Veterinary surgery : VS最新文献

{"title":"Outcomes after transperitoneal laparoscopic ureteronephrectomy for the treatment of primary renal neoplasia in seven dogs.","authors":"Edward Hart,&nbsp;Ameet Singh,&nbsp;Christopher B Thomson,&nbsp;Ryan Appleby,&nbsp;Danielle Richardson,&nbsp;Samuel Hocker,&nbsp;Sarah Bernard,&nbsp;Christopher Pinard","doi":"10.1111/vsu.13675","DOIUrl":"https://doi.org/10.1111/vsu.13675","url":null,"abstract":"<p><strong>Objective: </strong>To describe the perioperative characteristics and outcomes in dogs that underwent transperitoneal laparoscopic ureteronephrectomy (TLU) for primary renal neoplasia.</p><p><strong>Study design: </strong>Short case series.</p><p><strong>Animals: </strong>Seven client-owned dogs.</p><p><strong>Methods: </strong>Medical records were reviewed and data extracted regarding perioperative characteristics and animal outcomes. TLU was performed using a single-port + 1 or multiple port techniques. Hemostatic clips or a vessel-sealing device were used for occlusion of renal hilar vessels. The ureter was occluded and transected close to the ureterovesicular junction and the tumor was placed in a specimen retrieval bag for extraction from the abdomen.</p><p><strong>Results: </strong>Preoperative contrast enhanced computed tomography (CECT) was performed in 6/7 dogs. Median estimated tumor volume measured from abdominal CECT removed by TLU was 32.42 cm³ (interquartile range [IQR] 14.76-94.85). Median surgery time for TLU was 90 minutes (IQR 85-105). In one dog, elective conversion to open laparotomy was performed due to large tumor size. Median time to discharge was 31 hours (IQR 24-48). No major perioperative complications occurred and all dogs survived to discharge. Progression free survival in four dogs was 422 days (IQR 119-784).</p><p><strong>Conclusion: </strong>TLU was performed for the extirpation of modest sized primary renal tumors with acceptable perioperative outcomes and a low complication rate.</p><p><strong>Clinical relevance: </strong>TLU may be considered for the treatment of selected cases of primary renal neoplasia in dogs.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"O108-O115"},"PeriodicalIF":1.8,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13675","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39160478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A randomized, prospective, comparative trial of a variable-angle versus fixed-angle endoscope for exploratory thoracoscopy in canine cadavers.","authors":"Danielle M Diamond,&nbsp;Valery F Scharf,&nbsp;King Wa Chiu,&nbsp;Jonathan A Hash,&nbsp;Kyle G Mathews","doi":"10.1111/vsu.13449","DOIUrl":"https://doi.org/10.1111/vsu.13449","url":null,"abstract":"<p><strong>Objective: </strong>To compare the efficacy of a variable-angle endoscope (VAE) for canine thoracoscopic exploration to a traditional fixed-angle endoscope (FAE).</p><p><strong>Study design: </strong>Randomized, prospective, comparative study.</p><p><strong>Sample population: </strong>Five fresh canine cadavers.</p><p><strong>Methods: </strong>Twelve predetermined anatomical locations were labeled after median sternotomy in each cadaveric thorax. Two board-certified veterinary surgeons performed thoracoscopic evaluation of each thorax using a fixed-angle (30°) and a variable-angle (0°-120°) endoscope with and without lungs mechanically ventilated. The order of surgeon, lung ventilation, and endoscope were determined using a randomized block design. Time to visualize each anatomical location was compared for surgeon, endoscope, and lung ventilation status. Primary outcome measures were time to individual anatomical location, total simulated thoracoscopic exploration time, and ability to identify anatomical location within the designated time period.</p><p><strong>Results: </strong>Lung ventilation (difference = 184 seconds, P = .015, 95% CI = 45-342 seconds) and endoscope type (difference = 112 seconds, P = .029; 95% CI = 10-213 seconds) had an effect on the cumulative time for complete thoracoscopic exploration. The VAE shortened the time to identify three of the 12 anatomical locations when controlling for the effects of lung ventilation. Use of the VAE did not improve time to identification for any locations compared to the FAE when lungs were not ventilated. The VAE facilitated significantly shorter cumulative thoracoscopic exploration time compared with the FAE. Failure to identify predetermined locations was more common with the FAE than with the VAE.