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Transferrin Saturation, Serum Ferritin, and C-Reactive Protein vs. Serum Ferritin for an optimal Iron Deficiency Diagnosis in Candidates for Bariatric Surgery.
Muñoz, M Patricia Sánchez; Ramirez, Zuleyma P Bello; Rodriguez, Eduardo L Martínez; Blandón, José D Reyes; Aguiñaga, Soledad Aldana; Orozco, César A Ortiz; Yáñez, Allison R Esparza.
Afiliação
  • Muñoz MPS; Bariatric and Metabolic Surgery Clinic, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico.
  • Ramirez ZPB; Bariatric and Metabolic Surgery Clinic, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico. zuleymabello@hotmail.com.
  • Rodriguez ELM; Bariatric and Metabolic Surgery Clinic, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico.
  • Blandón JDR; Bariatric and Metabolic Surgery Clinic, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico.
  • Aguiñaga SA; Bariatric and Metabolic Surgery Clinic, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico.
  • Orozco CAO; General Surgery Department, The Civil Hospital of Guadalajara "Dr Juan I. Menchaca", Salvador Quevedo and Zubieta 750, Eastern Independence, C.P: 44340, Guadalajara, Jalisco, Mexico.
  • Yáñez ARE; University Center for Biological and Agricultural Sciences, University of Guadalajara, Ramón Padilla Sanchez 2100, The Needles, C.P: 44600, Zapopan, Jalisco, Mexico.
Obes Surg ; 34(4): 1174-1184, 2024 Apr.
Article em En | MEDLINE | ID: mdl-38367125
ABSTRACT

INTRODUCTION:

Iron has different physiological processes and is regulated by hepcidin that is also an acute phase reactant, which increases with inflammation. Obesity produces a pro-inflammatory state, affecting directly the normal regulation of iron, causing ferritin (FER) deficiency. FER is used as the only indicator of the status of iron in patients with obesity, so the majority of them would be underdiagnosed, leading to a high prevalence of iron deficiency (ID) and anemia. The aim of this study is to evaluate the diagnostic tests transferrin saturation (TS), FER, and C-reactive protein (CRP) vs. FER with the objective of analyzing the most accurate variable for the diagnosis of ID. MATERIALS AND

METHODS:

We present a cross-sectional, analytical, and retrospective study, evaluating the diagnostic tests in 96 patients, to whom two methods were applied for the diagnosis of ID method 1 (FER < 30 ng/mL) and method 2 divided into 2A (FER < 30 ng/mL), 2B (FER 30-100 ng/mL + CRP ≥ 5 mg/L), 2C (FER 100-300 ng/mL + CRP ≥ 5 mg/L + TS < 20%), and 2D (TS < 20%).

RESULTS:

The prevalence of ID obtained using method 1 was 30.2% while 69.8% presented ID using total method 2, confirming an underdiagnosis of 39.6%.

CONCLUSION:

The inflammatory state in patients with obesity must be considered in the diagnosis of ID. The use of TS, FER, and CRP has greater validity than the use of serum FER for the diagnosis of ID in patients with obesity.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Obesidade Mórbida / Transferrina / Anemia Ferropriva / Cirurgia Bariátrica / Deficiências de Ferro Limite: Humans Idioma: En Revista: Obes Surg Assunto da revista: METABOLISMO Ano de publicação: 2024 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Obesidade Mórbida / Transferrina / Anemia Ferropriva / Cirurgia Bariátrica / Deficiências de Ferro Limite: Humans Idioma: En Revista: Obes Surg Assunto da revista: METABOLISMO Ano de publicação: 2024 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos