Clinical Report: Assessment of Radial Artery Dissection via Optical Coherence Tomography
Overview
This study assessed the incidence and healing patterns of radial artery dissection (RAD) following transradial coronary interventions using optical coherence tomography (OCT). The findings report a 13.3% incidence of RAD, with specific factors associated with its occurrence and a healing pattern observed in follow-up assessments.
Background
Radial artery dissection (RAD) is a potential complication of transradial or distal transradial interventions, which are increasingly preferred for percutaneous coronary interventions. This study aims to provide insights into RAD incidence, classification, and healing patterns using advanced imaging techniques.
Data Highlights
Parameter
Value
Incidence of RAD
13.3%
Mean RAD lesions per patient
1.22
Most frequent RAD subtype
Type I–E1 (33.8%)
Mean remodeling index
0.94 ± 0.11
Key Findings
RAD occurred in 266 out of 1,995 patients (13.3%).
325 RAD lesions were identified, with a mean of 1.22 lesions per patient.
Type I–E1 was the most frequent subtype of RAD (33.8%).
Factors associated with RAD included older age, female sex, longer procedure duration, radial artery spasm, and smaller radial artery diameter.
Complete healing was observed in lesions reassessed ≥30 days, primarily through intimal hyperplasia (60%) or fibrous plaque (40%).
The mean remodeling index was 0.94 ± 0.11, indicating mild negative remodeling.
Clinical Implications
Understanding the factors associated with RAD can help clinicians identify at-risk patients and tailor their procedural approaches.
Conclusion
This study provides data on the incidence and healing patterns of RAD, with a focus on OCT in assessing vascular injuries post-intervention.
