Why the study?
Does aortic clamping alter arterial waves and hydraulic work in patients with aortic-iliac disease undergoing peripheral vascular surgery?
Population
10 patients with aortic-iliac disease undergoing peripheral vascular surgery, mean age 70+/-5 years.
Comparison
Aortic clamping during surgery vs Before aortic clamping and after unclamping
Design
Cohort
Follow-up
intra-operative
Authors
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Aortic clamping may raise LV workload via altered waves in vascular surgery patients; leaves open contribution to perioperative ischemia.
Does aortic clamping alter arterial waves and hydraulic work in patients with aortic-iliac disease undergoing peripheral vascular surgery?
Aortic clamping during peripheral vascular surgery increases wave speed and early arrival of reflected waves, leading to increased left ventricular hydraulic work and potential myocardial ischemia.
Khir et al. (2001) studied this question.
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