HEATSTROKE IN BRACHYCEPHALIC DOGS AFTER A PETSHOP VISIT - REPORT OF TWO CASES

Autores/as

  • Bethânia Almeida Gouveia Universidade de São Paulo https://orcid.org/0000-0001-5378-4222
  • Priscila de Lisboa Santos Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
  • Fernanda Ramalho Ramos Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
  • Cláudia de Souza Silva Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
  • Mariana Klein Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
  • Marina Carla Bezerra da Silva Department of Veterinary Pathology Western College of Veterinary Medicine
  • Rosemeri de Oliveira Vasconcelos Departamento de Patologia, Reprodução e Saúde Única, UNESP/FCAV, Jaboticabal, SP

DOI:

https://doi.org/10.3738/21751463.4085

Palabras clave:

Calor, hipertermia, choque cardiorrespiratório, estresse.

Resumen

Heatstroke is a fatal syndrome that develops in cases where there is an increase in body temperature when extrinsic and intrinsic heat production exceeds the ability to dissipate heat. Brachycephalic dogs are more likely to develop heatstroke. However, lack of adequate acclimatization, and exposure to a hot environment, especially with high humidity, are considered predisposing factors. Heatstroke is an increase in body temperature above 41ºC. It is associated with dysfunctions of the Central Nervous System (CNS) and the production of inflammatory mediators that initiate and modulate the acute phase response, activating the endothelium, which culminates in coagulation and fibrinolysis, similar to what occurs in sepsis. This paper describes two cases of heatstroke in brachycephalic dogs treated at a pet shop. After the consultations, the animals were panting, and one of them had an increase in body temperature (42.9ºC). Both died and were referred to the Veterinary Pathology Service (SPV) of UNESP-FCAV, Campus of Jaboticabal-SP. During the necroscopic examination, the main findings were hemorrhage in subcutaneous tissue, frothy fluid in the trachea and lungs, and diffusely reddened parenchymal organs. Microscopic examination showed pulmonary edema, congestion, and hemorrhage in multiple organs. The cause of death was a cardiorespiratory shock. This paper shows the importance of strict temperature control environments in pet shops and animal transport vehicles, especially when it comes to brachycephalic dogs, to avoid the development of Heatstroke, a fatal syndrome. KEYWORDS: Heat, hyperthermia, cardiorespiratory shock, stress.

Biografía del autor/a

  • Bethânia Almeida Gouveia, Universidade de São Paulo
    Mestranda no Programa de Patologia Experimental e Comparada - FMVZ/USP.
  • Priscila de Lisboa Santos, Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
    Residente do Programa de Residência em Área Profissional da Saúde – Medicina Veterinária e Saúde, subárea de Patologia Animal
  • Fernanda Ramalho Ramos, Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
    Residente do Programa de Residência em Área Profissional da Saúde – Medicina Veterinária e Saúde, subárea de Patologia Animal
  • Cláudia de Souza Silva, Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
    Residente do Programa de Residência em Área Profissional da Saúde – Medicina Veterinária e Saúde, subárea de Patologia Animal
  • Mariana Klein, Faculdade de Ciências Agrárias e Veterinárias (UNESP-FCAV)
    Residente do Programa de Residência em Área Profissional da Saúde – Medicina Veterinária e Saúde, subárea de Patologia Animal
  • Marina Carla Bezerra da Silva, Department of Veterinary Pathology Western College of Veterinary Medicine
    MSc student at Department of Veterinary Pathology - Western College of Veterinary Medicine
  • Rosemeri de Oliveira Vasconcelos, Departamento de Patologia, Reprodução e Saúde Única, UNESP/FCAV, Jaboticabal, SP
    Professor Assistente Doutor da FACULDADE DE CIENCIAS AGRARIAS E VETERINARIAS (FCAV/UNESP)

Publicado

2023-06-01

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