Atrial tissue Doppler imaging for prediction of new-onset atrial fibrillation

被引:142
作者
De Vos, C. B. [1 ]
Weijs, B.
Crijns, H. J. G. M.
Cheriex, E. C.
Palmans, A.
Habets, J.
Prins, M. H.
Pisters, R.
Nieuwlaat, R.
Tieleman, R. G. [2 ]
机构
[1] Maastricht Univ Med Ctr, Dept Cardiol, NL-6202 AZ Maastricht, Netherlands
[2] Martini Hosp Groningen, Groningen, Netherlands
关键词
RISK-FACTORS; NATURAL-HISTORY; RHYTHM CONTROL; FOLLOW-UP; P-WAVE; STROKE; DURATION; HYPERTENSION; PROGNOSIS; INTERVAL;
D O I
10.1136/hrt.2008.148528
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: The total atrial conduction time (TACT) is an independent predictor of atrial fibrillation (AF). A new transthoracic echocardiographic tool to determine TACT by tissue Doppler imaging (PA-TDI (the time from the initiation of the P wave on the ECG (lead II) to the A' wave on the lateral left atrial tissue Doppler tracing)) has been developed recently. Objective: To test the hypothesis that measurement of PA-TDI enables prediction of new-onset AF. Methods: 249 Patients without a history of AF were studied. All patients underwent an echocardiogram and the PA-TDI interval was measured. Patient characteristics and rhythm at follow-up were recorded. Results: During a mean (SD) follow-up of 680 (290) days, 15 patients (6%) developed new-onset AF. These patients had a longer PA-TDI interval than patients who remained in sinus rhythm (172 (25) ms vs 150 (20) ms, p = 0.001). Furthermore, the patients developing AF were older, more often had a history of heart failure or chronic obstructive pulmonary disease, more often used a blockers, had enlarged left atria and more frequently mitral incompetence on the echocardiogram. After adjusting for potential confounders, Cox regression showed that PA-TDI was independently associated with new-onset AF (OR = 1.375; 95% CI 1.037 to 1.823; p = 0.027). The 2-year incidence of AF was 33% in patients with a PA-TDI interval >190 ms versus 0% in patients with a PA-TDI interval <130 ms (p = 0.002). Conclusions: A prolonged PA-TDI interval may predict the development of new-onset AF. This measure may be used to identify patients at risk in future strategies to prevent the development or complications of AF.
引用
收藏
页码:835 / 840
页数:6
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