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  • 1
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), ( 2023-09-21), p. 1-9
    Abstract: To conduct a retrospective multi-institutional study reporting short- and long-term outcomes of adrenalectomy in patients presenting with acute hemorrhage secondary to spontaneous adrenal rupture. ANIMALS 59 dogs and 3 cats. METHODS Medical records of dogs and cats undergoing adrenalectomy between 2000 and 2021 for ruptured adrenal masses were reviewed. Data collected included clinical presentation, preoperative diagnostics, surgical report, anesthesia and hospitalization findings, histopathology, adjuvant treatments, and long-term outcome (recurrence, metastasis, and survival). RESULTS Median time from hospital admission to surgery was 3 days, with 34% of surgeries being performed emergently (within 1 day of presentation). Need for intraoperative blood transfusion was significantly associated with emergent surgery and presence of active intraoperative hemorrhage. The short-term (≤ 14 days) complication and mortality rates were 42% and 21%, respectively. Negative prognostic factors for short-term survival included emergent surgery, intraoperative hypotension, and performing additional surgical procedures. Diagnoses included adrenocortical neoplasia (malignant [41%], benign [12%] , and undetermined [5%]), pheochromocytoma (38%), a single case of adrenal fibrosis and hemorrhage (2%), and a single case of hemangiosarcoma (2%). Local recurrence and metastasis of adrenocortical carcinoma were confirmed in 1 and 3 cases, respectively. Overall median survival time was 574 days and 900 days when short-term mortality was censored. No significant relationship was found between histopathological diagnosis and survival. CLINICAL RELEVANCE Adrenalectomy for ruptured adrenal gland masses was associated with similar short- and long-term outcomes as compared with previously reported nonruptured cases. If hemodynamic stability can be achieved, delaying surgery and limiting additional procedures appear indicated to optimize short-term survival.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2023
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 2
    Online Resource
    Online Resource
    American Veterinary Medical Association (AVMA) ; 2014
    In:  Journal of the American Veterinary Medical Association Vol. 244, No. 9 ( 2014-05-01), p. 1053-1059
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 244, No. 9 ( 2014-05-01), p. 1053-1059
    Abstract: Objective —To determine the signalment, tibial plateau leveling osteotomy (TPLO) plate type, clinical staging information, treatment, and oncological outcome in dogs that developed osteosarcoma at the proximal aspect of the tibia following TPLO and to calculate the interval between TPLO and osteosarcoma diagnosis. Design —Multi-institutional retrospective case series. Animals —29 dogs. Procedures —Medical records from 8 participating institutions were searched for dogs that developed osteosarcoma (confirmed through cytologic or histologic evaluation) at previous TPLO sites. Signalment, TPLO details, staging tests, treatment data, and outcome information were recorded. Descriptive statistics were calculated, and disease-free intervals and survival times were evaluated by means of Kaplan-Meier analysis. Results —29 dogs met the inclusion criteria. The mean age was 9.2 years and mean weight was 45.1 kg (99.2 lb) at the time of osteosarcoma diagnosis. Most dogs had swelling over the proximal aspect of the tibia (17/21) and lameness of the affected limb (28/29). The mean interval between TPLO and osteosarcoma diagnosis was 5.3 years. One type of cast stainless steel TPLO plate was used in most (18) dogs; the remaining dogs had received plates of wrought stainless steel (n = 4) or unrecorded type (7). Twenty-three of 29 dogs underwent treatment for osteosarcoma. Median survival time for 10 dogs that underwent amputation of the affected limb and received ≥ 1 chemotherapeutic treatment was 313 days. Conclusions and Clinical Relevance —Results supported that osteosarcoma should be a differential diagnosis for dogs with a history of TPLO that later develop lameness and swelling at the previous surgical site. Oncological outcome following amputation and chemotherapy appeared to be similar to outcomes previously reported for dogs with appendicular osteosarcoma.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2014
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 3
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 252, No. 9 ( 2018-05-01), p. 1097-1107
