The “No-Reflow” Phenomenon after Temporary Coronary Occlusion in the Dog
Why the study?
Does the duration of temporary coronary occlusion affect the development of the 'no-reflow' phenomenon and microvascular damage in dogs?
Population
Dogs subjected to temporary occlusion of a major coronary artery
Comparison
90 minutes of temporary coronary artery… vs 40 minutes of temporary coronary artery…
Design
Preclinical
Follow-up
Up to 20 minutes of reflow
Authors
Discussion
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Member takes
Implication
Highlights ischemia duration effects on microvascular integrity in animals; leaves open clinical translation for no-reflow prevention.
Structured PICO
Does the duration of temporary coronary occlusion affect the development of the 'no-reflow' phenomenon and microvascular damage in dogs?
P
Population
Dogs subjected to temporary occlusion of a major coronary artery
I
Intervention
90 minutes of temporary coronary artery occlusion followed by reperfusion
C
Comparator
40 minutes of temporary coronary artery occlusion followed by reperfusion
O
Outcome
Distribution of coronary arterial flow and presence of the 'no-reflow' phenomenonsurrogate
Prolonged ischemia (90 minutes) causes severe capillary damage leading to the 'no-reflow' phenomenon upon reperfusion, whereas shorter ischemia (40 minutes) does not.
Cite This Study
Kloner et al. (1974) studied this question.