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Find video protocols related to scientific articles indexed in Pubmed.
Robotic-assisted laparoscopic management of a caliceal diverticular calculus.
BMJ Case Rep
PUBLISHED: 08-21-2014
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To report the first case of robotic-assisted laparoscopic management of a symptomatic caliceal diverticular calculus and review the literature on laparoscopic treatment for this condition.
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Prevalence of impacted teeth in a Brazilian subpopulation.
J Contemp Dent Pract
PUBLISHED: 08-07-2014
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The objective of this study was to estimate the prevalence of impacted teeth in a subpopulation of Brazilian patients based on the retrospective analysis of panoramic radiographs obtained at an oral radiology clinic. Out of 1,977 panoramic radiographs, 1,352 fulfilled inclusion criteria, and 22,984 teeth were assessed. Data were statistically analyzed using Kolmogorov-Smirnov's and Levene's tests; significance was set at 5%. The number of impacted teeth was assessed using analysis of variance and Tukey's post-hoc test. Our results showed significant differences for tooth type and patient age when analyzed separately (p < 0.05); gender did not show significant results (p > 0.05). Correlations between age and gender showed significant differences (p < 0.05), as did the correlations between age, gender and tooth type (p < 0.05). Mandibular molars were the teeth most frequently affected (p < 0.05), followed by maxillary molars (p < 0.05). Other tooth types did not present significant differences among themselves (p > 0.05). Patients aged 22 years or younger were the most frequent ones (p < 0.05). No significant differences were observed between age groups 37 and 51 years and 52+ (p > 0.05). According to the methodology here employed, gender did not affect tooth impaction, whereas age (22-36 years) and tooth type (mandibular third molars) strongly influenced results.
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Comparative analysis of physicochemical properties of root perforation sealer materials.
Restor Dent Endod
PUBLISHED: 06-30-2014
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This study evaluated the solubility, dimensional alteration, pH, electrical conductivity, and radiopacity of root perforation sealer materials.
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Current management issues of immediate postoperative care in pediatric kidney transplantation.
Clinics (Sao Paulo)
PUBLISHED: 05-27-2014
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The number of pediatric kidney transplants has been increasing in many centers worldwide, as the procedure provides long-lasting and favorable outcomes; however, few papers have addressed the immediate postoperative care of this unique population. Herein, we describe the management of these patients in the early postoperative phase. After the surgical procedure, children should ideally be managed in a pediatric intensive care unit, and special attention should be given to fluid balance, electrolyte disturbances and blood pressure control. Antibiotic and antiviral prophylaxes are usually performed and are based on the recipient and donor characteristics. Thrombotic prophylaxis is recommended for children at high risk for thrombosis, although consensus on the optimum therapy is lacking. Image exams are essential for good graft control, and Doppler ultrasound must be routinely performed on the first operative day and promptly repeated if there is any suspicion of kidney dysfunction. Abdominal drains can be helpful for surveillance in patients with increased risk of surgical complications, such as urinary fistula or bleeding, but are not routinely required. The immunosuppressive regimen starts before or at the time of kidney transplantation and is usually based on induction with monoclonal or polyclonal antibodies, depending on the immunological risk, and maintenance with a calcineurin inhibitor (tacrolimus or ciclosporin), an anti-proliferative agent (mycophenolate or azathioprine) and steroids.
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Adalimumab for maintenance therapy for one year in Crohn's disease: results of a Latin American single-center observational study.
Arq Gastroenterol
PUBLISHED: 04-25-2014
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Adalimumab is a fully-human antibody that inhibits TNF alpha, with a significant efficacy for long-term maintenance of remission. Studies with this agent in Latin American Crohn's disease patients are scarce.
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Predicting urinary stone composition based on single-energy noncontrast computed tomography: the challenge of cystine.
Urology
PUBLISHED: 04-13-2014
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To study several measurements from a single-energy noncontrast computed tomography (NCCT) that may distinguish calcium oxalate, uric acid, and cystine stones.
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Customized polymethyl methacrylate implants for the reconstruction of craniofacial osseous defects.
