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Gastroesophageal reflux in obstructive sleep apnea
Gastro-esophageal reflux in obstructive sleep apnea *Amr Badr-El Din, **Gad El-Hak N, ***Younis A, ****Mostafa M, *Mohmad Abdel-Hady Abstract Introduction: Obstructive sleep apnea syndrome (OSAS) index in OSAS patients with GERD were significant and gastro-esophageal reflux disease (GERD) are common higher than OSAS patients without GERD (p=0.023 and chronic diseases and share several similar risk factors. 0.001 respectively) while the sleep efficiency was Gastro esophageal reflux is very common with 7% of significantly lower in OSAS patients with GERD than adults experiencing symptoms daily and 20% experiencing OSAS patients without GERD (p<0.001). The severity of symptoms at least weekly. Currently, sleep related GERD arousal index and severity of hypoxemia (% TST SoaO2 < is underappreciated from a clinical standpoint., There is 90%) showed significantly positive correlation with considerable evidence to indicate that GERD can affect severity of GERD (De Mesteer Score) p<0.001 for each. normal sleep physiology, and cause sleep disturbances and while severity of OSAS (AHI) showed no significant poor quality of sleep. correlation with severity of GERD (De Mesteer Score) (p = The aim of this work: was to assess the frequency of GERD in patient with OSAS and to assess the relationship Conclusion: We can conclude from this study that GERD of severity of GERD to the severity of OSAS. occur more common in OSAS patients as compared to controls (40% versus 10%). There were significantly Patients and methods: This study included 30 OSAS positive correlation between arousal index and hypoxemic patients and 20 controls. The patients and controls were index with severity of GERD (DeMeesre score) while no subjected to the following. thorough history taking, with correlation exist between severity of OSAS (AHI) and stress on symptoms of GERD, symptoms of OSAS, clinical severity of GERD (DeMeesre score). It is recommended for examination, chest x-ray and full-night polysomnography sleep specialist to inquire about GERD symptoms in and 24 hour pH monitoring. patients with OSAS. Also gastroenterologists must inquire about OSAS symptoms in patients with GERD especially Results: The heartburn and regurgitation in patients with those not responding to proton pump inhibitor. OSAS were significantly higher than controls (p= 0.005 and 0.035 respectively) while the difference in dysphagia Key words: Obstructive sleep apnea (OSA), Gastro- was statistically non significant (p= 0.145). The frequency esophageal reflux disease (GERD) of GERD in patients with OSAS was significantly higher *Chest Medicine Banha University, **Gastroenterology than controls (40% versus 10%, p= 0.021). The OSAS surgery Mansoura University ***Chest Medicine, symptoms (snoring, excessive daytime sleepiness, Mansoura University, ****Internal Medicine Mansoura nocturnal chocking) in OSAS patients with GERD were University. significantly higher than OSAS patients without GERD (p=0.025,0.003,0.025 respectively). The AHI and arousal Introduction: pressure gradually decreases relative to respiratory efforts during OSAS events (7,8). Although we spend approximately one Based on this finding, the pressure gradient third of our lives sleeping, rarely do we consider between negative esophageal pressure and that sleep may contribute to medical condition positive gastric pressure during OSAS has been (1).The association between sleep apnea and assumed to induce GER events. gastro-esophageal reflux had been noted more than 20 years ago by Samelson (2) It seemed Aim of the work: natural that both diseases might be related, since the majority of patients with these The aim of this work was to assess the disorders shares a common predisposing factors frequency of gastro-esophageal reflux in patient (obesity). Further more, some of the clinical with obstructive sleep apnea and to assess the manifestations such as nocturnal choking and relationship of severity of gastro-esophageal gasping are present in both conditions (3). The reflux to the severity of obstructive sleep apnea. relationship between GERD and sleep