Surgical Morbidity in the Elderly Bariatric Patient: Does Age Matter?

  • Andrés San Martín
  • Matías SepúlvedaEmail author
  • Felipe Guzman
  • Hernán Guzmán
  • Felipe Patiño
  • Yudith Preiss
Original Contributions



Obesity is a global health problem that also affects older adults. In Chile, as in most of the developing countries, more than half of older adults are overweight or obese, and bariatric surgery may be riskier for this group. The aim of this study is to compare our experience in patients over 60 years of age with a control group to determine associated surgical morbidity and mortality.


Case-control study of bariatric surgeries performed between 2006 and 2017 in our institution. Patients aged ≥ 60 years for the case group versus control group for patients ≤ 50 years selected randomly, matched by body mass index, type 2 diabetes, hypertension, dyslipidemia, surgical technique, and gender (ratio 1:2). Primary endpoint was surgical morbidity, 30-day readmission, and mortality.


Seventy-two patients in case group were matched with 144 patients in control group. Surgical complications rate was the same for both groups. No differences were observed in the conversion to open surgery rate or 30-day readmission rate. There was no mortality in this series.


In this case-control study, being elderly does not increase the risk of morbidity and mortality associated with bariatric surgery.


Bariatric surgery Elderly Morbidity Mortality Risk factors 



The authors thank statistics Professor Waldo Aranda, from the School of Medicine of Universidad Diego Portales for his valuable help in the statistical analysis and in writing the “Methods” section.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Escuela de MedicinaUniversidad Diego PortalesSantiagoChile
  2. 2.Bariatric and Metabolic Surgery Center, DIPRECA HospitalSantiagoChile
  3. 3.Escuela de Medicina, Universidad de SantiagoSantiagoChile

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