Abstract
Background
Previous evidence explored predictors of hypertension (HTN) remission after bariatric but data are limited to observational studies and lack of ambulatory blood pressure monitoring (ABPM). This study was aimed to evaluate the rate of HTN remission after bariatric surgery using ABPM and to define predictors of mid-term HTN remission.
Methods
We included patients enrolled in the surgical arm of the GATEWAY randomized trial. HTN remission was defined as controlled blood pressure (< 130 × 80 mmHg) evaluated by 24-h ABPM while no need of anti-hypertensive medications after 36 months. A multivariable logistic regression model was used to assess the predictors of HTN remission after 36 months.
Results
46 patients submitted Roux-en-Y gastric bypass (RYGB). HTN remission occurred in 39% (n = 14 out of 36 patients with complete data at 36 months). Patients with HTN remission had shorter HTN history than no remission group (5.9 ± 5.5 vs. 12.5 ± 8.1 years; p = 0.01). The baseline insulin levels were lower in patients who presented HTN remission, although not statistically significant (OR: 0.90; CI 95%: 0.80–0.99; p = 0.07). In the multivariate analysis, the HTN history (years) was the only independent predictor of HTN remission (OR: 0.85; 95% CI: 0.70–0.97; p = 0.04). Therefore, for each additional year of HTN history, the chance of HTN remission decreases by approximately 15% after RYGB.
Conclusion
After 3 years of RYGB, HTN remission defined by ABPM was common and independently associated with a shorter HTN history. These data underscore the need of early effective approach of obesity aiming greater impact in its comorbidities.
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Data Availability
According to the TOP guidelines, the data supporting this study’s findings are available from the corresponding author upon reasonable request.
Abbreviations
- HTN:
-
Hypertension
- BP:
-
Blood pressure
- RYGB:
-
Roux-en-Y gastric bypass
- ABPM:
-
Ambulatory blood pressure monitoring
- BMI:
-
Body mass index
- WC:
-
Waist circumference
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Acknowledgements
We thank the Surgical Center and Ward staff, the Surgical Team, and the Research Institute from Heart Hospital for assistance with the GATEWAY trial (Gastric Bypass to Treat Obese Patients With Steady Hypertension)..
Funding
This is an investigator-initiated study supported by Ethicon™ (Grant No. 100238). The funders of the study had no role in study design, data collection, data analysis, data interpretation, or writing of the report.
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Key points
• Hypertension (HTN) remission is relatively common after bariatric surgery but the available evidence is limited to observational data and lack of ambulatory blood pressure monitoring (ABPM).
• After 3 years of Roux-en-Y gastric bypass (RYGB), data from the randomized study GATEWAY revealed that HTN remission defined by ABPM was common (39%) and independently associated with a shorter HTN history (each additional year of HTN history, the chance of HTN remission decreases by approximately 15% after RYGB).
• These data underscore the need of early effective approach of obesity aiming greater impact in its comorbidities.
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Oliveira, J.D., Schiavon, C.A., Oliveira, J.S. et al. Shorter History of Hypertension as a Predictor of Hypertension Remission after 3-years of Bariatric Surgery: Data from the GATEWAY Trial. OBES SURG 33, 2485–2492 (2023). https://doi.org/10.1007/s11695-023-06711-2
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DOI: https://doi.org/10.1007/s11695-023-06711-2