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  • 1
    In: Veterinary Surgery, Wiley, Vol. 50, No. S1 ( 2021-07)
    Abstract: To determine the feasibility of laparoscopic liver lobectomy (LLL) in dogs by using canine cadavers and to describe the clinical application in dogs with liver disease. Study design Ex vivo experiment and descriptive case series. Sample population Twelve canine cadavers and six client‐owned dogs. Methods Cadavers underwent LLL with an endoscopic stapler. The percentage of liver lobe resected was determined by volume. The distance from the staple line to hilus was measured. Medical records of dogs undergoing LLL were reviewed. Results In cadavers ≤15 kg, left lateral lobectomy completeness was 87.3% (84.6%–96.6%), and remaining median (interquartile range) hilar length was 1 cm (0.25‐1.75). Left medial lobectomy completeness was 72.5% (66.7%–80%), and remaining hilar length was 1.6 cm (0.47‐1.75). Central division resection completeness was 68.3% (60%–92.9%), and remaining hilar length was 2.7 cm (0.8‐5). Laparoscopic liver lobectomy was not feasible for right division lobes and in cadavers 〉 15 kg. Five dogs with peripheral quadrate or left lateral lobe masses underwent stapled, partial laparoscopic lobectomy (30%–90%). One dog underwent stapled, left lateral lobectomy (90%) after open procedure conversion. Histopathological diagnoses included hepatocellular carcinoma (3), nodular hyperplasia (1), biliary cyst adenoma (1), and fibrosis (1). Conclusion Laparoscopic liver lobectomy of the left and central divisions is feasible in cadavers ≤15 kg with an endoscopic stapler. Partial LLL of the left and central divisions is feasible in select dogs with liver disease. Clinical significance Laparoscopic liver lobectomy may be a viable alternative to laparotomy in small‐to‐medium size dogs with peripheral liver masses of the left and central divisions.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1491071-8
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  • 2
    In: Veterinary Surgery, Wiley, Vol. 47, No. S1 ( 2018-06)
    Abstract: To describe a technique and report complications and outcome for single‐port laparoscopic splenectomy in dogs. Study Design Retrospective study. Animals Twenty‐two client‐owned dogs. Methods Medical records of dogs that underwent single‐port laparoscopic splenectomy at 4 veterinary teaching hospitals were evaluated. Commercially available single‐port devices were used in all dogs. In all cases, a vessel‐sealing device was used to perform a hilar splenectomy. After the procedure was completed, the spleen was exteriorized through the single‐port device incision or placed into a specimen retrieval device; enlargement of the incision was required in some cases. Results Median weight of dogs was 9.9 kg (interquartile range [IQR], 7.0‐26.0). Splenectomy was performed because of splenic mass (n = 14), diffuse splenic disease (n = 4), or as adjunctive treatment for management of immune‐mediated disease (n = 4). In cases with splenic masses, median maximal diameter of the largest splenic mass was 2.0 cm (IQR, 1.3‐2.5). In 6 of 22 cases, mild splenic capsular bleeding occurred during the procedure. Conversion occurred in 6 of 22 cases to either a laparoscopic‐assisted approach (n = 5) or an open celiotomy (n = 1). Reasons for conversion included large splenic dimensions (n = 3), adhesion formation (n = 1) or poor visualization resulting from abundant intra‐abdominal fat (n = 1) or hemorrhage (n = 1). Heavier body weight was significantly associated with conversion (odds ratio, 1.62; 95% confidence interval, 1.05‐2.51), but body condition score, having a splenic mass, splenic mass size, and surgical time were not. Conclusion Single‐port laparoscopic splenectomy is an effective approach for elective splenectomy in dogs. The technique may be well suited to smaller dogs with modestly sized splenic masses or diffuse splenic disease.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 1491071-8
    SSG: 22
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  • 3
    Online Resource
    Online Resource
    American Veterinary Medical Association (AVMA) ; 2016
    In:  Journal of the American Veterinary Medical Association Vol. 248, No. 1 ( 2016-01-01), p. 83-90
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 248, No. 1 ( 2016-01-01), p. 83-90
    Abstract: OBJECTIVE To describe the operative technique, complications, and conversion rates for laparoscopic liver biopsy (LLB) in dogs and evaluate short-term clinical outcome for dogs that underwent the procedure. DESIGN Retrospective case series. ANIMALS 106 client-owned dogs. PROCEDURES Medical records were reviewed to identify dogs that underwent an LLB with a single-port or multiport technique at either of 2 veterinary teaching hospitals from August 2003 to September 2013. Demographic and laboratory data, preoperative administration of fresh frozen plasma, procedural and diagnostic information, intraoperative complications, and survival to discharge were recorded. The LLB specimens were obtained with 5-mm laparoscopic biopsy cup forceps and a grasp-and-twist technique. RESULTS Prior to surgery, 25 of 94 (27%) dogs had coagulopathy (prothrombin time or partial thromboplastin time greater than the facility reference ranges, regardless of platelet count). Twenty-one dogs were thrombocytopenic, 14 had ascites, and 14 received fresh frozen plasma transfusion before surgery. In all cases, biopsy samples collected were of sufficient size and quality for histopathologic evaluation. Two dogs required conversion to an open laparotomy because of splenic laceration during initial port placement. One hundred one of 106 dogs survived to discharge; 5 were euthanized during hospitalization owing to progression of liver disease and poor prognosis. CONCLUSIONS AND CLINICAL RELEVANCE Single-port and multiport LLB were found to be effective, minimally invasive diagnostic techniques with a low rate of complications. Results suggested LLB can be safely used in dogs with underlying coagulopathies and advanced liver disease.
