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DOI 10.1016/j.surg.2026.110537

Медицинская библиотека · Surgery · 2026

Relationship between methicillin-resistant Staphylococcus aureus nasal carriage and surgical site infection after hepatectomy.

Matsushita Katsunori, Shimizu Junzo, Nakashima Shinsuke, Ozato Yuki, Noma Toshiki, Hagihara Kiyotaka, Shinno Naoki, Suzuki Yozo, Kawase Tomono, Imamura Hiroshi

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Аннотация

BACKGROUND

Nasal carriage of methicillin-resistant Staphylococcus aureus is associated with an increased risk of postoperative surgical site infection. However, there are no definitive recommendations regarding preoperative methicillin-resistant Staphylococcus aureus screening or decolonization protocols in patients undergoing hepatectomy. This study investigated the relationship between nasal methicillin-resistant Staphylococcus aureus carriage and postoperative methicillin-resistant Staphylococcus aureus-related surgical site infections following hepatectomy.

METHODS

This retrospective cohort study included 603 consecutive patients who underwent hepatectomy between January 2011 and December 2025, classified into methicillin-resistant Staphylococcus aureus-positive and -negative groups based on nasal polymerase chain reaction results. Between-group incidence of surgical site infections and postoperative methicillin-resistant Staphylococcus aureus infections was compared.

RESULTS

Methicillin-resistant Staphylococcus aureus nasal carriage was identified in 33 patients (5.5%). The incidence of surgical site infections was 30.3% and 13.0% in the methicillin-resistant Staphylococcus aureus-positive and -negative groups (P = .016). Among surgical site infection cases, the frequency of methicillin-resistant Staphylococcus aureus infection was significantly higher in the methicillin-resistant Staphylococcus aureus-positive group (70.0%) than in the methicillin-resistant Staphylococcus aureus-negative group (2.7%) (P < .001).

CONCLUSION

Nasal methicillin-resistant Staphylococcus aureus colonization was associated with an increased risk of postoperative surgical site infection-overall and methicillin-resistant Staphylococcus aureus related-following hepatectomy. Targeted preoperative screening may help reduce the incidence of methicillin-resistant Staphylococcus aureus surgical site infections in this patient population.

Для цитирования: Matsushita Katsunori, Shimizu Junzo, Nakashima Shinsuke, Ozato Yuki, Noma Toshiki, Hagihara Kiyotaka, Shinno Naoki, Suzuki Yozo, Kawase Tomono, Imamura Hiroshi. Relationship between methicillin-resistant Staphylococcus aureus nasal carriage and surgical site infection after hepatectomy.. Surgery. 2026. DOI: 10.1016/j.surg.2026.110537.
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