New Bolton Center Kennett Square, PA
Emergencies & Appointments:
Ryan Hospital Philadelphia, PA


Professor of Anesthesia (CE), University of Pennsylvania, School of Veterinary Medicine, Department of Clinical Studies

Director Anesthesia Residency Program, University of Pennsylvania, School of Veterinary Medicine, Department of Clinical Studies

Chief, Section of Anesthesia, University of Pennsylvania, School of Veterinary Medicine, Department of Clinical Studies

Board Certification in Pharmacology and Toxicology, German Veterinary Medical Association

Diplomate, European College of Veterinary Pharmacology and Toxicology (ECVPT)

Diplomate, American College of Veterinary Anesthesia and Analgesia (ACVAA)

Board Certification in Anesthesiology, Intensive Care & Pain Therapy, German Veterinary Medical Association, State of Baden-Württemberg

Clinical Specialties: Anesthesia
Research Areas: Equine anesthesia/analgesia, Hemorrhagic shock, Pharmacology

Contact Information:
University of Pennsylvania
School of Veterinary Medicine
Dept of Clinical Studies
New Bolton Center
382 West Street Road

Equine Anesthesia and Analgesia in general
Balanced Anesthesia in the Equine
Inhalant anesthesia in the equine and its impact on pulmonary gas exchange and hemodynamic function
Regional Anesthesia and Analgesia in the Equine
Large Animal Anesthesia

Pharmacology of hemoglobin-based blood substitutes
Pathophysiology of and treatment modalities for hemorrhagic shock
Microcirculation and tissue oxygenation
Pharmacology of analgesics and modern techniques of regional analgesia

Hartnack S, Bettschart-Wolfensberger R, Doherr MG, Driessen B, Pang D, Wohlfender F Critical incidence reporting systems – an option in equine anesthesia? Results from a panel meeting. Vet Anaesth Analg. doi: 10.1111/vaa.12065. Epub 40(6):e3-8.: , 2013.

Stotz-Rudolff A, Moens YPS, Driessen B, Ambrisko TD Comparison of an infrared anaesthetic agent analyser (Datex-Ohmeda) with refractometry for measurement of isoflurane, sevoflurane and desflurane concentrations Vet Anaesth Analg 41: 386-392, 2014.

To PL, Gunther RA, Jahr JS, Holtby RJ, Driessen B, Acharya SA, Chen PC, Cheung ATW Comparison of the macro-circulatory effects of the new generation plasma expander EAF-HexaPEGylated Albumin (EAF-PEG-BSA) in a rabbit hemorrhagic shock model: a comparison with conventional crystalloid and colloid solutions. J Anesth Clinic Res (doi:10.4172/2155-6148.1000343) 4: 343, 2013.

Wohlfender FD, Doherr MG, Driessen B, Hartnack S, Johnston GM, Bettschart-Wolfensberger R International online survey to assess current practice in equine anesthesia. Winner of the BEVA Trust Peter Rossdale EVJ Open Award Equine Vet J 47: 65-71, 2015.

Driessen B, Allweiler SA, Dörfelt R, Eberspächer E, Ionita JC, Pieper K, Raith A, Starker L Gegenwärtige und zukünftige Ausbildung von Tierärzten und tiermedizinischen Fachangestellten auf dem Gebiet der Anästhesie. DVG-Forum 1: 6-7, 2015.

Alef M, Driessen B; Hauschild G; Kästner S; Klöppel H; Pieper K; Christin Poller; Helene Rohrbach; Thomas Steidl; Sabine Tacke; Julia Tünsmeyer Leitlinie Anästhesiologische Versorgung bei Hund und Katze. Tierärztl Prax Tierärztl Prax, DOI: 10.15654/TPK-160633 Online: : 261-271, 2016.

Giordano P, Bennett RC, Driessen B A pilot study on skin potential recordings as a measure of nociception in pain-free dogs and humans, and in dogs with persistent pain. Acta Veterinaria (Belgrade): online at : , 2018.

Duffee L, Columbano N, Scanu A, Melosu V, Careddu GM, Sotgiu G, Driessen B MAC-sparing effect of nitrous oxide in sevoflurane anaesthetised sheep and its reversal with systemic atipamezole administration. PlosOne online at : , 2018.

Hopster K, Duffee L, Hopster-Iversen C, Driessen B Efficacy of an alveolar recruitment maneuver in improving gas exchange and pulmonary mechanics in dorsally recumbent anesthetized horses breathing either 30% oxygen and 70% helium (Heliox) or pure oxygen as fresh gas. Am J Vet Res: in print : , 2018.

Columbano N, Duffee L, Melosu V, Scanu A, Dore S, Sotgiu G, Driessen B, Careddu GM Determination of Minimum Alveolar Concentration (MAC) and cardiorespiratory effects of desflurane in mechanically ventilated sheep. Am J Vet Res: in print : , 2018.

Columbano N, Scanu A, Duffee L, Melosu V, Sotgiu G, Driessen B* Determination of the minimum alveolar concentration (MAC) and cardiopulmonary effects of sevoflurane in sheep. Vet Anaesth Analg: in print : , 2018.

DVM Free University of Berlin, Germany , 1988

PhD (Pharmacology & Toxicology) Free University of Berlin, Germany , 1991