Kyung Chan Kim

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MMP-9 is a metalloproteinase capable of basement membrane degradation in vivo. Expression of MMP-9 can be found in normal conditions such as trophoblasts, osteoclasts, and leukocytes and their precursors. They also occur as well as in pathological conditions, such as the invasive growth of primary tumors, metastasis, angiogenesis, rheumatoid arthritis, and(More)
Knowledge of clinical demographics and outcomes of mechanically ventilated patients is important but there are few prospectively collected data in Korea. The objective of the present study was to describe the current status of mechanically ventilated patients in Korea as of 2010. We analyzed the data of Korean patients (275 patients in 12 Korean intensive(More)
BACKGROUND AND OBJECTIVE The results of tuberculin skin tests (TST) and QuantiFERON TB-Gold In-Tube (QFT-GIT) assays were compared in close contacts of patients with multidrug-resistant tuberculosis (MDR-TB). METHODS Close contacts of patients with bacteriologically confirmed MDR-TB (n = 101) were assessed. Most contacts were members of the households of(More)
PURPOSE The reported actual compliance for severe sepsis bundles was very low, suggesting the presence of barriers to their implementation. The purpose of this study was to assess the influence of full-time intensivist and nurse-to-patient ratio in Korean intensive care units (ICUs) on the implementation of the severe sepsis bundles and clinical outcome. (More)
BACKGROUND/AIMS Patients with chronic obstructive pulmonary disease (COPD) experience more problematic respiratory symptoms and have more trouble performing daily activities in the morning. The aim of this study was to assess the perception of COPD symptoms related to morning activities in patients with severe airflow limitation. METHODS Data of 133(More)
BACKGROUND In South Korea, chronic obstructive pulmonary disease (COPD) is one of the ten leading causes of death. COPD exacerbations are significantly associated with mortality in COPD patients. This study was conducted to investigate the epidemiology of COPD in South Korea, specifically the clinical characteristics of South Korean COPD patients, the COPD(More)
Granulomatosis with polyangiitis (GPA), an autoimmune disease characterized by inflammatory granulomas and necrotizing small-vessel vasculitis, primarily affects the respiratory tract and kidneys. Azathioprine (AZA) is a purine analog that is commonly used for maintaining GPA remission after induction therapy with cyclophosphamide. While the dose-dependent(More)
RATIONALE We previously showed that the choice of levofloxacin or moxifloxacin for the treatment of patients with fluoroquinolone-sensitive multidrug-resistant tuberculosis (MDR-TB) did not affect sputum culture conversion at 3 months of treatment. OBJECTIVES To compare final treatment outcomes between patients with MDR-TB randomized to levofloxacin or(More)
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