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CARDIOVASCULAR DISEASES (339 journals)                  1 2 | Last

Showing 1 - 200 of 339 Journals sorted alphabetically
Acta Angiologica     Open Access   (Followers: 5)
Acta Cardiologica     Hybrid Journal   (Followers: 2)
Acute Cardiac Care     Hybrid Journal   (Followers: 9)
Adipositas - Ursachen, Folgeerkrankungen, Therapie     Hybrid Journal  
AJP Heart and Circulatory Physiology     Hybrid Journal   (Followers: 12)
Aktuelle Kardiologie     Hybrid Journal   (Followers: 2)
American Heart Journal     Hybrid Journal   (Followers: 64)
American Journal of Cardiology     Hybrid Journal   (Followers: 72)
American Journal of Cardiovascular Drugs     Hybrid Journal   (Followers: 21)
American Journal of Hypertension     Hybrid Journal   (Followers: 29)
Anales de Cirugia Vascular     Full-text available via subscription   (Followers: 1)
Anatolian Journal of Cardiology     Open Access   (Followers: 6)
Angiología     Full-text available via subscription  
Angiologia e Cirurgia Vascular     Open Access   (Followers: 1)
Angiology     Hybrid Journal   (Followers: 3)
Annales de Cardiologie et d'Angéiologie     Full-text available via subscription   (Followers: 1)
Annals of Circulation     Open Access   (Followers: 2)
Annals of Noninvasive Electrocardiology     Hybrid Journal   (Followers: 1)
Annals of Pediatric Cardiology     Open Access   (Followers: 12)
AORTA     Open Access  
Archives of Cardiovascular Diseases     Full-text available via subscription   (Followers: 6)
Archives of Cardiovascular Diseases Supplements     Full-text available via subscription   (Followers: 4)
Archives of Cardiovascular Imaging     Open Access   (Followers: 2)
Archivos de cardiología de México     Open Access   (Followers: 1)
Argentine Journal of Cardiology (English edition)     Open Access   (Followers: 3)
Arquivos Brasileiros de Cardiologia     Open Access   (Followers: 2)
Arrhythmia & Electrophysiology Review     Open Access   (Followers: 1)
Arteriosclerosis, Thrombosis and Vascular Biology     Full-text available via subscription   (Followers: 34)
Artery Research     Hybrid Journal   (Followers: 5)
ARYA Atherosclerosis     Open Access  
ASAIO Journal     Hybrid Journal   (Followers: 4)
ASEAN Heart Journal     Open Access   (Followers: 3)
Asian Cardiovascular and Thoracic Annals     Hybrid Journal   (Followers: 2)
Aswan Heart Centre Science & Practice Services     Open Access   (Followers: 1)
Atherosclerosis : X     Open Access  
Bangladesh Heart Journal     Open Access   (Followers: 3)
Basic Research in Cardiology     Hybrid Journal   (Followers: 10)
BMC Cardiovascular Disorders     Open Access   (Followers: 25)
Brain Circulation     Open Access   (Followers: 1)
British Journal of Cardiology     Full-text available via subscription   (Followers: 18)
Canadian Journal of Cardiology     Hybrid Journal   (Followers: 18)
Cardiac Cath Lab Director     Full-text available via subscription  
Cardiac Electrophysiology Review     Hybrid Journal   (Followers: 2)
Cardiac Failure Review     Open Access   (Followers: 2)
Cardiocore     Full-text available via subscription   (Followers: 1)
Cardiogenetics     Open Access   (Followers: 4)
Cardiology     Full-text available via subscription   (Followers: 20)
Cardiology and Angiology: An International Journal     Open Access   (Followers: 1)
Cardiology and Therapy     Open Access   (Followers: 11)
Cardiology Clinics     Full-text available via subscription   (Followers: 14)
Cardiology in Review     Hybrid Journal   (Followers: 9)
Cardiology in the Young     Hybrid Journal   (Followers: 35)
Cardiology Journal     Open Access   (Followers: 6)
Cardiology Plus     Open Access   (Followers: 1)
Cardiology Research     Open Access   (Followers: 15)
Cardiology Research and Practice     Open Access   (Followers: 11)
Cardiopulmonary Physical Therapy Journal     Hybrid Journal   (Followers: 9)
Cardiorenal Medicine     Full-text available via subscription   (Followers: 1)
Cardiothoracic Surgeon     Open Access   (Followers: 2)
CardioVasc     Full-text available via subscription   (Followers: 1)
Cardiovascular & Haematological Disorders - Drug Targets     Hybrid Journal   (Followers: 2)
Cardiovascular & Hematological Agents in Medicinal Chemistry     Hybrid Journal   (Followers: 2)
CardioVascular and Interventional Radiology     Hybrid Journal   (Followers: 15)
Cardiovascular and Thoracic Open     Open Access  
Cardiovascular Diabetology     Open Access   (Followers: 10)