    Abstract: OBJECTIVE To determine perioperative mortality rate and identify risk factors associated with outcome in dogs with thoracic trauma that underwent surgical procedures and to evaluate the utility of the animal trauma triage (ATT) score in predicting outcome. DESIGN Retrospective case series. ANIMALS 157 client-owned dogs. PROCEDURES Medical records databases of 7 veterinary teaching hospitals were reviewed. Dogs were included if trauma to the thorax was documented and the patient underwent a surgical procedure. History, signalment, results of physical examination and preoperative laboratory tests, surgical procedure, perioperative complications, duration of hospital stay, and details of follow-up were recorded. Descriptive statistics and ATT scores were calculated, and logistic regression analysis was performed. RESULTS 123 of 157 (78%) patients underwent thoracic surgery, and 134 of 157 (85.4%) survived to discharge. Mean ± SD ATT score for nonsurvivors was 8 ± 2.4. In the multivariable model, female dogs and dogs that did not experience cardiac arrest as a postoperative complication had odds of survival 6 times and 102 times, respectively, those of male dogs and dogs that did experience cardiac arrest as a postoperative complication. Additionally, patients with a mean ATT score 〈 7 had odds of survival 5 times those of patients with an ATT score ≥ 7. CONCLUSIONS AND CLINICAL RELEVANCE The overall perioperative mortality rate was low for patients with thoracic trauma undergoing surgery in this study. However, male dogs and dogs that experienced cardiac arrest had a lower likelihood of survival to discharge. The ATT score may be a useful adjunct to assist clinical decision-making in veterinary patients with thoracic trauma.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2018
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 4
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 245, No. 6 ( 2014-09-15), p. 684-695
    Abstract: Objective —To evaluate the incidence of and factors associated with complications following rectal pull-through (RPT) surgery and the outcome for dogs with rectal tumors. Design —Retrospective case series. Animals —74 dogs with rectal masses. Procedures —Information regarding signalment, history, diagnostic testing, type of rectal disease, surgical details, and postoperative complications, treatments, and outcomes was obtained from medical records and follow-up communications. Survival times were calculated. Descriptive statistics were generated. Regression analyses were used to evaluate the effect of various variables on the development of postsurgical complications and survival time. Results —58 (78.4%) dogs developed postsurgical complications, the most common of which was fecal incontinence with 42 (56.8%) dogs affected, of which 23 (54.8%) developed permanent incontinence. Other complications included diarrhea (n = 32), tenesmus (23), stricture formation (16), rectal bleeding (8), constipation (7), dehiscence (6), and infection (4). The rectal tumor recurred in 10 dogs. The median survival time was 1,150 days for all dogs and 726 days for dogs with malignant tumors. The 2 most common rectal masses were rectal carcinoma and rectal carcinoma in situ, and the dogs with these tumors had median survival times of 696 and 1,006 days, respectively. Conclusions and Clinical Relevance —Dogs with rectal diseases that underwent RPT surgery had a high incidence of complications; however, those dogs had good local tumor control and survival times. The risk and impact of postsurgical complications on the quality of life and oncological outcomes should be discussed with owners before RPT surgery is performed in dogs with rectal masses.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2014
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 5
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 253, No. 5 ( 2018-09-01), p. 598-605
    Abstract: OBJECTIVE To determine the most common types of injuries in cats surgically treated for thoracic trauma, complications associated with surgical treatment, and factors associated with mortality rate and evaluate the effectiveness of the animal trauma triage (ATT) scoring system for predicting outcome. DESIGN Retrospective case series with nested observational study. ANIMALS 23 client-owned cats surgically treated for thoracic trauma at 7 veterinary teaching hospitals between 1990 and 2014. PROCEDURES Medical records were reviewed to collect data on signalment, medical history, clinical signs and physical examination findings at initial evaluation, clinicopathologic findings, initial emergency treatments and diagnostic tests performed, type of trauma sustained, imaging findings, surgery details, postoperative complications, duration of hospitalization, and cause of death, if applicable. All variables were evaluated for associations with survival to hospital