Thirty patients with brain abscesses who were treated at the Departmen
t of Neurosurgery, Tan Tock Seng Hospital, Singapore, during the perio
d July 1989 to July 1993, were reviewed. There were seven females and
23 males with mean follow up duration of 19 months. The predisposing f
actors identified were otogenic infections in 10 cases (33%), paranasa
l sinus infection in 2 cases (7%) and congenital heart disease in 6 ca
ses (20%). All cases underwent aspiration or excision of the abscess.
Repeat operations were carried out if the abscess reaccumulated. A tot
al of 49 aspirations and 16 excisions were performed. Twenty-five pati
ents (84%) made a good recovery, three patients (10%) were moderately
disabled, one patient (3%) was severely disabled and one patient (3%)
died. There was no postoperative haemorrhage or wound infections. Two
patients (7%) developed hydrocephalus and three (10%) had seizures pos
toperatively.