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2. Thromboelastographic results and hypercoagulability in dogs with surgically treated hepatocellular adenoma and carcinoma: A Veterinary Society of Surgical Oncology prospective study.

Author

Fontes, Gabrielle S., Wavreille, Vincent A., Lapsley, Janis M., Cooper, Edward S., Guillaumin, Julien, and Selmic, Laura E.

Subjects
*ONCOLOGIC surgery, *HEPATOCELLULAR carcinoma, *LONGITUDINAL method, *DOGS, *DOG surgery, *PLATELET count
Abstract

Background: The most common haemostatic abnormality in dogs with cancer is hypercoagulability. A transient hypercoagulability has been documented in people with hepatocellular carcinoma (HCC) that resolves within weeks following hepatic tumour resection. Objective: The objective was to compare the haemostatic status of dogs with liver tumours and healthy control dogs, by comparing coagulation and thromboelastography (TEG) measurements at three time points. Methods: Liver tumour and healthy control dogs receiving surgery for liver lobectomy and ovariohysterectomy, respectively, were prospectively enrolled. All dogs had blood collected at three time points: pre‐operative, 24 h post‐operative and ~2 weeks post‐operative. Haematological and haemostatic values were compared across time points in each group using repeated measures ANOVA tests. Results: Ten and eight dogs were enrolled for the liver and control groups, respectively. Platelet count was significantly higher in the liver group than the control group at all time points, but within the normal range (pre‐operative: 438.7 vs. 300.9 × 109/L, p =.0078; 24 h post‐operative: 416.2 vs. 283.9 × 109/L, p =.0123; 10–14 days post‐operative: 524.6 vs. 317.3 × 109/L, p =.0072). The measure of the overall coagulant state (G‐value) was significantly increased for the liver group compared to the control group at all time points (pre‐operative: 15.6 vs. 8.6 d/sc, p =.0003; 24 h post‐operative: 18.3 vs. 11.2 d/sc, p =.039; 10–14 days post‐operative: 15.1 vs. 9.6 d/sc, p =.015). Conclusion: The liver group was hypercoagulable based on elevated G‐values at all time points compared to the control group. This hypercoagulability was attributed to the effect of hepatic tumours alone, and not secondary to surgery and anaesthesia. [ABSTRACT FROM AUTHOR]

Published
2023
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5. Veterinary student urethral catheterization of small female cats and dogs using 2 urethral catheterization techniques

Author

Dornbusch, Josephine A., Selmic, Laura E., Sadowitz, Peter M., Coleman, Mary, Bednarski, Linda, Skock, Brian, McLoughlin, Mary, Howard, James, and Wavreille, Vincent A.

Subjects
Dogs, Urethra, Cats, Animals, Humans, Scientific, Female, Clinical Competence, Urinary Catheterization, Students
Abstract

Compare veterinary student success at urethral catheterization of small female cats and dogs using traditional and novel 2-catheter techniques.Healthy anesthetized female cats (Two junior (Year 3) veterinary students with no previous urethral catheterization experience participated. Each pet was catheterized by 1 student using both the traditional blind technique and the novel 2-catheter method (placement of a large red rubber catheter into the vaginal canal prior to insertion of the conventional catheter). Technique order was randomized and attempts for each technique was allowed for up to 3 min. Time to successful catheterization and catheterization success within the allotted time were recorded.Successful urethral catheterization was performed using the traditional blind and novel 2-catheter techniques in 56.3 and 87.5% of cases, respectively.Students had a higher rate of successful catheterization with the 2-catheter catheterization technique in this report.Urethral catheterization in small female cats and dogs is technically challenging, which is compounded by the inability to consistently and reliably palpate loco-regional anatomic landmarks due to the small sized vestibules. Data from this report will be used to design future studies to assess the utility of this novel urethral catheterization technique for teaching inexperienced students this challenging clinical skill.Résumé.Comparez le succès des étudiants vétérinaires lors du cathétérisme urétral de petites chattes et chiennes en utilisant des techniques traditionnelles et nouvelles à deux cathéters.Chattes (Deux étudiants vétérinaires juniors (3Un cathétérisme urétral réussi a été réalisé en utilisant les techniques traditionnelles à l’aveugle et les nouvelles techniques à deux cathéters dans 56,3 et 87,5 % des cas, respectivement.Les étudiants avaient un taux plus élevé de cathétérisme réussi avec la technique de cathétérisme à deux cathéters dans ce rapport.Le cathétérisme urétral chez les petites chattes et chiennes est techniquement difficile, ce qui est aggravé par l’incapacité de palper de manière cohérente et fiable les repères anatomiques loco-régionaux en raison des vestibules de petite taille. Les données de ce rapport seront utilisées pour concevoir de futures études afin d’évaluer l’utilité de cette nouvelle technique de cathétérisme urétral pour enseigner aux étudiants inexpérimentés cette habileté clinique difficile.(Traduit par D