Case Rep Surg
PUBLISHED: 04-01-2014
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Craniofacial defects represent alterations in the anatomy and morphology of the cranial vault and the facial bones that potentially affect an individual's psychological and social well-being. Although a variety of techniques and restorative procedures have been described for the reconstruction of the affected area, polymethyl methacrylate (PMMA), a biocompatible and nondegradable acrylic resin-based implant, is the most widely used alloplastic material for such craniomaxillofacial reconstruction. The aim of this study was to describe a technique for aesthetic and functional preoperative customized reconstruction of craniofacial bone defects from a small series of patients offered by the Brazilian public health system. Three adult male patients attended consultation with chief complaints directly related to their individual craniofacial bone defects. With the aid of multislice computed tomography scans and subsequent fabrication of the three-dimensional craniofacial prototype, custom-made PMMA implants were fabricated preoperatively. Under general anesthesia, with access to the craniofacial defects with a coronal approach, the PMMA implants were adapted and fixated to the facial skeleton with titanium plates and screws. Postoperative evaluation demonstrated uneventful recovery and an excellent aesthetic result. Customized prefabricated PMMA implants manufactured over the rapid prototyping models proved to be effective and feasible.
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Nocturia is the Lower Urinary Tract Symptom With Greatest Impact on Quality of Life of Men From a Community Setting.
Int Neurourol J
PUBLISHED: 03-13-2014
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Lower urinary tract symptoms are numerous, but the specific impact of each of these symptoms on the quality of life (QoL) has not been evaluated in community-dwelling men. An assessment of these symptoms and their effects on QoL was the focus of this study.
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Using cone beam computed tomography images to diagnose multiple taurodontisms.
Gen Dent
PUBLISHED: 03-07-2014
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Taurodontism is a developmental anomaly that manifests as an alteration in a patient's internal morphology and is characterized by the lack of constriction at the level of the cementoenamel junction, which results in an apical extension of the pulp chamber that extends into the root area of a multiradicular tooth. This report presents a case of an otherwise healthy patient with 12 hypertaurodontic teeth, which were detected by using cone beam computed tomography (CBCT). It is essential to emphasize the importance of routine imaging examinations for diagnosing developmental dental anomalies such as taurodontism, as this condition is generally not found by routine oral examination, and is not necessarily restricted to syndromic patients. CBCT images contribute to the diagnosis of and treatment plan for taurodontism.
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Tecidual reaction of calcium hydroxide front chronic stress histological study in rats.
J Int Oral Health
PUBLISHED: 01-12-2014
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The Calcium Hydroxide has been widely used as an intracanal dressing and in combination with restorative and endodontic materials and its main goal is the tissue reparation. However, when the patient has chronic stress, the immunological response and tissue repair decreases in both the epithelial and connective tissue. Therefore, the aim was to analyze the effect of chronic stress on the tissue response in rats exposed to calcium hydroxide (CH).
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Growth hormone insensitivity syndrome: unusual oral manifestations.
J Dent Child (Chic)
PUBLISHED: 12-20-2013
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Children with significant growth retardation and normal levels of growth hormone are diagnosed with growth hormone insensitivity. The main oral findings observed in patients with growth hormone insensitivity syndrome (GHIS) are underdeveloped jaws, crowded teeth and delayed eruption of permanent teeth. This manuscript describes a 9-year-old child diagnosed with GHIS, who had delayed eruption of permanent teeth and 14 unerupted supernumerary teeth. All supernumerary teeth were extracted except for two maxillary and one mandibular teeth which were difficult to identify and access. Multiple supernumerary teeth have never been reported before in patients with GHIS.
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Can Obese Stone Formers Follow Dietary Recommendations?
J. Endourol.
PUBLISHED: 11-04-2013
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Abstract Introduction: Obese patients have an increased risk of kidney stones, and several studies have identified specific urinary derangements on 24-hour collections. The objective of this study was to assess obese and super-obese stone formers, and their compliance with dietary modifications over time, based on 24-hour urine outcomes. Patients and Methods: A retrospective review was performed searching for all stone formers who completed a 24-hour urine collection before and after dietary counseling for stone prevention. Patients were excluded if placed on medical therapy in addition to dietary therapy. Patients were divided in three main groups according to their body mass index (BMI): 30, 30-40, and >40?kg/m(2). Demographic data and 24-hour urine stone risk parameters (volume, sodium, uric acid, citrate, and oxalate) were assessed. Initial 24-hour urine results were compared to follow-up results after dietary counseling. Then, the outcomes from each group were compared to each other. Results: Two hundred and fourteen stone formers (67% male) were identified with a mean age of 49.5±15.0 years. One hundred twenty-eight (59.8%) patients had BMI <30?kg/m(2), 61 (28.5%) between 30-40?kg/m(2), and 25 (11.7%) >40?kg/m(2). Among patients with BMI <30?kg/m(2), there were significant improvements in all urinary parameters (p<0.001) as well as in the group with BMI between 30 to 40?kg/m(2) (p=0.02 for oxalate, p<0.001 for other parameters). Among super-obese patients, there were significant improvements in the urinary volume (p=0.03), sodium (p<0.001), uric acid (p=0.001), and oxalate (p<0.001). There were no significant differences in the improvements observed in the urinary volume (p=0.69), sodium (p=0.08), uric acid (p=0.17), and citrate levels (p=0.97) between the groups. Conclusion: Dietary recommendations can be an equally effective strategy in decreasing the risk or stone recurrence in obese and super-obese kidney stone formers as it is in those who are not obese.
