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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
10:03

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

Cardiovascular events in patients with coronary plaque rupture and nonsignificant stenosis

Patrick Ohlmann1, Sang-Wook Kim, Gary S Mintz

  • 1Cardiovascular Research Institute/Medstar Research Institute, Washington Hospital Center, Washington, DC, USA.

The American Journal of Cardiology
|December 20, 2005
PubMed

Insights

Plaque rupture in nonflow-limiting coronary lesions, identified by intravascular ultrasound, had a low event rate. Only 18% of patients experienced cardiac events, including one death and two revascularizations, over a mean follow-up of 43 months.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Biology

Background:

  • The clinical significance of plaque rupture in nonflow-limiting coronary artery lesions remains uncertain.
  • Optimal management strategies for these specific lesions are not well-defined.

Purpose of the Study:

  • To investigate the long-term clinical outcomes of patients with intravascular ultrasound-identified plaque rupture in nonflow-limiting coronary lesions.
  • To determine the incidence of major adverse cardiac events in this patient cohort managed conservatively.

Main Methods:

  • Retrospective analysis of 17 consecutive patients.
  • Intravascular ultrasound (IVUS) used to identify plaque rupture in nonflow-limiting lesions (minimum lumen area >4.0 mm2).
  • Patients did not undergo coronary intervention for these specific lesions.

Main Results:

  • Mean follow-up duration was 43 ± 25 months.
  • One death (6%) of undetermined cause occurred late (69 months).
  • Two revascularizations (12%) were performed at 3 and 67 months; no myocardial infarctions were reported.
  • Overall cumulative rate of cardiac events was 18%.

Conclusions:

  • Plaque rupture in nonflow-limiting coronary lesions may have a favorable long-term prognosis when managed without intervention.
  • Conservative management appears to be a viable option for selected patients with nonflow-limiting ruptured plaques.
  • Further prospective studies are warranted to confirm these findings and refine treatment guidelines.

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