Electrophysiological characteristics and radiofrequency ablation of right atrial flutter  

Oleh:

Yuniadi, Yoga ; Munawar, Muhammad ; Rachman, Otte J. ; Budhi Setianto ; Dede Kusmana

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Medical Journal of Indonesia vol. 16 no. 03 (Jul. 2007), page 151.
Topik: Atrial Flutter; Electrophysiology; Ablation

Ketersediaan

Perpustakaan FK Nomor Panggil: M35.K.2007.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This study aimed to elaborate the electrophysiology characteristics and radio frequency ablation (RFA) results of atrial flutter (AFL) which has not been established in Indonesia. Three multipolar catheters were inserted percutaneously and positioned into coronary sinus (CS), His bundle area and around tricuspid annulus. Eight mm ablation catheter was used to make linear ablation at CTI of typical and reverse typical AFL. Bidirectional block was confirmed by conduction time prolongation of more than 90 msec from low lateral to CS ostium and vice versa, and/or by means of differential pacing. Thirty AFLfrom 27 patients comprised of 19 typical AFL, 5 reverse typical AFL and 6 atypical AFL enrolled the study. Mean tachycardia cycle length (TCL) were 261.8 :!: 42.84, 226.5 :t 41.23, and 195.4 :t9.19 msec, respectively (p = 0.016). CTl conduction time occupied up to 60% ofTCL with mean conduction time of 153.0 :t 67.37 msec. CS activation distributed to three categories which comprised of proximal to distal, distal to proximal and fusion activation. Only nine of 27 patients had no structural heart disease. RFA of symptomatic typical and reverse typical AFL demonstrated 96% success and 4.5 % recurrence rate during 13 :!: 8 months follow up. Typical AFL is the predominant type of AFL in our population. The majority of AFL cases suffered from structural heart disease. RFA was highly effective to cure typical and reverse typical AFL. (Med J Indones 2007; 16:151-8)

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