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Obesity Surgery

, Volume 19, Issue 9, pp 1274–1277 | Cite as

Risk of Gastrojejunal Anastomotic Stricture with Multifilament and Monofilament Sutures after Hand-Sewn Laparoscopic Gastric Bypass: A Prospective Cohort Study

  • Juan Carlos Ruiz de Adana
  • Alberto Hernández Matías
  • Miguel Hernández Bartolomé
  • Israel Manzanedo Romero
  • Raquel Leon Ledesma
  • Ainhoa Valle Rubio
  • Julio López Herrero
  • Manuel Limones Esteban
Research Clinical

Abstract

Background

Gastrojejunal (GJ) stricture is one of the most common late complications after laparoscopic Roux-en-Y gastric bypass (LRYGBP) with a hand-sewn anastomosis. The object of this study was to assess the risk of stricture for two types of resorbable suture (multifilament and monofilament) in a series of LRYGBPs performed by the same surgeon.

Methods

Design: Prospective cohort study. The study population consisted of a series of consecutive morbidly obese patients who underwent primary hand-sewn LRYGBP between March 2004 and May 2008 at the University Hospital in Getafe, Madrid, Spain. The study comprised 242 LRYGBPs with a four-layer continuous hand-sewn anastomosis using absorbable 3/0 gauge suture. The suture material was Ethicon Vicryl® multifilament in the first 105 cases and Ethicon Monocryl® monofilament in the following 137 cases. All patients were followed up monthly for the first 6 months and then every 6 months after that.

Results

The mean BMI was 46 ± 4 for the multifilament cohort and 48 ± 6 for the monofilament cohort with no significant difference between the two (p = 0.567). There were no anastomotic leaks, and no cases of marginal ulcer, abscess, abdominal sepsis, deep vein thrombosis, or pulmonary embolism were recorded. No cases required conversion to open surgery, and perioperative mortality was zero. In all, 11 cases of stricture (4.4%) were recorded, 10 in the multifilament suture cohort (9.5%), and only one in the monofilament suture cohort (0.7%; p = 0.001). The odds ratio was 14.3 (95% CI = 1.8–113.4). The mean outpatient follow-up period was 30 months (range = 6–42).

Conclusions

Anastomotic GJ stricture is a common and well-known complication of laparoscopic gastric bypass for morbid obesity. Hand sewing with monofilament suture significantly lowered the frequency of this complication, and hence, monofilament should be the suture material of choice for this suturing technique.

Keywords

Bariatric surgery Laparoscopic Roux-en-Y gastric bypass Hand-sewn anastomosis Gastrojejunostomy strictures Monofilament suture 

Abbreviations

LRYGBP

Laparoscopic Roux-en-Y gastric bypass

GJ

Gastrojejunostomy

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Copyright information

© Springer Science + Business Media, LLC 2009

Authors and Affiliations

  • Juan Carlos Ruiz de Adana
    • 1
    • 2
  • Alberto Hernández Matías
    • 1
  • Miguel Hernández Bartolomé
    • 1
  • Israel Manzanedo Romero
    • 1
  • Raquel Leon Ledesma
    • 1
  • Ainhoa Valle Rubio
    • 1
  • Julio López Herrero
    • 1
  • Manuel Limones Esteban
    • 1
  1. 1.Cirugía General y DigestivoHospital Universitario de GetafeMadridSpain
  2. 2.Unidad de Obesidad MórbidaHospital Universitario de GetafeMadridSpain

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