发生并发症14例，均为采用心房电极起搏方式者。
A total of 14 complications developed only in those used atrial electrodes.
术中测定心房、心室起搏阈电压和电极阻抗，组间进行t检验。
The original values of lead impedance and pacing thresholds were tested and compared by t-test between groups.
结论普通心室电极经冠状窦中、远端行左心房起搏可行、安全，且价格便宜，适合临床应用。
Conclusion the ordinary ventricle lead, which is cheap, is feasible and safe for left atrium pacing through the middle and distal part of the coronary sinus and suitable for clinical application.
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