Key result
Slow-paced yoga breathing reduces orthostatic systolic blood pressure drop by ~4 mmHg vs pursed lip breathing.
Why the study?
Neurogenic orthostatic hypotension impairs cardiovascular autonomic regulation, and the comparative effects of different breathing techniques remained uncertain.
Does slow-paced yoga breathing improve immediate heart rate and orthostatic blood pressure stability compared with pursed lip breathing in patients with neurogenic orthostatic hypotension?
RCT (n=60)
Open-label
Computer-generated random list with sequentially numbered, opaque, sealed envelopes (SNOSE)
No
Does slow-paced yoga breathing improve immediate heart rate and orthostatic blood pressure stability compared with pursed lip breathing in patients with neurogenic orthostatic hypotension?
A single 15-minute session of slow-paced yoga breathing provides superior immediate attenuation of orthostatic blood pressure drop and symptom scores compared with pursed lip breathing in patients with neurogenic orthostatic hypotension.
Slow-paced yoga breathing may aid orthostatic stability in neurogenic hypotension; extends evidence for breathing techniques in autonomic regulation.
Neurogenic orthostatic hypotension impairs cardiovascular autonomic regulation and the comparative effects of breathing techniques remain uncertain. Therefore, it is of interest to compare the slow-paced yoga breathing and pursed lip breathing in 60 patients with neurogenic orthostatic hypotension (n = 30/group). Both interventions significantly improved heart rate and orthostatic blood pressure compared with baseline (P < 0.01). Slow-paced yoga breathing produced greater reductions in heart rate and orthostatic systolic blood pressure drop than pursed lip breathing (P < 0.01). Thus, data shows that slow-paced yoga breathing is an effective, non-pharmacological strategy for improving short-term autonomic cardiovascular stability.
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Rupam Sarkar (2026) conducted an RCT in Neurogenic orthostatic hypotension (n=60). Slow-paced yoga breathing (SPYB) vs. Pursed lip breathing (PLB) was evaluated on Post-intervention orthostatic systolic blood pressure drop (mmHg) (p=0.002). Slow-paced yoga breathing significantly reduced post-intervention orthostatic systolic blood pressure drop (14.2 vs 18.3 mmHg, P=0.002) and heart rate (73.9 vs 76.6 bpm, P=0.003) compared to pursed lip breathing.
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