Cohn P F
Cardiol Clin. 1986 Nov;4(4):727-33.
There is some evidence that alterations in pain perception are present in patients with coronary artery disease and painless myocardial ischemia, but whether endorphins are implicated is still unclear. Further studies are also needed to document the validity of various theories of the cardiac pain mechanism itself, especially the existence of specific nociceptive sympathetic fibers.
有证据表明，冠状动脉疾病和无痛性心肌缺血患者存在疼痛感知改变，但内啡肽是否与之有关仍不清楚。还需要进一步研究来证实心脏疼痛机制各种理论的有效性，特别是特定伤害性交感神经纤维的存在。
