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Masmoudi I, Dindane Z, Richter S, Ebert M. Ventricular arrhythmias in the context of chronic kidney disease and electrolyte imbalance. Herzschrittmacherther Elektrophysiol 2024; 35:211-218. [PMID: 39008102 DOI: 10.1007/s00399-024-01029-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2024] [Indexed: 07/16/2024]
Abstract
Patients with chronic kidney disease face a high risk of sudden cardiac death, particularly in more advanced stages of renal dysfunction. Ventricular arrhythmias are prevalent and contribute to the heightened cardiovascular mortality. This review aims to explore the intricate interplay of disease-specific risk factors, arrhythmic triggers, and electrolyte disorders that amplify susceptibility to ventricular arrhythmias and sudden cardiac death in this population and influence the efficacy of available treatments.
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MESH Headings
- Humans
- Water-Electrolyte Imbalance/etiology
- Water-Electrolyte Imbalance/therapy
- Water-Electrolyte Imbalance/complications
- Water-Electrolyte Imbalance/physiopathology
- Death, Sudden, Cardiac/etiology
- Death, Sudden, Cardiac/prevention & control
- Renal Insufficiency, Chronic/complications
- Tachycardia, Ventricular/physiopathology
- Tachycardia, Ventricular/etiology
- Tachycardia, Ventricular/therapy
- Tachycardia, Ventricular/complications
- Arrhythmias, Cardiac/etiology
- Arrhythmias, Cardiac/physiopathology
- Arrhythmias, Cardiac/therapy
- Evidence-Based Medicine
- Risk Factors
- Comorbidity
- Ventricular Fibrillation/etiology
- Ventricular Fibrillation/physiopathology
- Ventricular Fibrillation/therapy
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Affiliation(s)
- Ines Masmoudi
- Division of Electrophysiology, Department for Internal Medicine and Cardiology, Heart Centre Dresden, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany
| | - Zouhir Dindane
- Division of Electrophysiology, Department for Internal Medicine and Cardiology, Heart Centre Dresden, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany
| | - Sergio Richter
- Division of Electrophysiology, Department for Internal Medicine and Cardiology, Heart Centre Dresden, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany
| | - Micaela Ebert
- Division of Electrophysiology, Department for Internal Medicine and Cardiology, Heart Centre Dresden, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, Dresden, Germany.
- Sektion Rhythmologie, Klinik für Innere Medizin und Kardiologie, Herzzentrum Dresden, Medizinische Fakultät und Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 76, 01307, Dresden, Germany.
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Ho CN, Chung WC, Kao CL, Hsu CW, Hung KC, Yu CH, Chen JY, Chen IW. Impact of preoperative QTc interval prolongation on short-term postoperative outcomes: A retrospective study. J Clin Anesth 2024; 98:111574. [PMID: 39121785 DOI: 10.1016/j.jclinane.2024.111574] [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: 02/23/2024] [Revised: 06/29/2024] [Accepted: 08/02/2024] [Indexed: 08/12/2024]
Abstract
STUDY OBJECTIVE Although a prolonged heart rate-corrected QT interval (QTcI) is associated with an increased risk of mortality in the general population, its prognostic value in surgical patients remains unclear. We aimed to examine whether preoperative QTcI prolongation predicts short-term postoperative outcomes in elderly patients undergoing noncardiac surgery. DESIGN The study was a retrospective analysis using the TriNetX network database. SETTING Operating room. INTERVENTION Assessment and categorization of preoperative QTcI. PATIENTS Data of patients aged ≥65 years who underwent non-cardiac surgery between 2010 and 2023 were analyzed. MEASUREMENTS Patients were categorized into four groups based on preoperative QTcI: long (500-600 ms), borderline (460-500 ms), high-normal (420-460 ms) and control (370-420 ms) groups. The groups were compared using a propensity score-matched analysis. The primary outcome was the all-cause 90-day mortality risk. The secondary outcomes included 90-day risks of postoperative new-onset atrial fibrillation (Af), ventricular arrhythmias (VAs), emergency visits, hospital readmissions, and pneumonia. RESULTS In total, data on 519,929 patients were collected in this study. Pairwise comparisons showed that all QTcI prolongation groups demonstrated a heightened incidence of postoperative mortality, arrhythmias, and other complications compared to the control group. Patients with a long QTcI had a 3-fold higher risk of mortality (hazard ratio [HR] = 3.124, p < 0.001), Af (HR = 3.059, p < 0.001), and VAs (HR = 3.617, p < 0.001) than controls. The risks of emergency visits (HR = 1.287, p < 0.001), hospital readmissions (HR = 1.591, p < 0.001), and pneumonia (HR = 1.672, p < 0.001) were also higher in the long QTcI group than in the control group. A dose-dependent response was evident between QTcI and mortality as well as arrhythmia risk. CONCLUSION Preoperative QTcI screening effectively risk-stratifies elderly surgical patients, with a QTcI≥500 ms being strongly predictive of short-term postoperative mortality and other complications. Incorporating QTcI assessment into the preoperative evaluation may guide perioperative monitoring and management.
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Affiliation(s)
- Chun-Ning Ho
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung City, Taiwan; Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Wei-Chu Chung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Chia-Li Kao
- Department of Anesthesiology, E-Da Hospital, I-Shou University, Kaohsiung City, Taiwan
| | - Chih-Wei Hsu
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung City 83301, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Chia-Hung Yu
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Jen-Yin Chen
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung City, Taiwan; Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - I-Wen Chen
- Department of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan City, Taiwan.
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Berry K, Postlmayr L, Shiltz D, Parker J, Ice C. Impact of an inpatient pharmacist-driven renal dosing policy on order verification time and patient safety. SAGE Open Med 2024; 12:20503121241233223. [PMID: 38379810 PMCID: PMC10878201 DOI: 10.1177/20503121241233223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/31/2024] [Indexed: 02/22/2024] Open
Abstract
Research regarding pharmacist-driven renal dosing policies has focused on cost savings or prevention of adverse drug events. However, little is known about how these policies influence time from order signature to order verification or how this efficiency may reduce the incidence of adverse outcomes. Objectives: The primary endpoint compared time from prescriber electronic order signature to pharmacist electronic order verification between pre- and post-renal dosing policy implementation. The secondary endpoint evaluated electrocardiogram QTc prolongation attributed to fluconazole accumulation in renal impairment. Methods: This retrospective analysis included adults with a creatine clearance ⩽50 mL/min who received at least two inpatient doses from a 34-medication renal dosing protocol between January-February 2020 and April-May 2020. Results: 502 patients met eligibility for the primary outcome. The pre- and post-policy cohorts shared similar baseline characteristics. Time from order signature to verification was 9 and 8 min in the pre- and post-policy groups, respectively (p = 0.0861). In all, 56 patients met inclusion criteria for the secondary outcome. The QTc interval during fluconazole increased relative to baseline in 3 of 7 (43%) pre-policy and 4 of 5 (80%) post-policy. The QTc interval exceeded 500 ms in two patients, both in the post-policy cohort. Conclusions: There was no difference in order signature to verification time. Post-policy fluconazole renal adjustment did not reduce QTc prolongation.
