Hu Sanjue, Fan Jinzhi, (Department of Physiology, the Fourth Military Medical College.)
Duan Xinmin, (Department of Physics, the Fourth Military Medical College.)
Qin Xueli, Dong Xueshi, Lin Xiaoming, (Hospital of Henyang, the Air Force, P.L.A.)
Mao Renchu, Xiang Guoying, (Shaodong Hospital, Hunan.)
In 46 cases of abdominal operation using the "Du-channel" (point of "Zhiyang" and "Jichung" etc. on the back) acupuncture anesthesia, pain threshold of skin before and after acupuncture anesthesia and the painful reactions including browsknitting, groaning and change in respiratory movement in the course of operation were determined. It was observed that after acupuncture anesthesia pain threshold tested by iontophoresis of potassium ions through the abdominal skin increased more than two fold, and that tested by pressing the skin increased about one fifth fold. In both tests the differences in pain threshold before and after the acupuncture anesthesia were statistically very significant. The analgesia effect was satisfactory in about half of the cases. They kept conscious and quiet, their respiration was calm throughout the operation. Their mean brows-knitting-time was 35 sec. per hour in the course of operation, and the groaning-time was only 2 sec. This result indicated that "Du-channel" acupuncture anesthesia did raise the pain threshold of the skin and reduced the painful reactions.
A comparison of 5 cases of acupuncture anesthesia with 4 cases of epidural anesthesia for the same operations showed that the brows-knitting-time in the former cases was longer than that in the latter during opening and closing the abdominal wall, but during exploring and stretching the viscera the brows-knitting-time and the groaning-time in the former were much shorter than those in the latter.
By comparison of the indices of pain, it was found that not only the brows-knitting reaction was related closely to the patient's feeling of pain, but the brows-knitting-time was mostly in accord with the clinical classification of the effectiveness of acupuncture anesthesia. Thus we designed an apparatus, called frown-clock, which records the brows-knitting-time automatically during the operation and took the brows-knitting-time as a simple objective index in assessment of effectiveness of acupuncture analgesia. To our experience, we proposed the following criteria to assess the efficacy of acupuncture analgesia in terms of brows-knitting-time: brows-knitting-time 0--2' per hour of operation represent first grade of analgesia; 2'1"--5' second grade; 5'1"--10' third grade; over 10' the fourth grade.
Duan Xinmin, (Department of Physics, the Fourth Military Medical College.)
Qin Xueli, Dong Xueshi, Lin Xiaoming, (Hospital of Henyang, the Air Force, P.L.A.)
Mao Renchu, Xiang Guoying, (Shaodong Hospital, Hunan.)
In 46 cases of abdominal operation using the "Du-channel" (point of "Zhiyang" and "Jichung" etc. on the back) acupuncture anesthesia, pain threshold of skin before and after acupuncture anesthesia and the painful reactions including browsknitting, groaning and change in respiratory movement in the course of operation were determined. It was observed that after acupuncture anesthesia pain threshold tested by iontophoresis of potassium ions through the abdominal skin increased more than two fold, and that tested by pressing the skin increased about one fifth fold. In both tests the differences in pain threshold before and after the acupuncture anesthesia were statistically very significant. The analgesia effect was satisfactory in about half of the cases. They kept conscious and quiet, their respiration was calm throughout the operation. Their mean brows-knitting-time was 35 sec. per hour in the course of operation, and the groaning-time was only 2 sec. This result indicated that "Du-channel" acupuncture anesthesia did raise the pain threshold of the skin and reduced the painful reactions.
A comparison of 5 cases of acupuncture anesthesia with 4 cases of epidural anesthesia for the same operations showed that the brows-knitting-time in the former cases was longer than that in the latter during opening and closing the abdominal wall, but during exploring and stretching the viscera the brows-knitting-time and the groaning-time in the former were much shorter than those in the latter.
By comparison of the indices of pain, it was found that not only the brows-knitting reaction was related closely to the patient's feeling of pain, but the brows-knitting-time was mostly in accord with the clinical classification of the effectiveness of acupuncture anesthesia. Thus we designed an apparatus, called frown-clock, which records the brows-knitting-time automatically during the operation and took the brows-knitting-time as a simple objective index in assessment of effectiveness of acupuncture analgesia. To our experience, we proposed the following criteria to assess the efficacy of acupuncture analgesia in terms of brows-knitting-time: brows-knitting-time 0--2' per hour of operation represent first grade of analgesia; 2'1"--5' second grade; 5'1"--10' third grade; over 10' the fourth grade.
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