author_facet Penzel, T
Becker, HF
Brandenburg, U
Labunski, T
Pankow, W
Peter, JH
Penzel, T
Becker, HF
Brandenburg, U
Labunski, T
Pankow, W
Peter, JH
author Penzel, T
Becker, HF
Brandenburg, U
Labunski, T
Pankow, W
Peter, JH
spellingShingle Penzel, T
Becker, HF
Brandenburg, U
Labunski, T
Pankow, W
Peter, JH
European Respiratory Journal
Arousal in patients with gastro-oesophageal reflux and sleep apnoea
Pulmonary and Respiratory Medicine
author_sort penzel, t
spelling Penzel, T Becker, HF Brandenburg, U Labunski, T Pankow, W Peter, JH 0903-1936 1399-3003 European Respiratory Society (ERS) Pulmonary and Respiratory Medicine http://dx.doi.org/10.1183/09031936.99.14612669 <jats:p>Nocturnal gastro-oesophageal reflux has been observed in patients with obstructive sleep apnoea (OSA). Negative intrathoracic pressure during apnoeas and arousal have been suggested as the underlying mechanisms. In order to evaluate this hypothesis, the coincidence and sequence in time of arousal, apnoea and reflux events were analysed. Fifteen patients with OSA or heavy snoring were studied by means of standard polysomnograpy with parallel recording of 24-h oesophageal pH. Reflux events during the day were present in all patients, five of whom had symptoms of reflux. In three of these and in five other patients, a total of 69 nocturnal reflux events were found. In 68 events, arousal was found with the reflux event. Only one reflux without arousal was found (sleep stage 2). Seventeen events occurred during wakefulness after sleep onset. The percentage of time with a pH of &lt;4 during wakefulness after sleep onset was significantly higher than the percentage of time with a pH of &lt;4 during total sleep time (p&lt;0.05). In 37 of the 52 reflux events which occurred during sleep, either an apnoea or a hypopnoea was found prior to the event. The investigation of sequence in time did not prove a causal relation between respiratory events and reflux events. The results indicate that gastro-oesophageal reflux and obstructive sleep apnoea are two separate disorders, which both have a high prevalence in obese patients.</jats:p> Arousal in patients with gastro-oesophageal reflux and sleep apnoea European Respiratory Journal
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title Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_unstemmed Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_full Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_fullStr Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_full_unstemmed Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_short Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_sort arousal in patients with gastro-oesophageal reflux and sleep apnoea
topic Pulmonary and Respiratory Medicine
url http://dx.doi.org/10.1183/09031936.99.14612669
publishDate 1999
physical 1266-1270
description <jats:p>Nocturnal gastro-oesophageal reflux has been observed in patients with obstructive sleep apnoea (OSA). Negative intrathoracic pressure during apnoeas and arousal have been suggested as the underlying mechanisms. In order to evaluate this hypothesis, the coincidence and sequence in time of arousal, apnoea and reflux events were analysed. Fifteen patients with OSA or heavy snoring were studied by means of standard polysomnograpy with parallel recording of 24-h oesophageal pH. Reflux events during the day were present in all patients, five of whom had symptoms of reflux. In three of these and in five other patients, a total of 69 nocturnal reflux events were found. In 68 events, arousal was found with the reflux event. Only one reflux without arousal was found (sleep stage 2). Seventeen events occurred during wakefulness after sleep onset. The percentage of time with a pH of &lt;4 during wakefulness after sleep onset was significantly higher than the percentage of time with a pH of &lt;4 during total sleep time (p&lt;0.05). In 37 of the 52 reflux events which occurred during sleep, either an apnoea or a hypopnoea was found prior to the event. The investigation of sequence in time did not prove a causal relation between respiratory events and reflux events. The results indicate that gastro-oesophageal reflux and obstructive sleep apnoea are two separate disorders, which both have a high prevalence in obese patients.</jats:p>
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author Penzel, T, Becker, HF, Brandenburg, U, Labunski, T, Pankow, W, Peter, JH
