Luis A. L. Silva

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OBJECTIVE To assess the cardiopulmonary effects of ephedrine and phenylephrine for management of isoflurane-induced hypotension in horses. STUDY DESIGN Prospective randomized clinical study. ANIMALS Fourteen isoflurane-anesthetized horses undergoing digital palmar neurectomy. METHODS Ephedrine (EPH group; 0.02 mg kg(-1) minute(-1); n = 7) or(More)
OBJECTIVE To evaluate equine cardiopulmonary function and recovery quality after administration of 0.25 or 0.50 mg/kg xylazine intravenously (IV) during recovery. STUDY DESIGN Randomized, blinded, prospective, clinical study. ANIMALS Horses (n = 20). METHODS During recovery after 3 hours of isoflurane anesthesia for arthroscopic surgery, horses were(More)
The aim of the present study was to investigate the long-term effects of chitosan-glycerol phosphate (chitosanGP) gel with the articular environment following implantation into experimental osteochondral defects in horses. The animals were submitted to experimental arthroscopy of both tibiotarsal joints for creation of osteochondral defects on the medial(More)
A controlled study was designed in order to evaluate the effects of medial patellar desmotomy (MPD), combined with exercise restriction, on clinically and radiographically normal femoropatellar joints, and to identify the patellar instability by radiographic examination. MPD was performed on the right hind limb and the horses were rested for 120 days. Both(More)
The effects of eCG on follicular growth, ovulation, and pregnancy per artificial insemination (P/AI) in multiparous and primiparous Bos indicus beef cows submitted to timed artificial insemination (TAI) were evaluated in three experiments. In experiments 1 (follicular responses; n = 64), 2 (follicular growth and ovulation rate; n = 662), and 3 (P/AI; n =(More)
OBJECTIVE To determine if pressure support ventilation (PSV) weaning from general anesthesia affects ventilation or oxygenation in horses. STUDY DESIGN Prospective randomized clinical study. ANIMALS Twenty client-owned healthy horses aged 5 ± 2 years, weighing 456 ± 90 kg. METHODS In the control group (CG; n = 10) weaning was performed by a gradual(More)
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