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1.
Acta sci. vet. (Impr.) ; 51(supl.1): Pub. 875, 2023. ilus
Artigo em Português | VETINDEX | ID: biblio-1434874

Resumo

Background: Ozone therapy (OT) is a type of treatment that uses ozone gas, which has high oxidizing power. OT has been utilized for various diseases and to accelerate the wound healing process and reduce inflammation. Additionally, OT is a low-cost treatment recommended for patients that can be easily restrained. There are several methods of ozone administration, including topical use through bagging, cupping, or rectal insufflation, in addition to ozonated autohemotherapy. Based on the benefits of OT and the scarcity of reports describing its effects on white-eared opossums (Didelphis albiventris), we report on the use of ozone in the treatment of a severe facial wound in a white-eared opossum. Case: An adult female white-eared opossum weighing 1.6 kg was rescued from a fire. The patient was pregnant, dehydrated, hypothermic and had an extensive burn wound in the facial region. Due to the stress of captivity and its aggressive behavior, the animal needed to be chemically restrained with dexmedetomidine and butorphanol. Following sedation, the cephalic vein was catheterized and intravenous fluid therapy with ringer lactate was started to treat dehydration. Next, enrofloxacin, meloxicam, and tramadol hydrochloride were administered. Body rewarming was performed with thermal bags. The microbial load of the wound was reduced with chlorhexidine degerming solution followed by washing with saline solution. A thin layer of silver sulfadiazine cream was applied to the wound area. Over the following days the patient was treated with OT using the cupping technique combined with ozonated sunflower oil. After the first applications there was an improvement in the appearance of the wound, which initially had a purulent aspect. After 20 days of treatment the wound showed good granulation and there were no signs of infection, and at 45 days of treatment it was completely healed. The patient was then released with her baby. Discussion: Ozone therapy was included in the patient's treatment plan to enhance the tissue repair process in order to reintroduce the animal to the wild in the shortest possible time. The strategy was successful in improving healing and reducing tissue inflammation and infection. Ozone is known to cause the inactivation of microorganisms as a result of the oxidation of phospholipids and lipoproteins present in the cell membrane of bacteria and to interrupt viral replication. Ozone helps in the perfusion of injured tissues, contributing to the entry of humoral components, which control inflammation. Moreover, ozone contributes to increase supply of oxygen and nutrients to tissues and to stimulate increased production of fibrinogen and formation of granulation tissue. Ozone increases the enzymatic antioxidant response, while also playing a role in immunoregulation. Ozone can be used in several ways and via various methods with potential routes including intravenous, urethral, intramuscular, subcutaneous, or intra-articular, in addition to rectal and intramammary insufflation. Immunomodulatory, anti-inflammatory, analgesic, and antiseptic effects can be achieved with different doses and concentrations, which enables its application in different types of pathologies. Because of the aggressive behavior of the animal, in the current case we opted for the cupping technique combined with ozonated oil, both techniques which can be administered easily with only physical restraint of the patient. Cupping allows for the provision of a higher concentration of ozone gas locally whereas the ozonated oil maintains the effect of the gas for slightly longer, enhancing its effect and promoting tissue repair. The present report showed that OT is an effective alternative for the treatment of burn wounds in opossums, without causing adverse effects to the patient or her baby.


Assuntos
Animais , Feminino , Cicatrização , Didelphis/lesões , Traumatismos Faciais/veterinária , Ozonioterapia , Animais Selvagens/lesões
2.
Acta sci. vet. (Impr.) ; 51(supl.1): Pub. 878, 2023. ilus
Artigo em Português | VETINDEX | ID: biblio-1434909