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Affiliation(s)
- Kayla Berry
- Michigan Medicine, University of Michigan Health, Ann Arbor, MI, USA
| | - Laura Postlmayr
- Sinai-Grace Hospital—Detroit Medical Center, Detroit, MI, USA
| | - Dane Shiltz
- College of Pharmacy, Ferris State University, Grand Rapids, MI, USA
- Butterworth Hospital Pharmacy, Spectrum Health, Grand Rapids, MI, USA
| | - Jessi Parker
- Scholarly Activity and Scientific Support Spectrum Health, Grand Rapids, MI, USA
| | - Calvin Ice
- Butterworth Hospital Pharmacy, Spectrum Health, Grand Rapids, MI, USA
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Lin SC, Chou HH, Lin TY, Huang HL. Corrected QT Interval and Outcomes of Dialysis Patients with Symptomatic Peripheral Artery Disease: A Prospective Cohort Study. J Clin Med 2024; 13:654. [PMID: 38337348 PMCID: PMC10856551 DOI: 10.3390/jcm13030654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/11/2024] [Accepted: 01/18/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Peripheral artery disease (PAD) is common and associated with a higher risk of cardiovascular morbidity and mortality in dialysis patients. A longer corrected QT (QTc) interval has been associated with adverse cardiovascular events and mortality in the general population and patients with end-stage kidney disease. However, little evidence is available on the predictive value of QTc in dialysis patients with PAD. METHODS We conducted a prospective cohort study of 356 dialysis patients with symptomatic PAD undergoing endovascular therapy. We performed the resting 12-lead electrocardiogram (ECG) at baseline. Cox regression analyses were used to assess the association of QTc with all-cause mortality and major adverse cardiovascular events (MACEs), defined as non-fatal myocardial infarction, non-fatal stroke, and cardiovascular death. RESULTS The mean age was 67.3 ± 11.5 years; 41.6% of participants were women. The median QTc was 471 (interquartile ranges 448-491) milliseconds (ms). During a median follow-up of 2.2 years, 188 (52.8%) patients died, and MACEs occurred in 119 (33.4%) patients. In multivariable-adjusted models, patients in tertile 3 of QTc levels had a significantly greater risk of all-cause mortality (hazard ratio [HR] 2.41, 95% confidence intervals [CI] 1.58-3.69) and MACEs (HR 1.90, 95% CI 1.15-3.13) than those in tertile 1. Similarly, each 10-ms increase in the baseline QTc predicted a higher risk of all-cause death (HR 1.15, 95% CI 1.09-1.21) and MACEs (HR 1.15, 95% CI 1.07-1.23). CONCLUSIONS QTc prolongation was independently associated with adverse outcomes among dialysis patients with symptomatic PAD.
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Affiliation(s)
- Shuang-Chin Lin
- Division of Cardiology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, 289, Jianguo Road, Xindian District, New Taipei City 231, Taiwan; (S.-C.L.); (H.-H.C.)
| | - Hsin-Hua Chou
- Division of Cardiology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, 289, Jianguo Road, Xindian District, New Taipei City 231, Taiwan; (S.-C.L.); (H.-H.C.)
- School of Medicine, Tzu Chi University, Hualien City 970, Taiwan
| | - Ting-Yun Lin
- School of Medicine, Tzu Chi University, Hualien City 970, Taiwan
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, 289, Jianguo Road, Xindian District, New Taipei City 231, Taiwan
| | - Hsuan-Li Huang
- Division of Cardiology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, 289, Jianguo Road, Xindian District, New Taipei City 231, Taiwan; (S.-C.L.); (H.-H.C.)
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien City 970, Taiwan
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Morishita H, Perera LMB, Sunakawa H, Kimura S, Yoshida H, Ogihara T. P-Glycoprotein-Mediated Interaction Is a Risk Factor for QT Prolongation in Concomitant Use of Antipsychotics and SSRIs as P-Glycoprotein-Mediated Inhibitors: Analysis of the Japanese Adverse Drug Event Report Database. J Clin Pharmacol 2024; 64:118-124. [PMID: 37658631 DOI: 10.1002/jcph.2343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023]
Abstract
The inhibition of human ether-a-go-go-related gene (hERG) channels is a known cause of QT prolongation triggered by antipsychotic drugs. Our previous studies suggest that P-glycoprotein (P-gp)-mediated drug interactions may lead to increased gastrointestinal absorption of pimozide and its accumulation in cardiomyocytes, thereby enhancing the inhibitory effect of hERG channels. There is a paucity of epidemiological studies examining the risk of QT prolongation by antipsychotic drugs in terms of P-gp-mediated interactions with concomitant drugs. Therefore, using the Japanese Adverse Event Reporting Database, we investigated whether the risk of QT prolongation triggered by antipsychotic drugs associated with hERG inhibition is affected by the concomitant use of selective serotonin reuptake inhibitors (SSRIs) associated with P-gp inhibition. The results showed that the frequency of QT prolongation increased when the antipsychotic drugs quetiapine and sulpiride, which are P-gp substrates, were combined with SSRIs with P-gp inhibition. In contrast, no association with QT prolongation was observed in patients on non-P-gp-substrate antipsychotics, irrespective of the P-gp inhibitory effect of the concomitant SSRI. These results suggest that P-gp-mediated interactions are a risk factor for antipsychotic-induced QT prolongation. There is a need for further investigation into the risks of specific drug combinations.
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Affiliation(s)
- Hiroki Morishita
- Laboratory of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Takasaki University of Health and Welfare, Takasaki, Gunma, Japan
- Department of Pharmacy, Saiseikai Maebashi Hospital, Maebashi, Gunma, Japan
| | | | - Hiroki Sunakawa
- Laboratory of Biopharmaceutics, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Gunma, Japan
| | - Satsuki Kimura
- Laboratory of Biopharmaceutics, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Gunma, Japan
| | - Hitoshi Yoshida
- Department of Pharmacy, Saiseikai Maebashi Hospital, Maebashi, Gunma, Japan
| | - Takuo Ogihara
- Laboratory of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Takasaki University of Health and Welfare, Takasaki, Gunma, Japan
- Laboratory of Biopharmaceutics, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Gunma, Japan
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Llopis-Lorente J, Baroudi S, Koloskoff K, Mora MT, Basset M, Romero L, Benito S, Dayan F, Saiz J, Trenor B. Combining pharmacokinetic and electrophysiological models for early prediction of drug-induced arrhythmogenicity. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2023; 242:107860. [PMID: 37844488 DOI: 10.1016/j.cmpb.2023.107860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/28/2023] [Accepted: 10/10/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND AND OBJECTIVE In silico methods are gaining attention for predicting drug-induced Torsade de Pointes (TdP) in different stages of drug development. However, many computational models tended not to account for inter-individual response variability due to demographic covariates, such as sex, or physiologic covariates, such as renal function, which may be crucial when predicting TdP. This study aims to compare the effects of drugs in male and female populations with normal and impaired renal function using in silico methods. METHODS Pharmacokinetic models considering sex and renal function as covariates were implemented from data published in pharmacokinetic studies. Drug effects were simulated using an electrophysiologically calibrated population of cellular models of 300 males and 300 females. The population of models was built by modifying the endocardial action potential model published by O'Hara et al. (2011) according to the experimentally measured gene expression levels of 12 ion channels. RESULTS Fifteen pharmacokinetic models for CiPA drugs were implemented and validated in this study. Eight pharmacokinetic models included the effect of renal function and four the effect of sex. The mean difference in action potential duration (APD) between male and female populations was 24.9 ms (p<0.05). Our simulations indicated that women with impaired renal function were particularly susceptible to drug-induced arrhythmias, whereas healthy men were less prone to TdP. Differences between patient groups were more pronounced for high TdP-risk drugs. The proposed in silico tool also revealed that individuals with impaired renal function, electrophysiologically simulated with hyperkalemia (extracellular potassium concentration [K+]o = 7 mM) exhibited less pronounced APD prolongation than individuals with normal potassium levels. The pharmacokinetic/electrophysiological framework was used to determine the maximum safe dose of dofetilide in different patient groups. As a proof of concept, 3D simulations were also run for dofetilide obtaining QT prolongation in accordance with previously reported clinical values. CONCLUSIONS This study presents a novel methodology that combines pharmacokinetic and electrophysiological models to incorporate the effects of sex and renal function into in silico drug simulations and highlights their impact on TdP-risk assessment. Furthermore, it may also help inform maximum dose regimens that ensure TdP-related safety in a specific sub-population of patients.
