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Open Access 01-12-2021 | Cholecystitis | Research article

Evaluation of the conversion rate as it relates to preoperative risk factors and surgeon experience: a retrospective study of 4013 patients undergoing elective laparoscopic cholecystectomy

Authors: Szabolcs Ábrahám, Tibor Németh, Ria Benkő, Mária Matuz, Dániel Váczi, Illés Tóth, Aurél Ottlakán, László Andrási, János Tajti., Viktor Kovács, József Pieler, László Libor, Attila Paszt, Zsolt Simonka, György Lázár

Published in: BMC Surgery | Issue 1/2021

Abstract

Background

Our aim is to determine the relationships among patient demographics, patient history, surgical experience, and conversion rate (CR) during elective laparoscopic cholecystectomies (LCs).

Methods

We analyzed data from patients who underwent LC surgery between 2005 and 2014 based on patient charts and electronic documentation. CR (%) was evaluated in 4013 patients who underwent elective LC surgery. The relationships between certain predictive factors (patient demographics, endoscopic retrograde cholangiopancreatography (ERCP), acute cholecystitis (AC), abdominal surgery in the patient history, as well as surgical experience) and CR were examined by univariate analysis and logistic regression.

Results

In our sample (N = 4013), the CR was 4.2%. The CR was twice as frequent among males than among females (6.8 vs. 3.2%, p < 0.001), and the chance of conversion increased from 3.4 to 5.9% in patients older than 65 years. The detected CR was 8.8% in a group of patients who underwent previous ERCP (8.8 vs. 3.5%, p < 0.001). From the ERCP indications, most often, conversion was performed because of severe biliary tract obstruction (CR: 9.3%). LC had to be converted to open surgery after upper and lower abdominal surgeries in 18.8 and 4.8% cases, respectively. Both AC and ERCP in the patient history raised the CR (12.3%, p < 0.001 and 8.8%, p < 0.001). More surgical experience and high surgery volume were not associated with a lower CR prevalence.

Conclusions

Patient demographics (male gender and age > 65 years), previous ERCP, and upper abdominal surgery or history of AC affected the likelihood of conversion. More surgical experience and high surgery volume were not associated with a lower CR prevalence.

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Title: Evaluation of the conversion rate as it relates to preoperative risk factors and surgeon experience: a retrospective study of 4013 patients undergoing elective laparoscopic cholecystectomy
Authors: Szabolcs Ábrahám
Tibor Németh
Ria Benkő
Mária Matuz
Dániel Váczi
Illés Tóth
Aurél Ottlakán
László Andrási
János Tajti.
Viktor Kovács
József Pieler
László Libor
Attila Paszt
Zsolt Simonka
György Lázár
Publication date: 01-12-2021
Publisher: BioMed Central
Keywords: Cholecystitis
Abdominal Surgery
Cholecystectomy
Endoscopic Retrograde Cholangiopancreatography
Published in: BMC Surgery / Issue 1/2021
Electronic ISSN: 1471-2482
DOI: https://doi.org/10.1186/s12893-021-01152-z

At a glance: The STEP trials

Springer Medicine

Evaluation of the conversion rate as it relates to preoperative risk factors and surgeon experience: a retrospective study of 4013 patients undergoing elective laparoscopic cholecystectomy

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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