Hemodynamic effect of full flexion of the hips and knees in the supine position: a comparison with straight leg raising

摘要

BackgroundStraight raising of the legs in the supine position or Trendelenburg positioning has been used to treat hypotension or shock, but the advantages of these positions are not clear and under debate. We performed a crossover study to evaluate the circulatory effect of full flexion of the hips and knees in the supine position (exaggerated lithotomy), and compare it with straight leg raising.