Sural nerve island flap clinical application _3790

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Sural nerve island flap in the clinical application of

Cases may be related to distal edge of the tension is too large. This shows that the flap blood supply stable and reliable. Vascular pedicle in the flap should be left appropriate width and length of the triangle Petey, so that the whole flap a Some cases, 1.5cm wide pedicle skin to retain the bridge to transfer the pedicle skin on both sides of the bridge and the Ming skin suture, the skin bridge, then, becomes the top of the tunnel, so reduce the pressure on the pedicle, the pedicle to avoid neurovascular compression, especially in wounds of patients with poor blood supply, to ensure stress-free transfer of pedicle flap survived completely is the key. We believe that patients should pay attention to the small saphenous vein, sural nerve and its nutrient vessels into the inner flap; as a result of the small saphenous vein variation, can not be included within the flap, you can be cut ligation, after giving distal appropriate pressure bandage, is conducive to venous flap; as intraoperative findings medial sural cutaneous nerve and sural communicating branch of the lateral cutaneous nerve anastomosis low position, two were far apart should be dissected, when necessary, according to nerve to, the location of the flap to align the flap as far as possible include the medial sural cutaneous nerve and the lateral sural cutaneous nerve. In addition, we believe that part of the flap pedicle to the rotation axis from the point of the lateral malleolus on the 5cm, should not be exposed down the anatomy and perforating branches of peroneal artery to avoid damaging the blood supply of flap survival. Sural nerve island flap of the advantages: the sural nerve and its nutrient vessels Traveling constant and reliable blood supply, venous return fully, even if the subject area in patients with poor blood supply can be survived; flap is simple, without vascular anastomosis; hidden donor site, damage, does not destroy the function of lower limbs, most can be directly sutured wounds, surgical time-saving and convenient; flaps without sacrificing major arteries, and the flap texture, medium thickness; flap anterograde with the transfer of sensory function, retrograde flap transfer of the sural nerve and the recipient wound, such as nerve proximal anastomosis, the flap may have felt. In addition, we believe that the wide range of skin flap, repair small legs 1 / 3 to foot nearly 3 / 5 and dorsal skin defects. Its main drawback is the loss of nerve, postoperative lateral heel numbness are small, often take several months to recover. [
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