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Vitamin d deficiency and paratohommonium increase in late postoperative gastric bypass in roux-en-y / Deficiência de vitamina d e elevação do paratohôrmonio no pós-operatório tardio de bypass gástrico em y-de- roux
Mônaco-Ferreira, Daniela Vicinansa; Leandro-Merhi, Vânia Aparecida; Aranha, Nilton César; Brandalise, Andre; Brandalise, Nelson Ary.
  • Mônaco-Ferreira, Daniela Vicinansa; Pontifical Catholic University of Campinas. Graduate Program in Health Sciences. BR
  • Leandro-Merhi, Vânia Aparecida; Pontifical Catholic University of Campinas. Graduate Program in Health Sciences. BR
  • Aranha, Nilton César; Lane Clinic. Campinas. BR
  • Brandalise, Andre; Lane Clinic. Campinas. BR
  • Brandalise, Nelson Ary; Lane Clinic. Campinas. BR
ABCD (São Paulo, Impr.) ; 31(4): e1407, 2018. tab, graf
Article in English | LILACS | ID: biblio-973366
ABSTRACT
ABSTRACT

Background:

Roux-en-Y gastric bypass patients can experience changes in calcium metabolism and hyperparathyroidism secondary to vitamin D deficiency.

Aim:

To evaluate nutritional deficiencies related to the calcium metabolism of patients undergoing gastric bypass with a 10-year follow-up.

Method:

This is a longitudinal retrospective study of patients submitted to Roux-en-Y gastric bypass at a multidisciplinary clinic located in the Brazilian southeast region. The study investigated the results of the following biochemical tests serum calcium, ionized calcium, vitamin D, and parathormone (PTH). The generalized estimating equations (GEE) determined the nutritional deficiencies using a significance level of 5%.

Results:

Among the patients who finished the study (120 months), 82.86% (n=29) had vitamin D deficiency, and 41.94% (n=13) had high PTH. Postoperative time had a significant effect on PTH (p=0.0059). The percentages of patients with vitamin D, serum calcium, and ionized calcium deficiencies did not change significantly over time.

Conclusion:

One of the outcomes was vitamin D deficiency associated with secondary hyperparathyroidism. These findings reaffirm the importance of monitoring the bone metabolism of patients submitted to Roux-en-Y gastric bypass. HEADINGS Calcium deficiency. Vitamin D deficiency. Secondary hyperparathyroidism.
RESUMO
Resumo Racional Pacientes submetidos ao bypass gástrico em Y-de-Roux, podem apresentar alterações do metabolismo do cálcio e hiperparatireoidismo secundário à deficiência de vitamina D.

Objetivo:

Avaliar as deficiências nutricionais relacionadas ao metabolismo do cálcio de pacientes submetidos à bypass gástrico em Y-de-Roux, com seguimento de 10 anos.

Método:

Um estudo retrospectivo longitudinal foi conduzido com pacientes submetidos à bypass gástrico em Y-de-Roux, em uma Clínica Multidisciplinar no Sudeste do Brasil. Investigou-se a frequência do acompanhamento médico e nutricional e os exames bioquímicos de cálcio sérico, cálcio iônico, vitamina D e paratormônio (PTH). Para a análise das deficiências nutricionais, foram utilizadas as Equações de Estimativas Generalizadas (EEG), com nível de significância de 5%.

Resultados:

Dos pacientes que permaneceram no estudo até o final (120 meses), 82,86% (29), apresentaram níveis de deficiência de vitamina D e 41,94% (13) apresentaram PTH elevado. O efeito do tempo foi significativo para o PTH (p=0,0059). Para a vitamina D, cálcio sérico e cálcio iônico, o percentual de deficiência manteve-se constante ao longo do tempo, sem diferença significativa entre os tempos.

Conclusão:

A deficiência de vitamina D, associada ao hiperparatireoidismo secundário, foi um desfecho encontrado. Tais achados reafirmam a importância do cuidado com o metabolismo ósseo, em pacientes submetidos à bypass gástrico em Y-de-Roux.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Parathyroid Hormone / Vitamin D Deficiency / Gastric Bypass / Calcium / Malnutrition / Hyperparathyroidism Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: ABCD (São Paulo, Impr.) Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Lane Clinic/BR / Pontifical Catholic University of Campinas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Parathyroid Hormone / Vitamin D Deficiency / Gastric Bypass / Calcium / Malnutrition / Hyperparathyroidism Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: ABCD (São Paulo, Impr.) Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Lane Clinic/BR / Pontifical Catholic University of Campinas/BR