Researchers from Brazil reported at Hypertension online that CPAP treatment prevents hypertension in men with severe OSA. Dr. Will Boggs from Reuters Health, reported Dr. Luciano Drager from the University of São Paulo Medical School as saying, “Both pre-hypertension and masked hypertension, conditions associated with increased cardiovascular risk and precursors of sustained hypertension, are common in patients with obstructive sleep apnea.”
“Because CPAP treatment decreased the frequency of pre-hypertension and masked hypertension in these patients, our results reinforce the concept that CPAP therapy is helpful not only for alleviating sleep-related symptoms but also for preventing the development of cardiovascular diseases in patients with obstructive sleep apnea.”
“Because CPAP treatment decreased the frequency of pre-hypertension and masked hypertension in these patients, our results reinforce the concept that CPAP therapy is helpful not only for alleviating sleep-related symptoms but also for preventing the development of cardiovascular diseases in patients with obstructive sleep apnea.”
The study included 36 middle-aged and overweight men with severe OSA but no overt pre-hypertension or masked hypertension. The patient group using a CPAP showed a decreased pre-hypertension from 94% to 55% and the frequency of masked hypertension decreased from 39% to 5.6%. Those in the group not using CPAPs showed no significant change in the prevalence of pre-hypertension and masked hypertension.
In addition to supporting a routine evaluation of OSA in people with pre-hypertension and/or masked hypertension, results from this study could lead to evaluating whether treatment with CPAP could prevent the development of sustained hypertension.
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