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Page 2 of 9 Sánchez et al. Mini-invasive Surg 2024;8:36 https://dx.doi.org/10.20517/2574-1225.2024.72

comorbid condition was high blood pressure (HBP), followed by Type 2 diabetes (T2D). In Mexico, the most
frequently performed surgical procedure was the Roux-en-Y gastric bypass (RYGB) (69%), followed by sleeve
gastrectomy (SG) (23.5%). In LATAM, the most common surgical procedure was SG (57.4%). The RYGB was
performed in 40.2% of patients. Complications at 30 and 90 days were 6% and 2%, respectively, in Mexico and
4% and 2% in LATAM. The comparative analysis of weight loss divided by surgical procedure was very similar.

Conclusion: Our analysis supports the value of registries as a valuable tool to compare practices and outcomes.

Keywords: Bariatric outcomes, sleeve gastrectomy, Roux-en-Y gastric bypass

INTRODUCTION
[1]
Metabolic and bariatric surgery (MBS) is highly effective for patients with severe obesity . Although there
are several guidelines concerning the indications for surgery and the recognized surgical procedures, both
the indications and the usage of the different surgical procedures have significant variations worldwide .
[2-4]

The interest in medical registries has increased globally. Registries have helped to know differences in
patient characteristics from different populations and differences in practices among bariatric centers, and
[5,6]
they have been important tools to ensure and improve the quality of MBS . Some registries not only
include the clinical outcomes but also process indicators and even patient-reported outcomes. Registries can
[7,8]
be based on hospitals; medical associations and some countries even have national registries .

The culture of reporting in Latin America (LATAM) is in its infancy. A few surgeons and hospitals have
developed databases, and most registries are based on individual efforts. In 2014, a pilot initiative of a multi-
institutional collaboration named “LATAM quality community-centers of bariatric and metabolic surgery
clinical quality indicators (CQI)” started in LATAM. Based on the input of an ad hoc committee of
interested bariatric surgeons, a prospective database was constructed. The pioneer country was Colombia,
and bariatric centers from Argentina, Brazil, Chile, and Mexico were incorporated in 2017.

As a proof of concept, the five participating Mexican institutions also imported into the registry the
retrospective data of patients who underwent surgery in 2015 and 2016 obtained from the existing hospital
databases. Once the adequacy of the tool was confirmed, the prospective collection started.

The aim of the present study is to analyze the results of the 5-year Mexican experience included in the
LATAM CQI compared to the LATAM data up to June 2020.

METHODS
Data from the LATAM CQI database were divided into two groups. In one group, the Mexican institutions
were merged and in the other group, the rest of the hospitals included in the LATAM registry were grouped
together. Among the characteristics of the registry, reporting was not compulsory; the custodian was
Econometria SA; each group had a leader in charge of data reports; there was a data dictionary, patients
were deidentified, and each center established an outlier policy. A repository with the data supporting the
results of this article has been sent to editors, with the respective confidentiality and anonymity measures
for the protection of the identity of the 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.