Key result
Meticulous suture anastomosis does not adversely affect mean arterial blood flow in canine free flaps.
Why the study?
What are the normal hemodynamic parameters in a canine inferior epigastric free flap model following revascularization?
What are the normal hemodynamic parameters in a canine inferior epigastric free flap model following revascularization?
This study establishes baseline hemodynamic parameters for a canine free flap model, demonstrating that meticulous suture anastomosis does not adversely affect mean blood flow.
Establishes baseline canine flap hemodynamics; leaves open translation to human microsurgery.
A canine inferior epigastric free flap was studied to determine the normal hemodynamic parameters in a free flap operation. Following revascularization, mean arterial blood flow in the vessels supplying the flap was 4.1 to 4.8 ml/min/100 gm of tissue. Meticulous suture anastomosis did not adversely affect mean flow. Furthermore, resistance in the flap did not change throughout the procedure. Further studies, using this and other models, are underway to examine the hemodynamics of failing flaps. The current study provides the baseline data necessary for this continuing work, which may provide an insight into preventive or therapeutic measures directed at improving free flap survival.
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McKee et al. (1982) studied Free flap operation. Revascularization was evaluated on Mean arterial blood flow. Following revascularization in a canine free flap model, mean arterial blood flow was 4.1 to 4.8 ml/min/100 gm of tissue, and meticulous suture anastomosis did not adversely affect mean flow.
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