Long-Term, Time-Dependent Effects of Spinal Cord Stimulation for Refractory Angina Pectoris: A Prospective, Longitudinal Study
Summary
This prospective longitudinal study followed 18 patients with refractory angina pectoris receiving spinal cord stimulation for 36 months. Significant improvements were observed in Canadian Cardiovascular Society grade, ejection fraction, pain scores, quality of life, and depressive symptoms, with most effects emerging within the first six months but continuing to accumulate over time.
Why it matters
The study provides compelling long-term evidence for SCS in cardiac applications, demonstrating cumulative physiological benefits over three years. These findings support broader adoption of SCS for refractory angina and highlight the importance of sufficient follow-up periods in neuromodulation trials.
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