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Folia Morphol (Warsz). 2019 Jul 8. doi: 10.5603/FM.a2019.0061. [Epub ahead of print]

Skeletopy of the intumescentia lumbalis and conus medullaris applied to epidural anesthesia in Leopardus geoffroyi.

Author information

1
Federal University of Pampa, BR 472, Km 585, Post box 118, 97501-970 Uruguaiana, Brazil.
2
Federal University of Pampa, BR 472, Km 585, Post box 118, 97501-970 Uruguaiana, Brazil. paulosouza@unipampa.edu.br.

Abstract

Leopardus geoffroyi is a neotropical wild felid with wide distribution in the south of the South American continent. The objective was to investigate the skeletopy of the intumescentia lumbalis (IL) and conus medullaris (CM) from eleven specimens of L. geoffroyi collected dead on highways. The cadavers were fixed in formaldehyde solution and dissected to allow the dorsal exposure of IL and CM. The cranial and caudal limits were marked with radiopaque pins and radiographic projections were used to determine the skeletopy. The lengths of IL and CM were measured with a pachymeter. In most specimens, the IL was located at the level of L4 and L5 vertebrae, although in four (one male and three female) individuals its cranial limit was L3 and in three specimens (two male and one female) the caudal limit was L6. The length of IL (ILL) was 35.6 ± 6.7 mm. The CM had its base predominantly at the level of the L5 vertebra, although in some specimens the base was in L4 and in others in L6. The apex of the CM can be found since the lumbosacral junction until the level of the Cd2 vertebra. The CM measured 74.4 ± 14.3 mm. Based on the skeletopy, it can be suggested that epidural anesthesia procedures in L. geoffroyi are safer with the introduction of the catheter through the sacrocaudal interarcual space, as recommended by some anesthetists for the domestic cat.

KEYWORDS:

Geoffroy’s cat; carnivorans; spinal cord; wild felids

PMID:
31282550
DOI:
10.5603/FM.a2019.0061
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