Liu Lei, Wang Min-Jun, Wu Li-Bin, Hu Ling, Zhao Li-Na, Jiang Zhi-Ming, Li Xiao-Jia, Wu Zi-Jian, Cai Rong-Lin
College of Acupuncture and Massage, Anhui University of Chinese Medicine, Hefei 230012, China.
College of Acupuncture and Massage, Anhui University of Chinese Medicine, Hefei 230012, China; Institute of Acupuncture and Meridian, Anhui Academy of Chinese Medicine, Hefei 230038.
Zhen Ci Yan Jiu. 2020 May 25;45(5):396-401. doi: 10.13702/j.1000-0607.190602.
To observe the impact of moxa-stick with different diameters and at different distances on skin temperature in local "Zusanli"(ST36) region, so as to select suitable specifications for moxibustion.
A total of 120 male SD rats were randomly divided into diameters of 0.5, 0.9, 1.2 and 1.8 cm, and distances of 1, 2, 3, 4 and 5 cm groups, with 6 rats in each group. Moxa-stick with different diameters mentioned above was applied to the right ST36 (right hind limb) for 10 min every time at different distances (between the ignited moxa-stick tip and the skin) mentioned above, and the left ST36 was used as the control point. The skin temperature was detected by using an infrared thermometer.
After application of moxibustion to ST36 region, the skin temperature was increased gradually along with the increased diameter of moxa-sticks and decreased along with the increased distance from the ignited moxa-stick tip to the skin. There were no significant changes in the skin temperature of the left control acupoint ST36. The skin temperature was below 40 ℃, between 43 to 55 ℃, over 43℃ and between 43 to 61 ℃, when the moxa-stick was 0.5 cm, 0.9 cm, 1.2 cm and 1.8 cm in diameter, and was kept 1, 2, 3 and 3 to 5 cm away from the skin surface, respectively. When the moxa-stick with a diameter of 1.8 cm was kept at a distance of 1 to 2 cm, the skin temperature reached 71 to 93 ℃ to cause obvious local burn lesion.
During moxibustion, the ignited moxa-sticks with diameters of 0.5, 0.9, 1.2 and 1.8 cm are suitable to be kept less than 1, 1 to 2, 2 to 3, and 3 to 5 cm away from the skin surface of ST36, respectively.
观察不同直径艾条及不同距离施灸对局部“足三里”（ST36）区域皮肤温度的影响，以筛选合适的艾灸规格。
将120只雄性SD大鼠随机分为艾条直径0.5、0.9、1.2和1.8 cm组，以及距离1、2、3、4和5 cm组，每组6只。将上述不同直径的艾条在上述不同距离（点燃的艾条顶端与皮肤之间）对右侧ST36（右后肢）每次施灸10分钟，左侧ST36作为对照点。使用红外体温计检测皮肤温度。
对ST36区域施灸后，皮肤温度随艾条直径增大而逐渐升高，随点燃的艾条顶端与皮肤距离增大而降低。左侧对照穴位ST36的皮肤温度无明显变化。当艾条直径为0.5 cm、0.9 cm、1.2 cm和1.8 cm，且分别与皮肤表面保持1、2至3、3至5 cm距离时，皮肤温度分别低于40℃、在43至55℃之间、超过43℃以及在43至61℃之间。当直径为1.8 cm的艾条与皮肤保持1至2 cm距离时，皮肤温度达到71至93℃，导致明显的局部烧伤病变。
艾灸时，直径为0.5、0.9、1.2和1.8 cm的点燃艾条分别适合与ST36皮肤表面保持小于1、1至2、2至3和3至5 cm的距离。