disorders such as obstructive sleep apnea Syndrome Subjects and methods: (OSAS) has been the topic of many studies. Fifty patients were referred to Mansoura Investigators have reported that the prevalence University Hospital in the period from of GERD or reflux esophagitis is high in OSAS December 2008 to May 2010 for the patients as revealed by symptomatology (4), investigation of suspected obstructive sleep esophageal pH monitoring and endoscopic apnea on the basis of snoring, excessive daytime findings (5), it has been thought that nocturnal sleepiness without regard to presence or gastro-esophageal reflux (GER) is induced by absence of reflux symptoms. OSAS as continuous positive airway pressure Exclusion criteria: reduced nocturnal GER events in OSAS 1- Respiratory disorders others than OSAS. patients (6). Esophageal end-inspiratory 2- Known esophageal disease as cancer, controls (p= 0.426, 0.0950 and 0.470 achalasia and stricture, and history of respectively) (Table 1). gastrointestinal surgery. The heartburn and regurgitation in The eligible patients for the study were patients with OSAS were significantly higher subjected to: than controls (p = 0.005 and 0.035 respectively) 1- Thorough history taking with stress on while the difference in dysphagia was symptoms of obstructive sleep apnea (loud statistically non significant (p = 0.145) (Table 2). habitual snoring, excessive daytime sleepiness if Epworth sleepiness scale > 9, The Demeester score was significantly morning headach, nocturnal choking, higher in patients with OSAS versus controls witnessed apnea) and symptoms of gastro- (p=0.009), also all components of Demeester esophageal reflux (heartburn, regurgitation, score (% time pH < 4 in supine position, % time dysphagia). pH < 4 in upright position, total % time pH < 4, 2- Clinical examination with stress on number of episodes pH < 4, number of episodes examination of the upper airway to exclude > 5 min, longest episode) were significantly anatomic causes of obstructive sleep apnea higher in patients with OSAS versus controls (p like enlarged tonsils or tongue and also to = 0.003, 0.009, 0.009, 0.019, 0.009, 0.007 assess possible other risk factors for respectively) (Table 3). obstructive sleep apnea like hypothyroidism The frequency of GERD in patients with or risk factor for gastro-esophageal reflux OSAS was significantly higher than controls like obesity. (40% versus 10%, p= 0.021) (Table 4). 3- All cases were subjected to over night polysomnography and according to the The difference in heartburn and results, patients were classified into a) regurgitation in OSAS patients with GERD patients with obstructive sleep apnea were significantly higher than OSAS patients syndrome (apnea hypopnea index > 5/hour without GERD (p< 0.001 and 0.001 together with at least 2 symptoms of OSAS) respectively), but the difference in dysphagia and b) patients without obstructive sleep was statistically non significant (p= 0.320) apnea syndrome (apnea hypopnea index < (Table 5). 5/hour). This group was used as control The OSAS symptoms (snoring, excessive daytime sleepiness, nocturnal chocking) in 4- Both groups were subjected to 24 hour PH OSAS patients with GERD were significantly monitoring and gastro-esophageal reflux higher than OSAS patients without GERD (p= was considered present if DeMeester score 0.025, 0.003, 0.025 respectively), while the was >14.72 (9). differences in morning headache and witnessed apnea in OSAS patients with GERD versus Statistics: Data were analyzed using SPSS OSAS patients without GERD were statistically (Statistical Package for Social Sciences) version non significant (p = 0.051 and 0.361) (Table 6). 10. Qualitative data were presented as number and percent. Comparison between groups was The AHI and arousal index in OSAS done by Chi-square test. Normally distributed patients with GERD were significant higher data was presented as mean ± SD. Student t-test than OSAS patients without GERD (p=0.023 was used to compare between two groups. and 0.001 respectively) while the sleep efficiency Pearson’s correlation coefficient was used to was significantly lower in OSAS patients with test correlation between variables. P < 0.05 was GERD than OSAS patients without GERD (p < considered to be statistically significant. 