Original Article

Surgery Today

, Volume 38, Issue 5, pp 404-412

First online:

Risk factors associated with surgical site infection in upper and lower gastrointestinal surgery

  • Akihiro WatanabeAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Shunji KohnoeAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Rinshun ShimabukuroAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Takeharu YamanakaAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Yasunori IsoAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Hideo BabaAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Hidefumi HigashiAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Hiroyuki OritaAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
  • , Yasunori EmiAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
    • , Ikuo TakahashiAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
    • , Daisuke KorenagaAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
    • , Yoshihiko MaeharaAffiliated withThe Surgical Site Infection Study Group, Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University

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Abstract

Purpose

To assess the risk factors of surgical site infection (SSI) in gastrointestinal surgery.

Methods

Surgical site infection surveillance was conducted in 27 hospitals.

Results

The incidence of SSI in the 941 patients studied was 15.5%. The factors associated with SSI were body mass index (BMI), comorbidity, emergency procedures, wound classification, blood loss, the suture material used for intra-abdominal ligation, the method of subcutaneous incision, the frequency of glove changes, and the absence of subcutaneous sutures. In lower alimentary tract procedures, additional factors influencing the incidence of SSI were sex, smoking status, operating time, the suture material used for abdominal wound closure and seromuscular sutures, and the combined resection procedures. According to a multiple logistic regression analysis, the independent risk factors for SSI were as follows: the type of operation, blood loss, wound classification, emergency procedures, the frequency of glove changes, the use of subcutaneous sutures, combined resection procedures, and the material used for seromuscular suturing.

Conclusion

Strict asepsis and minimal blood loss were associated with a lower incidence of SSI following gastrointestinal surgery. The use of absorbable suture material may be involved in reducing the risk of SSI.

Key words

SSI Gastrointestinal surgery Surveillance