Published
2022

6. Risk factors and outcome in dogs with recurrent massive hepatocellular carcinoma: A Veterinary Society of Surgical Oncology case-control study

Author

Lapsley, Janis M., Wavreille, Vincent, Barry, Sabrina, Dornbusch, Josephine A., Chen, Carolyn, Leeper, Haley, Bertran, Judith, Scavelli, Diane, Liptak, Julius M., Wood, Chris, Shamir, Shelly, Rosenbaum, Claire, Montinaro, Vincenzo, Wustefeld-Janssens, Brandan, Sterman, Allyson, Chik, Colin, Singh, Ameet, Collins, Josh, Selmic, Laura E., Lapsley, Janis M., Wavreille, Vincent, Barry, Sabrina, Dornbusch, Josephine A., Chen, Carolyn, Leeper, Haley, Bertran, Judith, Scavelli, Diane, Liptak, Julius M., Wood, Chris, Shamir, Shelly, Rosenbaum, Claire, Montinaro, Vincenzo, Wustefeld-Janssens, Brandan, Sterman, Allyson, Chik, Colin, Singh, Ameet, Collins, Josh, and Selmic, Laura E.

Abstract

Local recurrence after surgical excision of canine massive hepatocellular carcinoma (HCC) has been poorly studied in veterinary medicine with scant information published regarding risk factors for and outcome following recurrence. The aim of this case-control study was to describe the time to recurrence, evaluate potential risk factors for recurrence, and report the outcome in dogs with massive HCC. Medical records for 75 dogs who developed recurrence and 113 dogs who did not develop recurrence were reviewed. Statistical analyses were performed to determine risk factors for recurrence as well as the median time to develop recurrence and overall survival time (OS). None of the risk factors evaluated were significant for the development of recurrence. The median time to develop recurrence was 367 days (range 32-2096 days). There was no significant difference in median OS for dogs who developed recurrence vs. those who did not (851 vs. 970 days). For dogs with recurrent HCC, treatment at recurrence trended toward prolonged OS but was not significantly different from dogs not undergoing treatment at recurrence. There was no significant difference in median OS for dogs with histologically complete vs. incomplete tumour excision (990 vs. 903 days). Although specific risk factors for recurrence were not identified, elevations in liver values were noted in patients with recurrent disease and could act as a noninvasive surveillance tool. Recurrence was noted earlier in dogs who had routine post-operative surveillance (228 vs. 367 days). Routine surveillance for recurrence is recommended especially in dogs where further intervention is possible and should extend beyond 1 year. Patients with massive HCC have a good long-term prognosis regardless of incomplete excision, pulmonary metastasis, or recurrent local disease.

Published
2022
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7. Risk factors and outcome in dogs with recurrent massive hepatocellular carcinoma: A Veterinary Society of Surgical Oncology case–control study

Author

Lapsley, Janis M., primary, Wavreille, Vincent, additional, Barry, Sabrina, additional, Dornbusch, Josephine A., additional, Chen, Carolyn, additional, Leeper, Haley, additional, Bertran, Judith, additional, Scavelli, Diane, additional, Liptak, Julius M., additional, Wood, Chris, additional, Shamir, Shelly, additional, Rosenbaum, Claire, additional, Montinaro, Vincenzo, additional, Wustefeld‐Janssens, Brandan, additional, Sterman, Allyson, additional, Chik, Colin, additional, Singh, Ameet, additional, Collins, Josh, additional, and Selmic, Laura E., additional

Published
2022
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10. Diagnostic accuracy of optical coherence tomography for surgical margin assessment of feline injection‐site sarcoma

