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Zhou H, Dong L, Liu X, Li F, Tang Y, Qin W. The heart rate non-dipping pattern was associated with target organ damage in patients with chronic kidney disease. Int Urol Nephrol 2024:10.1007/s11255-024-04095-5. [PMID: 38829465 DOI: 10.1007/s11255-024-04095-5] [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: 04/07/2024] [Accepted: 05/24/2024] [Indexed: 06/05/2024]
Abstract
PURPOSE We performed the study to investigate the association between heart rate (HR) non-dipping pattern and target organ damage in patients with chronic kidney disease (CKD) and hypertension. METHODS In this cross-sectional study, 447 patients with CKD and hypertension were enrolled. 24 h ambulatory blood pressure monitoring was conducted. Linear regression and logistic regression analysis were conducted to investigate the association between HR non-dipping pattern and target organ damage, including estimated glomerular filtration rate (eGFR), left ventricular mass index (LVMI), and left ventricular hypertrophy (LVH). RESULTS Overall, 261 patients (58.4%) followed non-dipping patterns of HR. HR non-dipping pattern remained to be significantly associated with reduced eGFR (β: -0.384; 95% CI: -0.719 to -0.050; p = 0.025) and the higher prevalence of CKD stages 4-5 (OR: 2.141; 95% CI: 1.153 to 3.977; p = 0.016). Meanwhile, HR non-dipping pattern was independently associated with LVMI (β: 0.021; 95% CI: 0.000 to 0.041; p = 0.049) and LVH (OR: 1.78; 95% CI: 1.07 to 2.96; p = 0.027) after adjusting for confounding factors. CONCLUSIONS HR non-dipping pattern was independently associated with impaired renal function and cardiac damage. Non-dipping HR deserves further attention and needs to be detected and treated during the management of CKD patients.
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Affiliation(s)
- Huan Zhou
- Division of Nephrology, Department of Medicine, West China Hospital, Sichuan University, Guoxue Alley 37, Chengdu, 610041, Sichuan, China
| | - Lingqiu Dong
- Division of Nephrology, Department of Medicine, West China Hospital, Sichuan University, Guoxue Alley 37, Chengdu, 610041, Sichuan, China
| | - Xiang Liu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Fangming Li
- Division of Nephrology, Department of Medicine, West China Hospital, Sichuan University, Guoxue Alley 37, Chengdu, 610041, Sichuan, China
- Department of Nephrology, Chengdu Seventh People's Hospital, Chengdu, Sichuan, China
| | - Yi Tang
- Division of Nephrology, Department of Medicine, West China Hospital, Sichuan University, Guoxue Alley 37, Chengdu, 610041, Sichuan, China
| | - Wei Qin
- Division of Nephrology, Department of Medicine, West China Hospital, Sichuan University, Guoxue Alley 37, Chengdu, 610041, Sichuan, China.
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Duman D, Sürmeli Döven S, Karpuz D, Danacı Vatansever E, Taşdelen B, Delibaş A. Autonomic activity and cardiovascular system risk assessment in pediatric patients with hemolytic uremic syndrome. Eur J Pediatr 2024; 183:1447-1454. [PMID: 38240764 PMCID: PMC10951013 DOI: 10.1007/s00431-024-05420-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/23/2023] [Accepted: 01/02/2024] [Indexed: 03/20/2024]
Abstract
In pediatric patients with hemolytic uremic syndrome (HUS), cardiac involvement and autonomic nervous system function can be evaluated by a non-invasive method called heart rate variability (HRV). This study aims to evaluate heart rate variability and electrocardiography findings in patients with HUS by comparing a healthy group. Patients who are diagnosed with HUS at a university hospital from December 2020 to June 2022 are screened by electrocardiography (ECG), echocardiography, and 24-h Holter ECG. A healthy control group, compatible in age and gender with the patient group, was selected from healthy subjects. HRV parameters, laboratory values, and ECG findings were analyzed and compared with the healthy group and each other. There were 25 patients with HUS and 51 participants in the healthy control group. Statistically significant differences were found in some HRV parameters: standard deviation of normal to normal intervals, the mean of the 5-min RR interval standard deviations, the standard deviation of 5-min RR interval means, the triangular interpolation of normal to normal interval, and very-low-frequency power. HUS patients had impaired and declined HRV values compared to the healthy group. There was a significant decrease in the PR distance, while a significant increase in the corrected QT and QT dispersion values was detected in the electrocardiographic findings of the patient group. HRV values impaired as renal failure parameters increased. Conclusion: Patients with HUS may have autonomic nervous system dysfunction. HRV measurement is a non-invasive method that can evaluate this. It can be thought that there may be an increased risk of cardiovascular events and arrhythmias in some patients with HUS. ECG should be also considered to detect arrhythmia. What is Known: • Hemolytic uremic syndrome (HUS) primarily effects the hematologic parameters and kidney. • Secondary cardiomyopathy with hypertension and renal failure could be observed in these patients. • Rhythm problems are not expected primarily in these patients. • There is very limited data in evaluating autonomic function and arrhythmia risk for these patients. What is New: • Patients with HUS may have autonomic nervous system dysfunction. • HRV measurement is a non-invasive method that can evaluate this. • Cardiovascular events and arrhythmias due to the deterioration of the balance between the sympathetic and parasympathetic systems could manifest in patients with HUS. • An ECG and screening patients for cardiac events, and monitoring them closely should be considered.
