Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/45722
Title: Deadly acute decompression sickness in Risso’s dolphins
Authors: Sierra Pulpillo, Eva María 
Diaz Delgado, Josue 
Sacchini, Simona 
Paz Sanchez, Yania 
Suarez Santana, Cristian Manuel 
Fernández Rodríguez, Antonio Jesús 
Arregui Gil, Marina 
Arbelo Hernández, Manuel Antonio 
Bernaldo De Quirós Miranda, Yara 
UNESCO Clasification: 240111 Patología animal
240118 Mamíferos
Keywords: Decompression Sickness
Diving
Air Embolism
Dolphins
Issue Date: 2017
Journal: Scientific Reports 
Abstract: Diving air-breathing vertebrates have long been considered protected against decompression sickness (DCS) through anatomical, physiological, and behavioural adaptations. However, an acute systemic gas and fat embolic syndrome similar to DCS in human divers was described in beaked whales that stranded in temporal and spatial association with military exercises involving high-powered sonar. More recently, DCS has been diagnosed in bycaught sea turtles. Both cases were linked to human activities. Two Risso’s dolphin (Grampus griseus) out of 493 necropsied cetaceans stranded in the Canary Islands in a 16-year period (2000–2015), had a severe acute decompression sickness supported by pathological findings and gas analysis. Deadly systemic, inflammatory, infectious, or neoplastic diseases, ship collision, military sonar, fisheries interaction or other type of lethal inducing associated trauma were ruled out. Struggling with a squid during hunting is discussed as the most likely cause of DCS.
URI: http://hdl.handle.net/10553/45722
ISSN: 2045-2322
DOI: 10.1038/s41598-017-14038-z
Source: Scientific Reports [ISSN 2045-2322], n. 7 (13621), p. 1-9
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