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Open AccessCase Report

Capture Myopathy and Stress Cardiomyopathy in a Live-Stranded Risso’s Dolphin (Grampus griseus) in Rehabilitation

Veterinary Histology and Pathology, Institute of Animal Health and Food Safety (IUSA), Veterinary School, University of Las Palmas de Gran Canaria, Arucas, 35416 Las Palmas de Gran Canaria, Spain
Department of Neuroscience, Imaging and Clinical Sciences, University G. D’Annunzio, 66100 Chieti, Italy
Author to whom correspondence should be addressed.
Animals 2020, 10(2), 220;
Received: 4 December 2019 / Revised: 25 January 2020 / Accepted: 27 January 2020 / Published: 29 January 2020
(This article belongs to the Section Aquatic Animals)
Free-living cetaceans are threatened, daily, by a wide variety of stressful situations. An example is provided by live-stranding, in which a cetacean is alive on the beach or in shallow water, and unable to free itself and resume its normal activity. This is the first case of capture myopathy and stress cardiomyopathy in a live-stranded juvenile male Risso’s dolphin (Grampus griseus) with subsequent rehabilitation attempted. Valuable use of blood samples, and finally necropsy assessments, advances our understanding about the pathology common in live-stranded cetaceans.
Capture myopathy (CM) is described in wild animals as a metabolic syndrome resulting from the extreme stress suffered during and after capture, handling, restraint, and transport. Although CM has been characterized in many species of cetaceans, descriptions of cardiac injury—an important component of this syndrome, and, according to previous authors, comparable to the existing human pathology so-called stress cardiomyopathy (SCMP)—are still rare. Therefore, the main aim of this report is to illustrate, for the first time, the biochemical analysis, and gross, histopathological, histochemical and immunohistochemical features of CM, and more specifically of the SCMP involved in this syndrome, caused by the live-stranding and consequent rehabilitation attempt, for a certain period of time, in a juvenile male Risso’s dolphin (Grampus griseus). The animal presented elevated values of creatine kinase, cardiac troponin I and blood urea nitrogen, with some variations during the rehabilitation period. Histologically, we detected vascular changes and acute degenerative lesions analogous to the ones observed in humans with SCMP. We consider this study to be an important contribution to the study of cetaceans since it could help in decision-making and treatment procedures during live-strandings and improve conservation efforts by reducing the mortality of these animals.
Keywords: animal conservation; animal welfare; cetaceans; biochemistry; histopathology; immunohistochemistry animal conservation; animal welfare; cetaceans; biochemistry; histopathology; immunohistochemistry
MDPI and ACS Style

Câmara, N.; Sierra, E.; Fernández, A.; Arbelo, M.; Bernaldo de Quirós, Y.; Arregui, M.; Consoli, F.; Herráez, P. Capture Myopathy and Stress Cardiomyopathy in a Live-Stranded Risso’s Dolphin (Grampus griseus) in Rehabilitation. Animals 2020, 10, 220.

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