Vascularized omental tissue transfer for the treatment of lymphedema: a review

Abstract

Lymphedema is a debilitating disorder caused by impaired drainage of the lymphatic system. In the Western world, lymphedema most often arises secondary to the treatment of malignancy. Patients with lymphedema experience progressive swelling, pain, numbness, and tingling, and decreased quality of life. Those with persistent symptoms may be subject to chronic cellulitis. The advent of microsurgery has enabled clinicians to transplant donor lymph nodes and their blood supply from a healthy site to the affected area in a procedure known as vascularized lymph node transplant (VLNT). One donor region is the omentum. Vascularized omental lymph node transfer (VOLT) has been shown to decrease limb volume, circumference, and subjective symptoms of lymphedema. The immunologic properties of the omentum make it a particularly useful lymph node donor site for patients with lymphedema-related cellulitis. The omentum may be harvested laparoscopically, with robotic assistance, or through a small laparotomy incision. In this review, we describe the relevant anatomy and history of VOLT as well as operative techniques. The risks, benefits, and relevant outcome studies will be reviewed. Recent applications of robotic surgery to VOLT will be addressed.

Keywords

Lymphedema / VOLT / VLNT / laparoscopy / laparotomy / gastroepiploic vessels / cellulitis

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