author_facet Penzel, T, Becker, HF, Brandenburg, U, Labunski, T, Pankow, W, Peter, JH, Penzel, T, Becker, HF, Brandenburg, U, Labunski, T, Pankow, W, Peter, JH
author_sort penzel, t
container_issue 6
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container_title European Respiratory Journal
container_volume 14
description <jats:p>Nocturnal gastro-oesophageal reflux has been observed in patients with obstructive sleep apnoea (OSA). Negative intrathoracic pressure during apnoeas and arousal have been suggested as the underlying mechanisms. In order to evaluate this hypothesis, the coincidence and sequence in time of arousal, apnoea and reflux events were analysed. Fifteen patients with OSA or heavy snoring were studied by means of standard polysomnograpy with parallel recording of 24-h oesophageal pH. Reflux events during the day were present in all patients, five of whom had symptoms of reflux. In three of these and in five other patients, a total of 69 nocturnal reflux events were found. In 68 events, arousal was found with the reflux event. Only one reflux without arousal was found (sleep stage 2). Seventeen events occurred during wakefulness after sleep onset. The percentage of time with a pH of &lt;4 during wakefulness after sleep onset was significantly higher than the percentage of time with a pH of &lt;4 during total sleep time (p&lt;0.05). In 37 of the 52 reflux events which occurred during sleep, either an apnoea or a hypopnoea was found prior to the event. The investigation of sequence in time did not prove a causal relation between respiratory events and reflux events. The results indicate that gastro-oesophageal reflux and obstructive sleep apnoea are two separate disorders, which both have a high prevalence in obese patients.</jats:p>
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spelling Penzel, T Becker, HF Brandenburg, U Labunski, T Pankow, W Peter, JH 0903-1936 1399-3003 European Respiratory Society (ERS) Pulmonary and Respiratory Medicine http://dx.doi.org/10.1183/09031936.99.14612669 <jats:p>Nocturnal gastro-oesophageal reflux has been observed in patients with obstructive sleep apnoea (OSA). Negative intrathoracic pressure during apnoeas and arousal have been suggested as the underlying mechanisms. In order to evaluate this hypothesis, the coincidence and sequence in time of arousal, apnoea and reflux events were analysed. Fifteen patients with OSA or heavy snoring were studied by means of standard polysomnograpy with parallel recording of 24-h oesophageal pH. Reflux events during the day were present in all patients, five of whom had symptoms of reflux. In three of these and in five other patients, a total of 69 nocturnal reflux events were found. In 68 events, arousal was found with the reflux event. Only one reflux without arousal was found (sleep stage 2). Seventeen events occurred during wakefulness after sleep onset. The percentage of time with a pH of &lt;4 during wakefulness after sleep onset was significantly higher than the percentage of time with a pH of &lt;4 during total sleep time (p&lt;0.05). In 37 of the 52 reflux events which occurred during sleep, either an apnoea or a hypopnoea was found prior to the event. The investigation of sequence in time did not prove a causal relation between respiratory events and reflux events. The results indicate that gastro-oesophageal reflux and obstructive sleep apnoea are two separate disorders, which both have a high prevalence in obese patients.</jats:p> Arousal in patients with gastro-oesophageal reflux and sleep apnoea European Respiratory Journal
spellingShingle Penzel, T, Becker, HF, Brandenburg, U, Labunski, T, Pankow, W, Peter, JH, European Respiratory Journal, Arousal in patients with gastro-oesophageal reflux and sleep apnoea, Pulmonary and Respiratory Medicine
title Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_full Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_fullStr Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_full_unstemmed Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_short Arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_sort arousal in patients with gastro-oesophageal reflux and sleep apnoea
title_unstemmed Arousal in patients with gastro-oesophageal reflux and sleep apnoea
topic Pulmonary and Respiratory Medicine
url http://dx.doi.org/10.1183/09031936.99.14612669