Cardiovascular Drugs and Therapy     Hybrid Journal   (Followers: 16)
Cardiovascular Endocrinology & Metabolism     Hybrid Journal   (Followers: 1)
Cardiovascular Engineering     Hybrid Journal   (Followers: 2)
Cardiovascular Engineering and Technology     Hybrid Journal   (Followers: 2)
Cardiovascular Intervention and Therapeutics     Hybrid Journal   (Followers: 6)
Cardiovascular Journal     Open Access   (Followers: 7)
Cardiovascular Journal of Africa     Full-text available via subscription   (Followers: 5)
Cardiovascular Journal of South Africa     Full-text available via subscription   (Followers: 2)
Cardiovascular Medicine in General Practice     Full-text available via subscription   (Followers: 7)
Cardiovascular Pathology     Hybrid Journal   (Followers: 4)
Cardiovascular Regenerative Medicine     Open Access  
Cardiovascular Research     Hybrid Journal   (Followers: 17)
Cardiovascular Revascularization Medicine     Hybrid Journal   (Followers: 1)
Cardiovascular System     Open Access  
Cardiovascular Therapeutics     Open Access   (Followers: 2)
Cardiovascular Toxicology     Hybrid Journal   (Followers: 8)
Cardiovascular Ultrasound     Open Access   (Followers: 5)
Case Reports in Cardiology     Open Access   (Followers: 8)
Catheterization and Cardiovascular Interventions     Hybrid Journal   (Followers: 4)
Cerebrovascular Diseases     Full-text available via subscription   (Followers: 3)
Cerebrovascular Diseases Extra     Open Access  
Chest     Full-text available via subscription   (Followers: 112)
Choroby Serca i Naczyń     Open Access   (Followers: 1)
Circulation     Hybrid Journal   (Followers: 285)
Circulation : Cardiovascular Imaging     Hybrid Journal   (Followers: 17)
Circulation : Cardiovascular Interventions     Hybrid Journal   (Followers: 20)
Circulation : Cardiovascular Quality and Outcomes     Hybrid Journal   (Followers: 13)
Circulation : Genomic and Precision Medicine     Hybrid Journal   (Followers: 17)
Circulation : Heart Failure     Hybrid Journal   (Followers: 32)
Circulation Research     Hybrid Journal   (Followers: 36)
Cirugía Cardiovascular     Open Access  
Clínica e Investigación en Arteriosclerosis     Full-text available via subscription  
Clínica e Investigación en arteriosclerosis (English Edition)     Hybrid Journal  
Clinical and Experimental Hypertension     Hybrid Journal   (Followers: 3)
Clinical Cardiology     Hybrid Journal   (Followers: 10)
Clinical Hypertension     Open Access   (Followers: 5)
Clinical Medicine Insights : Cardiology     Open Access   (Followers: 6)
Clinical Research in Cardiology     Hybrid Journal   (Followers: 5)
Clinical Research in Cardiology Supplements     Hybrid Journal  
Clinical Trials and Regulatory Science in Cardiology     Open Access   (Followers: 4)
Congenital Heart Disease     Hybrid Journal   (Followers: 7)
Congestive Heart Failure     Hybrid Journal   (Followers: 4)
Cor et Vasa     Full-text available via subscription   (Followers: 2)
Coronary Artery Disease     Hybrid Journal   (Followers: 3)
CorSalud     Open Access  
Critical Pathways in Cardiology     Hybrid Journal   (Followers: 5)
Current Cardiology Reports     Hybrid Journal   (Followers: 6)
Current Cardiology Reviews     Hybrid Journal   (Followers: 3)
Current Cardiovascular Imaging Reports     Hybrid Journal   (Followers: 1)
Current Cardiovascular Risk Reports     Hybrid Journal  
Current Heart Failure Reports     Hybrid Journal   (Followers: 5)
Current Hypertension Reports     Hybrid Journal   (Followers: 6)
Current Hypertension Reviews     Hybrid Journal   (Followers: 6)
Current Opinion in Cardiology     Hybrid Journal   (Followers: 13)
Current Problems in Cardiology     Hybrid Journal   (Followers: 3)
Current Research : Cardiology     Full-text available via subscription   (Followers: 1)
Current Treatment Options in Cardiovascular Medicine     Hybrid Journal   (Followers: 3)
Current Vascular Pharmacology     Hybrid Journal   (Followers: 5)
CVIR Endovascular     Open Access   (Followers: 1)
Der Kardiologe     Hybrid Journal   (Followers: 1)
Echo Research and Practice     Open Access   (Followers: 2)
Echocardiography     Hybrid Journal   (Followers: 4)
Egyptian Heart Journal     Open Access   (Followers: 2)
Egyptian Journal of Cardiothoracic Anesthesia     Open Access  
ESC Heart Failure     Open Access   (Followers: 4)
European Cardiology Review     Open Access   (Followers: 1)
European Heart Journal     Hybrid Journal   (Followers: 73)
