Significantly elevated venous carbon monoxide (CO) levels have been found in the morning in patients with untreated obstructive sleep apnea.(1) Treatment with CPAP normalizes CO levels.
In 35 obstructive sleep apnea patients, morning venous CO levels were elevated compared with both their own evening CO levels (p < 0.0001) and with controls (p < 0.05). See [...]
CPAP is the best treatment for most people who have obstructive sleep apnea. The purpose of CPAP is to eliminate apneas and improve sleep quality and oxygen supply to the brain. The result usually is improved alertness and memory, sharper thought processes, and a more positive outlook.
However, a few patients still feel sleepy during daytime, [...]
According to a 2007 review of scientific research, CPAP has been reported to have the following positive effects in patients with obstructive sleep apnea and heart disease:
Increased left ventricular ejection fraction in patients who had severe OSA and heart failure
Reduced or eliminated ischemic heart disease
Improved cardiac output and systolic volume responses during exercise
Improved all the [...]
