Chloe Grabenhorst, PharmD

    Chloe Grabenhorst, PharmD
  • Hometown: St. Louis, Missouri
  • Education: Texas Tech University Health Sciences Center College of Pharmacy
  • PGY-1 Pharmacy Residency: Texas Health Presbyterian Dallas
  • Areas of Interest: Cardiovascular ICU, including mechanical circulatory support, Medical ICU, toxicology, emergency medicine, and infectious diseases
  • Hobbies: Foodie, true crime, exercising, baking, and spending time with friends and family


PGY-2 Pharmacy Graduates

  • 2026

    Jacob Sanchez, PharmD Jacob Sanchez, PharmD
    Initial/Current Position: Cardiovascular ICU Clinical Pharmacy Specialist – Methodist Healthcare, San Antonio, Texas

  • 2025

    Alexandra Cyr (Burum), PharmD, BCCCPAlexandra Cyr
    Initial/Current Position: Critical Care Clinical Specialist – SSM Health St. Anthony Hospital Oklahoma City

  • 2024

    Carter Groch, PharmDCarter Groch, Dallas PGY Program
    Initial: Critical Care Clinical Pharmacy Specialist – Medical City McKinney
    Current Position: Clinical Pharmacy Manager – Methodist Richardson Medical Center, Richardson, Texas

  • 2023

    Sara M. Powell, PharmD, MS, BCCCP
    Initial/Current Position: Emergency Medicine/Cardiovascular ICU Clinical Pharmacy Specialist – Texas Health Presbyterian Dallas

  • 2022

    Valeria Perez, PharmD, BCCCP
    Initial Position: Emergency Medicine Clinical Pharmacist – Texas Health Presbyterian Dallas
    Current Position: Medical Science Liaison – Rare Emergency Medicine Disease Antidote Portfolio

  • 2021

    Brendon Clough, PharmD, BCCCP
    Initial Position: Emergency Medicine Clinical Pharmacist – Texas Health Presbyterian Dallas
    Current Position: Surgical ICU Clinical Pharmacist – John Peter Smith Hospital Fort Worth

  • 2019

    Paige Baize, PharmD, BCPS
    Initial Position: Emergency Medicine Clinical Pharmacy Specialist – Baylor University Medical Center
    Current Position: Medical Science Liaison - Vaccines

  • 2018

    Natalie Johnston (Martinez), PharmD, BCPS, BCCCP
    Initial Position: Neurosurgical ICU Clinical Pharmacy Specialist – OU Health Oklahoma City
    Current Position: Clinical Pharmacy Manager – Medical City McKinney 

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Publications and Presentations from Last 5 Years

Publications:

  1. Sanchez J, Faust AC, Shear K, Ortegon A, Doebele R.Vasopressin initiation at lower norepinephrine requirements is associated with faster hemodynamic stability in septic shock: a retrospective study.Under review at American Journal of Critical Care
  2. Tran C, Belisle J, McDaniel C. Safety of intravenous push versus infusion of tranexamic acid in angioedema: A retrospective cohort study. Manuscript accepted at Journal of Acute Care Pharmacotherapy
  3. Cyr A, Faust A, Clinical utility of beta-hydroxybutyrate vs anion gap to define resolution of diabetic ketoacidosis.Am J Crit Care 2026;35(4):298-303.
  4. Groch C, George S, Giddings D, Faust AC, Feldman M.Clinical progress note: De-labeling penicillin allergies.J Hosp Med 2026; published online ahead of print.
  5. Loomis JM, Mang N, Ortwine JK, et al.Oral antibiotic stepdown therapy for uncomplicated streptococcal bloodstream infections.Antimicrob Steward Healthc Epidemiol 2025;5(1):e211.
  6. Johnson EG, Maki Ortiz K, Adams DT, Kaur S, Faust AC, et al.A retrospective analysis of intravenous push versus extended infusion meropenem in critically ill patients.Antibiotics (Basel) 2024;13(9):835.
  7. Ding H, Mang NS, Loomis J, et al.Incidence of drug-resistant pathogens in community-acquired pneumonia at a safety net hospital.Microbiol Spectr 2024;12(8):e0079224.
  8. Perez V, McCreary M, Sheperd L, Nelson T, Sharma K.Antiphyretic efficacy of bromocriptine in central fever: an exploratory analysis.Neurocrit Care 2023;39(2):499-504.
  9. Powell SM, Faust AC, George S, Townsend R, Eubank D, Kim R.Effect of peripherally infused norepinephrine on reducing central venous catheter utilization.J Infus Nurs 2023;46(4):210-216.
  10. Perez V, Faust AC, Taburyanskaya M, Patil RA, Ortegon A.Effectiveness of an intravenous insulin-based treatment protocol for the management of hypertriglyceridemia-associated acute pancreatitis.J Pharm Techol 2023;39(2):55-61
  11. Meyrat R, Vivian E, Sridhar A, Gulden RH, Bruce S, Martinez A, Montgomery L, Reed D, Rappa P, Makanbhai H, Raney K, Belisle J, et al. Development of multidisciplinary, evidenced-based protocol recommendations and implementation strategies for anterior lumbar interbody fusion surgery following a literature review. Medicine 2023;102:47(e36142)
  12. Faust AC, Schwaner L, Thomas D, Sannapannei S, Feldman M.Pre-endoscopy use of proton pump inhibitor intravenous bolus dosing in hemodynamically stable patients with suspected upper gastrointestinal bleeding: results of a pharmacist-managed hospital protocol to reduce continuous infusion pantoprazole use.Hosp Pharm 2022;57(4):448-454.

