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Invasive Confirmation of Microvascular Recovery Parallel to Left Ventricular Functional Restoration.
Takumi Toya1, Takumi Kondo2, Otoya Sekine2
1Department of Cardiology, NHO Tokyo Medical Center, Tokyo, Japan; Nishikoyama Toya Medical Clinic-Diabetes and Cardiovascular Care, Tokyo, Japan.
JACC. Case Reports
|March 20, 2026
Summary
Guideline-directed medical therapy (GDMT) improved coronary microvascular dysfunction (CMD) and heart failure symptoms in a patient. Invasive physiology confirmed restored microvascular function, demonstrating GDMT
Area of Science:
- Cardiology
- Vascular Biology
- Heart Failure Research
Background:
- Coronary microvascular dysfunction (CMD) is a significant factor in heart failure.
- Reversal of CMD with guideline-directed medical therapy (GDMT) is infrequently documented invasively.

