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Long-term effectiveness of CPAP in patients with severe obesity-hypoventilation syndrome
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Long-term effectiveness of CPAP in patients with severe obesity-hypoventilation syndrome
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Long-term effectiveness of CPAP in patients with severe obesity-hypoventilation syndrome
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Journal Article
Long-term effectiveness of CPAP in patients with severe obesity-hypoventilation syndrome
2021
Overview
PurposeThe optimal mode of long-term positive airway pressure (PAP) treatment for obesity-hypoventilation syndrome (OHS) is not clear. The objectives of this study were to analyze whether or not patients with severe OHS treated with continuous positive airway pressure (CPAP) remained controlled with this therapy over the long term and to investigate which variables were associated with CPAP failure and the need to switch to non-invasive ventilation (NIV).MethodsIn a retrospective single-center study, patients admitted to the hospital because of severe OHS between 1996 and 2015 were analyzed. A multiple regression analysis was performed in order to determine which variables were associated with either CPAP success or failure to maintain long-term control.ResultsOf 126 consecutive patients, 115 accepted long-term PAP treatment. CPAP or NIV treatment was prescribed according to a protocol that included overnight polysomnographic PAP titration. Follow-up time was 8.0 ± 4.8 years. At the end of this period, 29% of CPAP-treated patients had been re-assigned to NIV because of recurrence of global respiratory failure. High levels of obesity, weight gain, lower FEV1/FVC values and the need for nocturnal supplementary oxygen independently predicted CPAP failure.ConclusionCPAP therapy for severe OHS in patients who have these risk factors should be closely monitored in the long-term for possible treatment failure.
Publisher
Springer Nature B.V