</p><p><strong>Conclusion: </strong>Use of a rigid VAE decreased cumulative thoracoscopic exploration time and provided an alternative to one-lung ventilation for circumventing the visual impediments of lung ventilation.</p><p><strong>Clinical significance: </strong>This cadaveric study provides evidence that one-lung ventilation and use of a VAE may improve surgeon efficiency during exploratory thoracoscopy.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"O17-O25"},"PeriodicalIF":1.8,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13449","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38074633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk factors for reluxation after toggle rod stabilization for treatment of coxofemoral luxation in 128 dogs.","authors":"Megan E Mathews,&nbsp;Matthew D Barnhart","doi":"10.1111/vsu.13498","DOIUrl":"https://doi.org/10.1111/vsu.13498","url":null,"abstract":"<p><strong>Objective: </strong>Evaluate the risk factors for reluxation and outcomes for dogs with a toggle rod construct.</p><p><strong>Study design: </strong>Retrospective case series.</p><p><strong>Animals: </strong>One hundred twenty-eight client-owned dogs.</p><p><strong>Methods: </strong>Medical records from 2007 to 2018 were reviewed for signalment, history, surgery, and outcome for dogs with a coxofemoral luxation repaired with a commercial toggle rod and nylon monofilament suture construct. Univariate and multiple logistics regression analysis were performed to assess risk factors associated with postoperative luxation. Primary veterinarians and owners were contacted for follow-up via telephone or electronic communication.</p><p><strong>Results: </strong>The overall complication rate was 24.2%, and the reluxation rate was 14.8%. There was a decreased risk of reluxation when the cause was traumatic in origin (odds ratio [OR] 0.10) or when the lameness was severe at presentation (OR 0.42). Fifteen of 58 (25.9%) owners contacted completed a follow-up survey.</p><p><strong>Conclusion: </strong>Dogs with nontraumatic, low impact luxations were at a higher risk for reluxation.</p><p><strong>Clinical significance: </strong>Dogs of any body condition with a traumatic coxofemoral luxation are at lowest risk for reluxation.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"142-149"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13498","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38284805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Complications and outcomes of swine that underwent cesarean section for resolution of dystocia: 110 cases (2013-2018).","authors":"Joseph W Lozier,&nbsp;Grace M VanHoy,&nbsp;Brianna A Jordan,&nbsp;Andrew J T Muir,&nbsp;Jeffrey Lakritz,&nbsp;C Austin Hinds,&nbsp;Andrew J Niehaus","doi":"10.1111/vsu.13530","DOIUrl":"https://doi.org/10.1111/vsu.13530","url":null,"abstract":"<p><strong>Objective: </strong>To report the surgical survival of dams and piglets and follow-up survival and future breeding potential of swine that underwent cesarean section for correction of dystocia.</p><p><strong>Study design: </strong>Retrospective study.</p><p><strong>Animals: </strong>One hundred ten client-owned, female swine. All swine included in this study were breeding stock for market pigs to be used for exhibition purposes.</p><p><strong>Methods: </strong>Medical records of swine that underwent cesarean section at The Ohio State University Hospital for Farm Animals for resolution of dystocia between January of 2013 and July of 2018 were reviewed. Signalment, history, number of piglets per litter, treatments, and surgical procedure were recorded. Follow-up information (survival, complications, and additional pregnancies) was obtained via telephone interview.</p><p><strong>Results: </strong>A fetus was not palpable in 77 of 110 (70%) cases at presentation. The median litter size was eight piglets (range, 1-14), with medians of five (range, 0-13) live and one dead (range, 0-11) piglets per litter. Follow-up was available for 52 dams, of which 39 (75%) survived. Complications were recorded in 20 of 52 (38.46%) cases and included incisional seroma formation, lethargy, and anorexia. Twenty-three dams became pregnant and farrowed after the cesarean section, with no reported complication in 13 of these.