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Affiliation(s)
- Derya Duman
- Faculty of Medicine, Department of Pediatric Cardiology, Mersin University, 34. Cadde, Ciftlikkoy Kampusu, 33343, Mersin, Turkey.
| | - Serra Sürmeli Döven
- Faculty of Medicine, Department of Pediatric Nephrology, Mersin University, 34 Cadde, Ciftlikkoy Kampusu 33343, Mersin, Turkey
| | - Derya Karpuz
- Faculty of Medicine, Department of Pediatric Cardiology, Mersin University, 34. Cadde, Ciftlikkoy Kampusu, 33343, Mersin, Turkey
| | - Esra Danacı Vatansever
- Faculty of Medicine, Department of Pediatric Nephrology, Mersin University, 34 Cadde, Ciftlikkoy Kampusu 33343, Mersin, Turkey
| | - Bahar Taşdelen
- Faculty of Medicine, Department of Biostatistics and Medical Informatics, Mersin University, 33343, Mersin, Turkey
| | - Ali Delibaş
- Faculty of Medicine, Department of Pediatric Nephrology, Mersin University, 34 Cadde, Ciftlikkoy Kampusu 33343, Mersin, Turkey
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Papadakis Z, Grandjean PW, Forsse JS. Effects of Acute Exercise on Cardiac Autonomic Response and Recovery in Non-Dialysis Chronic Kidney Disease Patients. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2023; 94:812-825. [PMID: 35522981 DOI: 10.1080/02701367.2022.2057401] [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: 08/16/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Purpose: Heart rate variability (HRV) has gained acceptance as a key marker of cardiovascular health. We compared HRV responses after continuous moderate-intensity exercise (CMIE) and high-intensity interval exercise (HIIE) matched for intensity and duration in individuals with midspectrum chronic kidney disease (CKD). Methods: Twenty men and women (age 62.0 ± 10 yrs.) diagnosed with CKD stages G3a and G3b participated in a 2 (condition) x 4 (time point) repeated cross-over measures design study. HRV time-domain indices were based on the standard deviation of all NN intervals (SDNN) and the square root of the mean of the sum of the squares of differences between adjacent NN intervals (RMSSD) and frequency domain. High-frequency (HF), low-frequency (LF), total power (TP) were examined. CMIE consisted of treadmill walking for 30 minutes at a 2% incline and speed corresponding to 60%-65% of reserve volume of oxygen (VO2R). HIIE included five intervals of 3 minutes at 90% of VO2R and 2 minutes at 20% VO2R intervals. Conditions were designed to be of the same average intensity (60% to 65% of VO2R) and caloric expenditure (~144 kcal). Results: Immediately following exercise SDNN, RMSSD, HF, LF, and TP were significantly lower compared to before exercise (p <.05). HRV responses were not different between conditions and conditions X time (p >.05). Conclusions: Thirty minutes of either CMIE or HIIE decreased HRV indices, pointing to an autonomic imbalance favoring vagal mediation. HRV's responses regarding HIIE were no different from CMIE, therefore, from an autonomic function point of view this similarity may be useful for CKD exercise prescription and programming.
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The Role of Heart Rate Variability (HRV) in Different Hypertensive Syndromes. Diagnostics (Basel) 2023; 13:diagnostics13040785. [PMID: 36832273 PMCID: PMC9955360 DOI: 10.3390/diagnostics13040785] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/05/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Cardiac innervation by the parasympathetic nervous system (PNS) and the sympathetic nervous system (SNS) modulates the heart rate (HR) (chronotropic activity) and the contraction of the cardiac muscle (inotropic activity). The peripheral vasculature is controlled only by the SNS, which is responsible for peripheral vascular resistance. This also mediates the baroreceptor reflex (BR), which in turn mediates blood pressure (BP). Hypertension (HTN) and the autonomic nervous system (ANS) are closely related, such that derangements can lead to vasomotor impairments and several comorbidities, including obesity, hypertension, resistant hypertension, and chronic kidney disease. Autonomic dysfunction is also associated with functional and structural changes in target organs (heart, brain, kidneys, and blood vessels), increasing cardiovascular risk. Heart rate variability (HRV) is a method of assessing cardiac autonomic modulation. This tool has been used for clinical evaluation and to address the effect of therapeutic interventions. The present review aims (a) to approach the heart rate (HR) as a CV risk factor in hypertensive patients; (b) to analyze the heart rate variability (HRV) as a "tool" to estimate the individual risk stratum for Pre-HTN (P-HTN), Controlled-HTN (C-HTN), Resistant and Refractory HTN (R-HTN and Rf-HTN, respectively), and hypertensive patients with chronic renal disease (HTN+CKD).
