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PURPOSE The pattern of double primary cancers after treatment for gastric cancer is important for a patient's survival. MATERIALS AND METHODS We analyzed the clinicopathologic data of 214 gastric cancer patients from October 1996 to November 2007 with regard to metachronous second primary cancers. RESULTS Out of 5,778 patients with gastric cancer,(More)
OBJECTIVES The purpose of this study was to analyze the records of patients diagnosed with essential hypertension using association rule mining (ARM). METHODS Patients with essential hypertension (ICD code, I10) were extracted from a hospital's data warehouse and a data mart constructed for analysis. Apriori modeling of the ARM method and web node in the(More)
BACKGROUND/AIMS The aim of this study was to analyze comorbidity in patients with type 2 diabetes mellitus (T2DM) by using association rule mining (ARM). METHODS We used data from patients who visited Keimyung University Dongsan Medical Center from 1996 to 2007. Of 411,414 total patients, T2DM was present in 20,314. The Dx Analyze Tool was developed for(More)
Heparin is an essential drug in the treatment of acute coronary syndrome and it is used during percutaneous coronary intervention (PCI). Heparin-induced thrombocytopenia (HIT), albeit a serious complication of heparin therapy characterized by thrombocytopenia and high risk for venous and arterial thrombosis, has rarely been previously reported during PCI.(More)
PURPOSE Radiofrequency catheter ablation of the cavotricuspid isthmus (CTI) is effective in the treatment of typical atrial flutter (AFL) and atrial fibrillation (AF). AF and AFL often coexist. However, AF often occurs following successful ablation of CTI. The aim of this study was to investigate the predictors of concomitant AF following successful(More)
Recent several studies have shown that the genetic variation of SCN5A is related with atrioventricular conduction block (AVB); no study has yet been published in Koreans. Therefore, to determine the AVB-associated genetic variation in Korean patients, we investigated the genetic variation of SCN5A in Korean patients with AVB and compared with normal control(More)
A 22-year-old man with incessant ventricular tachycardia (VT) associated with pneumococcal meningitis without obvious heart disease manifesting as febrile sensation and severe headache visited our emergency department. Initial electrocardiography showed ventricular premature couplets, but the rhythm grew more serious and developed into incessant monomorphic(More)
BACKGROUND AND OBJECTIVES Due to recent studies that have shown an association between the genetic variation of SCN5A and sick sinus syndrome (SSS), we sought to determine if a similar correlation existed in Korean patients with SSS. SUBJECTS AND METHODS We enrolled 30 patients with SSS who showed a sinus pause (longer than 3.0 s) in Holter monitoring, in(More)
Data on the clinical outcomes in deferred coronary lesions according to functional severity have been limited. This study evaluated the clinical outcomes of deferred lesions according to fractional flow reserve (FFR) grade using Korean FFR registry data. Among 1,294 patients and 1,628 lesions in Korean FFR registry, 665 patients with 781 deferred lesions(More)
Because second-degree Mobitz I atrioventricular (AV) block is usually associated with a disturbance at the AV nodal level, and rarely at the infra- or intra-His bundle level, it has been considered as mostly benign in character. We report on a patient with intra-His bundle block in second-degree Mobitz I AV block with right bundle branch block.