Safety of Early Carotid Artery Stenting in Symptomatic Patients

This work shows the safety of carotid artery stenting within 14 days of a stroke and, so far, this is the largest series of symptomatic patients published by an institution.

La endarterectomía precoz parece superior a la angioplastia carotidea en pacientes sintomáticosThe exact moment to conduct this procedure after an acute stroke is still controversial, although most publications so far have favored early endarterectomy over early angioplasty. This series shows very acceptable morbidity rates, below 3%. Can these daily practice results be reproduced by other institutions?

 

All consecutive patients from 2000 to 2016 with ipsilateral carotid symptoms who underwent carotid artery stenting for extracranial carotid stenosis ≥70% were included prospectively. Thirty-day morbidity was assessed (any stroke without including transient events such as amaurosis fugax or transient ischemic attack) along with mortality in the early (14 days before stroke) and late phases (15 to 180 days after stroke).


Read also: Post Carotid Stenting Cerebral Hyperperfusion: a Preventable Complication.


In total, 1227 patients with symptomatic carotid stenosis who underwent carotid artery stenting were included. In 291 of them, the procedure was conducted within 14 days, and in 936, after 14 days.

 

Mortality plus any stroke was 2.2% in the whole cohort (2.7% for early intervention vs. 2% for interventions after 14 days; p = 0.47).

 

There were no differences in morbidity between the early- and the late-phase procedures in terms of transient ischemic attack (5.2% vs. 3.9%; p = 0.33), minor stroke (1.4% vs. 0.5%; p = 0.14), or major stroke (0.7% vs. 0.6%; p = 0.59). The mortality rates between days 15 and 180 were also similar: 0.7% and 0.9%, respectively (p = 0.56).


Read also: Efficacy of Micromesh-Covered Stents in Carotid Artery Stenting.


We should take into account that this work analyzes peri-procedural events only, regardless of whether the procedure was conducted early (within 14 days) or late. While these differences are not significant, according to these results, late angioplasty seems numerically better. That notwithstanding, we should consider all spontaneous events up to the procedure “saved” through early angioplasty.

 

Conclusion

Carotid artery stenting can be safely performed in the early phase after an ischemic stroke with low clinical complication rates. Further studies are needed to verify the reproducibility of these results in other sites.

 

Original title: Safety of Early Carotid Artery Stenting for Symptomatic Stenosis in Daily Practice.

Reference: Jesús Alcalde-López et al. Eur J Vasc Endovasc Surg (2018), article in press.


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