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Affiliation(s)
- Jordi Llopis-Lorente
- Centro de Investigación e Innovación en Bioingeniería (Ci(2)B), Universitat Politècnica de València, camino de Vera, s/n, 46022, Valencia, Spain
| | | | | | - Maria Teresa Mora
- Centro de Investigación e Innovación en Bioingeniería (Ci(2)B), Universitat Politècnica de València, camino de Vera, s/n, 46022, Valencia, Spain
| | | | - Lucía Romero
- Centro de Investigación e Innovación en Bioingeniería (Ci(2)B), Universitat Politècnica de València, camino de Vera, s/n, 46022, Valencia, Spain
| | | | | | - Javier Saiz
- Centro de Investigación e Innovación en Bioingeniería (Ci(2)B), Universitat Politècnica de València, camino de Vera, s/n, 46022, Valencia, Spain
| | - Beatriz Trenor
- Centro de Investigación e Innovación en Bioingeniería (Ci(2)B), Universitat Politècnica de València, camino de Vera, s/n, 46022, Valencia, Spain.
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Kim JA, Kim SE, El Hachem K, Virk HUH, Alam M, Virani SS, Sharma S, House A, Krittanawong C. Medical Management of Coronary Artery Disease in Patients with Chronic Kidney Disease. Am J Med 2023; 136:1147-1159. [PMID: 37380060 DOI: 10.1016/j.amjmed.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/15/2023] [Indexed: 06/30/2023]
Abstract
Chronic kidney disease patients are at increased risk of cardiovascular disease, which is the leading cause of mortality among this population. In addition, chronic kidney disease is a major risk factor for the development of coronary artery disease and is widely regarded as a coronary artery disease risk equivalent. Medical therapy is the cornerstone of coronary artery disease management in the general population. However, there are few trials to guide medical therapy of coronary artery disease in chronic kidney disease, with most data extrapolated from clinical trials of mainly non-chronic kidney disease patients, which were not adequately powered to evaluate this subgroup. There is some evidence to suggest that the efficacy of certain therapies such as aspirin and statins is attenuated with declining estimated glomerular filtration rate, with questionable benefit among end-stage renal disease (ESRD) patients. Furthermore, chronic kidney disease and ESRD patients are at higher risk of potential side effects with therapy, which may limit their use. In this review, we summarize the available evidence supporting the safety and efficacy of medical therapy of coronary artery disease in chronic kidney disease and ESRD patients. We also discuss the data on new emerging therapies, including PCSK9i, SGLT2i, GLP1 receptor agonists, and nonsteroidal mineralocorticoid receptor antagonists, which show promise at reducing risk of cardiovascular events in the chronic kidney disease population and may offer additional treatment options. Overall, dedicated studies directly evaluating chronic kidney disease patients, particularly those with advanced chronic kidney disease and ESRD, are greatly needed to establish the optimal medical therapy for coronary artery disease and improve outcomes in this vulnerable population.
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Affiliation(s)
- Jitae A Kim
- Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Seulgi E Kim
- Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Karim El Hachem
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, Mount Sinai Hospital, New York, NY
| | - Hafeez Ul Hassan Virk
- Harrington Heart & Vascular Institute, Case Western Reserve University, University Hospitals Cleveland Medical Center, Ohio
| | - Mahboob Alam
- Texas Heart Institute and Baylor College of Medicine, Houston
| | - Salim S Virani
- Section of Cardiology, Baylor College of Medicine, Houston, Texas; Office of the Vice Provost (Research), The Aga Khan University, Karachi, Pakistan
| | - Samin Sharma
- Cardiac Catheterization Laboratory of the Cardiovascular Institute, Mount Sinai Hospital, New York, NY
| | - Andrew House
- Division of Nephrology, Department of Medicine, Western University and London Health Sciences Centre, Ont, Canada
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Cuomo A, Barillà G, Serafini G, Aguglia A, Amerio A, Cattolico M, Carmellini P, Spiti A, Fagiolini A. Drug-drug interactions between COVID-19 therapeutics and psychotropic medications. Expert Opin Drug Metab Toxicol 2023; 19:925-936. [PMID: 38032183 DOI: 10.1080/17425255.2023.2288681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 11/23/2023] [Indexed: 12/01/2023]
Abstract
INTRODUCTION The coronavirus (COVID-19) pandemic has led to as well as exacerbated mental health disorders, leading to increased use of psychotropic medications. Co-administration of COVID-19 and psychotropic medications may result in drug-drug interactions (DDIs), that may compromise both the safety and efficacy of both medications. AREAS COVERED This review provides an update of the current evidence on DDIs between COVID-19 and psychotropic medications. The interactions are categorized into pharmacokinetic, pharmacodynamic, and other relevant types. A thorough literature search was conducted using electronic databases to identify relevant studies, and extract data to highlight potential DDIs, clinical implications, and management strategies. EXPERT OPINION Understanding and managing potential DDIs between COVID-19 and psychotropic medications is paramount to ensuring safe and effective treatment of patients with COVID-19 and mental illness. Awareness of the diverse spectrum of DDIs, vigilant monitoring, and judicious dose modifications, while choosing pharmacotherapeutic options with low risk of interaction whenever possible, are necessary. Ongoing and future investigations should continue to review the dynamic landscape of COVID-19 therapeutic modalities and their interactions with psychotropic medications.
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Affiliation(s)
- Alessandro Cuomo
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
| | - Giovanni Barillà
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
| | - Gianluca Serafini
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- Department of Neuroscience, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Andrea Aguglia
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- Department of Neuroscience, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Andrea Amerio
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
- Department of Neuroscience, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Matteo Cattolico
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
| | - Pietro Carmellini
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
| | - Alessandro Spiti
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
| | - Andrea Fagiolini
- Division of Psychiatry, Department of Molecular Medicine University of Siena School of Medicine Siena, Siena, Italy
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Impact of chronic kidney disease on in-hospital mortality and clinical outcomes of catheter ablation of ventricular tachycardia: Insights from the national readmission database. J Interv Card Electrophysiol 2023; 66:323-331. [PMID: 35314904 DOI: 10.1007/s10840-022-01187-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/18/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Catheter ablation is an effective treatment for ventricular tachycardia (VT), albeit the decision to undergo this procedure is often influenced by underlying comorbidities. The present study aims at evaluating the effects of chronic kidney disease (CKD) on clinical outcomes of VT ablation. METHODS We identified 7212 patients who presented between 2016 and 2018 and underwent catheter ablation for VT. Their clinical data were retrospectively accrued from the national readmission database (NRD) using the corresponding diagnosis codes. We compared clinical outcomes between patients with chronic kidney disease (CKD group) and patients without. Odds ratios (OR) for the primary and secondary outcomes were calculated, and multivariable regression analysis was utilized to adjust for confounding variables. RESULTS Compared with patients without CKD, patients in CKD group were older (mean age 67.9 vs. 60.5 years, P < 0.01), had a longer mean length of stay (8.73 vs. 5.69 days, P < 0.01), and higher in-hospital mortality 113 (6.7%) vs. 119 (2.2%) (OR 2.24, 95% confidence interval (CI) (1.29-3.88), P < 0.01). CKD group patients had increased risk of developing acute kidney injury 726 (43%) vs. 623 (11.3%) (3.69 95% CI (2.87-4.74), P < 0.01). CONCLUSION In patients with CKD, VT ablation is associated with worse clinical outcomes in-hospital mortality, acute kidney injury, mean length of stay, and total hospital charge. This significantly influences the decision-making prior to performing this procedure.
