Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/45811
Título: Capture myopathy in live-stranded cetaceans
Autores/as: Herráez Thomas, Pedro Manuel 
Espinosa de los Monteros y Zayas, Antonio 
Fernández Rodríguez, Antonio Jesús 
Edwards ,John 
Sacchini , Simona 
Sierra Pulpillo, Eva María 
Clasificación UNESCO: 310907 Patología
Palabras clave: Capture myopathy
Cetaceans
Immunohistochemistry
Myoglobinuric nephrosis
Rhabdomyolysis
Fecha de publicación: 2013
Editor/a: 1090-0233
Publicación seriada: Veterinary Journal 
Resumen: A group of 51 cetaceans that had been stranded alive on the coasts of the Canary Islands, experienced human capture/rescue interactions and then died, were necropsied over a 12-year period. Of these cetaceans, 25 had haemodynamic lesions indicative of multiorganic vascular shock, degenerative muscle lesions affecting both skeletal and cardiac muscles and myoglobinuric nephrosis typical of capture myopathy (CM). Because macroscopic lesions in muscles and kidneys were not always obvious, a standard protocol was developed where the longissimus dorsi muscle was examined histologically for segmental hypercontraction, contraction band necrosis and segmental muscular degeneration and cardiomyocytes studied for hypereosinophilic wavy fibres, sarcolemmal and perinuclear vacuolation and contraction band necrosis. Light microscopic skeletal and cardiac muscle lesions in all CM animals were confirmed as ante mortem by immunohistochemical assay for myoglobin loss from and fibrinogen entry into affected myofibres. All animals had tubular nephrosis with casts and tubular myoglobin. The oxidative stress-related marker HSP70 was demonstrated immunohistochemically in tubular epithelium. Although the syndrome related to death of live-stranded cetaceans is multifactorial, this study documents that a clinicopathological syndrome comparable to CM of terrestrial wildlife has a role in stranding outcomes.
URI: http://hdl.handle.net/10553/45811
ISSN: 1090-0233
DOI: 10.1016/j.tvjl.2012.09.021
Fuente: Veterinary Journal [ISSN 1090-0233], v. 196, p. 181-188
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