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Mitsiou M, Dimitros E, Roumeliotis S, Liakopoulos V, Kouidi E, Deligiannis A. Effects of a Combined Intradialytic Exercise Training Program and Music on Cardiac Autonomic Nervous System Activity in Hemodialysis Patients. Life (Basel) 2022; 12:life12081276. [PMID: 36013455 PMCID: PMC9410492 DOI: 10.3390/life12081276] [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: 07/27/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to examine the effect of an intradialytic exercise program in combination with music on heart rate variability (HRV) indices and functional capacity in patients on maintenance hemodialysis (HD). Methods: Forty HD patients were randomized to four training groups for six months: the combined music and exercise group (Group A), the exercise group (Group B), the music group (Group C), and the control group (Group D). At baseline and after 6 months, all participants underwent both short- (for 30 min) and long- (for 24 h) term measurements of HRV and functional capacity assessment with a 6 min walking test (6MWT). Patients of groups A and C listened to preferred music. Results: Long-term HRV analysis showed that standard deviation of all normal-to-normal RR intervals (SDNN) and the square root of the mean squared differences of successive RR intervals (rMSSD) were significantly higher at the end of the study in groups A (by 13.2% and 47.3%), B (by 15.1% and 50%), and C (by 9.0% and 30.1%), compared to group D (p < 0.05). Values of rMSSD and percentage of RR intervals differing by more than 50 ms from the preceding RR interval (pNN50) were elevated in groups A (by 35.6% and 142.9%), B (by 36.1% and 75%), and C (by 15.2% and 28.6%), compared to baseline measurements (p < 0.05). Also, pNN50 was increased in group A compared to groups B (by 21.4%), C (by 88.9%), and D (by 142.9%) (p < 0.05). Similar results were noted by short-term HRV analysis. Functional capacity was improved at the end of the 6-month study in groups A (by 20.3% and 25.7%) and B (by 15.8% and 21.1%) compared to groups C and D (p < 0.05). Conclusions: Intradialytic exercise combined with music-listening can improve the functional capacity and cardiac autonomic nervous system activity in hemodialysis patients.
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Affiliation(s)
- Maria Mitsiou
- Laboratory of Sports Medicine, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
| | - Eleftherios Dimitros
- Laboratory of Sports Medicine, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
| | - Stefanos Roumeliotis
- Division of Nephrology and Hypertension, 1st Department of Medicine, AHEPA Hospital, Medical School, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
- Correspondence: ; Tel.: +30-231-099-4694
| | - Vassilios Liakopoulos
- Division of Nephrology and Hypertension, 1st Department of Medicine, AHEPA Hospital, Medical School, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
| | - Evangelia Kouidi
- Laboratory of Sports Medicine, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
| | - Asterios Deligiannis
- Laboratory of Sports Medicine, Aristotle University of Thessaloniki, 57001 Thessaloniki, Greece
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Mektrirat R, Rueangsri T, Keeratichandacha W, Soonsawat S, Boonyapakorn C, Pongkan W. Polyunsaturated Fatty Acid EAB-277 ® Supplementation Improved Heart Rate Variability and Clinical Signs in Tracheal Collapse Dogs. Front Vet Sci 2022; 9:880952. [PMID: 35909680 PMCID: PMC9330478 DOI: 10.3389/fvets.2022.880952] [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: 02/22/2022] [Accepted: 06/15/2022] [Indexed: 11/20/2022] Open
Abstract
Canine tracheal collapse is a progressive disease in small breed dogs resulting from chronic inflammation of the tracheal mucosal lining. Polyunsaturated fatty acid EAB-277® is one of the nutraceuticals that can alleviate inflammation and oxidative stress. Heart rate variability (HRV) is a prognostic tool related to sympathovagal balance and oxidative stress level, which is widely used with cardiorespiratory diseases. However, the effect of EAB-277® on HRV in tracheal collapse dogs has rarely been investigated. In this study, 26 tracheal collapse dogs were divided into two groups. In the control group, the dogs received the standard treatment, whereas the dogs in the EAB-277® group received standard treatment combined with EAB-277®. After being treated for 5 weeks, changes in radiographic findings, blood profiles, serum malondialdehyde, inflammatory markers, and HRV were evaluated. This study found that clinical signs were improved in both groups (p < 0.05). However, serum malondialdehyde (MDA), Interleukin-6 (IL-6), and Tumor necrosis factor-alpha (TNF-α) were decreased only in the EAB-277® group after treatment for five weeks (p < 0.05) and the mean percent change of MDA, IL-6, and TNF-α at week five compared to baseline in the EAB-277® group was greater than in the control group (p < 0.05). Additionally, greater sympathovagal imbalance indicated by decreased standard deviation of all normal R-R intervals (SDNN) and standard deviation of the averaged R-R intervals for all 5-minutes segments (SDANN) was found in the control group at week five compared to baseline (P < 0.05), whereas EAB-277® improved SDNN and SDANN and decreased low frequency/high-frequency component (LF/HF ratio) after being treated for five weeks (P < 0.05). This study demonstrates that EAB-277® improves clinical signs and attenuates HRV impairment by reducing oxidative stress and inflammation in tracheal collapse dogs.
