Photon-counting CT improves coronary stent image quality and detects in-stent restenosis with high sensitivity

Photon-counting CT reduced nondiagnostic coronary stents to 1.1% vs 46.8% for energy-integrating detector CT and achieved 100% sensitivity and negative predictive value for detecting ≥50% in-stent restenosis, with per-patient accuracy 90.48%.

• Per-patient specificity was 85.71% and positive predictive value was 77.78% for detecting ≥50% in-stent restenosis.
• Per-stent accuracy was 88.52%, with specificity 86.54% and positive predictive value 56.25%.
• This was a retrospective single-center study of 141 patients with coronary stents (70 scanned with photon-counting CT).

Automated summary

RadPigeon summaries are original and for information only. They are not clinical advice.