Author

Coleman, Mary J., primary, Selmic, Laura E., additional, Samuelson, Jonathan P., additional, Jennings, Ryan, additional, Huang, Pin‐Chieh, additional, McLaughlin, Eric M., additional, Wavreille, Vincent A., additional, Dornbusch, Josephine A., additional, Lapsley, Janis, additional, Howard, James, additional, Cheng, Edward, additional, Kalamaras, Alex, additional, Hearon, Kendra, additional, Cray, Megan, additional, Grimes, Janet, additional, Wustefeld‐Janssens, Brandan, additional, Kennedy, Katie, additional, Skinner, Owen, additional, Amsellem, Pierre, additional, and Boppart, Stephen A., additional

Published
2021
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15. Analysis of risk factors associated with complications following mandibulectomy and maxillectomy in dogs

Author

Cray, Megan, primary, Selmic, Laura E., additional, Kindra, Cameron, additional, Abrams, Brittany, additional, Story, Ashton, additional, Hovis, Kaitlan, additional, Wustefeld-Janssens, Brandan, additional, Park, Karen, additional, Grimes, Janet A., additional, Oblak, Michelle, additional, Chen, Carolyn, additional, Casale, Sue, additional, Rollins, Amanda, additional, Kennedy, Katie, additional, Wilson, Jordan, additional, Culp, William T. N., additional, and Wavreille, Vincent A., additional

Published
2021
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16. Case Report: Use of PET/CT to Guide Treatment in a Cat With Presentation Consistent With Hodgkin's-Like Lymphoma

Author

Chen, Carolyn L., primary, Cook, Matthew R., additional, Brown, Megan E., additional, Lumbrezer-Johnson, Sarah, additional, Hostnik, Eric T., additional, Lapsley, Janis M., additional, Lerche, Phillip, additional, Wavreille, Vincent A., additional, Menendez, Maria I., additional, Knopp, Michael V., additional, Linn, Sarah C., additional, Premanandan, Christopher, additional, and Selmic, Laura E., additional

Published
2021
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17. Spontaneous mural gallbladder hematoma in a dog

Author

Jerrems, Olivia, de Mello Souza, Carlos H., Wavreille, Vincent, and Davids, Benjamin I.

Subjects
Scientific
Abstract

A 12-year-old spayed female Maltese dog was evaluated because of a 12-hour history of vomiting, mucoid diarrhea, and anorexia. There was no history of trauma or injury. Abdominal ultrasound revealed a well-defined mass associated with the gallbladder. Abdominal computed tomography (CT) confirmed a non-contrast enhancing mass emanating from the gallbladder wall causing separation of the serosal and mucosal margins. Exploratory celiotomy followed by cholecystectomy was performed. Histology of the gallbladder mass was consistent with a mural hematoma and there were no signs of significant inflammation or neoplasia present. The patient remained clinically normal in the 3 months after surgery and is reported to be alive and well 4 years after the procedure. Key clinical message: To the author’s knowledge, this is the first reported case of a spontaneous mural hematoma of the gallbladder in the veterinary literature.

Published
2020

18. Outcomes of eight cats with oral neoplasia treated with radical mandibulectomy

Author

Boston, Sarah E, van Stee, Lucinda L, Bacon, Nicholas J, Szentimrey, David, Kirby, Barbara M, van Nimwegen, Sebastiaan, Wavreille, Vincent A, Boston, Sarah E, van Stee, Lucinda L, Bacon, Nicholas J, Szentimrey, David, Kirby, Barbara M, van Nimwegen, Sebastiaan, and Wavreille, Vincent A

Abstract

OBJECTIVE: To report outcomes after radical mandibulectomy in cats.STUDY DESIGN: Multi-institutional retrospective study.ANIMALS: Eight cats were included.METHODS: Medical records were searched for cats with confirmed oral neoplasia treated with radical mandibulectomy. Data collected included demographics, surgical procedure, histopathological diagnosis, postoperative management, and outcomes.RESULTS: Ages ranged from 8 to 17 years. All cats had 75% to 90% of the mandible removed and feeding tubes placed. Seven cats had squamous cell carcinoma, and one cat had a giant cell tumor. Six cats ate on their own postoperatively. Three cats had local recurrence and tumor-related died at 136 and 291 days. Six cats had no recurrence, with survival times of 156, 465, 608, and 1023 days, and two cats were still alive at 316 and 461 days after surgery. The three long-term survivors died of causes unrelated to oral neoplasia. One cat died at 156 days due to aspiration of food material. The overall estimated mean survival time was 712 days.CONCLUSION: After radical mandibulectomy, independent food intake was achieved in 6 of eight cats, and four cats lived longer than one year.CLINICAL SIGNIFICANCE: Radical mandibulectomy should be considered for the treatment of extensive oral neoplasia in cats. Successful long-term outcomes are possible with aggressive supportive care perioperatively.

