{"title":"Predicting return to racing after repair of fractures of the metacarpal/metatarsal condyles in Thoroughbred racehorses.","authors":"Natalie Young, F. Corletto, I. Wright","doi":"10.1111/vsu.13820","DOIUrl":"https://doi.org/10.1111/vsu.13820","url":null,"abstract":"OBJECTIVE\u0000To identify prognostic factors for return to racing after lag screw repair of condylar fractures and develop a predictive model for return to racing.\u0000\u0000\u0000STUDY DESIGN\u0000Retrospective cohort study.\u0000\u0000\u0000ANIMALS\u0000A total of 356 horses referred to a single referral hospital in the UK with a third metacarpal/metatarsal condylar fracture between January 1999 and December 2018.\u0000\u0000\u0000METHODS\u0000Age, sex, fracture site, fracture characteristics, surgery related variables and complications were retrieved from case records. Data were divided into two sets for model training and model validation. Univariable analyses were performed, and predictors were selected in a stepwise fashion for inclusion in the multivariable logistic regression model. Sensitivity and specificity were evaluated using the second dataset.\u0000\u0000\u0000RESULTS\u0000Older horses, fillies, fractures of forelimbs, complex, complete, displaced or propagating fractures and concurrent proximal sesamoid bone fracture were negatively associated with return to racing. Colts and geldings were 3 and 4 times more likely to race than fillies, respectively. Horses with hindlimb, incomplete or nonpropagating fractures were 4, 5 and 4 times more likely to race than those with a forelimb, complete or propagating fracture, respectively. Using a predicted probability cut-off threshold of 0.5, a predictive model was created within one dataset (sensitivity = 84%, specificity = 50.5%) and applied to another (sensitivity = 83.1%, specificity = 24.0%).\u0000\u0000\u0000CONCLUSION\u0000Negative prognostic factors were identified and led to a predictive model with acceptable sensitivity and specificity in the tested population.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000The results provide proof of concept for the model in the reported population and justify further validation in different populations of horses.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129676992","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":"Arthroscopic removal of osteochondral fragments located within the condylar fossa of the third metacarpus/metatarsus in Thoroughbred yearlings.","authors":"C. K. Barton, C. Sandow, D. Rodgerson","doi":"10.1111/vsu.13824","DOIUrl":"https://doi.org/10.1111/vsu.13824","url":null,"abstract":"OBJECTIVE\u0000To describe an arthroscopic technique for the removal of osteochondral fragments located within the condylar fossa of the third metacarpal/tarsal bone.\u0000\u0000\u0000STUDY DESIGN\u0000Retrospective study.\u0000\u0000\u0000ANIMALS\u0000Thoroughbred yearlings (n = 11).\u0000\u0000\u0000METHODS\u0000Osteochondral fragments located within the condylar fossa of the third metacarpal/tarsal bone identified during presale radiographic examination were removed via arthroscopy, assisted with ultrasonography in select cases. Complete fragment removal was confirmed by intraoperative radiography.\u0000\u0000\u0000RESULTS\u0000Fragments were successfully removed using rongeurs following dissection of soft tissue attachments using a bipolar radiofrequency probe. No postoperative complications occurred.\u0000\u0000\u0000CONCLUSIONS\u0000An ipsilateral arthroscopic and instrument portal coupled with ultrasound assistance and a radiofrequency probe allowed for successful removal of fragments located within the condylar fossa of the third metacarpal/tarsal bone. The technique allowed for the removal of the unstable osteochondral fragment and associated physical debris.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000The described surgical technique enables the removal of osteochondral fragments located within the condylar fossa of the third metacarpal/tarsal bone with minimal disruption to the surrounding soft tissues.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115180507","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}
J. Quitzan, Ameet Singh, H. Beaufrère, Tarek M Saleh
