A. Wachinou, Corinne Houehanou, S. Ade, T. Totah, M. Berger, G. Solelhac, S. Amidou, Attanon Arnauld Fiogbe, F. Alovokpinhou, Philipe Lacroix, P. Preux, P. Marques-Vidal, G. Agodokpessi, D. Houinato, R. Heinzer
BACKGROUND Data on the prevalence of sleep-disordered breathing (SDB) in the African general population are scarce, and a better understanding is urgently needed. Our study aimed to objectively determine the prevalence of, and factors associated with, SDB in a large sample in Benin, west Africa. METHODS In the Benin Society and Sleep (BeSAS) cross-sectional study, participants aged 25 years and older were recruited from both urban and rural areas. Rural participants were recruited from Tanve, a village located 200 km north of Cotonou, and urban participants were recruited from Cotonou. The participants underwent respiratory polygraphy at home using a type-3 device that measures airflow through a nasal pressure sensor, respiratory effort (thoracic movement), and pulse oximetry. Clinical and morphometric data were also collected. SDB severity categories were defined according to the apnoea-hypopnoea index (AHI), with mild-to-severe SDB (AHI ≥5/h), moderate-to-severe SDB (AHI ≥15/h), and severe SDB (AHI ≥30/h). FINDINGS The study was completed from April 4, 2018 to Jan 15, 2021. Of 2909 participants recruited in the BeSAS study, 2168 (74·5%) underwent respiratory polygraphy. For the 1810 participants with complete polygraphic data (mean age 46 years, SD 15; 1163 [64·2%] women), the prevalence of mild-to-severe SDB (AHI ≥5/h) was 43·2% (95% CI 40·9-45·5), of moderate-to-severe SDB (AHI ≥15/h) was 11·6% (10·2-13·1), and of severe SDB (AHI ≥30/h) was 2·7% (2·0-3·5). Factors independently associated with SDB were advanced age, male sex, large neck circumference, abdominal obesity, overweight or obesity, and snoring. After multivariable adjustment, severe SDB was independently associated with hypertension in women (odds ratio 3·99, 95% CI 1·04-15·33; ptrend=0·044), but not in men (odds ratio 0·67, 0·22-2·05; Ptrend=0·63). INTERPRETATION The BeSAS study provides the first large-scale objective evaluation of SDB prevalence and associated factors in Africa. The high prevalence of SDB identified should stimulate the development of public health policies to prevent and treat this condition in African countries. FUNDING Ligue Pulmonaire Vaudoise, Switzerland.
{"title":"Prevalence of sleep-disordered breathing in an African general population: The Benin Society and Sleep (BeSAS) study.","authors":"A. Wachinou, Corinne Houehanou, S. Ade, T. Totah, M. Berger, G. Solelhac, S. Amidou, Attanon Arnauld Fiogbe, F. Alovokpinhou, Philipe Lacroix, P. Preux, P. Marques-Vidal, G. Agodokpessi, D. Houinato, R. Heinzer","doi":"10.2139/ssrn.3963785","DOIUrl":"https://doi.org/10.2139/ssrn.3963785","url":null,"abstract":"BACKGROUND\u0000Data on the prevalence of sleep-disordered breathing (SDB) in the African general population are scarce, and a better understanding is urgently needed. Our study aimed to objectively determine the prevalence of, and factors associated with, SDB in a large sample in Benin, west Africa.\u0000\u0000\u0000METHODS\u0000In the Benin Society and Sleep (BeSAS) cross-sectional study, participants aged 25 years and older were recruited from both urban and rural areas. Rural participants were recruited from Tanve, a village located 200 km north of Cotonou, and urban participants were recruited from Cotonou. The participants underwent respiratory polygraphy at home using a type-3 device that measures airflow through a nasal pressure sensor, respiratory effort (thoracic movement), and pulse oximetry. Clinical and morphometric data were also collected. SDB severity categories were defined according to the apnoea-hypopnoea index (AHI), with mild-to-severe SDB (AHI ≥5/h), moderate-to-severe SDB (AHI ≥15/h), and severe SDB (AHI ≥30/h).