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December 1, 2000Pacing and Clinical ElectrophysiologyOpen Access

Diagnosis and Ablation of Atrial Flutter Using a High Resolution, Noncontact Mapping System

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Key result

Ablation of right atrial flutter using a high resolution noncontact mapping system achieved verified isthmus block in 15 of 15 patients with 0 recurrences over 4 months of follow-up.

Why the study?

Does a high resolution noncontact mapping system allow safe and effective diagnosis and ablation of atrial flutter?

Population

15 patients with atrial flutter, including 3 patients with recurrences after previous conventional ablation…

Design

Case_series

Follow-up

4 +/- 1.7 months

Authors

HSHeiko SchmittUniversity of ConnecticutSWStefan WeberAbu Dhabi UniversityHTHarald TillmannsUniversity of Southern California

Discussion

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Implication

Feasible in small case series with short follow-up; leaves open superiority over conventional mapping in prospective trials.

Study Design

Type

Observational (n=15)

Structured PICO

Does a high resolution noncontact mapping system allow safe and effective diagnosis and ablation of atrial flutter?

P
Population
15 patients with atrial flutter, including 3 patients with recurrences after previous conventional ablation procedures
I
Intervention
Diagnosis and ablation using a high resolution noncontact mapping system consisting of a catheter-mounted multielectrode array, an amplifier, and a computer workstation
O
Outcome
Isthmus block verification, procedural complications, and recurrences of atrial flutter

The use of a high resolution noncontact mapping system is safe and highly effective for the diagnosis and ablation of right atrial flutter, and may facilitate reablation in patients with previously failed procedures.

Cite This Study

Schmitt et al. (2000) conducted an observational in Atrial flutter (n=15). High resolution noncontact mapping system was evaluated on Isthmus block verification and recurrence of atrial flutter. Ablation of right atrial flutter using a high resolution noncontact mapping system achieved verified isthmus block in 15 of 15 patients with 0 recurrences over 4 months of follow-up.

synapsesocial.com/papers/6a10d0542c0ee39daeee3fb3https://doi.org/10.1111/j.1540-8159.2000.tb00776.x

Topics

AF ablation outcomes
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Radiofrequency catheter ablation for the treatment of human type 1 atrial flutter. Identification of a critical zone in the reentrant circuit by endocardial mapping techniques.1992 · 532 citations
  2. 2Inverse Relation of Body‐Surface Activation‐Recovery Interval and Recovery Time to Activation Time in Normal Subjects: Stronger Correlation and More Heterogeneous Distribution in Activation‐Recovery Interval Than in Recovery Time1999 · 4 citations
  3. 3Radiofrequency Catheter Ablation of Common Atrial Flutter in 200 Patients1996 · 103 citations
  4. 4Radiofrequency catheter ablation of atrial arrhythmias. Results and mechanisms.1994 · 463 citations
  5. 5Radiofrequency ablation of atrial flutter. Efficacy of an anatomically guided approach.1994 · 190 citations