Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients
Background In patients with chronic heart failure, sleep-disordered breathing (SDB) is a common co-morbidity worsening prognosis. The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients. Methods A prospective questionnaire scor...
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| Veröffentlicht in: | Sleep & breathing 2012-09, Vol.16 (3), p.781-791 |
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| creator | Bitter, Thomas Westerheide, Nina Hossain, Sajid Mohammed Prinz, Christian Horstkotte, Dieter Oldenburg, Olaf |
| description | Background
In patients with chronic heart failure, sleep-disordered breathing (SDB) is a common co-morbidity worsening prognosis. The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients.
Methods
A prospective questionnaire scoring investigation on possible symptoms of sleep apnoea (nocturia, fatigue, daytime sleepiness, snoring, nocturnal sweating, witnessed apnoea’s, nap) was conducted in 1,506 consecutive patients with stable chronic heart failure (LVEF ≤45%, NYHA ≥2). Afterwards, polysomnography or polygraphy, capillary blood gas analysis, echocardiography, and cardiopulmonary exercise testing were performed.
Results
Adjusted for all significant covariates, snoring (
p
|
| doi_str_mv | 10.1007/s11325-011-0575-0 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1036880431</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1036880431</sourcerecordid><originalsourceid>FETCH-LOGICAL-c468t-90be96fc6567097a0c5b2d1501d9028d671b3fa970e052c56b0af0769839ec073</originalsourceid><addsrcrecordid>eNp1kcuK1UAQhhtRnHH0AdxIgwgujFZ10rflMHiDARfqOnQ61Z4MSTp2J8LZ-RA-oU9iH8_xguCqC_qrv_6qn7GHCM8RQL_IiLWQFSBWIHUpbrFzlEJUqMHe_llDZSWKM3Yv5xsAbIzFu-xMoNGNguacTe_307LGKfMYeB6JFu6WOZLjw8z9LsV58HxHLq08uGHcEn3_-i1R3sY185DixB1fUswL-XX4QtzHXSxsXrd-f5DAZxKAL24daF7zfXYnuDHTg9N7wT6-evnh6k11_e7126vL68o3yqyVhY6sCl5JVRbRDrzsRI8SsLcgTK80dnVwVgOBFF6qDlwAraypLXnQ9QV7etQt1j5vlNd2GrKncXQzxS23CLUyBpoaC_r4H_Qmbmku7g6UFgYUNoXCI-XLrjlRaJc0TC7tC9QesmiPWbQli_aQRQul59FJeesm6n93_Dp-AZ6cAJe9G0Nysx_yH07V0kpjCieOXC5f8ydKf1v83_QfKKCgsQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1037280614</pqid></control><display><type>article</type><title>Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients</title><source>MEDLINE</source><source>SpringerLink Journals</source><creator>Bitter, Thomas ; Westerheide, Nina ; Hossain, Sajid Mohammed ; Prinz, Christian ; Horstkotte, Dieter ; Oldenburg, Olaf</creator><creatorcontrib>Bitter, Thomas ; Westerheide, Nina ; Hossain, Sajid Mohammed ; Prinz, Christian ; Horstkotte, Dieter ; Oldenburg, Olaf</creatorcontrib><description>Background
In patients with chronic heart failure, sleep-disordered breathing (SDB) is a common co-morbidity worsening prognosis. The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients.
Methods
A prospective questionnaire scoring investigation on possible symptoms of sleep apnoea (nocturia, fatigue, daytime sleepiness, snoring, nocturnal sweating, witnessed apnoea’s, nap) was conducted in 1,506 consecutive patients with stable chronic heart failure (LVEF ≤45%, NYHA ≥2). Afterwards, polysomnography or polygraphy, capillary blood gas analysis, echocardiography, and cardiopulmonary exercise testing were performed.
Results
Adjusted for all significant covariates, snoring (
p
< 0.01) was the only symptom independently associated with OSA, while witnessed apnoeas (
p
= 0.02) and fatigue (
p
= 0.03) independently predicted for CSR. As additional parameters, higher BMI (threshold 26.6;
p
< 0.01) and higher pCO
2
(threshold 37.6 mmHg;
p
< 0.01) were independently associated with OSA and male gender (
p
< 0.001) and lower pCO
2
(threshold 35.0 mmHg;
p
< 0.001) with CSA. Cumulative questionnaire score results did not sufficiently (OSA—sensitivity 0.40, specificity 0.74; CSA—sensitivity 0.57, specificity 0.59) predict SDB.
