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In JoVE (1)
Other Publications (5)
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Articles by Matti Hämäläinen in JoVE
Functionele Mapping met gelijktijdige MEG en EEG
Hesheng Liu, Naoaki Tanaka, Steven Stufflebeam, Seppo Ahlfors, Matti Hämäläinen
Athinoula A. Martinos Center for Biomedical Imaging, MGH - Massachusetts General Hospital
We maken gebruik van magneto (MEG) en elektro-encefalogram (EEG) tot hersengebieden die betrokken zijn bij het verwerken van eenvoudige zintuiglijke prikkels kaart.
Other articles by Matti Hämäläinen on PubMed
Electromyography and Clinical Neurophysiology. Sep-Oct, 1983 | Pubmed ID: 6641610
Use of Hospital Services by Breast Cancer Patients by Stage of the Disease: Implications on the Costs of Cancer Control
Breast Cancer Research and Treatment. 1996 | Pubmed ID: 8825135
The use of resources for breast cancer during the first five years after diagnosis by different stages of disease was evaluated on the basis of all breast cancer patients (555) diagnosed in the Tampere University hospital district (Finland). All outpatient visits or inpatient-days of these patients in any hospital of the district were recorded and the average costs of hospital-day and of outpatient visit were applied to quantify the total use of resources. During the first five years of follow-up 535 breast cancer patients had 8206 follow-up visits and spent 18472 days in hospital. The stage II-IV patients had more than twice as many outpatient visits and inpatient-days as the stage I patients. The number of hospital-days/patient-year was 2.4-fold for stage II patients and 4.1-fold for stage III-IV patients as compared to stage I patients. The overall use of resources/patient for those with nonlocalized disease was twice as high as the use for stage I patients, while the use of resources/person-year was 2.3-fold for stage II patients and 3.6-fold for stage III-IV as compared to stage I patients. Our study in an unselected patient population during the first five years of follow-up shows that breast cancer patients diagnosed in the early stage (stage I) require far fewer health care resources than if diagnosed in advanced stages. The results can be directly transformed into costs of breast cancer control by stage of breast cancer.
Consistency of Patient- and Doctor-assessed Cosmetic Outcome After Conservative Treatment of Breast Cancer
Breast Cancer Research and Treatment. Sep, 1997 | Pubmed ID: 9386866
The cosmetic results of the breast (144 patients) were analysed after segmental resection and axillary dissection with or without postoperative radiotherapy for early low-risk breast cancers. Cosmetic results were assessed over time (3, 9, 18, 36, 48 months respectively) by the patient and by the physician. Patients rated the overall cosmetic result good or excellent in 92% of cases after 3 months. The proportion of good or excellent cosmetic results decreased over time and after four years 89% of patients classified themselves in this category, whereas the physician assessed the outcome as good or excellent in 91% of cases after 3 months and 75% after 4 years. The inter-observer consistency between physician and patient in assessing the cosmetic outcome was kappa = 0.42 at the beginning and decreased over time (kappa = 0.07 after 4 years). The intra-observer variation over time was kappa = 0.53 for the patient and kappa = 0.32 for the physician. Inter-observer consistency between patient and physician was moderate immediately following treatment but decreased over time. The feeling of satisfaction of the patient was relatively stable whereas the opinion of the physician became somewhat more critical over time. Therefore the intra-observer consistency over time was somewhat better for the patient than for the physician.