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Zhang Y, Zhang L, Ge P, Xu R, Ye Z. Evaluating the effect of Roxadustat on ventricular repolarization in patients undergoing peritoneal dialysis. Eur J Med Res 2023; 28:417. [PMID: 37821963 PMCID: PMC10566199 DOI: 10.1186/s40001-023-01368-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/12/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Roxadustat is a novel oral medication used to treat anemia in CKD patients. Several studies have shown that Roxadustat can alleviate anemia in CKD patients by increasing hemoglobin levels and regulating iron metabolism. We aimed to evaluate the effect of Roxadustat on ventricular repolarization in PD patients. This study may provide a new integrated approach to the assessment and treatment of CKD. METHODS The present prospective cohort study enrolled 65 CKD patients who were treated with Roxadustat and 31 CKD patients who received conventional therapy between January 2021 and June 2022. All patients were examined for ECG in the absence of clinical symptoms and compared the ECG indicators. Demographic and clinical data of all patients were collected. All data used SPSS 18.0 for statistical analyses. RESULTS The T peak-to-end (Tpe) of PD patients in the Roxadustat group was remarkably slower than that of patients in the conventional group. Additionally, the Tpe/QT ratio in the conventional group was significantly elevated than that in the Roxadustat group. The results of logistic regression analysis showed that Tpe (95%CI 1.191 ~ 2.141, P = 0.002) and Roxadustat treatment (95%CI 1.357 ~ 42.121, P = 0.021) were the risk factors of PD patients with high Tp-e/QT ratio. CONCLUSION In summary, we found that Roxadustat could improve ventricular repolarization in peritoneal dialysis patients, which indicated a potential cardiovascular protective effect of Roxadustat. This study might provide a new integrated approach to the assessment and treatment of CKD.
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Affiliation(s)
- Yangyang Zhang
- Department of Cardiology, Suqian First Hospital, Suqian, Jiangsu, China
| | - Liang Zhang
- Department of Nephrology, Suqian First Hospital, Suqian, Jiangsu, China
| | - Pengcheng Ge
- Department of Cardiology, Suqian First Hospital, Suqian, Jiangsu, China
| | - Ruyi Xu
- Department of Nephrology, Suqian First Hospital, Suqian, Jiangsu, China
| | - Zhen Ye
- Department of Pharmacy, Suqian First Hospital, 120 Suzhi Road, Sucheng District, Suqian, 223800, Jiangsu, China.
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A Longer T peak-T end Interval Is Associated with a Higher Risk of Death: A Meta-Analysis. J Clin Med 2023; 12:jcm12030992. [PMID: 36769640 PMCID: PMC9917475 DOI: 10.3390/jcm12030992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/15/2023] [Accepted: 01/19/2023] [Indexed: 01/31/2023] Open
Abstract
A noninvasive tool for cardiovascular risk stratification has not yet been established in the clinical routine analysis. Previous studies suggest a prolonged Tpeak-Tend interval (the interval from the peak to the end of the T-wave) to be predictive of death. This meta-analysis was designed to systematically evaluate the association of the Tpeak-Tend interval with mortality outcomes. Medline (via PubMed), Embase and the Cochrane Library were searched from 1 January 2008 to 21 July 2020 for articles reporting the ascertainment of the Tpeak-Tend interval and observation of all-cause-mortality. The search yielded 1920 citations, of which 133 full-texts were retrieved and 29 observational studies involving 23,114 patients met the final criteria. All-cause deaths had longer Tpeak-Tend intervals compared to survivors by a standardized mean difference of 0.41 (95% CI 0.23-0.58) and patients with a long Tpeak-Tend interval had a higher risk of all-cause death compared to patients with a short Tpeak-Tend interval by an overall odds ratio of 2.33 (95% CI 1.57-3.45). Heart rate correction, electrocardiographic (ECG) measurement methods and the selection of ECG leads were major sources of heterogeneity. Subgroup analyses revealed that heart rate correction did not affect the association of the Tpeak-Tend interval with mortality outcomes, whereas this finding was not evident in all measurement methods. The Tpeak-Tend interval was found to be significantly associated with all-cause mortality. Further studies are warranted to confirm the prognostic value of the Tpeak-Tend interval.
