抽象的
可以以不同方式评估肺切除对功能能力的影响。本研究的目的是比较肺切除术和肺切除术对肺功能试验(PFT)的影响,运动能力和对症状的感知。六十八名患者接受了肺切除前(拍摄前)和3和6个月之前的功能评估功能评估。在50(36名男性和14名女性;平均年龄为61岁),进行肺并切除术,并在18名(13名男性和5名女性;平均年龄59 YRS)进行肺切除术。肺叶切除术后三个月,强制生命能力(FVC),强制呼气量在一秒(FEV1),总肺容量(TLC),肺部转移系数用于一氧化碳(TL,CO)和最大氧气吸收(V'O2,Max)显着低于拍摄性值,切除后3至6个月显着增加。肺切除术3个月后,所有参数明显低于嘌呤值,显着低于后杆菌值,并且在切除后的3至6个月内未恢复。在6个月后,与拍摄的比较,持续存在显着缺陷:对于FVC 7%和36%,FEV1 9%和34%,TLC 10%和33%,分别用于肺切除术和肺切除术;和v'o2,只有肺切除术后最多20%。锻炼受腿部所有患者的53%的腿部肌肉疲劳的限制。这不是通过肺切除术改变的,但随着呼吸困难,作为肺炎后的限制因素(61%的患者在3个月后6个月,在切除后6个月),呼吸困难因素是呼吸困难因素。 Furthermore, pneumonectomy compared to lobectomy led to a significantly smaller breathing reserve (mean +/- SD) (28 +/- 13 vs 37 +/- 16% at 3 months; and 24 +/- 11% vs 33 +/- 12% at 6 months post resection) and lower arterial oxygen tension at peak exercise 10.1 +/- 1.5 vs 11.5 +/- 1.6 kPa (76 +/- 11 vs 86 +/- 12 mmHg) at 3 months; 10.1 +/- 1.3 vs 11.3 +/- 1.6 kPa (76 +/- 10 vs 85 +/- 12 mmHg) at 6 months postresection. We conclude that measurements of conventional pulmonary function tests alone overestimate the decrease in functional capacity after lung resection. Exercise capacity after lobectomy is unchanged, whereas pneumonectomy leads to a 20% decrease, probably due to the reduced area of gas exchange.