Study on the Treatment of CCD Combined With Cardiac Dysfunction With Yangxinshi Tablets

"Basic treatment: All patients received a conventional treatment regimen, including outcome-improving drugs (aspirin, β-blockers, statins, and angiotensin-converting enzyme inhibitors (ACEIs)) and symptom-relieving drugs (nitrates, calcium antagonists, and diuretics).~Trial drug: Yangxinshi tablet, 3 tablets/3 times a day, taken orally"

"Basic treatment: All patients received a conventional treatment regimen, including prognosis-improving drugs (aspirin, β-blockers, statins, and ACEIs) and symptom-relieving drugs (nitrates, calcium antagonists, and diuretics).~Trial drug: Blank control"