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Table 4: Clinical and TCD data of patients with TIA/stroke after stenting
Patient No. Age in Years Clinical Symptoms and Time Onset Grade of Ipsilateral and Contralateral Stenosis and Plaque Characteristics MFV, PI of Ipsilateral MCA before, Early after CAS, and 30 Days Later Basal Ipsilateral CVR and 30 Days after CAS
1, 72 Minor stroke: right brachial and facial weakness, 12 hours after CAS 95% left ICA, 80% right ICA, 22 mm, ulcerated plaque 40 cm/s, 0.75 55 cm/s, 0.89 45 cm/s, 0.93 12.5% 13.3%
2, 81 Two TIAs: right hand weakness, 9 hours and 15 hours after CAS 95% left ICA, no contralateral stenosis, 20 mm, ulcerated plaque 37 cm/s, 1.27 49 cm/s, 1.59 55 cm/s, 1.24 7.6% 11.4%
3, 76 Minor stroke: pure verbal deafness during CAS 99% right ICA, no contralateral stenosis, 30 mm, ulcerated calcium plaque 42 cm/s, 0.86 38 cm/s, 1.45 44 cm/s, 1.41 19.0% 75%
4, 80 TIA: left hemineglect and anosognosia, during CAS 99% right ICA, 50% left ICA, 10 mm, nonulcerated plaque 23 cm/s, 0.87 29 cm/s, 1.10 24 cm/s, 1.08 0% 50%
Note:—TCD indicates transcranial Doppler; TIA, transient ischemic attack; MFV, mean flow velocity; PI, pulsatility index; MCA, middle cerebral artery; CAS, carotid angioplasty stent placement; CVR, cerebrovascular reserve; ICA, internal carotid artery.