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Tachycardia, Ventricular clinical trials

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NCT ID: NCT06046352 Completed - Clinical trials for Supraventricular Tachycardia

Symptom Burden Guiding Invasive Electrophysiological Study in Paroxysmal Supraventricular Tachycardia

BELIEVE-SVT
Start date: December 17, 2019
Phase:
Study type: Observational

BELIEVE-SVT is a European multi-centre, retrospective registry in tertiary hospitals performing electrophysiological study in patients with palpitations considered clinically suggestive of paroxysmal supraventricular tachycardia by a cardiologist and without electrocardiographic documentation of tachycardia or preexcitation. Clinical characteristics, results of electrophysiological study and ablation, complications, and clinical outcomes during follow-up will be analysed.

NCT ID: NCT05970120 Completed - Clinical trials for Ventricular Tachycardia

A Study of Intracardiac Ultrasound With the NUVISION NAV Ultrasound Catheter

Start date: September 5, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to assess the performance and safety of using the investigational catheter.

NCT ID: NCT05850741 Completed - Clinical trials for Ventricular Tachycardia

Prospective Cardiac Ultrasound Imaging Study With Demonstrator

CARDIOKIT
Start date: June 4, 2021
Phase: N/A
Study type: Interventional

The Prospective Cardiac Ultrasound Imaging Study is a single center, single arm, feasibility study. The study aims at collecting cardiac ultrasound data from patients diagnosed with ventricular tachycardia, during rest and short breath hold sequences. This study is part of the engineering studies linked to the CardioKit-Minimum Viable Product project. The CardioKit prototype used in the study can monitor cyclical heart-beat motion, cyclical respiratory motion and non-cyclical heart position changes while the patient is lying in supine position.

NCT ID: NCT05791032 Completed - Clinical trials for Ventricular Tachycardia

Sub Chronic Evaluation for ATP With an Extravascular Placed ICD Lead (STEP ICD) Study

Start date: September 5, 2023
Phase: N/A
Study type: Interventional

STEP ICD is a premarket, exploratory, early feasibility, interventional study designed to evaluate the preliminary safety and performance of the Investigational Devices. The study is intended to inform the final device design which will be further evaluated in traditional feasibility and /or pivotal clinical investigations. The primary safety objective is to characterize safety of the EV-ICD Lead through 3 months post-implant. The primary performance objective is to characterize sensing and conversion of induced VF with the EV-ICD Lead up to 3 months post-implant.

NCT ID: NCT05770921 Completed - Clinical trials for Paroxysmal Supraventricular Tachycardia

Pulsed Field Ablation for Paroxysmal Supraventricular Tachycardia(PSVT)

Start date: October 11, 2022
Phase: N/A
Study type: Interventional

The purpose of this study was to explore the safety and efficacy of a Pulsed Field Ablation Device and Force Sensing Pulsed Field Ablation Catheter in the treatment of Paroxysmal Supraventricular Tachycardia.

NCT ID: NCT05618717 Completed - Clinical trials for Ventricular Tachycardia

Surpoint Algorithm for Improved Guidance of Ablation for Ventricular Tachycardia

SURFIRE-VT
Start date: January 1, 2018
Phase:
Study type: Observational [Patient Registry]

Vistag SurPoint is a proprietary module that generates a numerical tag index which can be used as multiparametric lesion quality marker to guide ablation in the clinical setting for ablation of atrial arrhythmias. SurPoint tag index has studied to guide ablation of ventricular arrhythmias, such as premature ventricular complexes, but its effectiveness and safety for ablation of Ventricular Tachycardia in patient with Ischemic and Non-Ischemic Cardiomyopathies is not well established. In this single center prospective observation registry, a ventricular ablation strategy utilizing radiofrequency delivery duration cut off determined by a maximum Surpoint index value of 550 will be compared to conventional operator determined duration of radiofrequency delivery based on combination of time (i.e. 30, 60, 90, and 120 seconds), magnitude of impedance drop, attenuation of abnormal electrograms, and achieving non-capture with high-output pacing after ablation. The Surpoint Tag Index Ablation group will be matched with a control group of patients undergoing VT ablation using the conventional time-based radiofrequency strategy and the patients in this group will be selected using propensity matching based on relevant baseline patient and clinical characteristic variables. Primary outcomes of interest: Recurrence of sustained ventricular tachycardia or Internal Cardiac Defibrillator Therapy. Secondary outcomes of interest: Hospitalization for ventricular tachycardia, repeat ablation procedures, all-cause mortality, acute procedural complications, rate of steam pops during ablation procedures Follow up: Up to 24 months after ablation procedure. Follow up will be obtained by office visits and device interrogation reports.

NCT ID: NCT05373862 Completed - Clinical trials for Ventricular Tachycardia

A Study Assessing Arrhythmia Mapping With a Globe-Shaped, High-Density, Multi-Electrode Mapping Catheter

COSMOS
Start date: July 29, 2022
Phase: N/A
Study type: Interventional

The purpose of this study is to assess the performance and safety for the use of the investigational catheter for intracardiac mapping in the atria and ventricles.

NCT ID: NCT05352776 Completed - Clinical trials for Ventricular Tachycardia

Sensing and Defibrillation With a Commercially Available ICD Coupled With a Parasternal Extravascular Lead (SECURE EV) Study

SECURE EV
Start date: May 18, 2022
Phase: N/A
Study type: Interventional

The SECURE EV Study is a prospective, multi-center, single-arm study without concurrent or historical controls. The objectives of the study are 1) to characterize safety of the AtaCor EV-ICD Lead up to 90 days post-implant, and 2) to characterize sensing and conversion of induced VF up to 90 days post-implant.

NCT ID: NCT05331716 Completed - Clinical trials for Ventricular Tachycardia

Modification of the Local Abnormal Ventricular Activity Only

LAVAONLY
Start date: January 1, 2019
Phase:
Study type: Observational

Local abnormal ventricular activity (LAVA) is composed of high-frequency, mainly low voltage signals that represent near-field signals from slow-conducting tissue and thus potential VT isthmuses. The identification of LAVA potentials and their modification have usually been a complimentary component of the substrate-based modification of scar related ventricular arrhtyhmias. With better identification through technical solutions and improved algorithms, LAVA modification may be feasible for treatment in therapy refractory VT.

NCT ID: NCT05099289 Completed - Clinical trials for Ventricular Tachycardia

Parasternal Access for ShockS and Pacing With an acUtely Placed Less-invasive Lead for EV-ICD (PASS PULL EV-ICD) Study

PASS PULL
Start date: November 17, 2021
Phase: N/A
Study type: Interventional

The PASS PULL EV-ICD Study is a prospective, multi-center, single-arm study without concurrent or historical controls. This initial concept feasibility study is primarily intended to demonstrate that the EV-ICD Lead can be safely positioned within the anterior mediastinum as intended using the AtaCor delivery system. The study will secondarily characterize the ability for the EV-ICD Lead to facilitate VF sensing and defibrillation.