Allyson Berent,
DVM, DACVIM (SAIM)Specialist in Internal Medicine
Co-Director of The Katharine and William Rayner Interventional Radiology and Endoscopy Service Department: Interventional Radiology & Endoscopy
Dr. Berent graduated from Cornell University College of Veterinary Medicine in 2002. She completed a one year rotating small animal internship at the University of Minnesota. She then completed her internal medicine residency at the Matthew J. Ryan Veterinary Hospital of the University of Pennsylvania. Following her residency she did a fellowship in interventional radiology and interventional endoscopy. Her research interests are in minimally invasive diagnostics and therapeutics including: endourology, laser lithotripsy, hepatic and biliary interventions, and intrahepatic portosystemic shunting.
Board Certifications:
Education:
- DVM – Cornell University College of Veterinary Medicine, Ithaca, NY, 2002
Postgraduate Training:
- Internship in Small Animal Medicine – University of Minnesota, Minneapolis, MN, 2003
- Residency in Internal Medicine – University of Pennsylvania, Philadelphia, PA
Recent Publications:
Sunlight C, Weisse C, Berent A, et al. Protein C and comparative biochemical changes in dogs treated with percutaneous transvenous coil embolization of congenital intrahepatic portosytemic shunts. Vet Surg. 2022. 51(1):125-135.
Tan J., St. Vincent R., Palma D., Berent A., Weisse C. Bronchial Stent Placement for Palliative Treatment of Pulmonary Carcinoma with Bronchial Obstruction in a Cat. J Am Anim Hosp Assoc. 2022;58(2):91-95. doi:10.5326/JAAHA-MS-7172.
Véran E, Vachon C, Byron J, Howard J, Berent A, Weisse C, Javard R, Spencer A, Gradilla S, Palm C, Culp W, Cléroux A, Dunn M. Multicenter retrospective evaluation of transmural migration of subcutaneous ureteral bypass devices within the digestive tract in cats. J Vet Intern Med. 2022;36(5):1677-1685. doi:10.1111/jvim.16511
Samuel N, Weisse C, Berent AC, Rogatko CP, Wittenburg L, Lamb K. Pharmacokinetic study comparing doxorubicin concentrations after chemoembolization or intravenous administration in dogs with naturally occurring nonresectable hepatic carcinoma. J Vet Intern Med. 2022;36(5):1792-1799. doi:10.1111/jvim.16520.
Lew L, Berent A, Weisse C et al. Bladder wall adhesion causing vesicular septum in a dog following surgical cystostomy. JAVMA, 2022. 260(7): 1-8.
McEntee EP, Berent AC, Weisse C, Le Roux AB, Lamb K. Evaluation of preoperative ultrasonographic parameters to predict renal recovery in long-term survivors after treatment of feline ureteral obstructions: 2012–2019. Journal of Feline Medicine and Surgery 2022;24(4):328-336. doi:10.1177/1098612X211023645.
Greenfield Z, Berent A, Weisse C. Urinary incontinence in a dog with with a duplex renal system and extramural ectopic ureter. J Small Anim Pract. 2022; 63(3): 234-238.
Gavin KA, Weisse C, Berent AC. Stenting of the caudal aorta and aortic trifurcation for the treatment of thrombosis in 7 dogs. J Vet Intern Med. 2022;36(2):441-450. doi:10.1111/jvim.16359.
Wilson KE, Berent AC, Weisse CW, Szlosek D. Assessment of serum symmetric dimethylarginine and creatinine concentrations in cats with urethral obstruction. J Feline Med Surg. 2021 Dec 13:1098612X211060677.
Weisse C, Scansen BA, Berent AC, Cober RE. Transatrial stenting for long-term management of cardiac tumor obstruction of the right atrium in 3 dogs. J Vet Intern Med. 2021;35:120-129
Rogatko CP, Weisse C, Schwarz T, Berent AC, Diniz MA. Drug-eluting bead chemoembolization for the treatment of nonresectable hepatic carcinoma in dogs: A prospective clinical trial. J Vet Intern Med. 2021;35:1487-1495.
McEntee EP, Berent A, Weiss C, LeRoux A, Lamb K. Evaluation of preoperative ultrasonographic parameters to predict renal recovery in long-term survivors after treatment of feline ureteral obstructions: 2012-2019. J Fel Med Surg. 2021; Jun14:1-9. Online ahead of print.
Emanuel M, Berent AC, Weisse C, Donovan T, Lamb KE. Retrospective study of proliferative urethritis in dogs: Clinical presentation and outcome using various treatment modalities in 11 dogs. J Vet Intern Med. 2021;35(1):312-320. doi: 10.1111/jvim.16007. Epub 2020 Dec 14. PMID: 33316119; PMCID: PMC7848298.
