Ischemia Minimization
Ischemia Minimization - Related Videos
12:51
Murine Model of Hindlimb Ischemia
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Cited by 201 •
2009
The surgical procedure for induction of unilateral hindlimb ischemia is demonstrated, with confirmation of ischemia by laser Doppler perfusion imaging.
05:53
Use of a Hanging-weight System for Liver Ischemia in Mice
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Cited by 4 •
2012
We established a novel murine model of a hanging weight system for portal triad occlusion. This technique may be useful for future investigations of ischemia in murine hepatic models.
08:40
Photothrombotic Ischemia: A Minimally Invasive and Reproducible Photochemical Cortical Lesion Model for Mouse Stroke Studies
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Cited by 226 •
2013
Photothrombosis is a quick, minimally-invasive technique for inducing small and well-delimited infarction in areas of interest in highly reproducible manner. It is particularly suitable for studying cellular and molecular responses underlying brain plasticity in transgenic mice.
07:07
Murine Model of Intestinal Ischemia-reperfusion Injury
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Cited by 52 •
2016
Here we describe the detailed procedure of intestinal ischemia-reperfusion in mice which results in reproducible injury without mortality to encourage the standardization of this technique across the field. This model of intestinal ischemia-reperfusion injury can be utilized to study the cellular and molecular mechanisms of injury and regeneration.
07:57
Methods for Acute and Subacute Murine Hindlimb Ischemia
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Cited by 31 •
2016
Surgical induction of hindlimb ischemia in the mouse is useful to examine angiogenesis, however this is compromised in certain inbred mouse strains that display marked ischemia-induced tissue necrosis. Methods are described to induce subacute limb ischemia using ameroid constrictors to circumvent this problem through the induction of gradual arterial occlusion.
FAQs
A central goal is to reduce the time and severity of oxygen deprivation before injury progresses. When oxygen delivery falls, cells shift from aerobic to anaerobic energy production, creating metabolic stress. Ischemia minimization addresses this stress by supporting perfusion, restoring circulation when possible, and limiting the period during which tissue must rely on less efficient energy production.
Perfusion determines how much blood and oxygen reach tissue, while duration determines how long cells remain exposed to inadequate delivery. Improving either factor can reduce injury, but prolonged or severe ischemia increases the threat to vulnerable tissue. Clinical strategies therefore combine efforts to preserve or restore circulation with timely management that limits continued oxygen deprivation.
Restoring blood flow is one component of ischemia minimization, but the broader approach also limits the severity and duration of oxygen deprivation and reduces associated metabolic stress. This distinction matters when circulation cannot be corrected immediately or completely. Protective planning can still focus on maintaining tissue viability while clinicians address the underlying disruption in perfusion.
The main influences identified in this framework are the adequacy of perfusion, the duration and severity of oxygen deprivation, and the tissue’s vulnerability. Monitoring can help identify changing conditions, while protective interventions and treatment protocols can respond to those changes. Together, these factors shape whether disrupted circulation results in limited injury or impaired organ function.
During surgery, clinicians apply ischemia minimization by planning around the risk of disrupted circulation, preserving or restoring perfusion, and limiting the duration and severity of oxygen deprivation. Monitoring approaches can help identify threatening changes, while protective interventions are selected to reduce metabolic stress. These measures aim to protect vulnerable tissues and support recovery after the procedure.
Acute vascular events can suddenly compromise blood flow and oxygen delivery, making timely management especially important. The relevant strategy is to address the circulation problem while limiting the period of tissue oxygen deprivation and its metabolic consequences. Monitoring, protective interventions, and treatment protocols help guide care when a rapid change in perfusion threatens organ function.
Organ preservation depends on protecting tissue during periods when normal circulation or oxygen delivery may be disrupted. Ischemia minimization provides a framework for maintaining or restoring perfusion, limiting deprivation, and reducing metabolic stress. These principles help researchers and clinicians develop preservation approaches intended to protect vulnerable organs and improve their recovery after the preservation period.
In critical care, monitoring approaches provide information about conditions that may threaten tissue perfusion and organ function. That information can support timely treatment decisions, including efforts to preserve or restore circulation and reduce metabolic stress. Used alongside protective interventions and treatment protocols, monitoring helps organize care around changing ischemic risk rather than relying only on later evidence of injury.