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19.05.2016 | Original Contributions | Ausgabe 12/2016

Obesity Surgery 12/2016

Prognostic Factors for Morbimortality in Sleeve Gastrectomy. The Importance of the Learning Curve. A Spanish-Portuguese Multicenter Study

Zeitschrift:
Obesity Surgery > Ausgabe 12/2016
Autoren:
PhD,MD Raquel Sánchez-Santos, Ricard Corcelles Codina, Ramon Vilallonga Puy, Salvadora Delgado Rivilla, Jose Vicente Ferrer Valls, Javier Foncillas Corvinos, Carlos Masdevall Noguera, Maria Socas Macias, Pedro Gomes, Carmen Balague Ponz, Jorge De Tomas Palacios, Sergio Ortiz Sebastian, Andres Sanchez-Pernaute, Jose Julian puche Pla, Daniel Del Castillo Dejardin, Julen Abasolo Vega, Ester Mans Muntwyler, Ana Garcia Navarro, Carlos Duran Escribano, Norberto Cassinello Fernández, Nieves Perez Climent, Jose Antonio Gracia Solanas, Francisca Garcia-Moreno Nisa, Alberto Hernández Matias, Victor Valentí Azcarate, Jose Eduardo Perez Folques, Inmaculada Navarro Garcia, Eduardo Dominguez-Adame Lanuza, Sagrario Martinez Cortijo, Jesus González Fernández

Abstract

Background

Complications in sleeve gastrectomy (SG) can cast a shadow over the technique’s good results and compromise its safety. The aim of this study is to identify risk factors for complications, and especially those that can potentially be modified to improve safety.

Methods

A retrospective multicenter cohort study was carried out, involving the participation of 29 hospitals. Data was collected on demographic variables, associated comorbidities, technical modifications, the surgeon's experience, and postoperative morbimortality. A multivariate logistic regression analysis was carried out on risk factors (RFs) for the complications of leak/fistula, hemoperitoneum, pneumonia, pulmonary embolism, and death.

Results

The following data were collected for 2882 patients: age, 43.85 ± 11.6. 32.9 % male; BMI 47.22 ± 8.79; 46.2 % hypertensive; 29.2 % diabetes2; 18.2 % smokers; bougie calibre ≥40 F 11.1 %; complications 11.7 % (2.8 % leaks, 2.7 % hemoperitoneum, 1.1 % pneumonia, 0.2 % pulmonary embolism); and death 0.6 %. RFs for complications were as follows: surgeon’s experience < 20 patients, OR 1.72 (1.32–2.25); experience > 100 patients, OR 0.78 (0.69–0.87); DM2, OR1.48(1.12–1.95); probe > 40 F, OR 0.613 (0.429–0.876). Leak RFs were the following: smoking, OR1.93 (1.1–3.41); surgeon’s experience < 20 patients, OR 2.4 (1.46–4.16); experience of 20–50 patients, OR 2.5 (1.3–4.86); experience >100 patients, OR 0.265 (0.11–0.63); distance to pylorus > 4 cm, OR 0.510 (0.29–0.91). RFs for death were as follows: smoking, OR 8.64 (2.63–28.34); DM2, OR 3.25 (1.1–9.99); distance to pylorus < 5 cm, OR 6.62 (1.63–27.02).

Conclusions

The safety of SG may be compromised by nonmodifiable factors such as age >65, patient comorbidities (DM2, hypertension), and prior treatment with anticoagulants, as well as by modifiable factors such as smoking, bougie size <40 F, distance to the pylorus <4 cm, and the surgeon’s experience (<50–100 cases).

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