Dr. Frederic Gaschen
Clinical Service Chief
Professor
Veterinary Clinical Sciences (VCS)
(225) 578-9600

Teaching Interests:
Canine and feline internal medicine

Research Interests:
Canine and feline gastroenterology

 Awards & Honors:
  • 2020 Dean's Teacher Merit Honor Roll Year 3
  • 2019 Dean's Teacher Merit Honor Roll Year 3
  • 2019 Faculty Distinguished Service Award
  • 2018 Dean's Teacher Merit Honor Roll Year 3
  • 2018 Dean's Teacher Merit Honor Roll Year 4
  • 2017 Dean's Teacher Merit Honor Roll Year 3
  • 2016 Dean's Teacher Merit Honor Roll Year 3
  • 2015 Dean's Teacher Merit Honor Roll Year 3
  • 2015 Teacher of the Year - Year 3
  • 2014 Dean's Teacher Merit Honor Roll Year 3
  • 2013 Dean's Teacher Merit Honor Roll Year 3
  • 2010 M.L. Martin Endowed Professorship
 Education:
  • Dr.habil University of Bern
  • Dr.med.vet. University of Bern
  • Other University of Bern
 Grants:
  • Effect of fecal microbiota transplantation on the fecal microbiome of healthy dogs treated with antibiotics, Hunting Retriever Club, $1,500.00
  • Effect of fecal microbiota transplantation on the fecal microbiome of healthy dogs treated with antibiotics, Hunting Retriever Club, $1,500.00
  • Treatment of Protein­‐losing enteropathy in dogs using Fecal Microbiota Transplantation, Royal Canin, $12,500.00
  • Ultrasonographic evaluation of the effects of azithromycin on antral motility and gastric emptying in cats, LSU School of Veterinary Medicine,
  • Evidence for Use of End Expiratory CT in dogs with Chronic Coughing, American College of Veterinary Radiology Resident Research Grant, $7,450.00
  • Double-blind, placebo-controlled ultrasonographic evaluation of the effects of antiemetic drugs on antral motility and gastric emptying in healthy dogs, Zoetis LLC, $75,555.00
  • The effect of diet on intestinal mucosal echogenicity in healthy dogs, Morris Animal Foundation,
  • Ultrasound evaluation of the effects of various prokinetics administered intravenously on gastric and duodenal motility in healthy dogs., Nestle Purina Petcare, $8,900.00
 Publications:
Journal Article, Academic Journal:
  • Adult-onset regurgitation in two dogs with partial oesophageal constriction caused by vascular ring anomaly, Blank, Carolyn; Ahuja, Ruchita; McGovern, Dianne; Gaschen, Frederic; Gaschen, Lorrie, 2020, Journal of Small Animal Practice
  • Effects of metronidazole on the fecal microbiome and metabolome in healthy dogs, Pilla, Rachel; Suchodolski, Jan; Gaschen, Frederic; Olson, Erin; Honnefer, Julia; Guard, Blake; Blake, Amanda; Villanueva, D; AlShawakqfeh, Mustafa; Lidbury, Jonathan; Barr, J; Steiner, Joerg; Khattab, Mohammad, 2020, Journal of Veterinary Internal Medicine
  • Ultrasonographic assessment of the effect of metoclopromide, erythromycin and exenatide on solid phase gastric emptying in healthy cats, Husnik, Roman; Gaschen, Frederic; Fletcher, Jon; Gaschen, Lorrie, 2020, Journal of Veterinary Internal Medicine , Volume: 34 , Number: 4, Pages: 1440-1446
  • Colorectal basidiobolomycosis in a dog., Marclay, M; Langohr, Ingeborg; Gaschen, Frederic; Rodrigues-Hoffmann, A; Carossino, M; Stewart, M; Myers, A; Grooters, Amy, 2020, Journal of Veterinary Internal Medicine , Volume: 34, Number: 5, Pages: 2091-2095
  • Ultrasonographic assessment of the effect of metoclopramide, erythromycin, and exenatide on solid-phase gastric emptying in healthy cats., Husnik, R; Gaschen, Frederic; Fletcher, Jon; Gaschen, Lorrie, 2020, Journal of veterinary internal medicine , Volume: 34, Number: 4, Pages: 1440-1446