\u0000\u0000\u0000FINDINGS\u0000The study was completed from April 4, 2018 to Jan 15, 2021. Of 2909 participants recruited in the BeSAS study, 2168 (74·5%) underwent respiratory polygraphy. For the 1810 participants with complete polygraphic data (mean age 46 years, SD 15; 1163 [64·2%] women), the prevalence of mild-to-severe SDB (AHI ≥5/h) was 43·2% (95% CI 40·9-45·5), of moderate-to-severe SDB (AHI ≥15/h) was 11·6% (10·2-13·1), and of severe SDB (AHI ≥30/h) was 2·7% (2·0-3·5). Factors independently associated with SDB were advanced age, male sex, large neck circumference, abdominal obesity, overweight or obesity, and snoring. After multivariable adjustment, severe SDB was independently associated with hypertension in women (odds ratio 3·99, 95% CI 1·04-15·33; ptrend=0·044), but not in men (odds ratio 0·67, 0·22-2·05; Ptrend=0·63).\u0000\u0000\u0000INTERPRETATION\u0000The BeSAS study provides the first large-scale objective evaluation of SDB prevalence and associated factors in Africa. The high prevalence of SDB identified should stimulate the development of public health policies to prevent and treat this condition in African countries.\u0000\u0000\u0000FUNDING\u0000Ligue Pulmonaire Vaudoise, Switzerland.","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"223 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122462158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00061-3
B. Lipworth, R. Chan, R. Misirovs, Kirsten E. Stewart
{"title":"Combined medical and surgical therapy for chronic rhinosinusitis with nasal polyposis.","authors":"B. Lipworth, R. Chan, R. Misirovs, Kirsten E. Stewart","doi":"10.1016/s2213-2600(22)00061-3","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00061-3","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131778820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00128-x
{"title":"Correction to Lancet Respir Med 2022; published online March 29. https://doi.org/10.1016/S2213-2600(21)00537-3.","authors":"","doi":"10.1016/s2213-2600(22)00128-x","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00128-x","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133618049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/S2213-2600(22)00091-1
Margaret Ryan, Jay R. Montgomery
{"title":"Myopericarditis after COVID-19 vaccination: unexpected but not unprecedented","authors":"Margaret Ryan, Jay R. Montgomery","doi":"10.1016/S2213-2600(22)00091-1","DOIUrl":"https://doi.org/10.1016/S2213-2600(22)00091-1","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121503983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00139-4
{"title":"Correction to Lancet Respir Med 2022; published online Feb 25. https://doi.org/10.1016/S2213-2600(22)00045-5","authors":"","doi":"10.1016/s2213-2600(22)00139-4","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00139-4","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124289206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00049-2
Hyun Lee, D. Sin
{"title":"GETting to know the many causes and faces of COPD.","authors":"Hyun Lee, D. Sin","doi":"10.1016/s2213-2600(22)00049-2","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00049-2","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122623782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00142-4
T. Burki
{"title":"Dynamic zero COVID policy in the fight against COVID","authors":"T. Burki","doi":"10.1016/s2213-2600(22)00142-4","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00142-4","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126427364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-01DOI: 10.1016/s2213-2600(22)00064-9
E. Lourijsen, S. Reitsma, G. Hannink, W. Fokkens
{"title":"Combined medical and surgical therapy for chronic rhinosinusitis with nasal polyposis - Authors' reply.","authors":"E. Lourijsen, S. Reitsma, G. Hannink, W. Fokkens","doi":"10.1016/s2213-2600(22)00064-9","DOIUrl":"https://doi.org/10.1016/s2213-2600(22)00064-9","url":null,"abstract":"","PeriodicalId":326030,"journal":{"name":"The Lancet. Respiratory medicine","volume":"255 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133224398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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