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Zheng Z, Soomro QH, Charytan DM. Deep Learning Using Electrocardiograms in Patients on Maintenance Dialysis. ADVANCES IN KIDNEY DISEASE AND HEALTH 2023; 30:61-68. [PMID: 36723284 DOI: 10.1053/j.akdh.2022.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Cardiovascular morbidity and mortality occur with an extraordinarily high incidence in the hemodialysis-dependent end-stage kidney disease population. There is a clear need to improve identification of those individuals at the highest risk of cardiovascular complications in order to better target them for preventative therapies. Twelve-lead electrocardiograms are ubiquitous and use inexpensive technology that can be administered with minimal inconvenience to patients and at a minimal burden to care providers. The embedded waveforms encode significant information on the cardiovascular structure and function that might be unlocked and used to identify at-risk individuals with the use of artificial intelligence techniques like deep learning. In this review, we discuss the experience with deep learning-based analysis of electrocardiograms to identify cardiovascular abnormalities or risk and the potential to extend this to the setting of dialysis-dependent end-stage kidney disease.
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Affiliation(s)
- Zhong Zheng
- Nephology Division, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - Qandeel H Soomro
- Nephology Division, Department of Medicine, New York University Grossman School of Medicine, New York, NY
| | - David M Charytan
- Nephology Division, Department of Medicine, New York University Grossman School of Medicine, New York, NY.
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Tran CT, Atanasovska T, Graff C, Melgaard J, Kanters JK, Smith R, Petersen AC, Kjeldsen KP, McKenna MJ. Plasma potassium concentration and cardiac repolarisation markers, Tpeak–Tend and Tpeak–Tend/QT, during and after exercise in healthy participants and in end-stage renal disease. Eur J Appl Physiol 2022; 122:691-702. [DOI: 10.1007/s00421-021-04870-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 12/07/2021] [Indexed: 11/29/2022]
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Lee HJ, Choe AR, Lee H, Ryu DR, Kang EW, Park JT, Lee SH, Park J. Clinical Associations between Serial Electrocardiography Measurements and Sudden Cardiac Death in Patients with End-Stage Renal Disease Undergoing Hemodialysis. J Clin Med 2021; 10:jcm10091933. [PMID: 33947166 PMCID: PMC8124551 DOI: 10.3390/jcm10091933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/13/2021] [Accepted: 04/25/2021] [Indexed: 11/16/2022] Open
Abstract
The rate of sudden cardiac death (SCD) for hemodialysis (HD) patients is significantly higher than that observed in the general population and have the highest risk for arrhythmogenic death. In this multi-center study, patients starting hemodialysis in each hospital were enrolled; they underwent regular check-ups in an open-patient clinic. We examined serial electrocardiography (ECG) data in patients undergoing HD and determined their associations with the occurrence of SCD. Of 678 enrolled subjects who underwent serial ECG before and after hemodialysis, 291 died and 39 developed SCD. In all subjects, the QT peak-to-end (QTpe) interval at all leads and QRS duration were shortened after hemodialysis. The SCD group showed a significant change in the QTpe interval of the inferior, anterior, and lateral leads before and after hemodialysis compared with the survivor group (p < 0.001). In the pre-hemodialysis ECG, SCD patients had significantly longer QTpe intervals in all leads (p < 0.001) and a longer QRS duration (92.6 ± 14.0 vs. 100.6 ± 14.9 ms, p = 0.015) than survivors. In conclusion, patients with a longer QTpe interval before hemodialysis and large changes in ECG parameters after hemodialysis might be at a higher risk of SCD. Therefore, changes in the ECG before and after hemodialysis could help to predict SCD.
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Affiliation(s)
- Hyun Jin Lee
- Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea;
| | - A Reum Choe
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul 07985, Korea; (A.R.C.); (D.R.R.)
| | - HaeJu Lee
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul 03080, Korea;
| | - Dong Ryeol Ryu
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul 07985, Korea; (A.R.C.); (D.R.R.)
| | - Ea Wha Kang
- Division of Nephrology, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang 10444, Korea;
| | - Jung Tak Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul 03722, Korea;
| | - Su Hwan Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
- Correspondence: (S.H.L.); (J.P.)
| | - Junbeom Park
- Division of Cardiology, Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul 07985, Korea
- Correspondence: (S.H.L.); (J.P.)