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Affiliation(s)
- Raktham Mektrirat
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Integrative Research Center for Veterinary Circulatory Sciences, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Thareerat Rueangsri
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Waraporn Keeratichandacha
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sasiwimon Soonsawat
- Veterinary Diagnostic Laboratory, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chavalit Boonyapakorn
- Integrative Research Center for Veterinary Circulatory Sciences, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Department of Companion Animal and Wildlife Clinic, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Veterinary Cardiopulmonary Clinic, Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Wanpitak Pongkan
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Integrative Research Center for Veterinary Circulatory Sciences, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Veterinary Cardiopulmonary Clinic, Small Animal Hospital, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Veterinary Biosciences, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
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Factors Associated with Reduced Heart Rate Variability in the General Japanese Population: The Iwaki Cross-Sectional Research Study. Healthcare (Basel) 2022; 10:healthcare10050793. [PMID: 35627930 PMCID: PMC9141757 DOI: 10.3390/healthcare10050793] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 12/20/2022] Open
Abstract
Although many studies have reported factors associated with reduced heart rate variability (HRV) in Western populations, evidence is limited among Asian populations. Therefore, we investigated the factors associated with reduced HRV values in a general Japanese population by measuring HRV among the participants of the Iwaki Health Promotion Project who underwent medical examination in 2019. We performed 90-s HRV measurements in 1065 participants. Of these, we evaluated the coefficient of variation in R–R intervals (CVRR) and standard deviation in R–R intervals (SDNN). Blood was collected under a fasting condition, and investigations of glucose metabolism, lipid metabolism, renal function, liver function, advanced glycation end products, and blood pressure were performed. A multivariate regression analysis of the association between CVRR or SDNN and blood test parameters and blood pressure in 987 participants with adequately completed HRV assessments showed that reduced CVRR or SDNN was associated with higher levels of glycated hemoglobin (HbA1c), glycoalbumin, blood glucose, triglycerides, creatinine, plasma pentosidine, and diastolic blood pressure. In the general Japanese population, higher levels of HbA1c, glycoalbumin, blood glucose, triglycerides, creatinine, plasma pentosidine, and diastolic blood pressure are associated with reduced CVRR or SDNN, which are typical HRV parameters.
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Zeng H, Liu J, Chen Z, Yu P, Liu J. Cardiac Autonomic Dysfunction Is Associated With Risk of Diabetic Kidney Disease Progression in Type 2 Diabetes Mellitus. Front Endocrinol (Lausanne) 2022; 13:900465. [PMID: 35846280 PMCID: PMC9283697 DOI: 10.3389/fendo.2022.900465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Evidence on the relationship between heart rate variability (HRV) and albumin-to-creatinine ratio (ACR) combined with estimated glomerular filtration rate (eGFR) in patients with type 2 diabetes mellitus (T2DM) is rare. Thus, this study aimed to investigate the relationship between heart rate variability and the risk of diabetic kidney disease (DKD) progression in diabetes patients. METHOD Overall, 747 T2DM patients who were admitted to the Second Affiliated Hospital of Nanchang University underwent 24-hour dynamic electrocardiograms for HRV analysis. Time-domain HRV measures included mean heart rate, standard deviation of the R-R interval (SDNN), SDNN index, root mean squared difference of successive RR intervals (RMSSD), and percent of adjacent RR intervals with a difference greater than 50 ms (PNN50). Frequency-domain measures included low frequency (LF), very low frequency (VLF), high frequency (HF) components and LF-to-HF ratio. The risk of DKD progression was determined by combining ACR and eGFR and stratified as low risk (Group A), moderately increased risk (Group B), high risk (Group C), and very high risk (Group D) based on the Kidney Disease: Improving Global Outcomes guidelines. RESULT There were significant differences in HRV parameters among the four risk groups (SDNN: 113 ms vs 109 ms vs 101 ms vs 81 ms, P<0.01; LF: 240.2 ms2 vs 241.1 ms2 vs 155.2 ms2 vs 141.9 ms2, P<0.01; LF-to-HF ratio: 1.70 vs 1.24 vs 1.12 vs 0.93, P<0.01; VLF: 723.7 ms2 vs 601.1 ms2 vs 446.4 ms2 vs 356.3 ms2, P<0.01). A very high risk of DKD progression was significantly associated with a lower SDNN (β=-19.5, 95% CI: -30.0 to -10.0, P<0.01), and moderately increased, high, and very high risks were associated with lower LF-to-HF ratio and VLF (P<0.05). Logistic regression analysis showed that group D had a higher risk of reduced SDNN, LF-to-HF ratio, and VLF compared with group A after adjusting for systolic blood pressure, glycated haemoglobin, haemoglobin, high-density lipoprotein cholesterol, and age (odds ratio (95% CI): 0.989 (0. 983-0.996), 0.674 (0.498-0.913), and 0.999 (0.999-1.000), respectively). CONCLUSION Cardiac autonomic dysfunction is associated with a risk of DKD progression in adults with T2DM, and reduced heart rate variability increased such risk. Thus, HRV screening may be necessary in patients with T2DM, especially those with high proteinuria.