0.001). Also the hypoxemic parameters (Desaturation index, average SaO2 < 90%, % Results: total sleep time SaO2 < 90%) and % time in snoring in OSAS patients with GERD were This prospective study comprised 30 significant higher than OSAS patients without patients with OSAS and 20 controls (without GERD (p < 0.001, for all) (Table 7). OSAS). The mean age, mean BMI and percentage of males were statistically non The severity of arousal index and severity of significant between patients with OSAS versus hypoxemia (% total sleep time SaO2 < 90%) showed significantly positive correlation with severity of GERD (De Mesteer Score) p < 0.001 no significant correlation with severity of for each. while severity of OSAS (AHI) showed GERD (De Mesteer Score) (p = 0.076) (Table 8). Table (1): Demographic data of patients with OSAS versus Controls Patients with OSA Controls (n = 20) Statistics 56.2 ± 3.48 55.5 ± 2.14 31.10 ± 1.13 30.49 ± 1.39
χ2 = 0.521 Table (2): GERD symptoms in patients with OSAS versus Controls. GERD symptoms Patients with Controls (n = 20) OSAS (n = 30) Statistics
χ2 = 7.792 Heart burn
χ2 = 4.435 Regurgitation
χ2 = 2.128 Dysphagia Table (3): Variables of 24 hours pH monitoring in patients with OSAS versus controls Variables of 24 hours pH Patients with Controls (n = 20) Statistics monitoring OSAS (n = 30) % time pH < 4 in supine 2 (0.8 – 18) 1 (0.2 – 10) position % time pH < 4 in upright 2.5 (0 – 7) 0.55 (0 – 4) position Total % time pH < 4 2 (0.7 – 10.9) 1 (0.2 – 6.2) Number of episodes (pH < 4) 41 (10 – 172) 29 (7 – 172) Number of episodes > 5 min 1 (0 – 8) 0 (0 – 1) Longest episode 6 (1 – 32) 2.5 (1 – 7) Demeester score 10.55 (3.7 – 68) 6 (1 – 29) Table (4): Frequency of GERD in patients with OSAS versus Controls. Patients with Controls (n = 20) OSAS (n = 30) Statistics GERD (De Me Master score >
χ2 = 5.357 Without GERD (De Master score < 14.72) Table (5): GERD symptoms in OSAS patients with GERD versus OSAS patients without GERD. GERD symptoms OSAS Patients OSAS Patients with GERD without GERD Statistics
χ2 = 13.333 Heart burn P < 0.001
χ2 = 19.286 Regurgitation P < 0.001
χ2 = 0.988 Dysphagia Table (6): OSA symptoms in OSAS patients with GERD versus OSAS patients without GERD. OSA symptoms OSAS Patients OSAS Patients with GERD without GERD Statistics
χ2 = 5.00
χ2 = 8.571 Excessive daytime sleepiness
χ2 = 3.810 Morning headache
χ2 = 5.00 Nocturnal chocking
χ2 = 0.833 Witnessed apnea Table (7): Variables of polysomnography in OSAS patients with GERD versus OSAS patients without GERD. OSAS Patients OSAS Patients Variables of polysomnography with GERD without GERD Statistics Sleep efficiency 89.92 ± 1.51 95.39 ± 1.91 P < 0.001 37.58 ± 4.06 33.50 ± 5.23 Arousal index 24.25 ± 3.77 14.89 ± 3.72 P < 0.001 t = 15.481 Desaturation index 19.08 ± 1.31 10.78 ± 1.52 P < 0.001 Average SaO2 < 90% 25.25 ± 3.57 14.56 ± 3.87 P < 0.001 t = 11.561 % total sleep time SaO2 < 90% 3.54 ± 0.49 1.20 ± 0.62 P < 0.001 % time in snoring 18.50 ± 0.90 7.50 ± 5.31 P < 0.001 Table (8): Correlation of severity of OSAS, severity of arousal index and severity of percentage total sleep time SaO2 < 90% to severity of GERD. Severity of GERD (De Mesteer Score) Severity of OSAS (AHI) Severity of arousal index < 0.001 Severity of % total sleep time SaO2 < 90% < 0.001 standpoint (13). Reflux events during sleep Discussion: differ from those during the day as the result of physiological changes that occur Gastro-esophageal reflux disease and with the onset of sleep. These physiological obstructive sleep apnea syndrome are often changes include marked decline in the co-morbid disorders (10,11). OSAS is a frequency of swallowing events resulting in condition marked by pharyngeal reduced primary peristalsis and narrowing, resulting in upper airway consequently in reduced delivery of saliva to obstruction during sleep which in turn, the distal portion of the esophagus, loss of produces repeated episodes of decreased gravitational drainage, slower gastric oxygen saturation and brief arousals from emptying and diminished conscious sleep. It is well recognized clinically that perception of GERD events. These