Abstract
Pulmonary function abnormalities are quite common in obesity. Consequently, in obese people, a number of respiratory comorbidities are seen, and they have to be identified and treated prior to bariatric surgery. The most commonly occurring conditions are obstructive sleep apnea (OSA), obesity hypoventilation syndrome, pulmonary hypertension, and asthma. Preoperative assessment includes a detailed history and clinical examination, followed by appropriate investigations to detect these comorbidities. OSA is highly prevalent in obese people undergoing bariatric surgery and should be considered in all patients during the preoperative evaluation. Screening tools and questionnaires are useful to identify patients with OSA although there are suggestions that all patients presenting for weight loss surgery should have a preoperative sleep study. Continuous positive airway pressure is the treatment of choice in moderate to severe OSA and should be instituted prior to surgery to reduce the risk of perioperative complications. Bariatric surgery can result in significant improvements in pulmonary function and resolution of some of the respiratory comorbidities such as OSA.
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Menon, M.K., Bhowmik, A. (2023). Respiratory Considerations and Effect of Bariatric Surgery in the Obese Patient. In: Agrawal, S. (eds) Obesity, Bariatric and Metabolic Surgery. Springer, Cham. https://doi.org/10.1007/978-3-030-60596-4_67
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DOI: https://doi.org/10.1007/978-3-030-60596-4_67
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