Dropkin CA, Burdick SK, Berent AC, Weisse CW. Use of tissue plasminogen activator to alleviate postoperative subcutaneous ureteral bypass obstruction secondary to blood clot in seven cats. J Feline Med Surg. 2021;23(10):996-1004.
Congiusta M, Weisse C, Berent AC, Tozier E. Comparison of short-, intermediate-, and long-term results between dogs with tracheal collapse that underwent multimodal medical management alone and those that underwent tracheal endoluminal stent placement. J Am Vet Med Assoc. 2021;258(3):279-289.
Transatrial stenting for long-term management of cardiac tumor obstruction of the right atrium in 3 dogs. Weisse C, Scansen BA, Berent AC, Cober RE.J Vet Intern Med. 2020 Dec 18. doi: 10.1111/jvim.15999. Online ahead of print.PMID: 33338301
Radiographic features of suspected suture-associated cystic calculi in dogs. Hickey JM, Berent AC, Fischetti AJ, Le Roux AB. Vet Radiol Ultrasound. 2020 Jul;61(4):394-398. doi: 10.1111/vru.12863. Epub 2020 Apr 23.PMID: 32329210
Bacterial infection before and after stent placement in dogs with tracheal collapse syndrome. Lesnikowski S, Weisse C, Berent A, Le Roux A, Tozier E.J Vet Intern Med. 2020 Mar;34(2):725-733. doi: 10.1111/jvim.15712. Epub 2020 Jan 24.PMID: 31977124
Outcome of SUB placement for the treatment of benign ureteral obstruction in dogs: nine dogs and 12 renal units (2013 to 2017). Milligan ML, Berent AC, Weisse CW, Lamb K, Toizer E. J Small Anim Pract. 2020 Jul;61(7):428-435. doi: 10.1111/jsap.13137. Epub 2020 Apr 30.PMID: 32352170
Use of percutaneous foam sclerotherapy with 1.5% sodium tetradecyl sulfate for treatment of a pelvic limb venous malformation in a dog. Chang S, Weisse C, Berent AC, Rosen RJ. J Am Vet Med Assoc. 2020 Jun 15;256(12):1368-1374. doi: 10.2460/javma.256.12.1368.PMID: 32459582
Berent A, Weisse C, Schattner M, et al. Use of ERCP for the treatment of EHBDO in dogs and cats, VES 2015
Berent A, Weisse C, Schattner M, et al. Use of ERCP for the treatment of EHBDO in dogs and cats, ACVIM 2015 (POSTER)
Pavia P, Berent A, Weisse C, et al. Treatment of canine benign ureteral obstruction using ureteral stents, ACVIM 2015
Pavia P, Berent A, Weisse C, et al. Treatment of canine benign ureteral obstruction using ureteral stents, VES 2015
Weisse C, Berent A. Prospective evaluation of a one-stage esophageal balloon dilation feeding tube for benign esophageal strictures in dogs: Initial results, VES 2015.
Weisse C, Berent A. Prospective evaluation of a one-stage esophageal balloon dilation feeding tube for benign esophageal strictures in dogs: Initial results, ACVIM 2015 (POSTER).
Berent AC. Interventional urology: endourology in small animal veterinary medicine. VCNA. 2015; 45(4): 825-855.
Steinhaus J, Berent AC, Weisse C, et al. Clinical presentation and outcome of cats with circumcaval ureters associated with a ureteral obstruction. JVIM. 2015; 29(1): 63-70.
Culp WT, Weisse C, Berent AC, et al. Early tumor response to IA or IV administration of carboplatin to treat naturally occurring lower urinary tract carcinoma in dogs. JVIM. 2015; 29(3): 900-907.
Wojick KB, Berent AC, Weisse C, et al. Extracorporeal shock-wave lithotripsy and endoscopic ureteral stent placement in an Asian small-clawed otter with nephrolithiasis. Journal of Zoo and Wildlife Medicine 46(2): 345-349, 2015.
Berent A, Weisse C, Schattner M, et al. Initial experience with endoscopic retrograde biliary stenting for treatment of extrahepatic bile duct obstruction in dogs. Journal Am Vet Med Assoc 246(4): 436-446, 2015.
Kuntz J, Berent A, Weisse C., et al. Double pigtail ureteral stenting and renal pelvic lavage for renal-sparing treatment of obstructive pyonephrosis in dogs: 13 cases (2008-2012) J Am Vet Med Assoc 246(2): 216-225, 2015.
Veterinary Image-Guided Interventions, textbook (Co-editor) published by Wiley-Blackwell 2015 Chapters