Management protocol for emergency aneurysm craniotomy clipping in non-major COVID-19 epidemic areas in Beijing, China

Table 2 Comparison of emergency aSAH patients between the current period and the respective time period last year after propensity score matching (PSM)

Characteristics	Current	Last year	P value^a
No. of patients	9	9
No. of aneurysms	10	10
Sex (male)	5 (55.6)	4 (44.4)	> 0.99
Age, years	50.11 ± 9.3	45.3 ± 11.3	0.342
Admission stratification
Normal patient	6 (66.7)
Mild suspected patient	3 (33.3)
Suspected patient	0 (0.0)
Confirmed patient	0 (0.0)
COVID-19 NAT (n = 2) (negative)	2 (100.0)
False negative COVID-19 NAT	0 (0.0)
Location of responsible aneurysm
ACoA	3 (33.3)	3 (33.3)	0.842
PCoA	3 (33.3)	2 (22.2)
ACA	0 (0.0)	0 (0.0)
MCA	3 (33.3)	4 (44.4)
Others	0 (0.0)	0 (0.0)
Fisher grade	3.0 ± 1.2	2.9 ± 1.1	0.839
Modified Fisher grade	3.2 ± 1.0	2.7 ± 1.2	0.302
Hunt-Hess grade	2.2 ± 0.4	2.2 ± 0.7	> 0.99
WFNS grade	2.4 ± 0.9	2.6 ± 1.2	0.819
GCS	12.6 ± 1.8	12.3 ± 2.3	0.825
Duration between rupture and craniotomy, h	56.9 ± 52.8	56.2 ± 60.5	0.980
Duration between admission and craniotomy, h	35.6 ± 15.3	31.9 ± 12.3	0.577
Preoperative adverse events during hospitalization
Rebleeding	0 (0.0)	0 (0.0)	> 0.99
Infarction	0 (0.0)	0 (0.0)	> 0.99
Epilepsy	0 (0.0)	0 (0.0)	> 0.99
Duration of surgery, h	3.7 ± 1.1	4.9 ± 2.9	0.264
Intraoperative blood loss, ml	188.9 ± 126.9	266.7 ± 188.7	0.320
Mean hospital LOS, days	17.4 ± 13.9	17.9 ± 9.0	0.937
Hospitalization cost, dollars^b	17,354.9 ± 12,110.1	13,147.1 ± 4200.9	0.339
Postoperative complications
Postoperative hemorrhage	0 (0.0)	0 (0.0)	> 0.99
Postoperative DCI	4 (44.4)	4 (44.4)	> 0.99
Postoperative DVT	3 (33.3)	1 (11.1)	> 0.99
Postoperative intracranial infection	2 (22.2)	2 (22.2)	> 0.99
Discharge mRS score
Mean	1.8 ± 1.7	2.0 ± 1.7	0.788
0–2	7 (77.8)	6 (66.7)	> 0.99
3–6	2 (22.2)	3 (33.3)	> 0.99

Values are numbers of cases (%) unless otherwise indicated. Mean values are presented with SDs
ACA anterior cerebral artery, ACoA anterior communicating aneurysm, aSAH aneurysmal subarachnoid hemorrhage, COVID-19 coronavirus disease 2019, CT computed tomography, DCI delayed cerebral ischemia, DVT deep vein thrombosis, GCS Glasgow Coma Scale, LOS length of stay, MCA middle cerebral artery, mRS modified Rankin Scale, NAT nucleic acid testing, PCA posterior cerebral artery, WFNS World Federation of Neurological Surgeons
^aP values indicate differences between the current period and the respective time period, and P less than 0.05 was considered statistically significant
^bThe exchange rate between RMB and USD is 1 USD = 7.0942 RMB

ISSN: 2057-4967