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Akcay M, Yıldırım U. Effect of dialysis and transplantation on myocardial repolarization parameters and P-wave dispersion in chronic kidney disease. J Arrhythm 2021; 37:348-355. [PMID: 33850576 PMCID: PMC8022004 DOI: 10.1002/joa3.12511] [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: 09/26/2020] [Revised: 12/11/2020] [Accepted: 01/10/2021] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) patients are at higher risk for cardiac arrhythmias. The risk of arrhythmia may change with different treatment modalities. We proposed to compare the effects of varied therapy methods on myocardial repolarization parameters (Tp-e, QT, QTc intervals, Tp-e/QT, Tp-e/QTc ratios) and P-wave dispersion (PWD) in patients with CKD. METHODS Three groups were formed from the patients aged between 18 and 65 years, as Group 1 consisting of CKD patients receiving hemodialysis (HD) three times a week, Group 2 consisting of predialysis CKD patients and Group 3 consisting of CKD patients who underwent successful transplantation. All patients' basic demographic data, risk factors, and echocardiographic parameters were recorded, and electrocardiographic repolarization parameters and PWD were analyzed. RESULTS The PR, QT, and QTc intervals were significantly shorter in the transplantation group compared to the other groups (P = .020, P < .001, P = .035; respectively). Tp-e interval, Tp-e/QT, and Tp-e/QTc ratios were significantly higher in the predialysis group compared to the other groups (P < .001, P < .001, P = .001; respectively), while there was no significant variation between the HD and transplantation groups (P > .05). PWD was significantly increased in the predialysis group compared to other two groups (P < .001), while no significant variation between the HD and transplantation groups was observed. CONCLUSION We found that the Tp-e interval, Tp-e/QT, Tp-e/QTc, and PWD were significantly higher in the predialysis CKD group, but the PR, QT, and QTc intervals were significantly shorter in the transplantation group compared to the other groups. The prognostic significance and prediction of these parameters in arrhythmic events in CKD patients requires further evaluation with long-time follow-up.
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Affiliation(s)
- Murat Akcay
- Department of CardiologyFaculty of MedicineOndokuz Mayis UniversitySamsunTurkey
| | - Ufuk Yıldırım
- Department of CardiologyFaculty of MedicineOndokuz Mayis UniversitySamsunTurkey
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Fang J, Su H, Song A, Tong Y, Huang Z, Ding F, Liu Y. Evaluation of inflammatory and cardiac-electrophysiological markers in patients undergoing peritoneal dialysis. Biomark Med 2020; 14:1641-1649. [PMID: 33336590 DOI: 10.2217/bmm-2020-0230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: The Tp-e/QT (peak to end of T-wave duration/QT interval) ratio is a promising marker of myocardial repolarization and ventricular arrhythmogenesis. Its elevation is associated with sudden cardiac death in different clinical conditions. This study was designed to assess the possible association between increased Tp-e/QT ratio and clinical factors in peritoneal dialysis patients. Materials & methods: We devised a prospective cross-sectional study, which included 107 patients who were divided into groups according to their Tp-e/QT ratio. The association of an increased Tp-e/QT ratio with related factors was analyzed with multivariate logistic regression. Results: Thirty-one patients, who had an elevated Tp-e/QT ratio, showed higher values of IL-6, left ventricular end-systolic diameter, Tp-e, percentage of diabetes mellitus, coronary artery calcification, and left ventricular ejection fraction. Multivariate analysis revealed that IL-6 was an independent risk factor for a higher Tp-e/QT ratio after adjustments. Conclusion: Our study revealed that a high serum IL-6 level in peritoneal dialysis patients increased the risk of a higher Tp-e/QT ratio, which indicated a potentially hazardous interplay between inflammation and arrhythmogenesis.