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Camanho LEM. Revisiting the QT Interval: An Old Marker for a New Disease? Arq Bras Cardiol 2023; 120:e20220878. [PMID: 36790307 PMCID: PMC10389110 DOI: 10.36660/abc.20220878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Affiliation(s)
- Luiz Eduardo Montenegro Camanho
- Hospital Pró-CardíacoRio de JaneiroRJBrasilHospital Pró-Cardíaco – Serviço de Arritmias e Estimulação Cardíaca Artificial, Rio de Janeiro, RJ – Brasil
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The Role of Hypomagnesemia in Cardiac Arrhythmias: A Clinical Perspective. Biomedicines 2022; 10:biomedicines10102356. [PMID: 36289616 PMCID: PMC9598104 DOI: 10.3390/biomedicines10102356] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/03/2022] [Accepted: 09/09/2022] [Indexed: 11/17/2022] Open
Abstract
The importance of magnesium (Mg2+), a micronutrient implicated in maintaining and establishing a normal heart rhythm, is still controversial. It is known that magnesium is the cofactor of 600 and the activator of another 200 enzymatic reactions in the human organism. Hypomagnesemia can be linked to many factors, causing disturbances in energy metabolism, ion channel exchanges, action potential alteration and myocardial cell instability, all mostly leading to ventricular arrhythmia. This review article focuses on identifying evidence-based implications of Mg2+ in cardiac arrhythmias. The main identified benefits of magnesemia correction are linked to controlling ventricular response in atrial fibrillation, decreasing the recurrence of ventricular ectopies and stopping episodes of the particular form of ventricular arrhythmia called torsade de pointes. Magnesium has also been described to have beneficial effects on the incidence of polymorphic ventricular tachycardia and supraventricular tachycardia. The implication of hypomagnesemia in the genesis of atrial fibrillation is well established; however, even if magnesium supplementation for rhythm control, cardioversion facility or cardioversion success/recurrence of AF after cardiac surgery and rate control during AF showed some benefit, it remains controversial. Although small randomised clinical trials showed a reduction in mortality when magnesium was administered to patients with acute myocardial infarction, the large randomised clinical trials failed to show any benefit of the administration of intravenous magnesium over placebo.
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Lee MC, Wang YT, Li YJ, Tsai CY, Chen ST, Jhuang WJ, Chang MC, Chien MY, Lee HC. QTc Interval is Associated with Atrial Fibrillation in Individuals with Metabolic Syndrome Phenotype. Int J Gen Med 2022; 15:6189-6198. [PMID: 35874912 PMCID: PMC9296885 DOI: 10.2147/ijgm.s361705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/04/2022] [Indexed: 11/24/2022] Open
Abstract
Purpose Manifestations of metabolic syndrome (MetS) carry risks for atrial fibrillation (AF). The study determined whether any electrocardiographic parameter can reflect increased AF risk in individuals with MetS. Patients and Methods From our University Hospital database, we examined the presence of AF and its correlation with MetS manifestations, renal function, lipid profiles, and electrocardiographic parameters (P wave duration, PR interval, QRS width, and QTc intervals). Between January 2008 and December 2015, data from 4479 adults (women 41.6% vs men 58.4%) were identified. Results The overall prevalence of AF was 12.4%, without sex differences (women, 12.8% vs men, 12.1%). Patients with AF were older (age 73.9 ± 11.8 vs non-AF 67 ± 13.5 years), with lower lipid levels (TG, total cholesterol, and LDL-cholesterol, all p < 0.0001), and at lower eGFR level (64.1 ± 30.9 vs non-AF 68.8 ± 41.4 mL/min/1.73m2, p < 0.0001). Besides, sex differences were present in all electrocardiographic parameters (all p < 0.05). Hypertension had the highest odds ratio (1.33; p = 0.026) for AF. Comparing AF to non-AF, the QTc of quartiles was significantly different (p < 0.0089). The shortest and longest QTc quartiles had an increased incidence of AF. Conclusion AF risk in patients with MetS phenotypes can be reflected by QTc quartiles.
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Affiliation(s)
- Ming-Chuan Lee
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Yu-Tsang Wang
- Division of Medical Statistics and Bioinformatics, Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Yu-Ju Li
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Ching-Yi Tsai
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Su-Te Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Wun-Jyun Jhuang
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Lipid Science and Aging Research Center, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Meng-Chi Chang
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Mei-Yu Chien
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Hsiang-Chun Lee
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Lipid Science and Aging Research Center, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Department of Internal Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Institute/Center of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 804, Taiwan
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Pornwattanakavee SP, Priksri W, Leelakanok N. QTc prolongation in patients with COVID-19: a retrospective chart review. Transl Clin Pharmacol 2021; 29:197-205. [PMID: 35024360 PMCID: PMC8718354 DOI: 10.12793/tcp.2021.29.e20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/28/2021] [Accepted: 10/31/2021] [Indexed: 12/19/2022] Open
Abstract
Drug-induced corrected QT (QTc) prolongation can cause Torsade de Pointes (TdP) which leads to severe arrhythmia or sudden cardiac death. However, information on the prevalence of QTc prolongation in coronavirus disease 2019 (COVID-19) patients and risk factors is limited. A retrospective chart review was conducted in COVID-19 patients admitted to Chonburi Hospital from April to October 2020. The outcomes were the incidence of QTc prolongation and prevalence of risk factor QTc prolongation. We included 29 COVID-19 patients. After treatments were initiated, QTc prolongation occurred in 17 patients (58.62%). QT prolongation could be found as early as two days after the treatment initiation (median = 6 days interquartile range [IQR], 4-7). The median QTc interval in those 17 patients increased from 410 (IQR, 399.5-425.0) ms to 460 (453.50-466.50) ms, with the maximum QTc interval of 488 ms. They were treated with multiple drugs that were reported as a cause of QTc prolongation. 64.71% (n = 11) of them were treated with chloroquine. The median TdP risk score in patients with and without QTc prolongation was 3 (IQR, 2-3) and 2 (IQR, 1-2), respectively. The percentage of patients with comorbidities including atrial fibrillation, bradycardia, concomitant use of diuretics, diabetes, electrolyte imbalance was higher in patients with QTc prolongation. COVID-19 patients were treated with multiple drugs that were reported as a cause of QTc prolongation. COVID-19 patients with QTc prolongation had more comorbidities that are risk factors for QTc prolongation.