Conclusion
Although in chronic heart failure patients with either OSA or CSA specific symptoms are apparent, combining clinical data, demographic data, and capillary blood gas analysis results appears favourable to determine the presence of SDB.</description><identifier>ISSN: 1520-9512</identifier><identifier>EISSN: 1522-1709</identifier><identifier>DOI: 10.1007/s11325-011-0575-0</identifier><identifier>PMID: 21874604</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Aged ; Biological and medical sciences ; Body Mass Index ; Cheyne-Stokes Respiration - diagnosis ; Cheyne-Stokes Respiration - epidemiology ; Chronic illnesses ; Cohort Studies ; Comorbidity ; Cross-Sectional Studies ; Dentistry ; Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes ; Echocardiography ; Female ; Fundamental and applied biological sciences. Psychology ; Germany ; Health Surveys ; Heart failure ; Heart Failure - diagnosis ; Heart Failure - epidemiology ; Humans ; Internal Medicine ; Male ; Mass Screening ; Medical sciences ; Medicine ; Medicine & Public Health ; Middle Aged ; Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis ; Nervous system (semeiology, syndromes) ; Neurology ; Original Article ; Otorhinolaryngology ; Patients ; Pediatrics ; Pneumology/Respiratory System ; Polysomnography ; Prospective Studies ; Risk Factors ; Sex Factors ; Sleep apnea ; Sleep Apnea Syndromes - diagnosis ; Sleep Apnea Syndromes - epidemiology ; Sleep Apnea, Central - diagnosis ; Sleep Apnea, Central - epidemiology ; Sleep Apnea, Obstructive - diagnosis ; Sleep Apnea, Obstructive - epidemiology ; Sleep. Vigilance ; Surveys and Questionnaires ; Vertebrates: nervous system and sense organs</subject><ispartof>Sleep & breathing, 2012-09, Vol.16 (3), p.781-791</ispartof><rights>Springer-Verlag 2011</rights><rights>2015 INIST-CNRS</rights><rights>Springer-Verlag 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c468t-90be96fc6567097a0c5b2d1501d9028d671b3fa970e052c56b0af0769839ec073</citedby><cites>FETCH-LOGICAL-c468t-90be96fc6567097a0c5b2d1501d9028d671b3fa970e052c56b0af0769839ec073</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11325-011-0575-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11325-011-0575-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26359588$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21874604$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bitter, Thomas</creatorcontrib><creatorcontrib>Westerheide, Nina</creatorcontrib><creatorcontrib>Hossain, Sajid Mohammed</creatorcontrib><creatorcontrib>Prinz, Christian</creatorcontrib><creatorcontrib>Horstkotte, Dieter</creatorcontrib><creatorcontrib>Oldenburg, Olaf</creatorcontrib><title>Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients</title><title>Sleep & breathing</title><addtitle>Sleep Breath</addtitle><addtitle>Sleep Breath</addtitle><description>Background
In patients with chronic heart failure, sleep-disordered breathing (SDB) is a common co-morbidity worsening prognosis. The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients.
Methods
A prospective questionnaire scoring investigation on possible symptoms of sleep apnoea (nocturia, fatigue, daytime sleepiness, snoring, nocturnal sweating, witnessed apnoea’s, nap) was conducted in 1,506 consecutive patients with stable chronic heart failure (LVEF ≤45%, NYHA ≥2). Afterwards, polysomnography or polygraphy, capillary blood gas analysis, echocardiography, and cardiopulmonary exercise testing were performed.
Results
Adjusted for all significant covariates, snoring (
p
< 0.01) was the only symptom independently associated with OSA, while witnessed apnoeas (
p
= 0.02) and fatigue (
p
= 0.03) independently predicted for CSR. As additional parameters, higher BMI (threshold 26.6;
p
< 0.01) and higher pCO
2
(threshold 37.6 mmHg;
p
< 0.01) were independently associated with OSA and male gender (
p
< 0.001) and lower pCO
2
(threshold 35.0 mmHg;
p
< 0.001) with CSA. Cumulative questionnaire score results did not sufficiently (OSA—sensitivity 0.40, specificity 0.74; CSA—sensitivity 0.57, specificity 0.59) predict SDB.