Published
2020

19. Outcomes of eight cats with oral neoplasia treated with radical mandibulectomy

Author

LS Algemene chirurgie, dCSCA AVR, Boston, Sarah E, van Stee, Lucinda L, Bacon, Nicholas J, Szentimrey, David, Kirby, Barbara M, van Nimwegen, Sebastiaan, Wavreille, Vincent A, LS Algemene chirurgie, dCSCA AVR, Boston, Sarah E, van Stee, Lucinda L, Bacon, Nicholas J, Szentimrey, David, Kirby, Barbara M, van Nimwegen, Sebastiaan, and Wavreille, Vincent A

Published
2020

23. Diagnostic accuracy of optical coherence tomography for assessing surgical margins of canine soft tissue sarcomas in observers of different specialties

Author

Dornbusch, Josephine A., primary, Selmic, Laura E., additional, Huang, Pin‐Chieh, additional, Samuelson, Jonathan P., additional, McLaughlin, Eric M., additional, Wavreille, Vincent A., additional, Ogden, Jessica A., additional, Abrams, Brittany, additional, Kalamaras, Alex, additional, Green, Eric, additional, Hostnik, Eric T., additional, Every, Lincoln, additional, Fuerst, Jason A., additional, Jennings, Ryan, additional, Premanandan, Christopher, additional, Lorbach, Joshua N., additional, Linn, Sarah C., additional, Alex, Aneesh, additional, Sorrells, Janet E., additional, Yang, Lingxiao, additional, and Boppart, Stephen A., additional

Published
2020
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31. Outcomes associated with vaginectomy and vulvovaginectomy in 21 dogs

Author

Ogden, Jessica A., primary, Selmic, Laura E., additional, Liptak, Julius M., additional, Oblak, Michelle L., additional, Culp, William T. N., additional, Mello Souza, Carlos H., additional, Grimes, Janet A., additional, Traverson, Marine, additional, Cray, Megan, additional, Abrams, Brittany E., additional, and Wavreille, Vincent A., additional

Published
2020
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35. Evaluating optical coherence tomography for surgical margin assessment of canine mammary tumours.

Author

Fabelo, Carolina, Selmic, Laura E., Pin-Cheh Huang, Samuelson, Jonathan P., Reagan, Jennifer K., Kalamaras, Alexandra, Wavreille, Vincent, Monroy, Guillermo L., Marjanovic, Marina, and Boppart, Stephen A.

Subjects
SURGICAL margin, OPTICAL coherence tomography, TUMOR surgery, SURGICAL excision, NEAR infrared radiation, TUMORS, MAMMARY glands, ADIPOSE tissues
Abstract

Optical coherence tomography (OCT) uses near-infrared light waves to generate real-time, high-resolution images on the microscopic scale similar to low power histopathology. Previous studies have demonstrated the use of OCT for real-time surgical margin assessment for human breast cancer. The use of OCT for canine mammary tumours (CMT) could allow intra-operative visualisation of residual tumour at the surgical margins. The purpose of this study was to assess OCT imaging for the detection of incomplete tumour resection following CMT surgery. We hypothesized that the OCT images would have comparable features to histopathological images of tissues at the surgical margins of CMT resections along with a high sensitivity of OCT detection of incomplete surgical excision of CMT. Thirty surgical specimens were obtained from nineteen client-owned dogs undergoing surgical resection of CMT. OCT image appearance and characteristics of adipose tissue, skin, mammary tissue and mammary tumour at the surgical margins were distinct and different. The OCT images of normal and abnormal tissues at the surgical margins were utilized to develop a dataset of OCT images for observer evaluation. The sensitivity and specificity for ex vivo images were 83.3% and 82.0% (observer 1) and 70.0% and 67.9% (observer 2). The sensitivity and specificity for in vivo images were 70.0% and 89.3% (observer 1) and 76.7% and 67.9% (observer 2). These results indicate a potential use of OCT for surgical margin assessment for CMT to optimize surgical intervention and clinical outcomes. Improved training and experience of observers may improve sensitivity and specificity. [ABSTRACT FROM AUTHOR]

Published
2021
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36. The feasibility and utility of optical coherence tomography directed histopathology for surgical margin assessment of canine mast cell tumours.

