Analysis of results of this study suggests that ultrasonography is useful for detecting relevant morphologic changes in the pyloric sphincter after pyloroplasty.
The effect of a laparoscopic approach and pyloric surgery on canine gastrointestinal activity, particularly gastric emptying time, is not well understood. The purpose of this study was to compare the effect of laparoscopic and conventional pyloric surgery, in Ramstedt pyloromyotomy and Heineke-Mikulicz pyloroplasty, on complete gastric emptying time in 20 clinically normal dogs. Dogs were divided into four groups of five animals: dogs with laparoscopic Ramstedt pyloromyotomy, conventional Ramstedt pyloromyotomy, or laparoscopic Heineke-Mikulicz pyloroplasty, and the conventional Heineke-Mikulicz pyloroplasty group. Gastric emptying time using barium sulfate mixed with dry kibble dog food was measured fluoroscopically before and 1 month after surgery. Gastric emptying of solids was significantly enhanced in the pyloroplasty groups in the postoperative period compared with preoperative emptying. Just as after conventional pyloromyotomy, gastric emptying time after laparoscopic pyloromyotomy was not statistically different as compared with preoperative values. This study indicates that the fluoroscopic test meal is a valuable tool for defining complete gastric emptying time in normal dogs. We conclude that pyloromyotomy was less effective in decreasing complete gastric emptying time than Heineke-Mikulicz pyloroplasty in normal dogs. The possibility of decreasing complete gastric emptying time by laparoscopic surgery suggests a potential clinical application for this technique in small animals.
Objective To describe the history, clinical signs, and management of six horses in which subtendinous bursitis of the long digital extensor tendon (LDET) in the hind limb fetlock had been diagnosed. Study design Retrospective case series. Sample population Six privately owned horses. Methods The medical records of horses presented at the hospital with similar sypmtoms were evaluated and collected. Finally 6 horses met the inclusion criteria and the relevant data were compiled and analysed. In three of the six cases a surgical treatment was carried out. Results All horses had similar clinical signs, mainly distention beneath the long digital extensor tendon (LDET) at the level of the hind limb fetlock without associated lameness; the major issues were the presence of cosmetic defects and concern about their functional use in the future. Three of the six horses were treated surgically with bursoscopic debridement. The cosmetic results were excellent in two of these three horses. One horse that underwent an operation experienced a recurrence. None of the horses with bursitis treated medically experienced resolution of the problem. Conclusion Bursoscopy is a technique to consider for the management of bursitis of the LDET at the level of the fetlock combined with prolonged bandage application when medical treatment has failed to manage the condition. Clinical significance To the best of our knowledge, subtendinous bursitis of the LDET in the hind limb is not a commonly diagnosed condition. This small case series provides some insight into methods for the clinical management of this issue.
This work reports the use of laparoscopic-transducer sonography for the examination of the urinary system in a swine model. Animals underwent a two-phase study. In the first phase, the urinary system was examined using laparoscopic sonography. In the second a partial ureteral obstruction was induced, and sonographic changes were recorded and evaluated. Sonography was used to evaluate kidneys, ureters, and bladder. Anatomic structures were evaluated and the following pathological findings were identified: renal cysts, one polycystic kidney, dilation of the renal pelvis, hydronephrosis, and one perirenal pseudocyst. Where necessary, contrast digital fluoroscopy (excretory urography and retrograde ureteropyelography) was also performed. Laparoscopic sonography mainly is used for evaluation prior to laparoscopic surgery to guide decisions relating to surgery. The quality of the images obtained laparoscopically is superior to that of percutaneous or transabdominal images, because artifacts are reduced and the contact surface of the transducer is placed directly over the study area. Laparoscopic sonography proved highly effective for studying renal and ureteral disorders prior to minimally invasive surgery.
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