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Affiliation(s)
| | | | - Nattawut Leelakanok
- Division of Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Burapha University, Saen Suk 20131, Thailand
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Huang SY, Chen YC, Kao YH, Lu YY, Lin YK, Higa S, Chen SA, Chen YJ. Calcium dysregulation increases right ventricular outflow tract arrhythmogenesis in rabbit model of chronic kidney disease. J Cell Mol Med 2021; 25:11264-11277. [PMID: 34761510 PMCID: PMC8650029 DOI: 10.1111/jcmm.17052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 10/24/2021] [Accepted: 11/01/2021] [Indexed: 12/03/2022] Open
Abstract
Chronic kidney disease (CKD) increases the risk of arrhythmia. The right ventricular outflow tract (RVOT) is a crucial site of ventricular tachycardia (VT) origination. We hypothesize that CKD increases RVOT arrhythmogenesis through its effects on calcium dysregulation. We analysed measurements obtained using conventional microelectrodes, patch clamp, confocal microscopy, western blotting, immunohistochemical examination and lipid peroxidation for both control and CKD (induced by 150 mg/kg neomycin and 500 mg/kg cefazolin daily) rabbit RVOT tissues or cardiomyocytes. The RVOT of CKD rabbits exhibited a short action potential duration, high incidence of tachypacing (20 Hz)‐induced sustained VT, and long duration of isoproterenol and tachypacing‐induced sustained and non‐sustained VT. Tachypacing‐induced sustained and non‐sustained VT in isoproterenol‐treated CKD RVOT tissues were attenuated by KB‐R7943 and partially inhibited by KN93 and H89. The CKD RVOT myocytes had high levels of phosphorylated CaMKII and PKA, and an increased expression of tyrosine hydroxylase‐positive neural density. The CKD RVOT myocytes exhibited large levels of Ito, IKr, NCX and L‐type calcium currents, calcium leak and malondialdehyde but low sodium current, SERCA2a activity and SR calcium content. The RVOT in CKD with oxidative stress and autonomic neuron hyperactivity exhibited calcium handling abnormalities, which contributed to the induction of VT.
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Affiliation(s)
- Shih-Yu Huang
- Division of Cardiac Electrophysiology, Cardiovascular Center, Cathay General Hospital, Taipei City, Taiwan.,School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Yao-Chang Chen
- Department of Biomedical Engineering, National Defense Medical Center, Taipei City, Taiwan
| | - Yu-Hsun Kao
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei City, Taiwan.,Department of Medical Education and Research, Wan Fang Hospital, Taipei Medical University, Taipei City, Taiwan
| | - Yen-Yu Lu
- School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.,Division of Cardiology, Department of Internal Medicine, Sijhih Cathay General Hospital, New Taipei City, Taiwan
| | - Yung-Kuo Lin
- Division of Cardiovascular Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei City, Taiwan.,Division of Cardiology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan
| | - Satoshi Higa
- Cardiac Electrophysiology and Pacing Laboratory, Division of Cardiovascular Medicine, Makiminato Central Hospital, Urasoe, Japan
| | - Shih-Ann Chen
- Division of Cardiology, Department of Medicine, Heart Rhythm Center, Taipei Veterans General Hospital, Taipei City, Taiwan.,Cardiovascular Center, Taichung Veterans General Hospital, Taichung City, 40705, Taiwan
| | - Yi-Jen Chen
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei City, Taiwan.,Division of Cardiovascular Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei City, Taiwan.,Division of Cardiology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan.,Cardiovascular Research Center, Wan Fang Hospital, Taipei Medical University, Taipei City, Taiwan
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Bozaci I, Tatar E. Prolongation of QTc interval at the beginning and during dialysis is associated with hypervolemia and calcium and magnesium change in the first 2 h. Int Urol Nephrol 2021; 54:1399-1408. [PMID: 34665413 DOI: 10.1007/s11255-021-03016-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 10/04/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND AIMS High rates of sudden cardiac death are mostly attributed to ventricular arrhythmias including QTc prolongation in hemodialysis patients. We aimed to investigate the correlation of electrolyte and volume changes with QTc interval prolongation in hemodialysis patients. STUDY DESIGN The present study is designed as a cross-sectional study. METHODS The study was conducted at the hemodialysis unit of a training and research hospital and its' satellite dialysis unit. Patients were divided into three groups. Group-1: with normal QTc interval both at the beginning and during dialysis session; group-2: with prolonged QTc interval at the beginning and remained prolonged during dialysis session; group-3: with normal QTc interval at the beginning but prolonged during the dialysis session. In addition, patients were evaluated in terms of QTc change between the beginning and 2nd hour (delta-QTc-1) and between 2nd hour and 4th hour (delta-QTc-2), respectively, and defined as 'patients with increased QTc interval' and 'patients without increased QTc interval'. RESULTS A total of 45 prevalent hemodialysis patients were enrolled in the study. 14 patients (31.1%) had normal QTc interval (group-1), 13 patients (28.9%) had prolonged QTc interval at the beginning and remained prolonged during dialysis session (group-2) and 18 patients (40%) had normal QTc interval at the beginning but prolonged during dialysis session (group-3). There was no statistically significant difference between groups in terms of baseline electrolyte levels. Calcium change in the first 2 h was lower in patients with QTc prolongation from the start or during the dialysis session (group-2 and group-3). In addition, systolic blood pressure (SBP) levels at the beginning of the session (118 ± 15 mmHg vs 124 ± 28 mmHg vs138 ± 24 mmHg; p = 0.04) and intradialytic ultrafiltration (UF) rate were higher (1.96 ± 0.6 L/4 h vs 2.6 ± 1.0 L/4 h vs 2.8 ± 0.9 L/4 h; p = 0.03) in group-2 and group-3 compared to patients in group-1. Increase in QTc interval was found higher in patients with less calcium increase (Rho: - 0.36; p = 0.01) and with greater magnesium decrease in the first 2 h (Rho: 0.31; p = 0.04). CONCLUSION QTc interval prolongation is common among hemodialysis patients. High intradialytic UF rates, change in serum magnesium and calcium levels in the first 2 h were found associated with QTc prolongation. However, QTc prolongation was found independently associated only with UF volume and calcium change in the first 2 h.
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Affiliation(s)
- I Bozaci
- Department of Nephrology, University of Health Sciences Bozyaka Training and Research Hospital, Saim Cikrikci Street, No:59Karabaglar, 35360, Izmir, Turkey.
