Background: Canine orchiectomy involves making an incision in the prescrotal area, exteriorizing both testes via the same incision, ligating the blood vessels and spermatic cord, removing the testes, and suturing the incision. A briefer durations of anesthesia and surgery and decrease of postoperative morbidity could be obtain using a vessel sealing device. The aim of this study was to determine the feasibility and safety of orchiectomy in dogs by a scrotal approach with the use of a vessel-sealing device. Scrotal orchiectomy was performed with the use of monopolar electrosurgery device in pure cutting mode and a vessel-sealing device. Data were collected prospectively for the following categorical variables: breed, age, body weight, lifestyle, surgical time, indications for surgery and complications.Results: No complications were reported in 187 of 200 (93.5%). The complications documented were automutilation (AM), incisional complications (IC) and scrotal complications (SC). AM complications (11/200 [5.5%]) and SC complications (2/200 [1%]) were treated without additional surgery and resolved by day 10 after the surgery. Procedure duration (2,1 minutes± 0.4 minutes) was briefer than traditional castration duration reported in literature (3.5 ± 0.4 minutes).Conclusions: Results suggested that canine orchiectomy by scrotal approach with the use of a vessel-sealing device was feasible and safe. Furthermore, it was associated with a low complication rate and had the benefit of reduced surgical time and postoperative morbidity. This technique is promising for widespread application in veterinary surgery to help with haemostasis in canine orchiectomy.
Triple pelvic osteotomy (TPO) is a prophylactic surgical procedure performed on dogs with canine hip dysplasia. The procedure is indicated in skeletally immature dogs without secondary osteoarthritis (OA). It has been suggested that 60° of rotation is excessive and is associated with poor outcome. The objective of the study was to assess the medium term outcome in dogs having undergone triple pelvic osteotomy (TPO) using 60° dedicated plates. Nine TPOs were performed in seven dogs with hip dysplasia. Eight of nine hips had 72–100% osseous union at the time of revisit. The mean time to final radiographic recheck was 200 days (range, 185–229 days). The mean time to follow-up was 11.5 months (range 11–12 months). All 7 dogs had regained full function and did not require supplemental analgesia. Pelvic canal narrowing was noted in the two dogs with bilateral surgeries, but no clinical consequences were noted according to owner's statement.If more than 40 degrees reduction angles at Ortolani test, 60° of rotation of the acetabulum can be used successfully in dogs with hip dysplasia. At the time of mid-term follow-up, all dogs in this case series had full function.
Objective The aim of this study was to develop a three-dimensional (3D) model to identify the isometric component of the cranial cruciate ligament (CCL) in dogs. Methods A static 3D model of the specimen was generated from a computed tomography scan of the stifle of a dog and a kinematic model was generated from data collected, every 5 degrees from full extension (131 degrees) through 80 degrees of stifle flexion, from four sensors attached to the tibia. Kinematic data were superimposed on the static model by aligning the points of interest, which were defined for both models. This allowed the tibia to rotate and translate relative to the femur based on the kinematic data. The contours of the distal femur and proximal tibia were converted into point clouds and the distance between each point in the femoral point cloud and all the points in the tibial point cloud were measured at each of the 15 positions. The difference between the maximum and minimum distances for each pair of points was calculated, and when it was less than 0.2 mm, points were illustrated as two red dots connected by a line at their locations on the femur and tibia. Results A total of 3,681 pairs of isometric points were identified and were located at the origin and insertion of the CCL and on the lateral aspect of the stifle. Conclusion Isometric areas are present at the origin and insertion of the CCL and lateral aspect of the stifle. Better understanding of these locations may lead to refinements in techniques to replace the ruptured CCL.
Objective To quantify cranial translation of the prepuce after elevating it from the ventral body wall and to compare it to the cranial translation achieved after each of two modifications expected to increase cranial translation. Study design Cadaveric study. Sample population Ten male dogs. Methods All procedures were performed with dogs in dorsal recumbency. A urinary catheter with an attached millimeter scale was secured in the urethra and the penis was sutured to the ventral body wall to eliminate relative movement between the penis and prepuce. Three preplaced sutures between the prepuce and linea alba, at increasing distances from the prepuce, were used to translate the prepuce cranially. The prepuce was tested after elevating it from the ventral body wall, and after sequentially releasing the skin caudal to the prepuce (modification 1) and the attachment of the lamina interna to the penis (modification 2). The preplaced sutures were tightened and loosened sequentially from caudal to cranial, and the location of the dorsal aspect of the preputial opening on the millimeter scale was noted prior to, and after tightening each of the sutures. Results Maximum mean (range) cranial translation of the prepuce after elevating the prepuce, and after modifications 1 and 2, was 15 mm (5–26 mm), 25 mm (15–30 mm), and 37 mm (24–50 mm), respectively. Conclusion Modifications described increased cranial translation of the prepuce. Clinical significance Modifications described in this study may provide alternate strategies for the treatment of dogs with severe paraphimosis.
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