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Acute symptoms after gamma knife radiosurgery
E J St George1, J Kudhail, J Perks
1St. Bartholomew's Hospital and the London Radiosurgical Centre, London, England. edward.st.george@lineone.net
Journal of Neurosurgery
|January 1, 2003
Summary
Acute adverse events after gamma knife radiosurgery (GKS) are common when all morbidities are considered. This finding suggests a need for revised post-treatment care protocols for patients undergoing GKS.
Area of Science:
- Neurosurgery
- Radiation Oncology
- Patient Safety
Background:
- Gamma knife radiosurgery (GKS) is a common treatment for various neurological conditions.
- The incidence and nature of early-onset adverse events following GKS are not fully understood.
- Current follow-up protocols may not adequately account for all potential morbidities.
Purpose of the Study:
- To challenge the assumption that early-onset symptoms post-GKS are rare.
- To comprehensively assess all types of morbidity, not solely neurological dysfunction.
- To inform the development of more rational post-GKS follow-up protocols.
Main Methods:
- Prospective data collection via telephone interviews within 2-3 weeks post-GKS.
- Inclusion of all adverse events, graded as mild, moderate, or severe.
- Analysis of 47 patients from the initial 65 treated.
Main Results:
- Two-thirds of patients reported new adverse symptoms within two weeks of GKS.
- Headache (over 50%), pin site complications (33%), nausea/vomiting, and fatigue were common.
- Moderate symptoms correlated with larger tumor volume and higher radiation doses.
Conclusions:
- Acute adverse events following GKS are frequent when all morbidities are considered.
- Recognizing a broader spectrum of complications can enhance post-GKS patient care.
- Revised follow-up strategies may be necessary to address these common acute events.