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Nutrients 2017, 9(9), 989; doi:10.3390/nu9090989

Relationship between the Nutritional Status of Vitamin A per Trimester of Pregnancy with Maternal Anthropometry and Anemia after Roux-en-Y Gastric Bypass

1
School of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro 21.941-902, Brazil
2
Center for Research on Micronutrients (NPqM), Institute of Nutrition Josué de Castro of UFRJ, Rio de Janeiro 21.941-902, Brazil
3
Fluminense Federal University (UFF), Rio de Janeiro 24.020-150, Brazil
4
Multidisciplinary Center for Bariatric and Metabolic Surgery, Rio de Janeiro 22280-020, Brazil
5
Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo 04.021-001, Brazil
6
Fundação Oswaldo Cruz (ENSP/FIOCRUZ), Rio de Janeiro 21040-900, Brazil
7
Department of Social and Applied Nutrition of the Institute of Nutrition, UFRJ, Rio de Janeiro 21.941-902, Brazil
*
Author to whom correspondence should be addressed.
Received: 19 July 2017 / Revised: 25 August 2017 / Accepted: 4 September 2017 / Published: 8 September 2017
(This article belongs to the Special Issue Nutrition and Bariatric Surgery)
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Abstract

The aim of this study was to compare the nutritional status of vitamin A per trimester of pregnancy, as well as to assess its influence on pre-pregnancy BMI, total gestational weight gain (TGWG) and presence of anemia in women who had previously undergone Roux-en-Y gastric bypass (RYGB). An analytical, longitudinal and retrospective study comprising 30 pregnant women who had previously undergone RYGB was undertaken. In all trimesters of pregnancy, the serum concentrations of retinol, β-carotene, stages of vitamin A deficiency (VAD), night blindness (NB), anemia and anthropometric variables were assessed. VAD in pregnancy affected 90% of women, 86.7% developed NB and 82.8% had mild VAD. TGWG above/below the recommended range was related to the low serum concentrations of β-carotene (p = 0.045) in the second trimester and women with TGWG above the recommended range showed 100% of inadequacy of this nutrient in the third trimester. Among the pregnant women with anemia, 90.9% had VAD and 86.4% had NB. This study highlights the importance of monitoring the nutritional status of vitamin A in prenatal care, due to its relationship with TGWG and the high percentage of VAD and NB found since the beginning of pregnancy. It also reaffirms the use of the cut-off <1.05 μmol/L for determining VAD. View Full-Text
Keywords: pregnancy; Roux-en-Y gastric bypass; bariatric surgery; vitamin A; anemia pregnancy; Roux-en-Y gastric bypass; bariatric surgery; vitamin A; anemia
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Cruz, S.; Matos, A.; da Cruz, S.P.; Pereira, S.; Saboya, C.; Ramalho, A. Relationship between the Nutritional Status of Vitamin A per Trimester of Pregnancy with Maternal Anthropometry and Anemia after Roux-en-Y Gastric Bypass. Nutrients 2017, 9, 989.

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