• J A Petrek, M M Peters, C Cirrincione, and H T Thaler.
• Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021.
• Surg Gynecol Obstet. 1992 Nov 1; 175 (5): 405-9.

AbstractIncreasing duration and amount of postoperative fluid formation after axillary lymphadenectomy delays final healing. We postulated that multiple drains (instead of a single drain) might decrease postoperative fluid accumulation by their greater proximity to points of leakage. We randomized 65 women with clinical stage I or II carcinoma of the breast to single or multiple drains. They were stratified for axillary dissection or modified radical mastectomy. For axillary dissection, randomization to multiple drains meant placement of four catheters in the axilla, and randomized to the single drain, one catheter in the axilla. For modified radical mastectomy, the patients randomized to multiple drains received four catheters in the axilla and one catheter under the inferior flap; the patients randomized to single drains had one catheter in the axilla and one catheter under the inferior flap. All catheters exited separately. The two arms (single versus multiple drains) were determined to be homogeneous in other variables that may affect postoperative fluid formation--age, size of the breast, weight, height, obesity, presence of previous surgical biopsy, excision of pectoralis minor muscle, excision of thoracodorsal complex, level of axillary dissection, number of lymph nodes, number and proportion of positive lymph nodes and whether or not the dominant hand was on the side operated upon. Single versus multiple drains had no clinically significant effect on the amount or duration of drainage, as an inpatient or outpatient, or total. We recommend a single drain to the axilla after lymphadenectomy.

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