Research

Energy balance

Obese adults with obesity hypoventilation syndrome (OHS) should undergo weight-loss interventions targeting a sustained loss of 25-30% of body weight to achieve resolution of the syndrome, with bariatric surgery being the most effective method for achieving this threshold.

If you have Obesity Hypoventilation Syndrome, standard weight loss may not be enough. You need to aim for losing 25-30% of your body weight to potentially cure the condition. Because this is a large amount, you should discuss bariatric surgery with your doctor if you are a candidate, as it is the most likely way to achieve this specific threshold and resolve the breathing failure.

WeakSupportsVERY_LOW confidence
For patients with OHS, we suggest using weight-loss interventions that produce sustained weight loss of 25–30% of actual body weight. This level of weight loss is most likely required to achieve resolution of hypoventilation... those who have no contraindications may benefit from being evaluated for bariatric surgery.
Babak Mokhlesi et al. · American Journal of Respiratory and Critical Care Medicine · 2019

Why this rating

The guideline explicitly states the evidence quality is 'very low' due to paucity of studies.

Source

Evaluation and Management of Obesity Hypoventilation Syndrome. An Official American Thoracic Society Clinical Practice Guideline

Babak Mokhlesi et al. · American Journal of Respiratory and Critical Care Medicine · 2019

DOI 10.1164/rccm.201905-1071st

Meta-analysis · 31 studiesCited 272×
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DOI resolved against Crossref · corpus check 2026-06-10

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