| | - E Tatar
- Department of Nephrology, University of Health Sciences Bozyaka Training and Research Hospital, Saim Cikrikci Street, No:59Karabaglar, 35360, Izmir, Turkey
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16
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Muzurović E, Medenica S, Kalezić M, Pavlović S. Primary hyperparathyroidism associated with acquired long QT interval and ventricular tachycardia. Endocrinol Diabetes Metab Case Rep 2021; 2021:EDM210016. [PMID: 34341183 PMCID: PMC8346179 DOI: 10.1530/edm-21-0016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/13/2021] [Indexed: 12/19/2022] Open
Abstract
SUMMARY We present a 54-year-old patient admitted to the emergency department due to loss of consciousness. The initial ECG registered monomorphic ventricular extrasystoles and prolonged QT interval (QT corrected (QTc) >500 ms). Sustained ventricular tachycardia (VT) was registered on 24-h Holter ECG monitoring, which clinically was presented as a crisis of consciousness. Coronary angiography and other visualization methods were normal. Implantable cardioverter-defibrillator (ICD) implantation was planned for the purpose of secondary prevention of sudden cardiac death (SCD). Laboratory and hormonal analyzes revealed primary hyperparathyroidism (PHPT), chronic kidney disease, and hypokalemia. Neck ultrasound showed a 25 mm, sharply outlined homogenous tumor mass which was separated from thyroid gland (TG) and exerted a mild impression on lower parts of the left lobe. Dual wash technetium-99m sestamibi parathyroid scintigraphy with single-photon emission CT (SPECT)/CT also showed the uptake of tracer behind the lower half of the left lobe of the TG. Surgical treatment, lower left parathyroidectomy, was performed, and pathohistological analysis verified parathyroid adenoma. The patient was rhythmically and hemodynamically stable for 7 days after surgery, without additional complaints, and was discharged from the hospital. Timely diagnosis of PHPT, correct assessment and surgical treatment, did not lead our patient to unnecessary ICD implantation. Our case suggests an additional intertwining of electrolyte disorders and ventricular arrhythmias in PHPT and more importantly emphasizes the need for caution when indicating ICD, even in patients with the most serious life-threatening arrhythmias. LEARNING POINTS Electrolyte abnormalities in PHPT can have highly malignant consequences, and the occurrence of hypokalemia in the presence of hypercalcemia is underestimated in PHPT, and the consequences can be life-threatening. Although hypercalcemia causes shortened QT interval, concomitant severe hypokalemia may overcome hypercalcemia and prolong QT interval, even in the absence of structural heart disease or LQTS. Timely diagnosis of PHPT, correct assessment and surgical treatment, do not lead to unnecessary ICD implantation.
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Affiliation(s)
- Emir Muzurović
- Department of Internal Medicine, Endocrinology Section, Clinical Center of Montenegro, Podgorica, Montenegro
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro
| | - Sanja Medenica
- Department of Internal Medicine, Endocrinology Section, Clinical Center of Montenegro, Podgorica, Montenegro
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro
| | - Milovan Kalezić
- Department of Cardiology, Clinical Center of Montenegro, Podgorica, Montenegro
| | - Siniša Pavlović
- Pacemaker Center, Clinical Center of Serbia, Faculty of Medicine University of Belgrade, Belgrade, Serbia
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17
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Baracaldo-Santamaría D, Llinás-Caballero K, Corso-Ramirez JM, Restrepo CM, Dominguez-Dominguez CA, Fonseca-Mendoza DJ, Calderon-Ospina CA. Genetic and Molecular Aspects of Drug-Induced QT Interval Prolongation. Int J Mol Sci 2021; 22:8090. [PMID: 34360853 PMCID: PMC8347245 DOI: 10.3390/ijms22158090] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/04/2021] [Accepted: 07/06/2021] [Indexed: 12/22/2022] Open
Abstract
Long QT syndromes can be either acquired or congenital. Drugs are one of the many etiologies that may induce acquired long QT syndrome. In fact, many drugs frequently used in the clinical setting are a known risk factor for a prolonged QT interval, thus increasing the chances of developing torsade de pointes. The molecular mechanisms involved in the prolongation of the QT interval are common to most medications. However, there is considerable inter-individual variability in drug response, thus making the application of personalized medicine a relevant aspect in long QT syndrome, in order to evaluate the risk of every individual from a pharmacogenetic standpoint.
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Affiliation(s)
- Daniela Baracaldo-Santamaría
- School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (D.B.-S.); (J.M.C.-R.); (C.A.D.-D.)
| | - Kevin Llinás-Caballero
- GENIUROS Research Group, Center for Research in Genetics and Genomics (CIGGUR), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (K.L.-C.); (C.M.R.); (D.J.F.-M.)
- Institute for Immunological Research, University of Cartagena, Cartagena 130014, Colombia
| | - Julián Miguel Corso-Ramirez
- School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (D.B.-S.); (J.M.C.-R.); (C.A.D.-D.)
| | - Carlos Martín Restrepo
- GENIUROS Research Group, Center for Research in Genetics and Genomics (CIGGUR), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (K.L.-C.); (C.M.R.); (D.J.F.-M.)
| | | | - Dora Janeth Fonseca-Mendoza
- GENIUROS Research Group, Center for Research in Genetics and Genomics (CIGGUR), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (K.L.-C.); (C.M.R.); (D.J.F.-M.)
| | - Carlos Alberto Calderon-Ospina
- GENIUROS Research Group, Center for Research in Genetics and Genomics (CIGGUR), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (K.L.-C.); (C.M.R.); (D.J.F.-M.)
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18
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Graves JM, Vallejo JA, Hamill CS, Wang D, Ahuja R, Patel S, Faul C, Wacker MJ. Fibroblast growth factor 23 (FGF23) induces ventricular arrhythmias and prolongs QTc interval in mice in an FGF receptor 4-dependent manner. Am J Physiol Heart Circ Physiol 2021; 320:H2283-H2294. [PMID: 33929896 DOI: 10.1152/ajpheart.00798.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Fibroblast growth factor 23 (FGF23) is a phosphate regulating protein hormone released by osteocytes. FGF23 becomes markedly elevated in chronic kidney disease (CKD), for which the leading cause of death is cardiovascular disease, particularly sudden cardiac death. Previously, we found that FGF23 increases intracellular Ca2+ in cardiomyocytes and alters contractility in mouse ventricles ex vivo via FGF receptor 4 (FGFR4). In the present study, we demonstrate that FGF23 induces cardiac arrhythmias and prolongs QTc interval in mice, and we tested whether these effects are mediated through FGFR4. In isolated Langendorff perfused hearts, FGF23 perfusion increased mechanical arrhythmias in the form of premature ventricular beats (PVBs), and induced runs of ventricular tachycardia in 6 of 11 animals, which were attenuated with pretreatment of an anti-FGFR4 blocking antibody. Ex vivo ECG analysis of isolated intact hearts showed increased ventricular arrhythmias and QTc prolongation after FGF23 infusion compared with vehicle. In vivo, injection of FGF23 into the jugular vein led to the emergence of premature ventricular contractions (PVCs) in 5 out of 11 experiments. FGF23 also produced a significant lengthening effect upon QTc interval in vivo. In vivo FGFR4 blockade ameliorated the arrhythmogenic and QTc prolonging effects of FGF23. Finally, FGF23 increased cardiomyocyte Ca2+ levels in intact left ventricular muscle which was inhibited by FGR4 blockade. We conclude that FGF23/FGFR4 signaling in the heart may contribute to ventricular arrhythmogenesis and repolarization disturbances commonly observed in patients with CKD via Ca2+ overload and may be an important therapeutic target to reduce cardiac mortality in CKD.NEW & NOTEWORTHY Here we provide direct evidence that fibroblast growth factor 23 (FGF23), a phosphaturic hormone elevated in chronic kidney disease, is proarrhythmic. FGF23 acutely triggered ventricular arrhythmias and prolonged corrected QT interval (QTc) in isolated mouse hearts and in vivo. FGF23 also increased Ca2+ levels in ventricular muscle tissue. Blockade of the FGF receptor 4 signaling pathway using a monoclonal antibody ameliorated ventricular arrhythmias, QTc prolongation, and elevated ventricular Ca2+ induced by FGF23, and may represent a potential therapeutic target in chronic kidney disease.