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Affiliation(s)
- Junyan Fang
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Haixia Su
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Ahui Song
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Yan Tong
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Zehui Huang
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Feng Ding
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Yingli Liu
- Division of Nephrology & Unit of Critical Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
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Ajam F, Akoluk A, Alrefaee A, Campbell N, Masud A, Mehandru S, Patel M, Asif A, Carson MP. Prevalence of abnormalities in electrocardiogram conduction in dialysis patients: a comparative study. J Bras Nefrol 2020. [PMID: 32716472 PMCID: PMC7860647 DOI: 10.1590/2175-8239-jbn-2020-0018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Background: The electrocardiogram (ECG) can aid in identification of chronic kidney disease (CKD) patients at high risk for cardiovascular diseases. Cohort studies describe ECG abnormalities in patients on hemodialysis (HD), but we did not find data comparing ECG abnormalities among patients with normal kidney function or peritoneal dialysis (PD) to those on hemodialysis. We hypothesized that ECG conduction abnormalities would be more common, and cardiac conduction interval times longer, among patients on hemodialysis vs. those on peritoneal dialysis and CKD 1 or 2. Methods: Retrospective review of adult inpatients’ charts, comparing those with billing codes for “Hemodialysis” vs. inpatients without those charges, and an outpatient peritoneal dialysis cohort. Patients with CKD 3 or 4 were excluded. Results: One hundred and sixty-seven charts were reviewed. ECG conduction intervals were consistently and statistically longer among hemodialysis patients (n=88) vs. peritoneal dialysis (n=22) and CKD stage 1 and 2 (n=57): PR (175±35 vs 160±44 vs 157±22 msec) (p=0.009), QRS (115±32 vs. 111±31 vs 91±18 msec) (p=0.001), QT (411±71 vs. 403±46 vs 374±55 msec) (p=0.006), QTc (487±49 vs. 464±38 vs 452±52 msec) (p=0.0001). The only significantly different conduction abnormality was prevalence of left bundle branch block: 13.6% among HD patients, 5% in PD, and 2% in CKD 1 and 2 (p=0.03). Conclusion: To our knowledge, this is the first study to report that ECG conduction intervals are significantly longer as one progresses from CKD Stage 1 and 2, to PD, to HD. These and other data support the need for future research to utilize ECG conduction times to identify dialysis patients who could potentially benefit from proactive cardiac evaluations and risk reduction.
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Affiliation(s)
- Firas Ajam
- Jersey Shore University Medical Center, EUA
| | | | | | | | | | | | | | - Arif Asif
- Jersey Shore University Medical Center, EUA
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Ajam F, Akoluk A, Alrefaee A, Campbell N, Masud A, Mehandru S, Patel M, Asif A, Carson MP. Prevalence of abnormalities in electrocardiogram conduction in dialysis patients: a comparative study. ACTA ACUST UNITED AC 2020; 42:448-453. [PMID: 32716472 DOI: 10.1590/10.1590/2175-8239-jbn-2020-0018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/15/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND The electrocardiogram (ECG) can aid in identification of chronic kidney disease (CKD) patients at high risk for cardiovascular diseases. Cohort studies describe ECG abnormalities in patients on hemodialysis (HD), but we did not find data comparing ECG abnormalities among patients with normal kidney function or peritoneal dialysis (PD) to those on hemodialysis. We hypothesized that ECG conduction abnormalities would be more common, and cardiac conduction interval times longer, among patients on hemodialysis vs. those on peritoneal dialysis and CKD 1 or 2. METHODS Retrospective review of adult inpatients' charts, comparing those with billing codes for "Hemodialysis" vs. inpatients without those charges, and an outpatient peritoneal dialysis cohort. Patients with CKD 3 or 4 were excluded. RESULTS One hundred and sixty-seven charts were reviewed. ECG conduction intervals were consistently and statistically longer among hemodialysis patients (n=88) vs. peritoneal dialysis (n=22) and CKD stage 1 and 2 (n=57): PR (175±35 vs 160±44 vs 157±22 msec) (p=0.009), QRS (115±32 vs. 111±31 vs 91±18 msec) (p=0.001), QT (411±71 vs. 403±46 vs 374±55 msec) (p=0.006), QTc (487±49 vs. 464±38 vs 452±52 msec) (p=0.0001). The only significantly different conduction abnormality was prevalence of left bundle branch block: 13.6% among HD patients, 5% in PD, and 2% in CKD 1 and 2 (p=0.03). CONCLUSION To our knowledge, this is the first study to report that ECG conduction intervals are significantly longer as one progresses from CKD Stage 1 and 2, to PD, to HD. These and other data support the need for future research to utilize ECG conduction times to identify dialysis patients who could potentially benefit from proactive cardiac evaluations and risk reduction.
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Affiliation(s)
- Firas Ajam
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Arda Akoluk
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Anas Alrefaee
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Natasha Campbell
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Avais Masud
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Sushil Mehandru
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Mayukumar Patel
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Arif Asif
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
| | - Michael P Carson
- Jersey Shore University Medical Center - Hackensack Meridian Health, Department of Medicine, Neptune, NJ, EUA
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