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Pan Y, Blankfield RP, Kaelber DC, Xu R. Association of adverse cardiovascular events with gabapentin and pregabalin among patients with fibromyalgia. PLoS One 2024; 19:e0307515. [PMID: 39058736 PMCID: PMC11280525 DOI: 10.1371/journal.pone.0307515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Accepted: 07/07/2024] [Indexed: 07/28/2024] Open
Abstract
OBJECTIVE Fibromyalgia, a chronic pain disorder, impacts approximately 2% of adults in the US. Gabapentin and pregabalin are common treatments to manage fibromyalgia-related pain. Our recent study showed the risk of adverse cardiovascular events increased in diabetic neuropathy patients who were prescribed gabapentin or pregabalin. Here, we investigated whether the prescription of gabapentin or pregabalin has similar cardiovascular risk in patients with fibromyalgia. METHODS This retrospective cohort study leveraged electronic health records from 64 US healthcare organizations with 112 million patients. The study population included 105,602 patients first diagnosed with fibromyalgia and followed by a prescription of gabapentin, pregabalin, or other FDA-approved drugs for treating fibromyalgia from 2010 to 2019. Outcomes were deep venous thrombosis (DVT), myocardial infarcts (MI), peripheral vascular disease (PVD), strokes, heart failure, and pulmonary embolism (PE). In propensity-score-matched cohorts, 1-year and 5-year hazard ratios (HRs) were computed with their respective 95% confidence intervals (CIs). Additionally, we conducted sensitivity analyses on the subpopulations without other possible indications. RESULTS For 5-year follow-up, gabapentin increased the risk of PVD (HR = 1.46, 95% CI = 1.17-1.80), MI (HR = 1.31, 95% CI = 1.03-1.66), heart failure (HR = 1.27, 95% CI = 1.10-1.48), DVT (HR = 1.80, 95% CI = 1.33-2.44), and PE (HR = 2.23, 95% CI = 1.62-3.07). Pregabalin increased the risk of DVT (HR = 1.49, 95% CI = 1.01-2.20), and PE (HR = 2.24, 95% CI = 1.43-3.50). For 1-year follow-up, gabapentin increased the risk of PVD (HR = 1.32, 95% CI = 1.11-1.57), DVT (HR = 1.35, 95% CI = 1.09-1.68), and PE (HR = 1.36, 95% CI = 1.17-1.57). Pregabalin increased the risk of PVD (HR = 1.32, 95% CI = 1.06-1.63) and PE (HR = 1.25, 95% CI = 1.03-1.52). Sensitivity analyses showed similar trends. CONCLUSION In fibromyalgia patients, the prescription of gabapentin and pregabalin moderately increased the risk of several adverse cardiovascular events. This risk, together with benefits and other adverse reactions, should be considered when prescribing these medications for fibromyalgia patients.
