Obstructive sleep apnea (OSA) is a sleep disorder characterised as complete or partial upper airflow cessation during sleep. Although it has been widely accepted that OSA is a risk factor for the development of hypertension, the studies focusing on this topic revealed inconsistent results. We aimed to clarify the association between OSA and resistant hypertension among the population of Calicut district in the state of Kerala. The study was conducted using the STOPBANG questionnaire. All

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... uals included were between the ages of 35-65 and had previously documented resistant hypertension. The responses from 49 people that fit the inclusion criteria have been analysed. 16/49 of the participants were placed in scores of 0-2, 15/49 were placed in scores of 3-4 and 18/49 were placed in the scores of 5-8. Based on our study, we can conclude that OSA is related to an increased risk of resistant hypertension among the population studied.