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Case summaryA 3-year-old male neutered domestic shorthair cat sustained a severe sacrococcygeal luxation post-motor vehicle trauma. Six days post-trauma, a fluid-filled swelling was noticed over the caudoventral abdomen and inguinal regions. Needle aspiration, closed suction drain placement and debridement with subcutaneous tacking were all attempted but failed to resolve the continued accumulation of serosanguinous lymphocyte-rich fluid in the subcutaneous pocket. Clinical resolution was ultimately achieved after surgical debridement and omentalisation of the lesion.Relevance and novel informationMorel-Lavallée lesions are post-trauma closed soft tissue degloving injuries described infrequently in people. The avulsion of subcutaneous tissue from deep muscle fascia results in the accumulation of haemolymph and necrotic fat, which can persist for several days to months after the inciting incident. In people, they are commonly seen in the proximal thigh. This article proposes the existence of Morel-Lavallée lesions in cats.
Case summaryA 3-year-old male neutered domestic shorthair cat sustained a severe sacrococcygeal luxation post-motor vehicle trauma. Six days post-trauma, a fluid-filled swelling was noticed over the caudoventral abdomen and inguinal regions. Needle aspiration, closed suction drain placement and debridement with subcutaneous tacking were all attempted but failed to resolve the continued accumulation of serosanguinous lymphocyte-rich fluid in the subcutaneous pocket. Clinical resolution was ultimately achieved after surgical debridement and omentalisation of the lesion.Relevance and novel informationMorel-Lavallée lesions are post-trauma closed soft tissue degloving injuries described infrequently in people. The avulsion of subcutaneous tissue from deep muscle fascia results in the accumulation of haemolymph and necrotic fat, which can persist for several days to months after the inciting incident. In people, they are commonly seen in the proximal thigh. This article proposes the existence of Morel-Lavallée lesions in cats.
The purpose of this study is to identify a suture technique that provides superior cosmetic outcomes and proper wound healing for skin closure after midline laparotomy of small animals in a rabbit model. This study also attempts to clarify the role of selected four suture patterns in wound healing, wound complications, cosmetic impacts and histopathology on the laparotomy skin wound. Twenty four female rabbits of white New Zealand and California breeds were used for this experimental study. Four suture patterns were compared for cutaneous closure of a 7-cm midline laparotomy wound, classified as; buried continuous subcuticular-intradermal (BCSID), interrupted cruciate mattress (ICM), running horizontal mattress (RHM), and far-near-near-far (FNNF). The different groups were studied in terms of clinical findings, wound and suture biometrics, cosmetic assessment, microscopic examination, and statistical analysis. RHM presented a 'very good' cosmetic grade on a 6-element scale, clinically associated with rapid successful wound healing, and no complications. BCSID was superior in cosmetic terms among the tested groups where it showed an aesthetically 'excellent' score. However, the technique was not efficient enough to prevent wound dehiscence in some cases. ICM demonstrated a 'very good' cosmetic degree but was not functional enough to prevent invasive contamination or infection in certain instances. FNNF was the inferior among all groups in regards to the cosmetic outcomes but was characterized by successful, slowly-progressive healing. Suture-to-wound length (SL: WL) ratio of all groups seemed to have a correlation with the rate of wound dehiscence as wound dehiscence is unlikely to occur if a SL: WL ratio is more than 4:1. The microscopic results proved that the RHM suture pattern was the favourable technique. RHM can be concluded as the suture technique of choice for cutaneous closure of laparotomy wounds in small animals like rabbits. It serves as a compromise of high-quality cosmesis and optimal wound healing. The assessed suture techniques can be graded in a descending order from the superior to the inferior cosmetically as BCSID>RHM>ICM>FNNF, and histopathologically as RHM>FNNF>BCSID>ICM. Clinical trials are needed to be performed to validate and reproduce the outcomes of this study on canine and feline patients.
Currently, there has been an increased risk of ureterolithiasis in cats; most of these stones are calcium oxalate ones, and responsible for ureteral obstruction. Feline ureteral obstruction may occur due to either the stone itself or may be secondary to ureteral fibrosis or granuloma formation. Due to the absence of stones in some cases, a workup for suspected ureteral obstruction is recommended if ultrasonography shows dilatation of the renal pelvis or ureter. While obstruction of a single ureter is less likely to cause serious injury, stricture of both ureters requires urgent treatment. In cases of calcium oxalate stones, surgery is often indicated. Once acute renal injury sets in, even with the resolution of ureteral obstruction, fibrosis of renal tubular interstitium is likely to advance, further progressing to chronic renal disease. This article focuses on the causes, pathological changes, clinical manifestations, diagnostic modalities, treatment modalities, and prognostic management of feline ureterolithiasis.
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