Noninvasive visualization of the cardiac venous system using multislice computed tomography

被引:180
作者
Jongbloed, MRM
Lamb, HJ
Bax, JJ
Schuijf, JD
de Roos, A
van der Wall, EE
Schalij, MJ
机构
[1] Leiden Univ, Med Ctr, Dept Cardiol, NL-2300 RC Leiden, Netherlands
[2] Leiden Univ, Med Ctr, Dept Radiol, NL-2300 RC Leiden, Netherlands
关键词
D O I
10.1016/j.jacc.2004.11.035
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVES We sought to evaluate the value of multislice computed tomography (MSCT) to depict the cardiac venous anatomy. BACKGROUND During cardiac resynchronisation therapy (CRT), left vcntricular (LV) pacing is established by a pacemaker lead in a tributary of the coronary sinus (CS). Knowledge of the CS anatomy and variations may facilitate the implantation of LV leads. METHODS The MSCT scans of 38 patients (34 men; age 60 +/- 12 years) were studied. Anatomical variants were divided in three groups, dependent on the continuity of the cardiac venous system at the crux cordis. The CS ostium and distances between the main tributaries were measured. RESULTS The most frequently observed variant had a separate insertion of the CS and the small cardiac vein in the right atrium (24 patients [63%]). In 11 patients (29%), there was continuity of the anterior and posterior venous system at the crux cordis. In three patients (8%), the posterior interventricular vein (PIV) did not connect to the CS. The mean distance from the PIV to the posterior vein of the left ventricle (PVLV) was 42.4 +/- 18.1 mm, from the PVLV to the left marginal vein (LMV) 39.9 +/- 15.6 mm, and from the LMV to the anterior interventricular vein 45.4 +/- 15.3 mm. The diameter of the CS ostium was 12.6 +/- 3.6 nun in anteroposterior and 15.5 +/- 4.5 turn in the superoinferior direction (p < 0.01). CONCLUSIONS The anatomy of the CS and its tributaries can be evaluated using MSCT. As substantial variation in anatomy was observed, pre-implantation knowledge of the venous anatomy may help to decide whether transvenous LV lead placement for CRT is feasible. (C) 2005 by the American College of Cardiology Foundation.
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页码:749 / 753
页数:5
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