Author

Dornbusch, Josephine A., Cocca, Christina, Jennings, Ryan, Samuelson, Jonathan, Vieson, Miranda, Huang, Pin-Chieh, Boppart, Stephen A., Wavreille, Vincent A., and Selmic, Laura E.

Subjects
SURGICAL margin, MAST cells, OPTICAL coherence tomography, HISTOPATHOLOGY, SURGICAL excision
Abstract

Histopathologic surgical margin assessment in veterinary patients is an imprecise science with assessment limited to a small proportion of the surgical margin due to time and finances. Incomplete excision of canine mast cell tumours (MCTs) alters treatment recommendations and prognosis. Optical coherence tomography (OCT) is a novel imaging modality that has been reported in a single veterinary study for surgical margin assessment. Twenty-five dogs with 34 MCTs were enrolled in a prospective pilot-study to assess the imaging characteristics of canine MCTs with OCT and to evaluate the feasibility and utility of OCT-guided histopathology. All dogs underwent routine surgical excision of MCTs. OCT imaging was used to assess the entire surgical margin prior to placement in formalin. Either normal areas or areas suspected of incomplete MCT excision were inked. Standard histopathologic sectioning and tangential sectioning of inked areas were performed and compared to OCT results. OCT identified MCT near the surgical margin in 10 of 26 specimens (38.4%). Four specimens suspicious for incomplete margins on OCT had incomplete MCT excision that was missed on standard histopathologic sectioning. Six specimens had OCT-guided sections taken as suspicious, which did not show MCT on histopathology. OCT-guided pathology sections were able to detect incompletely excised MCT near the surgical margin with a sensitivity of 90% and specificity of 56.2% in this preliminary study. OCT imaging shows promise for guiding pathologists to areas of interest to improve the diagnostic accuracy of surgical margin assessment in excised canine MCTs. [ABSTRACT FROM AUTHOR]

Published
2021
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37. Optical coherence tomography imaging of excised canine apocrine gland anal sac adenocarcinoma tumours.

Author

Dornbusch, Josephine A., Selmic, Laura E., Huang, Pin-Chieh, Samuelson, Jonathan P., Cocca, Christina, Wavreille, Vincent A., and Boppart, Stephen A.

Subjects
APOCRINE glands, SURGICAL margin, HEMATOXYLIN & eosin staining, TUMORS, SARCOMA
Abstract

Optical coherence tomography (OCT) is an optical imaging modality that has been investigated for real-time surgical margin evaluation in human breast cancer patients. Previous veterinary OCT studies have been limited to surgical margin imaging for soft tissue sarcoma (STS) tumours. To the authors knowledge, OCT has never been used to characterize or evaluate other types of neoplasia in dogs. The goal of this study was to characterize the OCT imaging appearance of apocrine gland anal sac adenocarcinoma (AGASACA) in excised ex vivo specimens from five client-owned dogs. All excised tissue surgical margins were imaged using a clinical spectral domain OCT system and two to four areas suspicious for incomplete surgical margins were selected. These areas were inked and sections were trimmed for histopathology. This enabled OCT imaging from each area of interest to be compared with corresponding H&E stained histology imaging from the same location. OCT was able to identify the presence of AGASACA at or within 1 mm of the surgical margin in all areas of interest. AGASACA, similar to the previously described canine STS, generated a dense, highly scattering image without any specific textural architecture. This study was able to validate the ability of OCT to accurately identify another type of tumour presence at or close to the surgical margin in the dog. Further study is needed to assess OCT accuracy at identifying other tumour types in dogs to understand its potential clinical applications. [ABSTRACT FROM AUTHOR]

Published
2021
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38. Segmental mandibulectomy as a novel adjunct management strategy for the treatment of an advanced cholesteatoma in a dog

Author

Abrams, Brittany E., Selmic, Laura E., Cocca, Christina J., and Wavreille, Vincent A.

Subjects
otorhinolaryngologic diseases, Scientific
Abstract

A 6-year-old spayed female Labrador retriever dog was evaluated for trismus and peripheral vestibular syndrome. Computed tomography (CT) revealed a mass arising from the tympanic bulla consistent with a cholesteatoma. A total ear canal ablation, bulla osteotomy, and adjunct segmental mandibulectomy were performed. Re-evaluation 2 weeks after surgery revealed no neurologic abnormalities, normal jaw range of motion, and no discomfort. Despite concern for recurrence of cholesteatoma based on CT imaging performed 33 months after surgery, repeat surgical intervention was not pursued as the owner considered the dog’s comfort level to be satisfactory. The patient continued to do well for the 42-month follow-up period.