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Chang HC, Huang CJ, Yang AC, Cheng HM, Chuang SY, Yu WC, Chiang CE, Chen CH, Sung SH. Role of Heart Rate Variability in Association Between Glomerular Hyperfiltration and All-Cause Mortality. J Am Heart Assoc 2021; 10:e021585. [PMID: 34889105 PMCID: PMC9075221 DOI: 10.1161/jaha.121.021585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background Glomerular hyperfiltration (GHF) is paradoxically associated with increased cardiovascular events in healthy individuals, but the pathogenesis remains unclear. We aim to investigate whether GHF is associated with mortality and whether decreased heart rate variability (HRV) is associated with GHF. Methods and Results We retrospectively analyzed 1615 participants (aged 66.1±17.3 years, 61.9% men) without prior cardiovascular events. The glomerular filtration rate was estimated using the Chronic Kidney Disease Epidemiology Collaboration equation. GHF was defined as glomerular filtration rate >the 95th percentile after stratification for age and sex, whereas normal filtration was defined as the 25th to 75th percentiles. HRV indexes, including time domain, frequency domain, and sample entropy, were measured using 24‐hour ambulatory electrocardiography. Clinical outcomes were defined as all‐cause mortality at 2 years. During a mean follow‐up of 16.5±8.2 months, there were 117 deaths (7.2%). GHF was associated with a higher risk of death (hazard ratio and 95% CIs, 1.97 [1.15–3.37]). Reduced HRV indexes, including time domain, frequency domain, and sample entropy (odds ratio and 95% CIs, 0.79 [0.70–0.89]) were all independently associated with the presence of GHF after accounting for age, sex, mean heart rate, morbidities, and medications. In subgroup analysis, reduced HRV was more predictive of GHF in the young than the elderly. Mediation analysis revealed a significant mediation effect between HRV and GHF in addition to their respective detrimental effects on survival. Conclusions Reduced HRV was independently associated with the presence of GHF. Autonomic dysfunction may be involved in the pathogenesis of adverse outcomes of GHF in individuals without prior cardiovascular events.
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Affiliation(s)
- Hao-Chih Chang
- Division of Cardiology Department of Medicine Taipei Veterans General Hospital Taipei Taiwan.,Department of Medicine Taipei Veterans General Hospital Yuanshan and Suao Branch Yilan Taiwan.,Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan
| | - Chi-Jung Huang
- Center for Evidence-based Medicine Taipei Veterans General Hospital Taipei Taiwan
| | - Albert C Yang
- Digital Medicine Center and Institute of Brain Science National Yang Ming Chiao Tung University Taipei Taiwan
| | - Hao-Min Cheng
- Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan.,Center for Evidence-based Medicine Taipei Veterans General Hospital Taipei Taiwan.,Department of Medical Education Taipei Veterans General Hospital Taipei Taiwan
| | - Shao-Yuan Chuang
- Institute of Population Health Science National Health Research Institutes Miaoli Taiwan
| | - Wen-Chung Yu
- Division of Cardiology Department of Medicine Taipei Veterans General Hospital Taipei Taiwan.,Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan
| | - Chern-En Chiang
- Department of Internal Medicine National Yang Ming Chiao Tung University College of Medicine Taipei Taiwan.,General Clinical Research Center Taipei Veterans General Hospital Taipei Taiwan
| | - Chen-Huan Chen
- Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan.,Department of Internal Medicine National Yang Ming Chiao Tung University College of Medicine Taipei Taiwan.,Institute of Public Health National Yang Ming Chiao Tung University College of Medicine Taipei Taiwan.,Department of Medical Education Taipei Veterans General Hospital Taipei Taiwan
| | - Shih-Hsien Sung
- Division of Cardiology Department of Medicine Taipei Veterans General Hospital Taipei Taiwan.,Cardiovascular Research Center National Yang Ming Chiao Tung University Taipei Taiwan.,Department of Internal Medicine National Yang Ming Chiao Tung University College of Medicine Taipei Taiwan.,Institute of Public Health National Yang Ming Chiao Tung University College of Medicine Taipei Taiwan
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Min JW, Chang JY, Lee H, Park Y, Ko EJ, Cho JH, Yang CW, Chung BH. Clinical significance of heart rate variability for the monitoring of cardiac autonomic neuropathy in end-stage renal disease patients. Nutr Metab Cardiovasc Dis 2021; 31:2089-2098. [PMID: 33975739 DOI: 10.1016/j.numecd.2021.03.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 02/01/2021] [Accepted: 03/17/2021] [Indexed: 01/04/2023]
