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Ann Surg. 2014 Jan;259(1):89-95. doi: 10.1097/SLA.0b013e31827b7818.

Wound complications in 1145 consecutive transumbilical single-incision laparoscopic procedures.

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1
*Department of Surgery, Saint John of God Hospital Salzburg, Salzburg, Austria †Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck, Innsbruck, Austria; and ‡Department of Mathematics, University of Innsbruck, Innsbruck, Austria.

Abstract

OBJECTIVE:

To evaluate the wound complication rate in patients undergoing transumbilical single-incision laparoscopic (SIL) surgery.

BACKGROUND:

SIL surgery claims to be less invasive than conventional laparoscopy. Small SIL series have raised concerns toward a higher wound complication rate related to the transumbilical incision.

METHODS:

In a 44-month period, 1145 consecutive SIL procedures were included. The outcomes were assessed according to the intention-to-treat analysis principle. All procedures were followed for a minimum of 6 months postoperatively, and wound complications were recorded as bleeding, infection (superficial/deep), or hernia. Patients were classified as having a wound complication or not. For all comparisons, significance level was set at P<0.05.

RESULTS:

Pure transumbilical SIL surgery was completed in 92.84%, and additional trocars were used in 7.16%. After a median follow-up of 22.1 (range, 7.67-41.11) months, 29 wound complications (2.53%) had occurred [bleeding 0%/infection 1.05% (superficial 0.9%/deep 0.17%)/early-onset hernia 0.09%/late-onset hernia 1.40%, respectively]. Factors associated with complications were higher patient body mass index (28.16±4.73 vs 26.40±4.68 kg/m; P=0.029), longer skin incisions (3.77±1.62 vs 2.96±1.06 cm; P=0.012), and multiport SIL versus single-port SIL (8.47% vs 2.38%; P=0.019) in complicated versus uncomplicated procedures. Furthermore, a learning curve effect was noted after 500 procedures (P=0.015).

CONCLUSIONS:

With transumbilical SIL surgery, the incidence of wound complications is acceptable low and is further reduced once the learning curve has been passed.

PMID:
23426333
DOI:
10.1097/SLA.0b013e31827b7818
[Indexed for MEDLINE]
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