    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
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  • 4
    Online Resource
    Online Resource
    American Veterinary Medical Association (AVMA) ; 2017
    In:  Journal of the American Veterinary Medical Association Vol. 251, No. 4 ( 2017-08-15), p. 443-450
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 251, No. 4 ( 2017-08-15), p. 443-450
    Abstract: OBJECTIVE To compare outcomes for laparoscopic ovariectomy (LapOVE) and laparoscopic-assisted ovariohysterectomy (LapOVH) in dogs. DESIGN Retrospective case series. ANIMALS 278 female dogs. PROCEDURES Medical records of female dogs that underwent laparoscopic sterilization between 2003 and 2013 were reviewed. History, signalment, results of physical examination, results of preoperative diagnostic testing, details of the surgical procedure, durations of anesthesia and surgery, intraoperative and immediate postoperative (ie, during hospitalization) complications, and short- (≤ 14 days after surgery) and long-term ( 〉 14 days after surgery) outcomes were recorded. Data for patients undergoing LapOVE versus LapOVH were compared. RESULTS Intraoperative and immediate postoperative complications were infrequent, and incidence did not differ between groups. Duration of surgery for LapOVE was significantly less than that for LapOVH; however, potential confounders were not assessed. Surgical site infection was identified in 3 of 224 (1.3%) dogs. At the time of long-term follow-up, postoperative urinary incontinence was reported in 7 of 125 (5.6%) dogs that underwent LapOVE and 12 of 82 (14.6%) dogs that underwent LapOVH. None of the dogs had reportedly developed estrus or pyometra by the time of final follow-up. Overall, 205 of 207 (99%) owners were satisfied with the surgery, and 196 of 207 (95%) would consider laparoscopic sterilization for their dogs in the future. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that short- and long-term outcomes were similar for female dogs undergoing sterilization by means of LapOVE or LapOVH; however, surgery time may have been shorter for dogs that underwent LapOVE. Most owners were satisfied with the outcome of laparoscopic sterilization.
    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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  • 5
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 252, No. 11 ( 2018-06-01), p. 1393-1402
    Abstract: OBJECTIVE To evaluate potential associations between surgical approach and complication rate, progression-free survival time, and disease-specific survival time in cats with mammary adenocarcinoma. DESIGN Retrospective case series. ANIMALS 107 client-owned cats. PROCEDURES Medical records of cats that underwent surgical excision of mammary adenocarcinoma by means of a unilateral or bilateral (staged or single-session) mastectomy at 9 hospitals between 1991 and 2014 were reviewed. Relevant clinicopathologic data and details of surgical and adjuvant treatments were recorded. Outcome data were obtained, including postoperative complications, progression-free survival time, and disease-specific survival time. RESULTS Complications occurred in 12 of 61 (19.7%) cats treated with unilateral mastectomy, 5 of 14 (35.7%) cats treated with staged bilateral mastectomy, and 13 of 32 (40.6%) cats treated with single-session bilateral mastectomy. Complications were significantly more likely to occur in cats undergoing bilateral versus unilateral mastectomy. Median progression-free survival time was longer for cats treated with bilateral mastectomy (542 days) than for cats treated with unilateral mastectomy (289 days). Significant risk factors for disease progression included unilateral mastectomy, tumor ulceration, lymph node metastasis, and tumors arising in the fourth mammary gland. Significant risk factors for disease-specific death included lymph node metastasis and development of regional or distant metastasis. Among cats that did not develop metastasis, unilateral mastectomy was a significant risk factor for disease-specific death. Treatment with chemotherapy was associated with a significantly decreased risk of disease-specific death. CONCLUSIONS AND CLINICAL RELEVANCE Results supported bilateral mastectomy for the treatment of mammary adenocarcinoma in cats to improve progression-free and disease-specific survival time. Performing bilateral mastectomy in a staged fashion may help to decrease the complication rate.
