{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T12:52:35Z","timestamp":1789822355091,"version":"4.0.1"},"reference-count":0,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T00:00:00Z","timestamp":1697155200000},"content-version":"vor","delay-in-days":2080,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sleep Sci"],"published-print":{"date-parts":[[2018,2]]},"abstract":"<jats:p>\n          Introduction: Mountaineers exposed to hypobaric hypoxia (HH) show high-altitude periodic breathing (PB).<\/jats:p><jats:p>\n          Objective: To analyze high-altitude PB during the ascent of Mount Aconcagua (Argentina).<\/jats:p><jats:p>\n          Materials and Methods: Descriptive study in healthy volunteers using respiratory polygraphy (RP) at different altitudes.<\/jats:p><jats:p>\n          Results: We studied 8 andinist, mean age: 36 years old (25-51), body mass index (BMI) of 23.6 (20.9-28.7) and 22.77 (20.9-27.7) upon return,p&lt;0.01. RP without PB showed a lower Oxygen Desaturation Index (ODI) and a lower Apnea-Hypopnea-Index (AHI); 5.43 (0 - 20) versus 45.95 (2-122) p&lt;0.001 and 3.9 (0-15.5) versus 44.35 (4-115) p&lt;0.001. AHI increased with altitude at the expense of central apneas and hypopneas: p&lt;0.05.<\/jats:p><jats:p>\n          Conclusion: High-altitude PB is frequent above 2,581m.a.s.l. And it is characterized by short cycles. None of the mountaineers showed PB at baseline; however, high-altitude PB occurred in all subjects above 4,900 m.a.s.l<\/jats:p>","DOI":"10.5935\/1984-0063.20180005","type":"journal-article","created":{"date-parts":[[2018,4,24]],"date-time":"2018-04-24T13:56:36Z","timestamp":1524578196000},"page":"20-24","source":"Crossref","is-referenced-by-count":5,"title":["Sleep respiratory disturbances during the ascent to Mount Aconcagua"],"prefix":"10.1055","volume":"11","author":[{"given":"Alvaro Emilio","family":"Ortiz-Naretto","sequence":"additional","affiliation":[{"name":"Hospital Francisco Mu\u00f1iz, Medicine Respiratory Unit - Buenos Aires City - Buenos Aires - Argentina."},{"name":"Asociaci\u00f3n Andina de Medicina para la Altura, Curso Medicina para la Altura - Mendoza City - Mendoza - Argentina."},{"name":"Hospital Brit\u00e1nico de Buenos Aires, Medicine Respiratory Unit - Buenos Aires City - Buenos Aires - Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miriam Patricia","family":"Pereiro","sequence":"additional","affiliation":[{"name":"Hospital Materno Infantil Ram\u00f3n Sarda, Central Laboratory - Buenos Aires City - Buenos Aires - Argentina."},{"name":"Asociaci\u00f3n Andina de Medicina para la Altura, Curso Medicina para la Altura - Mendoza City - Mendoza - Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Glenda","family":"Ernst","sequence":"additional","affiliation":[{"name":"Hospital Brit\u00e1nico de Buenos Aires, Medicine Respiratory Unit - Buenos Aires City - Buenos Aires - Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo Enrique","family":"Borsini","sequence":"additional","affiliation":[{"name":"Hospital Brit\u00e1nico de Buenos Aires, Medicine Respiratory Unit - Buenos Aires City - Buenos Aires - Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2023,10,13]]},"container-title":["Sleep Science"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.5935\/1984-0063.20180005.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,13]],"date-time":"2023-10-13T22:39:12Z","timestamp":1697236752000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.5935\/1984-0063.20180005"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,2]]},"references-count":0,"journal-issue":{"issue":"01","published-online":{"date-parts":[[2023,10,13]]},"published-print":{"date-parts":[[2018,2]]}},"URL":"https:\/\/doi.org\/10.5935\/1984-0063.20180005","archive":["Portico","CLOCKSS"],"relation":{},"ISSN":["1984-0659","1984-0063"],"issn-type":[{"value":"1984-0659","type":"print"},{"value":"1984-0063","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,2]]}}}