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Sánchez et al. Mini-invasive Surg 2024;8:36 Mini-invasive Surgery
DOI: 10.20517/2574-1225.2024.72

Original Article Open Access

Comparative analysis of practices and outcomes of

metabolic and bariatric surgery between Mexico and
Latin America: results of a pilot registry

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Hugo A. Sánchez , David Velázquez-Fernández , Miguel F. Herrera 1,2 , Carlos Zerrweck , Francisco
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Campos , Miguel Zapata , Lizbeth Guilbert , Juan Pablo Pantoja , Mauricio Sierra , Israel González ,
Gilberto Romero 4
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Nutrition & Obesity Center, Centro Médico ABC, Mexico City 01120, Mexico.
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Obesity Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City 14080, Mexico.
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CLIO Tlahuac, Hospital General Tlahuac, Mexico City 13250, Mexico.
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Obesity Clinic, Hospital Rubén Leñero, Mexico City 11340, Mexico.
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Obesity Clinic, Hospital Christus Muguerza, Monterrey 64060, Mexico.
Correspondence to: Dr. Miguel F. Herrera, Obesity Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán,
Ave. Vasco de Quiroga #15, Tlalpan, Mexico City 14080, Mexico. E-mail: miguelfherrera@gmail.com
How to cite this article: Sánchez HA, Velázquez-Fernández D, Herrera MF, Zerrweck C, Campos F, Zapata M, Guilbert L, Pantoja
JP, Sierra M, González I, Romero G. Comparative analysis of practices and outcomes of metabolic and bariatric surgery between
Mexico and Latin America: results of a pilot registry. Mini-invasive Surg 2024;8:36. https://dx.doi.org/10.20517/2574-1225.
2024.72
Received: 6 Sep 2024 First Decision: 6 Nov 2024 Revised: 20 Nov 2024 Accepted: 27 Nov 2024 Published: 12 Dec 2024
Academic Editors: Michel Gagner, Giulio Belli Copy Editor: Pei-Yun Wang Production Editor: Pei-Yun Wang
Abstract
Aim: The interest in metabolic and bariatric surgery (MBS) registries has increased globally. In 2014, a pilot
initiative of a multi-institutional collaboration named “LATAM CQI” started in Latin America (LATAM). The aim of
the present study is to analyze the results of the 5-year Mexican experience compared to the LATAM data.

Methods: Data were divided into two groups: the Mexican institutions (3,344 patients) and the rest of the
hospitals included in the LATAM registry (10,383 patients). Demography, somatometry variables, comorbid
conditions, surgical procedures, complications, and outcomes in terms of weight loss and evolution of the comorbid
conditions were comparatively analyzed. Descriptive and inferential statistics were applied based on the original
scaling of every included variable. Any P-value of ≤ 0.05 was considered statistically significant for two-tailed
hypothesis testing.
Results: Mean age and mean body mass index (BMI) were very similar between groups. The most common

© The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution 4.0
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