Article Text


Clinical and research medicine: Arhythmias and intervention therapy
e0570 Can hatch score predict recurrence of atrial fibrillation after catheter ablation?
  1. Tang Ribo,
  2. Dong Jianzeng,
  3. Liu Xingpeng,
  4. Long Deyong,
  5. Yu Ronghui,
  6. Ma Changsheng
  1. Beijing An Zhen Hospital


Background HATCH score (1*hypertention+1*[age>75]+2*[stroke or transient ischaemic attack]+1*[chronic obstructive pulmonary disease]+2* [heart failure]) is an established predictor of progression from paroxysmal to persistent atrial fibrillation (AF). Whether atrial remodelling indexed by HATCH score could be a predictor of recurrence after catheter ablation of AF needs to be explored.

Methods The data of 608 consecutive AF patients who underwent an index circumferential pulmonary veins ablation were retrospectively analysed. Of these patients, 313 (51.5%) patients had HATCH=0, 225 (37.0%) patients had HATCH=1, 70 (11.5%) patients had HATCH≥2.

Results The patients with HATCH≥2 had significantly the largest left atrium size, the largest left ventricular end systolic diameter, and the lowest ejection fraction among the three HATCH categories. There were significant differences of the proportion of diabetes mellitus, statins medication, and angiotensin-converting enzyme inhibitors/angiotensin receptor blockers medications among the three HATCH categories. After a mean follow-up of 474±330 days, the recurrence rate were 36.4%, 38.7%, 34.3%, from HATCH=0 to HATCH≥2 categories (p=0.707). Univariate analysis revealed that nonparoxysmal AF, left atrium size, body mass index were predictors of AF recurrence. Multivariate analysis revealed that nonparoxysmal AF (HR=1.43, 95% CI 1.03 to 1.99, p =0.031) was the only independent predictor of AF recurrence. HATCH and left atrium size were not independent predictors of AF recurrence.

Conclusion HATCH has no value in prediction of AF recurrence after catheter ablation.

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