Tuesday June 18, 2019

Adults With Obstructive Sleep At Greater Risk Of Cardiovascular Diseases

Adults with moderate to severe OSA were categorised into four subtypes according to the symptoms they report: disturbed sleep, minimally symptomatic, moderately sleepy and excessively sleepy.

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The increased risk of CVD associated with OSA appears to be driven by patients in the excessively sleepy subtype, according to the researchers.
The increased risk of CVD associated with OSA appears to be driven by patients in the excessively sleepy subtype, according to the researchers. Pixabay

Adults with obstructive sleep apnoea (OSA), who experience excessive sleepiness while awake are at greater risk for cardiovascular diseases (CVD) than those who do not experience such symptoms, says a new study.

Sleep apnoea is a potentially serious sleep disorder in which breathing repeatedly stops and starts.

Adults with moderate to severe OSA were categorised into four subtypes according to the symptoms they report: disturbed sleep, minimally symptomatic, moderately sleepy and excessively sleepy.

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Sleep apnoea is a potentially serious sleep disorder in which breathing repeatedly stops and starts. Pixabay

“Multiple studies from our group have shown that patients with moderate to severe OSA throughout the world can be categorised into specific subtypes based on their reported symptoms,” said Diego R. Mazzotti, researcher at the University of Pennsylvania in the US.

“However, until now, it was unclear whether these subtypes had different clinical consequences, especially in regard to future cardiovascular risk,” said Mazzotti.

For the current study, researchers followed for nearly 12 years 1,207 adults, aged 40 or above.

Participants reported symptoms such as difficulty in falling and staying asleep, snoring, fatigue, drowsy driving and daytime sleepiness.

The findings, published in the American Journal of Respiratory and Critical Care Medicine, showed that participants exhibiting the excessively sleepy subtype were more than three times as likely to have been diagnosed with heart failure than the other three subtypes.

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They were about twice as likely to experience a heart attack, heart failure, stroke or cardiovascular death during the follow-up period than the other three subtypes. Pixabay

They were about twice as likely to experience a heart attack, heart failure, stroke or cardiovascular death during the follow-up period than the other three subtypes.

In addition, they were also more likely to experience a new or recurrent cardiovascular event during the follow-up period.

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The increased risk of CVD associated with OSA appears to be driven by patients in the excessively sleepy subtype, according to the researchers.

Studies of the cardiovascular benefits of continuous positive airway pressure, or CPAP, treatment for OSA should focus on the excessively sleepy subtype, who are likely to benefit the most from what is considered the gold standard OSA treatment, the team suggested. (IANS)

Next Story

Unable to Sleep at Night? This One Trick Can Help Advance Snooze Time by 2 Hours

Having a late sleep pattern puts you at odds with the standard societal days

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Sleep, Night, Trick
Such changes can also lead to improved performance in the mornings. Pixabay

Researchers have found that a simple tweak to the sleeping patterns and maximising outdoor light during the mornings for a period of three weeks can help night owls — people with extreme late sleeping and waking habits – bring forward their sleep/wake timings by two hours.

Such changes can also lead to improved performance in the mornings, better eating habits and a decrease in depression and stress among people with late sleeping habits, showed the findings.

The study, published in the journal Sleep Medicine, showed that it was possible to shift the circadian rhythm of ‘night owls’ using non-pharmacological and practical interventions.

“Having a late sleep pattern puts you at odds with the standard societal days, which can lead to a range of adverse outcomes – from daytime sleepiness to poorer mental wellbeing,” said study co-author Andrew Bagshaw from the University of Birmingham in the UK.

Sleep, Night, Trick
A simple tweak to the sleeping patterns and maximising outdoor light during the mornings for a period of three weeks can help night owls. Pixabay

The researchers wanted to see if simple things could solve this issue.

In an experiment with a small group of participants that spanned for three weeks, the group were asked to wake up two-three hours before regular wake up time and maximise outdoor light during the mornings.

They were also asked to go to bed two-three hours before habitual bedtime and limit light exposure in the evening, have fixed sleep/wake times on both work days and free days and have breakfast as soon as possible after waking up, eat lunch at the same time each day, and refrain from eating dinner after 7 p.m.

“We wanted to see if there were simple things people could do at home to solve this issue. This was successful, on average allowing people to get to sleep and wake up around two hours earlier than they were before,” Bagshaw said.

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“Most interestingly, this was also associated with improvements in mental wellbeing and perceived sleepiness, meaning that it was a very positive outcome for the participants.” (IANS)