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Burst abdomen and incisional hernia after major gastrointestinal operations--comparison of three closure techniques
H Gislason1, J E Grønbech, O Søreide
1Department of Surgery, University of Bergen, Haukeland Hospital, Norway.
Objective:
To compare the incidence of burst abdomen and incisional hernia after three different techniques of closure of the abdominal wall after major gastrointestinal operations.
Design:
Prospective, randomised, controlled trial.
Setting:
University hospital, Norway.
Subjects:
599 adults who underwent major operations for gastrointestinal conditions between December 1990 and February 1992.
Interventions:
Patients were randomised in three groups for abdominal wall closure by continuous mass polyglyconate (Maxon) double suture with loop, continuous mass polyglactin 910 (Vicryl), and interrupted polyglactin 910 (Vicryl) (layered for transverse and mass for midline incisions).
Main Outcome Measures:
Burst abdomen during the postoperative period, and incisional hernia after one year follow up.
Results:
The incidence of wound dehiscence was 2% and of incisional hernia at one year 7%. There were no differences in the rate of dehiscence among the groups, but there were significantly more hernias in the polyglyconate group (19/164, 12%) compared with the two in which polyglactin 910 was used (16/327, 5%). Wound infections developed in 84/583 of our patients (14%) and the incidence was closely associated with emergency operations and contamination. Wound complications were not associated with the closure technique.
Conclusions:
Wound infection is the most important single factor in the development of burst abdomen and incisional hernia. The continuous closure technique is quicker, cheaper, and as safe as the interrupted technique.