European Heart Journal - Cardiovascular Imaging     Hybrid Journal   (Followers: 11)
European Heart Journal - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 2)
European Heart Journal - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart Journal : Acute Cardiovascular Care     Hybrid Journal   (Followers: 1)
European Heart Journal : Case Reports     Open Access   (Followers: 2)
European Heart Journal Supplements     Hybrid Journal   (Followers: 7)
European Journal of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 9)
European Journal of Cardio-Thoracic Surgery Supplements     Full-text available via subscription   (Followers: 2)
European Journal of Cardiovascular Nursing     Hybrid Journal   (Followers: 5)
European Journal of Heart Failure     Hybrid Journal   (Followers: 14)
European Journal of Preventive Cardiology.     Hybrid Journal   (Followers: 6)
European Stroke Organisation     Hybrid Journal   (Followers: 3)
Experimental & Translational Stroke Medicine     Open Access   (Followers: 10)
Expert Review of Cardiovascular Therapy     Full-text available via subscription   (Followers: 4)
Folia Cardiologica     Open Access  
Forum Zaburzeń Metabolicznych     Hybrid Journal  
Frontiers in Cardiovascular Medicine     Open Access   (Followers: 1)
Future Cardiology     Hybrid Journal   (Followers: 5)
General Thoracic and Cardiovascular Surgery     Hybrid Journal   (Followers: 4)
Global Cardiology Science and Practice     Open Access   (Followers: 5)
Global Heart     Hybrid Journal   (Followers: 3)
Heart     Hybrid Journal   (Followers: 52)
Heart and Mind     Open Access  
Heart and Vessels     Hybrid Journal  
Heart Failure Clinics     Full-text available via subscription   (Followers: 3)
Heart Failure Reviews     Hybrid Journal   (Followers: 3)
Heart India     Open Access   (Followers: 2)
Heart International     Full-text available via subscription  
Heart Rhythm     Hybrid Journal   (Followers: 13)
Heart Views     Open Access   (Followers: 2)
HeartRhythm Case Reports     Open Access  
Hearts     Open Access   (Followers: 1)
Hellenic Journal of Cardiology     Open Access   (Followers: 1)
Herz     Hybrid Journal   (Followers: 2)
High Blood Pressure & Cardiovascular Prevention     Full-text available via subscription   (Followers: 3)
Hypertension     Full-text available via subscription   (Followers: 24)
Hypertension     Open Access   (Followers: 2)
Hypertension in Pregnancy     Hybrid Journal   (Followers: 9)
Hypertension Research     Hybrid Journal   (Followers: 4)
Ibrahim Cardiac Medical Journal     Open Access  
IJC Heart & Vessels     Open Access   (Followers: 1)
IJC Heart & Vasculature     Open Access   (Followers: 1)
IJC Metabolic & Endocrine     Open Access   (Followers: 1)
Indian Heart Journal     Open Access   (Followers: 5)
Indian Journal of Cardiovascular Disease in Women WINCARS     Open Access  
Indian Journal of Thoracic and Cardiovascular Surgery     Hybrid Journal  
Indian Pacing and Electrophysiology Journal     Open Access   (Followers: 1)
Innovations : Technology and Techniques in Cardiothoracic and Vascular Surgery     Hybrid Journal   (Followers: 2)
Insuficiencia Cardíaca     Open Access  
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 7)
International Cardiovascular Forum Journal     Open Access  
International Journal of Angiology     Hybrid Journal  
International Journal of Cardiology     Hybrid Journal   (Followers: 17)
International Journal of Cardiology Hypertension     Open Access   (Followers: 1)
International Journal of Cardiovascular and Cerebrovascular Disease     Open Access   (Followers: 3)
International Journal of Cardiovascular Imaging     Hybrid Journal   (Followers: 2)
International Journal of Cardiovascular Research     Hybrid Journal   (Followers: 6)
International Journal of Heart Rhythm     Open Access  
International Journal of Hypertension     Open Access   (Followers: 8)
International Journal of Hyperthermia     Open Access  
International Journal of Stroke     Hybrid Journal   (Followers: 33)
International Journal of the Cardiovascular Academy     Open Access  
Interventional Cardiology Clinics     Full-text available via subscription   (Followers: 2)
Interventional Cardiology Review     Open Access  
JACC : Basic to Translational Science     Open Access   (Followers: 6)
JACC : Cardiovascular Imaging     Hybrid Journal   (Followers: 22)
JACC : Cardiovascular Interventions     Hybrid Journal   (Followers: 23)
JACC : Heart Failure     Full-text available via subscription   (Followers: 18)

