Table 1 Summary of mean relative cerebral blood flow (relative-CBF).

From: Predicting Cerebral Hyperperfusion Syndrome Following Superficial Temporal Artery to Middle Cerebral Artery Bypass based on Intraoperative Perfusion-Weighted Magnetic Resonance Imaging

 

All Patients (n = 14)

CHS Group (n = 5)

Non-CHS Group (n = 9)

P-value (CHS vs non-CHS)

ACA-terminal

- Pre

0.93

0.90

0.95

0.590

- Intra

0.92

0.93

0.91

0.818

- %increase

–0.2%

5.0%

–3.2%

0.162

P-value (Pre vs Intra)

0.338

0.210

0.110

 

ACA-central

- Pre

0.85

0.77

0.90

0.567

- IntraIntra

1.01

0.99

1.03

0.862

- %increase

32.7%

58.6%

18.4%

0.518

P-value (Pre vs Intra)

0.047

0.169

0.098

 

MCA-terminal

- Pre

0.98

1.03

0.95

0.333

- Intra

1.03

1.17

0.95

0.016*

- %increase

5.1%

14.3%

0.0%

0.023*

P-value (Pre vs Intra)

0.035

0.011*

0.471

 

MCA-central

- Pre

0.96

1.07

0.90

0.386

- Intra

0.98

1.10

0.91

0.357

- %increase

2.3%

4.3%

1.2%

0.721

P-value (Pre vs Intra)

0.266

0.347

0.326

 

PCA-terminal

- Pre

1.01

0.92

1.06

0.268

- Intra

0.99

0.92

1.02

0.303

- %increase

−1.2%

3.4%

−3.8%

0.338

P-value (Pre vs Intra)

0.241

0.452

0.146

 
  1. *significant P-values after multiple comparison correction.