Abstract
BACKGROUND AND AIMS The aim of this study is to determine whether the measurement of continuous heart rate variability (HRV) is useful in the evaluation of cardiac autonomic neuropathy (CAN) in end-stage renal disease (ESRD) patients. METHODS AND RESULTS This cross-sectional study was performed at Seoul St. Mary's hospital between June 2017 and February 2018. Seventy-seven ESRD patients, and 29 healthy controls (HCs) were asked to wear a continuous ambulatory HRV monitor for 24 h. General cardiac function was evaluated using transthoracic echocardiogram (TTE), pulse wave velocity (PWV), coronary calcium scoring (CCS), and 24-h ambulatory blood pressure monitoring (ABPM). HRV parameters of ESRD patients and HCs, and the correlation of HRV parameters with cardiovascular screening methods were observed. All HRV parameters were significantly decreased in ESRD patients compared to HCs (P < 0.001). In the correlation analysis between TTE results and HRV parameters, 24-h standard deviation of all N-N intervals (24SDNN), 24-h standard deviation of sequential 5-min N-N interval means (24DANN) and Low Frequency Power/High Frequency Power (LF/HF) ratio showed negative correlations with E/e', LAVI and TR velocity which are representative indices for the diastolic function of the heart (P < 0.05). HRV parameters showed negative correlations with baPWV, CCS, and 24-h ABPM results as well (P < 0.05). Hemoglobin and serum albumin showed positive correlations with HRV parameters, and glucose, BUN, creatinine, and iPTH levels showed negative correlations (P < 0.05). CONCLUSION Continuous HRV monitoring may be a useful tool for the evaluation of CAN in ESRD.
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Affiliation(s)
- Ji Won Min
- Division of Nephrology, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ji-Yeun Chang
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Hanbi Lee
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Yohan Park
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Eun Jeong Ko
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Jae Hyoung Cho
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Chul Woo Yang
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Byung Ha Chung
- Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
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Rodrigues NG, Albuquerque JAFD, Guio BM, Reis MS. Avaliação da modulação autonômica da frequência cardíaca de pacientes com doença renal crônica em hemodiálise: estudo preliminar. FISIOTERAPIA E PESQUISA 2021. [DOI: 10.1590/1809-2950/20001828022021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO A doença renal crônica (DRC) é definida como dano à função renal. Doentes renais crônicos atingem alta prevalência de morte por eventos cardiovasculares antes dos estágios finais, sendo maior a mortalidade em estágio dialítico, em que é evidenciado um desequilíbrio autonômico. Objetivamos avaliar a modulação simpatovagal de pacientes com DRC em tratamento de hemodiálise ambulatorial. Foram avaliados 23 pacientes, divididos em: Grupo DRC com DRC no estágio 5D (DRC-5D) em tratamento regular de hemodiálise ambulatorial; Grupo-controle com indivíduos saudáveis. A variabilidade da frequência cardíaca (VFC) foi coletada por um cardiofrequencímetro e analisada por índices lineares do domínio do tempo e do domínio da frequência. 14 pacientes no Grupo DRC com média de idade 48±16; e 9 pacientes saudáveis no Grupo-controle com média de idade 64±5. Nos resultados pelo domínio de tempo, o Grupo DRC mostrou valores significativamente maiores da frequência cardíaca (FC) comparado ao Grupo-controle (83,49±13,09 bpm vs. 67,88±9,43 bpm). Todavia, os índices média dos intervalos R-R (735,82±121,54 ms vs. 898,94±123,58 ms), RMSSD (11,75±11,86 ms vs. 20,03±6,80 ms), SDNN (17,06±9,81ms vs. 28,42±7,62 ms) do Grupo DRC mostraram valores significativamente menores comparados aos do Grupo-controle, respectivamente. Nos resultados pelo domínio da frequência, o Grupo DRC mostrou valores significativamente menores em comparação ao Grupo-controle nos índices BFab (129,7±184,3 ms vs. 262,31±168,15 ms) e AFab (82,70±227,66 ms vs. 180,77±119,85 ms). Pacientes com DRC em hemodiálise apresentaram redução da modulação parassimpática quando comparados com indivíduos saudáveis, sugerindo prejuízo do balanço simpatovagal e, consequente, disfunção autonômica cardíaca.