        1 2 | Last

Similar Journals
Journal Cover
International Journal of Heart Rhythm
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2352-4197 - ISSN (Online) 2352-4200
Published by Medknow Publishers Homepage  [427 journals]
  • The role of remote monitoring for cardiac implantable electronic devices

    • Authors: Leah A John, Yuji Ishida, Michael R Gold
      Pages: 35 - 42
      Abstract: Leah A John, Yuji Ishida, Michael R Gold
      International Journal of Heart Rhythm 2019 4(2):35-42
      At present, remote monitoring (RM) is available for almost all cardiac implantable electronic devices. RM systems allow for enhanced surveillance and earlier detection of clinically significant events. In recent guidelines, RM is a Class I indication for device follow-up, and the Expert Consensus Statement endorses the use of RM to improve patient compliance. Many clinical studies including randomized clinical trials showed favorable outcomes with RM. This technology reduces costs, allows for early detection of arrhythmias, as well as lead to malfunctions. RM also lowers hospitalization rates, decreases inappropriate implantable cardioverter defibrillator shocks, and detects asymptomatic atrial fibrillation earlier than routine office visits. However, whether RM reduces mortality remains unclear. Prevention of heart failure exacerbation with early detection of surrogate markers of heart failure with RM has not been demonstrated using a single measure such as intrathoracic impedance. However, the use of multiple parameters has encouraging early results, showing improved detection of impending heart failure exacerbation.
      Citation: International Journal of Heart Rhythm 2019 4(2):35-42
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_4_19
      Issue No: Vol. 4, No. 2 (2020)
       
  • Atrial fibrillation, what exactly do we know? (English version)

    • Authors: Congxin Huang
      Pages: 43 - 47
      Abstract: Congxin Huang
      International Journal of Heart Rhythm 2019 4(2):43-47
      Trigger and reentry are the main mechanisms of atrial fibrillation (AF), but underlying diseases and causes may provide necessary conditions for trigger and reentry, which suggests the importance of primary prevention. For the treatment of AF itself, we should pay more attention to the methods of ablation to improve the long-term success rate. In addition, we should pay close attention to the stroke prevention by anticoagulation and left atrial appendage occlusion, to reduce the incidence of embolism events. This article reviews basic and clinical studies of AF over the past century.
      Citation: International Journal of Heart Rhythm 2019 4(2):43-47
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_4_20
      Issue No: Vol. 4, No. 2 (2020)
       
  • The advanced reference annotation algorithm: A novel approach to reference
           annotation for electroanatomic mapping

