{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T09:50:03Z","timestamp":1791366603104,"version":"4.3.1"},"reference-count":20,"publisher":"Georg Thieme Verlag KG","issue":"03","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":127,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ortop (Sao Paulo)"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>Resumo<\/jats:title>\n                  <jats:p>Comparar a magnitude do afundamento entre hastes femorais de cunha \u00fanica (CU) e dupla (CD) em artroplastias totais do quadril (ATQs) prim\u00e1rias e identificar fatores associados a afundamentos clinicamente relevantes.<\/jats:p>\n                  <jats:p>Estudo de coorte retrospectiva com 82 pacientes (164 quadris) submetidos a ATQ bilateral entre 2012 e 2022, cada um recebendo haste tipo I (Corail) e II (Summit), ambas fabricadas pela DePuy Synthes. O afundamento foi mensurado radiograficamente at\u00e9 6 meses de p\u00f3s-operat\u00f3rio, sendo considerado clinicamente relevante quando superior a 3\u2009mm. Vari\u00e1veis radiogr\u00e1ficas inclu\u00edram o \u00edndice de alargamento cortical (IAC) e a taxa de preenchimento do canal (TPC). As an\u00e1lises estat\u00edsticas inclu\u00edram teste t pareado, regress\u00e3o log\u00edstica e correla\u00e7\u00e3o de Spearman.<\/jats:p>\n                  <jats:p>O afundamento m\u00e9dio foi de 1,93\u2009\u00b1\u20091,16\u2009mm nas hastes tipo I e 2,23\u2009\u00b1\u20091,57\u2009mm nas tipo II (p\u2009=\u20090,181). Afundamentos clinicamente relevantes ocorreram em 18,2% das hastes tipo I e 31,7% das tipo II (OR\u2009=\u20092,07; p\u2009=\u20090,050). Observou-se maior afundamento na primeira cirurgia em artroplastias bilaterais (p\u2009=\u20090,006). N\u00e3o houve correla\u00e7\u00e3o significativa entre afundamento e idade, IMC, IAC ou TPC.<\/jats:p>\n                  <jats:p>As hastes de CD apresentaram maior risco de afundamento clinicamente relevante. Em ATQs bilaterais, o afundamento \u00e9 mais pronunciado na primeira cirurgia, sem influ\u00eancia detect\u00e1vel de fatores demogr\u00e1ficos ou radiogr\u00e1ficos.<\/jats:p>","DOI":"10.1055\/s-0046-1825543","type":"journal-article","created":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T08:39:45Z","timestamp":1791362385000},"page":"001-005","source":"Crossref","is-referenced-by-count":0,"title":["Afundamento da haste femoral em artroplastia total do quadril: Compara\u00e7\u00e3o entre princ\u00edpios de fixa\u00e7\u00e3o"],"prefix":"10.1055","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-5442-0522","authenticated-orcid":false,"given":"Andr\u00e9 N. B. 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