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Affiliation(s)
- Yiheng Pan
- Computer and Data Science Department, Case Western Reserve University Case School of Engineering, Cleveland, OH, United States of America
- Center for Artificial Intelligence in Drug Discovery, Case Western Reserve University School of Medicine, Cleveland, OH, United States of America
| | - Robert P. Blankfield
- Department of Family Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, United States of America
| | - David C. Kaelber
- The Center for Clinical Informatics Research and Education, The Metro Health System, Cleveland, OH, United States of America
| | - Rong Xu
- Center for Artificial Intelligence in Drug Discovery, Case Western Reserve University School of Medicine, Cleveland, OH, United States of America
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Charbel T, El Koubayati G, Kharsa C, Aoun M. Acknowledging the impact of seasonal blood pressure variation in hypertensive CKD and non-CKD patients living in a Mediterranean climate. PLoS One 2023; 18:e0293403. [PMID: 38060575 PMCID: PMC10703340 DOI: 10.1371/journal.pone.0293403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/11/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND This study aims to assess seasonal blood pressure (BP) variation in chronic kidney disease (CKD) and non-CKD patients living in a Mediterranean climate, and to find out if this variation entails significant adjustment of treatment and if it impacts renal outcomes and mortality. METHODS This retrospective study included all hypertensive patients seen between February 2006 and April 2020 in two Lebanese clinics. Regression analyses were used to assess the association of seasonal BP variability and treatment adjustment with eGFR change from baseline, dialysis initiation and death. RESULTS A total of 398 patients of 64.2 ±13.9 years were followed for 51.1 ±44.3 months, 67% had eGFR< 60 mL/min. Mean systolic and diastolic BP was 137.7 ±14.7 and 76.5 ±9.5 mmHg respectively. Systolic and diastolic BP were significantly lower in the warm season in CKD and non-CKD patients (P<0.001). The majority (91.4%) needed seasonal treatment modifications. After adjustment to age, sex, baseline eGFR, BP and number of antihypertensive drugs, we found a significant loss of eGFR with treatment modifications in both seasons, double risk of dialysis with the increase of antihypertensive treatment in both seasons and a 2.5 more risk of death with reduced treatment in the warm season. CONCLUSION This study confirmed the seasonal BP variability in CKD and non-CKD patients from a Mediterranean climate. All types of treatment adjustment were associated with eGFR loss. Low BP in the warm season was highly associated with death.
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Affiliation(s)
- Tatiana Charbel
- Faculty of Medicine, Department of Internal Medicine, Saint-Joseph University, Beirut, Lebanon
| | - Georgio El Koubayati
- Faculty of Medicine, Department of Internal Medicine, Lebanese University, Beirut, Lebanon
| | - Chloe Kharsa
- Faculty of Medicine, Department of Internal Medicine, Saint-Joseph University, Beirut, Lebanon
| | - Mabel Aoun
- Faculty of Medicine, Department of Nephrology, Saint-Joseph University, Beirut, Lebanon
- AUB Santé, Lorient, France
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Baheti B, Chen G, Ding Z, Wu R, Zhang C, Zhou L, Liu X, Song X, Wang C. Residential greenness alleviated the adverse associations of long-term exposure to ambient PM 1 with cardiac conduction abnormalities in rural adults. ENVIRONMENTAL RESEARCH 2023; 237:116862. [PMID: 37574100 DOI: 10.1016/j.envres.2023.116862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/27/2023] [Accepted: 08/08/2023] [Indexed: 08/15/2023]
Abstract
BACKGROUND Ambient air pollution was linked to elevated risks of adverse cardiovascular events, and alterations in electrophysiological properties of the heart might be potential pathways. However, there is still lacking research exploring the associations between PM1 exposure and cardiac conduction parameters. Additionally, the interactive effects of PM1 and residential greenness on cardiac conduction parameters in resource-limited areas remain unknown. METHODS A total of 27483 individuals were enrolled from the Henan Rural Cohort study. Cardiac conduction parameters were tested by 12-lead electrocardiograms. Concentrations of PM1 were evaluated by satellite-based spatiotemporal models. Levels of residential greenness were assessed using Enhanced Vegetation Index (EVI) and Normalized difference vegetation index (NDVI). Logistic regression models and restricted cubic splines were fitted to explore the associations of PM1 and residential greenness exposure with cardiac conduction abnormalities risk, and the interaction plot method was performed to visualize their interaction effects. RESULTS The 3-year median concentration of PM1 was 56.47 (2.55) μg/m3, the adjusted odds rate (ORs) and 95% confidence intervals (CIs) for abnormal HR, PR, QRS, and QTc interval risk in response to 1 μg/m3 increase in PM1 were 1.064 (1.044, 1.085), 1.037 (1.002, 1.074), 1.061 (1.044, 1.077) and 1.046 (1.028, 1.065), respectively. Participants exposure to higher levels of PM1 had increased risks of abnormal HR (OR = 1.221, 95%CI: 1.144, 1.303), PR (OR = 1.061, 95%CI: 0.940, 1.196), QRS (OR = 1.225, 95%CI: 1.161, 1.294) and QTc interval (OR = 1.193, 95%CI: 1.121, 1.271) compared with lower levels of PM1. Negative interactive effects of exposure to PM1 and residential greenness on abnormal HR, QRS, and QTc intervals were observed (Pfor interaction < 0.05). CONCLUSION Long-term PM1 exposure was associated with elevated cardiac conduction abnormalities risks, and this adverse association might be mitigated by residential greenness to some extent. These findings emphasize that controlling PM1 pollution and increasing greenness levels might be effective strategies to reduce cardiovascular disease burdens in resource-limited areas.
