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복막투석을 시행 중인 말기신부전환자에서 QTd의 연속적 변화

Other Titles
 Serial Changes of QT Dispersion in Continuous Ambulatory Peritoneal Dialysis Patients 
 이상철  ;  한승혁  ;  이정은  ;  윤수영  ;  김범석  ;  강신욱  ;  이호영  ;  한대석  ;  최규헌 
 Korean Journal of Nephrology (대한신장학회지), Vol.25(6) : 951-960, 2006 
Journal Title
 Korean Journal of Nephrology (대한신장학회지) 
Issue Date
CAPD ; Cardiovascular mortality ; Corrected QT dispersion ; QT dispersion
Purpose: To evaluate the changes of QT dispersion (QTd) in CAPD patients serially from the period before the initiation of CAPD until several years after CAPD, and to find any associated factors. Methods: We performed a retrospective cohort study with a total of 101 patients who initiated CAPD between 1990 and 1996. All data were recruited from the patients` medical records before CAPD initiation, within one year after CAPD, and between one and three years after CAPD. Results: QTd and Corrected QTd (QTdc) values after CAPD did not show differences in the paired t-test of those before CAPD and within one year after CAPD. There was a definite correlation between the QTds before CAPD and that within one year after CAPD (r=0.530, p<0.001). In addition, the QTds from within one year after CAPD showed a correlation with those taken from one to three years after CAPD (r=0.487, p=0.019). Upon analysis of all-cause mortality, the change rate of QTd after CAPD initiation was revealed as a predicting factor along with the QTd, QTc max, and QTdc within one year after CAPD (RR=1.055, p=0.005). The change rate also remained a predictor of cardiovascular mortality (RR=1.088, p=0.007). In a multivariate Cox regression, cardiomegaly and previous cardiovascular disease were revealed to be independent factors for the change rate of QTd. Conclusion: QTd in CAPD patients did not change after initiation of CAPD, and the change rate of QTd after CAPD initiation was revealed as a risk factor for both all-cause mortality and cardiovascular mortality.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Shin Wook(강신욱) ORCID logo https://orcid.org/0000-0002-5677-4756
Kim, Beom Seok(김범석) ORCID logo https://orcid.org/0000-0002-5732-2583
Lee, Ho Yung(이호영)
Choi, Kyu Hun(최규헌) ORCID logo https://orcid.org/0000-0003-0095-9011
Han, Dae Suk(한대석)
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