SECUESTRO ÓSEO EN EL METATARSO DERECHO DE UN TORO RAZA CARORA
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Las fracturas del metatarso, son las más comunes en bovinos de cualquier edad. Sin embargo, cuando ocurre un trauma a este nivel, el hueso no siempre se fractura por completo, sino que se produce una fractura incompleta que deja una conminuta que puede convertirse en un secuestro. En el caso descrito, el animal sufrió un traumatismo con herida abierta, que provocó la fractura parcial de la diáfisis del metatarso del miembro posterior derecho en su cara medial. Luego de 50 días de evolución, al no ceder la claudicación, el toro fue remitido al Hospital Dr. Daniel Cabello de la Facultad de Ciencias Veterinarias de la Universidad Central de Venezuela, para su evaluación. La zona afectada presentaba una herida cicatrizada con drenaje de material seropurulento y aumento de tamaño indurado. No se determinó crepitación a la palpación y reveló presencia de dolor agudo. Se hizo un estudio radiológico que evidenció la presencia de un secuestro óseo en la diáfisis proximal del metatarso y un proceso de osificación alrededor de la zona fracturada con evidencia radiográfica de osteomielitis. El paciente fue sometido a cirugía para la remoción del secuestro, debridamiento del callo óseo y limpieza de la superficie del metatarso. La evolución fue satisfactoria y el animal recobró su condición 45 días luego del proceso quirúrgico. El secuestro extraído fue de 6cm x 3cm x 3mm de espesor, por lo que se consideró que sólo la corteza del metatarso fue afectada. El animal retornó al servicio por monta natural 60 días posteriores a la cirugía y no acusó ningún tipo de dolor ni claudicación durante dicha actividad. En este paciente, el proceso de osteomielitis cedió a la aplicación de antibióticos postquirúrgicos con Florfenicol y Enrofloxacina, la herida quirúrgica cicatrizó por segunda intención con tratamiento local y la recuperación del hueso fue total.
Right Metatarsal Osseous Sequestrum in a Carora Breed Bull
ABSTRACT
The metatarsus fractures are the most common accidents in bovines of any age. Nevertheless, when a trauma occurs at this level, the bone not always fractures totally, but that takes place an incomplete fracture that leaves a comminute that can become a sequestrum. In the described case, the animal underwent a traumatism with opened wound, that caused the partial fracture of the diaphysis of metatarsus of the pelvic limb at its medial face. After 50 days of evolution, and not yielding the claudication, the bull was sent to the Hospital Dr. Daniel Cabello of the School of Veterinary Medicine of the Universidad Central de Venezuela, for its evaluation. The affected zone displayed a wound healed with seropurulent drainage and hardened size increase. To the palpation crackle was not detected but revealed the presence of acute pain. A radiological study was performed that showed the presence of an osseous sequestrum in the proximal diaphysis of metatarsus and an ossification process around the fractured zone with so radiographic evidence of osteomyelitis. The patient was put under surgery for the removal of the sequestrum, debridle of the osseous callus of fibrous tissues and cleaning the surface of metatarsus. The evolution was satisfactory and the animal soon recovered its condition in 45 days after the surgical process. The extracted sequestrum was 6cm x 3cm x 3mm of thickness, that is why it was considered that only the cortex of the metacarpus was affected. The animal returned to service by natural breeding 60 days after surgery and it did not accused any type of pain nor claudication during the conducted services. In this patient the osteomyelitis process yielded to the application of post surgical antibiotics with Florfenicol and Enrofloxacina, the surgical wound healed by second intention with local treatment and the recovery of the bone was total.
Right Metatarsal Osseous Sequestrum in a Carora Breed Bull
ABSTRACT
The metatarsus fractures are the most common accidents in bovines of any age. Nevertheless, when a trauma occurs at this level, the bone not always fractures totally, but that takes place an incomplete fracture that leaves a comminute that can become a sequestrum. In the described case, the animal underwent a traumatism with opened wound, that caused the partial fracture of the diaphysis of metatarsus of the pelvic limb at its medial face. After 50 days of evolution, and not yielding the claudication, the bull was sent to the Hospital Dr. Daniel Cabello of the School of Veterinary Medicine of the Universidad Central de Venezuela, for its evaluation. The affected zone displayed a wound healed with seropurulent drainage and hardened size increase. To the palpation crackle was not detected but revealed the presence of acute pain. A radiological study was performed that showed the presence of an osseous sequestrum in the proximal diaphysis of metatarsus and an ossification process around the fractured zone with so radiographic evidence of osteomyelitis. The patient was put under surgery for the removal of the sequestrum, debridle of the osseous callus of fibrous tissues and cleaning the surface of metatarsus. The evolution was satisfactory and the animal soon recovered its condition in 45 days after the surgical process. The extracted sequestrum was 6cm x 3cm x 3mm of thickness, that is why it was considered that only the cortex of the metacarpus was affected. The animal returned to service by natural breeding 60 days after surgery and it did not accused any type of pain nor claudication during the conducted services. In this patient the osteomyelitis process yielded to the application of post surgical antibiotics with Florfenicol and Enrofloxacina, the surgical wound healed by second intention with local treatment and the recovery of the bone was total.
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