Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan

Hiroaki Miyata, Masaki Mori, Norihiro Kokudo, Mitsukazu Gotoh, Hiroyuki Konno, Go Wakabayashi, Hisahiro Matsubara, Toshiaki Watanabe, Minoru Ono, Hideki Hashimoto, Hiroyuki Yamamoto, Hiraku Kumamaru, Shun Kohsaka, Tadashi Iwanaka

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Abstract

Objective To assess the use of laparoscopic surgeries (LS) and the association between its performance and hospitals’ preference for LS over open surgeries. Summary background data LS is increasingly used in many abdominal surgeries, albeit both with and without solid guideline recommendations. To date, the hospitals’ preference (LS vs. open surgeries) and its association with in-hospital outcomes has not been evaluated. Methods We enrolled patients undergoing 8 types of gastrointestinal surgeries in 2011–2013 in the Japanese National Clinical Database. We assessed the use of LS and the occurrences of surgery-related morbidity and mortality during the study period. Further, for 4 typical LS procedures, we assessed the hospitals’ preference for LS by modeling the propensity to perform LS (over open surgeries) from patient-level factors, and estimating each institution’s observed/expected (O/E) ratio for LS use. Institutions with O/E>2 were defined as LS-dominant. Using hierarchical logistic regression models, we assessed the association between LS preference and in-hospital outcomes. Results Among 1,377,118 patients undergoing gastrointestinal procedures in 2,336 participating hospitals, use of LS increased in all 8 procedures (35.1% to 44.7% for distal gastrectomy (DG), and 27.5% to 43.2% for right hemi colectomy (RHC)). Those operated at LS-dominant hospitals were at an increased risk of operative death (OR 1.83 [95%CI, 1.37–2.45] for DG, 1.79 [95%CI, 1.43–2.25] for RHC) compared to standard O/E level hospitals (0.5O/E<2.0). Conclusions LS use widely increased during 2011–2013 in Japan. Facilities with higher than expected LS use had higher mortality compared to other hospitals, suggesting a need for careful patient selection and dissemination of the procedure.

Original languageEnglish
Article numbere0193186
JournalPloS one
Volume13
Issue number3
DOIs
Publication statusPublished - Mar 2018

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laparoscopy
Laparoscopy
Surgery
Japan
Cohort Studies
Databases
surgery
Colectomy
Gastrectomy
Logistic Models
Mortality
Patient Selection

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan. / Miyata, Hiroaki; Mori, Masaki; Kokudo, Norihiro; Gotoh, Mitsukazu; Konno, Hiroyuki; Wakabayashi, Go; Matsubara, Hisahiro; Watanabe, Toshiaki; Ono, Minoru; Hashimoto, Hideki; Yamamoto, Hiroyuki; Kumamaru, Hiraku; Kohsaka, Shun; Iwanaka, Tadashi.

In: PloS one, Vol. 13, No. 3, e0193186, 03.2018.

Research output: Contribution to journalArticle

Miyata, H, Mori, M, Kokudo, N, Gotoh, M, Konno, H, Wakabayashi, G, Matsubara, H, Watanabe, T, Ono, M, Hashimoto, H, Yamamoto, H, Kumamaru, H, Kohsaka, S & Iwanaka, T 2018, 'Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan', PloS one, vol. 13, no. 3, e0193186. https://doi.org/10.1371/journal.pone.0193186
Miyata, Hiroaki ; Mori, Masaki ; Kokudo, Norihiro ; Gotoh, Mitsukazu ; Konno, Hiroyuki ; Wakabayashi, Go ; Matsubara, Hisahiro ; Watanabe, Toshiaki ; Ono, Minoru ; Hashimoto, Hideki ; Yamamoto, Hiroyuki ; Kumamaru, Hiraku ; Kohsaka, Shun ; Iwanaka, Tadashi. / Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan. In: PloS one. 2018 ; Vol. 13, No. 3.
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abstract = "Objective To assess the use of laparoscopic surgeries (LS) and the association between its performance and hospitals’ preference for LS over open surgeries. Summary background data LS is increasingly used in many abdominal surgeries, albeit both with and without solid guideline recommendations. To date, the hospitals’ preference (LS vs. open surgeries) and its association with in-hospital outcomes has not been evaluated. Methods We enrolled patients undergoing 8 types of gastrointestinal surgeries in 2011–2013 in the Japanese National Clinical Database. We assessed the use of LS and the occurrences of surgery-related morbidity and mortality during the study period. Further, for 4 typical LS procedures, we assessed the hospitals’ preference for LS by modeling the propensity to perform LS (over open surgeries) from patient-level factors, and estimating each institution’s observed/expected (O/E) ratio for LS use. Institutions with O/E>2 were defined as LS-dominant. Using hierarchical logistic regression models, we assessed the association between LS preference and in-hospital outcomes. Results Among 1,377,118 patients undergoing gastrointestinal procedures in 2,336 participating hospitals, use of LS increased in all 8 procedures (35.1{\%} to 44.7{\%} for distal gastrectomy (DG), and 27.5{\%} to 43.2{\%} for right hemi colectomy (RHC)). Those operated at LS-dominant hospitals were at an increased risk of operative death (OR 1.83 [95{\%}CI, 1.37–2.45] for DG, 1.79 [95{\%}CI, 1.43–2.25] for RHC) compared to standard O/E level hospitals (0.5O/E<2.0). Conclusions LS use widely increased during 2011–2013 in Japan. Facilities with higher than expected LS use had higher mortality compared to other hospitals, suggesting a need for careful patient selection and dissemination of the procedure.",
author = "Hiroaki Miyata and Masaki Mori and Norihiro Kokudo and Mitsukazu Gotoh and Hiroyuki Konno and Go Wakabayashi and Hisahiro Matsubara and Toshiaki Watanabe and Minoru Ono and Hideki Hashimoto and Hiroyuki Yamamoto and Hiraku Kumamaru and Shun Kohsaka and Tadashi Iwanaka",
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T1 - Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan

