Background
Methods
Patients
Characteristics | Blend sign positive (n = 41) | Blend sign negative (n = 85) |
P value |
---|---|---|---|
Mean age, yr. (\( \overline{\mathrm{x}} \) ±s) | 56.44 ± 14.85 | 59.98 ± 12.01 | 0.155 |
Sex, male (%) | 28(68.3) | 64(75.3) | 0.052 |
Smoking (%) | 19(46.3) | 41(48.2) | 0.266 |
Hypertension (%) | 27(65.9) | 47(55.3) | 0.506 |
Diabetes mellitus (%) | 2(4.9) | 1(1.2) | 0.313 |
Alcohol consumption (%) | 20(48.8) | 39(45.9) | 0.578 |
Systolic pressure (\( \overline{\mathrm{x}} \)±s) | 177.59 ± 26.62 | 171.78 ± 28.65 | 0.145 |
Diastolic pressure (\( \overline{\mathrm{x}} \)±s) | 102.56 ± 16.71 | 97.92 ± 16.98 | 0.151 |
Time to baseline CT (\( \overline{\mathrm{x}} \)±s) | 10.93 ± 2.84 | 11.74 ± 2.63 | 0.790 |
Baseline ICH volume (\( \overline{\mathrm{x}} \)±s) | 33.68 ± 21.57 | 33.19 ± 22.32 | 0.190 |
Glasgow coma scale score (\( \overline{\mathrm{x}} \)±s) | 9.83 ± 3.38 | 11.16 ± 2.77 | 0.020 |
Ruptured into the ventricle (%) | 16(39.0) | 47(55.3) | 0.006 |
NIHSS on admission (\( \overline{\mathrm{x}} \)±s) | 14.12 ± 4.62 | 13.38 ± 4.13 | 0.391 |
Imaging analysis
Minimally invasive procedures for ICH evacuation
Statistical analysis
Results
Interobserver agreement of the blend sign
The haematoma growth prior to surgery
ICH evacuation and the postoperative CT follow-up
Baseline characteristics of patients with postoperative re-haemorrhage
Characteristics | Re-haemorrhage group (n = 33) | Non-re-haemorrhage group (n = 93) |
P
|
---|---|---|---|
Mean age, yr. (\( \overline{\mathrm{x}} \)±s) | 56.63 ± 15.20 | 59.77 ± 16.40 | 0.251 |
Sex, male (%) | 23(69.70) | 69(72.00) | 0.534 |
Smoking (%) | 18(54.50) | 42(43.80) | 0.281 |
Hypertension (%) | 21(63.60) | 53(55.20) | 0.423 |
Diabetes mellitus (%) | 1(3.00) | 2(2.00) | 0.774 |
Alcohol consumption (%) | 17(51.50) | 42(43.80) | 0.468 |
Systolic pressure (\( \overline{\mathrm{x}} \)±s) | 176.67 ± 27.30 | 174.39 ± 28.60 | 0.665 |
Diastolic pressure (\( \overline{\mathrm{x}} \)±s) | 102.30 ± 17.60 | 98.82 ± 17.32 | 0.448 |
Time to baseline CT (\( \overline{\mathrm{x}} \)±s) | 10.61 ± 3.19 | 11.78 ± 1.68 | 0.718 |
Baseline ICH volume (\( \overline{\mathrm{x}} \)±s) | 25.15 ± 18.96 | 36.50 ± 23.84 | 0.045 |
Blend sign on baseline CT (%) | 24(72.70) | 17(17.70) | 0.000 |
Ruptured into the ventricle (%) | 13(39.40) | 50(52.10) | 0.318 |
Glasgow coma scale score (\( \overline{\mathrm{x}} \)±s) | 11.64 ± 2.77 | 10.41 ± 3.07 | 0.045 |
Time to surgical procedures (\( \overline{\mathrm{x}} \)±s) | 29.85 ± 28.54 | 20.84 ± 17.87 | 0.097 |
NIHSS on discharge (\( \overline{\mathrm{x}} \)±s) | 17.06 ± 12.35 | 11.78 ± 9.18 | 0.026 |
The relationship between the CT blend sign and the post-operative re-haemorrhage
Variables | Odds ratio | 95% confidence Interval |
P Value |
---|---|---|---|
Baseline ICH volume | 1.022 | 0.994-1.050 | 0.132 |
Blend sign on baseline CT | 42.365 | 10.487-171.348 | 0.000 |
Glasgow coma scale score | 0.678 | 0.531-0.866 | 0.002 |