What are the clinical implications of obesity hypoventilation syndrome (OHS) in Canada?
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Obesity hypoventilation syndrome (OHS) is a respiratory disorder characterized by decreased oxygen levels and increased carbon dioxide in the blood. It is associated with obesity, sleep-disordered breathing, and awake hypercapnia. OHS has significant clinical implications, including a higher burden of medical comorbidities compared to obstructive sleep apnea (OSA) . Patients with OHS are at higher risk for adverse postoperative events, making cautious selection of anesthesia type and better monitoring in the postanesthesia care unit important . OHS management includes weight loss programs, oxygen therapy, positive pressure ventilation, pharmacotherapy, tracheostomy, and management of complications . Non-invasive ventilation (NVL) with various modes of operation, such as continuous positive airway pressure (CPAP), bilevel positive airway pressure (BiPAP), and average volume-assured pressure support (AVAPS), is effective in treating OHS . Early recognition of OHS is crucial, as it is associated with significant morbidity and mortality. Effective treatment, such as positive airway pressure therapy and weight loss, can lead to improved patient outcomes .
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