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Type: Artigo de periódico
Title: Iron Deficiency Anemia In Patients Submitted To Gastric Or Small Intestine Resection: Prevalence, Cause, Clinical Outcome, Diagnostic Workup And Prevention [deficiência De Ferro No Paciente Submetido à Ressecção Gástrica Ou Intestinal: Prevalência, Causas, Repercussões Clínicas, Abordagem Diagnóstica E Prevenção]
Author: Traina F.
Abstract: Iron deficiency anemia is associated with gastrectomy used in the treatment of peptic ulcers and gastric cancer, and also in bariatric surgery for the treatment of obesity. Bariatric surgery involves restrictive and bypass procedures, gastrectomy and small intestine resection. There are several reasons why iron deficiency occurs in these patients including: (1) diminished iron intake due to meat intolerance (2) diminished gastric acid secretion due to loss of parietal cells which impairs the solubilization of ferric iron to form ferrous iron and (3) exclusion of the duodenum with consequent elimination of the main site of iron absorption and restriction in the action of pancreatic enzymes to release iron bound to the heme. Early clinical evaluation and use of iron supplements may be effective to prevent iron deficiency anemia in this population. Patients who remain refractory to oral supplementation may require parenteral iron administration. All patients require periodical and lifelong follow-up of hematological and iron parameters.
Rights: aberto
Identifier DOI: 10.1590/S1516-84842010005000071
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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