中文摘要：

目的：观察针刺效应的传导和机械压迫经脉线对此效应的影响。方法：应用Frewil Q．F．型微量二氧化碳测定仪。20名健康志愿者（男8名，女12名，平均年龄29岁），针刺内关穴，检测针刺前后曲泽、经上非穴a点（天泉与曲泽连线下1／4处）、经上非穴b点（郄门与曲泽连线1／2处）的经皮二氧化碳释放量（TCE），并与非经非穴C点（a点尺侧旁开2cm）、非经非穴d点（b点尺侧旁开2cm）进行对照。然后用弹簧压力计分别在郄门和大陵进行机械压迫（压力1kg，面积1cm×2cm），观察其对针刺引起上述被测点TCE变化的影响。结果：针刺内关穴未压迫时，针刺中和针刺后曲泽、经上非穴a、b点的TCE明显增加（P〈0．05），而非经非穴c、d两点没有明显增加（P〉0．05）；机械压迫郄门再针刺内关，曲泽和经上非穴a、b点的TCE未出现明显增加（P〉0．05）。压迫大陵时，曲泽和经上非穴a点在针刺过程中TCE有明显增加，经上非穴b在起针并压迫时TCE亦有明显增加（P〈0．05）。结论：针刺能够提高经脉的能量代谢水平，而且这一效应能被机械压迫所阻断。

英文摘要：

Objective To investigate conduction of acupuncture effect and the influence of mechanical pressing meridians on it. Methods In twenty healthy volunteers （8 males and 12 females, aged 29 years on average）, by using a Frewil Q. F. apparatus, transcutaneous CO2 emission （TCE） was measured before, during and after acupuncture at Neiguan （PC6）, respectively. The locations being measured were Quze （PC3） and four points including two non-acupoints along the Pricardium Meridian （Point A and B） and two non-acupoints apart from the Pericardium Meridian （Point C and D）. Point A was located at the lower one fourth of the line connecting Tianquan （PC2） and Quze （PC3）, and Point B located at the middle of the line connecting Ximen （PC4） and Quze （PC3）. Point C was located 2 cm lateral on the ulnar side to Point A, and Point D located 2 cm lateral on the ulnar side to Point B. The above results were compared with those obtained after mechanical pressure of 1 kg （area 1 cm× 2 cm） applied on Ximen （PC 4） and Daling （PC 7）, respectively, to observe their effect on TCE. Results During and after acupuncture at Neiguan （PC 6） without mechanical pressure, TCE at Quze （PC 3）, point A and ]3 increased significantly （P〈0.05）, but not at point C and D （P〉0.05）. While applying mechanical pressure at Ximen （PC4）, no significant increase was found on the three points during and after acupuncture. When applying pressure at Daling （PC 7）, significant increases of TCE were also found at Quze （PC 3） and point A during acupuncture （P〈0. 05）, and a significant increase of TCE was found at point B after acupuncture with pressure keeping （P〈0. 05）. Conclusion Acupuncture can enhance energy metabolism along meridians, and this effect can be blocked by mechanical pressure.