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1.
Journal of Korean Medical Science ; : e397-2020.
Article in English | WPRIM | ID: wpr-831567

ABSTRACT

Background@#There are sparse data on the utilization rate of implantable cardioverterdefibrillator (ICD) and its beneficial effects in Korean patients with heart failure with reduced left ventricular ejection fraction (LVEF). @*Methods@#Among 5,625 acute heart failure (AHF) patients from 10 tertiary university hospitals across Korea, 485 patients with reassessed LVEF ≤ 35% at least 3 months after the index admission were enrolled in this study. The ICD implantation during the follow-up was evaluated. Mortality was compared between patients with ICDs and age-, sex-, and follow-up duration matched control patients. @*Results@#Among 485 patients potentially indicated for an ICD for primary prevention, only 56 patients (11.5%) underwent ICD implantation during the follow-up. Patients with ICD showed a significantly lower all-cause mortality compared with their matched control population: adjusted hazard ratio (HR) (95% confidence interval [CI]) = 0.39 (0.16–0.92), P = 0.032. The mortality rate was still lower in the ICD group after excluding patients with cardiac resynchronization therapy (adjusted HR [95% CI] = 0.09 [0.01–0.63], P = 0.015).According to the subgroup analysis for ischemic heart failure, there was a significantly lower all-cause mortality in the ICD group than in the no-ICD group (HR [95% CI] = 0.20 [0.06– 0.72], P = 0.013), with a borderline statistical significance (interaction P = 0.069). @*Conclusion@#Follow-up data of this large, multicenter registry suggests a significant underutilization of ICD in Korean heart failure patients with reduced LVEF. Survival analysis implies that previously proven survival benefit of ICD in clinical trials could be extrapolated to Korean patients.

2.
Journal of Rheumatic Diseases ; : 219-222, 2014.
Article in Korean | WPRIM | ID: wpr-190172

ABSTRACT

Granulomatosis with polyangiitis (GPA) is a disease characterized by a granulomatous necrotizing vasculitis of the small vessels, along with the presence of antineutrophil cytoplasmic antibody (ANCA), serologically. GPA is a multisystem disease, in which the diagnosis is frequently based on respiratory and renal manifestations, with rare breast invasion. To date, several cases of breast invasion by GPA have been published, and most cases have been positive for ANCA. However, ANCA-negative forms of breast invasion by GPA are extremely rare and have not been reported in Korea thus far. Therefore, we report a case of ANCA-negative GPA in a 70-year-old woman, who was initially presented with a localized palpable mass in the left breast.


Subject(s)
Aged , Female , Humans , Antibodies , Antibodies, Antineutrophil Cytoplasmic , Breast , Cytoplasm , Diagnosis , Korea , Vasculitis
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