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目的：探讨老年慢性阻塞性肺病（ＣＯＰＤ）和老年健康者肺功能随龄变化规律。方法：收集６０例老年ＣＯＰＤ患者（分为轻、中、重度组）缓解期和２０例老年健康者５年随访肺功能数据进行分析。结果：在健康组、ＣＯＰＤ轻度、中度、重度组ＶＣ、ＦＥＶ１、ＦＶＣ、ＰＥＦ４项指标年降值依次为ＰＥＦ＞ＦＥＶ１＞ＦＶＣ＞ＶＣ。以上４指标ＣＯＰＤ组随龄下降大于健康组。重度ＣＯＰＤ组随龄下降大于轻、中度组。结论：上述指标的规律性变化较好地反映了ＣＯＰＤ轻重程度，同时ＣＯＰＤ患者加速肺功能随龄下降，因此应积极防治ＣＯＰＤ。
Objective: To investigate the changes of lung function in elderly patients with chronic obstructive pulmonary disease (COPD) and elderly health. Methods: Sixty elderly COPD patients (divided into mild, moderate, and severe groups) and 20 elderly healthy subjects were enrolled in this study. Results: In the healthy group, the annual reductions of VC, FEV1, FVC and PEF4 in mild, moderate and severe COPD patients were PEF> FEV1> FVC> VC. The above 4 indicators of COPD group decreased with age more than healthy group. Severe COPD group with age decreased more than mild to moderate group. Conclusion: The regular changes of the above indexes reflect the severity of COPD well, and the COPD patients with accelerated pulmonary function decline with age, so COPD should be actively controlled.