{"title":"Influence of staple line number and configuration on the leakage of small intestinal functional end-to-end stapled anastomosis: An ex vivo study.","authors":"J. Quitzan, Ameet Singh, H. Beaufrère, Tarek M Saleh","doi":"10.1111/vsu.13818","DOIUrl":"https://doi.org/10.1111/vsu.13818","url":null,"abstract":"OBJECTIVE\u0000To determine the influence of the staple line configuration on the leakage of small intestinal functional end-to-end stapled anastomosis (FEESA).\u0000\u0000\u0000STUDY DESIGN\u0000Experimental, ex vivo, randomized study.\u0000\u0000\u0000SAMPLE POPULATION\u0000Jejunal segments (N = 72) from 10 mature, canine cadavers.\u0000\u0000\u0000METHODS\u0000Jejunal segments (10 cm) were randomly assigned to a control group (8 segments) and 4 FEESA groups (16 segments/group (8 constructs/group)), according to the number of rows of staples used in the vertical (V) and transverse lines (T), respectively: Control, 2-row V/2-row T (2V/2T), 2-row V/3-row T (2V/3T), 3-row V/2-row T (3V/2T), 3-row V/3-row T (3V/3T). Initial leak pressure (ILP), maximum intraluminal pressure (MIP), and initial leakage location (ILL) were compared.\u0000\u0000\u0000RESULTS\u0000The ILP (mean ± SD) for control segments, 2V/2T, 2V/3T, 3V/2T and 3V/3T were 321.38 ± 34.59, 32.88 ± 7.36, 50.13 ± 10.46, 34.38 ± 11.78, 69.88 ± 21.23 mmHg, respectively. All FEESAs initially leaked at lower pressures than intact segments. The only other differences detected between groups consisted of ILPs that were higher when FEESAs were closed with 3V/3T (69.88 ± 21.23 mmHg) than 2V/2T (32.88 ± 7.36, P < .001). Initial leakage occurred predominantly from the transverse staple line rather than the anastomotic crotch (P < .001).\u0000\u0000\u0000CONCLUSION\u0000Placing 3 rows of staples in the transverse line (with or without a third row in the vertical staple line) improved resistance to leakage of FEESAs in normal cadaveric specimens.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000The addition of a third row of staples in the transverse line (with or without a third row in the vertical staple line) in FEESAs should be further investigated as a strategy to reduce intestinal leakage clinically.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130821762","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}
K. Garrett, R. Embertson, S. Hopper, J. B. Woodie, K. McQuerry
{"title":"Preoperative computed tomographic evaluation of neonatal foals with rib fractures.","authors":"K. Garrett, R. Embertson, S. Hopper, J. B. Woodie, K. McQuerry","doi":"10.1111/vsu.13817","DOIUrl":"https://doi.org/10.1111/vsu.13817","url":null,"abstract":"OBJECTIVE\u0000To compare ultrasonographic and computed tomographic findings in neonatal foals prior to surgical repair of rib fractures as well as postoperative outcomes in foals with and without preoperative thoracic computed tomography (CT). Study design Retrospective cohort study. Sample population 43 neonatal foals undergoing surgical treatment of rib fractures between 2013 and 2021.\u0000\u0000\u0000METHODS\u0000Medical records were reviewed for age, sex, delivery method, comorbidities, presurgical anesthetic time, surgical time, number and location of fractured ribs identified with ultrasound and CT, number and location of ribs surgically repaired, survival to discharge, and post-mortem findings. Statistical analyses were performed using chi-square, Fisher's exact, and t-tests.\u0000\u0000\u0000RESULTS\u0000Twenty-two foals underwent surgical repair of rib fractures after preoperative CT from 2019-2021 (median: 4/18/20) and 21 foals were anesthetized (20 underwent repair) for surgical repair of rib fractures without preoperative CT from 2013-2020 (median: 4/9/15). Ultrasound and CT findings differed in number and location of fractured ribs in 13/17 (76%) foals (p = .049). More cranially positioned ribs were identified as fractured with CT than with ultrasonography (p = .035). Survival to discharge was improved when foals underwent CT (20/22, 91%) than when they did not (12/20, 60%, p = .019).\u0000\u0000\u0000CONCLUSION\u0000Ultrasound findings differed from CT findings in most foals. Foals evaluated with CT were more likely to survive to hospital discharge.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000When available, CT is recommended prior to surgical repair of rib fractures in neonatal foals.