Active clinical trials for "Arrhythmias, Cardiac"

The purpose of this study is to assess efficacy of prolonged Full Disclosure electrocardiogram (ECG) monitoring and signal analysis using advanced telemetric technology in comparison with a standard Holter ECG recording and an Event Holter recording to diagnose cardiac arrhythmia.

Arterial hypertension causes adverse effects on the entire cardiovascular system, with effects centrally such as diastolic dysfunction and structural changes of the left ventricle and, peripherally such as endothelial dysfunction and increased thickness of the vessels. Co-existing diseases, such as diabetes mellitus, renal dysfunction, sleep apnea, etc. further aggravate the prognosis of these patients. In addition the rate of patients aged > 65 years suffering from un-diagnosed or diagnosed arterial hypertension was 78% for women and 64% for male patients. This population consists from elderly or very elderly patients (over 65 and 80 years respectively) who exhibit more comorbidities and probably less compliance with antihypertensive therapy. Finally, at every age the disease and its effects can affect the quality of life of patients. The main purpose of this study is to investigate the efficacy of antihypertensive therapy (irbesartan alone or in combination with amplodipine and carvedilol) on the cardiovascular system (diastolic left ventricular function, the function of the endothelium (FMD) and the thickness of the common carotid artery). The secondary objective of the study is to monitor the quality of life (Quality of Life - QoL) of patients. Additionally the investigators will seek the correlation of results with co-morbidities, compliance, and patient age.

The registry will obtain information to determine the safety of sports participation for patients with defibrillators (ICDs).

To investigate the relationship between the use of prescription drugs and the occurrence of ventricular arrhythmia and sudden death.

This post-marketing study is conducted to characterize the ability of Apple Watch rhythm analysis software to identify Atrial Fibrillation (AF) and facilitate subsequent clinical evaluation among users who contact AppleCare.

Cardiac arrythmias are the most common cardiac complications after thoracic surgery. They are made primarily of postoperative atrial fibrillation (POAF). They are associated with an increased risk of stroke, increased length of hospital stay and cost of care, and increased long-term mortality. Randomized , single-blind prospective study in the anesthesia and intensive care department of Abderrahmen Mami hospital Ariana Tunisia comparing the efficacy of Diltiazem versus Celiprolol in the prevention of postoperative cardiac arrythmias in patients proposed for pneumonectomy and bilobectomy.

This study is designed to collect parallel intracardiac signal data during pre-defined periods of clinical interest from the PURE EP system and the existing signal recording and mapping systems. The collected signals will then undergo BLINDED, CONTROLLED evaluation by unbiased electrophysiologist reviewer(s) to determine whether the PURE EP signals provides additional or clearer diagnostic information.

Researchers are trying to determine if heart injury occurs in subjects who undergo direct current cardioversion.

The POWER FAST I pilot study is a unicentric, observational, non-randomized controlled clinical study. In the control group pulmonary veins isolation was performded in consecutive patients with irrigated radiofrequency cateters without contact force-sensing capabilities and using conventional low-power and long-duration radiofrequency parameters (20-30 W, 30-60 s) under continuous intracardiac-echo image and esophageal temperature monitoring. The study group consist of consecutive patients distributed in three succesive subgroups. In the study group radiofrequency ablation was performed using a point-by-point technique with contact-force catheters with different high-power and short-duration parameters: Subgroup 50W: power 50 W, application duration ≤ 30 s, target lesion index: LSI ≥ 5 or Ablation Index ≥ 350 (posterior wall) or ≥400 (anterior wall). Subgroup 60W: power 60 W, application duration 7-10 s, contact force ≥5 g. Subgroup 70W: power 70 W, application duration 9 s, contact force ≥5 g. The safety endpoint was evaluated with systematic esophageal endoscopy performed <72 h after the index procedure. The efficacy endpoint was evaluated: during the ablation procedure: acute procedural efficacy, firts-pass isolation of ipsilateral pulmonary veins, total radiofrequency and procedural time, acute reconnections and dormant conduction, during the follow-up: any atrial tachycardias documented and longer than 30 s were considered recurrences.

Abiraterone associated with prednisone is used in prostate cancer. Abiraterone is a selective small-molecule inhibiting cytochrome P450 17A1 (CYP17A1), a key enzyme in androgen synthesis. CYP17A inhibition is also responsible for mineral corticosteroid related adverse events as hypokaliemia, fluid retention, and hypertension. Primary hyperaldosteronism is associated with cardiovascular toxicities such as atrial fibrillation and cardiac failure. Other androgen-deprivation therapies are not associated with increased mineral corticosteroid level. This study investigates reports of cardiovascular toxicities for treatment including L02 (sex hormones used in treatment of neoplastic diseases), and G03 (sex hormones) used in prostate cancer in the French pharmacovigilance database and in the EudraCT database.