sleep patients with OSAS often complain of related changes may lead to delayed heartburn, and they clearly share a major esophageal acid clearance and as a result, overlapping risk factor, which is obesity. increased acid-mucosal contact time. Thus, Gastro esophageal reflux is very common there is considerable evidence to indicate with 7% of adults experiencing symptoms that GERD can affect normal sleep daily and 20% experiencing symptoms at physiology, and cause sleep disturbances least weekly (12). Currently, sleep related and poor quality of sleep. Conversely, it is GERD is underappreciated from a clinical also possible that disturbed sleep enhances perception of intra-esophageal reflux nocturnal reflux events in comparison to events, perhaps through centrally-mediated controls (110/night versus 23/night). Also mechanisms. However, evidence supporting OSAS patients spent more time of the night such a hypothesis is lacking (9). with an abnormally acidic esophageal PH and had longer episodes of GERD. Valipour This prospective study comprised 30 et al. (11) reported that subjects with OSA patients with OSAS and 20 controls had a significantly higher esophageal (without OSAS). The two groups were age, clearance time and more frequent BMI and sex matched (p= 0.426, 0.095 and esophageal PH drops compared with those 0.470 respectively) table (1). So the two without OSA. groups were comparable. The heartburn and regurgitation were significantly higher There were significantly higher in patients with OSAS as compared to frequency of GERD in patients with OSAS controls (p= 0.005 and 0.035 respectively) versus controls (40% versus 10% p = 0.021) while dysphagia showed no significant table (4). These were in accordance to difference (p = 0.145) table (2). This confirm Penzel et al (15) who found reflux in the common existence of classic symptoms 53.3%(8 out of 15) of patients with OSAS of GERD (heartburn and regurgitation) in Berg et al (3) reported reflux in 6 out of 14 patients with OSAS in comparison to those (42.9%)of patients with OSAS. Wise et al without OSAS. This was in accordance to (16) reported that 64.3% of patients with Teramoto et (4), Valipour et al (11), Green OSA had GERD. Several other studies et al (10) and Guda et al (14), who reported showed higher incidence of GERD in OSAS a significant increase in reflux symptoms in (10,11,17,18). Since episodes of esophageal patients with demonstrated OSAS. The high acidification vary with age (4), posture and frequency of GERD in OSAS can be sleep stages (19), this may account for the explained by large negative intrapleural differences in reflux episodes observed by pressure swings that occur during sleep different investigators. apnea. Also sleep disordered Breathing Heartburn and regurgitation in OSAS events that increase tension in the phreno- patients with GERD were significantly esophageal ligament which connect the higher than OSAS patients without GERD diaphragm to the lower esophageal (p < 0.001 for both) while the dysphagia sphincter, could lead partly to the loss of showed no significant difference p = 0.320 cardia muscle tone. Dickman (9) reported table (5). This illustrate that the heartburn that in case of persistent reflux despite and regurgitation were reliable symptoms proton pump inhibitor treatment do they for diagnosis of GERD in OSAS patients think about OSAS as one of reasons that while dysphagia was of less importance. could cause such problem. This was in accordance to Matinez et al (20) The DeMeester score was significantly who reported that dysphagia had no higher in patients with OSAS versus association with abnormal 24 hour PH controls (p = 0.009), also all components of studies while heartburn and regurgitation DeMeester score (% time pH < 4 in supine were positively associated with abnormal 24 position, % time pH < 4 in upright position, hour PH monitoring. Multiple investigators total % time pH < 4, number of episodes pH noted the validity of establishing GERD on < 4, number of episodes > 5 min, longest the basis of symptoms (21,22). Kim et al. episode) were significantly higher in (23) reported that clinician typically patients with OSAS versus controls (p = diagnose