Mark A. Helfaer, MD

Areas of Expertise: The effects of anesthesia on patients with obstructive sleep apnea, Perioperative administration of erythropoietin in blood conservation, Pediatric intensive care, Cerebral pathophysiology and the role of nitric oxide in the normal control of the cerebral vascular system
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP

  • Background

    View my expanded bio.
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  • Education and Training

    Medical School

    Albert Einstein College of Medicine, Bronx, NY


    Children's Hospital National Medical Center, Washington, DC


    Johns Hopkins Hospital, Baltimore, Md.

    Board Certification

    American Board of Pediatrics
    American Board of Pediatrics/Critical Care Medicine
    American Board of Anesthesiology

  • Titles and Academic Titles

    Attending Anesthesiologist

    Professor of Critical Care Medicine, Perelman School of Medicine at the University of Pennsylvania

  • Centers and Programs
  • Publications



    Roberts K, Srinivasan V, Niles DE, Eilevstjønn J, Tyler L, Boyle L, Bishnoi R, Ferry S, Nysæther J, Stavland M, Litman RS, Helfaer M, Nadkarni V. Does change in thoracic impedance measured via defibrillator electrode pads accurately detect ventilation breaths in children? Resuscitation. 2010 Nov;81(11):1544-9. Epub 2010 Aug 25. Read abstract.


    Sutton RM, Niles D, Meaney PA, Aplenc R, French B, Abella BS, Lengetti EL, Berg RA, Helfaer MA, Nadkarni V. "Booster" training: Evaluation of instructor-led bedside cardiopulmonary resuscitation skill training and automated corrective feedback to improve cardiopulmonary resuscitation compliance of Pediatric Basic Life Support providers during simulated cardiac arrest. Pediatr Crit Care Med. 2010 Jul 9. [Epub ahead of print]. Read abstract

    Nishisaki A, Donoghue AJ, Colborn S, Watson C, Meyer A, Brown CA 3rd, Helfaer MA, Walls RM, Nadkarni VM. Effect of just-in-time simulation training on tracheal intubation procedure safety in the pediatric intensive care unit.  Anesthesiology. 2010 Jul;113(1):214-23. Read abstract

    Topjian A, Hutchins L, Diliberto MA, Abend N, Ichord R, Helfaer M, Berg RA, Nadkarni V. Induction and maintenance of therapeutic hypothermia after pediatric cardiac arrest: Efficacy of a surface cooling protocol. Pediatr Crit Care Med. 2010 Apr 28. [Epub ahead of print]. Read abstract

    Srinivasan V, Nadkarni VM, Helfaer MA, Carey SM, Berg RA; American Heart Association National Registry of Cardiopulmonary Resuscitation Investigators.Childhood obesity and survival after in-hospital pediatric cardiopulmonary resuscitation. Pediatrics. 2010 Mar;125(3):e481-8. Epub 2010 Feb 22. Read abstract

    Friess SH, Ichord RN, Ralston J, Ryall K, Helfaer MA, Smith C, Margulies SS. Repeated traumatic brain injury affects composite cognitive function in piglets. J Neurotrauma. 2009 Jul;26(7):1111-21. Read abstract.