Der erfahrene Chirurg als unabhängiger Risikofaktor für die Morbidität nach Cholezystektomie. Eine multivariate Analyse von 710 Patienten

Zusammenfassung

Einleitung Bei komplexeren chirurgischen Eingriffen wie der Kolonresektion, herzchirurgischen Eingriffen, arteriellen Rekonstruktionen oder Leberresektionen ist der Einfluss des Chirurgen auf die postoperative Morbidität nachgewiesen. Bei Routineeingriffen wie der Cholezystektomie liegen bislang keine Erkenntnisse zum Zusammenhang von Operateur und Morbidität vor. Insbesondere Untersuchungen bei erfahrenen Chirurgen fehlen.

Methoden Es wurden 710 konsekutive Patienten, die zwischen Januar 2014 und Dezember 2018 von erfahrenen Chirurgen (über n = 300 Cholezystektomien vor Beginn der Untersuchung, über 5 Jahre nach bestandener Facharztprüfung) cholezystektomiert wurden, untersucht. In einer univariaten Analyse wurde der Einfluss von Patientenmerkmalen, Laborparametern, chirurgischen Parametern und des Operateurs auf die postoperative Morbidität analysiert. Die Variablen mit statistischer Signifikanzen wurden dann einer multivariaten logistischen Regressionsanalyse unterzogen.

Ergebnisse Die Mortalität lag bei 5 von 710 (0,7%), die Morbidität bei 58 von 710 (8,2%). 37 von 710 Patienten erlitten eine chirurgische Komplikation, 21 von 710 Patienten eine nicht chirurgische Komplikation. Hinsichtlich der Gesamtmorbidität waren in multivariater Analyse der Kreatininwert (OR 1,29; KI 1,01–1,648; p = 0,042), GOT (OR 1,0405; KI 1–1,01; p = 0,03), offene und Konversions-Cholezystektomie (OR 4,134; KI 1,587–10,768; p = 0,004) und der individuelle Chirurg (OR bis 40,675; p = 0,001) ein unabhängiger Risikofaktor. Bei Analyse der chirurgischen Komplikationen blieben offene und Konversions-Cholezystektomie (OR 8,104; KI 3,03–21,68; p < 0,001) sowie der individuelle Chirurg (OR bis 79,69; p = 0,005) ein statistisch signifikanter unabhängiger Risikofaktor.

Schlussfolgerung Der individuelle Chirurg ist auch bei einem Routineeingriff wie der Cholezystektomie ein unabhängiger Risikofaktor für die Morbidität. Dies gilt auch für erfahrene Chirurgen mit Facharztstatus und hoher Caseload. Im Hinblick auf die Patientensicherheit und Verbesserungen der Ergebnisqualität muss daher diskutiert werden, ob eine routinemäßige risikoadjustierte Messung der individuellen Ergebnisse eines jeden Chirurgen als Basis eines gezielten Qualifizierungprogramms sinnvoll ist.

Abstract

Background In sophisticated surgical procedures, e. g. colectomy, cardiac surgery, arterial reconstruction and liver resection, the individual surgeon is a major influence on postoperative morbidity. For the everyday procedure of cholecystectomy, clear data on the morbidity related to the individual surgeon are lacking.

Aims To assess the individual impact on the outcome of cholecystectomy in a cohort of experienced surgeons.

Methods The analysis covered n = 710 consecutive patients who had received cholecystecomy between January 2014 and December 2018 – performed by experienced surgeons (> n = 300 cholecystectomies before entry in the study and > 5 years after specialty registration). In a univariate analysis, the influence of patient characteristics, laboratory findings and surgical data on postoperative morbidity were investigated. Variables with statistical significance were entered into a multivariate logistic regression.

Results Mortality was 5/710 (0.7%), and morbidity was 58/710 (8.2%), including 37/710 patients with surgical morbidity and 21/710 patients with non-surgical morbidity. In a multivariable analysis the independent risk factors for overall morbidity were creatinine level (OR 1.29, CI 1.01–1.648, p = 0.042), GOT (OR 1.005, CI 1–1.01, p = 0.03), open/conversion surgery (OR 4.134, CI 1.587–10.768, p = 0.004) and the individual surgeon (OR up to 40.675, p = 0.001). In the analysis of surgical complications, open/conversion surgery (OR 8.104, CI 3.03–21.68, p < 0.001) and the individual surgeon (OR up to 79.69, p = 0.005) remained of significant influence.

Conclusions The individual surgeon is of major influence on the outcome after an everyday procedure such as cholecystectomy in a group of experienced surgeons with specialty registration. The individual outcome of each surgeon should be measured as a basis of targeted improvement programs.

Schlüsselwörter

Abdominalchirurgie - Morbidität - Patientensicherheit - Qualitätskontrolle - Cholezystektomie - erfahrener Chirurg

Keywords

abdominal surgery - morbidity - patient safety - quality of treatment - cholecstectomy - experienced surgeon

Publication History

Received: 15 September 2021

Accepted after revision: 25 November 2021

Article published online:
02 March 2022

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