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Lowe RN, Wright G, Olivas L, Teel C, Suresh K, Macke LB, Sieja A, Rosenberg MA, Trinkley KE. Evaluating the prescribing and monitoring of medications associated with QTc-prolongation in the ambulatory care setting. J Eval Clin Pract 2024; 30:385-392. [PMID: 38073034 PMCID: PMC11023790 DOI: 10.1111/jep.13949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
RATIONALE Little is known about the prescribing of medications with potential to cause QTc-prolongation in the ambulatory care settings. Understanding real-world prescribing of QTc-prolonging medications and actions taken to mitigate this risk will help guide strategies to optimize safety and appropriate prescribing among ambulatory patients. OBJECTIVE To evaluate the frequency of clinician action taken to monitor and mitigate modifiable risk factors for QTc-prolongation when indicated. METHODS This retrospective, cross-sectional study evaluated clinician action at the time of prescribing prespecified medications with potential to prolong QTc in adult patients in primary care. The index date was defined as the date the medication was ordered. Electronic health record (EHR) data were evaluated to assess patient, clinician and visit characteristics. Clinician action was determined if baseline or follow-up monitoring was ordered or if action was taken to mitigate modifiable risk factors (laboratory abnormalities or electrocardiogram [ECG] monitoring) within 48 h of prescribing a medication with QTc-prolonging risk. Descriptive statistics were used to describe current practice. RESULTS A total of 399 prescriptions were prescribed to 386 patients, with a mean age of 51 ± 18 years, during March 2021 from a single-centre, multisite health system. Of these, 17 (4%) patients had a known history of QTc-prolongation, 170 (44%) did not have a documented history of QTc-prolongation and 199 (52%) had an unknown history (no ECG documented). Thirty-nine patients (10%) had at least one laboratory-related risk factor at the time of prescribing, specifically hypokalemia (16 patients), hypomagnesemia (8 patients) or hypocalcemia (19 patients). Of these 39 patients with laboratory risk factors, only 6 patients (15%) had their risk acknowledged or addressed by a clinician. Additionally, eight patients' most recent QTc was ≥500 ms and none had an ECG checked at the time the prescription was ordered. CONCLUSION Despite national recommendations, medication monitoring and risk mitigation is infrequent when prescribing QTc-prolonging medications in the ambulatory care setting. These findings call for additional research to better understand this gap, including reasons for the gap and consequences on patient outcomes.
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Affiliation(s)
- Rachel N Lowe
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado, USA
| | - Garth Wright
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado, USA
| | - Lucas Olivas
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado, USA
| | - Candance Teel
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado, USA
| | - Krithika Suresh
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado, USA
| | - Laura B Macke
- Department of Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Amber Sieja
- Department of Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Michael A Rosenberg
- Division of Cardiology, University of Colorado School of Medicine, Aurora, Colorado, USA
- Department of Biomedical Informatics, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Katy E Trinkley
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado, USA
- Department of Biomedical Informatics, University of Colorado School of Medicine, Aurora, Colorado, USA
- Department of Family Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
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Holmuhamedov EL, Chakraborty P, Oberlin A, Liu X, Yousufuddin M, Shen WK, Terzic A, Jahangir A. Aging-associated susceptibility to stress-induced ventricular arrhythmogenesis is attenuated by tetrodotoxin. Biochem Biophys Res Commun 2022; 623:44-50. [PMID: 35870261 DOI: 10.1016/j.bbrc.2022.07.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 07/11/2022] [Indexed: 11/26/2022]
Abstract
Aging is associated with increased prevalence of life-threatening ventricular arrhythmias, but mechanisms underlying higher susceptibility to arrhythmogenesis and means to prevent such arrhythmias under stress are not fully defined. We aimed to define differences in aging-associated susceptibility to ventricular fibrillation (VF) induction between young and aged hearts. VF induction was attempted in isolated perfused hearts of young (6-month) and aged (24-month-old) male Fischer-344 rats by rapid pacing before and following isoproterenol (1 μM) or global ischemia and reperfusion (I/R) injury with or without pretreatment with low-dose tetrodotoxin, a late sodium current blocker. At baseline, VF could not be induced; however, the susceptibility to inducible VF after isoproterenol and spontaneous VF following I/R was 6-fold and 3-fold higher, respectively, in old hearts (P < 0.05). Old animals had longer epicardial monophasic action potential at 90% repolarization (APD90; P < 0.05) and displayed a loss of isoproterenol-induced shortening of APD90 present in the young. In isolated ventricular cardiomyocytes from older but not younger animals, 4-aminopyridine prolonged APD and induced early afterdepolarizations (EADs) and triggered activity with isoproterenol. Low-dose tetrodotoxin (0.5 μM) significantly shortened APD without altering action potential upstroke and prevented 4-aminopyridine-mediated APD prolongation, EADs, and triggered activity. Tetrodotoxin pretreatment prevented VF induction by pacing in isoproterenol-challenged hearts. Vulnerability to VF following I/R or catecholamine challenge is significantly increased in old hearts that display reduced repolarization reserve and increased propensity to EADs, triggered activity, and ventricular arrhythmogenesis that can be suppressed by low-dose tetrodotoxin, suggesting a role of slow sodium current in promoting arrhythmogenesis with aging.
