Acupuncture for chronic stable angina pectoris based on the theory of Meridian-Viscera Association: study protocol for a multicenter randomized controlled trial

Figures

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  Fig. 1. Flowchart of the study design

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  Fig. 2. Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) schedule. VAS, visual analog scale; TIB, total ischemia burden; HRV, heart rate variability; QTd, QT dispersion; SAQ, score of Seattle Angina Questionnaire; SF-MPQ, Short-Form of McGill Pain Questionnaire; SAS, self-rating anxiety scale; SDS, self-rating depression scale

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  Fig. 3. Locations of Acupoints. CV14 (Juque), on the anterior meridian line of the upper abdomen,6 cun above the navel. BL15 (Xinshu), on the back,1.5 cun on the lateral to the lower border of the spinous process of the 5th thoracic vertebra. HT7 (Shenmen), on the wrist, at the ulnar end of the transverse crease of the wrist, in the depression on the radial side of the tendon of the flexor carpi ulnaris. HT6 (Yinxi), on the palmar side of the forearm, the point is on the radial side of the tendon of the flexor carpi ulnaris,0.5 cun above the transverse crease of the wrist. HT5 (Tongli), on the palmar side of the forearm, the point is on the radial side of the tendon of the flexor carpi ulnaris,1 cun above the transverse crease of the wrist. LU9 (Taiyuan), on the radial side of the transverse crease of the wrist, where the radial artery pulsates. LU7 (Lieque), on the radial margin of the forearm,1.5 cun above the transverse crease of the wrist, between the brachioradial muscle tendon and the long abductor muscle tendon of thumb. LU6 (Kongzui), on the radial palmar side of the forearm, on the line connecting Chize (LU5) with Taiyuan (LU9),7 cun above the transverse crease of the wrist.