and treat patients with GERD on 0.003, 0.009, 0.009, 0.019, 0.009, 0.007 just clinical ground, so in certain clinical respectively) table (3). This was in situation, it can obviate the need for 24 hour accordance to Ing et al (6) who reported PH monitoring. that OSAS patients had significantly higher The OSAS symptoms (snoring, improved upper airway anatomic findings excessive daytime sleepiness, nocturnal as well as improved subjective sleep quality chocking) in OSAS patients with GERD associated with an objective reduction in were significantly higher than OSAS acid contact via powerful acid suppression patients without GERD (p = 0.025, 0.003, treatment. These document the possible 0.025 respectively) table (6), The % time in positive feedback effect of GERD on the snoring in OSAS patients with GERD were pathophysiology of OSAS. So sleep significant higher than OSAS patients professionals need to inquire about GER without GERD table (8). this was in symptoms in patients who present with accordance to Valipour et al (11) who awakenings and excessive daytime reported that GER may precipitate sleepiness. This is supported by Friedman et symptoms suggestive of OSAS including al (25) who reported that the combination awakening and nocturnal choking and of OSAS with clinical evidence of GERD reduced sleep efficiency. Lipan et al (24) should be a basis for either PH monitoring reported that GERD may increase the studies or ongoing treatment with proton symptoms of OSAS in several ways. pump inhibitor. Arousals caused by reflux may increase The AHI in OSAS patients with daytime somnolence. Friedman et al (25) GERD was significant higher than OSAS reported that repeated reflux causes tissue patients without GERD (37.58 ± 4.06 versus swelling and this contribute to further 33.50 ± 5.23. P = 0.023) table (7). This was airway obstruction with subsequent snoring in accordance to Kuribayashi et al (29) who and nocturnal choking. So GERD and reported that AHI was significantly higher OSAS adversely affect the symptoms and in OSAS patients with GERD than OSAS severity of the co-morbid condition. Dekel patients without GERD (42.0 ±9.8 versus et al (26) reported that GER may result in 35.7 ± 6.5 p < 0.05). This signify that the anamnestic short awakenings that lead to positive feedback of GER on the sleep fragmentation and feeling un- pathogenesis of OSAS may occur by causing refreshed the next morning, dozing off and edema of the upper airway by the acidic daytime sleepiness. Shaker et al (13) reflux with subsequent more AHI. Also the reported that in a survey of 1000 subjects arousal index was significantly higher and with GERD, 75% of the participants sleep efficiency was significantly lower in reported that GERD symptoms affect their OSAS patients with GERD versus OSAS sleep, 63% believed that heartburn patients without GERD (P < 0.001 for both) negatively affect their ability to sleep well. table (7). This was in accordance to The prevalence of sleep disturbances among Kuribayashi et al (29) who reported that respondents increase with increase in arousal index was significantly higher in frequency of nocturnal heartburn episodes. OSAS patients with GERD than OSAS Additionally 42% could not sleep through patients without GERD (p < 0.05). This the night and 39% took naps whenever suggest that arousal index and subsequent possible. The frequency and severity of decrease in sleep efficiency may be GERD symptoms were correlated with implicated in the pathogenesis of GERD patients quality of sleep. Demeter et al (5) This was in accordance to Kerr et al (30) reported close connection between severity who reported that arousals may trigger of GERD and score of Epworth sleepiness GERD by causing transient alteration in the scale as an indicator of daytime somnolence. pressure gradient across the lower Steward et al (27) reported that proton esophageal sphincter. Dickman et al (9) pump inhibitor will markedly improve reported that quality of sleep in persons symptoms of sleepiness and reflux with GERD may be affected by acid reflux symptoms in patients with documented related short arousals, for which the OSAS. Orr et al (28) reported that persons is commonly anamnestic, but