</p><p><strong>Conclusion: </strong>Cesarean section in swine is associated with a good prognosis for recovery from the procedure and a fair to guarded prognosis for future breeding.</p><p><strong>Clinical significance: </strong>Cesarean section may be considered for resolution of dystocia in swine. However, owners should be advised that nearly half of sows require assistance in subsequent deliveries.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"38-43"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13530","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38522269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum.","authors":"","doi":"10.1111/vsu.13567","DOIUrl":"https://doi.org/10.1111/vsu.13567","url":null,"abstract":"","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"19"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13567","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38767365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology of the cisterna chyli in nine dogs with idiopathic chylothorax and in six healthy dogs assessed by computed tomographic lymphangiography.","authors":"Roger Rengert,&nbsp;Tom Wilkinson,&nbsp;Ameet Singh,&nbsp;Brigitte A Brisson,&nbsp;Boel Fransson","doi":"10.1111/vsu.13538","DOIUrl":"https://doi.org/10.1111/vsu.13538","url":null,"abstract":"<p><strong>Objective: </strong>To describe the morphology of the lymphatics in the region of the cisterna chyli in healthy dogs and in dogs with idiopathic chylothorax by using computed tomographic lymphangiography.</p><p><strong>Study design: </strong>Retrospective study.</p><p><strong>Animals: </strong>Nine dogs with idiopathic chylothorax and six healthy dogs.</p><p><strong>Methods: </strong>Computed tomographic lymphangiograms were reviewed to evaluate the number of cisterna chyli branches, total cross-sectional area of the branches normalized to the cross-sectional area of the aorta, number of branches with cross-sectional area greater than 25% of the aorta cross-sectional area, and ratio of the total perimeter to the total cross-sectional area of the branches. Data (mean ± SD) were compared between unaffected dogs and dogs with idiopathic chylothorax.</p><p><strong>Results: </strong>The cisterna chyli included more branches in dogs with chylothorax (4.30 ± 1.57) than in unaffected dogs (1.67 ± 0.56, P = .02), occupying a relative perimeter approximately double that in unaffected dogs (P < .001). The relative cross-sectional area of the cisterna chyli was approximately twofold smaller in affected (0.73 ± 0.35) than in unaffected (1.63 ± 0.91, P = .02) dogs. The fraction of dogs with branches greater than 25% of the cross-sectional area of the aorta tended to be larger in unaffected dogs (P = .07). Most larger branches were located dorsal or to the right of the aorta.</p><p><strong>Conclusion: </strong>The cisterna chyli of dogs with idiopathic chylothorax contained smaller and more numerous branches compared with that of unaffected dogs.</p><p><strong>Clinical significance: </strong>Altered cisterna chyli morphology may impact the surgical approach for cisterna chyli ablation in dogs with idiopathic chylothorax.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"223-229"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13538","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38588291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The influence of the choice of preemptive analgesia on long-term postsurgical pain after tibial plateau leveling osteotomy in dogs.","authors":"William Pownall,&nbsp;Ulrich Rytz,&nbsp;Gertraud Schuepbach,&nbsp;Claudia Spadavecchia,&nbsp;Helene Rohrbach","doi":"10.1111/vsu.13515","DOIUrl":"https://doi.org/10.1111/vsu.13515","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the prevalence of chronic postsurgical pain (CPSP) after tibial plateau leveling osteotomy (TPLO) in dogs and to determine the influence of preemptive locoregional analgesia on CPSP.</p><p><strong>Study design: </strong>Retrospective study.</p><p><strong>Animals: </strong>One hundred twenty client-owned dogs.</p><p><strong>Methods: </strong>Medical records of dogs that underwent TPLO between 2012 and 2016 were reviewed for demographic information and type of preemptive analgesia. Owners were contacted to retrospectively assess the quality of life of their dogs by using the Helsinki Chronic Pain Index (HCPI) before and 6 months after surgery and at the time of questioning. An HCPI score > 12 was considered indicative of CPSP. Medical records were reviewed for demographic information and type of preemptive analgesia. A cumulative logit model was used to assess correlation of type of perioperative analgesia, HCPI, and demographic data.