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Archivos de medicina veterinaria

versión impresa ISSN 0301-732X

Resumen

TORRES, P.. Megaesófago en el perro. Revisión bibliográfica y proposición de una nueva clasificación. Arch. med. vet. [online]. 1997, vol.29, n.1, pp.13-23. ISSN 0301-732X.  http://dx.doi.org/10.4067/S0301-732X1997000100002.

When studying the esophagus in both human beings and animals, the most common pathological finding is a megaesophagus. From a pathological stand point megaesophagus can be defined as an abnormal dilatation which can be partial or total. The clinical characteristic of this disorder is the regurgitation syndrome due to insufficient esophageal transit, accompanied by nutritional and growth deficiencies, in puppies, with weight loss, nutritional deficiences as well as pulmonary complications due to pneumonia by aspiration in adult dogs. This pathology has diverse origins which can be classified into two groups: a) a transit disorder due to an anatomical alteration of the esophageal wall, for example stenosis by scarring, persistence of the aortic arch, tumors, etc. b) a transit disorder due to functional alteration of the autonomic nervous system. The present work gives a bibliographic review of the subject, proposes a new classification of the different types of megaesophagus, its etiology, clinical treatment, prognosis, and a working scheme that will aid in the differential diagnosis.

Palabras clave : megaesophagus; review; new classification.

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