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Dyslipidemia and Kidney Stone Risk.
J. Urol.
PUBLISHED: 09-11-2013
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We studied the impact of dyslipidemia on 24-hour urinalysis and stone composition.
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Laparoscopic ureterocalicostomy for complicated upper urinary tract obstruction: mid-term follow-up.
Int Urol Nephrol
PUBLISHED: 08-19-2013
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To report on the largest series of laparoscopic ureterocalicostomies done for complicated upper urinary obstruction.
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Surgical management of bladder stones: literature review.
Rev Col Bras Cir
PUBLISHED: 08-06-2013
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Bladder stones are rare and most cases occur in adult men with bladder outlet obstruction. Currently, there are few data on the best treatment of this disease. The aim of this review is to discuss some aspects of pathogenesis and treatment approaches for bladder lithiasis. A comprehensive search of the database of the "National Library of Medicine" /pubmed was conducted with the following key words and descriptors: "bladder" or "vesical" associated with "calculus", "stone" or "lithiasis", and "cistolithotripsy ". One hundred and seventy-one articles were identified. The articles were independently assessed by two reviewers with expertise in urolithiasis. They were included in the study when the results, complications and follow-up were clearly reported. In the end, 32 studies met the inclusion criteria. Several options for the treatment of bladder lithiasis are available, but no randomized trials comparing them. Different rates of calculus-free patients are described in each of them, as follows: extracorporeal shock wave lithotripsy (75-100%), transurethral cistolithotripsy (63-100%), percutaneous cistolithotripsy (89-100%) and open surgery (100 %). The percutaneous approach has lower morbidity, with similar results to the transurethral treatment, while extracorporeal lithotripsy has the lowest rate of elimination of calculi and is reserved for patients at high surgical risk.
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A study on the properties and reactivity of naphthoquinone-cobalt(III) prototypes for bioreductive prodrugs.
J. Inorg. Biochem.
PUBLISHED: 07-04-2013
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Our group has recently initiated a study on the development of new prototypes for bioreductive prodrugs, based on Co(III) complexes with the ligand 2,2-bis(3-hydroxy-1,4-naphthoquinone), H2bhnq. The focus of this work is to investigate the dissociation of bhnq(-2) from the complex upon reduction, and the effects of pH, redox potential, oxygen concentration and nature of the auxiliary ligands on this reaction. The bhnq(2-) ligand is a "non-cytotoxic" agent that was chosen as a probe for the reactivity studies due to its suitable chromophoric properties, at the same time that it resembles more cytotoxic naphthoquinones relevant for cancer therapy. In this way, two Co(III) complexes [Co(bhnq)(L1)]BF4·H2O (1) and [Co(bhnq)(L2)]BF4·H2O (2) (L1=N,N-bis(pyridin-2-ylmethyl)ethylenediamine and L2=N,N-dimethyl-N,N-bis(pyridin-2-ylmethyl)ethylenediamine) were synthesized and fully characterized. The gallium analogs [Ga(bhnq)(L1)]NO3·3H2O (3) and [Ga(bhnq)(L2)]NO3·3H2O (4) were also prepared for helping with the assignments of the redox properties of the cobalt complexes and the structure of 2. Cyclic voltammetry analysis revealed a pH-independent quasi-reversible Co(III)/Co(II) process at -0.22 and -0.08V vs NHE for 1 and 2, respectively. An O2-dependent dissociation of bhnq(2-) was observed for the reaction of 1 with ascorbic acid. For 2, the dissociation of bhnq(2-) was found to be independent on the concentration of O2 and faster than in 1, with little influence of the pH on both complexes. The difference in reactivity between 1 and 2 and their redox properties, among other factors, suggests that 1 undergoes redox cycling, pointed out as a key feature for a prodrug to achieve hypoxic selectivity.
