지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 393 - 400 (8page)
이용수
초록· 키워드
오류제보하기
Background and Purpose Sudden neurological deterioration which cannot be explained by structural change, ischemia or seizure is often observed among neurosurgical patients. We aimed to provide new insight into the pathophysiology of postoperative transient neurologic dysfunction. Methods We describe prolonged but fully reversible focal neurologic dysfunction of unknown origin based on the initial evaluation in 8 patients who had received encephalo-duro-arteriosynangiosis for moyamoya disease. We performed brain imaging, including diffusion weighted imaging and perfusion magnetic resonance imaging or single photon emission computed tomography, and electroencephalography (EEG) during the episodes and after resolution of the symptoms. Results The symptoms consisted of dysarthria, hemiparesis, or hemiparesthesia of limbs contralateral to the operated side. These symptoms developed between 12 hours and 8 days after surgery and lasted between 12 hours and 17 days. Structural imaging did not show any significant interval change compared with the immediate postoperative images. Perfusion imaging showed increased cerebral blood flow in the symptomatic hemisphere. EEG revealed low amplitude arrhythmic slowing in the corresponding hemisphere. Follow-up imaging and EEG after recovery did not show any abnormalities. Conclusions Transient neurologic dysfunction can occur during the postoperative period of brain surgery. Although this may last more than usual transient ischemic attack or seizure, it eventually resolves regardless of treatment. Based on our observation, we propose that this is the manifestation of the transient cortical depression triggered by mechanical stimulation, analogous to migraine aura associated with cortical spreading depression.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Leao AA / 1944 / Spreading depression of activity in the cerebral cortex / J Neurophysiol 7:359~390
Somjen GG / 2001 / Mechanisms of spreading depression and hypoxic spreading depression-like depolarization / Physiol Rev 81:1065~1096
Strong AJ / 2002 / Spreading and synchronous depressions of cortical activity in acutely injured human brain / Stroke 33:2738~2743
Mayevsky A / 1996 / Cortical spreading depression recorded from the human brain using a multiparametric monitoring system / Brain Res 740:268~274
Hartings JA / 2011 / Spreading depolarisations and outcome after traumatic brain injury: a prospective observational study / Lancet Neurol 10:1058~1064
Somjen GG / 2001 / Mechanisms of spreading depression and hypoxic spreading depression-like depolarization / Physiol Rev 81:1065~1096
Strong AJ / 2002 / Spreading and synchronous depressions of cortical activity in acutely injured human brain / Stroke 33:2738~2743
Mayevsky A / 1996 / Cortical spreading depression recorded from the human brain using a multiparametric monitoring system / Brain Res 740:268~274
Hartings JA / 2011 / Spreading depolarisations and outcome after traumatic brain injury: a prospective observational study / Lancet Neurol 10:1058~1064
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