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- Klinische Studie NCT02799693
Intramural Needle Ablation for Ventricular Tachycardia
Outcomes of Intramural Needle Ablation for Recurrent Ventricular Tachycardia That Has Failed Conventional Radiofrequency Ablation
Studienübersicht
Status
Bedingungen
Detaillierte Beschreibung
This is an observational prospective cohort study of patients undergoing needle catheter ablation. Patients with recurrent sustained or incessant ventricular tachycardia who have recurrent monomorphic ventricular tachycardia that has failed antiarrhythmic drug therapy and prior catheter ablation who are undergoing intramural needle ablation for VT will be offered participation. Data will be collected during the procedure and during follow-up. Patients will be monitored in hospital for complications and during 6 months follow-up.
Data Collection:
Baseline Data: Baseline demographic information and a narrative medical history will be collected on all patients, including documentation of prior cardiac history, and arrhythmia history, as well as prior medications and cardiac procedures.
Procedural data: Details of the procedure including both procedural methods and arrhythmias induced, ablation parameters, needle deployments, recordings and response to procedure.
Followup data: Adverse events will be collected for events which are documented during enrollment and follow-up. During follow-up, hospitalizations will be collected, need for further procedures, implantable defibrillator therapies and procedures will be collected, as well as follow-up echocardiography findings.
Studientyp
Einschreibung (Tatsächlich)
Kontakte und Standorte
Studienorte
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Nova Scotia
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Halifax, Nova Scotia, Kanada, B3H 3A7
- QEII Health Sciences Centre
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
- Kind
- Erwachsene
- Älterer Erwachsener
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Patients undergoing catheter ablation using the needle ablation catheter for ventricular arrhythmias.
Exclusion Criteria:
- Patient refusal to participate
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Beobachtungsmodelle: Kohorte
- Zeitperspektiven: Interessent
Kohorten und Interventionen
Gruppe / Kohorte |
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Recurrent VT failing RF ablation
Patients undergoing intramural needle catheter ablation of recurrent monomorphic ventricular tachycardia who have failed prior attempted radiofrequency catheter ablation.
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Freedom from hospitalization for recurrent VT during 6 months following ablation
Zeitfenster: 6 months
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Control of VT as defined by: freedom from hospitalization for recurrent VT during the 6 months following ablation
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6 months
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Absence of serious adverse events attributable to the procedure which occur within 30 days of the ablation procedure
Zeitfenster: 6 months
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Absence of all serious adverse events that are potentially procedure related and occur within 30 days of the ablation procedure.
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6 months
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Acute Procedural Success
Zeitfenster: 6 hours
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Termination of at least one clinical or presumptive clinical monomorphic VT by RF ablation or rendering that VT no longer inducible
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6 hours
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Acute procedural complications
Zeitfenster: 24 hours
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Any complications occurring within 24 hours post procedure described as probably or possibly related to the VT catheter ablation procedure
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24 hours
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Number of inducible VT morphologies
Zeitfenster: 6 hours
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Number of VT morphologies induced during catheter ablation
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6 hours
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ICD therapy - shocks
Zeitfenster: 3 months
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Number of VT events treated with appropriate ICD shocks at 3 months post procedure
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3 months
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ICD therapy - shocks
Zeitfenster: 6 months
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Number of VT events treated with appropriate ICD shocks at 6 months post procedure
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6 months
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ICD therapy - ATP
Zeitfenster: 3 months
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Number of VT events treated with antitachycardia pacing (without shock) during 3 months follow-up post-ablation procedure
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3 months
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ICD therapy - ATP
Zeitfenster: 6 months
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Number of VT events treated with antitachycardia pacing (without shock) during 6 months follow-up post-ablation procedure
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6 months
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ICD Therapy
Zeitfenster: 3 months
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Number of VT events treated with antitachycardia pacing (with shock) during 3 months follow-up post-ablation procedure
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3 months
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ICD Therapy
Zeitfenster: 6 months
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Number of VT events treated with antitachycardia pacing (with shock) during 6 months follow-up post-ablation procedure
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6 months
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VT storm
Zeitfenster: 3 months
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Number of VT storm events during 3 months follow-up
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3 months
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VT storm
Zeitfenster: 6 months
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Number of VT storm events during 6 months follow-up
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6 months
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VT events
Zeitfenster: 3 months
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Difference in number of VT events during 3 months prior to and following procedure
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3 months
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VT events
Zeitfenster: 6 months
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Difference in number of VT events during 6 months prior to and following procedure
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6 months
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Recurrent VT
Zeitfenster: 6 months
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Time to first recurrent VT
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6 months
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Appropriate ATP
Zeitfenster: 6 months
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Time to first appropriate ATP
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6 months
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Appropriate ICD shock
Zeitfenster: 6 months
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Time to first appropriate ICD shock
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6 months
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VT Storm
Zeitfenster: 6 months
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Time to first VT storm
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6 months
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Antiarrhythmic Drug Therapy
Zeitfenster: 6 months
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Changes in antiarrhythmic drug therapy post-procedure
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6 months
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Total appropriate ICD shocks
Zeitfenster: 3 months
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Total number of appropriate ICD shocks during 3 months follow up
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3 months
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Total appropriate ICD shocks
Zeitfenster: 6 months
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Total number of appropriate ICD shocks during 6 months follow up
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6 months
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Mitarbeiter und Ermittler
Sponsor
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- Sapp002
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