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Affiliation(s)
- Jonah M Graves
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Julian A Vallejo
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Chelsea S Hamill
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Derek Wang
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Rohan Ahuja
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Shaan Patel
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Christian Faul
- Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Michael J Wacker
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
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Podestà MA, Valli F, Galassi A, Cassia MA, Ciceri P, Barbieri L, Carugo S, Cozzolino M. COVID-19 in Chronic Kidney Disease: The Impact of Old and Novel Cardiovascular Risk Factors. Blood Purif 2021; 50:740-749. [PMID: 33752209 PMCID: PMC8089440 DOI: 10.1159/000514467] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/14/2021] [Indexed: 01/03/2023]
Abstract
Cardiovascular disease is a frequent complication and the most common cause of death in patients with CKD. Despite landmark medical advancements, mortality due to cardiovascular disease is still 20 times higher in CKD patients than in the general population, which is mainly due to the high prevalence of risk factors in this group. Indeed, in addition to traditional cardiovascular risk factors, CKD patients are exposed to nontraditional ones, which include metabolic, hormonal, and inflammatory alterations. The global severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has brought novel challenges for both cardiologists and nephrologists alike. Emerging evidence indicates that coronavirus disease 2019 (COVID-19) increases the risk of cardiovascular events and that several aspects of the disease may synergize with pre-existing cardiovascular risk factors in CKD patients. A better understanding of these mechanisms is pivotal for the prevention and treatment of cardiovascular events in this context, and we believe that additional clinical and experimental studies are needed to improve cardiovascular outcomes in CKD patients with COVID-19. In this review, we provide a summary of traditional and nontraditional cardiovascular risk factors in CKD patients, discussing their interaction with SARS-CoV-2 infection and focusing on CO-VID-19-related cardiovascular complications that may severely affect short- and long-term outcomes in this high-risk population.
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Affiliation(s)
- Manuel Alfredo Podestà
- Renal Division, Department of Health Sciences, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy
| | - Federica Valli
- Cardiology Unit, Department of Health Sciences, ASST Santi Paolo e Carlo, Milan, University of Milan, Milan, Italy
| | - Andrea Galassi
- Renal Division, Department of Health Sciences, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy
| | - Matthias A Cassia
- Renal Division, Department of Health Sciences, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy
| | - Paola Ciceri
- Department of Nephrology, Dialysis and Renal Transplant, Renal Research Laboratory, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Lucia Barbieri
- Cardiology Unit, Department of Health Sciences, ASST Santi Paolo e Carlo, Milan, University of Milan, Milan, Italy
| | - Stefano Carugo
- Cardiology Unit, Department of Health Sciences, ASST Santi Paolo e Carlo, Milan, University of Milan, Milan, Italy
| | - Mario Cozzolino
- Renal Division, Department of Health Sciences, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy,
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Kuwahata S, Takenaka T, Motoya T, Masuda K, Yonezawa H, Shinchi S, Kawashima Y, Mohri S, Ohishi M. Effect of QT Prolongation in Patients Taking Cholinesterase Inhibitors (Donepezil) for Alzheimer's Disease. Circ Rep 2021; 3:115-121. [PMID: 33738343 PMCID: PMC7956884 DOI: 10.1253/circrep.cr-20-0115] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background:
Cholinesterase inhibitors such as donepezil are used in the treatment of Alzheimer’s disease. Patients taking cholinesterase inhibitors can develop cholinergically mediated QT prolongation, which may lead to life-threatening arrhythmias. In this study we investigated the corrected QT interval (QTc) of patients taking donepezil. Methods and Results:
This study enrolled 114 outpatients attending Tarumizu Chuo Hospital. Subjects were divided into a donepezil group (n=57) or an age- and sex-matched control group (n=57). Physical findings, laboratory data, and electrocardiographic parameters were compared between the groups. QTc was significantly prolonged (mean [±SD] 0.443±0.032 s vs. 0.426±0.026s; P<0.001) and the percentage of patients with prolonged QTc was significantly higher (30% vs. 9%; P<0.01) in the donepezil than control group. Furthermore, in the donepezil group, QTc was significantly prolonged after patients started taking donepezil compared with baseline (from 0.433±0.034 to 0.442±0.033s; n=46; P<0.05). On univariate analysis, QTc was significantly associated with taking donepezil, as well as with hemoglobin, serum calcium concentration, and estimated glomerular filtration rate (eGFR; all P<0.01). On multivariate analysis, QTc was significantly associated with taking donepezil (P<0.001), serum potassium concentration (P<0.05), and eGFR (P<0.05). Conclusions:
The incidence of QTc prolongation was more frequent in patients taking donepezil than in the control group, and was difficult to predict. Periodic electrocardiogram examinations are recommended considering the possibility of adverse events, such as fatal arrhythmias.
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Affiliation(s)
- So Kuwahata
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Toshihiro Takenaka
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Toshiro Motoya
- Pharmaceutical Department, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Keisuke Masuda
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Hideyuki Yonezawa
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Shuya Shinchi
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Yoshihiro Kawashima
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Shogo Mohri
- Department of Internal and Cardiovascular Medicine, Tarumizu Chuo Hospital, Tarumizu Municipal Medical Center Tarumizu Japan
| | - Mitsuru Ohishi
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University Kagoshima Japan
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Assessment of inappropriate prescribing of QT interval-prolonging drugs in end-stage renal disease patients in Jordan. DRUGS & THERAPY PERSPECTIVES 2021. [DOI: 10.1007/s40267-020-00806-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Chen C, Zhou J, Yu H, Zhang Q, Gao L, Yin X, Dong Y, Lin Y, Li D, Yang Y, Wang Y, Tse G, Xia Y. Identification of important risk factors for all-cause mortality of acquired long QT syndrome patients using random survival forests and non-negative matrix factorization. Heart Rhythm 2020; 18:426-433. [PMID: 33127541 DOI: 10.1016/j.hrthm.2020.10.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/02/2020] [Accepted: 10/25/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Acquired long QT syndrome (aLQTS) is often associated with poor clinical outcomes. OBJECTIVE The purpose of this study was to examine the important predictors of all-cause mortality of aLQTS patients by applying both random survival forest (RSF) and non-negative matrix factorization (NMF) analyses. METHODS Clinical characteristics and manually measured electrocardiographic (ECG) parameters were initially entered into the RSF model. Subsequently, latent variables identified using NMF were entered into the RSF as additional variables. The primary outcome was all-cause mortality. RESULTS A total of 327 aLQTS patients were included. The RSF model identified 16 predictive factors with positive variable importance values: cancer, potassium, RR interval, calcium, age, JT interval, diabetes mellitus, QRS duration, QTp interval, chronic kidney disease, QTc interval, hypertension, QT interval, female, JTc interval, and cerebral hemorrhage. Increasing the number of latent features between ECG indices, which incorporated from n = 0 to n = 4 by NMF, maximally improved the prediction ability of the RSF-NMF model (C-statistic 0.77 vs 0.89). CONCLUSION Cancer and serum potassium and calcium levels can predict all-cause mortality of aLQTS patients, as can ECG indicators including JTc and QRS. The present RSF-NMF model significantly improved mortality prediction.
