Improvements in Heart Rate Variability in Women with Obesity: Short-term Effects of Sleeve Gastrectomy
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ORIGINAL CONTRIBUTIONS
Improvements in Heart Rate Variability in Women with Obesity: Short-term Effects of Sleeve Gastrectomy Paulina Ibacache 1 & Paulina Cárcamo 2 & Claudia Miranda 3 & Andrés Bottinelli 4 & Jaime Guzmán 5 & Elena Martínez-Rosales 6,7 & Enrique G. Artero 6,7 & Marcelo Cano-Cappellacci 8,9
# Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Purpose Obesity has been associated with reduced vagal function and increased sympathetic activity. Cardiac autonomic dysfunction has emerged as a major risk factor in the development of cardiovascular disease. Cardiac autonomic function (CAF) can be assessed by heart rate variability (HRV), an independent predictor of mortality based on changes in time intervals between adjacent heartbeats (RR). Bariatric surgery is considered the most effective treatment for obesity and its comorbidities, with sleeve gastrectomy (SG) being the most frequent bariatric procedure. There are few studies on HRV changes in women with obesity after SG. The aim of this study was to evaluate the short-term impact of SG on CAF and its relationship with weight loss. Materials and Methods An observational cohort study was conducted. Twenty-three female patients were assessed before SG and at 1 and 3 months after surgery. CAF was evaluated by analyzing HRV from 5-min records of RR intervals while the subject was supine. HRV was analyzed in time and frequency domains and with a nonlinear method. Results Patients (36.0 ± 11.1 years old, BMI 35.1 ± 3.4 kg/m2) presented higher HRV values, on average, in all domains both at 1 and 3 months after SG (p < 0.05). In addition, all anthropometric parameters improved (p < 0.001) although there was no relationship between HRV improvements and anthropometric changes. Conclusion SG seems to be effective at reducing excess weight and improving HRV at the short term, and these changes are detectable as early as the first month after surgery. HRV assessment appears as a promising low-cost tool that deserves further research. Keywords Obesity . Bariatric surgery . Autonomic nervous system . Weight loss
* Marcelo Cano-Cappellacci [email protected]
1
Facultad de Ciencias de la Rehabilitación, Universidad Andres Bello, 2531015 Viña del Mar, Chile
2
Hospital de Urgencia Asistencia Pública, 8330075 Santiago, Chile
3
Facultad de Ciencias de la Rehabilitación, Universidad Andres Bello, 7591538 Santiago, Chile
4
Clínica Ciudad del Mar, 2520021 Viña del Mar, Chile
5
Clínica Reñaca, 2540364 Viña del Mar, Chile
6
Department of Education, Faculty of Education Sciences, Universidad de Almería, 04120 Almería, Spain
Jaime Guzmán [email protected]
7
SPORT Research Group (CTS-1024), CERNEP Research Center, Universidad de Almería, 04120 Almería, Spain
Elena Martínez-Rosales [email protected]
8
Physical Therapy Department, Universidad de Chile, Independencia 1027, 8380453 Santiago, Chile
Enrique G. Artero [email protected]
9
Physical Therapy School, Universidad de Valparaíso, 2540064 Viña del Mar, Chile
Paulina Ibacache paulina.ibacac
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