    • Authors: Martin Aguilar, Jonathan Yarnitsky, Lior Botzer, Vladimir Rubinstein, Elad Nakar, Vias Markides, Nicolas Derval, Matteo Anselmino, Jeffrey Winterfield, Daniel Melby, Ibrahim Marai, Mahmoud Suleiman, Christian Meyer, Paul C Zei
      Pages: 48 - 54
      Abstract: Martin Aguilar, Jonathan Yarnitsky, Lior Botzer, Vladimir Rubinstein, Elad Nakar, Vias Markides, Nicolas Derval, Matteo Anselmino, Jeffrey Winterfield, Daniel Melby, Ibrahim Marai, Mahmoud Suleiman, Christian Meyer, Paul C Zei
      International Journal of Heart Rhythm 2019 4(2):48-54
      Background: Reliable reference annotation is critical for accurate activation mapping. Currently used referencing algorithms can be limited by suboptimal detection and stability performance. The advanced reference annotation (ARA) algorithm, a novel algorithm using a weighted reference across multiple electrodes, has been developed to optimize reference annotation. Materials and Methods: To evaluate ARA, recordings using CARTO from 26 clinical cases with complex cardiac arrhythmias, representing mapping of various rhythms, were segmented into test vectors consisting of roughly 62,000 annotation events. These were annotated by an expert clinician (gold standard [GS]) and compared with the legacy/ARA algorithms on detection rate and stability and positive predictive value (PPV). Results: The ARA algorithm detection rate uniformly outperformed legacy, when compared with GS (97 ± 4% vs. 81 ± 19%, respectively; P = 0.001). ARA was performed with high fidelity with an average stability metric (the percentage of true positive ARA annotations within 10 ms of the GS annotation) of 98 ± 3% with most test vectors achieving perfect (100%) stability. Overall, the PPV of ARA annotations was 98 ± 4%; nearly all ARA-annotated activation corresponded to clinically observed events; ARA was superior to legacy across all analyzed test vectors (98 ± 4% vs. 88 ± 23%, P = 0.004); all ARA test vector groups had PPV >90%. Conclusion: The ARA algorithm outperformed the clinical standard, compared to an expert clinician GS. These improvements may translate into greater mapping accuracy/efficiency and procedural outcomes in diagnosis of complex cardiac arrhythmias.
      Citation: International Journal of Heart Rhythm 2019 4(2):48-54
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_1_20
      Issue No: Vol. 4, No. 2 (2020)
       
  • Electrophysiological and anatomical characteristics of pulmonary vein
           isolation with “crosstalk” effect during cryoballoon ablation
           (English version)

    • Authors: Lina Ma, Jian Ma, Huiqiang Wei, Jiandu Yang, Qi Sun, Haiyang Xie, Chao Li
      Pages: 55 - 60
      Abstract: Lina Ma, Jian Ma, Huiqiang Wei, Jiandu Yang, Qi Sun, Haiyang Xie, Chao Li
      International Journal of Heart Rhythm 2019 4(2):55-60
      Background: We aimed to explore the electrophysiological and left atrial anatomical characteristics of pulmonary vein isolation with the “crosstalk” technique during second-generation cryoballoon ablation and figure out a better practice of this technique. Subjects and Methods: A total of 504 patients (311 males and 193 females) with atrial fibrillation were included. All of these patients underwent initial ablation with second-generation cryoballoon. Among these patients, 89 patients (17.7%) did not achieve left/right superior pulmonary vein (LSPV/RSPV) isolation during first cryoablation. In the crosstalk group, there were 35 (39.3%) patients had “crosstalk” phenomenon. The remaining 54 patients (60.7%) without “crosstalk” were included in the control group. The baseline data, electrophysiological and anatomic characteristics of the left atrium were compared between crosstalk group and control group. The study was approved by the Ethics Committee of Fuwai Hospital, China. Results: In the crosstalk group, 33 patients (94.3%) had “crosstalk” phenomenon in the LSPV. The percentage of pulmonary vein potential (PVP) delay during first cryoablation was significantly increased in the crosstalk group compared with the control group (100% vs. 72.2%, P < 0.05). The total ablation time and frequency were significantly decreased in the crosstalk group compared with the control group (P < 0.05). As for the anatomic characteristics, the average distance from LSPV to inferior pulmonary vein, average distance of RSPV and inferior pulmonary veins were significantly shorter in the crosstalk group compared with the control group (P < 0.05). Conclusion: The “crosstalk” phenomenon was more frequent in the left pulmonary vein. Short distance between superior and inferior pulmonary vein and PVP delay during ablation could predict the “crosstalk” phenomenon.
      Citation: International Journal of Heart Rhythm 2019 4(2):55-60
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_2_20
      Issue No: Vol. 4, No. 2 (2020)
       
  • Permanent his bundle pacing guided by three-dimensional mapping system: An
           observational study (English version)