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Soomro QH, Charytan DM. Cardiovascular autonomic nervous system dysfunction in chronic kidney disease and end-stage kidney disease: disruption of the complementary forces. Curr Opin Nephrol Hypertens 2021; 30:198-207. [PMID: 33395034 DOI: 10.1097/mnh.0000000000000686] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Several nontraditional risk factors have been the focus of research in an attempt to understand the disproportionately high cardiovascular morbidity and mortality in chronic kidney disease (CKD) and end-stage kidney disease (ESKD) populations. One such category of risk factors is cardiovascular autonomic dysfunction. Its true prevalence in the CKD/ESKD population is unknown but existing evidence suggests it is common. Due to lack of standardized diagnostic and treatment options, this condition remains undiagnosed and untreated in many patients. In this review, we discuss current evidence pointing toward the role of autonomic nervous system (ANS) dysfunction in CKD, building off of crucial historical evidence and thereby highlighting the areas in need for future research interest. RECENT FINDINGS There are several key mediators and pathways leading to cardiovascular autonomic dysfunction in CKD and ESKD. We review studies exploring the mechanisms involved and discuss the current measurement tools and indices to evaluate the ANS and their pitfalls. There is a strong line of evidence establishing the temporal sequence of worsening autonomic function and kidney function and vice versa. Evidence linking ANS dysfunction and arrhythmia, sudden cardiac death, intradialytic hypotension, heart failure and hypertension are discussed. SUMMARY There is a need for early recognition and referral of CKD and ESKD patients suspected of cardiovascular ANS dysfunction to prevent the downstream effects described in this review.There are many unknowns in this area and a clear need for further research.
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Affiliation(s)
- Qandeel H Soomro
- Nephrology Division, Department of Medicine, NYU Langone Medical Center, New York, New York, USA
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13
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Liberda EN, Zuk AM, Tsuji LJS. Heart rate variation and human body burdens of environmental mixtures in the Cree First Nation communities of Eeyou Istchee, Canada. ENVIRONMENT INTERNATIONAL 2021; 146:106220. [PMID: 33120227 DOI: 10.1016/j.envint.2020.106220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/25/2020] [Accepted: 10/14/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Heart rate variability (HRV) is a measure of cardiac autonomic regulation that examines the variation in beat-to-beat fluctuations in heart rate. While many exposure-based studies have examined the effects of single or similar groups of contaminants on HRV parameters, none have examined the association between complex environmental mixtures, including organic and elemental contaminants, and HRV. METHODS Using data collected from the Multi-Community Environment-and-Health Study in Eeyou Istchee (Quebec, Canada), we assessed HRV in two time domain measures: root mean square of successive differences (RMSSD) and standard deviation of the N-N (RR) intervals (SDNN); and in three frequency domains: high frequency (HF), low-frequency (LF), and very-low frequency (VLF) in 443 participants. We first examined mixture effects of nineteen organic and metal contaminants in blood using principal component analysis (PCA) and a multivariable general linear regression on HRV responses, adjusting for age, sex, body mass index, smoking status, and kidney disease covariates. We subsequently assessed HRV outcome response variables using Bayesian kernel machine regression (BKMR) to further examine individual contaminant contribution and overall mixture effects. RESULTS In the PCA, a significant positive association was observed between RMSSD and principal component (PC) axis 2, which was highly positively-loaded for nickel and moderately negatively-loaded for mercury. A negative association between SDNN and PC-1, which was highly positively-loaded for all PCBs (polychlorinated biphenyls) and organochlorines and moderately positively-loaded for mercury, was observed. Additionally, a significant and positive association was observed between PC-2 and SDNN and a significant and negative association between PC-3 (negatively loaded for cadmium) and LF. Associations with contaminants were not observed for HF or VLF. BKMR results suggest that trans-nonachlor and cis-nonachlor are primarily responsible for reductions in HRV; however, their contributions to HRV deficits was non-significant when examined as a complete mixture. CONCLUSIONS While PCA results suggested that organochlorines, mercury, nickel, and cadmium may all play a role in altering various HRV, subsequent BKMR analysis illustrated the individual components driving these effects may be trans- and cis-nonachlor and nickel and likely not mercury or cadmium. However, other contaminants appear to temper this effect when the entire mixture of chemicals is assessed as a whole. This study expands our knowledge of the effects of environmental contaminant mixtures on HRV, which is especially important in exposed populations such as those in the Eeyou Istchee territory, whilst utilizing novel statistical methods such as PCA and BKMR to examine co-exposures concurrently.
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Affiliation(s)
- Eric N Liberda
- School of Occupational and Public Health, Ryerson University, Toronto, Ontario, Canada.
| | - Aleksandra M Zuk
- School of Nursing, Queen's University, Kingston, Ontario, Canada; Department of Physical and Environmental Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Leonard J S Tsuji
- Department of Physical and Environmental Sciences, University of Toronto, Toronto, Ontario, Canada
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Morais MJ, Raimundo RD, Oliveira FS, de Abreu LC, Bezerra IM, Silva RP, Rodrigues AS, Valenti VE, Pérez-Riera AR. Evaluation of the effects of aerobic training during hemodialysis on autonomic heart rate modulation in patients with chronic renal disease. Medicine (Baltimore) 2019; 98:e15976. [PMID: 31169731 PMCID: PMC6571407 DOI: 10.1097/md.0000000000015976] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Chronic renal disease (CRD) affects a large portion of the population and is directly related to cardiovascular problems and hypertension, among others. Studies show that heart rate variability is directly affected by these problems. Physical-oriented exercises have been shown to be of fundamental importance in improving the adverse effects to dialysis treatment. OBJECTIVE To analyze the effects of aerobic training during hemodialysis on autonomic heart rate modulation in patients with CRD. METHOD Experimental study of an open, single group clinical trial. In this clinical trial, patients with CRD will initially undergo international physical activity questionnaire and kidney disease quality of life short form protocols, as well as monitoring of heart rate systolic, and diastolic blood pressure. After evaluation of the initial parameters, patients will undergo an aerobic exercise program for 12 weeks, in 3 weekly sessions, lasting 30 minutes a session. These evaluations will allow for a greater control of the disease, and monitoring of any improvements in the quality of life and self-esteem of these patients. ETHICS AND DISSEMINATION This study was approved following the guidelines and norms that regulate research involving human subjects, in Resolution No. 466/12 of the National Health Council. It was approved by the Research Ethics Committee of the Faculty of Juazeiro do Norte, with the number 1962 092. All patients who agree to participate in the research will sign the informed consent form. The results will be disseminated through peer-reviewed journal articles and conferences.