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122433113","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":"Standing laparoscopy combined with a conventional inguinal approach to treat extended septic funiculitis in 12 horses.","authors":"F. Comino, M. Röcken, D. Gorvy","doi":"10.1111/vsu.13809","DOIUrl":"https://doi.org/10.1111/vsu.13809","url":null,"abstract":"OBJECTIVE\u0000To describe a 2-step surgical procedure combining standing laparoscopy with a conventional inguinal approach to treat deep intra-abdominal funiculitis (extended septic funiculitis) after castration.\u0000\u0000\u0000STUDY DESIGN\u0000Retrospective case series.\u0000\u0000\u0000SAMPLE POPULATION\u0000Twelve client-owned horses.\u0000\u0000\u0000METHODS\u0000Medical records of horses treated for extended septic funiculitis with the 2-step surgical procedure were reviewed. Data collected included the initial castration technique, number of surgical interventions for septic funiculitis prior to presentation, clinical signs, diagnostic and surgical procedure, and short-term and long-term survival.\u0000\u0000\u0000RESULTS\u0000Complete resection of the infected spermatic cord was achieved without intraoperative complications. Intra-abdominal adhesions were documented in 6 horses, involving the ascending colon (4 cases) and descending colon (2 cases). Postoperatively, minor incisional swelling (2/12) and emphysema (3/12) at the laparoscopic portals were observed. All horses survived to discharge. At 3 months, wounds had completely healed without complications. No recurrence of signs was recorded at long-term follow up (4-36 months after discharge).\u0000\u0000\u0000CONCLUSION\u0000In cases of extended septic funiculitis, complete resection of the infected spermatic cord can be safely performed using a laparoscopic-assisted surgical approach, reducing postoperative complications and risk of recurrence of infection.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"225 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115603064","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}
S. Zetterström, L. Boone, R. Farag, W. Weimar, F. Caldwell
{"title":"Effect of single and double hemitenotomy on equine deep digital flexor tendon length and strength in experimental load challenges.","authors":"S. Zetterström, L. Boone, R. Farag, W. Weimar, F. Caldwell","doi":"10.1111/vsu.13808","DOIUrl":"https://doi.org/10.1111/vsu.13808","url":null,"abstract":"OBJECTIVE\u0000To evaluate a double hemitenotomy (DHT) technique as an alternative to complete deep digital flexor (DDFT) tenotomy.\u0000\u0000\u0000STUDY DESIGN\u0000Experimental ex vivo study.\u0000\u0000\u0000SAMPLE POPULATION\u0000Isolated DDFTs (n = 30) and cadaveric forelimbs (n = 16).\u0000\u0000\u0000METHODS\u0000In part 1, 15 isolated DDFT pairs were used. Two hemitenotomies were created in 1 DDFT while the other served as reference. Monotonic tensile load was applied. Tendon lengthening, load reduction, and load at failure were recorded. In part 2, 16 cadaveric forelimb pairs were subjected to DHT followed by complete tenotomy (CT) under monotonic compressive load. Differences between DHT and controls were assessed with Wilcoxon signed rank tests or Friedman tests.\u0000\u0000\u0000RESULTS\u0000In isolated tendons and cadaveric forelimbs, DHT resulted in DDFT lengthening (median, +1.9 mm and + 3.05 mm) and load reduction (median, -16.7 and -11.2 kg). Less lengthening was achieved with DHT compared to CT (P = .008). Load reduction did not occur between DHT and CT was observed during compressive testing (P = 1). Load reduction following the first hemitenotomy incision was smaller when compared to the second (P = .022). Isolated DHT tendons failed at a tensile load of 195 kg, while no intact tendons failed (P = .0001).\u0000\u0000\u0000CONCLUSION\u0000Double hemitenotomy was comparable to CT in load reduction. It reduced tensile strength, but load at failure was similar or exceeded the estimated DDFT load at stance.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000Hemitenotomy may be a useful alternative for surgical management of horses with laminitis, but in vivo studies are needed to confirm these findings.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121128898","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":"Perineal hernia repair in dorsal recumbency in 23 dogs: Description of technique, complications, and outcome.","authors":"K. Tobias, K. Crombie","doi":"10.1111/vsu.13812","DOIUrl":"https://doi.org/10.1111/vsu.13812","url":null,"abstract":"OBJECTIVE\u0000To describe repair of perineal hernias in dogs positioned in dorsal recumbency.