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The effect of the molecular structures of dicyanomethylene compounds on their supramolecular assembly, photophysical and electrochemical properties.
Phys Chem Chem Phys
PUBLISHED: 07-03-2013
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Two series of flexible dicyanomethylene compounds, specifically, class 1 and class 2 compounds, have been designed and synthesised. In class 1 compounds, the dicyanomethylene groups are separated by glycol chain spacers of different lengths, whereas, in class 2 compounds, the spacers are alkyl linkers of different lengths. The notion underlying the design of these compounds is that in class 1 molecules, the spacers contain donor oxygen atoms that could not only form hydrogen bonds during the course of crystal packing but also promote withdrawing effects that modify the photophysical and electrochemical properties of these molecules in solution; in contrast, these effects would be absent for class 2 molecules. However, this study revealed that, with respect to crystal packing, the size of the spacers and their even and odd numbers of atoms are more important than their chemical nature. All of the synthesised compounds exhibited blue emission in the solid state and in CH2Cl2 solutions. The photophysical and electrochemical properties of these compounds in solution were not significantly affected by the type and length of the spacer that was used in each molecule. In the solid state, however, the compound with the shortest spacer showed the highest Stokes shift. The electronic transitions for the synthesized compounds in solution were explained by density functional theory and time-dependent density functional theory calculations, which indicated that the methylene moieties control the properties of both classes of compounds and that the spacers do not conjugate with the end groups. These two series of flexible dicyanomethylene compounds could be utilised as molecular building blocks for the development of new solids with novel properties.
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Hydrophilic guidewires: evaluation and comparison of their properties and safety.
Urology
PUBLISHED: 06-11-2013
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To compare physical and mechanical properties of 10 commercially available hydrophilic guidewires.
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When and Why Parents Seek Dental Care for Children under 36 Months.
J Int Oral Health
PUBLISHED: 06-07-2013
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Background: The aim was to analyze an infant preventive program determining at what age parents take their children for their first dental visit and the reasons why they do it. Materials & Methods: A total of 844 children aged from 0 to 36 months, enrolled in the program of oral health maintenance of the Baby Clinic, participated in this study. During the first dental visit, the parents were inquired about the reasons that led them to enroll their children in the program. One trained investigator identified this reasons on the records and classified them according to the following scores: orientation/prevention, caries treatment, malpositioned teeth, dental trauma, tooth color alterations and others. Results: Orientation/prevention was the most prevalent reason from 0-6 months to 25-30 months of age, and at the age 30-36 months, the reason caries/treatment overcame orientation/prevention, becoming the most prevalent reason in that age group. The third place was occupied by dental trauma. The mean age parents seek for dental care to their children was 14, 92 months. Conclusion: This study showed a preferentially preventive/educational profile for the children. However, lots of parents still take children to the dentist preferentially for curative instead of preventive treatment. How to cite this article: Volpato LE, Palti DG, Lima JE, Machado MA, Aranha AM, Bandeca MC, Pedro FL, Borges AH. When and Why Parents Seek Dental Care for Children under 36 Months. J Int Oral Health 2013; 5(4):21-25.
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Hydroureteronephrosis secondary to juxta-uretrovesical junction bladder diverticula.
Urology
PUBLISHED: 05-10-2013
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Bladder diverticulum is rarely associated to hydroureteronephrosis. We present clinical images of an adult patient with a bladder diverticulum near the ureterovesical junction (UVJ) with secondary obstruction. An 84-year-old man presented with left hydroureteronephrosis and a presumed 25-mm left ureteral stone at UVJ on computed tomography. Cystoscopy revealed a stone located in a bladder diverticulum just cephalad and medial to left ureteral orifice; the patient successfully underwent endoscopic laser cystolithotripsy with resolution of his hydronephrosis. Juxta-UVJ bladder diverticula may cause obstruction of the ipsilateral upper urinary tract.
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Urolithiasis in horseshoe kidney with duplex collecting system.
Urology
PUBLISHED: 04-25-2013
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Horseshoe kidney is a congenital renal fusion abnormality that can be complicated by stones; in rare cases, it has also been associated with a duplex collecting system. We present images of a horseshoe kidney with a right partial duplex collecting system that was not detected on the preoperative computed tomography scan. The use of a prone-split leg position for percutaneous nephrolithotomy facilitated the performance of flexible ureterorenoscopy of the lower pole moiety and percutaneous nephrolithotomy of the upper pole moiety in 1 setting with complete stone clearance.
