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RT Journal Article
SR Electronic
T1 Horner Syndrome Related to Ipsilateral Carotid Wall Hematoma after Stent Placement for the Treatment of Carotid Stenoses
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1508
OP 1511
VO 24
IS 8
A1 Rosenkranz, Michael
A1 Eckert, Bernd
A1 Niesen, Wolf-Dirk
A1 Weiller, Cornelius
A1 Sliwka, Ulrich
YR 2003
UL http://www.ajnr.org/content/24/8/1508.abstract
AB BACKGROUND AND PURPOSE: We prospectively studied the incidence and natural history of Horner syndrome following stent-supported percutaneous angioplasty of the carotid artery (SPAC). We assessed the hypothesis that postinterventional Horner syndrome is related to ipsilateral carotid wall hematoma.METHODS: We performed duplex sonography of the carotid arteries and clinical examination in 28 consecutive patients before and 4 hours ± 2, 24 hours ± 2, and 7 days ± 1 after SPAC.RESULTS: Within 24 hours ± 2 after SPAC, 11 of the 28 patients developed ipsilateral Horner syndrome. Ten of these 11 patients had a postinterventional sonographic appearance of a carotid wall hematoma, whereas only two of the 17 patients without Horner syndrome had this finding (P &lt; .001). In all patients, both Horner syndrome and carotid wall hematoma had resolved 7 days ± 1 after SPAC.CONCLUSION: Horner syndrome appears to be a common yet transient event after SPAC. Although postinterventional Horner syndrome is significantly related to ipsilateral carotid wall hematoma, causality of the procedure-related formation of a carotid wall hematoma and oculosympathetic disturbance remains unproven.