HypertensionRandomised controlled trial

Randomized Trial of Effect of Bariatric Surgery on Blood Pressure After 5 Years

J Am Coll CardiolPublished

  • Randomised controlled trial

Authors' conclusion

Bariatric surgery represents an effective and durable strategy to control hypertension and related polypharmacy in subjects with obesity.

Study context

Population
Obesity grade 1 or 2 plus hypertension on at least 2 medications; excluding previous CV events and poorly controlled T2DM
Participants
100 participants
Comparison
RYGB plus medical therapy (MT) vs MT alone
Primary endpoint
Reduction of at least 30% of total antihypertensive medications while maintaining BP <140/90 mm Hg
Follow-up
5 years

Primary result

As reported in the abstract

Relative risk

5.91

95% CI 2.58–13.52

P < 0.001

By group

RYGB vs MT
RR 5.91 (95% CI 2.58–13.52); P < 0.001

Further findings

BMI · 5 years

P < 0.001

Mean

OutcomeRYGBMTP value
Number of antihypertensive medications · 5 years0.80 (95% CI 0.51–1.09)2.97 (95% CI 2.33–3.60)P < 0.001

Hypertension remission · 5 years

Rates of hypertension remission 2.4% vs 46.9%
RR 19.66 (95% CI 2.74-141.09); P < 0.001

Apparent resistant hypertension · 5 years

Lower after RYGB (0% vs 15.2%)

Sensitivity analysis (completed cases only)

Consistent results

Original publication

Randomized Trial of Effect of Bariatric Surgery on Blood Pressure After 5 Years. J Am Coll Cardiol. Published 13 February 2024. doi:10.1016/j.jacc.2023.11.032

Summarised from the published abstract; every number is checked against it