these arousals lead to sleep fragmentation. Orr et occur in patients with OSA, it is probably al (31) reported that the pathophysiologic caused by a combination of increased mechanisms proposed to link GERD and transdiaphragmatic pressure gradient and OSAS are not mutually exclusive and it coexisting pathology of lower esophageal seems possible that the two conditions may sphincter causing incomplete closure. The in fact interact creating a kind of self lack of consistent relationship between perpetuating positive feedback loop. episodes of esophageal acidification and apneic events suggest that GER is not The hypoxemic parameters caused by OSA but may be facilitated by it (Desaturation index, average SaO2 < 90%, provided that there is already abnormal % total sleep time SaO2 < 90%) in OSAS pathology in the lower esophageal patients with GERD was significant higher sphincter. It is possible that minor than OSAS patients without GERD (p < esophageal acidification in patients with 0.001, for all) table (7). Also, the severity of sleep apnea will eventually result in lower hypoxemia (% TST SaO2 < 90%) showed esophageal sphincter incompetence leading significantly positive correlation with to established GER. Ozturk et al (34) severity of GERD (De Mesteer Score) p < reported that the classification of OSA is 0.001 table (8). These suggest the possible traditionally based on AHI and severity of role of hypoxemia in the pathogenesis of OSA which is defined as higher score of GERD. This was in accordance to Termato AHI, does not reflect the magnitude of et al (4) who reported increased GER respiratory effort during obstruction. Also episodes during hypoxia due to an impaired the upper airway resistance syndrome swallowing function. which is associated with respiratory effort is The severity of OSAS (AHI) showed not included in the AHI, therefore it is not no significant correlation with severity of easy to conclude that the occurrence of GERD (De Mesteer Score) p = 0.076 table GER is related to the number of AHI rather (8). This was in accordance to Graf et al than the respiratory effort during each (32) and Kuribayashi et al (29) who breathing cessation period. Beside the reported that the severity of sleep GER is respiratory effort, repetitive stimulation of not correlated to the severity of OSA. Morse lower esophageal sphincter via phreno- et al (33) reported that patients subjectively esophageal ligament may also be linked report that the quality of sleep is affected by with a threshold value of respiratory effort. the severity of GERD, however, objective The severity of arousal index showed correlation between OSA and GERD which significantly positive correlation with may suggest that both are common entities severity of GERD (De Mesteer Score) p < sharing similar risk factors but may not to 0.001 table (8). This illustrate the possible be causally linked. Penzel et al (15) did not pathophysiologic role of arousals in the find a causal relationship between OSA and development of GERD. This was in GERD as sequence of time between the accordance to Orr et al (35) who reported respiratory and reflux events did not prove that during sleep, GER occurs most a causal relationship. Berg et al (3) reported commonly during the brief stages of that they found approximately six times as arousals. Heinemann et al (19) reported many respiratory events as PH events with that no direct association between no consistent relationship between AHI and obstructive respiratory events and the reflux events. This suggest that the control occurrence of GER events. Penzel et al (15) of the lower esophageal sphincter tone is reported that 68 of 69 reflux events were active rather than passive. Lower associated with an arousal but only 37 were esophageal sphincter is able to constrict and associated with an apnea and so no causal resist mechanical reflux promoting events. association between the reflux events and When acidification of the lower esophagus the apnea could be noted. Kuribayashi et al (29) reported that arousals precede with GERD especially those not responding transient lower esophageal sphincter to proton pump inhibitor. relaxation, so arousals may be related