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  • Author or Editor: Gualtiero Gandini x
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Abstract

Objective—To describe the pulsed-wave Doppler tracing of the equine lateral palmar digital artery and its modification in relation to standardized changes in posture.

Animals—17 healthy Saddlebred horses.

Procedure—Pulsed-wave Doppler examinations of left and right lateral palmar digital arteries of the horses were performed. The baseline examination was performed on each forelimb while horses were standing squarely with the body weight equally distributed among the 4 limbs (BED position). For each forelimb, the examination was repeated during 3 standardized modifications of the horse's posture (non–weightbearing [NWB] position, full weight-bearing [FWB] position, and a position involving hyperextension of the distal interphalangeal joint [HE position]). In each position, mean values of systolic peak velocity, first and second diastolic peak velocity, end-diastolic velocity, mean velocity, and resistive index were calculated. Data obtained in each different posture were compared statistically.

Results—No significant differences in blood flow variables were detected between the left and right forelimbs. However, significant differences were detected in values of first diastolic velocity, second diastolic velocity, mean velocity, and resistive index between the NWB position and FWB position. Also, end-diastolic velocity in the NWB position was significantly different from that recorded in the HE position.

Conclusions and Clinical Relevance—The pulsedwave Doppler tracing of the equine lateral palmar digital artery was modified considerably with changes in posture. This suggests that the use of a precisely standardized posture for horses is required to obtain repeatable data. (Am J Vet Res 2004;65:1211–1215)

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in American Journal of Veterinary Research
History

A young adult 12-kg (26.4-lb) female mixed-breed dog housed in an animal shelter was referred to the teaching hospital of the Department of Veterinary Medical Sciences of the University of Bologna because of severe nonambulatory tetraparesis and abnormal mentation. The dog was found wandering 2 months before; at that time, the dog had mild paraparesis that slowly progressed to tetraparesis and recumbency. In the 2 weeks preceding the referral examination, additional clinical signs included obtunded mental status and intention tremors. Prednisone (1 mg/kg [0.45 mg/lb], PO, q 24 h for 6 days) was administered to the dog without any

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in Journal of the American Veterinary Medical Association
History

A 10-week-old male French Bulldog was referred for evaluation because of a 2-week history of recurrent episodes of signs of acute diffuse pain and mild depression and decreased appetite. The dog's vaccination protocol was incomplete. No previous trauma was reported. The history of the dog's littermates was unknown.

Clinical and Gross Findings

The general physical examination findings for the dog were unremarkable. A neurologic examination revealed a kyphotic posture, mild proprioceptive ataxia, and abnormal postural and proprioceptive reactions on all 4 limbs. Signs of severe pain were elicited by neck manipulation. Radiography of the cervical vertebral column revealed an

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in Journal of the American Veterinary Medical Association

Abstract

CASE DESCRIPTION 5 dogs were examined because of clinical signs of myelopathy, including signs of pain associated with the spinal region and rapidly progressive neurologic deficits.

CLINICAL FINDINGS In all dogs, results of MRI were consistent with spinal epidural empyema. Concurrent infectious processes were identified at adjacent or distant sites in all dogs, including diskospondylitis, prostatitis, dermatitis, paraspinal infection following a penetrating injury, urinary tract infection, and pyothorax. Bacteria were isolated from 3 dogs; Escherichia coli was isolated from blood, urine, and prostatic wash samples from 1 dog; a Pasteurella sp was isolated from a percutaneous aspirate from an adjacent infected wound in a second dog; and a Corynebacterium sp was isolated from a thoracic fluid sample from a third dog. For the remaining 2 dogs, results of bacterial culture were negative.

TREATMENT AND OUTCOME All dogs showed clinical improvement within 2 weeks after initiation of antimicrobial treatment, and all had an excellent long-term outcome.

CLINICAL RELEVANCE In dogs, spinal epidural empyema has previously been regarded as a surgical emergency. Findings for dogs in the present report suggested that, as is the case for humans, selected dogs with spinal epidural empyema may be successfully managed with medical treatment alone.

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in Journal of the American Veterinary Medical Association