\u0000\u0000\u0000STUDY DESIGN\u0000Retrospective case series.\u0000\u0000\u0000SAMPLE POPULATION\u0000Twenty-three dogs with perineal hernias treated by herniorrhaphy, with or without adjunctive procedures.\u0000\u0000\u0000METHODS\u0000Medical records from 2016 to 2020 were reviewed for technique description and animal outcomes, and owners and referring veterinarians were contacted for follow-up information.\u0000\u0000\u0000RESULTS\u0000Internal obturator muscle transposition (IOMT) was performed in 22 dogs, and polypropylene mesh repair was performed in one dog. Transection of the internal obturator tendon was feasible in all dogs undergoing IOMT. Eighteen dogs underwent abdominal pexy procedures, castration, or both during the same anesthetic period. No intraoperative complications were noted. Postoperative complications were noted in the hospital in 14 dogs and after release in 11. Incisional infection/drainage and persistent urinary incontinence were reported in four and two dogs, respectively. Hernias reoccurred in four dogs and tended to be more common in dogs that had undergone previous herniorrhaphies (p = .053). Recurrence rates were lowest in dogs that had no prior hernia repair or organ pexy (p = .035).\u0000\u0000\u0000CONCLUSION\u0000Perineal hernia repair was feasible in dorsal recumbency. Complication and recurrence rates of perineal herniorrhaphy in dorsal recumbency were similar to those reported for dogs undergoing the procedure in sternal recumbency.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000Positioning of patients for perineal hernia repair can be dictated by surgeon preference. Perineal hernia repair in dorsal recumbency allows a single-stage abdominal and perineal approach without repositioning.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"416 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134467337","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}
Priscila R Yanai, M. Ferraro, Andressa F K T Lima, S. G. Cortopassi, Luis Claudio L C Silva
{"title":"Surgical contraception of free-ranging female capybaras: Description and comparison of open and minimally invasive techniques.","authors":"Priscila R Yanai, M. Ferraro, Andressa F K T Lima, S. G. Cortopassi, Luis Claudio L C Silva","doi":"10.1111/vsu.13806","DOIUrl":"https://doi.org/10.1111/vsu.13806","url":null,"abstract":"OBJECTIVE\u0000To develop, describe, and evaluate 2 surgical techniques for contraception of free-ranging female capybaras.\u0000\u0000\u0000STUDY DESIGN\u0000Prospective study.\u0000\u0000\u0000ANIMALS\u0000Cadaveric (n = 3) and free-ranging female capybaras (n = 21).\u0000\u0000\u0000METHODS\u0000Preliminary studies of surgical anatomy were performed on 3 capybara cadavers. Two different techniques for partial salpingectomy were evaluated in free-ranging female capybaras: bilateral minilaparotomy (LTG; n = 11) or bilateral laparoscopy (LCG; n = 10). Data concerning body weight, tubal ligation time, total surgical time, incision size, and intraoperative and postoperative complications were analyzed, as well as the clinical status and incisional healing 1 week postoperatively.\u0000\u0000\u0000RESULTS\u0000Body weight (P = .214), ligation time of the left uterine tube (P = .901), and total surgical time (P = .473) were similar between the experimental groups. The ligation time of the right uterine tube was shorter in the LCG group (P = .0463). In the LTG, no differences were observed between the sides regarding the incision size (P = .478). No major intraoperative or postoperative complications occurred in either group. One LCG procedure had to be converted to LTG due to technical issues. All skin incisions healed without complication.\u0000\u0000\u0000CONCLUSION\u0000Both procedures showed similar and satisfactory outcomes.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000The proposed techniques may be a suitable alternative to conventional laparotomy for contraception of female capybaras, especially under field conditions.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128957071","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":"Medial epicondylar fissure fracture as a complication of transcondylar screw placement for the treatment of humeral intracondylar fissure.","authors":"G. Jenkins, A. Moores","doi":"10.1111/vsu.13800","DOIUrl":"https://doi.org/10.1111/vsu.13800","url":null,"abstract":"OBJECTIVE\u0000To report the incidence of medial epicondylar fissure fracture (MEFF) after medial-to-lateral transcondylar screw placement in dogs with humeral intracondylar fissure (HIF) and to identify risk factors for MEFF.