to the occurrence of transient lower esophageal References: sphincter relaxation. They suggested that in 1-Foresman BH. Sleep-related gastro-esophageal OSAS patients, sleep GERD is mainly reflux. JAOA; 2000; 100; 12; 57-61. caused by transient lower esophageal 2- Samelson CF. Gastro-esophageal reflux and sphincter relaxation and not by a pressure obstructive sleep apnea. Sleep 1989; 12, 475-476 gradient between esophagus and stomach as 3-Berg S, Hoffestein V and Thorarinn G. the gastro-esophageal junction pressure Acidification of distal esophagus and sleep may gradually increase related to the related breathing disturbances. Chest 2004; 125; increase of the respiratory efforts during 2101-2106. OSAS. This increase in gastro-esophageal 4-Teramoto, S, Sudo, E, Matsuse, T, et al. Impaired junction pressure appears to prevent OSA swallowing reflex in patients with obstructive patients from having GER during OSA. sleep apnea syndrome. Chest 1999; 116, 17-21. The GERD events themselves can induce 5-Demeter 2005, Demeter P, Pap A. The relationship arousals as documented by Orr et al (31) between gastro-esophageal reflux disease and who reported that even non acidic reflux obstructive sleep apnea. J Gastroenterol 2004; 39: 815-20. events during sleep after powerful acid suppression can induce arousals with 6-Ing AJ, Ngu MC, Breslin AB. Obstructive sleep apnea and gastro-esophageal reflux. Am J Med subsequent impaired quality of sleep. 2000; 108(Suppl 4a): 120S-125S. The limitations of this study are small 7-Martin RJ, Pennock BE, Orr WC, Sanders MH, number of studied patients and absence of Rogers RM. Respiratory mechanics and timing simultaneous doing of polysomonography during sleep in occlusive sleep apnea. J Appl with 24 hour PH monitoring for better Physiol 1980; 48: 432-7. temporal correlation of reflux and 8-Zamagni M, Sforza E, Boudewijns A, Petiau C, respiratory events. Esophageal PH Krieger J. Respiratory effort. A factor monitoring under estimate the amount and contributing to sleep propensity in patients with obstructive sleep apnea. Chest 1996; 109: 651-8. frequency of reflux as it does not detect non acidic reflux or measure the volume of the 9-Dickman R, Green C, Fass S, et al. Relationships between sleep quality and pH monitoring refluxate. So this minimize the relationship findings in persons with gastro-esophageal between GERD and OSAS. Also one day reflux disease. J Clin Sleep Med 2007; 3: 505-13. studies (polysomonography and 24 hour PH 10- Green BT, Broughton WA, O’Connor JB. monitoring) are not better representations Marked improvement in nocturnal gastro- of the two chronic co-morbid diseases. esophageal reflux in a large cohort of patients with obstructive sleep apnea treated with We can conclude from this study that continuous positive airway pressure. Arch GERD occur more common in OSAS Intern Med 2003; 163: 41-5. patients as compared to controls (40% 11-Valipour A, Makker HK, Hardy R, Emegbo S, versus 10%). There were significantly Toma T, Spiro SG. Symptomatic positive correlation between arousal index gastroesophageal reflux in subjects with a and hypoxemic index with severity of breathing sleep disorder. Chest 2002; 121: 1748- GERD (DeMeesre score) while no correlation exist between severity of OSAS 12- Locke G, III, Talley NJ, Fett S, et al. Prevalence (AHI) and severity of GERD (DeMeesre and clinical spectrum of Gastro-esophageal score). It is recommended for sleep reflux: a population-based study in Olmsted specialist to inquire about GERD symptoms County, Minnesota. Gastroenterology 1997; 112: 1448-1456. in patients with OSAS as it is a common problem. Also gastroenterologists must 13- Shaker R, Castell DO, Schoenfeld PS, et al. Nighttime heartburn is an under-appreciated inquire about OSAS symptoms in patients clinical problem that impacts sleep and daytime function: The results of a Gallup Survey 24-Lipan MJ, Reidenberg JS, Laitman JT. Anatomy conducted on behalf of the American of reflux: a growing health problem affecting Gastroenterological Association. Am J structures of the head and neck. Anat Rec B Gastroenterol 2003; 98: 1487-1493. New Anat 2006; 289: 261-70. 