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Correlation between pre and postoperative levels of glp-1/glp-2 and weight loss after roux-en-y gastric bypass: a prospective study / Correlação entre os níveis pré e pós-operatórios de glp-1/glp-2 e a perda de peso após o bypass gástrico em y-de-roux: um estudo prospectivo
Cazzo, Everton; Gestic, Martinho Antonio; Utrini, Murillo Pimentel; Pareja, José Carlos; Chaim, Elinton Adami; Geloneze, Bruno; Barreto, Maria Rita Lazzarini; Magro, Daniéla Oliveira.
  • Cazzo, Everton; Department of Surgery. BR
  • Gestic, Martinho Antonio; Department of Surgery. BR
  • Utrini, Murillo Pimentel; Department of Surgery. BR
  • Pareja, José Carlos; Department of Surgery. BR
  • Chaim, Elinton Adami; Department of Surgery. BR
  • Geloneze, Bruno; Department of Surgery. BR
  • Barreto, Maria Rita Lazzarini; Department of Surgery. BR
  • Magro, Daniéla Oliveira; Department of Surgery. BR
ABCD (São Paulo, Impr.) ; 29(4): 257-259, Oct.-Dec. 2016. tab
Article in English | LILACS | ID: biblio-837546
ABSTRACT
ABSTRACT

Background:

The role of gut hormones in glucose homeostasis and weight loss achievement and maintenance after bariatric surgery appears to be a key point in the understanding of the beneficial effects observed following these procedures.

Aim:

To determine whether there is a correlation between the pre and postoperative levels of both GLP-1 and GLP-2 and the excess weight loss after Roux-en-Y gastric bypass (RYGB).

Methods:

An exploratory prospective study which enrolled 11 individuals who underwent RYGB and were followed-up for 12 months. GLP-1 and GLP-2 after standard meal tolerance test (MTT) were determined before and after surgery and then correlated with the percentage of excess loss (%EWL).

Results:

GLP-2 AUC presented a significant postoperative increase (945.3±449.1 vs.1787.9±602.7; p=0.0037); GLP-1 AUC presented a non-significant trend towards increase after RYGB (709.6±320.4 vs. 1026.5±714.3; p=0.3808). Mean %EWL was 66.7±12.2%. There was not any significant correlation between both the pre and postoperative GLP-1 AUCs and GLP-2 AUCs and the %EWL achieved after one year.

Conclusion:

There was no significant correlation between the pre and postoperative levels of the areas under the GLP-1 and GLP-2 curves with the percentage of weight loss reached after one year.
RESUMO
RESUMO Racional O papel de hormônios gastrointestinais sobre a homeostase glicêmica e a obtenção e manutenção da perda de peso após a cirurgia bariátrica parece ser elemento fundamental na compreensão dos benefícios observados após estes procedimentos.

Objetivo:

Determinar se há correlação entre os níveis pré e pós-operatórios de GLP-1 e GLP-2 com a perda do excesso de peso após o bypass gástrico em Y-de-Roux.

Métodos:

Estudo prospectivo exploratório que envolveu 11 indivíduos submetidos ao bypass gástrico, acompanhados por 12 meses. Os níveis GLP-1 e GLP-2 após um teste de refeição padrão foram determinados antes e 12 meses após a operação e então foram correlacionados com o percentual de perda do excesso de peso.

Resultados:

Houve aumento significativo da área sob a curva do GLP-2 após a operação (945,3±449,1 vs. 1787,9±602,7; p=0,0037); a área sob a curva do GLP-1 apresentou tendência não-significativa à elevação após o procedimento (709,6±320,4 vs. 1026,5±714,3; p=0,3808). O percentual médio de perda de peso foi 66,7±12,2%.

Conclusão:

Não houve nenhuma correlação significativa entre os níveis pré e pós-operatórios das áreas sob as curvas de GLP-1 e GLP-2 com o percentual de perda de peso atingido após um ano.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Obesity, Morbid / Gastric Bypass / Weight Loss / Glucagon-Like Peptide 1 / Glucagon-Like Peptide 2 Type of study: Observational study / Prognostic study Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: ABCD (São Paulo, Impr.) Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Department of Surgery/BR

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Full text: Available Index: LILACS (Americas) Main subject: Obesity, Morbid / Gastric Bypass / Weight Loss / Glucagon-Like Peptide 1 / Glucagon-Like Peptide 2 Type of study: Observational study / Prognostic study Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: ABCD (São Paulo, Impr.) Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Department of Surgery/BR