    • Authors: Jifang Ma, Xiaobiao Zang, Haixia Fu, Weifeng Song, Ke Chen, Xianqing Wang, Yonghui Zhao
      Pages: 61 - 67
      Abstract: Jifang Ma, Xiaobiao Zang, Haixia Fu, Weifeng Song, Ke Chen, Xianqing Wang, Yonghui Zhao
      International Journal of Heart Rhythm 2019 4(2):61-67
      Background: Permanent His bundle pacing (HBP) is a promising therapy in cardiac pacing field with high challenge of the heart structure. Cardiac mapping system provides us a comprehensive model of heart structure. The study aimed to investigate the feasibility and efficacy of HBP guided by three-dimensional (3D) mapping system. Subjects and Methods: Thirty patients undergoing permanent HBP through 3D mapping system were enrolled in this observational study between January 2016 and May 2018. The study was approved by the Ethics Review Committee of Fuwai Central China Cardiovascular Hospital. The average age of the study population was 59.2 years old, with 17 male patients. Factors including the whole operation time, the X-ray exposure time, the lead parameters, and QRS duration before and after the surgery were analyzed. Results: The study population was divided into two groups: 20 patients in selective HBP group (only capture His bundle) and 10 patients in nonselective HBP group (capture both His bundle and Para-Hisian ventricular tissue). The average whole operation time of HBP guided by 3D mapping system was 113 minutes, and there is no significant difference in the X-ray exposure time between selective HBP and nonselective HBP (P > 0.05). Four patients received HBP with zero fluoroscopy. The intraprocedural lead parameters threshold was significantly increased (1.80 ± 0.50 V vs. 1.21 ± 0.41 V) while sensing was significantly decreased (3.30 ± 0.63 mV vs. 7.40 ± 0.99 mV) in the selective HBP group compared with in the nonselective HBP group (P < 0.05 and P < 0.01). Conclusion: The permanent HBP guided by 3D mapping system was feasible clinically in decreasing X-ray exposure time and achieving perfect lead parameters.
      Citation: International Journal of Heart Rhythm 2019 4(2):61-67
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_3_20
      Issue No: Vol. 4, No. 2 (2020)
       
  • Diagnostic value of implantable loop recorders in unexplained syncope
           patients: A single-center experience

    • Authors: Minghui Yang, Rongfeng Zhang, Guocao Li, Danna Li, Xiaomeng Yin, Lianjun Gao, Yunlong Xia, Yingxue Dong
      Pages: 68 - 73
      Abstract: Minghui Yang, Rongfeng Zhang, Guocao Li, Danna Li, Xiaomeng Yin, Lianjun Gao, Yunlong Xia, Yingxue Dong
      International Journal of Heart Rhythm 2019 4(2):68-73
      Background: The role of implantable loop recorders (ILRs) in the evaluation strategy for recurrent syncope in China is limited. This study aimed to clarify the clinical usefulness of ILRs in the diagnosis and management of patients with unexplained syncope. Subjects and Methods: This was an observational cohort study in unexplained syncope patients. This retrospective study enrolled 37 patients (24 men and 13 women; mean age: 59.5 ± 19.1 years) who were implanted with ILRs and diagnosed with unexplained syncope in the First Affiliated Hospital of Dalian Medical University between January 2013 and October 2018. All patients were followed up every 3–6 months after implantation to record the patients' conditions, electrocardiogram (ECG) data, and presence of syncope. Any patients with a history of postimplantation syncope were recommended for prompt medical attention. The study was approved by the Institutional Review Board of the First Affiliated Hospital of Dalian Medical University (approval No. 2017-046) on March 22, 2017. Results: In the 37 patients, 22 (59.46%) experienced syncope within 187.73 ± 177.12 days after loop recorder implantation, including 9 cases of sinus bradycardia or sinus arrest, 6 of third-degree (advanced) atrioventricular block, 1 of ventricular tachycardia, 2 of supraventricular tachycardia, and 4 of atrial fibrillation accompanied by long RR intervals (>5 seconds). In addition, there was one syncope-free atrial fibrillation case with long RR intervals. Among all the patients, 16 were implanted with permanent pacemakers, 1 received an implantable cardioverter-defibrillator, and 2 received catheter ablation. Based on the analysis of sex, age, underlying comorbid conditions, preimplantation syncope episodes, and ECG data, syncope could be predicted from the occurrence of long RR intervals (≥2 seconds) on Holter. Conclusions: The ILR was an effective tool to establish the cause of unexplained syncope in 59.46% of the study patients and to assist these patients in medical treatment. The occurrence of long RR intervals (≥2 seconds) on Holter was an important predictor for arrhythmic syncope.
      Citation: International Journal of Heart Rhythm 2019 4(2):68-73
      PubDate: Mon,15 Jun 2020
      DOI: 10.4103/IJHR.IJHR_5_20
      Issue No: Vol. 4, No. 2 (2020)
       
 
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