摘要
目的观察老年慢支者 QTc间期的延长及死亡率。方法选择 210例老年慢支患者入院后第一次 EKG检查，取 QRS波起点和 T波最清楚的导联，排除 U波的影响，测量Ⅱ导联的三个 QT间期和 RR间期，取其平均值，据 Bazett公式，算出 QTc间期。结果慢支患者 QTc延长，与是否合并呼衰或心衰及心肺外疾病无关；与并发肺心病（ P<0.05）有关； QTc延长后死亡率（ P<0.01）增加。结论可能慢支患者并发肺心病时， QTc易延长，死亡率增加。
Objective To observe the prolongation of the QTc and whether it leads to an increase in mortality in elderly people with chronic bronchitis.Methods 210 cases were selected and examined by EKG after being admitted to hospital,three leads with clear QRS initiation and T waves were selected to get rid of the influence of U waves,their QT and RR intervals were measured and their average values were calculated according to the Bazett's equation,thus obtained the QTc intervals.Results Prolongation of QTc was relevant to pulmonary heart disease,but had nothing to do with respiration failure or heart failure or co－ existent disease.After the prolongation of QTc,mortality increased.Conclusions When the patients with chronic bronchitis are complicated by pulmonary heart disease,QTc is subject to prolongation and perhaps the mortality would increase.
出处
《老年医学与保健》
CAS
2001年第1期41-42,共2页
Geriatrics & Health Care
