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Hypopnoeas, defined as partial reductions in airflow, represent a significant proportion of respiratory events; however, inconsistencies in their scoring across various guidelines have affected disease classification and may lead to inappropriate treatment indications. This review examines the substantial impact that variations in hypopnoea definitions and the differentiation between central and obstructive hypopnoeas have on SRBD diagnosis in HF patients. The authors underscore the clinical and epidemiological importance of standardising hypopnoea scoring and advocate for the development of refined, HF-specific methodologies in SRBD assessment.<\/jats:p>","DOI":"10.15420\/cfr.2025.37","type":"journal-article","created":{"date-parts":[[2025,12,5]],"date-time":"2025-12-05T11:52:03Z","timestamp":1764935523000},"source":"Crossref","is-referenced-by-count":0,"title":["Impact of Hypopnoea Classifications on the Assessment of Sleep Disordered Breathing in Heart Failure"],"prefix":"10.15420","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2348-6918","authenticated-orcid":false,"given":"S\u00e9bastien","family":"Baillieul","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rx3b187","id-type":"ROR","asserted-by":"publisher"}],"name":"Universit\u00e9 Grenoble Alpes"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1128-6529","authenticated-orcid":false,"given":"Renaud","family":"Tamisier","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rx3b187","id-type":"ROR","asserted-by":"publisher"}],"name":"Universit\u00e9 Grenoble Alpes"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3832-2358","authenticated-orcid":false,"given":"Jean-Louis","family":"P\u00e9pin","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rx3b187","id-type":"ROR","asserted-by":"publisher"}],"name":"Universit\u00e9 Grenoble Alpes"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"6096","published-online":{"date-parts":[[2025,12,3]]},"reference":[{"key":"ref0","doi-asserted-by":"crossref","unstructured":"Khan MS, Shahid I, Bennis A, et al. 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