1.The Risk Factors of External Ventricular Drainage-Related Infection at Hospital Kuala Lumpur: An Observational Study
Mohamad Azhari Omar ; Mohd Saffari Mohd Haspani
Malaysian Journal of Medical Sciences 2010;17(3):48-54
Background: External ventricular drainage (EVD) has been widely used for the purpose of
cerebrospinal fluid (CSF) diversion at Hospital Kuala Lumpur (HKL).
Method: This prospective observational study was conducted in HKL from December 2006
to December 2008 among patients who were subjected for EVD, following strict inclusion and
exclusion criteria.
Results: The frequency of EVD-related infection was as high as 32.2% (95% CI 23.3% to
42.57%) among 87 patients studied. This study clearly demonstrates that tunnelling the catheter for
more than 5 cm under the scalp, from the burr hole to the exit site of the skin, carried a significantly
lower risk of infection compared with tunnelling the catheter for 5 cm or less (OR = 0.184, 95% CI
0.083 to 0.406, P < 0.001). The majority of cases (19 out of 28) with EVD-related infection occurred
among patients catheterised for more than 10 days (OR = 0.334, 95% CI 0.171 to 0.652, P < 0.001).
Conclusion: The technique of subgaleal tunnelling of more than 5cm and the duration of the
ventricular catheterisation of 10 days and less should be implemented as standardised protocol at
health institutions to reduce the risk of EVD-related infections.
2.Treatment Outcome of Superficial Cerebral Abscess: An Analysis of Two Surgical Methods
Wei Ming Tan ; Johari Siregar Adnan ; Mohamad Saffari Mohamad Haspani
Malaysian Journal of Medical Sciences 2010;17(1):23-29
Background: The purpose of the study is to compare the two surgical methods (burr hole
and craniotomy) used as treatment for superficial cerebral abscess and its outcome in terms of
radiological clearance on brain CT, improvement of neurological status, the need for repeated
surgery, and survival and morbidity at three months after surgery. This report is a retrospective case
review of the patients who were treated surgically for superficial cerebral abscess in Hospital Kuala
Lumpur (HKL) and Hospital Sultanah Aminah (HSA) over a period of four years (2004 to 2007).
Methods: Fifty-one cases were included in this study: 64.7% of patients were male and
35.5% were female. Most of the patients were Malay (70.6%); 28 patients (54.9%) had undergone
craniotomy and excision of abscess, and the rest had undergone burr hole aspiration as their first
surgical treatment.
Results: This study reveals that patients who had undergone craniotomy and excision of
abscess showed a significantly earlier improvement in neurological function, better radiological
clearance and lower rate of re-surgery as compared to the burr hole aspiration group (P<0.05).
However, with respect to neurological improvement at 3 months, morbidity and mortality, there is
no significant difference between the two surgical methods.
Conclusion: The significance of these findings can only be confirmed by a prospective
randomised series. Further study will be required to assess the cost effectiveness, intensive care
needs, and possibility of shorter antibiotic usage as compared to burr hole aspiration.