    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
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  • 6
    In: Veterinary Surgery, Wiley, Vol. 49, No. 5 ( 2020-07), p. 870-878
    Abstract: To describe perioperative characteristics and outcomes of dogs surgically treated for intestinal intussusception. Study design Multi‐institutional, retrospective study. Animals One hundred fifty‐three client‐owned dogs with intestinal intussusception. Methods Dogs were included when they had undergone surgical treatment of a confirmed intestinal intussusception. Medical records were reviewed for demographics and clinical data, including surgical complications (graded 1‐4). Follow‐up was obtained via telephone interview with owners and referring veterinarians. Results Dogs had a median age of 10 months (range, 2‐156), and the most common location for intussusception was ileocolic (66/153 [43%]). Most cases had no identifiable cause (104/155 [67%] ). Intestinal resection and anastomosis (IRA) was performed in 129 of 153 (84%) dogs; enteroplication was performed in 28 of 153 (18%) dogs, including 13 with and 15 without IRA. Intraoperative complications occurred in 10 of 153 (7%) dogs, all involving intestinal damage during attempted manual reduction. The median duration of follow‐up after discharge was 334 days (interquartile range, 15‐990; range, 1‐3302). Postoperative complications occurred in 53 of 153 (35%) dogs, including 22 of 153 (14%) with severe (grade 3 or 4) events. Diarrhea, regurgitation, and septic peritonitis were the most common postoperative complications; intussusception recurred in four of 153 (3%) dogs, all within 72 hours postoperatively. Fourteen‐day postoperative mortality rate was 6%. Conclusion Surgical treatment of intestinal intussusception was curative in most dogs, even when an underlying cause was not identified. Surgical complications were common, including a 14% risk of life‐threatening short‐term complications. Clinical significance Surgical treatment of intestinal intussusception offers an excellent prognosis, but the potential life‐threatening complications should be considered.
    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
    Online Resource
    Online Resource
    American Veterinary Medical Association (AVMA) ; 2016
    In:  Journal of the American Veterinary Medical Association Vol. 248, No. 6 ( 2016-03-15), p. 661-668
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 248, No. 6 ( 2016-03-15), p. 661-668
    Abstract: OBJECTIVE To determine the percentage of dogs surviving to hospital discharge and identify factors associated with death prior to hospital discharge among dogs undergoing surgery because of primary splenic torsion (PST). DESIGN Retrospective case series. ANIMALS 102 client-owned dogs. PROCEDURES Medical records of dogs with a confirmed diagnosis of PST that underwent surgery between August 1992 and May 2014 were reviewed. History, signalment, results of physical examination and preoperative bloodwork, method of splenectomy, concurrent surgical procedures, perioperative complications, duration of hospital stay, splenic histopathologic findings, and details of follow-up were recorded. Best-fit multivariate logistic regression was performed to identify perioperative factors associated with survival to hospital discharge. RESULTS 93 of the 102 (91.2%) dogs survived to hospital discharge. German Shepherd Dogs (24/102 [23.5%]), Great Danes (15/102 [14.7%] ), and English Bulldogs (12/102 [11.8%]) accounted for 50% of cases. Risk factors significantly associated with death prior to hospital discharge included septic peritonitis at initial examination (OR, 32.4; 95% confidence interval [CI] , 2.1 to 502.0), intraoperative hemorrhage (OR, 22.6; 95% CI, 1.8 to 289.8), and postoperative development of respiratory distress (OR, 35.7; 95% CI, 2.7 to 466.0). Histopathologic evidence of splenic neoplasia was not found in any case. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that the prognosis for dogs undergoing splenectomy because of PST was favorable. Several risk factors for death prior to discharge were identified, including preexisting septic peritonitis, intraoperative hemorrhage, and postoperative development of respiratory distress.