Resumo

Background: The urinary tract is composed by kidneys, urinary bladder and urethra. The kidneys produce urine that achieve urinary bladder by ureters. These have the origin in the renal pelvis, run through the retroperitoneum, end up at the dorsolateral superficies of the urinary bladder, and empty at the trigone. Ureters abnormalities are the rarest congenital defects in the canine urinary tract and ureteroceles are cystic dilatations of the distal segment of the ureter that could be associated to partial or complete urinary obstructions and could lead to megaureter and hydronephrosis. So, the aim of the present study was to describe a case of megaureter by intramural ureteral ectopia in a bitch. Case: A 1-year-old-and-8-month bitch Akita, weighing 18 kg, was referred to the Uniube Veterinary Hospital with vaginal secretion, prostration, hypodipsia, hyporexia and pyrexia related by the tutor. On physical examination, an increase in vulva volume and a vaginal discharge were observed. Nevertheless, others physical exams, blood count and biochemical tests were considered to be within normal parameters. Urinalysis showed cloudy aspect, proteinuria, occult blood, erythrocytes, pyuria, leucocytes, and discreet presence of bacteria. Abdominal ultrasonography revealed a megaureter with right uterocele and excretory urography showed absence of glomerular filtration by right kidney. The patient was submitted to surgery for right kidney and ureter exeresis. Histopathology evaluation showed intense dilation of the ureter and severe multifocal renal fibrosis. The surgery was well succeeded, and the patient recovered completely. Discussion: Once megaureter are associated with congenital abnormalities like ectopic ureter and ureterocele, it is usually diagnosed in young patients with medium age of 10 months, which is below the age of the patient in this case report. Additionally, in the patient here reported, the unilateral alteration could explain the absence of kidney fail symptoms. In more than 90% of the cases, the ureteral ectopia was associated with multiple anomalies in the urinary tract, as was observed in this patient, that presented besides ectopic ureter, ureterocele, megaureter and renal dystrophy. All these morphological alterations made impossible the complete urine elimination, which predispose to urinary tract infection, that was observed in this report. According to literature, urinary tract anomalies are associated with infection in 64 to 85% and 50% of the cases also present hydronephrosis and hydroureter. It was also described that ureteral ectopia is diagnosed by visualization of hydroureter in abdominal ultrasonography. The findings present in this report differs a little, once the right kidney was atrophic possibly by malformation or even so by a chronic renal lesion due to the difficulty in urine flow. The excretory urography showed no filtration in the right kidney, indicating non-functionality that was confirmed by histopathology, in which was observed small glomerulus and large amount of connective tissue deposition. In cases of unilateral megaureter with ipsilateral kidney commitment, there is indication of nephroureterectomy, that was performed in the patient of the present report. As far as we know, this is the first report of megaureter, ureterocele and ectopia ureteral together in the same patient. In conclusion, the procedure was secure, efficient and promote a better quality of life for the patient and prevent the recurrence of urinary tract infections.


Assuntos
Animais , Feminino , Cães , Ureter/anormalidades , Cistite/veterinária , Nefroureterectomia/veterinária , Sistema Urinário/patologia
3.
Acta sci. vet. (Impr.) ; 49(supl.1): 716, 2021. ilus
Artigo em Português | VETINDEX | ID: biblio-1363927

Resumo

Background: Otitis is a frequent condition in dogs, with a multifactorial etiology covering primary causes, predisposing and perpetuating factors. It is characterized by an inflammatory process of structures that make up the auditory system, with prevalence data ranging from 15 to 20%, which can occur in any age group and without sex predisposition. According to the location, it can be classified as uni or bilateral, affecting the outer, middle and / or inner ear, the latter two being associated with neurological changes such as vestibulopathy, facial nerve paresis and Horner's syndrome. The morbidity and mortality of otitis media and internal may increase with delay in diagnosis, resulting in delay in the correct treatment, and the extension to brainstem is described in felines and considered rare in dogs. The present study aims to report an atypical case of otitis media and internal, with extension to the brain parenchyma in a brachycephalic dog. Case: A 3-year-old bitch French Bulldog was seen, weighing 12 kg, with a history of vomiting, apathy, nystagmus, ataxia and acute evolution hemiparesis. As a result of adoption, it was not known about the animal's morbid past. On special physical and clinical examination, depressed mental status, changes in postural reactions, nostril stenosis with unilateral mucopurulent nasal discharge, corneal ulcer, palpebral and labial ptosis, absence of eyelid reflex and spontaneous strabismus were observed, all of these findings observed on the left side of the face. No signs of otitis external to otoscopy were found. The clinical signs found characterize left facial nerve paresis and peripheral and central vestibulopathy. Otitis media / internal and meningoencephalitis were suspected. Hemogram, serum biochemistry (glucose, urea, creatinine, alanine aminotransferase, total proteins, albumin, globulin, alkaline phosphatase, gamma glutamyltransferase, phosphorus, total bilirubin, cholesterol and total calcium), urinalysis, rapid tests for erlichiosis, anaplasms , borreliosis, heartworm, distemper and leishmaniasis, CSF analysis, neurological panel performed by PCR (Polymerase Chain Reaction) that tested the animal for Bartonellosis, Lyme Disease (Borrelia burgdorferi), Blastomyces dermatitidis, Cryptococcus sp., Virus West Nile, Distemper, Toxoplasmosis, Neosporose and Coccidioides sp. using conjunctival swab, whole blood, urine and CSF samples. The samples were negative for all of these tests. As an image exam, brain magnetic resonance was performed. In the latter, otitis media and left internal was observed with extension of the lesion to the brain parenchyma. CSF analysis showed cytological changes compatible with a non-suppurative inflammatory process, mild pleocytosis with predominantly mononuclear leukocyte infiltrate. As a form of treatment, antibiotic therapy and total ablation of the auditory canal with lateral bulectomy were performed, showing good results with reduced clinical symptoms. Discussion: It is concluded that although the diagnosis of otitis media and internal with extension to brainstem is more common in cats, it should be included as a differential for central vestibular disorders in dogs, and that the diagnosis together with early and effective treatment are important, since that the evolution of the infection to the central nervous system represents a risk to the patient.


Assuntos
Animais , Feminino , Cães , Tronco Encefálico/patologia , Vestibulopatia Bilateral/veterinária , Meningoencefalite/veterinária , Otite Média/veterinária , Labirintite/veterinária
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