Peer-reviewed veterinary case report
Rectum and prostate changes partly reverse after dog hernia surgery
By Salonen, Hanna M et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2024·Department of Equine and Small Animal Medicine·View original on PubMed →
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Original publication title: Dimensional and spatial computed tomographic abnormalities of the rectum and prostate are only partly reversible after surgical repair of perineal hernia in dogs.
- Species:
- dog
Plain-English summary
A group of 66 dogs with perineal hernias (a condition where pelvic organs protrude through the pelvic floor) underwent surgery to repair the issue. Before the surgery, many dogs had a bent rectum, but after the repair, most showed improvement with a straighter rectum and increased dimensions in the rectal area. Additionally, the number of dogs with cysts in their prostates decreased significantly after surgery, although some small mineralizations remained. Overall, while the surgery helped many aspects of the dogs' conditions, not all changes fully reversed.
People also search for: dog perineal hernia surgery recovery · dog rectum shape after surgery · prostate cysts in dogs treatment
Abstract
Caudal protrusion of pelvic organs and dilatation and deviation of the rectum with perineal hernia (PH) have not previously been studied using CT, and it is not known how completely the changes normalize after PH repair. Objectives of this prospective experimental case series were to evaluate the dimensions and shape of the rectum and the volume, location, and other features (enhancement pattern, presence of cysts, and mineralizations) of the prostate of 66 dogs on CT before and 3 months after PH repair. The rectal cross-sectional areas were measured at intrapelvic and caudal locations, and the shape was categorized as straight, deviated, flexure, or caudal fold on dorsal images. According to paired samples t-tests, the caudal rectal dimensions were significantly larger (P < .001) than the intrapelvic dimensions both before and 3 months after PH repair, and according to linear mixed models, the intrapelvic dimensions increased significantly (P < .001) after repair. Before PH repair, the most common rectal shape was flexure (69.2%); after repair, the number of dogs having a straight rectum increased significantly (P < .001) according to the McNemar paired-samples proportion test. We were also able to show that rectal dimensions increased after PH repair despite straightening in most dogs. According to the linear mixed model, prostate ratio volume, and according to Wilcoxon signed ranks test, the number of prostates with intraprostatic cysts decreased significantly (both P < .001) after PH repair, but the proportion of prostates located in the caudal or perineal area did not. Small mineralizations remained in some dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/38318920/