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Affiliation(s)
- Mauro J.D. Morais
- Federal University of Acre, UFAC, Acre
- Graduate, Research and Innovation Sector, Santo Andre, São Paulo, ABC Medical School, FMABC
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
| | - Rodrigo D. Raimundo
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
| | - Fabiano S. Oliveira
- Federal University of Acre, UFAC, Acre
- Graduate, Research and Innovation Sector, Santo Andre, São Paulo, ABC Medical School, FMABC
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
| | - Luiz C. de Abreu
- Federal University of Acre, UFAC, Acre
- Graduate, Research and Innovation Sector, Santo Andre, São Paulo, ABC Medical School, FMABC
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
| | - Italla M.P. Bezerra
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
- Postgraduate Program in Public Policies and Local Development, School of Sciences of the Santa Casa de Misericórdia de Vitória, EMESCAM, Vitória, Espirito Santo
| | | | - Alliny S. Rodrigues
- Graduate, Research and Innovation Sector, Santo Andre, São Paulo, ABC Medical School, FMABC
| | - Vitor E. Valenti
- Paulista State University (UNESP), Center for the Study of the Autonomic Nervous System, Marília, Sao Paulo, Brazil
| | - Andrés R. Pérez-Riera
- Graduate, Research and Innovation Sector, Santo Andre, São Paulo, ABC Medical School, FMABC
- Laboratory of Study Design and Scientific Writing, ABC Medical School, Santo André, Sao Paulo
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Zhang J, Wen R, Yin J, Zhu Y, Lin L, Ye Z, Peng H, Wang C, Lou T. Nocturnal pulse rate correlated with ambulatory blood pressure and target organ damage in patients with chronic kidney disease. J Clin Hypertens (Greenwich) 2018; 21:77-87. [PMID: 30597750 DOI: 10.1111/jch.13438] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 08/21/2018] [Accepted: 09/07/2018] [Indexed: 12/30/2022]
Abstract
The relationship between resting pulse rate (PR) and the occurrence of hypertension and cardiovascular (CV) mortality has been described in the general population. Few studies have examined the relationship between ambulatory PR, ambulatory blood pressure (BP), and target organ damage (TOD) in patients with chronic kidney disease (CKD). A total of 1509 patients with CKD were recruited in our hospital. Ambulatory blood pressure monitoring (ABPM) over a 24-hours period was performed and referenced with clinical data in this cross-sectional study. TOD was measured by estimated glomerular filtration rate (eGFR), left ventricular hypertrophy (LVH), and carotid intima-media thickness (cIMT). Univariate and multivariate analyses were used to evaluate the relationship between PR, BP, and TOD. The percentage of male patients was 58.3% with a mean age of 44.6 ± 16.2 years. Nocturnal PR rather than 24-hours PR or daytime PR was an independent risk factor for clinical hypertension, 24-hours hypertension, BP dipper state, poor renal function, and LVH. In addition, the authors found that nighttime PR >74 beats/min (bpm) group was independently associated with clinical hypertension, 24-hours hypertension, day and night hypertension, nondipping BP, lower eGFR, and LVH when compared with nighttime PR <64 bpm group. Furthermore, 1:1 propensity score matching between PR ≤74 bpm group and PR >74 bpm group was performed. Multivariate analyses indicated nighttime PR >74 bpm remained independently associated with clinical hypertension, daytime and nighttime hypertension, and LVH. An increased nocturnal PR is associated with TOD, higher BP, and nondipping BP in patients with CKD.
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Affiliation(s)
- Jun Zhang
- Division of Nephrology, Department of medicine, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Ruowei Wen
- Division of Nephrology, Department of medicine, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Jinmei Yin
- Division of Nephrology, Department of medicine, 5th Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Ye Zhu
- Division of Nephrology, Department of medicine, 5th Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Lin Lin
- Division of Nephrology, Department of medicine, 5th Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Zengchun Ye
- Division of Nephrology, Department of medicine, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Hui Peng
- Division of Nephrology, Department of medicine, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Cheng Wang
- Division of Nephrology, Department of medicine, 5th Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Tanqi Lou
- Division of Nephrology, Department of medicine, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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