discharge. RESULTS Types of trauma that cats had sustained included dog bite or attack (n = 8 [35%]), motor vehicle accident (6 [26%] ), other animal attack (2 [9%]), impalement injury or fall (2 [9%] ), projectile penetrating trauma (1 [4%]), or unknown origin (4 [17%] ). Intrathoracic surgery was required for 65% (15/23) of cats. The overall perioperative mortality rate was 13% (3/23). Mean ± SD ATT scores for surviving and nonsurviving cats were 6.4 ± 2.2 and 10.0 ± 1.7, respectively. Nineteen of 20 cats with no cardiopulmonary arrest survived to discharge, compared with 1 of 3 cats with cardiopulmonary arrest. Only these 2 variables were significantly associated with outcome. CONCLUSIONS AND CLINICAL RELEVANCE The perioperative mortality rate was low in this series of cats with thoracic trauma; however, those with cardiopulmonary arrest were less likely to survive to hospital discharge than other cats. Cats with a low ATT score were more likely to survive than cats with a high ATT score.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2018
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 6
    In: Veterinary Surgery, Wiley, Vol. 49, No. 6 ( 2020-08), p. 1132-1143
    Abstract: To report the outcomes of dogs with lesions of the genitourinary tract treated by vaginectomy or vulvovaginectomy. Study design Multi‐institutional retrospective study. Animals Female dogs that underwent vulvovaginectomy, complete vaginectomy, or subtotal vaginectomy from 2003 to 2018 with complete medical records and a minimum of 60 days follow‐up. Methods Data collected from medical records included preoperative, intraoperative, and postoperative data, such as the occurrence of urinary incontinence (UIC), disease recurrence, and death/euthanasia. Results This study included 21 dogs. Four dogs had vulvovaginectomy, six had complete vaginectomy, and 11 had a subtotal vaginectomy performed. The mean age at surgery was 9.2 years (SD, 3.3). Thirteen dogs were intact at presentation. Smooth muscle tumors were diagnosed most commonly (10 leiomyomata, three leiomyosarcomas, two leiomyofibromas). The median duration of follow‐up was 520 days (range, 71‐1955). Major complications requiring revision surgery were recorded in two dogs. Postoperative UIC occurred in six of 21 dogs, resolving spontaneously within 60 days in three dogs. Dogs with malignant tumors (n = 6) survived at least 71 days (median, 626; 95% CI, 71‐1245), and recurrence of disease occurred in two dogs. In dogs with benign tumors (n = 15), the median survival time was not reached. These dogs survived at least 104 days and had no recurrence of the disease. Conclusion Vaginectomy and vulvovaginectomy resulted in prolonged survival and low rates of major complications and UIC. Clinical significance This study provides evidence to recommend that the risks of this procedure and expectations should be discussed with clients.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 1491071-8
    SSG: 22
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  • 7
    In: Journal of Veterinary Internal Medicine, Wiley, Vol. 34, No. 1 ( 2020-01), p. 274-282
    Abstract: Lower urinary tract transitional cell carcinoma (TCC) is an important but rarely described disease of cats. Objectives To report the clinical characteristics, treatments, and outcomes in a cohort of cats with lower urinary tract TCC and to test identified variables for prognostic relevance. Animals One‐hundred eighteen client‐owned cats with lower urinary tract carcinoma. Methods Medical records were retrospectively reviewed to obtain information regarding clinical characteristics, treatments, and outcomes. Recorded variables were analyzed statistically. Results Median age of affected cats was 15 years (range, 5.0‐20.8 years) and median duration of clinical signs was 30 days (range, 0‐730 days). The trigone was the most common tumor location (32/118; 27.1%) as assessed by ultrasound examination, cystoscopy, or both. Treatment was carried out in 73 of 118 (61.9%) cats. Metastatic disease was documented in 25 of 118 (21.2%) cats. Median progression‐free survival and survival time for all cats were 113 days (95% confidence interval [CI], 69‐153) and 155 days (95% CI, 110‐222), respectively. Survival increased significantly ( P 〈  .001) when comparing cats across the ordered treatment groups: no treatment, treatment without partial cystectomy, and treatment with partial cystectomy. Partial cystectomy (hazard ratio [HR], 0.31; 95% CI, 0.17‐0.87) and treatment with nonsteroidal anti‐inflammatory drugs (HR, 0.55; 95% CI, 0.33‐0.93) were significantly associated with longer survival times. Conclusions and Clinical Importance The results support treatment using partial cystectomy and NSAIDs in cats with TCC.