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Affiliation(s)
- Bota Baheti
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Gongbo Chen
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Zhongao Ding
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Ruiyu Wu
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Caiyun Zhang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Lue Zhou
- NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, Zhengzhou, Henan, PR China
| | - Xiaotian Liu
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Xiaoqin Song
- Physical Examination Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, PR China.
| | - Chongjian Wang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China; NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, Zhengzhou, Henan, PR China.
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Falsing MM, Brainin P, Andersen DM, Larroudé CE, Lindhardt TB, Ravnkilde K, Modin D, Karsum EH, Gislason G, Biering-Sørensen T. Sex differences in echocardiographic predictors of bradycardia detected by implantable loop recorder in patients with syncope and palpitations. Echocardiography 2021; 38:1186-1194. [PMID: 34037991 DOI: 10.1111/echo.15085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE Our aim was to investigate whether echocardiography may aid in identifying patients, specifically men, at risk of bradycardia as detected by implantable loop recorders (ILR) in patients evaluated for syncope and palpitations. METHODS We included ambulatory patients undergoing ILR implantation for syncope (84%), presyncope (9%), and palpitations (8%). Echocardiographic examination was performed prior to implantation (2.9 months [IQR 1.0-6.0 months]). Echocardiograms were analyzed for conventional and speckle tracking parameters. We examined time to first event of bradycardia, defined as (a) heart rate <30 beats/min and (b) ≥4 beats, including sinus arrest, asystole, sinoatrial block, and second- and third-degree atrioventricular nodal block. We applied Cox proportional hazards models. RESULTS A total of 285 patients we enrolled, and during a median time of 2.7 years [IQR 1.0, 3.3 years] of continuous heart rhythm monitoring, 84 (29%) had bradycardia detected by ILR. Patients with bradycardia were older (61 ± 19 years vs 55 ± 18 years, P = .01) and more frequently men (62% vs 44%, P = .01). Sex modified the association between echocardiographic parameters and bradycardia (P interaction <0.05 for all), such that left ventricular LV mass index (HR: 1.02 per 1g/m2 increase [1.01-1.04], P < .001), LV ejection fraction (HR: 1.04 per 1% decrease [1.01-1.08], P = .02), and global longitudinal strain (HR: 1.09 per 1% decrease [1.01-1.19], P = .03) were associated with bradycardia in men but not women (P > .05 for all in female). After adjusting for baseline clinical characteristics, medical therapy, and loop indication, the abovementioned parameters remained significantly associated with incident bradycardia in men. CONCLUSION Echocardiographic parameters of LV structure and function may potentially be more useful for predicting bradycardia in men than women, among patients undergoing ILR implantation for syncope, presyncope, and palpations.
