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  • The origins of the triple-H therapy for subarachnoid hemorrhage and Thoralf M. Sundt Jr

    Final Number:
    4183

    Authors:
    Kelly Gassie; Sara Ganaha MD; Robert E. Wharen MD; Hugh Gordon Deen MD; Fredric B. Meyer MD; Ronald Reimer MD; Nnenna Mbabuike MD; William D. Freeman MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2017 Annual Meeting - Late Breaking Science

    Introduction: Dr. Thoralf M. Sundt Jr. was a vascular neurosurgeon at Mayo Clinic who contributed tremendously to our knowledge and understanding of the pathophysiology of subarachnoid hemorrhage (SAH), vasospasm (VSP) and treatment, particularly what is called "Triple H"(HHH- hemodynamic, hemodilution and hypertension) therapy through his life’s work and publications. Although early studies of VSP were ongoing before and during Dr. Sundt’s career, the origins of who first described this medical treatment remain historically elusive. Herein we describe Dr. Sundt’s first description and contributions to our current understanding of clinical vasospasm after SAH and its modern day ICU treatment.

    Methods: We searched Pubmed using key words “triple H”, “subarachnoid hemorrhage” and “vasospasm” and later with adding author Thoralf M. Sundt Jr. Individual articles were recalled and refined with regard to their precision to HHH physiology and significance in the management of subarachnoid hemorrhage and vasospasm.

    Results: After selecting using “SAH” and “triple H” search criteria, we discovered 92 publications, with the first using the term “triple H” specifically in 1990 by Origitano et al. Using other search combinations and the author, we found 39 specific publications on the subject. Two articles were eliminated due to discussions based on AV fistulas and AVMs and not SAH. However in 1973, Dr Sundt described using pressors and fluids to increase cerebral blood flow and augment cardiac output in VSP SAH patients in an original article in Mayo Clinic Proceedings and Journal of Neurosurgery . We believe this represents the first physiological and early description of so-called triple H therapy for VSP.

    Conclusions: The term triple H therapy for SAH VSP was originally coined in the 1990 as the concept caught on, but the original physiologic description of this physiologic intervention appears described by Dr Thoralf Sundt in the Mayo Clinic Proceedings and Journal of Neurosurgery. His contributions to our understanding of clinical vasospasm are unparalleled in the field of neurosurgery.

    Patient Care: I am not sure if it will directly improve patient care, but it will provide historical context to some of the why's behind how we treat vasospasm. It will also pay respect to one of neurosurgery's legends in the field.

    Learning Objectives: - to discuss Dr. Sundt's contributions to our current understanding of vasospasm and treatment - to honor the life of Dr. Sundt in the field of neurosurgery

    References:

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