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Affiliation(s)
- Ekhson L Holmuhamedov
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA; Aurora Cardiovascular and Thoracic Services, Aurora Sinai/Aurora St. Luke's Medical Centers, Advocate Aurora Health, 2801 W. Kinnickinnic River Parkway, Ste. 880, Milwaukee, WI, 53215, USA
| | - Praloy Chakraborty
- Department of Cardiac Electrophysiology, Toronto General Hospital, 200 Elizabeth Street, Toronto, Ontario M5G 2C4, Canada
| | - Andrew Oberlin
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA
| | - Xiaoke Liu
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA
| | - Mohammed Yousufuddin
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA
| | - Win K Shen
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA; Mayo Clinic Arizona, 13400 E. Shea Boulevard, Scottsdale, AZ, 85259, USA
| | - Andre Terzic
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA
| | - Arshad Jahangir
- Division of Cardiovascular Diseases, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN, 55905, USA; Aurora Cardiovascular and Thoracic Services, Aurora Sinai/Aurora St. Luke's Medical Centers, Advocate Aurora Health, 2801 W. Kinnickinnic River Parkway, Ste. 880, Milwaukee, WI, 53215, USA; Center for Advanced Atrial Fibrillation Therapies, Aurora Sinai/Aurora St. Luke's Medical Centers, Advocate Aurora Health, 2801 W. Kinnickinnic River Parkway, Ste. 777, Milwaukee, WI, 53215, USA.
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Ali Z, Ismail M, Khan F, Sajid H. Association of H1-antihistamines with torsade de pointes: a pharmacovigilance study of the food and drug administration adverse event reporting system. Expert Opin Drug Saf 2020; 20:101-107. [PMID: 33141610 DOI: 10.1080/14740338.2021.1846717] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Background: This study aimed to measure the association of various H1-antihistamines (H1A) with Torsade de Pointes (TdP), and present a comprehensive overview of H1A-induced TdP cases reported to the Food and Drug Administration Adverse Event Reporting System (FAERS). Methods: All H1A-induced TdP cases (n = 406) were retrieved from the FAERS database using the preferred term 'Torsade de Pointes' of MedDRA version-22 from 1990 to 2019. Four data-mining algorithms were used for disproportionality analysis: Reporting Odds Ratio (ROR); Proportional Reporting Ratio (PRR), Empirical Bayes Geometric Mean (EBGM), and Information Content (IC). H1A with >3 TdP cases were included. Results: A total of 12 signals (Astemizole, cetirizine, chlorpheniramine, clemastine, desloratadine, diphenhydramine, hydroxyzine, loratadine, meclizine, promethazine, terfenadine, and trimeprazine) were identified including six new signals (cetirizine, chlorpheniramine, clemastine, desloratadine, loratadine, and meclizine). The number of risk factors (p = 0.031) and concomitant QT-prolonging drugs (p = <0.001) were significantly lower among new signals vs old signals. Moreover, new signals were strongly associated with QT-prolongation, cardiac reactions, and electrolyte abnormalities as compared with old signals. Conclusions: Our study found the increased torsadogenic potential of new signals compared with previously known old signals, hence necessitating clinical studies to determine the actual torsadogenic potential of newly identified signals.