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Affiliation(s)
- Mathilde Musoni Falsing
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Philip Brainin
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark.,Department of Cardiology, Federal University of Acre, Acre, Brazil
| | - Ditte Madsen Andersen
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Ellen Larroudé
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Tommi Bo Lindhardt
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Kirstine Ravnkilde
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Daniel Modin
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Emil Høegholm Karsum
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Gunnar Gislason
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Tor Biering-Sørensen
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
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Mannina C, Jin Z, Matsumoto K, Ito K, Biviano A, Elkind MSV, Rundek T, Homma S, Sacco RL, Di Tullio MR. Frequency of cardiac arrhythmias in older adults: Findings from the Subclinical Atrial Fibrillation and Risk of Ischemic Stroke (SAFARIS) study. Int J Cardiol 2021; 337:64-70. [PMID: 33965468 DOI: 10.1016/j.ijcard.2021.05.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 01/20/2023]
Abstract
BACKGROUND Prolonged monitoring of cardiac rhythm has been used to screen for subclinical atrial fibrillation (AF); little is known about other arrhythmias in the general population, especially in the elderly, who are at higher risk of arrhythmias. METHODS We evaluated the frequency of arrhythmias in the tri-ethnic (white, Black, Hispanic), community-based Subclinical Atrial Fibrillation and Risk of Ischemic Stroke (SAFARIS) study using a patch-based recorder for up to 14 days in 527 participants free of AF, congestive heart failure (CHF) or history of stroke. Differences according to gender, age, ethnicity and presence of hypertension, diabetes and pertinent ECG and echocardiographic variables were examined. RESULTS Mean age was 77.2 ± 6.8 years (37.2% men, 62.8% women). AF was present in 10 participants (1.9%), only 2 of them symptomatic. Supraventricular tachycardia (SVT) and ventricular tachycardia (VT) episodes were observed in 84.4% and 25.0% but only 13.5% and 10.6% of participants reported symptoms, respectively. Severe bradycardia (<40 bpm) was present in 12.5%. Sinus pauses and high-degree atrioventricular blocks were infrequent (2.1% and 1.5%, respectively). Most arrhythmias were more frequent in participants > 75 years; ventricular arrhythmias and severe bradycardia were more common in men. Whites had significantly more episodes of AF than Hispanics, SVT than Blacks and VT ≥ 10 beats than Hispanics and Blacks. Hypertensives had more episodes of severe bradycardia. LV hypertrophy or LVEF <55% were associated with more frequent ventricular and supraventricular arrhythmias. CONCLUSIONS Prolonged cardiac rhythm monitoring revealed moderate frequency of AF, but higher than expected frequencies of AF-predisposing arrhythmias. Ventricular arrhythmias were relatively frequent, whereas severe bradyarrhythmias were infrequent.
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Affiliation(s)
- Carlo Mannina
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America; Department of Internal Medicine, University of Palermo, Italy
| | - Zhezhen Jin
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, United States of America
| | - Kenji Matsumoto
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America
| | - Kazato Ito
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America
| | - Angelo Biviano
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America
| | - Mitchell S V Elkind
- Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America
| | - Tatjana Rundek
- Department of Neurology, Miller School of Medicine, University of Miami, FL, United States of America; Department of Public Health Sciences, Miller School of Medicine, University of Miami, FL, United States of America
| | - Shunichi Homma
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America
| | - Ralph L Sacco
- Department of Neurology, Miller School of Medicine, University of Miami, FL, United States of America; Department of Public Health Sciences, Miller School of Medicine, University of Miami, FL, United States of America; Clinical and Translational Science Institute, Miller School of Medicine, University of Miami, FL, United States of America
| | - Marco R Di Tullio
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States of America.