  • Administration of a synbiotic containing Enterococcus faecium does not significantly alter fecal microbiota richness or diversity in dogs with and without food-responsive chronic enteropathy , Pilla, Rachel; Guard, Blake; Steiner, Joerg; Gaschen, Frederic; Olson, Erin; Werling, Dirk; Allenspach, Karin; Salavati-Schmitz, Silke; Suchodolski, Jan, 2019, Frontiers in Veterinary Science , Volume: 6
  • Validation of Ultrasonography for Assessment of Gastric Emptying Time in Healthy Cats by Radionuclide Scintigraphy., Husnik, Roman; Fletcher, Jon; Gaschen, Lorrie; Gaschen, Frederic, 2017, Journal of Veterinary Internal Medicine , Volume: 31, Number: 2, Pages: 394-401
  • The Effect of Food Intake and Its Fat Composition on Intestinal Echogenicity in Healthy Dogs, Gaschen, Lorrie; Granger, L.; Oubre, Olivia; Shannon, Dylan ; Kearney, Michael; Gaschen, Frederic, 2016, Veterinary Radiology and Ultrasound , Volume: 57, Number: 5, Pages: 546-550
  • Commentary on key aspects of fecal microbiota transplantation in small animal practice, Chaitman, Jennifer; Jergens, Albert ; Gaschen, Frederic; Garcia-Mazcorro, Jose; Marroquin-Cardona, Alicia; Richter, Keith; Rossi, Giacomo; Weese, J, 2016, Veterinary Medicine: Research and Reports , Volume: 7, Pages: 71-74
  • Sepsis and multi-organ dysfunction associated with post-grooming furunculosis in a dog, Pucheu-Haston, Cherie; Pipe-Martin, Hannah; Peterson, Tiffany; Lane, Martha; Fletcher, Jon; Langohr, Ingeborg; Gaschen, Frederic, 2016, Veterinary Dermatology , Volume: 27, Number: 3, Pages: 198-201
  • Contrast enhanced ultrasonography of the pancreas in healthy dogs and in dogs with acute pancreatitis, Rademacher, Nathalie; Schur, David; Gaschen, Frederic; Kearney, Michael; Gaschen, Lorrie, 2016, Veterinary Radiology and Ultrasound , Volume: 57, Number: 1, Pages: 58-64
  • Perinuclear antineutrophil cytoplasmic autoantibodies in dogs infected with various vector-borne pathogens and in dogs with immune-mediated hemolytic anemia., Gaschen, Frederic; Karagianni, AE; Solan-Gallego, L; Breitschwerdt, EB; Day, MJ; Trotta, M; Wieland, B; Allenspach, K, 2012, American Journal of Veterinary Research , Volume: 73, Number: 9, Pages: 1403-1409
  • Evaluation of a Wireless Ambulatory Capsule (SmartPill®) to Measure Gastrointestinal Tract pH, Luminal Pressure and Temperature, and Transit Time in Ponies, Barthel, David; Gaschen, Lorrie; Andrews, Frank; Stokes, Ashley; Lavie, Nicolas; Keowen, Michael; Gaschen, Frederic, 2012, Equine Veterinary Journal , Volume: 44, Pages: 482-486
  • Cycad intoxication in dogs: Survival and prognostic indicators in a retrospective study of 47 cases (2003-2009), Wilson, Leslie; Ferguson, Dionne; Crowe, Monica ; Acierno, Mark; Gaschen, Frederic, 2011, Journal of Veterinary Internal Medicine , Volume: 25, Number: 4, Pages: 831-7
  • Activation of nuclear factor-kappaB in dogs with chronic enteropathies, Gaschen, Frederic; Luckschander, Nicole; Hall, Jean ; Foster, U; Wenzlow, N; Herrmann, P; Allenspach, Karin; Dobbelaere, Dirk; Burgener, Iwan; Welle, Monika , 2010, Vet Immunol Immunopathol. , Volume: 133, Pages: 228-236
  • Assessment of the relationship of body weight on gastrointestinal transit times using a wireless capsule in dogs, Gaschen, Frederic; Boillat, Caroline; Giselle, Hosgood, 2010, American Journal of Veterinary Reseach , Volume: 71, Pages: 898-902
  • Canine bronchoesophageal fistulas., Gaschen, Lorrie; Della Ripa, Mike; Gaschen, Frederic, 2010, Compend Contin Educ Pract Vet , Volume: 32, Pages: E1-E10
  • Canine bronchoesophageal fistulas: case report and literature review., Della Ripa, M; Gaschen, Frederic; Gaschen, Lorrie; Cho, Doo Youn, 2010, Compendium (Yardley, PA) , Volume: 32, Number: 4, Pages: E1
Journal Article, Professional Journal:
  • Antimicrobial susceptibility patterns and clinical parameters in 208 dogs with positive urine cultures (2012-2014), McGovern, Diana; Gaschen, Frederic; Roy, Alma, 2019, Journal of the American Animal Hospital Association