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Affiliation(s)
- Cheng Chen
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jiandong Zhou
- School of Data Science, City University of Hong Kong, Kowloon, China
| | - Haixu Yu
- Department of Cardiology, Peking University Third Hospital, Beijing, China
| | - Qingpeng Zhang
- School of Data Science, City University of Hong Kong, Kowloon, China
| | - Lianjun Gao
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiaomeng Yin
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yingxue Dong
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yajuan Lin
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Daobo Li
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yiheng Yang
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yunsong Wang
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Gary Tse
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
| | - Yunlong Xia
- Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
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23
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Farré N, Mojón D, Llagostera M, Belarte-Tornero LC, Calvo-Fernández A, Vallés E, Negrete A, García-Guimaraes M, Bartolomé Y, Fernández C, García-Duran AB, Marrugat J, Vaquerizo B. Prolonged QT Interval in SARS-CoV-2 Infection: Prevalence and Prognosis. J Clin Med 2020; 9:E2712. [PMID: 32839385 PMCID: PMC7563186 DOI: 10.3390/jcm9092712] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/13/2020] [Accepted: 08/20/2020] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND The prognostic value of a prolonged QT interval in SARS-Cov2 infection is not well known. OBJECTIVE To determine whether the presence of a prolonged QT on admission is an independent factor for mortality in SARS-Cov2 hospitalized patients. METHODS Single-center cohort of 623 consecutive patients with positive polymerase-chain-reaction test (PCR) to SARS Cov2, recruited from 27 February to 7 April 2020. An electrocardiogram was taken on these patients within the first 48 h after diagnosis and before the administration of any medication with a known effect on QT interval. A prolonged QT interval was defined as a corrected QT (QTc) interval >480 milliseconds. Patients were followed up with until 10 May 2020. RESULTS Sixty-one patients (9.8%) had prolonged QTc and only 3.2% had a baseline QTc > 500 milliseconds. Patients with prolonged QTc were older, had more comorbidities, and higher levels of immune-inflammatory markers. There were no episodes of ventricular tachycardia or ventricular fibrillation during hospitalization. All-cause death was higher in patients with prolonged QTc (41.0% vs. 8.7%, p < 0.001, multivariable HR 2.68 (1.58-4.55), p < 0.001). CONCLUSIONS Almost 10% of patients with COVID-19 infection have a prolonged QTc interval on admission. A prolonged QTc was independently associated with a higher mortality even after adjustment for age, comorbidities, and treatment with hydroxychloroquine and azithromycin. An electrocardiogram should be included on admission to identify high-risk SARS-CoV-2 patients.
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Affiliation(s)
- Núria Farré
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
- Department of Medicine, School of Medicine, Univ Autonoma de Barcelona, 08003 Barcelona, Spain
- Heart Diseases Biomedical Research Group (GREC), IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain
| | - Diana Mojón
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Marc Llagostera
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Laia C. Belarte-Tornero
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
- Department of Medicine, School of Medicine, Univ Autonoma de Barcelona, 08003 Barcelona, Spain
- Heart Diseases Biomedical Research Group (GREC), IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain
| | - Alicia Calvo-Fernández
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
- Department of Medicine, School of Medicine, Univ Autonoma de Barcelona, 08003 Barcelona, Spain
| | - Ermengol Vallés
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
- Department of Medicine, School of Medicine, Univ Autonoma de Barcelona, 08003 Barcelona, Spain
- Heart Diseases Biomedical Research Group (GREC), IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain
| | - Alejandro Negrete
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Marcos García-Guimaraes
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Yolanda Bartolomé
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Camino Fernández
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Ana B. García-Duran
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
| | - Jaume Marrugat
- REGICOR (Registre Gironí del Cor) Study Group, IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain;
- CIBER (Centro de Investigación Biomédica en Red) of Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III (ISCIII), 08003 Barcelona, Spain
| | - Beatriz Vaquerizo
- Department of Cardiology, Hospital del Mar, 08003 Barcelona, Spain; (D.M.); (M.L.); (L.C.B.-T.); (A.C.-F.); (E.V.); (A.N.); (M.G.-G.); (Y.B.); (C.F.); (A.B.G.-D.); (B.V.)
- Department of Medicine, School of Medicine, Univ Autonoma de Barcelona, 08003 Barcelona, Spain
- Heart Diseases Biomedical Research Group (GREC), IMIM (Hospital del Mar Medical Research Institute), 08003 Barcelona, Spain
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Zsom L, Zsom M, Abdul Salim S, Fülöp T. Subjective global assessment of nutrition, dialysis quality, and the theory of the scientific method in Nephrology practice. Artif Organs 2020; 44:1021-1030. [PMID: 33617092 DOI: 10.1111/aor.13762] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/17/2020] [Accepted: 06/17/2020] [Indexed: 12/15/2022]
Abstract
In an era of evidence-based medicine and dialysis performance measures, there is strong motivation to find specific, objective, quantifiable, and reproducible parameters to characterize the clinical condition of chronic kidney disease patients and to present population-wide statistics that may describe quality of care in dialysis centers. Yet, in the last three decades, several studies demonstrated that while parameters including Kt/V urea, serum phosphorus, parathyroid hormone, serum cholesterol fulfill all these criteria, efforts to optimize these lab parameters failed to improve survival on dialysis. However, subjective assessments of nutrition including subjective global assessment and malnutrition-inflammation score, while not ideally suited for statistical analysis and not optimal from the point of view of scientific methodology due to their general, semi-quantifiable, subjective nature have, nevertheless, proved themselves as some of the strongest predictors of clinical outcomes in the dialysis population. Where does this paradox leave us? We propose that a deeper understanding of relevance of these variables in the dialysis population may improve appreciation of the clinical situation of individual patients and may result in a paradigm shift from dialysis adequacy to quality dialysis.
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Affiliation(s)
- Lajos Zsom
- Cegléd Dialysis Unit, Fresenius Medical Care, Cegléd, Hungary
| | - Marianna Zsom
- Department of Medicine, Szent Rókus Hospital, Baja, Hungary
| | - Sohail Abdul Salim
- Department of Medicine, Nephrology Division, University of Mississippi Medical Center, Jackson, MS, USA
| | - Tibor Fülöp
- Department of Medicine, Division of Nephrology, Medical University of South Carolina, Charleston, SC, USA.,Department of Medicine, Ralph H. Johnson VA Medical Center, Charleston, SC, USA
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Prognostic Potential of Electrocardiographic Parameters in Patients with Multiple Myeloma: A Retrospective Analysis of the Multiple Myeloma Population. Adv Ther 2020; 37:2946-2955. [PMID: 32337646 DOI: 10.1007/s12325-020-01343-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Patients with multiple myeloma (MM) can develop cardiac abnormalities, predisposing them to the development of heart failure, arrhythmias, or infarction with poor prognosis. The purpose of this study is to evaluate the prognostic potential of electrocardiographic (ECG) parameters in patients with MM. METHODS This study retrospectively included patients with MM from January 2010 to December 2018 in the First Affiliated Hospital of Xi'an Jiao Tong University. Univariate and multivariate Cox proportional hazard models were conducted to evaluate the relationship between ECG parameters and all-cause mortality in patients with MM. RESULTS A total of 409 patients were included (mean age 61.3 ± 9.7 years, 59.2% male). The relationship between ECG parameters (including PR interval, voltage, QRS axis, QRS duration, and QTc interval) and all-cause mortality in patients with MM was evaluated. Overall, patients with QTc interval ≥ 400 ms have a significantly higher all-cause mortality compared to those with QTc interval < 400 ms (P < 0.001). When stratified by the International Staging System (ISS), this relationship was true for stages II and III (P < 0.01), but not stage I (P > 0.05). Patients with MM and QRS duration ≥ 120 ms had a higher all-cause mortality compared to those with QRS duration < 120 ms for women (P < 0.01) but not for men (P > 0.05). PR interval, voltage, and QRS axis did not predict mortality. CONCLUSION QTc interval was independently associated with all-cause mortality in patients with MM, especially when QTc interval was more than 400 ms in more advanced stages II and III. ECG parameters may provide prognostic potential in patients with MM and aid risk stratification of these patients.
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