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Length of stay and cost for surgical site infection after abdominal and cardiac surgery in Japanese hospitals: multi-center surveillance.

Research paper by Shinya S Kusachi, Nobuichi N Kashimura, Toshiro T Konishi, Junzo J Shimizu, Masato M Kusunoki, Masaaki M Oka, Toshiro T Wakatsuki, Junjiro J Kobayashi, Yoshiki Y Sawa, Hiroshi H Imoto, Noboru N Motomura, Haruo H Makuuchi, Kazuo K Tanemoto, Yoshinobu Y Sumiyama

Indexed on: 09 Aug '12Published on: 09 Aug '12Published in: Surgical infections



Abstract

This study evaluated the influence of surgical site infections (SSIs) after abdominal or cardiac surgery on the post-operative duration of hospitalization and cost.A retrospective 1:1 matched case-control study of length of stay and healthcare expenditures for patients who were discharged from nine hospitals, between April 1, 2006 and March 31, 2008, after undergoing abdominal or cardiac surgery and who did and did not have a SSI.Information was obtained from 246 pairs of patients who had undergone abdominal surgery and 27 pairs of patients who had undergone cardiac surgery. Overall, the mean post-operative hospitalization was 20.7 days longer and the mean post-operative healthcare expenditure was $8,791 higher in the SSI group than for the SSI-free group. Among the patients who had undergone abdominal surgery, development of SSI extended the average hospitalization by 17.6 days and increased the average healthcare expenditure by $6,624. Among the patients who had undergone cardiac surgery, SSI extended the post-operative hospitalization by an average of 48.9 days and increased the post-operative healthcare expenditure by an average of $28,534.Under the current healthcare system in Japan, the development of SSI after abdominal surgery necessitates extension of hospitalization two-fold and increases the post-operative healthcare expenditure 2.5-fold. Development of SSI after cardiac surgery necessitates extension of hospitalization fourfold and increases the healthcare expenditure six-fold.