Presentations:

  1. Grabenhorst C, Powell S, Cox J, Wong M, Leal A.Balance over bolus: optimizing diuretic strategies in mechanical circulatory support. Extracorporeal Life Support Organization Annual Conference.September 2026.Nashville, TN.
  2. Sanchez JD, Faust AC.Poster #1431 - Association between vasopressin initiation and time to hemodynamic stability in septic shock.2026 American College of Clinical Pharmacy Virtual Poster Symposium.May 2026.
  3. Sanchez J, Faust AC, Ortegon A.Association between vasopressin initiation and time to hemodynamic stability in septic shock.Texas Health Research Symposium.April 2026.Fort Worth, TX.
  4. Cyr A, Faust A.Poster #521: Utility of plasma beta-hydroxybutyrate as a resolution criteria for diabetic ketoacidosis.Society of Critical Care Medicine Annual Congress.March 2026.Chicago, IL.
  5. Sanchez J, Powell S.Association of new-onset arrhythmias between milrinone and renal impairment.Society of Critical Care Medicine Annual Congress.March 2026.Chicago, IL.
  6. Cyr A, Faust A.Utility of plasma beta-hydroxybutyrate as a resolution criteria for diabetic ketoacidosis.Texas Health Resources Research Symposium.April 2025.Fort Worth, TX.
  7. Cyr A, Faust A, Powell S.Sodium bicarbonate versus heparin purge solutions in patients with an Impella device.February 2025.Orlando, FL.
  8. Groch CJ, Powell S.Differences in sedation between patients on VA versus VV extracorporeal membrane oxygenation (ECMO).Texas Society of Health-System Pharmacy/ALCALDE Southwest Leadership Conference. April 2024.Round Rock, TX.
  9. Groch C, Faust A.Eculizumab for treatment of shiga toxin-producing E. coli hemolytic uremic syndrome (STEC-HUS).Society of Critical Care Medicine Annual Congress.January 2024.Phoenix, AZ.
  10. Powell SM, Sheperd L, Faust A.Clinical outcomes associated with fixed dose four-factor prothrombin complex concentrate (4F-PCC) for anticoagulant reversal in hemorrhaging patients.Texas Society of Health-System Pharmacy/ALCALDE Southwest Leadership Conference.April 2023.Galveston, TX.
  11. Powell SM.Effect of peripherally infused norepinephrine on reducing central venous catheter utilization.Society of Critical Care Medicine Annual Congress.January 2023.San Francisco, CA.
  12. Perez V.Efficacy of an insulin protocol for treatment of hypertriglyceridemia-induced acute pancreatitis.Texas Society of Health-System Pharmacy/ALCALDE Southwest Leadership Conference.May 2022.Round Rock, TX.
  13. Perez V, Faust AC.Efficacy of an insulin protocol for treatment of hypertriglyceridemia-induced acute pancreatitis.Society of Critical Care Medicine Annual Congress.April 2022.Virtual Event.
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