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Prevalence of low bone mineral density in adolescents and adults with cystic fibrosis / Prevalência de densidade mineral óssea baixa em adolescentes e adultos com fibrose cística
Vanacor, Roberta; Raimundo, Fabiana V.; Marcondes, Natália A.; Corte, Bruno P.; Ascoli, Aline M.; Azambuja, Aline Z. de; Scopel, Luciano; Santos, Patrícia V. dos; Dalcin, Paulo T. R.; Faulhaber, Gustavo A. M.; Furlanetto, Tânia W..
  • Vanacor, Roberta; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Raimundo, Fabiana V.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Marcondes, Natália A.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Corte, Bruno P.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Ascoli, Aline M.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Azambuja, Aline Z. de; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Scopel, Luciano; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Santos, Patrícia V. dos; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Dalcin, Paulo T. R.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Faulhaber, Gustavo A. M.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
  • Furlanetto, Tânia W.; Federal University of Rio Grande do Sul. Medical Sciences. Medicine. Postgraduate Program. Porto Alegre. BR
Rev. Assoc. Med. Bras. (1992) ; 60(1): 53-58, Jan-Feb/2014. tab, graf
Article in English | LILACS | ID: lil-710319
ABSTRACT
Objective The aim of this cross-sectional study was to evaluate the prevalence of low bone mass density in cystic fibrosis patients as well as to evaluate the factors associated with bone mass in such patients. Methods Bone mass density was measured by dual-photon X-ray absorptiometry of lumbar spine (L1-L4), in patients ≤19 years old, or lumbar spine and femur (total and neck) in patients ≥20 years old. Evaluations of nutritional status, biochemical parameters, and lung function were performed. Medication data were obtained from medical records. Results Fifty-eight patients were included in the study (25 males/ 33 females), mean age 23.9 years (16-53years). The prevalence of bone mass below the expected range for age at any site was 20.7%. None of the subjects had history of fracture. Lumbar spine Z-score in cystic fibrosis patients correlated positively with body mass index (r= 0.3, p=0.001), and forced expiratory volume in the first second (% predicted) (r=0.415, p=0.022). Mean lumbar spine Z-score was higher in women (p=0.001), in patients with no pancreatic insufficiency (p=0.032), and in patients with no hospitalization in the last 3 months (p=0.02). After multivariate analysis, body mass index (p= 0.001) and sex (p=0.001) were independently associated with Z-score in lumbar spine. Conclusion Low bone mass is a frequent problem in patients with CF, being independently associated with body mass index, and male sex. .
RESUMO
Objetivo Determinar a prevalência de massa óssea baixa em pacientes adolescentes e adultos com fibrose cística e estudar os fatores potencialmente associados. Métodos Densidade mineral óssea foi determinada por absorciometria por dupla emissão de raios X na coluna lombar em pacientes ≤ 19 anos e na coluna e no fêmur em pacientes ≥ 20 anos. Avaliações nutricionais, bioquímicas e pulmonares foram realizadas. Dados referentes ao tratamento farmacológico foram coletados. Resultados 58 pacientes foram incluídos no estudo (25 homens/33 mulheres), média de idade de 23,9 anos (16-53). Massa óssea abaixo da esperada foi verificada em 20,7% dos pacientes. Não houve histórico de fratura. Z-score da coluna lombar associou-se positivamente com índice de massa corporal (r=0,3; p=0,022), volume expiratório forçado (% previsto) (r=0,415; p=0,001). A média do Z-score da coluna foi mais alta nas mulheres que nos homens (p=0,001), em pacientes que não possuíam insuficiência pancreática (p=0,02) e em pacientes que não haviam sido hospitalizados nos últimos três meses (p=0,032). Os fatores encontrados como preditores independentes de Z-score da coluna lombar foram sexo masculino (p=0,001) e índice de massa corporal (p=0,001). Conclusão Massa óssea baixa é frequente em pacientes com FC, estando associada independentemente com índice de massa corporal e sexo masculino. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Bone Diseases, Metabolic / Bone Density / Cystic Fibrosis Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors / Screening study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Bone Diseases, Metabolic / Bone Density / Cystic Fibrosis Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors / Screening study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul/BR