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Degree of conversion of polymer-matrix composite assessed by FTIR analysis.
J Contemp Dent Pract
PUBLISHED: 04-13-2013
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The behavior of polymer-matrix composite is dependent on the degree of conversion. The aim of this study was to evaluate the degree of conversion of two resin cements following storage at 37°C immediately, 24 and 48 hours, and 7 days after light-curing by FTIR analysis.
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Lipid Profile Parameters under influence of Periodontitis Associated with Chronic Stress: An Animal Model Study.
J Int Oral Health
PUBLISHED: 04-02-2013
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Background: The present study compared the effect of two chronic stress models associated with periodontitis induced in rats on partial lipid profile parameters. Materials & Methods: Forty-eight rats were divided into 4 groups: physical stress+periodontitis, variable stress+periodontitis, periodontitis and control. Physical stress and variable stress occurred over 60 days. After the first ten days of the stress test, periodontitis was induced by ligature. After 60 days of experimentation, the animals underwent incision and visualization of the posterior vena cava, and blood punctures were performed under a vacuum. Impartial and trained examiners performed the analysis of the parameters: low-density lipoprotein, high density lipoprotein, triglycerides and cholesterol. Results: The lipid parameters and cholesterol were significantly lower in the variable stress group than in the ligature and control groups. The physical stress group was not statistically different from the other groups. The triglyceride level was highest for the control group and statistically different from the levels in groups variable stress and physical stress. The physical stress group had the lowest triglyceride level, which was statistically different from that of the control group. There was no statistical difference between physical stress and variable stress with respect to low-density lipoprotein; a similar finding was obtained for ligature and control. The variable stress group had the lowest low-density lipoprotein level, which was statistically different from those of the ligature and control groups. High density lipoprotein levels showed no statistical differences between groups. Conclusion: Despite the limitations of the methodology, it seems that the stress model variable associated with periodontitis improved lipid parameters in the study. How to cite this article:Porto AN, Borges AH, Segundo AS, Semenoff TA, Pedro FL, Bandeca MC, Cortelli SC. Lipid profile parameters under influence of periodontitis associated with chronic stress: an animal model study. J Int Oral Health 2013; 5(4):8-14.
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Penile enlargement with methacrylate injection: is it safe?
Sao Paulo Med J
PUBLISHED: 03-30-2013
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CONTEXT Penis size is a great concern for men in many cultures. Despite the great variety of methods for penile augmentation, none has gained unanimous acceptance among experts in the field. However, in this era of minimally invasive procedure, injection therapy for penile augmentation has become more popular. Here we report a case of methacrylate injection in the penis that evolved with penile deformity and sexual dysfunction. This work also reviews the investigation and management of this pathological condition. CASE REPORT A 36-year-old male sought medical care with a complaint of penile deformity and sexual dysfunction after methacrylate injection. The treatment administered was surgical removal. Satisfactory cosmetic and functional results were reached after two months. CONCLUSIONS There is a need for better structured scientific research to evaluate the outcomes and complication rates from all penile augmentation procedures.
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Endovascular repair of a nearly fatal iliac artery injury after endoureterotomy.
Scand J Urol
PUBLISHED: 02-05-2013
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Endourological methods are attractive procedures for the treatment of ureterointestinal stenosis. However, serious complications may occur. This article reports the case of an endovascular repair of a nearly fatal ruptured common iliac artery pseudoaneurysm after endoureterotomy. A 62-year-old man submitted to bilateral ureteroileostomy developed left ureteroileal anastomosis stricture. Endourological treatment with the Acucise® cutting balloon was performed and 4 days after the procedure the patient presented with massive bleeding through the ileal stoma and hypovolemic shock. Arteriography identified the source of bleeding as a pseudoaneurysm of the left common iliac artery. Repair with an endovascular graft stopped the bleeding immediately. Endovascular treatment of vascular injury after endoureterotomy should be considered.
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Infrared Thermometer: an accurate tool for temperature measurement during renal surgery.
Int Braz J Urol
PUBLISHED: 01-22-2013
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To evaluate infrared thermometer (IRT) accuracy compared to standard digital thermometer in measuring kidney temperature during arterial clamping with and without renal cooling.
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Radiopacity evaluation of Portland and MTA-based cements by digital radiographic system.
J Appl Oral Sci
PUBLISHED: 06-01-2011
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The aim of the present study was to evaluate the radiopacity of Portland and MTA-based cements using the Digora TM digital radiographic system.
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PSA levels in men with spinal cord injury and under intermittent catheterization.
