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

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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.

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Abbreviations

LRYGBP:

Laparoscopic Roux-en-Y gastric bypass

GJ:

Gastrojejunostomy

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Authors and Affiliations

  1. Cirugía General y Digestivo, Hospital Universitario de Getafe, Crta Toledo Km 12.5, 28905-Getafe, Madrid, Spain

    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

  2. Unidad de Obesidad Mórbida, Hospital Universitario de Getafe, Crta Toledo Km 12.5, 28905-Getafe, Madrid, Spain

    Juan Carlos Ruiz de Adana

Authors
  1. Juan Carlos Ruiz de Adana
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  2. Alberto Hernández Matías
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  3. Miguel Hernández Bartolomé
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  4. Israel Manzanedo Romero
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  5. Raquel Leon Ledesma
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  6. Ainhoa Valle Rubio
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  7. Julio López Herrero
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  8. Manuel Limones Esteban
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Correspondence to Juan Carlos Ruiz de Adana.

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The authors declare that the submitted work is their own and that copyright has not been breached in seeking publication. This is an original work whose content has not been submitted to or published in any other journal and has not been presented at any meeting or congress.

The authors declare that they have no conflict of interest or financial involvement with any company or institution, patent rights, consultancy, research funding or speaker’s fees.

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Ruiz de Adana, J.C., Hernández Matías, A., Hernández Bartolomé, M. et al. Risk of Gastrojejunal Anastomotic Stricture with Multifilament and Monofilament Sutures after Hand-Sewn Laparoscopic Gastric Bypass: A Prospective Cohort Study. OBES SURG 19, 1274–1277 (2009). https://doi.org/10.1007/s11695-009-9897-4

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  • DOI: https://doi.org/10.1007/s11695-009-9897-4

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