    Type of Medium: Online Resource
    ISSN: 0891-6640 , 1939-1676
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2177690-8
    SSG: 22
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  • 8
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 249, No. 7 ( 2016-10-01), p. 787-793
    Abstract: OBJECTIVE To evaluate perioperative morbidity and outcome in dogs and cats undergoing esophageal surgery. DESIGN Retrospective case series. ANIMALS 63 client-owned dogs and 9 client-owned cats. PROCEDURES Medical records of dogs and cats that underwent esophageal surgery were reviewed for information on signalment, history, results of preoperative diagnostic testing, condition treated, details of surgery, intraoperative complications, and postoperative complications. Long-term follow-up data were obtained via veterinarian and client telephone conversations. The relationship between complications and survival to hospital discharge was evaluated by means of regression analysis. RESULTS The most common indication for surgical intervention was an esophageal foreign body in dogs (50/63 [79%]) and esophageal stricture in cats (3/9). Complications were documented in 54% (34/63) of dogs and 3 of 9 cats. The most common immediate postoperative complications were respiratory in nature (9 dogs, 1 cat). Partial esophagectomy and resection with anastomosis were significantly associated with the development of immediate postoperative complications in dogs. The most common delayed postoperative complications were persistent regurgitation (7 dogs) and esophageal stricture formation (3 dogs, 1 cat). For dogs, a mass lesion and increasing lesion size were significantly associated with the development of delayed postoperative complications. Six do gs (10%) and 1 cat died or were euthanized prior to discharge, and pneumomediastinum and leukopenia were negative prognostic factors for dogs being discharged from the hospital. CONCLUSIONS AND CLINICAL RELEVANCE Results of this study suggested that the short-term prognosis for dogs and cats that survive surgery for treatment of esophageal lesions is favorable, with 90% of patients discharged from the hospital (57/63 dogs; 8/9 cats). However, dogs treated for more extensive esophageal lesions as well as those undergoing esophagectomy or resection and anastomosis were more likely to develop postoperative complications.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2016
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 9
    Online Resource
    Online Resource
    American Veterinary Medical Association (AVMA) ; 2017
    In:  Journal of the American Veterinary Medical Association Vol. 250, No. 4 ( 2017-02-15), p. 424-430
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 250, No. 4 ( 2017-02-15), p. 424-430
    Abstract: OBJECTIVE To evaluate colonoscopic and histologic features of rectal masses in dogs. DESIGN Retrospective case series. ANIMALS 82 client-owned dogs with rectal masses that underwent colonoscopy. PROCEDURES Medical records of dogs with rectal masses that underwent colonoscopy were reviewed. History, signalment, clinical signs, results of physical examination, diagnostic imaging findings, and results of colonoscopy (including complications) were recorded. When available, tissue samples obtained during colonoscopy and by means of surgical biopsy were reviewed by a single board-certified pathologist. Histologic features and tumor grade (when applicable) of tissue samples obtained during colonoscopy versus surgical biopsy were compared. RESULTS Multiple rectal masses were observed during colonoscopy in 6 of the 82 dogs, but no lesions were visualized orad to the colorectal junction. Results of histologic evaluation of surgical biopsy specimens were consistent with a diagnosis of epithelial neoplasia in 58 of 64 dogs, of which 71% were classified as benign adenoma or polyp and 29% were classified as adenocarcinoma in situ or adenocarcinoma. Complications of colonoscopy occurred in 3 of 82 dogs but were considered minor. A discrepancy in diagnosis occurred in 5 of 16 dogs for which both colonoscopic and surgical biopsy samples were available for histologic review. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that multiple rectal masses are uncommon in dogs, and secondary lesions orad to the colorectal junction were not found in this study. Colonoscopy was associated with few complications, but the need for colonoscopic assessment of the entire colon in this patient population may merit reevaluation.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2017
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 10
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 255, No. 8 ( 2019-10-15), p. 926-932
    Abstract: To describe complications and outcomes of dogs undergoing unilateral thyroidectomy for the treatment of thyroid tumors. ANIMALS 156 dogs undergoing unilateral thyroidectomy for a naturally occurring thyroid tumor. PROCEDURES Dogs that underwent a unilateral thyroidectomy in 2003 through 2015 were included in a multi-institutional retrospective study. For each dog, information gathered through evaluation of electronic and paper records included perioperative complications, short-term outcome (survival to discharge from the hospital vs nonsurvival), and long-term outcome (survival time). RESULTS In the perioperative period, complications occurred in 31 of the 156 (19.9%) dogs; hemorrhage was the most common intraoperative complication (12 [7.7%] dogs). Five of 156 (3.2%) dogs received a blood transfusion; these 5 dogs were among the 12 dogs that had hemorrhage listed as an intraoperative complication. Immediately after surgery, the most common complication was aspiration pneumonia (5 [3.2%] dogs). One hundred fifty-three of 156 (98.1%) dogs that underwent unilateral thyroidectomy survived to discharge from the hospital. One hundred-thirteen dogs were lost to follow-up; from the available data, the median survival time was 911 days (95% confidence interval, 704 to 1,466 days). CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that unilateral thyroidectomy in dogs with a naturally occurring thyroid tumor was associated with a perioperative mortality rate of 1.9% and a complication rate of 19.9% and that hemorrhage and aspiration pneumonia were the most common complications. Long-term survival of dogs undergoing unilateral thyroidectomy for the treatment of thyroid tumors was not uncommon.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2019
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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