</p><p><strong>Results: </strong>The HCPI score was consistent with CPSP in 41 of 101 dogs with long-term follow-up (2.9 ± 1.5 years after surgery). Chronic postsurgical pain was documented in 11 of 32 and 13 of 28 dogs that received a spinal or epidural injection, respectively, or in 28 of 80 and 25 of 67 dogs with sciatic-femoral block at 6 months or with long-term follow-up after TPLO, respectively (P > .05). A negative correlation was found between HCPI and both weight and age 6 months after surgery. Only weight remained negatively correlated 2.9 years after surgery.</p><p><strong>Conclusion: </strong>Forty-one percent of dogs that were evaluated exhibited HCPI values compatible with CPSP long-term after TPLO, regardless of the type of preemptive analgesia. Increased body weight was a negative prognostic factor for CPSP development.</p><p><strong>Clinical significance: </strong>Additional studies are required to evaluate CPSP development after TPLO.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"71-80"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13515","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38403428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasonographic evaluation of the width, thickness, and length of the normal linea alba in standing and dorsal recumbent horses.","authors":"Maria E Verkade,&nbsp;Joanna Suthers,&nbsp;Peter Wiemer,&nbsp;Ann Martens,&nbsp;Eva De Clercq,&nbsp;John Burford","doi":"10.1111/vsu.13528","DOIUrl":"https://doi.org/10.1111/vsu.13528","url":null,"abstract":"<p><strong>Objective: </strong>To determine the variability in length, width, and thickness of the equine linea alba (LA) and the effect of a standing vs dorsal recumbent position on these measurements.</p><p><strong>Study design: </strong>Descriptive anatomical comparative study.</p><p><strong>Animals: </strong>Standing horses (N = 75; in 30 horses, measurements were obtained in dorsal recumbency first and repeated after horses were standing).</p><p><strong>Methods: </strong>Linea alba length was measured in standing position from xiphoid to umbilicus, and transverse ultrasonographic images were obtained at five reference points to measure LA width and thickness. In 30 horses, measurements were obtained in dorsal recumbency first and repeated after horses were standing.</p><p><strong>Results: </strong>There was wide variation in LA width and thickness between standing horses, with gradual increase from xiphoid (range, 0.14-0.64 cm) to umbilicus (range, 0.2-2.97 cm). Linea alba length in standing position was 51.09 ± 6.219 cm. Width was independent of the size of the horse; thickness and length were correlated at some reference points to height (r = 0.346-585, P < .05) and weight (r = 0.324-0.642, P < .05). Different LA shapes could be identified. In dorsal recumbency, the LA was smaller in width at all reference points (15%-23%, P < .05) and shorter (20%, P < .001) compared with standing.</p><p><strong>Conclusion: </strong>In addition to the wide variability in LA measurements and shapes between horses, there was a significant decrease in LA width and length when horses changed from standing to dorsal recumbency.</p><p><strong>Clinical significance: </strong>The difference in LA length and width between dorsal recumbency and when standing could increase tension on sutures after laparotomy and should be taken into account when surgeons are closing the abdomen.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"158-169"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13528","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38477447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of a microvascular anastomotic coupler for end-to-side arterial and venous anastomosis for feline renal transplantation.","authors":"Megan A Mickelson,&nbsp;Robert J Hardie,&nbsp;Adrien-Maxence Hespel,&nbsp;Jennifer Dreyfus","doi":"10.1111/vsu.13512","DOIUrl":"https://doi.org/10.1111/vsu.13512","url":null,"abstract":"<p><strong>Objective: </strong>To describe the technique and determine the feasibility of an end-to-side (ETS) anastomosis of the renal vein to vena cava and renal artery to aorta using a microvascular anastomotic coupler (MAC) for feline renal transplantation.