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1983年7月 Telectronic 公司向医院提出,以CRC800串联电池为能源的 Telectronic 各种型号起搏器(160B,161,171,171E,173和280型),预期寿命易变,故对使用这些起搏器的病人须随访和严密监护。本文随访了65例使用这些起搏器的病人,男30人,女35人,年龄32～94岁。方法:起搏器寿命的计算是以起搏频率比植入时降低5.5bpm(beat per minure)作为终末期(end-of-life,EOL)。以起搏频率对时间的最小平方线性回归(least squares linear regression)来预测Eol,此过程由计算机实现,输出用一次方程表示:R=MT+C
In July 1983, Telectronic proposed to the hospital that various models of Telectronic pacemakers (models 160B, 161,171,171E, 173 and 280) powered by CRC800 tandem cells have variable life expectancy. Therefore, patients with these pacemakers Must be followed up and closely monitored. This article followed 65 cases of patients using these pacemakers, 30 males and 35 females, aged 32 to 94 years. METHODS: Pacemaker life was calculated as an end-of-life (EOL) reduction of pacing rate by 5.5 bpm (beat per minure) at implantation. Eol is predicted by the least squares linear regression of pacing frequency versus time, which is computer implemented and the output is expressed as a linear equation: R = MT + C