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Quetiapine에 의한 QTc 간격의 변화

Other Titles
 Change in the QTc Interval after Quetiapine Administration 
Authors
 전진숙  ;  조정녀  ;  오병훈  ;  송혜란 
Citation
 Korean Journal of Psychopharmacology (대한정신약물학회지), Vol.15(3) : 296-304, 2004 
Journal Title
 Korean Journal of Psychopharmacology (대한정신약물학회지) 
ISSN
 1017-5717 
Issue Date
2004
Keywords
Quetiapine ; Sudden death ; Torsade de pointes ; QTc interval ; Body weight ; Sex
Abstract
Objective: Among causes of sudden death presumed to be related with use of atypical antipsychotics, all drugs which could induce torsade de pointes had been known to prolong QTc interval, Therefore, to monitor the changes of QTc interval on EKG seemed to be an important marker for the antipsychotic-induced cardiotoxicity, further to prevent sudden death due to fatal ventricular arrythmia, There are several studies and case reports about cardiac toxicity in some patients who were administered newly developed atypical antipsychotics. The aims of this study were to know whether quetiapine causes changes in QTc interval, and to identify affecting factors. Methods: For the 31 inpatients (21 females, 10 males) with schizophrenia (N=25) or schizoaffective disorder (N=S), schizoph?reniform disorder (N=!) according to DSM-IV, the EKG monitoring was successively taken on baseline and the 2nd, 4th and 6th weeks after quetiapine administration, and serial changes of every EKG parameters including QTc interval was comparatively analyzed, Furthermore, variables such as cardiovascular risk factors (weight gain, hyperlipidemia, thyroid function, etc,), dose of drugs, drug combination, severity of psychotic symptoms, changes in the activity of autonomic nervous system despite of sex and age were also successively assessed on baseline and the 2, 4, and 6 weeks after quetiapine administration, Results: I) Every EKG parameters (heart rate, PR interval, QRS and QT) including QTc interval and diastolic blood pressure were not changed significantly on the 2, 4, and 6 weeks after quetiapine administration as compared with baseline, The systolic pressure was significantly declined form the 2 weeks after quetiapine administration as compared with baseline (p<O,OS), 2) Among variables aff-ecting the EKG parameters including QTc interval, age, dose of drugs, hyperlipidemia and thyroid function were not correlated with. However, the body weight on the 6 weeks after quetiapine administration had significant negative correlation with QT ()(=-OA27)and QTc interval ()(=-OA06), and the drug combination on the 6 weeks after quetiapine treatment had significant positive correlation with QRS ()(=0.393) and QT ()(=OAI5), while severity of psychotic symptoms on the 4th week had correlation with QT ()(=O.380) (p<O,OS, respectively), Other-wise, the QTc interval on the 6 weeks after was significantly prolonged in female patients (p<O,OS). Conclusion: Even though the administration of quetiapine did not cause significant changes in the QTc interval in this study, we need to pay attention toward the possibly related factors.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Oh, Byong Hoon(오병훈)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/112536
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