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Aune D, Sen A, ó'Hartaigh B, Janszky I, Romundstad PR, Tonstad S, Vatten LJ. Resting heart rate and the risk of cardiovascular disease, total cancer, and all-cause mortality - A systematic review and dose-response meta-analysis of prospective studies. Nutr Metab Cardiovasc Dis 2017; 27:504-517. [PMID: 28552551 DOI: 10.1016/j.numecd.2017.04.004] [Citation(s) in RCA: 156] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 04/06/2017] [Accepted: 04/13/2017] [Indexed: 01/16/2023]
Abstract
BACKGROUND AND AIM Epidemiological studies have reported increased risk of cardiovascular disease, cancer and all-cause mortality with greater resting heart rate, however, the evidence is not consistent. Differences by gender, adjustment for confounding factors, as well as the potential impact of subclinical disease are not clear. A previous meta-analysis missed a large number of studies, and data for atrial fibrillation have not been summarized before. We therefore aimed to clarify these associations in a systematic review and meta-analysis of prospective studies. METHODS AND RESULTS PubMed and Embase were searched up to 29 March 2017. Summary RRs and 95% confidence intervals (CIs) were calculated using random effects models. Eighty seven studies were included. The summary RR per 10 beats per minute increase in resting heart rate was 1.07 (95% CI: 1.05-1.10, I2 = 61.9%, n = 31) for coronary heart disease, 1.09 (95% CI: 1.00-1.18, I2 = 62.3%, n = 5) for sudden cardiac death, 1.18 (95% CI: 1.10-1.27, I2 = 74.5%, n = 8) for heart failure, 0.97 (95% CI: 0.92-1.02, I2 = 91.4%, n = 9) for atrial fibrillation, 1.06 (95% CI: 1.02-1.10, I2 = 59.5%, n = 16) for total stroke, 1.15 (95% CI: 1.11-1.18, I2 = 84.3%, n = 35) for cardiovascular disease, 1.14 (95% CI: 1.06-1.23, I2 = 90.2%, n = 12) for total cancer, and 1.17 (95% CI: 1.14-1.19, I2 = 94.0%, n = 48) for all-cause mortality. There was a positive dose-response relationship for all outcomes except for atrial fibrillation for which there was a J-shaped association. CONCLUSION This meta-analysis found an increased risk of coronary heart disease, sudden cardiac death, heart failure, atrial fibrillation, stroke, cardiovascular disease, total cancer and all-cause mortality with greater resting heart rate.
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Affiliation(s)
- D Aune
- Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway; Department of Epidemiology and Public Health, Imperial College, London, UK; Bjørknes University College, Oslo, Norway.
| | - A Sen
- Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - B ó'Hartaigh
- Department of Radiology, Dalio Institute of Cardiovascular Imaging, New York-Presbyterian Hospital and the Weill Cornell Medical College, New York, USA; Department of Internal Medicine, Section of Geriatrics, Yale School of Medicine, Adler Geriatric Center, New Haven, USA
| | - I Janszky
- Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - P R Romundstad
- Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - S Tonstad
- Department of Preventive Cardiology, Oslo University Hospital Ullevål, Oslo, Norway
| | - L J Vatten
- Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
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Associations between elevated resting heart rate and subclinical atherosclerosis in asymptomatic Korean adults undergoing coronary artery calcium scoring. Int J Cardiovasc Imaging 2016; 32:1587-93. [PMID: 27443318 DOI: 10.1007/s10554-016-0944-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 07/18/2016] [Indexed: 10/21/2022]
Abstract
Elevated resting heart rate (RHR) and the presence of coronary artery calcium (CAC) are closely related with inflammatory activity and cardiovascular disease outcomes. To date, however, the relationship between a high RHR and CAC has not been well studied, especially in non-western populations. We therefore aimed to examine the cross-sectional relationship between high RHR and the burden of subclinical atherosclerosis as measured by CAC score in a large sample of Korean adults. A total 26,018 subjects were enrolled and underwent CAC screening as part of a broader general health examination. RHR was categorized into four groups as: <60, 60-69, 70-79, and ≥80 beats per minute. Multivariable logistic regression models were employed to estimate the odds of having a CAC score of either >0, >100, or >400 based on RHR. Mean age of the study population was 53.9 ± 8.2 years, and 79.7 % were male. After adjustment, each 10 beat per minute increment in RHR was associated with greater odds of having a CAC score above 100 (OR 1.13, 95 % CI 1.08-1.18) or 400 (OR 1.22, 95 % CI 1.13-1.31). Likewise, following adjustment, the odds of having a CAC >100 or >400 for those with a RHR ≥80 beats per minute were 1.42 (95 % CI 1.19-1.69) and 1.86 (95 % CI 1.42-2.47), respectively, compared with those who had a RHR <60 beats per minute. In a large cohort of Korean adults, elevations in the RHR, particularly above 80 beats per minute, were found to be independently associated with the presence of subclinical atherosclerosis as measured by CAC scoring.
