Does a single application of contraceptive cause pathological changes in bitches?[Uma única aplicação de anticoncepcional causa alterações patológicas em cadelas?]
Veterinary and human medicine students should be trained in skills necessary to perform surgical procedures. Regarding the practice of surgical sutures, the methods used include the use of various materials such as fabric device, sponge, pieces of the animals and pieces of ethylene vinyl acetate. This article proposes to use banana and eggplant to train surgical suture techniques. The work was carried out by monitors from the veterinary surgical technical discipline. These monitors performed sutures in the vegetables (green banana and eggplant) and completed a questionnaire on the method. All monitors agreed that vegetables are easy to handle. Most stated that it was a pleasant experience for not using live animals. An advantage of using vegetables is handling, including storage and disposal. Besides, they do not transmit diseases. Animal materials such as bovine tongue, and swine parts that are widely used in suture teaching, present the risk of zoonosis transmission. The proposed organic bench model (banana and eggplant) may be indicated as a complementary alternative to advanced surgical sutures training. In addition, the model in question avoids the use of animals, while respecting ethical and legal issues.
Objetivou-se avaliar efeitos da primeira e única dose de progestágenos em fêmeas felinas hígidas. Selecionaram-se quinze gatas que foram examinadas clinicamente e por exames complementares. Divididas em dois grupos, um (GANT) composto de sete gatas foi aplicado medroxiprogesterona por via subcutânea, obedecendo-se as indicações do fabricante. Outro (GC, controle) composto por oito, que receberam solução fisiológica (1ml) por via subcutânea. Noventa dias após, tais exames foram novamente realizados e foram realizadas as esterilizações cirúrgicas, sendo os tecidos reprodutivos removidos e encaminhados para a realização de histopatologia. Aos 90 dias, foi possível verificar que quatro gatas do GANT apresentaram hiperplasia endometrial cística (HEC) no exame microscópico com diferença estatística significativa. No GC nenhuma gata apresentou alteração. A HEC é a primeira fase da piometra. Foi possível concluir que uma única aplicação de progestágeno em fêmeas hígidas pode causar complicações uterinas. Permitindo afirmar que a administração destes fármacos seja realizada exclusivamente sob orientação de um médico-veterinário, minimizando chances de complicações.
The article analyzed the responsible care of dogs and cats of different urban neighborhoods of the City of Umuarama, PR. We interviewed 53 owners by means of a directed questionnaire, obtaining 106 animals evaluated indirectly. It was possible to determine several aspects related to the behavior of owners and important data related to animal welfare, and the deficiency of reproductive control being an important factor verified in this study. It was concluded that the responsible care is not fully exercised by the evaluated population of Umuarama, making urgent the elaboration of public policies to improve this situation.
Background: Otohematoma is common in dogs and is characterized by blood accumulation between the skin and cartilage of the outer ear. While the etiology is related to trauma, most cases have a predisposing condition. Treatment must drain the hematoma and maintain appropriate skin apposition to the ear cartilage. Treatment can be surgical, but there are also conservative options such as puncture drainage, followed by intralesional injection of glucocorticoids. This alternative method is less invasive than surgery, with an equivalent success rate. This study aimed to describe intralesional injection of corticosteroids for the treatment of dogs with otohematoma at a veterinary clinic.Materials, Methods & Results: Otohematoma was diagnosed and treated in 23 dogs (14 males and 9 females, weighing 9.6 ± 2.7 kg) at a reference private veterinary clinic. The dogs were chemically restrained, and their ears were cleaned with chlorhexidine. The lower face of each ear with otohematoma was then punctured with a needle coupled to a syringe to drain the liquid. Following drainage, the equipment was removed and the collected liquid volume was measured. A 0.5 mg/kg dose of methylprednisolone acetate was prepared and diluted in saline (0.9% NaCl) to a volume equivalent to 1/10 of the previously drained content volume from the otohematoma. The prepared solution was then injected into the drained ear. Additionally, each patient was treated for the original cause of the otohematoma, according to conventional protocols. Eight animals (34.78%) had bilateral otohematoma and 15 (65.22%) presented with unilateral lesions. Leukocytosis was observed in most patients. Other laboratory alterations present in the studied dogs were thrombocytopenia, leukopenia, and anemia. Twenty (86.96%) patients presented with otitis externa. All patients were reassessed one week after the initial treatment, and 19 (82.60%) fully recovered. The remaining 4 (17.40%) required a new procedure to drain a small accumulation of liquid. Patients were then reassessed on the 15th day when full recovery was observed in 2 (8.7%). The remaining two (8.7%) underwent new drainage on the 15th day, accompanied by a new infusion of corticosteroids, returning recovered on the 21st day.Discussion: Consistent with the previous reports, unilateral otohematomas were more frequently observed in the present study. In most animals, the cause of otohematoma was otitis externa. This disease causes intense itching that leads to autotrauma, resulting in the rupture of vessels and accumulation of fluid between the skin and cartilage of the ear. Leukocytosis detected in the majority of patients was related to external otitis. The other hematological changes observed are common in the disease. The objectives of otohematoma therapy in dogs are to identify and eliminate the source of auricular pruritus, provide adequate drainage of the hematoma content, and maintain the appropriate apposition between the skin and cartilage in the ear. In all 23 patients in this study, these aims were met, culminating in favorable outcomes. The described method led to recovery for most patients (82.60%) in the first week and a success rate of 100% by the end of 21 days. These results observed in animal patients are similar to those seen in humans, where drainage leads to total regression of the disease. Glucocorticoids were chosen for treatment of otohematoma because of their anti-inflammatory effects. Additionally, methylprednisolone acetate, an ester whose absorption was very slow, was used to allow for a longer anti-inflammatory effect.