Neurourol. Urodyn.
PUBLISHED: 03-07-2011
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To evaluate serum PSA levels of patients with spinal cord injury (SCI) submitted or not to CIC in comparison to those of the general population.
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Are panoramic radiographs reliable to diagnose mild alveolar bone resorption?
ISRN Dent
PUBLISHED: 01-23-2011
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It is extremely important to assess variations between the most used radiographs in dental practice, since minimum distortion on obtained images may change diagnosis, treatment plan, and prognosis for the patient. For this, the distance between the enamel-cementum junction and the alveolar bone crest was measured on conventional and digitized periapical, bitewing, and panoramic radiographs and compared among them. From a total of 1484 records, 39 sets of radiographs that fulfilled the inclusion criteria of the study sample were selected. The measurements were grouped according to the intensity of bone loss. Statistically significant difference was found in the averages of the measurements assessed in radiographs with absence of bone loss between conventional panoramic and periapical radiographs, between digitized panoramic and periapical radiographs and between digitized bitewing and panoramic radiographs. By analyzing the results of this work and considering the research protocol used, one can conclude that small losses in height of alveolar bone crest observed in panoramic radiographs should be cautiously evaluated, as they may be overestimated.
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The influence of chronic stress imposed on pregnant rats on the induced bone loss in their adult offspring.
Arch. Oral Biol.
PUBLISHED: 01-17-2011
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Stress during pregnancy may alter offspring susceptibility to diseases during adulthood. In the present study, female Lewis rats were subjected to chronic stress during the gestational period, and the effect of this stress was evaluated histometrically on the progression of ligature-induced bone loss in their adult offspring.
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Conventional Treatment of Maxillary Incisor Type III Dens Invaginatus with Periapical Lesion: A Case Report.
ISRN Dent
PUBLISHED: 09-01-2010
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Dens invaginatus is a developmental dental anomaly clinically characterized by a palatine furrow that can be limited to the coronal pulp or may extend to the radicular apex. The purpose of this paper was to present a clinical case of type III dens invaginatus, identified on the maxillary right central incisor in anterior periapical radiographs, in which the tooth was submitted to conventional endodontic treatment. The results obtained after five years of clinical and radiographic followup demonstrated that conventional endodontic treatment is a clinically viable alternative in cases of type III dens invaginatus.
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[Rocky Mountain spotted fever in Brazil].
Rev. Panam. Salud Publica
PUBLISHED: 08-20-2010
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Although the number of confirmed cases of spotted fever has been declining in Brazil since 2005, the mortality rate (20% to 30%) is still high in comparison to other countries. This high mortality rate is closely related to the difficulty in making the diagnosis and starting the correct treatment. Only two groups of antibiotics have proven clinical effectiveness against spotted fever: chloramphenicol and tetracyclines. Until recently, the use of tetracyclines was restricted to adults because of the associated bone and tooth changes in children. Recently, however, the American Academy of Pediatrics and various researchers have recommended the use of doxycycline in children. In more severe cases, chloramphenicol injections are often preferred in Brazil because of the lack of experience with injectable tetracycline. Since early diagnosis and the adequate drug treatment are key to a good prognosis, health care professionals must be better prepared to recognize and treat spotted fever.
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Methodological model of chronic stress associated with ligature-induced periodontitis in rats: a radiographic study.
Braz Oral Res
PUBLISHED: 08-02-2010
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This study evaluated the time efficiency of stress associated with ligature-induced periodontitis in rats. Sixty adult Wistar rats, housed in temperature-controlled rooms and receiving water and food ad libitum, were randomly separated into stress (n = 30) or control groups (n = 30). All animals were anesthetized, and nylon ligatures were placed at the gingival margin level of the maxillary right second molars. After the induction of periodontitis, rats in the stress group were subjected to physical restraint for 12 hours daily. The animals were euthanized after 7, 15 and 30 days by anesthetic overdose (10 animals per group per period). The right hemimaxillae were stored in formalin solution for 48 hours. Parallel radiographic images of the hemimaxillae were taken and processed following standard procedures. Radiographic examination was performed by a blinded and previously calibrated investigator. Bone height level was measured, and data were submitted to analysis of variance and post hoc Bonferroni tests (p < 0.05). Rats in the stress group had greater bone loss than those in the control group at 7 and 15 days post-induction (p < 0.05). After 30 days, there was no statistically significant difference between the groups (p > 0.05). Restraint stress modulates the short-term progression of periodontal disease in rats. Therefore, the 12-hour daily physical restraint stress model in rats applied for up to 15 days is suitable for the investigation of the combined effect of ligation and restraint stress on periodontal degradation.