    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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  • 8
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 255, No. 1 ( 2019-07-01), p. 78-84
    Abstract: To describe surgical technique, biopsy sample quality, and short-term outcome of minimally invasive small intestinal exploration and targeted abdominal organ biopsy (MISIETB) with use of a wound retraction device (WRD) in dogs. ANIMALS 27 client-owned dogs that underwent MISIETB with a WRD at 1 of 4 academic veterinary hospitals between January 1, 2010, and May 1, 2017. PROCEDURES Medical records were retrospectively reviewed, and data collected included signalment; medical history; findings from physical, ultrasonographic, laparoscopic, cytologic, and histologic evaluations; surgical indications, procedures, duration, and complications; and short-term (14-day) outcomes. The Shapiro-Wilk test was used to evaluate the normality of continuous variables, and descriptive statistics were calculated for numeric variables. RESULTS Laparoscopic exploration was performed through a multicannulated single port (n = 18), multiple ports (5), or a single 6-mm cannula (4). Median length of the incision for WRD placement was 4 cm (interquartile [25th to 75th percentile] range, 3 to 6 cm). All biopsy samples obtained had sufficient diagnostic quality. The 2 most common histologic diagnoses were lymphoplasmacytic enteritis (n = 14) and intestinal lymphoma (5). Twenty-five of 27 (93%) dogs survived to hospital discharge, and 3 (12%) dogs had postsurgical abnormalities unrelated to surgical technique. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that MISIETB with WRD was an effective method for obtaining diagnostic biopsy samples of the stomach, small intestine, pancreas, liver, and mesenteric lymph nodes in dogs. Prospective comparison between MISIETB with WRD and traditional laparotomy for abdominal organ biopsy in dogs is warranted.
    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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  • 9
    In: Veterinary Surgery, Wiley, Vol. 46, No. 2 ( 2017-02), p. 233-241
    Abstract: To describe the use and outcome of a single, simple continuous, barbed suture line for prophylactic, total laparoscopic gastropexy in dogs. Study Design Multi‐center, retrospective case series. Animals Sixty‐three client‐owned dogs. Methods Medical records of dogs undergoing total laparoscopic gastropexy using a barbed suture at 4 academic veterinary hospitals from 2011‐2015 were reviewed. Data collected included signalment, procedure time, procedure‐associated complications, short‐term complications, and long‐term outcome. All procedures were performed under general anesthesia in dorsal to dorsal‐left oblique recumbency. Laparoscopic ports were placed on ventral midline in 1 of 3 port configurations, and 5 mm laparoscopic needle drivers were used for intracorporeal sutured gastropexy with unidirectional barbed suture. The gastropexy was positioned just caudal to the 13th rib, 2‐4 cm lateral to the rectus abdominis muscle. Results Sixty‐three dogs underwent total laparoscopic gastropexy with a single, simple continuous, barbed suture line. Median gastropexy surgery time was 70 minutes (interquartile range [IQR] 60‐90 minutes). One dog sustained splenic laceration from Veress needle penetration during initial abdominal insufflation. Short term ( 〉 24 hours to 6 months postoperative) complications included incisional seroma formation (n = 2) and suture reaction (n = 1). Long term ( 〉 6 months postoperative) complications included intermittent regurgitation and chronic diarrhea in 1 dog. Fifteen dogs had postoperative ultrasound and all had intact gastropexy sites. Conclusion Total laparoscopic barbed gastropexy using a single, simple continuous, barbed suture line in dogs is safe and results in an intact gastropexy long term.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2017
    detail.hit.zdb_id: 1491071-8
    SSG: 22
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  • 10
    In: Veterinary Surgery, Wiley, Vol. 48, No. 5 ( 2019-07), p. 742-750
    Abstract: To report the morbidity and mortality associated with adrenalectomy with cavotomy for resection of invasive adrenal neoplasms in dogs and evaluate risk factors for perioperative outcomes. Study design Retrospective study. Animals Forty‐five client‐owned dogs. Methods Dogs that underwent open adrenalectomy with cavotomy for resection of adrenal masses with tumor thrombus extending into the vena cava were included. Clinicopathologic data were harvested from medical records. Selected clinical, imaging, and operative variables were statistically evaluated as risk factors for packed red blood cell transfusion, nephrectomy, perioperative death, and overall survival. Results Thirty‐six of 45 masses were pheochromocytomas, 7 were adrenocortical carcinomas, and 2 were unknown type. Caval thrombus terminated prehepatically in 21 of 45 dogs and extended beyond the porta hepatis but terminated prediaphragmatically (intrahepatic prediaphragmatic location) in 15 dogs and thrombi extended postdiaphragmatically in 5 dogs. Thirty‐four (76%) dogs were discharged from the hospital, and 11 (24%) dogs died or were euthanized prior to discharge. Median overall survival time for all 45 dogs was 547 days (95%CI 146–710). Bodyweight, tumor type, and size and extent of caval thrombus did not affect survival to discharge, but postdiaphragmatic (rather than prediaphragmatic) thrombus termination was associated with a greater risk of death. Conclusion Long‐term survival was common in dogs that survived the perioperative period. Postdiaphragmatic thrombus extension affected the prognosis for overall survival. Clinical significance Findings of this study help to stratify operative risk in dogs with adrenal neoplasia and caval invasion.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 1491071-8
    SSG: 22
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