Key Finding
This trial protocol proposes TENS as a novel non-invasive intervention to reduce myocardial infarct size and improve outcomes in STEMI patients undergoing PCI, though results are pending.
Researchers are testing whether a treatment called transcutaneous electrical nerve stimulation (TENS) could help heart attack patients recover better after emergency procedures. When someone has a serious heart attack (called a STEMI), doctors quickly open blocked arteries using a procedure called PCI. However, restoring blood flow can sometimes cause additional damage called ischemia-reperfusion injury, and there are currently few treatments for this problem. TENS uses mild electrical currents applied through pads on the skin to stimulate nerves. It's already used for pain management and is known to be safe and well-tolerated by patients. Scientists believe TENS might help by affecting the nervous system in ways that could reduce heart damage and improve recovery. This study will involve 200 heart attack patients at multiple hospitals in China. Half will receive standard PCI treatment plus TENS therapy for 3 days, while the other half will receive only standard treatment. Researchers will measure heart damage markers, inflammation levels, heart function, and cardiovascular events over 12 weeks. The goal is to see if TENS can reduce the size of heart damage and improve outcomes. While this treatment uses electrical stimulation rather than needles, it shares similarities with electroacupuncture in targeting nerve pathways to influence the body's healing responses. This research is still in the study phase, so results aren't yet available. If you're interested in nerve stimulation or acupuncture-related therapies for cardiovascular health, consult a qualified acupuncturist or integrative medicine practitioner experienced in cardiac care.
This multicenter RCT (ChiCTR2400082515) will evaluate transcutaneous electrical nerve stimulation (TENS) for ischemia-reperfusion injury in STEMI patients post-PCI. The study will randomize 200 patients (1:1) to receive either standard PCI plus TENS for 3 days or standard PCI alone. The primary endpoint is myocardial infarct size measured by cardiac biomarkers, with secondary endpoints including inflammatory markers, myocardial injury markers, left ventricular function, heart rate variability, and major adverse cardiovascular events over 12 weeks follow-up. The intervention leverages TENS's established safety profile and its ability to modulate pain perception and autonomic activity through neural pathway stimulation. This protocol represents an innovative approach to addressing reperfusion injury, a significant gap in post-PCI management. While utilizing electrical stimulation rather than needling, the mechanism shares conceptual overlap with electroacupuncture's neuromodulatory effects on autonomic function and inflammatory responses in cardiovascular pathology.
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