Conclusion
Although in chronic heart failure patients with either OSA or CSA specific symptoms are apparent, combining clinical data, demographic data, and capillary blood gas analysis results appears favourable to determine the presence of SDB.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Body Mass Index</subject><subject>Cheyne-Stokes Respiration - diagnosis</subject><subject>Cheyne-Stokes Respiration - epidemiology</subject><subject>Chronic illnesses</subject><subject>Cohort Studies</subject><subject>Comorbidity</subject><subject>Cross-Sectional Studies</subject><subject>Dentistry</subject><subject>Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes</subject><subject>Echocardiography</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Germany</subject><subject>Health Surveys</subject><subject>Heart failure</subject><subject>Heart Failure - diagnosis</subject><subject>Heart Failure - epidemiology</subject><subject>Humans</subject><subject>Internal Medicine</subject><subject>Male</subject><subject>Mass Screening</subject><subject>Medical sciences</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis</subject><subject>Nervous system (semeiology, syndromes)</subject><subject>Neurology</subject><subject>Original Article</subject><subject>Otorhinolaryngology</subject><subject>Patients</subject><subject>Pediatrics</subject><subject>Pneumology/Respiratory System</subject><subject>Polysomnography</subject><subject>Prospective Studies</subject><subject>Risk Factors</subject><subject>Sex Factors</subject><subject>Sleep apnea</subject><subject>Sleep Apnea Syndromes - diagnosis</subject><subject>Sleep Apnea Syndromes - epidemiology</subject><subject>Sleep Apnea, Central - diagnosis</subject><subject>Sleep Apnea, Central - epidemiology</subject><subject>Sleep Apnea, Obstructive - diagnosis</subject><subject>Sleep Apnea, Obstructive - epidemiology</subject><subject>Sleep. Vigilance</subject><subject>Surveys and Questionnaires</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>1520-9512</issn><issn>1522-1709</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp1kcuK1UAQhhtRnHH0AdxIgwgujFZ10rflMHiDARfqOnQ61Z4MSTp2J8LZ-RA-oU9iH8_xguCqC_qrv_6qn7GHCM8RQL_IiLWQFSBWIHUpbrFzlEJUqMHe_llDZSWKM3Yv5xsAbIzFu-xMoNGNguacTe_307LGKfMYeB6JFu6WOZLjw8z9LsV58HxHLq08uGHcEn3_-i1R3sY185DixB1fUswL-XX4QtzHXSxsXrd-f5DAZxKAL24daF7zfXYnuDHTg9N7wT6-evnh6k11_e7126vL68o3yqyVhY6sCl5JVRbRDrzsRI8SsLcgTK80dnVwVgOBFF6qDlwAraypLXnQ9QV7etQt1j5vlNd2GrKncXQzxS23CLUyBpoaC_r4H_Qmbmku7g6UFgYUNoXCI-XLrjlRaJc0TC7tC9QesmiPWbQli_aQRQul59FJeesm6n93_Dp-AZ6cAJe9G0Nysx_yH07V0kpjCieOXC5f8ydKf1v83_QfKKCgsQ</recordid><startdate>20120901</startdate><enddate>20120901</enddate><creator>Bitter, Thomas</creator><creator>Westerheide, Nina</creator><creator>Hossain, Sajid Mohammed</creator><creator>Prinz, Christian</creator><creator>Horstkotte, Dieter</creator><creator>Oldenburg, Olaf</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>0-V</scope><scope>3V.</scope><scope>7T5</scope><scope>7TK</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88G</scope><scope>88J</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ALSLI</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2M</scope><scope>M2R</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PSYQQ</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20120901</creationdate><title>Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients</title><author>Bitter, Thomas ; Westerheide, Nina ; Hossain, Sajid Mohammed ; Prinz, Christian ; Horstkotte, Dieter ; Oldenburg, Olaf</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468t-90be96fc6567097a0c5b2d1501d9028d671b3fa970e052c56b0af0769839ec073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Body Mass Index</topic><topic>Cheyne-Stokes Respiration - diagnosis</topic><topic>Cheyne-Stokes Respiration - epidemiology</topic><topic>Chronic illnesses</topic><topic>Cohort Studies</topic><topic>Comorbidity</topic><topic>Cross-Sectional Studies</topic><topic>Dentistry</topic><topic>Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes</topic><topic>Echocardiography</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Germany</topic><topic>Health Surveys</topic><topic>Heart failure</topic><topic>Heart Failure - diagnosis</topic><topic>Heart Failure - epidemiology</topic><topic>Humans</topic><topic>Internal Medicine</topic><topic>Male</topic><topic>Mass Screening</topic><topic>Medical sciences</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis</topic><topic>Nervous system (semeiology, syndromes)</topic><topic>Neurology</topic><topic>Original Article</topic><topic>Otorhinolaryngology</topic><topic>Patients</topic><topic>Pediatrics</topic><topic>Pneumology/Respiratory System</topic><topic>Polysomnography</topic><topic>Prospective Studies</topic><topic>Risk Factors</topic><topic>Sex Factors</topic><topic>Sleep apnea</topic><topic>Sleep Apnea Syndromes - diagnosis</topic><topic>Sleep Apnea