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Urological complication following aortoiliac graft: case report and review of the literature.
Sao Paulo Med J
PUBLISHED: 04-09-2010
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Ureteral stenosis and ureterohydronephrosis may be serious complications of aortoiliac or aortofemoral reconstructive surgery.
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The influence of methylene blue on the healing of intestinal anastomoses subjected to ischemia and reperfusion in rats.
Acta Cir Bras
PUBLISHED: 02-04-2010
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To investigate the influence of methylene blue, on the healing of intestinal anastomoses subjected to ischemia and reperfusion in rats.
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Subcostal mini incision: a good option for donor nephrectomy.
Clinics (Sao Paulo)
PUBLISHED: 01-22-2010
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We describe the results of over one hundred nephrectomies performed using a subcostal mini incision.
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Ureteral fibroepithelial polyps in a pregnant woman: case report.
Sao Paulo Med J
PUBLISHED: 09-16-2009
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Ureteral fibroepithelial polyps are rare benign nonepithelial tumors, and less than 200 cases have been reported in the literature. We report on a pregnant patient with ureteral fibroepithelial polyps that were successfully treated with laparotomy.
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Incidence of histological prostatitis and its correlation with PSA density.
Clinics (Sao Paulo)
PUBLISHED: 07-20-2009
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The aim of this study was to determine the incidence of asymptomatic, histologically proven prostatitis in men with symptoms of benign prostate hyperplasia and to observe the correlation between asymptomatic prostatitis and prostate specific antigen (PSA) density.
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Laparoscopic testicular preservation in adults with intra-abdominal cryptorchidism: is it beneficial?
Adv Urol
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Purpose. To present the results in a midterm followup of laparoscopic testicular preservation in adults with intra-abdominal cryptorchidism. Methods. We analyzed 14 adult patients with cryptorchidism (19 testes) submitted to transabdominal laparoscopic evaluation and treatment of the condition. Data was collected retrospectively from a prospective database from August 2005 to May 2010. It analyzed patient age, affected side, procedure, mean operative time, mean hospital stay, postoperative testis position, intra- and postoperative complications, presence of malignancy in the removed testis, and midterm outcomes: size of the testis, development of tumors, and fertility. Results. Mean patient age was 29 (18-54) years. Thirteen (68.4%) testes were preserved. There were no intra- or postoperative complications. After a mean followup of 48.7 (20-64) months, all patients submitted to orchiopexy had the organs correctly positioned, although 2 testes were significantly smaller than before the procedure. No patient presented any signs of malignancy during the followup. Fertility was not preserved in bilateral cases. Conclusion. Laparoscopic testicular evaluation and eventual preservation are feasible and safe. In a midterm followup, testicular tumor is not a concern, and unfortunately, fertility may not be preserved in bilateral cases.
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Effects of forced alcohol intake associated with chronic stress on the severity of periodontitis: an animal model study.
Int J Dent
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This study histometrically evaluated the effect of forced alcohol intake by stressed animals on the severity of ligature-induced periodontitis in rats. Thirty-two rats were randomly divided in four groups: group GAL-alcohol and ligature; group GASL-alcohol, chronic physical stress, and ligature; GNC-negative control; GPC-positive control. GAL and GASL received 20% ethanol ad libitum, and GNC received water ad libitum for 60 days. After 24 hours of exposition to alcohol intake-by GAL and GASL-immobilization was applied as a chronic stressor in the GASL group for a two-month period, six times a week, in random hours. The means of the respective groups were statistically compared (Analysis of Variance and Tukey tests, P < 0.05). The most severe periodontal breakdown was observed in nonstressed animals which drank alcohol (GAL), followed by stressed animals exposed to alcohol (GASL). GASL did not differ from the positive control group (GPC). The negative control group showed the lowest values of periodontal breakdown (P < 0.05). Conclusions. Non-stressed alcohol consumer animals showed the most severe pattern of periodontal breakdown. Although stressed animals which were forced to drink alcohol showed poorer periodontal status than the negative controls, their results were similar to those of positive controls.
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Lessons from 90 consecutive laparoscopic dismembered pyeloplasties in a residency program.
Scand J Urol
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The aim of this study was to report on the safety and efficacy of 90 consecutive laparoscopic pyeloplasties carried out in a university hospital.