  • Effect of endoscopic forceps on quality of duodenal mucosal biopsy in healthy dogs, Gaschen, Frederic; Goutal-Landry, Caroline; Ryan, Kirk; Mansell, Joanne, 2013, J Vet Intern Med , Volume: 27, Pages: 456-461
  • Immunosuppressive treatment of IBD - when and how (in French), Gaschen, Frederic, 2013, Pratique Vétérinaire , Volume: 48, Pages: 86-89
  • Variability associated with repeated measurements of gastrointestinal tract motility in dogs obtained by use of a wireless motility capsule system and scintigraphy, Gaschen, Lorrie; Boillat, Carol; Gaschen, Frederic; Stout, Rhett; Giselle, Hosgood, 2010, Am J Vet Res , Volume: 71, Number: 8, Pages: 903-8
  • A Bronchoesophageal Fistula in a Yorkshire Terrier., Cho, Doo Youn; Della Ripa, Michael; Gaschen, Frederic; Gaschen, Lorrie, 2010, Compend Contin Educ Vet , Volume: 32, Number: 4, Pages: 1-10
Scientific Abstract:
  • Evidence for use of end-expiratory CT in dogs with chronic coughing, Schuber, Rebecca; Stewart, Mat; Hirsch, Aubrey; Gaschen, Frederic; Liu, Chin-Chi; Blank, Carolyn; Queiroz, Patricia; Granger, L., 2019
  • Use of Non-Inspiratory CT in dogs with chronic coughing, Stewart, Mat; Hirsch, Aubrey; Gaschen, Frederic; Schuber, Rebecca; Blank, Carolyn; Liu, Chin-Chi; Granger, L.; Queiroz, Patricia, 2018
  • Evidence for use of end-expiratory CT in dogs with chronic coughing, Schuber, Rebecca; Stewart, Mat; Hirsch, Aubrey; Gaschen, Frederic; Liu, Chin-Chi; Blank, Carolyn; Queiroz, Patricia; Granger, L., 2018
  • Effect of metoclopramide, erythromycin, and exenatide on solid phase gastric emptying in healthy cats., Husnik, Roman; Fletcher, Jon; Gaschen, Lorrie; Gaschen, Frederic, 2018
  • Prevalence of helicobacter species and their association with gastric pathology in dogs with gastrointestinal disease, Husnik, Roman; Gaschen, Frederic; Klimes, Jiri ; Kralova-Kovarikova, Simona; Fictum, Petr; Kolorz, Michal, 2016
  • Validation of ultrasonographic measurement of gastric emptying time in healthy cats using radionuclide scintigraphy, Fletcher, Jon; Husnik, Roman; Gaschen, Lorrie; Gaschen, Frederic, 2016
  • Effects of Metronidazole on the Fecal Metabolome in Healthy Dogs: An Untargeted Metabolomics Approach, Olson, Erin; Suchodolski, Jan ; Honnefer, Julia; Guard, Blake; Mustafa, AlShawaqfeh; Hyde, Embriette; Blake, Amanda; Steiner, Joerg; Barr, James; Knight, Rob; Gaschen, Frederic, 2016
  • Double-blind, placebo-controlled ultrasonographic evaluation of the effect of antiemetic drugs on antral motility and gastric emptying in healthy dogs, Gaschen, Frederic; Bogard, Kelli; Olson, Erin; Waddle, Mary Lynn; Stout, Rhett; Gaschen, Lorrie, 2015
  • Evaluation of the effects of a 2-week treatment with metronidazole on the fecal microbiome of healthy dogs, Gaschen, Frederic; Olson, Erin; Honnefer, Julia; Waddle, Mary Lynn; Suchodolski, Jan; Steiner, Joerg, 2015
  • Evolution of antimicrobial resistance patterns and clinical data in canine urinary tract infections at a veterinary teaching hospital, Gaschen, Frederic; McGovern, Diana; Acierno, Mark; Roy, Alma, 2014
  • Contrast enhanced ultrasound of the normal and diseased feline pancreas, Rademacher, Nathalie; Gaschen, Frederic; Royal, Angela; Kearney, Michael; Gaschen, Lorrie, 2012
  • Histopathological, clinical, endoscopic, and ultrasound features of dogs with chronic enteropathies and small intestinal crypt lesions., Gaschen, Frederic; Stroda, Karin; Wakamatsu, Nobuko; Gaschen, Lorrie; Kearney, Michael, 2012
  • COMPARISON OF QUALITY AND DIAGNOSTIC ADEQUACY OF CANINE DUODENAL MUCOSAL BIOPSY SPECIMENS OBTAINED WITH DIFFERENT ENDOSCOPIC FORCEPS IN 17 DOGS., Ryan, Kirk; Gaschen, Frederic; Goutal, Caroline; Mansell, Joanne, 2012
