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Following a brain ischemic insult, a variety of sleep problems can occur.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Aim of work<\/jats:title>\n                <jats:p>To study the sleep architecture following stroke and to identify the impact of site, size and severity of ischemic cerebrovascular troke on sleep microstructure.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Subjects and methods<\/jats:title>\n                <jats:p>this was a case control study; polysomnogram was done for 93 patients admitted to the stroke unit at El- Hadara university hospital with the first ever ischemic stroke. NIHSS was calculated immediately and 1\u00a0month after stroke onset. 50 age matched control subjects with no evidence of central nervous system or major psychiatric disorder by history or clinical examination.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Total sleep time, sleep efficiency were lower in ischemic cerebrovascular stroke patients than in control group and this was statistically significant (<jats:italic>p<\/jats:italic>\u2009=\u2009.001* <jats:italic>p<\/jats:italic>\u2009=\u2009.0001* respectively). Arousal index limb movement index and snoring index were all higher among the ischemic cerebrovascular stroke group in comparison to the control group and this was statistically significant (<jats:italic>p<\/jats:italic>\u2009=\u2009.0001*p\u2009=\u2009.05*<jats:italic>p<\/jats:italic>\u2009=\u2009.0001). Both the REM(rapid eye movement) and REM latency were highest among brain stem stroke, and this was statistically significant <jats:italic>p<\/jats:italic>\u2009=\u2009.043*, <jats:italic>p<\/jats:italic>\u2009=\u2009.0.001*.cortical infarcts showed higher AHI (apnea hypopnea index)and this was statistically significant <jats:italic>p<\/jats:italic>\u2009=\u20090.002* Limb movement index was higher among sizable size stroke and this was statistically significant (<jats:italic>p<\/jats:italic>\u2009=\u20090.038). NIHSS National Institutes of Health Stroke Scale after 1\u00a0month follow up showed a significant indirect correlation with the lowest oxygen saturation during sleep (<jats:italic>p<\/jats:italic>\u2009=\u20090.047). Lowest oxygen saturation was lowest among sizable stokes and desaturation index was highest among sizable size strokes both were statistically significant p\u2009=\u20090.006. NIHSS2 had a significant negative correlation with the lowest oxygen saturation during sleep <jats:italic>p<\/jats:italic>\u2009=\u20090.047.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The microstructure of sleep is significantly impacted by cerebrovascular stroke. Brain stem strokes had the highest REM and REM latency, while cortical strokes had the highest moderate-to-severe AHI. Sizable strokes displayed increased indices of limb movement, desaturation, and oxygen saturation.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12883-023-03438-6","type":"journal-article","created":{"date-parts":[[2023,10,26]],"date-time":"2023-10-26T07:02:21Z","timestamp":1698303741000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Impact of site, size and severity of ischemic cerebrovascular stroke on sleep in a sample of Egyptian patients a polysomnographic study"],"prefix":"10.1186","volume":"23","author":[{"given":"Jaidaa","family":"Mekky","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadia","family":"Hafez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Osama El","family":"Kholy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Doaa","family":"Elsalamawy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9972-8397","authenticated-orcid":false,"given":"Dina","family":"Gaber","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,10,26]]},"reference":[{"issue":"3","key":"3438_CR1","doi-asserted-by":"publisher","first-page":"231","DOI":"10.1111\/j.1747-4949.2011.00760.x","volume":"7","author":"DM Wallace","year":"2012","unstructured":"Wallace DM, Ramos AR, Rundek T. 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IRB NO 00012098, FWA NO 00018699.A written informed consent was obtained from all subjects prior to recruitment to the study. All methods were carried out in accordance with relevant guidelines and regulations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"387"}}