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Inicio Cirugía Española (English Edition) Predictors for cure of obstructive sleep apnea in bariatric patients
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Original article
Available online 1 April 2025
Predictors for cure of obstructive sleep apnea in bariatric patients
Factores predictores de curación de la apnea obstructiva del sueño en pacientes bariátricos
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Sergio Navarro-Martíneza,
Corresponding author
namarser@alumni.uv.es

Corresponding author.
, Jose Ángel Diez-Aresa, Marina Carrasco-Llatasb, Núria Peris-Tomása, Silvia Matarredona-Quilesb, Ramón Trullenque-Juana, Carlos Domingo-Del-Pozoa
a Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Doctor Peset, Valencia, Spain
b Servicio de Otorrinolaringología, Hospital Universitario Doctor Peset, Valencia, Spain
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Tables (5)
Table 1. Demographic characteristics of the sample.
Tables
Table 2. Association between a cure and the clinico-anatomical patient profile: results from the simple binary logistic regression model for a probability of cure (Unadjusted OR estimates)a.
Tables
Table 3. Correlation between a cure and clinico-anatomical patient profile: Results from the multiple binary logistic regression analysis for the probability of a cure with stepwise variable data entry (adjusted OR estimates).
Tables
Table 4. Changes in metabolic comorbidity after bariatric surgery.
Tables
Table 5. Early complications according to the Clavien-Dindo classification.
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Abstract
Introduction

Obstructive sleep apnea (OSA) is common among candidates for bariatric surgery and is often underdiagnosed. Given that obesity and OSA share comorbidities and mutually reinforce each other, it is important to identify factors that predict OSA resolution after bariatric surgery. However, studies on this topic are limited and offer contradictory results. The objective of the study was to identify predictors of OSA resolution one year after bariatric surgery.

Methods

A prospective study was conducted with bariatric surgery candidates aged 18–65. Patients underwent preoperative cardiorespiratory polygraphy (PR) and an otorhinolaryngological examination. A follow-up PR was performed one year after surgery. A multivariate analysis was conducted, examining anthropometric, metabolic, and upper airway anatomical variables to determine predictors of resolution.

Results

The prevalence of OSA was 75%. Predictors of resolution included preoperative body mass index (BMI), neck circumference and age. Each additional kg/m² in BMI reduced the probability of resolution by 14% (OR = 0.86; P = .037), each additional centimeter of neck circumference reduced the probability by 16% (OR = 0.84; P = .018), and each year of age reduced the probability by 11% (OR = 0.89; P = .009).

Conclusions

The prevalence of OSA in bariatric patients is high, and BMI, neck circumference, and age are predictive factors of OSA resolution after bariatric surgery.

Keywords:
Gastric bypass
Sleeve gastrectomy
Obstructive sleep apnea
Airway
Predictors
Cervical circumference
BMI
Resumen
Introducción

La apnea obstructiva del sueño (AOS) es frecuente en pacientes candidatos a cirugía bariátrica y está infradiagnosticada. Dado que la obesidad y la AOS comparten comorbilidades y se potencian mutuamente, es importante identificar factores que predigan la curación de la AOS tras la cirugía bariátrica. Sin embargo, los estudios sobre este tema son limitados y ofrecen resultados contradictorios. El objetivo del estudio fue identificar factores predictores de la curación de la AOS tras un año de la cirugía bariátrica.

Métodos

Se realizó un estudio prospectivo con candidatos a cirugía bariátrica de entre 18 y 65 años. Los pacientes se sometieron a una poligrafía cardiorrespiratoria (PR) y exploración otorrinolaringológica prequirúrgicas. Al año de la intervención se repitió una nueva PR. Se realizó un análisis multivariante en el que se analizaron variables antropométricas, metabólicas y anatómicas de la vía aérea superior para determinar predictores de curación.

Resultados

La prevalencia de AOS fue del 75%. Se identificaron como predictores de curación el índice de masa corporal (IMC) prequirúrgico, el perímetro cervical y la edad. Cada kg/m² adicional en el IMC reduce la probabilidad de curación en un 14% (OR = 0,86; p = 0,037), cada centímetro adicional de perímetro cervical la disminuye en un 16% (OR = 0,84; p = 0,018), y cada año reduce la probabilidad de curar un 11% (OR = 0,89; p = 0,009).

Conclusiones

La prevalencia de AOS en pacientes bariátricos es alta, y el IMC, el perímetro cervical y la edad son factores predictores de curación tras la cirugía bariátrica.

Palabras clave:
Bypass gástrico
Gastrectomía vertical
Apnea obstructiva del sueño
Vía aérea
Factores predictores
Perímetro cervical
IMC
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