The purpose of this article is to review the use of pharmacopuncture in the Yin Tang acupoint to tranquilize animals, emphasizing its importance as a tool for the veterinary practitioner in his daily routine. The aim of the acupuncture is to achieve a homeostatic effect, restoring the balance of altered organic functions. Pharmacopuncture has been used to produce sedation in dogs. The Yin Tang acupoint is a sedation point located between the eyebrows that produces sedation in humans and animals upon stimulation. Several studies have shown that administration of a subdose of acepromazine and xylazine in this acupoint effectively induces sedation in dogs comparable to that of the therapeutic dose administered by conventional means, without causing serios side effects. We hereby suggest that new drugs should be testes with this technique for the clinical practice in animals.
Background: Serious urethral damage or recurrent obstructions in felines require a urethrostomy to provide a return to and maintenance of urinary flow. In some cases, urethral reconstruction with complementary tissue is required. Grafting of autogenous vascularized intestinal segments is widely used in human medicine to promote the functional restoration of the urethra, but in veterinary medicine, its use is still incipient. Thus, the aim of this report was to analyze and describe the use of thein functional urethral repair in a feline diagnosed with a severe urethral rupture.Case: A castrated male cat presented with urethral obstruction. Emergency decompression cystocentesis was performed, and fluids and analgesics were administered. Catheterization and urohydropropulsion were attempted to relieve the obstruction, without success. An emergency perineal urethrostomy was indicated. After the procedure, the diagnosis (obstructive lower tract urinary disease) and the infeasibility of restoring urinary flow by conventional urethrostomy techniques were confirmed. We opted for a laparoscopic-assisted prepubic urethrostomy; the pre-prostatic urethra was transected, and its caudais end was brought through an abdominal incision cranially. However, urethral tension was noted after this maneuver was performed. Thus, we decided to use autogenous vascularized intestinal segment grafting for urethral reconstruction. A segment of the ileum was prepared for grafting, with preservation of irrigation and mesenteric innervation. A termino-terminal anastomosis was performed on the stumps of the remaining intestine, and the mesentery was sutured. The ileal graft was isolated and washed to remove luminal content. A tunnel was made in the abdominal muscles, subcutaneous tissue, and skin of the prepubic region; the cranial end of the intestinal graft was passed through this tunnel. A Foley catheter was passed through the graft, in sequence in the remaining urethra and urinary bladder. The luminal size difference between the caudal end of the graft and urethra was corrected by wedge-shaped cut, and a suture was made. Repair points were made between the caudal end of the graft and urethra across the entire circumference. The knots were then executed. Suturing of the abdominal wall was routine. To make the ostomy, the end border of the graft was externalized, and the antimesenteric border was cut and sutured to the skin. Finally, a Foley catheter was attached to the skin. The cat was kept in the hospital for 72 hours and then discharged. Regular clinical assessments took place for a year following the operation. Discussion: Transoperative maneuvers for obtaining and applying the graft were feasible, of medium complexity, and suitable for maintaining vitality of the grafted segment of tissue and restoring immediate urinary flow. Regular clinical evaluations over the course of a year, as well as ultrasonography and tomography of the urinary tract in the first half of the year, proved the effectiveness of the grafting technique; the cat’s urinary flow was normal, and there were no signs of rejection to the intestinal graft. We conclude that an autogenous graft of vascularized intestinal segments is a good urethral substitute and has significant therapeutic value for cases in which urethral reconstruction is necessary, particularly when other surgical techniques are not feasible.
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