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Table 3 Mean flow velocity and breath holding index before and after carotid artery stenting

From: Cerebrovascular reactivity recovery following carotid angioplasty and stenting

 

Pre-CAS (mean ± SD)

Post-CAS (mean ± SD)

P

MFV (ipsilateral) cm/s at rest

45.09 ± 16.29

53.49 ± 21.60

< 0.001

MFV (ipsilateral) cm/s apnea

51.29 ± 20.89

66.74 ± 28.26

< 0.001

BHI % (ipsilateral)

0.52 ± 0.37

1.00 ± 0.32

< 0.001

MFV (contralateral) cm/s at rest

53.43 ± 19.59

60.11 ± 27.77

0.009

MFV (contralateral) cm/s apnea

60.63 ± 21.76

72.86 ± 31.89

< 0.001

BHI % (contralateral)

0.56 ± .41

0.91 ± .34

< 0.001

  1. MFV mean flow velocity, BHI breath holding index