  • Seroreactivity against bacterial flagellin in dogs with inflammatory bowel disease: preliminary findings , Gaschen, Frederic; Procoli, F; Elson-Riggins, J; Graham, K; deAmbrogi, M; Schmitz, S; Kathrani, A; Simpson, K; Rycroft, A; Allenspach, K, 2011
Book, Textbook Chapter:
  • Diarrhea, Gaschen, Frederic, 2016, Publisher: CRC Press/Taylor & Francis Group, Pages: 39-46
  • Digestive diseases (pharynx to anorectum), Gaschen, Frederic, 2016, Publisher: CRC Press/Taylor & Francis Group, Pages: 253-332
  • Nephrology / Urology , Acierno, Mark, 2016, Publisher: CRC Press, Pages: 449-509
  • Vomiting, Gaschen, Frederic, 2016, Publisher: CRC Press/Taylor & Francis Group, Pages: 27-31
  • Approach to Abdominal Radiographs, Clinical Medicine of the Dog and Cat, Granger, L., 2016, Publisher: CRC Press, Pages: 509-542
  • Approach to Thoracic Radiographs, Clinical Medicine of the Dog and Cat, Granger, L., 2016, Publisher: CRC Press, Pages: 157-194
  • Medical History and Client Communication, Johnson, Stephanie, 2016, Publisher: CRC Press
  • Disorders of esophageal, gastric, and intestinal motility in cats, Gaschen, Frederic, 2015, Publisher: Elsevier, Pages: 117-128
  • Inflammatory Bowel Disease, Gaschen, Frederic, 2014, Publisher: Elsevier
  • Gastric and intestinal motility disorders, Gaschen, Frederic, 2013, Publisher: Elsevier
  • Large Intestine - Inflammation, Gaschen, Frederic; Allenspach, Karin, 2012, Publisher: Elsevier, Pages: 736-745
  • Chronic enteropathies - canine, Gaschen, Frederic, 2011, Publisher: Nestlé-Purina, Pages: 62-63
  • Chronic enteropathies - feline, Gaschen, Frederic, 2011, Publisher: Nestlé-Purina, Pages: 64-65
  • Inflammatory Bowel Disease, Gaschen, Frederic, 2011, Publisher: Elsevier Mosby, Pages: 605-607
  • Adverse Food Reactions in the Dog and Cat, Merchant, Sandra; Gaschen, Frederic, 2011, Publisher: Elsevier, Volume: 41, Pages: 361-379
  • Chronic Idiopathic Large Bowel Diarrhea in the Dog, Lecoindre, Patrick ; Gaschen, Frederic, 2011, Publisher: Elsevier, Volume: 41, Pages: 447-456
  • Alimentary lymphoma in cats and dogs, Gieger, Tracy, 2011, Publisher: Saunders/Elsevier, Volume: March 2011, Pages: 419-32
  • Ultrasonographic differentiation of neoplastic and inflammatory small intestinal disease, Gaschen, Lorrie, 2011, Publisher: Veterinary Clinics of North America, Volume: 41, Pages: 329-344
  • Basic Laboratory Investigations, Gaschen, Frederic, 2010, Publisher: Schluetersche, Pages: 65-71
  • Peripheral nervous system and musculature, Gaschen, Frederic; Faissler, Dominique; Jurina, Konrad; Cauzinille, Laurent; Adamo, Filippo; Jaggy, Andre, 2010, Publisher: Schluetersche, Pages: 271-329
Book, Textbook:
  • Clinical Medicine of the Dog and Cat, 3rd Edition, Schaer, Michael ; Gaschen, Frederic, 2016
  • Canine and Feline Gastroenterology, Gaschen, Frederic; Lecoindre, Patrick ; Eric, Monnet, 2011
  • Gastroentérologie du Chien et du Chat, Gaschen, Frederic; Lecoindre, Patrick ; Eric, Monnet, 2010
Other:
  • Efficacité d'une administration orale de cobalamine chez des chiens souffrant d'entéroopathies chroniques et présentant une hypocobalaminémie, Gaschen, Frederic, 2016
  • Chronic intestinal diseases of dogs and cats, Gaschen, Frederic, 2011
Journal Article, Public or Trade Journal:
  • Case Reports from the LSU Veterinary Teaching Hospital: Hyperinflammatory Syndrome in a Weimaraner Puppy, Ryan, Kirk; Spoor, Erich; Gaschen, Frederic, 2015
  • Case Reports from the LSU Veterinary Teaching Hospital: Hyperinflammatory Syndrome in a Weimaraner Puppy, Ryan, Kirk; Spoor, Erich; Gaschen, Frederic, 2014
Editorial:
  • Chronic intestinal diseases of dogs and cats - Update from the 21st century, Gaschen, Frederic, 2011