Syndromes - epidemiology</topic><topic>Sleep Apnea, Central - diagnosis</topic><topic>Sleep Apnea, Central - epidemiology</topic><topic>Sleep Apnea, Obstructive - diagnosis</topic><topic>Sleep Apnea, Obstructive - epidemiology</topic><topic>Sleep. Vigilance</topic><topic>Surveys and Questionnaires</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bitter, Thomas</creatorcontrib><creatorcontrib>Westerheide, Nina</creatorcontrib><creatorcontrib>Hossain, Sajid Mohammed</creatorcontrib><creatorcontrib>Prinz, Christian</creatorcontrib><creatorcontrib>Horstkotte, Dieter</creatorcontrib><creatorcontrib>Oldenburg, Olaf</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Social Sciences Premium Collection</collection><collection>ProQuest Central (Corporate)</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Psychology Database (Alumni)</collection><collection>Social Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Social Science Premium Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>ProQuest Psychology</collection><collection>Social Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest One Psychology</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Sleep & breathing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bitter, Thomas</au><au>Westerheide, Nina</au><au>Hossain, Sajid Mohammed</au><au>Prinz, Christian</au><au>Horstkotte, Dieter</au><au>Oldenburg, Olaf</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients</atitle><jtitle>Sleep & breathing</jtitle><stitle>Sleep Breath</stitle><addtitle>Sleep Breath</addtitle><date>2012-09-01</date><risdate>2012</risdate><volume>16</volume><issue>3</issue><spage>781</spage><epage>791</epage><pages>781-791</pages><issn>1520-9512</issn><eissn>1522-1709</eissn><abstract>Background
In patients with chronic heart failure, sleep-disordered breathing (SDB) is a common co-morbidity worsening prognosis. The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients.
Methods
A prospective questionnaire scoring investigation on possible symptoms of sleep apnoea (nocturia, fatigue, daytime sleepiness, snoring, nocturnal sweating, witnessed apnoea’s, nap) was conducted in 1,506 consecutive patients with stable chronic heart failure (LVEF ≤45%, NYHA ≥2). Afterwards, polysomnography or polygraphy, capillary blood gas analysis, echocardiography, and cardiopulmonary exercise testing were performed.
Results
Adjusted for all significant covariates, snoring (
p
< 0.01) was the only symptom independently associated with OSA, while witnessed apnoeas (
p
= 0.02) and fatigue (
p
= 0.03) independently predicted for CSR. As additional parameters, higher BMI (threshold 26.6;
p
< 0.01) and higher pCO
2
(threshold 37.6 mmHg;
p
< 0.01) were independently associated with OSA and male gender (
p
< 0.001) and lower pCO
2
(threshold 35.0 mmHg;
p
< 0.001) with CSA. Cumulative questionnaire score results did not sufficiently (OSA—sensitivity 0.40, specificity 0.74; CSA—sensitivity 0.57, specificity 0.59) predict SDB.
Conclusion
Although in chronic heart failure patients with either OSA or CSA specific symptoms are apparent, combining clinical data, demographic data, and capillary blood gas analysis results appears favourable to determine the presence of SDB.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>21874604</pmid><doi>10.1007/s11325-011-0575-0</doi><tpages>11</tpages></addata></record> |
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| ispartof | Sleep & breathing, 2012-09, Vol.16 (3), p.781-791 |
| issn | 1520-9512 1522-1709 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1036880431 |
| source | MEDLINE; SpringerLink Journals |
| subjects | Aged Biological and medical sciences Body Mass Index Cheyne-Stokes Respiration - diagnosis Cheyne-Stokes Respiration - epidemiology Chronic illnesses Cohort Studies Comorbidity Cross-Sectional Studies Dentistry Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Echocardiography Female Fundamental and applied biological sciences. Psychology Germany Health Surveys Heart failure Heart Failure - diagnosis Heart Failure - epidemiology Humans Internal Medicine Male Mass Screening Medical sciences Medicine Medicine & Public Health Middle Aged Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis Nervous system (semeiology, syndromes) Neurology Original Article Otorhinolaryngology Patients Pediatrics Pneumology/Respiratory System Polysomnography Prospective Studies Risk Factors Sex Factors Sleep apnea Sleep Apnea Syndromes - diagnosis Sleep Apnea Syndromes - epidemiology Sleep Apnea, Central - diagnosis Sleep Apnea, Central - epidemiology Sleep Apnea, Obstructive - diagnosis Sleep Apnea, Obstructive - epidemiology Sleep. Vigilance Surveys and Questionnaires Vertebrates: nervous system and sense organs |
| title | Symptoms of sleep apnoea in chronic heart failure—results from a prospective cohort study in 1,500 patients |
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