Yang, 1981 |
Herniation in 25.8% of cases |
21% |
None specified |
Keet et al., 1990 |
Not specified |
37% |
None specified |
Bradley et al., 1984 |
44% of patients undergoing radical mastoidectomy required further aural surgery after abscess decompressed due to persistent disease |
47.2% |
Epilepsy (23%), ataxia (13.8%), hemiplegia (12%), visual disturbance (7%), dysphagia (7.7%) |
Pennybacker et al., 1961 |
|
23% |
Not specified |
Newlands, 1965 |
10% with concurrent meningitis |
275% |
Not specified |
Samuel et al., 1986 |
Not specified |
36% |
None specified |
Nunez and Browning, 1990 |
Not specified |
20% |
Not specified |
Sennaroglu and Sozeri, 2000 |
32% with concurrent meningitis |
29% overall; 45% before CT and 10% after CT |
31%of cases required revision surgery |
Lavin et al., 2016 |
Not specified |
Not specified |
Not specified |
Prasad et al., 2006 |
Not specified |
Not specified |
Not specified |
Dawes et al., 1960 |
73% of abscesses with multiple foci |
50% |
Not specified |
Kangsanarak et al., 1995 |
Not specified |
31% |
Not specified |
Rupaand Raman,1991 |
Not specified |
Not specified |
None specified |
Beller et al., 1973 |
Not specified |
40% |
Epilepsy (15%), Permanent neurologial deficit (33%), |
Sichiza et al., 2005 |
Not specified |
13% |
Epilepsy (11%), hemiparesis (5%) |
Penido et al., 2005 |
55% of cases developed more than one intracranial complication |
Not specified |
Not specified |
Lakshmi et al., 1993 |
Notspecified |
Not specified |
Not specified |
Morgan et al., 1973 |
Not specified |
36.4% |
Seizures (48%), Severe neurological deficit (17%) |
Yen et al., 1995 |
Not specified |
5% |
5% permanent deficit |
Brand et al., 1984 |
Not specified |
26.6% (all before CT scan) |
6.6% incomplete aphasia, 6.6% facial nerve paralysis; 6.6% other permanent neurological deficit |
Osma et al., 2000 |
Not specified |
20% |
Not specified |
Murthy et al., 1991 |
30% with mastoiditis |
0% |
0 |
Sun and Sun, 2013 |
Not specified |
0% |
0 |
Kao et al., 2003 |
Not specified |
12.5% |
|
Chun et al., 1986 |
Not specified |
Not specified |
Not specified |
Carpenter and Holliman, 2007 |
Not specified |
0% |
0 |
Barry et al., 1999 |
100% concurrent meningitis |
Not specified |
Not specified |
Nahoo et al., 2011 |
Otic hydrocephalus developed in 6 patients and 13 patients required repeat surgery. |
29.4% |
None specified |
Carey et al., 1972 |
Excessive bleeding (30%) |
53% |
Epilepsy (26%) |