14-Guda N, Partington S, Vakil N. Sympomatic 25-Friedman M, Schalch P, Vidyasagar R, gastro-oesophageal reflux, arousals and sleep Kakodkar KA, Mazloom N, Joseph NJ. Wireless quality in patients undergoing polysomnography upper esophageal monitoring for laryngo- for possible obstructive sleep apnoea. Aliment pharyngeal reflux (LPR). Otolaryngol Head Pharmacol Ther. 2004; 20: 1153-9. Neck Surg 2007; 137: 471-6. 15-Penzel T, Becker HF, Brandenburg U, Labunski 26-Dekel R, Green C, Quan S, et al. Abstract: The T, Pankow W, Peter JH. Arousal in patients relationship between severity and frequency of with gastroesophageal reflux and sleep apnea. symptoms and quality of sleep (QOS) in patients Eur Respir J 1999; 14: 1266-70. with gastroesophageal reflux disease (GERD). Gastroenterology 2003; 124: A-414. 16-Wise SK, Wise JC, DelGaudio JM. Gastro- esophageal reflux and laryngo-pharyngeal reflux 27-Steward DL. Pantoprazole for sleepiness in patients with sleep-disordered breathing. associated with acid reflux and obstructive sleep Otolaryngol Head Neck Surg 2006; 135: 253-7. disordered breathing. Laryngoscope 2004; 114: 1525-28. 17- Senior BA, Khan M, Schwimmer C, Rosenthal L, Benninger M. Gastro-esophageal reflux and 28-Orr WC, Craddock A, Goodrich S. Acidic and obstructive sleep apnea. Laryngoscope 2001; non-acidic reflux during sleep under conditions 111: 2144-6. of powerful acid suppression. Chest 2007; 131: 460-5. 18- Suganuma N, Shigedo Y, Adachi H, Watanabe T, Kumano-Go T, Terashima K, et al. Association 29 Kuribayashi A, Mori M, Maeda M, of gastro-esophageal reflux disease with weight Shimoyama Y, Kawamura O. Mechanism of gain and apnea, and their disturbance on sleep. gastroesophageal reflux in patients with Psychiatry Clin Neurosci 2001; 55: 255-6. obstructive sleep apnea 2010 Jun; 22(6): 611- e172. 19-Heinemann S, Graf KI, Karaus M, Dorow P. Occurrence of obstructive sleep related 30-Kerr P, Shoenut JP, Millar T, Buckle P, Kryger respiratory disorder in conjunction with gastro- MH. Nasal CPAP reduces gastroesophageal esophageal reflux. Pneumologie 1995; 49(Suppl reflux in obstructive sleep apnea syndrome. 1): 139-41. Chest 1992; 101: 1539-44. 20-Martinez SD, Malagon IB, Garewal HS, et al. 31-Orr WC, Heading R, Johnson LF, Kryger M. Nonerosive reflux disease (NERD) acid reflux Sleep and its relationship to gastro-oesophageal and symptom patterns. Aliment Pharmacol Ther reflux. Aliment Pharmacol Ther 2004; 20(Suppl 2003; 17: 537-545. 9): 39-46. 21-Coyne KS, Wiklund I, Schmier J, et al. 32-Graf KI, Karaus M, Heinemann S, Korber S, Development and validation of a disease-specific Dorow P, Hampel KE. Gastro-esophageal reflux treatment satisfaction questionnaire for gastro- in patients with sleep apnea syndrome. Z oesophageal reflux disease. Aliment Pharmacol Gastroenterol 1995; 33: 689-93. Ther 2003; 18: 907– 33-Morse CA, Quan SF, Mays MZ, et al. Is there a 22-Pare P, Meyer F, Armstrong D, et al. Validation relationship between obstructive sleep apnea of the GSFQ, a self-administered symptom and gastroesophageal reflux disease? Clin frequency questionnaire for patients with Gastro-enterol Hepatol 2004; 2: 761-768. gastro-oesophageal reflux disease. Can J Gastro- 34-Ozturk O, Ozturk L, Ozdogan A, Pelin Z. enterol 2003; 17: 307–12. Variables affecting the occurrence of gastro- esophageal reflux in obstructive sleep apnea patients Eur Arch Otolaryngolo 2004; 261-232. 35-Orr WC, Robert JT, Houck JR, Giddens CL and Symptoms of gastro-oesophageal reflux Tawk MM. The Effect of Acid Suppression on disease and the severity of obstructive sleep Upper Airway Anatomy and Obstruction in apnoea syndrome are not related in sleep Patients with Sleep Apnea and Gastro- disorders center patients. Aliment esophageal Reflux Disease. J Clin Sleep Med Pharmacol Ther; 2005; 21(9): 1127-33. 2009; 5(4): 330-334.
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Influenza – Grippe Die Influenza, deutsch »echte Grippe«, wird durch Influenzaviren verursacht. Im Volksmund wird die Bezeichnung „Grippe“ häufig für grippale Infekte verwendet, bei denen es sich aber um verschiedene, in der Regel deutlich harmloser verlaufende Viruserkrankungen als die »echte Grippe« handelt. Die Influenzaviren gehören zur Familie der Orthomyxoviridae. Syst