\u0000\u0000\u0000STUDY DESIGN\u0000Retrospective study.\u0000\u0000\u0000SAMPLE POPULATION\u0000Seventy-four client-owned dogs (88 elbows).\u0000\u0000\u0000METHODS\u0000Medical records of dogs surgically treated for HIF, and postoperative imaging studies were reviewed for demographics, fracture characteristics, and repair techniques. The width of the transcondylar screw was expressed relative to the height of the condyle. Screw angle and degree of countersinking were recorded. Information from case records and follow-up radiographs were used to identify complications.\u0000\u0000\u0000RESULTS\u0000Medial epicondylar fissure fracture was identified in 10 elbows (11.4%) following medial-to-lateral transcondylar screw placement: 4 cases were detected intraoperatively, 2 on immediate postoperative radiographs, 1 during routine radiographic follow up, and 3 when radiographs were reviewed for this study. A larger relative screw size was found to increase the risk of MEFF (P = .004, OR = 1.5). Fifteen additional complications were identified in 13/80 elbows at a median of 6 weeks postoperatively (range 1-56 weeks). Screw loosening was the most frequent complication (n = 9) and was the only complication in dogs with MEFF (n = 3); MEFF tended to increase the risk of perioperative screw loosening (P = .06).\u0000\u0000\u0000CONCLUSION\u0000Medial epicondylar fissure fracture occurred in 10/88 elbows treated for HIF and was more common in elbows treated with a larger screw size relative to the height of the condyle.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000Placing transcondylar screws with a diameter inferior to 41% of the height of the condyle is recommended to avoid MEFF. Medial epicondylar fissure fracture appears to have a low clinical significance in the perioperative period, although its effect on long-term outcome remains unknown.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130141801","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 the superior and inferior labial musculomucosal flaps in cats: An angiographic study and case series.","authors":"Laura E Canever, D. Degner","doi":"10.1111/vsu.13811","DOIUrl":"https://doi.org/10.1111/vsu.13811","url":null,"abstract":"OBJECTIVE\u0000To evaluate the angiosomes of the superior and inferior labial arteries in the cat and describe the use of a musculomucosal axial pattern flap incorporating each artery for reconstruction of palatal defects in cats.\u0000\u0000\u0000STUDY DESIGN\u0000Cadaveric study and a series of two clinical cases.\u0000\u0000\u0000SAMPLE POPULATION\u0000Five feline cadavers and two client-owned cats.\u0000\u0000\u0000METHODS\u0000The common carotid arteries of five feline cadavers were injected with barium sulfate. Radiographs of excised tissue specimens were examined to map the location of the superior and inferior labial arteries and to visualize each angiosome available for an axial pattern flap. Labial musculomucosal flaps were utilized to reconstruct palatal defects in two live cats.\u0000\u0000\u0000RESULTS\u0000The superior and inferior labia were predominantly perfused by the superior and inferior labial arteries, respectively, and the angiosome of each artery encompassed the majority of its respective labium. Comparative positive contrast angiograms revealed the vascular supply was located within the musculomucosal layer. Reconstruction of recurrent palatal defects utilizing musculomucosal flaps based on these angiosomes in two clinical cases was successful with complete survival of the flaps.\u0000\u0000\u0000CONCLUSION\u0000The upper and lower lips were found to have robust vascular supplies within the musculomucosal layer which can support musculomucosal axial pattern flaps.\u0000\u0000\u0000CLINICAL SIGNIFICANCE\u0000This information provides the veterinary surgeon with additional surgical options for reconstruction of central and caudal palatal defects in the cat.","PeriodicalId":123280,"journal":{"name":"Veterinary surgery : VS","volume":"725 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123850843","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}