AU - Miyata, Hiroaki

AU - Mori, Masaki

AU - Kokudo, Norihiro

AU - Gotoh, Mitsukazu

AU - Konno, Hiroyuki

AU - Wakabayashi, Go

AU - Matsubara, Hisahiro

AU - Watanabe, Toshiaki

AU - Ono, Minoru

AU - Hashimoto, Hideki

AU - Yamamoto, Hiroyuki

AU - Kumamaru, Hiraku

AU - Kohsaka, Shun

AU - Iwanaka, Tadashi

PY - 2018/3

Y1 - 2018/3

N2 - Objective To assess the use of laparoscopic surgeries (LS) and the association between its performance and hospitals’ preference for LS over open surgeries. Summary background data LS is increasingly used in many abdominal surgeries, albeit both with and without solid guideline recommendations. To date, the hospitals’ preference (LS vs. open surgeries) and its association with in-hospital outcomes has not been evaluated. Methods We enrolled patients undergoing 8 types of gastrointestinal surgeries in 2011–2013 in the Japanese National Clinical Database. We assessed the use of LS and the occurrences of surgery-related morbidity and mortality during the study period. Further, for 4 typical LS procedures, we assessed the hospitals’ preference for LS by modeling the propensity to perform LS (over open surgeries) from patient-level factors, and estimating each institution’s observed/expected (O/E) ratio for LS use. Institutions with O/E>2 were defined as LS-dominant. Using hierarchical logistic regression models, we assessed the association between LS preference and in-hospital outcomes. Results Among 1,377,118 patients undergoing gastrointestinal procedures in 2,336 participating hospitals, use of LS increased in all 8 procedures (35.1% to 44.7% for distal gastrectomy (DG), and 27.5% to 43.2% for right hemi colectomy (RHC)). Those operated at LS-dominant hospitals were at an increased risk of operative death (OR 1.83 [95%CI, 1.37–2.45] for DG, 1.79 [95%CI, 1.43–2.25] for RHC) compared to standard O/E level hospitals (0.5O/E<2.0). Conclusions LS use widely increased during 2011–2013 in Japan. Facilities with higher than expected LS use had higher mortality compared to other hospitals, suggesting a need for careful patient selection and dissemination of the procedure.

AB - Objective To assess the use of laparoscopic surgeries (LS) and the association between its performance and hospitals’ preference for LS over open surgeries. Summary background data LS is increasingly used in many abdominal surgeries, albeit both with and without solid guideline recommendations. To date, the hospitals’ preference (LS vs. open surgeries) and its association with in-hospital outcomes has not been evaluated. Methods We enrolled patients undergoing 8 types of gastrointestinal surgeries in 2011–2013 in the Japanese National Clinical Database. We assessed the use of LS and the occurrences of surgery-related morbidity and mortality during the study period. Further, for 4 typical LS procedures, we assessed the hospitals’ preference for LS by modeling the propensity to perform LS (over open surgeries) from patient-level factors, and estimating each institution’s observed/expected (O/E) ratio for LS use. Institutions with O/E>2 were defined as LS-dominant. Using hierarchical logistic regression models, we assessed the association between LS preference and in-hospital outcomes. Results Among 1,377,118 patients undergoing gastrointestinal procedures in 2,336 participating hospitals, use of LS increased in all 8 procedures (35.1% to 44.7% for distal gastrectomy (DG), and 27.5% to 43.2% for right hemi colectomy (RHC)). Those operated at LS-dominant hospitals were at an increased risk of operative death (OR 1.83 [95%CI, 1.37–2.45] for DG, 1.79 [95%CI, 1.43–2.25] for RHC) compared to standard O/E level hospitals (0.5O/E<2.0). Conclusions LS use widely increased during 2011–2013 in Japan. Facilities with higher than expected LS use had higher mortality compared to other hospitals, suggesting a need for careful patient selection and dissemination of the procedure.

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