Navigation Links
No Link Between Sleep Apnea, Cancer, Study Finds
Date:8/5/2014

By
HealthDay Reporter

TUESDAY, Aug. 5, 2014 (HealthDay News) -- Canadian researchers have found no apparent connection between sleep apnea and cancer in a new study of more than 10,000 people with this common sleep disorder.

People with sleep apnea experience repeated periods of disrupted breathing during sleep. Studies suggesting a link between the condition and cancer risk theorized that low oxygen levels might trigger cell mutations connected with cancer.

"We were not able to confirm previous hypotheses that obstructive sleep apnea is a cause of overall cancer development through intermittent lack of oxygen," said lead author Dr. Tetyana Kendzerska, from the Institute for Clinical Evaluative Sciences and Women's College Hospital at the University of Toronto.

The report, published Aug. 5 in the Canadian Medical Association Journal, is unlikely to put the question to rest, however.

"Additional studies are needed to find out whether there is an independent effect of sleep apnea on specific types of cancer," Kendzerska said.

Dr. Leonard Lichtenfeld, deputy chief medical officer of the American Cancer Society, said the findings suggest that sleep apnea by itself is not related to an increased risk of cancer. "However, for some people the factors that cause sleep apnea are related to an increased risk of cancer," he said.

Risk factors for sleep apnea include smoking, chronic lung disease, obesity and diabetes, Lichtenfeld said. "It is these conditions that are more likely to cause the increased cancer risk seen in other studies, not the sleep apnea itself," he said.

This study isn't the "final answer," he said. "More research will have to be done."

For the study, Kendzerska and colleagues studied about 10,150 patients suffering from sleep apnea who took part in a sleep study between 1994 and 2010. They linked this data to health databases from 1991 to 2013.

At the start of the study, about 5 percent of the patients had cancer. Over an average of nearly eight years of follow-up, an additional 6.5 percent of the participants developed cancer. Most common were prostate, breast, colorectal and lung cancers, the researchers said.

Although no link was seen for cancer in general, the researchers did find that low oxygen levels related to sleep apnea were associated with smoking-related cancers, such as lung cancer.

Dr. Yosef Krespi, director of the Center for Sleep Disorders at Lenox Hill Hospital in New York City, cautioned that while sleep apnea may not cause cancer, it is a serious condition that needs to be treated.

"One should not ignore sleep apnea," Krespi said. "Sleep apnea is a chronic progressive disorder that if left untreated can result in serious heart problems."

More than 18 million American adults have sleep apnea, according to the National Sleep Foundation. Some experts say the condition is increasing because of the obesity epidemic.

Sleep apnea can make a cancer patient's life more difficult, Krespi said.

"The quality of life of sleep apnea patients with cancer and their ability to tolerate treatments such as chemotherapy and radiation can be very different than those without the condition," he said.

More information

For more on sleep apnea, visit the U.S. National Heart, Lung, and Blood Institute.

SOURCES: Tetyana Kendzerska, M.D., Ph.D., Institute for Clinical Evaluative Sciences, Women's College Hospital, University of Toronto, Canada; Leonard Lichtenfeld, M.D., deputy chief medical officer, American Cancer Society; Yosef Krespi, M.D., director, Center for Sleep Disorders, Lenox Hill Hospital, New York City; Aug. 5, 2014, Canadian Medical Association Journal


'/>"/>
Copyright©2014 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Study finds significant skull differences between closely linked groups
2. Study: No link between depression, nasal obstruction
3. AADR comments on review that validates association between oral health and heart health
4. New research finds no association between white potato consumption (baked, boiled mashed) and obesity, Type 2 diabetes or systemic inflammation
5. Study shows link between pre-pregnancy obesity and lower test scores
6. First study investigating possible link between sunscreen ingredient and endometriosis
7. Early Study Hints at Link Between Certain Sunscreens, Endometriosis
8. Understanding the links between inflammation and chronic disease
9. 2 new studies show connection between sleepiness and pro-athlete careers
10. Science of parenting, the link between sexism and racism, death and the supernatural, and more
11. Infants cant distinguish between large and small groups
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
No Link Between Sleep Apnea, Cancer, Study Finds
(Date:6/25/2016)... Canada (PRWEB) , ... June 25, 2016 , ... Conventional ... pursuit of success. In terms of the latter, setting the bar too high can ... risk more than just slow progress toward their goal. , Research from ...
(Date:6/24/2016)... ... ... was in a crisis. Her son James, eight, was out of control. Prone to extreme ... “When something upset him, he couldn’t control his emotions,” remembers Marcy. “If there was ... other children and say he was going to kill them. If we were driving ...
(Date:6/24/2016)... (PRWEB) , ... June 24, 2016 , ... Comfort Keepers® ... American Cancer Society and the Road To Recovery® program to drive cancer patients to ... and other adults to ensure the highest quality of life and ongoing independence. ...
(Date:6/24/2016)... ... June 24, 2016 , ... ... to recognize Dr. Barry M. Weintraub as a prominent plastic surgeon and the ... in the world, and the most handsome men, look naturally attractive. Plastic surgery ...
(Date:6/24/2016)... Washington, D.C. (PRWEB) , ... June 24, 2016 , ... ... Pro-Am Heroes Golf Classic Tournament held on June 20th at the Woodmont Country ... local charity, Luke’s Wings, an organization dedicated to helping service members that have been ...
Breaking Medicine News(10 mins):
(Date:6/23/2016)... 23, 2016 Bracket , a leading clinical ... generation clinical outcomes platform, Bracket eCOA (SM) 6.0, at ... 26 – 30, 2016 in Philadelphia , ... Outcome Assessment product of its kind to fully integrate with ... Bracket eCOA 6.0 is a flexible platform for electronic clinical ...
(Date:6/23/2016)... and INDIANAPOLIS , June ... receiving a Lilly Diabetes Tomorrow,s Leaders Scholarship is any ... scholarship winners, announced today online at www.diabetesscholars.org ... type 1 diabetes stand in the way of academic ... supported the Foundation,s scholarship program since 2012, and continues ...
(Date:6/23/2016)... LONDON , June 23, 2016 ... environments  Oticon , industry leaders in ... the launch of Oticon Opn ™, the world,s ... world of possibilities for IoT devices.      ... Opn, Oticon introduces a number of ,world firsts,: ...
Breaking Medicine Technology: