Wrg Carvalho | Universidade Federal do Maranhão - UFMA (original) (raw)

Papers by Wrg Carvalho

Research paper thumbnail of Excesso de peso e fatores associados em adolescentes; Excess weight and associated factors in adolescents

Verificar a prevalência e os fatores associados ao excesso de peso em estudantes adolescentes em ... more Verificar a prevalência e os fatores associados ao excesso de peso em estudantes adolescentes em Rio Branco, Acre, Brasil.

Research paper thumbnail of Matura����o sexual em escolares de baixo n��vel socioecon��mico da cidade de Rio Branco-AC; Sexual maturation of schoolchildren with low socio-economic level from Rio Branco-AC

Research paper thumbnail of Influence of body composition on bone mass in children and adolescents

To evaluate the influence of body composition on bone mass in children and adolescents. Methods: ... more To evaluate the influence of body composition on bone mass in children and adolescents. Methods: A cross-sectional study with 267 healthy students of both sexes (141 males and 126 females) aged 8 to 18 years. Weight, height, body mass index, lean mass, fat mass, fat mass index, body fat percentage, waist and hip circumferences, and waist-to-hip ratio were evaluated. Bone mass was assessed using ultrasound of hand phalanges (DBM Sonic BP -IGEA, Carpi, Italy). Results: Females showed greater bone mass in relation to males with advances in age and pubertal stage. In both sexes, the bone mass showed significant and positive correlations with age, weight, height, body mass index, lean mass, waist and hip circumferences; and negative correlations with waist-to-hip ratio. In females, there was also a positive correlation with fat mass, fat mass index, and body fat percentage. Age and lean mass were predictors for bone mass in males, and age, pubertal stage and fat mass index were predictors in females.

Research paper thumbnail of Preliminary comparision between phalangeal quantitative ultrassonography and bone densitometry for bone mass evaluation in adolescents

... Farias I,IV ; Daniela de Oliveira Magro V ; Laís Mariana Ribeiro de Oliveira V ; Gil ... Aper... more ... Farias I,IV ; Daniela de Oliveira Magro V ; Laís Mariana Ribeiro de Oliveira V ; Gil ... Aperfeiçoamento de Pessoal de Nível Superior (Capes) pelas bolsas de doutorado (Wellington Roberto Gomes ... SP), Noemi Ruiz da Silva Pereira, e ao vice-diretor, Edinaldo Antonio Milan, bem ...

Research paper thumbnail of Maturação sexual em escolares de baixo nível socioeconômico da cidade de Rio Branco-AC; Sexual maturation of schoolchildren with low socio-economic level from Rio Branco-AC

... 6. Petroski EL, Duarte MFS, Matsudo VKR. Idade de menarca em escolares catarinenses. Rev Educ... more ... 6. Petroski EL, Duarte MFS, Matsudo VKR. Idade de menarca em escolares catarinenses. Rev Educ Física UEM 1983;4:3-6. 7. Petroski EL, De Bem MFL, Pires Neto CS. ... Am J Hum Biol 1994;6:451-454. 15. Vitalle MSS, Tamioka CY, Juliano Y, Amâncio OMS. ...

Research paper thumbnail of Composição corporal em mulheres com deficiência da 21-hidroxilase: comparação dos métodos antropométricos e de impedância bioelétrica em relação a um grupo controle; Body composition in females with 21-hydroxylase deficiency: comparison of anthropometric methods and bioelectric impedance in relat...

Research paper thumbnail of Influence of programmed physical activity on body composition among adolescent students

Objetivo: Verificar o efeito da atividade física programada na escola sobre a composição corporal... more Objetivo: Verificar o efeito da atividade física programada na escola sobre a composição corporal em escolares adolescentes durante 1 ano letivo.

Research paper thumbnail of A idade da menarca está diminuindo?; Is the age of menarche decreasing?

Rev. paul. pediatr, 2007

... seleciona. para imprimir. Fotocópia. experimental, Documentos relacionados. Id: 462329. Autor... more ... seleciona. para imprimir. Fotocópia. experimental, Documentos relacionados. Id: 462329. Autor: Carvalho, Wellington Roberto G. de; Farias, Edson Santos; Guerra Júnior, Gil. Título: A idade da menarca está diminuindo? / Is the age of menarche decreasing? Fonte: Rev. paul. ...

Research paper thumbnail of Performance of Phalangeal Quantitative Ultrasound Parameters in the Evaluation of Reduced Bone Mineral Density Assessed By DX in Patients with 21 Hydroxylase Deficiency

Ultrasound in Medicine & Biology, 2014

The purpose of this study was to verify the performance of quantitative ultrasound (QUS) paramete... more The purpose of this study was to verify the performance of quantitative ultrasound (QUS) parameters of proximal phalanges in the evaluation of reduced bone mineral density (BMD) in patients with congenital adrenal hyperplasia due to 21-hydroxylase deficiency (21 OHD). Seventy patients with 21 OHD (41 females and 29 males), aged between 6-27 y were assessed. The QUS measurements, amplitude-dependent speed of sound (AD-SoS), bone transmission time (BTT), and ultrasound bone profile index (UBPI) were obtained using the BMD Sonic device (IGEA, Carpi, Italy) on the last four proximal phalanges in the non-dominant hand. BMD was determined by dual energy X-ray (DXA) across the total body and lumbar spine (LS). Total body and LS BMD were positively correlated to UBPI, BTT and AD-SoS (correlation coefficients ranged from 0.59-0.72, p < 0.001). In contrast, when comparing patients with normal and low (Z-score < -2) BMD, no differences were found in the QUS parameters. Furthermore, UBPI, BTT and AD-SoS measurements were not effective for diagnosing patients with reduced BMD by receiver operator characteristic curve parameters. Although the AD-SoS, BTT and UBPI showed significant correlations with the data obtained by DXA, they were not effective for diagnosing reduced bone mass in patients with 21 OHD.

Research paper thumbnail of Excesso de peso e fatores associados em adolescentes; Excess weight and associated factors in adolescents

Verificar a prevalência e os fatores associados ao excesso de peso em estudantes adolescentes em ... more Verificar a prevalência e os fatores associados ao excesso de peso em estudantes adolescentes em Rio Branco, Acre, Brasil.

Research paper thumbnail of Matura����o sexual em escolares de baixo n��vel socioecon��mico da cidade de Rio Branco-AC; Sexual maturation of schoolchildren with low socio-economic level from Rio Branco-AC

Research paper thumbnail of Influence of body composition on bone mass in children and adolescents

To evaluate the influence of body composition on bone mass in children and adolescents. Methods: ... more To evaluate the influence of body composition on bone mass in children and adolescents. Methods: A cross-sectional study with 267 healthy students of both sexes (141 males and 126 females) aged 8 to 18 years. Weight, height, body mass index, lean mass, fat mass, fat mass index, body fat percentage, waist and hip circumferences, and waist-to-hip ratio were evaluated. Bone mass was assessed using ultrasound of hand phalanges (DBM Sonic BP -IGEA, Carpi, Italy). Results: Females showed greater bone mass in relation to males with advances in age and pubertal stage. In both sexes, the bone mass showed significant and positive correlations with age, weight, height, body mass index, lean mass, waist and hip circumferences; and negative correlations with waist-to-hip ratio. In females, there was also a positive correlation with fat mass, fat mass index, and body fat percentage. Age and lean mass were predictors for bone mass in males, and age, pubertal stage and fat mass index were predictors in females.

Research paper thumbnail of Preliminary comparision between phalangeal quantitative ultrassonography and bone densitometry for bone mass evaluation in adolescents

... Farias I,IV ; Daniela de Oliveira Magro V ; Laís Mariana Ribeiro de Oliveira V ; Gil ... Aper... more ... Farias I,IV ; Daniela de Oliveira Magro V ; Laís Mariana Ribeiro de Oliveira V ; Gil ... Aperfeiçoamento de Pessoal de Nível Superior (Capes) pelas bolsas de doutorado (Wellington Roberto Gomes ... SP), Noemi Ruiz da Silva Pereira, e ao vice-diretor, Edinaldo Antonio Milan, bem ...

Research paper thumbnail of Maturação sexual em escolares de baixo nível socioeconômico da cidade de Rio Branco-AC; Sexual maturation of schoolchildren with low socio-economic level from Rio Branco-AC

... 6. Petroski EL, Duarte MFS, Matsudo VKR. Idade de menarca em escolares catarinenses. Rev Educ... more ... 6. Petroski EL, Duarte MFS, Matsudo VKR. Idade de menarca em escolares catarinenses. Rev Educ Física UEM 1983;4:3-6. 7. Petroski EL, De Bem MFL, Pires Neto CS. ... Am J Hum Biol 1994;6:451-454. 15. Vitalle MSS, Tamioka CY, Juliano Y, Amâncio OMS. ...

Research paper thumbnail of Composição corporal em mulheres com deficiência da 21-hidroxilase: comparação dos métodos antropométricos e de impedância bioelétrica em relação a um grupo controle; Body composition in females with 21-hydroxylase deficiency: comparison of anthropometric methods and bioelectric impedance in relat...

Research paper thumbnail of Influence of programmed physical activity on body composition among adolescent students

Objetivo: Verificar o efeito da atividade física programada na escola sobre a composição corporal... more Objetivo: Verificar o efeito da atividade física programada na escola sobre a composição corporal em escolares adolescentes durante 1 ano letivo.

Research paper thumbnail of A idade da menarca está diminuindo?; Is the age of menarche decreasing?

Rev. paul. pediatr, 2007

... seleciona. para imprimir. Fotocópia. experimental, Documentos relacionados. Id: 462329. Autor... more ... seleciona. para imprimir. Fotocópia. experimental, Documentos relacionados. Id: 462329. Autor: Carvalho, Wellington Roberto G. de; Farias, Edson Santos; Guerra Júnior, Gil. Título: A idade da menarca está diminuindo? / Is the age of menarche decreasing? Fonte: Rev. paul. ...

Research paper thumbnail of Performance of Phalangeal Quantitative Ultrasound Parameters in the Evaluation of Reduced Bone Mineral Density Assessed By DX in Patients with 21 Hydroxylase Deficiency

Ultrasound in Medicine & Biology, 2014

The purpose of this study was to verify the performance of quantitative ultrasound (QUS) paramete... more The purpose of this study was to verify the performance of quantitative ultrasound (QUS) parameters of proximal phalanges in the evaluation of reduced bone mineral density (BMD) in patients with congenital adrenal hyperplasia due to 21-hydroxylase deficiency (21 OHD). Seventy patients with 21 OHD (41 females and 29 males), aged between 6-27 y were assessed. The QUS measurements, amplitude-dependent speed of sound (AD-SoS), bone transmission time (BTT), and ultrasound bone profile index (UBPI) were obtained using the BMD Sonic device (IGEA, Carpi, Italy) on the last four proximal phalanges in the non-dominant hand. BMD was determined by dual energy X-ray (DXA) across the total body and lumbar spine (LS). Total body and LS BMD were positively correlated to UBPI, BTT and AD-SoS (correlation coefficients ranged from 0.59-0.72, p < 0.001). In contrast, when comparing patients with normal and low (Z-score < -2) BMD, no differences were found in the QUS parameters. Furthermore, UBPI, BTT and AD-SoS measurements were not effective for diagnosing patients with reduced BMD by receiver operator characteristic curve parameters. Although the AD-SoS, BTT and UBPI showed significant correlations with the data obtained by DXA, they were not effective for diagnosing reduced bone mass in patients with 21 OHD.