Key result
Low-dose acetylsalicylic acid (4 mg/kg) administered 10 hours preoperatively shortened bleeding times at arteriotomy sites and lowered platelet accumulations in patent vessels compared to controls.
Why the study?
Does the timing of low-dose acetylsalicylic acid administration influence in vivo platelet function and thrombus formation following arteriotomy and intimectomy in rabbits?
Population
Rabbits undergoing arteriotomy and intimectomy in the central arteries of the ears
Comparison
Low-dose acetylsalicylic acid 4 mg/kg b.w… vs Untreated control group
Design
Preclinical
Authors
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Timing of low-dose ASA may modulate platelet function in rabbit arteriotomy; hypothesis-generating for human microsurgical timing.
Does the timing of low-dose acetylsalicylic acid administration influence in vivo platelet function and thrombus formation following arteriotomy and intimectomy in rabbits?
In a rabbit model, administering low-dose ASA 10 hours prior to arteriotomy/intimectomy reduces platelet accumulation without significantly increasing occlusions, whereas peroperative administration increases occlusions.
Salemark et al. (1990) studied Thrombus formation following arteriotomy and intimectomy. Low-dose acetylsalicylic acid (ASA) vs. Untreated control group was evaluated on Bleeding times, in vivo accumulations of isotope-labeled platelets, amounts of red thrombotic material, and patency. Low-dose acetylsalicylic acid (4 mg/kg) administered 10 hours preoperatively shortened bleeding times at arteriotomy sites and lowered platelet accumulations in patent vessels compared to controls.
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