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Slow Heart Rate Predicts New Occurrence of Atrial Fibrillation. Heart Lung Circ 2015; 24:1087-93. [PMID: 26105987 DOI: 10.1016/j.hlc.2015.04.185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 04/25/2015] [Accepted: 04/29/2015] [Indexed: 01/19/2023]
Abstract
BACKGROUND This study aims to investigate the relation between baseline heart rate and new occurrence of AF in patients with mild symptoms. METHODS Patients without pre-existing AF or structural heart disease who underwent 24-hour electrocardiogram (ECG) monitoring for palpitations, dizziness or syncope were followed up for new-onset AF. RESULTS 428 patients (mean age 66.6±10.2 years, 43.7% male) were classified according to the average heart rate into four quartiles (1(st) quartile: <63 beat per minute (bpm); 2(nd) quartile: 63-70 bpm; 3(rd) quartile 70-77 bpm; and 4(th) quartile: >77 bpm). There were no significant differences in gender, prevalence of diabetes, hypertension, left ventricular ejection fraction, or medications but a higher prevalence of coronary artery disease was noted among patients in the lower quartiles of average heart rate. After a mean follow-up of 5.8±1.8 years, 60 patients (14.0%) developed new-onset AF. The annual incidence of new-onset AF was highest amongst those at the lowest quartile of average heart rate (9.39%/year) as compared to those amongst other quartiles. Cox regression analysis revealed that increasing age, decreasing quartile of average heart rate, and the use of calcium channel blocker were associated with increased risk of new-onset AF. CONCLUSIONS Average heart rate predicts new AF.
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Rivarola E, Hardy C, Sosa E, Hachul D, Furlan V, Raimundi F, Scanavacca M. Selective atrial vagal denervation guided by spectral mapping to treat advanced atrioventricular block. Europace 2015; 18:445-9. [PMID: 26071235 DOI: 10.1093/europace/euv142] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 04/24/2015] [Indexed: 11/13/2022] Open
Abstract
AIMS Asymptomatic nocturnal long ventricular pauses are usually detected accidentally and it has been suggested that they may lead to sudden death. Identification of predisposing factors could prevent cardiovascular events. METHODS AND RESULTS We report the case of a patient with frequent asymptomatic nocturnal ventricular pauses of 3-11 s, characteristic of a vagally mediated atrioventricular (AV) block. Echocardiography, treadmill test, thyroid function test levels, and polysomnogram were normal. In an attempt to reduce the risk, it was decided that an atrial vagal denervation induced by radiofrequency (RF) ablation (cardioneuroablation) could be useful. Spectral mapping was used to localize endocardial vagal innervation in the right and left aspects of the inter-atrial septum, responsible for the sinus node and AV node modulation, and RF pulses were applied in those sites only. After finishing the procedure, significant changes were observed in the heart rate (66-90 b.p.m.), atrial-His interval (115-74 ms), Wenckebach cycle length (820-570 ms), and sinus node recovery time (1100-760 ms). Follow-up Holter recording demonstrated that the number of ventricular pauses had reduced from 438 to 0. Heart rate and time domain characteristics were compatible with vagal denervation. CONCLUSION Ablation of the endocardial vagal innervation sites seems to be safe and efficient in reducing the frequency and the length of the ventricular pauses. It was possible by identifying certain spectral components of the atrial electrogram, resulting in a conservative approach.
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Affiliation(s)
- Esteban Rivarola
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil Totalcor Hospital, São Paulo, Brazil
| | - Carina Hardy
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil Totalcor Hospital, São Paulo, Brazil
| | - Eduardo Sosa
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil Totalcor Hospital, São Paulo, Brazil
| | - Denise Hachul
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil Totalcor Hospital, São Paulo, Brazil
| | | | - Fabrizio Raimundi
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil
| | - Mauricio Scanavacca
- Unidade Clínica de Arritmia, Heart Institute, University of São Paulo Medical School, Av Dr Eneas Carvalho de Aguiar 44, CEP 05403-000 São Paulo, Brazil Totalcor Hospital, São Paulo, Brazil
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