Lymphaticovenular bypass for lymphedema management in breast cancer patients: a prospective study.
BACKGROUND
Lymphedema is a common and debilitating condition. Management options for lymphedema are limited and controversial. The purpose of this prospective study was to provide a preliminary analysis of lymphaticovenular bypass for the treatment of upper limb lymphedema in breast cancer patients.


METHODS
Twenty patients with upper extremity lymphedema secondary to treatment of breast cancer underwent lymphaticovenular bypass using a "supermicrosurgical" approach. The mean age of the patients was 54 years, 16 patients had received preoperative radiation therapy, and all patients had received axillary lymph node dissection. The mean duration of lymphedema was 4.8 years, and the mean volume differential of the lymphedematous arm compared with the unaffected arm was 34 percent. Evaluation included qualitative assessment and quantitative volumetric analysis before surgery and at 1 month, 3 months, 6 months, and 1 year after the procedure.


RESULTS
The mean number of bypasses performed per patient was 3.5 (range, two to five), and the size of bypasses ranged from 0.3 to 0.8 mm. The mean operative time was 3.3 hours (range, 2 to 5 hours). Hospital stay was less than 24 hours for all patients. The mean follow-up time was 18 months. Nineteen patients (95 percent) reported symptom improvement following surgery, and 13 patients had quantitative improvement. The mean volume differential reduction was 29 percent at 1 month, 36 percent at 3 months, 39 percent at 6 months, and 35 percent at 1 year. No patients experienced postoperative complications or lymphedema exacerbation.


CONCLUSIONS
Lymphaticovenular bypass may effectively reduce the severity of lymphedema in breast cancer patients. Long-term analysis is needed.
Chang
David W
DW
Houston, Texas From the Department of Plastic Surgery, University of Texas M. D. Anderson Cancer Center.
D000714:Anastomosis, Surgical; D001943:Breast Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D042601:Lymphatic Vessels / Q000601:surgery*; D008209:Lymphedema / Q000209:etiology* / Q000601:surgery*; D008408:Mastectomy / Q000009:adverse effects*; D008875:Middle Aged; D011446:Prospective Studies
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