</p><p><strong>Study design: </strong>In vivo experimental study.</p><p><strong>Animals: </strong>Six purpose-bred domestic shorthair cats.</p><p><strong>Methods: </strong>The left kidney was autotransplanted using a MAC for ETS vascular anastomosis. Outcomes included intraoperative hemorrhage from the anastomosis sites, duration of anastomoses, surgical complications, postoperative renal perfusion (including resistive index (RI)) measured by Doppler ultrasonography and computed tomography angiography, and histopathological examination of the left kidney and anastomosis sites (30 days).</p><p><strong>Results: </strong>Anastomosis was successful in all cats, and intraoperative hemorrhage was negligible. Intraoperative renal perfusion was considered excellent. Venous and arterial anastomoses were completed in 11 minutes 20 seconds (range, 6:38-13:27) and 21 minutes 50 seconds (range, 11:05-30:24), respectively. Vascular occlusion time was 32 minutes (17:43-42:03). One cat was euthanized 5 hours postoperatively because of bleeding from a muscular arterial branch of the dorsal aorta causing hemoabdomen. Renal perfusion and RI of the remaining five cats were within normal range (<0.8) and similar to the contralateral kidney at all time points. Endothelialization of the anastomosis was complete with mild-to-moderate fibrosis surrounding the MAC in all cats.</p><p><strong>Conclusion: </strong>End-to-side anastomosis of the renal vein and artery to the vena cava and aorta, respectively, was consistently achieved in all six cats with the MAC.</p><p><strong>Clinical significance: </strong>The use of the MAC may be considered as an alternative to hand suturing for ETS anastomoses for feline renal transplantation.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"213-222"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13512","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38529981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of skull biometrics on cosmetic reconstruction after incisivectomy and nasal planectomy reconstruction in dogs.","authors":"Stephanie L Goldschmidt,&nbsp;Gavin McKibben,&nbsp;Aaron Rendahl,&nbsp;Kristina M Kiefer","doi":"10.1111/vsu.13535","DOIUrl":"https://doi.org/10.1111/vsu.13535","url":null,"abstract":"<p><strong>Objective: </strong>To identify biometric skull measurements that are associated with tension and excess narrowing of the resultant nasal aperture during cosmetic nasal planectomy reconstruction.</p><p><strong>Study design: </strong>Ex vivo study.</p><p><strong>Animals: </strong>Twenty cadavers of mesocephalic dogs.</p><p><strong>Methods: </strong>Cosmetic reconstruction was performed after incisivectomy and nasal planectomy. Preoperative and intraoperative skull measurements included width of the nasal planum, rostral and caudal maxilla, labial flap, and maxilla at ostectomy site; the length of the nose, labial flap, and philtrum incision; lip thickness; and philtrum placement. Ratios of select width to length measurements were calculated. Correlation was tested between skull biometrics and tension during reconstruction as well as resulting opening of the nasal aperture.</p><p><strong>Results: </strong>Breeds included golden retriever, pit bull, Labrador retriever, beagle, shepherd, basset hound, boxer mix, cocker spaniel, and Great Dane. No biometric ratios were predictive of procedural success. The most important objective measurements that were significantly correlated with inferior outcome included width of the nasal planum (>3 cm), width of the caudal maxilla (>6.2 cm), lip thickness (>0.5 cm), width of the labial flap (>2.9 cm), length of the incision created to make the cosmetic \"philtrum\" (longer incisions >2.8 cm), and philtrum placement (more dorsal placement).</p><p><strong>Conclusion: </strong>Tension during reconstruction and decreased resultant nasal aperture were associated with wider facial features and thicker lips as well as directly impacted by cosmetic philtrum design and placement.</p><p><strong>Clinical significance: </strong>Standardized preoperative measurements may help guide clinical decision making in choosing and executing a nasal planectomy reconstructive technique.</p>","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":" ","pages":"89-103"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/vsu.13535","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38642092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}