Benoit Ayestaray1, Farid Bekara1. 1. Department of Plastic and Reconstructive Surgery, Sud Francilien Hospital, University Paris Sud XI, Evry, France.
Abstract
BACKGROUND: Nowadays, lymphaticovenular anastomosis has been recognized as an efficient microsurgical treatment for peripheral lymphedema. The technique based on two end-to-side anastomosis is named π-shaped lymphaticovenular anastomosis. This is the venous flow-sparing technique, in which the distal endothelial cells are not sacrificed. The purpose of this study is to evaluate the clinical results of π-shaped lymphaticovenular anastomosis in chronic lymphedema of the upper and lower limbs. PATIENTS AND METHODS: From November 2010 to August 2011, 20 patients with a peripheral lymphedema were treated by π-shaped lymphaticovenular anastomosis. A total of 12 patients had a lymphedema of the upper limb and 8 patients had a lymphedema of the lower limb. The mean age of the patients was 57.2 years (range, 44-78 years). The mean duration of lymphedema was 6.2 years (range, 1-23 years). The Campisi clinical stage range 2 to 5 (average, 3.3). Every patient was operated under local anesthesia. Four π-shaped lymphaticovenular anastomoses were performed per limb. RESULTS: The mean caliber of lymphatic vessels used for lymphaticovenular anastomosis was 0.55 mm (range, 0.3-0.8 mm). The mean caliber of subdermal venules was 1.2 mm (range, 0.5-2.1 mm).The average operative time to perform one π-shaped lymphaticovenular anastomosis was 55 minutes (range, 45-65 minutes). A venous backflow was found in 98 lymphaticovenular anastomosis (55.7%). Total 16 patients (80%) had a clinically significant circumferential reduction after surgery. The average volume differential reduction rate was 22.9% (range, 4.9-46.3) (p < 0.001). CONCLUSIONS: π-Shaped lymphaticovenular anastomosis is a supermicrosurgical method with a low morbidity to treat peripheral lymphedema. The procedure can easily be performed under local anesthesia, and the postoperative recovery is short. The results of this series demonstrate a clinical efficiency of the technique to reduce chronic lymphedema of the limbs.EBM level IV. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
BACKGROUND: Nowadays, lymphaticovenular anastomosis has been recognized as an efficient microsurgical treatment for peripheral lymphedema. The technique based on two end-to-side anastomosis is named π-shaped lymphaticovenular anastomosis. This is the venous flow-sparing technique, in which the distal endothelial cells are not sacrificed. The purpose of this study is to evaluate the clinical results of π-shaped lymphaticovenular anastomosis in chronic lymphedema of the upper and lower limbs. PATIENTS AND METHODS: From November 2010 to August 2011, 20 patients with a peripheral lymphedema were treated by π-shaped lymphaticovenular anastomosis. A total of 12 patients had a lymphedema of the upper limb and 8 patients had a lymphedema of the lower limb. The mean age of the patients was 57.2 years (range, 44-78 years). The mean duration of lymphedema was 6.2 years (range, 1-23 years). The Campisi clinical stage range 2 to 5 (average, 3.3). Every patient was operated under local anesthesia. Four π-shaped lymphaticovenular anastomoses were performed per limb. RESULTS: The mean caliber of lymphatic vessels used for lymphaticovenular anastomosis was 0.55 mm (range, 0.3-0.8 mm). The mean caliber of subdermal venules was 1.2 mm (range, 0.5-2.1 mm).The average operative time to perform one π-shaped lymphaticovenular anastomosis was 55 minutes (range, 45-65 minutes). A venous backflow was found in 98 lymphaticovenular anastomosis (55.7%). Total 16 patients (80%) had a clinically significant circumferential reduction after surgery. The average volume differential reduction rate was 22.9% (range, 4.9-46.3) (p < 0.001). CONCLUSIONS: π-Shaped lymphaticovenular anastomosis is a supermicrosurgical method with a low morbidity to treat peripheral lymphedema. The procedure can easily be performed under local anesthesia, and the postoperative recovery is short. The results of this series demonstrate a clinical efficiency of the technique to reduce chronic lymphedema of the limbs.EBM level IV. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
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