Microvascular anatomy of canines stomach and gastric injury caused by nonsteroidalanti-inflammatory drugs

Authors

  • Karla Patrícia Cardoso Araújo Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Cirurgia, São Paulo, SP
  • Francisco Javier Hernandez Blazquez Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Cirurgia, São Paulo, SP

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26584

Keywords:

NSAIDs, Gastric damage, Microvascular anatomy, Prostaglandins, Blood flow

Abstract

The nonsteroidal antiinflammatory drugs (NSAIs) inhibit the synthesis of prostaglandins, with subsequent reduction of mucus and bicarbonate secretion by the gastric epithelium, reduction of the hydrophobicity of the epithelial layer, impairment of cellular restitution, reduction of the blood flow and increase of neutrophils adhesive properties. It has been known that the gastric lesions secondary to NSAIDs use are more often located in the antral piloric and lesser curvature regions of the stomach. The higher susceptibility of these regions can be explained by their microvascular anatomy, which presents capillaries that are narrower and more contorted than those observed in other regions of the stomach; they also are more separated one from the other and they have fewer anastomosis between the ascending capillaries, becoming more predisposed to thrombosis, and consequently to gastric injury.

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Published

2007-12-03

Issue

Section

UNDEFINIED

How to Cite

1.
Araújo KPC, Blazquez FJH. Microvascular anatomy of canines stomach and gastric injury caused by nonsteroidalanti-inflammatory drugs. Braz. J. Vet. Res. Anim. Sci. [Internet]. 2007 Dec. 3 [cited 2024 Oct. 4];44(supl.):14-8. Available from: https://www.revistas.usp.br/bjvras/article/view/26584