Hemodynamic and histologic changes following microarteriorrhaphy.
One method for objectively assessing microcirculatory hemodynamics is to determine flow velocity using an ultrasound flow probe. The velocity acceleration measured at the site of repair was previously thought to be caused by stenosis. This study failed to demonstrate anastomotic narrowing and, more important, failed to predict delayed vascular thrombosis. The persistent problem of delayed microvascular thrombosis following replantation and even free-tissue transfer emphasizes the importance of continuing the search for an objective, intraoperative method of detecting venous and arterial repairs that are likely to develop delayed thrombosis.
D000818:Animals; D001158:Arteries / Q000601:surgery*; D001783:Blood Flow Velocity; D006439:Hemodynamics; D008866:Microsurgery; D051381:Rats