913 resultados para mucocilary clearance
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Pós-graduação em Medicina Veterinária - FMVZ
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Pós-graduação em Fisiopatologia em Clínica Médica - FMB
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Pós-graduação em Fisioterapia - FCT
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Pós-graduação em Fisioterapia - FCT
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Pós-graduação em Fisioterapia - FCT
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PURPOSE: To evaluate the renal function in healthy dogs submitted to nonselective and preferential COX-2 nonsteroidal anti-inflammatory drug (NSAID) therapy. METHODS: Twenty four healthy dogs were distributed into four groups (G) (n=6): ketoprofenG - treated with ketoprofen; nimesulideG - treated with nimesulid; meloxicanG - treated with meloxican; and etodolacG - treated with etodolaco. All the dogs received the NSAIDs for 10 days by oral route. Physical examination and renal function (urinalysis, urinary sodium and gamma-glutamyl transpeptidase (GGT), serum urea, creatinine, potassium and sodium, and endogenous creatinine clearance) were evaluated before, after five and ten days (T0, T5 and T10) of the treatment in all groups. RESULTS: Changes were observed in urinalysis, with a significant increase in renal cells in the urine at T5 and T10 in nimesulideG. Significant reduction in urinary sodium in nimesulideG at T5 was observed. The clearance values were lower in ketoprofenG at T10. CONCLUSIONS: Meloxicam and etodolac were the drugs that have proven to be safer for short-term therapy in healthy dogs in relation to renal function. NSAIDs ketoprofen and nimesulide should be used judiciously in dogs with renal dysfunction, since there are promoted changes in renal function.
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The objective of this study was to evaluate the effects of dimethyl sulfoxide (DMSO) treatment on aspects of renal function, serum profile, total blood count parameters and clinical condition of health or chronic kidney disease (CKD) dogs. The evaluations were done before, during and after the administration of DMSO 10% at a dose of 0.5g kg-1, each 24h, for three days. DMSO resulted in some adverse effects in both healthy and CKD dogs, however the effects were more frequent and worse in CKD dogs. Despite these adverse effects, both groups don't have contraindications to use the drug in a short time. The severity of adverse effects related to the DMSO and its possible association with death in stage 4 CKD dogs, are contraindications for the drug in this group of patients.
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Despite their propensity for significant infectious and mechanical complications, tunneled central venous catheters (CVCs) have become a common means of vascular access in the world for patients requiring chronic hemodialysis for end-stage renal disease. The objective of this study was to explore if cryopreserved solutions of the thrombolytic agent alteplase could be used as an effective, safe, and economically reasonable alternative in hemodialysis patients with occluded tunneled CVC. Patients requiring chronic hemodialysis and presenting with occluded tunneled CVC received a sufficient volume of the alteplase solution to fill the occluded catheter. To make alteplase economically feasible, it was diluted to 1-mg/mL aliquots and they were stored at -20 degrees C until use. Eighty-one patients accounting for 179 attempted clearances were assessable for efficacy. One hundred forty-seven (82.1%) of the 179 catheter clearance attempts resulted in successful catheter clearance after one dose. Twenty-seven (15.1%) of all occluded CVCs were successful after two doses whereas five (2.8%) were not. No adverse events were reported. Cryopreserved 1-mg/mL aliquots of alteplase are safe and effective in the clearance of occluded CVC for hemodialysis patients.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Although enzymuria tends to be associated to renal injury, there are no studies that have evaluated the presence of the enzyme gamma-glutamyl transpeptidase (GGT) spectrophotometry in the urine using a non-nephrotoxic agent (Nerium oleander) in order to evaluate the possibility of false positive results. The urinary GGT/urinary creatinine concentration ratio (uGGT/uCr) of 10 healthy dogs was calculated and posteriorly confronted with data from clinical evaluation, hematological and serum biochemical profiles, creatinine clearance (CrC), urinalysis, urine protein/creatinine ratio (UPC), electrocardiogram, systemic blood pressure (SBP) and light and electron microscopy. The results for kidney histology, SBP, UPC and CrC were not significantly different in any of the time-points analyzed. However, uGGT/uCr was significantly higher when measured 4 hours and 24 hours after administration of N. oleander. The measurement of the urinary GGT enzyme, as performed in many studies, yielded false positive results in dogs poisoned by a non-nephrotoxic agent.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)