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A simple yogic breathing practice using a conch shell may offer a critically important enhancement for individuals suffering from moderate obstructive sleep apnea, according to a new trial.
Researchers from teh Eternal Heart Care Centre and Research Institute in India have found that blowing a conch shell, a centuries-old yogic practice, can significantly improve the symptoms of moderate obstructive sleep apnea. The study, published in *ERJ Open Research*, suggests this non-invasive technique acts as a form of respiratory muscle training.
How Conch Blowing Tackles Sleep Apnea
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Obstructive sleep apnea (OSA) is a prevalent condition where the upper airway repeatedly collapses during sleep. This leads to interrupted breathing, reduced oxygen levels, and fragmented sleep. While continuous positive airway pressure (CPAP) is the standard treatment, many patients struggle with adherence due to discomfort or inconvenience.
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Six months of conch blowing led to a 34% reduction in daytime sleepiness and a nearly 22% decrease in apnea events during REM sleep.
Specifically, the conch-blowing group experienced a significant decrease in daytime sleepiness, with Epworth Sleepiness Scale scores dropping by an average of 5.0 points. Their sleep quality,measured by the Pittsburgh Sleep Quality Index,improved by -1.8 points. In contrast, the control group saw minimal change in sleepiness and a worsening sleep quality score of +1.3 points.
The most compelling findings related to sleep apnea severity. The overall apnea-hypopnea index (AHI) decreased by 4.4 events per hour in the conch-blowing group, while it increased by 1.2 events per hour in the control group. This resulted in a significant between-group difference of -5.62 events per hour.
Moreover, the intervention group saw reductions in both non-REM (NREM) and REM sleep apnea events, by 22.8% and 21.8%,respectively. Intriguingly, the intervention group also showed a 7.1% increase in their lowest nocturnal oxygen saturation, a measure that improved less in the control group.Researchers attribute these positive outcomes to the strengthened respiratory muscles from the conch-blowing exercise, potentially even leading to upper airway remodeling, as evidenced by reduced neck circumference.
Looking Ahead: The Potential of Ancient Practices
this study highlights a promising, accessible approach for managing moderate obstructive sleep apnea.While the trial design had limitations, including an open-label format and