Published
2019

39. Computed tomographic characteristics of cavitary pulmonary adenocarcinoma in 3 dogs and 2 cats.

Author

Parry, Megan, Selmic, Laura E., Lumbrezer-Johnson, Sarah, Lapsley, Janis, Wavreille, Vincent A., and Hostnik, Eric

Subjects
SOFT tissue tumors, ADENOCARCINOMA, COMPUTED tomography, DOGS
Abstract

Copyright of Canadian Veterinary Journal / Revue Vétérinaire Canadienne is the property of Canadian Veterinary Medical Association and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021

43. Perioperative complications and outcome after surgery for treatment of gastric carcinoma in dogs: A Veterinary Society of Surgical Oncology retrospective study of 40 cases (2004–2018)

Author

Abrams, Brittany, primary, Wavreille, Vincent A., additional, Husbands, Brian D., additional, Matz, Brad M., additional, Massari, Federico, additional, Liptak, Julius M., additional, Cray, Megan T., additional, Mello Souza, Carlos Henrique, additional, Wustefeld‐Janssens, Brandan G., additional, Oblak, Michelle L., additional, Su, Lillian, additional, and Selmic, Laura E., additional

Published
2019
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46. Diagnostic accuracy of optical coherence tomography for assessing surgical margins of canine soft tissue sarcomas in observers of different specialties.

Author

Dornbusch, Josephine A., Selmic, Laura E., Huang, Pin‐Chieh, Samuelson, Jonathan P., McLaughlin, Eric M., Wavreille, Vincent A., Ogden, Jessica A., Abrams, Brittany, Kalamaras, Alex, Green, Eric, Hostnik, Eric T., Every, Lincoln, Fuerst, Jason A., Jennings, Ryan, Premanandan, Christopher, Lorbach, Joshua N., Linn, Sarah C., Alex, Aneesh, Sorrells, Janet E., and Yang, Lingxiao

Published
2021
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47. The outcome for feline non-hypersecretory thyroid carcinoma after thyroidectomy.

Author

Oramas, Alberto, Boston, Sarah, and Wavreille, Vincent

Subjects
THYROID cancer, THYROID gland, THYROIDECTOMY, LUNGS, SUSPICION
Abstract

Copyright of Canadian Veterinary Journal / Revue Vétérinaire Canadienne is the property of Canadian Veterinary Medical Association and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

49. Outcome after pneumonectomy in 17 dogs and 10 cats:A Veterinary Society of Surgical Oncology Retrospective Study

Author

Wavreille, Vincent, Boston, Sarah, Souza, Carlos, Ham, K, Chanoit, Guillaume, Rossetti, D, Takacs, J, and Milner, Rowan

Abstract

Objective: (1) To report signalment and outcome data from dogs and cats undergoing pneumonectomy; and (2) to document presenting clinical signs, surgical complications, histologic diagnosis, and postoperative complications. Study Design: Retrospective, multicenter study. Sample Population: Seventeen dogs and ten cats. Methods: Signalment, clinical signs, side affected, surgical data, pre-operative diagnostic tests (including complete blood count, serum biochemistry, cytological diagnosis, chest radiographs and computed tomography), histopathologic diagnosis, surgical complications, adjunctive therapy, and date and cause of death were collected from records of dogs and cats that underwent pneumonectomy. Survival estimates, and complication were assessed. Results: Seventeen patients had a left-sided pneumonectomy performed (12 dogs and 5 cats) and ten patients had a right-sided pneumonectomy (5 dogs and 5 cats). Fourteen patients were diagnosed with neoplasia (52%). The overall incidences of complications were 76% and 80% for dogs and cats, respectively. The incidences of major complications were 41% and 50% for dogs and cats, respectively. Respiratory complications (persistent pleural effusion, oxygen dependence, persistent increased respiratory rate or coughing) were the most commonly reported complications. No patients died or were euthanized intraoperatively or within the first 24 hours post operatively. However, one dog (6%) and 2 cats (20%) died or were euthanized in the first 2 weeks post-operatively. Conclusion: Based on this small cohort, right and left pneumonectomy can be performed with a relatively low perioperative mortality rate in dogs and cats, with some animals experiencing prolonged survival.

Published
2016

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