병원 밖 심정지 후 자발순환이 회복되어 저체온 치료를 받은 환자에 있어서 경련과 사망률 및 신경학적 예후와의 연관성 (Relevance of Seizure with Mortality and Neurologic Prognosis of Out of Hospital Cardiopulmonary Arrest (OHCA) Patients Who had Treated with Therapeutic Hypothermia after Return of Spontaneous Circulat)

서지정보

· 발행기관 : 대한응급의학회
· 수록지 정보 : 대한응급의학회지 / 24권 / 1호 / 14 ~ 21페이지
· 저자명 : 이홍섭, 이근, 김진주, 박현미, 장재호, 황성연, 현성열, 양혁준

초록

Purpose: The purpose of this study is to evaluate relevance of postanoxic seizure with prognosis in cases of outof hospital cardiac arrest (OHCA) patients treated with TH and to research the prognostic role of portable electroencephalography (EEG).
Methods: A total of 180 OHCA patients arrived during July of 2008 and June of 2011, and 144 patients who had been treated with therapeutic hypothermia were included in this study. Portable EEG was taken 24 hours after induction of TH and classified by the attending neurologist. As an outcome variable, overall mortality and neurological outcome after six months from discharge were evaluated (Good neurological outcome; Cerebral performance category (CPC)scale 1, 2, Poor neurological outcome; CPC scale 3~5).
Results: Among 144 patients, 93 patients (63.9%) were male, and mean age was 51. Eighty two patients (56.9%)survived and almost 30% (43/144) of patients had a good neurological outcome. Sixty five patients (45.1%) had seizures, and, among this group, 19 patients (29.2%) were discharged with a good neurological outcome. No statistical difference was observed between the seizure group and the non-seizure group. Initial rhythm, APACHI II score, and time from basic life support to return of spontaneous circulation (OR, 2.169; 95% CI, 1.158~4.063, OR 1.107; 95% CI 1.064~1.152, OR 1.014; 95% CI 1.006~1.022, respectively)showed statistical importance, however, the seizure group (OR, 0.67, 95% CI, 0.356~1.032, p=0.065) had no statistical relevance with mortality. Grading of EEG by the neurologist showed a positive association with neurological outcomes (p<0.001). Factors associated with good neurological outcome were VF/VT initial rhythm (p=0.005), cardiac cause of arrest (p=0.001), high initial body temperature (p<0.001), low APACHI II score (p=0.010), and shorter time interval between arrest from basic life support (p=0.005).
Conclusion: In our study, the seizure group showed no relevance with mortality and prognosis. In hope of achieving a better outcome, careful treatment should be provided in cases of OHCA patients with seizure. Conduct of larger,prospective studies is needed.

영어초록

Purpose: The purpose of this study is to evaluate relevance of postanoxic seizure with prognosis in cases of outof hospital cardiac arrest (OHCA) patients treated with TH and to research the prognostic role of portable electroencephalography (EEG).
Methods: A total of 180 OHCA patients arrived during July of 2008 and June of 2011, and 144 patients who had been treated with therapeutic hypothermia were included in this study. Portable EEG was taken 24 hours after induction of TH and classified by the attending neurologist. As an outcome variable, overall mortality and neurological outcome after six months from discharge were evaluated (Good neurological outcome; Cerebral performance category (CPC)scale 1, 2, Poor neurological outcome; CPC scale 3~5).
Results: Among 144 patients, 93 patients (63.9%) were male, and mean age was 51. Eighty two patients (56.9%)survived and almost 30% (43/144) of patients had a good neurological outcome. Sixty five patients (45.1%) had seizures, and, among this group, 19 patients (29.2%) were discharged with a good neurological outcome. No statistical difference was observed between the seizure group and the non-seizure group. Initial rhythm, APACHI II score, and time from basic life support to return of spontaneous circulation (OR, 2.169; 95% CI, 1.158~4.063, OR 1.107; 95% CI 1.064~1.152, OR 1.014; 95% CI 1.006~1.022, respectively)showed statistical importance, however, the seizure group (OR, 0.67, 95% CI, 0.356~1.032, p=0.065) had no statistical relevance with mortality. Grading of EEG by the neurologist showed a positive association with neurological outcomes (p<0.001). Factors associated with good neurological outcome were VF/VT initial rhythm (p=0.005), cardiac cause of arrest (p=0.001), high initial body temperature (p<0.001), low APACHI II score (p=0.010), and shorter time interval between arrest from basic life support (p=0.005).
Conclusion: In our study, the seizure group showed no relevance with mortality and prognosis. In hope of achieving a better outcome, careful treatment should be provided in cases of OHCA patients with seizure. Conduct of larger,prospective studies is needed.

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