Injury Confirmation
Injury Confirmation - Related Videos
09:23
Confirmation of Myocardial Ischemia and Reperfusion Injury in Mice Using Surface Pad Electrocardiography
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Cited by 11 •
2016
During murine myocardial ischemia/reperfusion surgery, correct placement of the occluding ligature is typically confirmed by visible observation of myocardial pallor. Herein, a method of electrocardiographically confirming ischemia and reperfusion, to supplement observed myocardial pallor, is demonstrated in male C57Bl/6 mice.
01:31
Confirmation Biases
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2020
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias? Another...
01:34
Humane Euthanasia and Confirmation of Death in Rodents
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Humane endpoints in rodents are predefined clinical, behavioral, or physiological indicators that signal an animal is experiencing significant pain, distress, or declining health. When these signs are observed, timely...
07:28
Controlled Cervical Laceration Injury in Mice
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Cited by 17 •
2013
A novel technique to create a reproducible in vivo model of cervical spinal cord laceration injury in the mouse is described. This technique is based on spine stabilization by fixation of the cervical facets and laceration of the spinal cord using an oscillating blade with an accuracy of ±0.01 mm.
11:04
Lateral Fluid Percussion: Model of Traumatic Brain Injury in Mice
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Cited by 125 •
2011
Lateral fluid percussion (LFP), an established model of traumatic brain injury in mice, is demonstrated. LFP fulfills three major criteria for animal models: validity, reliability and clinical relevance. The procedure, consisting of surgical craniotomy, fixation of hub followed by induction of injury, resulting in focal and diffuse injuries, is described.
FAQs
Reliable confirmation compares multiple evidence types rather than relying on a single abnormal result. Neurological or behavioral deficits become more persuasive when they correspond with structural imaging, tissue findings, or molecular and physiological markers, and when appropriate controls show that the pattern is not experimental variation. This comparison helps separate persistent injury from reversible functional disturbance.
Controls provide the reference needed to determine whether observed deficits or biological changes exceed normal variation and experimental effects. By comparing affected subjects with appropriate controls, researchers can judge whether behavioral, anatomical, cellular, or physiological findings converge on injury. This strengthens interpretation and reduces the risk of attributing nonspecific changes to damage in the nervous system.
Different evidence streams address different dimensions of damage. Neurological or behavioral assessments indicate functional consequences, while imaging and tissue examination help identify anatomical involvement. Molecular or physiological markers add information about cellular or system-level changes. Considering these findings together allows researchers to characterize where injury occurs, how substantial it appears, and how it relates to observed deficits.
Molecular and physiological markers provide complementary evidence that may not be visible through structural methods alone. When these measurements align with imaging, tissue examination, and neurological or behavioral results, they help connect functional changes with underlying nervous-system alterations. Their value lies in strengthening the overall evidence for injury and improving interpretation of cellular and physiological consequences.
A confirmation workflow combines neurological or behavioral assessment with structural imaging, tissue examination, and molecular or physiological measurements. Researchers then compare the complete pattern with appropriate controls and evaluate whether functional findings correspond to anatomical or biological changes. This integrated process supports a more defensible conclusion than any isolated assessment and can link deficits to specific injury-related changes.
It is especially important when validating models of traumatic brain injury, spinal cord injury, stroke, or neurotoxic exposure. Confirmation establishes that the experimental condition produced the intended nervous-system changes and clarifies their functional consequences. It also provides a basis for evaluating neuroprotective treatments, because treatment effects can be interpreted against both observed deficits and evidence of underlying damage.
Recovery cannot be interpreted solely from improved behavior or neurological performance. Injury confirmation helps determine whether improvement corresponds to reduced or altered consequences of damage, while structural, tissue, molecular, or physiological findings provide additional context. Linking functional outcomes with these changes helps researchers distinguish meaningful recovery from variation and improves the reproducibility of recovery studies.