Health-related quality of life in ischaemic stroke survivors after carotid endarterectomy (CEA) and carotid artery stenting (CAS): confounder-controlled analysis.

INTRODUCTION

Atherosclerotic carotid artery stenosis (CS)-related strokes are a significant overall stroke burden contributor.

AIM

To evaluate the effect of surgical (carotid endarterectomy - CEA) vs. percutaneous (neuroprotected carotid artery stenting - CAS) carotid revascularization on health-related quality of life (HRQoL) in stroke survivors: analysis controlled for major HRQoL determinants beyond strokes.

MATERIAL AND METHODS

Our database of 856 carotid revascularization procedures (48.7% symptomatic CS) performed over 3 years showed 42 pairs (CEA-CAS) of right hemispheric stroke patients matched for age, sex, marital and educational status, hyper-tension, heart failure and diabetes, who underwent uneventful carotid revascularization, experienced no major adverse clinical events, and completed the Short Form Outcome Study (SF-36) questionnaire within 7 days before, 14 days after, 6 months after, and 12 months after carotid revascularization.

RESULTS

Baseline HRQoL was low and similar in both groups (30.8 ±4.6% vs. 29.1 ±3.9%, = 0.68; data given for CEA vs. CAS). National Institute of Health Stroke Scale chronic severity was 5.4 ±2.8 vs. 5.9 ±3.1 ( = 0.44). Revascularization was associated with a major HRQoL improvement, that was significantly greater in CAS (60.4 ±9.2% vs. 71.5 ±6.2%, < 0.001). At 6 months the CEA-CAS difference was narrower (70.7 ±9.7% vs. 74.6 ±5.9%, = 0.026), becoming statistically insignificant at 12 months (72.6 ±6.7% vs. 75.1 ±5.1%, = 0.062). The early CEA-CAS difference was driven by less bodily pain and better physical functioning/role-physical plus better role-emotional and higher general well-being scores in CAS ( < 0.05).

CONCLUSIONS

Carotid revascularization has a major positive impact on stroke survivor patient-reported HRQoL. The improvement is initially greater in CAS, with the remaining difference small at 12 months and statistically insignificant.