{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T04:30:12Z","timestamp":1775017812482,"version":"3.50.1"},"reference-count":34,"publisher":"FapUNIFESP (SciELO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq Bras Endocrinol Metab"],"published-print":{"date-parts":[[2007,4]]},"abstract":"<jats:p>A ocorr\u00eancia de fraturas osteopor\u00f3ticas em idosos est\u00e1 relacionada \u00e0s concentra\u00e7\u00f5es reduzidas de vitamina D e conseq\u00fcente hiperparatiroidismo secund\u00e1rio, sendo os institucionalizados de maior risco. No Brasil, por seu alto grau de insola\u00e7\u00e3o, infere-se que a quantidade de vitamina D da popula\u00e7\u00e3o seja adequada. Neste estudo, objetivamos avaliar as concentra\u00e7\u00f5es plasm\u00e1ticas de 25-hidroxivitamina D (25OHD), paratorm\u00f4nio (PTH) e c\u00e1lcio ionizado (Cai), assim como analisar a preval\u00eancia de hipovitaminose D e de hiperparatiroidismo secund\u00e1rio em idosos moradores da cidade de S\u00e3o Paulo. Estudamos 177 pacientes institucionalizados (125 mulheres e 52 homens) com idade m\u00e9dia (DP) de 76,6 (9,0) anos, e 243 idosos ambulatoriais (168 mulheres e 75 homens) com 79,1 (5,9) anos. Nesta avalia\u00e7\u00e3o, 71,2% do grupo institucionalizado e 43,8% do ambulatorial possu\u00edam valores de 25OHD menores do que o m\u00ednimo recomendado (50 nmol\/l), sendo que as mulheres apresentaram valores consideravelmente mais baixos que os homens. O hiperparatiroidismo secund\u00e1rio ocorreu em 61,7% dos pacientes institucionalizados e em 54% dos ambulatoriais. Considerando os resultados obtidos, recomendamos a suplementa\u00e7\u00e3o com doses eficientes de vitamina D para a popula\u00e7\u00e3o idosa brasileira, alem de sugerir uma discuss\u00e3o para a implementa\u00e7\u00e3o de pol\u00edticas de fortifica\u00e7\u00e3o alimentar com vitamina D, especialmente direcionada \u00e0queles com maior risco.<\/jats:p>","DOI":"10.1590\/s0004-27302007000300012","type":"journal-article","created":{"date-parts":[[2007,11,16]],"date-time":"2007-11-16T03:15:43Z","timestamp":1195182943000},"page":"437-442","source":"Crossref","is-referenced-by-count":63,"title":["Preval\u00eancia da defici\u00eancia, insufici\u00eancia de vitamina D e hiperparatiroidismo secund\u00e1rio em idosos institucionalizados e moradores na comunidade da cidade de S\u00e3o Paulo, Brasil"],"prefix":"10.1590","volume":"51","author":[{"given":"Gabriela Luporini","family":"Saraiva","sequence":"first","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maysa Seabra","family":"Cendoroglo","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luiz Roberto","family":"Ramos","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lara Miguel Quirino","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Gilberto H.","family":"Vieira","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00e9rgio Setsuo","family":"Maeda","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vict\u00f3ria Z.C.","family":"Borba","sequence":"additional","affiliation":[{"name":"Universidade Federal do Paran\u00e1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ilda","family":"Kunii","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lillian F.","family":"Hayashi","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marise","family":"Lazaretti-Castro","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"issue":"5","key":"ref1","doi-asserted-by":"crossref","first-page":"2024","DOI":"10.1210\/jcem.87.5.8475","article-title":"Seasonal changes in calciotropic hormones, bone markers and bone mineral density in elderly women","volume":"87","author":"Rapuri PB","year":"2002","journal-title":"J Clin Endocrinol Metab","ISSN":"https:\/\/id.crossref.org\/issn\/0021-972X","issn-type":"print"},{"issue":"5","key":"ref2","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1590\/S0034-89101998000500001","article-title":"Two-year follow-up study of elderly residents in S. 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