Device-guided breathing as treatment for hypertension in type 2 diabetes mellitus: a randomized, double-blind, sham-controlled trial.

Abstract:

IMPORTANCE:Biofeedback with device-guided lowering of breathing frequency could be an alternate nonpharmacologic treatment option for hypertension. Evidence from trials with high methodologic quality is lacking. OBJECTIVE:To evaluate the effects of device-guided lowering of breathing frequency on blood pressure in patients with type 2 diabetes mellitus and hypertension. DESIGN:Single-center, double-blind, sham-controlled trial. SETTING:A large nonacademic teaching hospital in the Netherlands. PARTICIPANTS:Patients with type 2 diabetes mellitus and hypertension. INTERVENTION:Fifteen-minute sessions with either the device that guides breathing through musical tones to a lower breathing frequency (aiming at <10 breaths/min) or a sham device (music without aiming at lowering of breathing frequency) for an 8-week study period. MAIN OUTCOMES AND MEASURES:Systolic and diastolic blood pressure measured in the physician's office. RESULTS:Forty-eight patients were randomized; 21 patients (88%) in the intervention group and 24 patients (100%) in the control group completed the study. There were no significant changes in systolic and diastolic blood pressure, with a difference in systolic blood pressure of 2.35 mm Hg (95% CI, -6.50 to 11.20) in favor of the control group and a difference in diastolic blood pressure of 2.25 mm Hg (95% CI, -2.16 to 6.67) in favor of the intervention group. Three patients in the intervention group experienced adverse events. CONCLUSIONS AND RELEVANCE:This high methodologic quality study shows no significant effect of device-guided lowering of breathing frequency on office-measured blood pressure in patients with type 2 diabetes. On the basis of this study, together with results from all but one previous trial, device-guided lowering of breathing frequency does not appear to be a viable nonpharmacologic option for hypertension treatment.

journal_name

JAMA Intern Med

journal_title

JAMA internal medicine

authors

Landman GW,Drion I,van Hateren KJ,van Dijk PR,Logtenberg SJ,Lambert J,Groenier KH,Bilo HJ,Kleefstra N

doi

10.1001/jamainternmed.2013.6883

subject

Has Abstract

pub_date

2013-07-22 00:00:00

pages

1346-50

issue

14

eissn

2168-6106

issn

2168-6114

pii

1696186

journal_volume

173

pub_type

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