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Recent News and Articles on the Keywords: apnea + sleep + worsens  Related to the article below (Last Update: 8/4/2008)


Tampa Tribune
Is There A Connection Between Snoring And Allergies?
Tampa Tribune, FL - Jul 18, 2008
Snoring, in turn, may disrupt the quality or duration of sleep and is associated with a serious medical condition known as obstructive sleep apnea. ...
The second set of steps in your energy-boosting plan.
Gather.com, MA - Jul 21, 2008
If you suffer from a disorder such as sleep apnea, you'll need to see a doctor who specializes in sleep disorders. But most people with sleep problems such ...
Can't sleep?
Staten Island Advance - SILive.com, NY - Jul 7, 2008
A possible cause may be obstructive sleep apnea, which is a disorder associated with chronic snoring and recent weight gain. In such a case, your physician ...
Source: Google News

Sleep deprivation worsens obstructive sleep apnea. Comparison between diurnal and nocturnal … -
HE Persson - Chest, 1996 - Am Coll Chest Phys
... Physicians. ARTICLES. Sleep deprivation worsens obstructive sleep apnea.
Comparison between diurnal and nocturnal polysomnography. HE ...

Sleep Architecture and Respiratory Disturbances in Children with Obstructive Sleep Apnea -
DYT GOH, P GALSTER, CL MARCUS - American Journal of Respiratory and Critical Care Medicine, 2000 - Am Thoracic Soc
... OSAS is predominantly a REM phenomenon in children. Obstructive apnea worsens over
the course of the night, independent of the changing amounts of REM sleep. ...

Obstructive sleep apnea treated by independently adjusted inspiratory and expiratory positive airway … -
MH Sanders - Chest, 1990 - Am Coll Chest Phys
... page KG Johnson and DC Johnson Bilevel Positive Airway Pressure Worsens Central
Apneas ... NEJM Home page PJ Strollo and RM Rogers Obstructive Sleep Apnea N. Engl. ...

Is there a relationship between obstructive sleep apnea and gastroesophageal reflux disease? -
CA Morse, SF Quan, MZ Mays, C Green, G Stephen, R … - Clinical Gastroenterology and Hepatology, 2004 - Elsevier
... swallow when reflux was simulated during sleep.13 These ... possible that GERD itself
may worsen OSA, by ... repetitive reflux events to obstructive apnea and hypopnea ...

… of nasal CPAP on ventilatory drive in normocapnic and hypercapnic patients with obstructive sleep … -
CC Lin - European Respiratory Journal, 1994 - Eur Respiratory Soc
... S TOOHS and D EMENT [32] and G UILLEMINAULT and R OSEKIND [33] have shown that,
in humans, sleep fragmentation alone worsens sleep apnoea and snoring. ...

… Reflux in a Large Cohort of Patients With Obstructive Sleep Apnea Treated With Continuous Positive … -
BT Green, WA Broughton, JB O'Connor - Archives of Internal Medicine, 2003 - Am Med Assoc
... 2 These patients had significantly worse health-related quality of life than patients
with GERD without nocturnal symptoms. Obstructive sleep apnea (OSA) is a ...

The sympathetic nervous system and obstructive sleep apnea: implications for hypertension -
K Narkiewicz, VK Somers - J Hypertens, 1997 - jhypertension.com
... is a stepwise increase in blood pressure as the severity of OSA worsens. ... the
normotensive range of blood pressures; and second, that even sleep apnea that is ...

The Short-Term Effects of High-Dose Testosterone on Sleep, Breathing, and Function in Older Men -
PY Liu, B Yee, SM Wishart, M Jimenez, DG Jung, RR … - Journal of Clinical Endocrinology & Metabolism, 2003 - Endocrine Soc
... Short-term administration of high-dose testosterone shortens sleep and worsens sleep
apnea in older men but did not alter physical, mental, or metabolic ...

Natural evolution of moderate sleep apnoea syndrome: significant progression over a mean of 17 … -
ST Pendlebury, JL Pepin, D Veale, P Levy - Thorax, 1997 - pt.wkhealth.com
... anatomy or respiratory function was not useful in predicting which patients would
get worse. ... Undiagnosed sleep apnea in patients with essential hypertension. ...

… of long-term nocturnal nasal ventilation on spontaneous breathing during sleep in neuromuscular and … -
AJ Piper, CE Sullivan - European Respiratory Journal, 1996 - Eur Respiratory Soc
... and in- ability to be without the ventilator will leave the patient worse off, and
that if the ventilator fails the patient may simply not wake-up from sleep. ...

Source: Google Scholar
 
 

Hole in heart worsens sleep apnea: study

Last Updated: 2006-12-20 11:48:20 -0400 (Reuters Health)

NEW YORK (Reuters Health) - Sleep apnea -- frequent, short periods during sleep when breathing stops -- may be much worse in people with a relatively common heart defect called patent foramen ovale or PFO, a study by Swedish researchers has found.

In PFO, an opening between the heart's two upper chambers that normally closes during fetal development remains open. PFO is present in 25 percent of the adult population, and the defect may allow deoxygenated blood to pass through the hole in the heart.

Obstructive sleep apnea (OSA) affects up to 15 percent of middle-aged adults and produces varying degrees of low blood-oxygen levels (also called oxygen desaturation).

Article continues below and (thank you)
 

 

In a sleep apnea study, Dr. Magnus C. Johansson of Sahlgrenska University Hospital, Ostra and colleagues found that oxygen desaturation was more common, and occurred in proportion to the frequency of breathing disturbances, in patients with PFO.

From a larger group of 209 diagnosed with OSA, the Swedish group identified 15 OSA patients with frequent desaturation, and matched them with 15 OSA patients with few episodes of desaturation. The 30 subjects were then screened for the presence of PFO.

The presence of PFO was more common in patients with more episodes of desaturation than in those with fewer episodes of desaturation, Johansson and colleagues report in the European Respiratory Journal.

Sixty percent of apnea subjects with frequent episodes of desaturation had a large patent foramen ovale compared with just 13 percent of those with few desaturation episodes.

The authors conclude that shunting of deoxygenated or "blue" blood through the PFO contributes to low blood-oxygen levels in sleep apnea subjects with this heart defect. "Moreover, this may be the mechanism that explains the increased risk of stroke that is seen in OSA," they write.

If this link could be established, closing the PFO using a catheter technique may be a potential treatment option in the future, they conclude.

SOURCE: European Heart Journal, January 2007.

Copyright © 2006 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content, including by framing or similar means, is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. Reuters and the Reuters sphere logo are registered trademarks and trademarks of the Reuters group of companies around the world.

 
 
 
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