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Affiliation(s)
- Zahid Ali
- Department of Pharmacy, University of Peshawar , Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Mohammad Ismail
- Department of Pharmacy, University of Peshawar , Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Fahadullah Khan
- Department of Pharmacy, University of Peshawar , Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Hira Sajid
- Department of Pharmacy, University of Peshawar , Peshawar, Khyber Pakhtunkhwa, Pakistan
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Aronow WS, Shamliyan TA. Effects of antidepressants on QT interval in people with mental disorders. Arch Med Sci 2020; 16:727-741. [PMID: 32542073 PMCID: PMC7286318 DOI: 10.5114/aoms.2019.86928] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 04/23/2018] [Indexed: 12/19/2022] Open
Abstract
INTRODUCTION Drug-induced QT prolongation is associated with higher cardiovascular mortality. MATERIAL AND METHODS We conducted a protocol-based comprehensive review of antidepressant-induced QT prolongation in people with mental disorders. RESULTS Based on findings from 47 published randomized controlled trials (RCTs), 3 unpublished RCTs, 14 observational studies, 662 case reports of torsades de pointes, and 168 cases of QT prolongation, we conclude that all antidepressants should be used only with licensed doses, and that all patients receiving antidepressants require monitoring of QT prolongation and clinical symptoms of cardiac arrhythmias. Large observational studies suggest increased mortality associated with all antidepressants (RR = 1.62, 95% CI: 1.60-1.63, number of adults: 1,716,552), high doses of tricyclic antidepressants (OR = 2.11, 85% CI 1.10-4.22), selective serotonin reuptake inhibitors (OR = 2.78, 95% CI: 1.24-6.24), venlafaxine (OR = 3.73, 95% CI: 1.33-10.45, number of adults: 4,040), and nortriptyline (OR = 4.60, 95% CI: 1.20-18.40, number of adults: 5,298). CONCLUSIONS Evidence regarding the risk of QT prolongation in children is sparse.
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Affiliation(s)
- Wilbert S. Aronow
- Department of Medicine and Cardiology Research, Westchester Medical Center and New York Medical College, New York, USA
| | - Tatyana A. Shamliyan
- Elsevier, Clinical Solutions, Philadelphia, USA
- Corresponding author: Tatyana A. Shamliyan MD, MS, Elsevier Clinical Solutions, 1600 Kennedy Blvd, 19103 Philadelphia, USA, Phone: 2675004863, E-mail:
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Ellermann C, Coenen A, Niehues P, Leitz P, Kochhäuser S, Dechering DG, Fehr M, Eckardt L, Frommeyer G. Proarrhythmic Effect of Acetylcholine-Esterase Inhibitors Used in the Treatment of Alzheimer’s Disease: Benefit of Rivastigmine in an Experimental Whole-Heart Model. Cardiovasc Toxicol 2019; 20:168-175. [DOI: 10.1007/s12012-019-09543-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Aronow WS, Shamliyan TA. Effects of atypical antipsychotic drugs on QT interval in patients with mental disorders. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:147. [PMID: 29862236 DOI: 10.21037/atm.2018.03.17] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Drug-induced QT prolongation is associated with higher risk of cardiac arrhythmias and cardiovascular mortality. We investigated the effects of atypical antipsychotic drugs on QT interval in children and adults with mental disorders. Methods We conducted random-effects direct frequentist meta-analyses of aggregate data from randomized controlled trials (RCT) and appraised the quality of evidence using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology. Our search in PubMed, EMBASE, the Cochrane Library, clinicaltrials.gov, and PharmaPendium up to October 2017 identified studies that examined aripiprazole, quetiapine, risperidone, olanzapine, ziprasidone and brexpiprazole. Results Low quality evidence suggests that aripiprazole (four meta-analyses and twelve RCTs), brexpiprazole (one systematic review and four RCTs) or olanzapine (five meta-analyses and twenty RCTs) do not increase QT interval. Low quality evidence suggests that ziprasidone (five meta-analyses and 11 RCTs) increases QT interval and the rates of QT prolongation while risperidone (four meta-analyses, 70 RCTs) and quetiapine (two meta-analyses and seven RCTs) are associated with QT prolongation and greater odds of torsades de pointes ventricular tachycardia especially in cases of drug overdose. Conclusions The main conclusion of our study is that in people with mental disorders and under treatment with atypical antipsychotic drugs, in order to avoid QT prolongation and reduce the risk of ventricular tachycardia clinicians may recommend aripiprazole, brexpiprazole or olanzapine in licensed doses. Long-term comparative safety needs to be established.
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Affiliation(s)
- Wilbert S Aronow
- Department of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, NY, USA
| | - Tatyana A Shamliyan
- Quality Assurance, Evidence-Based Medicine Center, Elsevier, Philadelphia, PA, USA
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