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Can we predict which patients will evolve to chronic kidney disease after nephrectomy for cortical renal tumors?
Int Braz J Urol
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While some studies show that patients submitted to radical nephrectomy have a higher risk of developing chronic kidney disease (CKD), some studies report that carefully selected living kidney donors do not present a higher risk for CKD. Here, we aim to study predictive factors of CKD after radical nephrectomy.
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Development and initial validation of a scoring system to diagnose testicular torsion in children.
J. Urol.
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Testicular torsion is a surgical emergency requiring prompt intervention. Although clinical diagnosis is recommended, scrotal ultrasound is frequently ordered, delaying treatment. We created a scoring system to diagnose testicular torsion, decreasing the indication for ultrasound.
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Current outcome of prioritized patients for kidney transplantation.
Int Braz J Urol
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To analyze the outcome of deceased donor recipients given priority in allocation due to lack of access for dialysis and compare this data to the one obtained from non-prioritized deceased donor kidney transplant recipients.
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Oral desmoplastic melanoma mimicking inflammatory hyperplasia.
Gerodontology
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Desmoplastic melanoma (DM) arising in the oral cavity is a rare neoplasm that may be confused with a variety of non-melanocytic benign or malignant lesions.
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Caliceal-cutaneous fistula after kidney transplantation.
Urology
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Urinary fistula is a one of the most common complications after kidney transplantation. Conservative treatment with stent and Foley catheter drainage may be tried, however in some cases more invasive approach is needed. Caliceal fistula is a rare condition and the diagnosis may be missed. Here we present an interesting case of caliceal-cutaneous fistula diagnosed by computed tomography after living kidney transplantation. After failure of conservative management, the patient was successfully treated with partial nephrectomy.
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Histologic inflammatory changes on the prostatic gland due to immunosuppression for kidney transplantation.
Urology
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To determine the incidence of type IV prostatitis in patients with kidney transplantation receiving an immunosuppression regimen and to compare it with that of a nonimmunosuppressed control group.
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Evaluating the Automated Thermedx Fluid Management System in a Ureteroscopy Model.
J. Endourol.
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Introduction: The Thermedx Fluid Management System (TFMS) is an automated pressurized irrigation system that allows concurrent temperature control. Developed for use in multiple surgical specialties, it provides settings specific to several endoscopic urologic procedures. The objective of this study was to critically appraise the functional characteristics and precision of the device, regarding irrigation warming, pressurization and flow during semi-rigid ureteroscopy. Methods: Using an in vitro model the TFMS was assessed using the proprietary urology tubing with and without a short semi-rigid URS (7.4Fr/35cm Wolf 425612, Germany). Pressures and temperatures were measured using continuous digital sensors (Meriam m1550-gi0015, and Taylor Digital Thermometer 9842). Stepwise increases in settings were measured with and without the ureteroscope (from 100 to 200mmHg), and with and without the included pressure release valve (preset for 150mmHg). Continuous measures (60/min) were recorded, and compared to values recorded by the internal unit sensors. Results: At room temp (18.10c), starting irrigation temp was 19.50C, increasing to 35.50C after 7.2 min at maximum settings (400C). Irrigation returned to baseline temp after 6.7 min with the heater disabled. Irrigation temperature was not affected by changes in pressure settings, and flow rates. The units display readings were 4-60C higher than measured at the tip of of the ureteroscope. Flow rates detected at the tip of the URS were 2-8% less then the unit reported. Pressures were between 8-17% higher using URS than that reported by the unit, and highest values were encountered when the physical safety pop-off valve was removed from the tubing. Conclusions: The TFMS provides a pressurized/warmed irrigation strategy for many endoscopic procedures. It is important to note that the system underestimates pressures at the tip of the endoscope, while overestimating flow rates and temperatures delivered from the scope when utilizing the device.
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What is Visualize?

JoVE Visualize is a tool created to match the last 5 years of PubMed publications to methods in JoVE's video library.

How does it work?

We use abstracts found on PubMed and match them to JoVE videos to create a list of 10 to 30 related methods videos.

Video X seems to be unrelated to Abstract Y...

In developing our video relationships, we compare around 5 million PubMed articles to our library of over 4,500 methods videos. In some cases the language used in the PubMed abstracts makes matching that content to a JoVE video difficult. In other cases, there happens not to be any content in our video library that is relevant to the topic of a given abstract. In these cases, our algorithms are trying their best to display videos with relevant content, which can sometimes result in matched videos with only a slight relation.