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We report results on the seroprevalence of antibodies to Coxiella burnetii in cattle and healthy people in Korea. Upon agreement with dairy owners, serum samples from 414 dairy cattle were collected between March and June 2001 and samples from 205 people for health screening were collected between April and December 2002. The sera were analyzed for the(More)
BACKGROUND Early detection of drug-resistant Mycobacterium tuberculosis is important for the control and prevention of disease transmission. However, conventional drug susceptibility tests for drug-resistant M tuberculosis take at least 3 to 8 weeks. Here, we report the clinical efficacy of direct DNA sequencing analysis for detecting drug-resistant TB on(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)
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)
Paraplegia secondary to spinal cord infarction is a recognized complication of open thoracic and thoracoabdominal aortic aneurysm (TAA) repair. TAA is serious and unpredictable condition. Therefore, aortic repair requires thorough information on managing the potential complications will facilitate improve control the problem. We report the symptoms and(More)
Three commerciallyavailable kitsfordetermining serum thyroxine (T4) by column were evaluated. Results with all were less than satisfactory, but a series of changes in the Oxford method resulted in increased reproducibility, substantially improved recovery, and extended linearity of the standard curve. Results compared well with the thyrometa-bolic status of(More)
INTRODUCTION Cigarette smoking is the most commonly encountered risk factor for chronic obstructive pulmonary disease (COPD). However, it is not the only one and there is consistent evidence from epidemiologic studies that nonsmokers may develop chronic airflow limitation. A history of tuberculosis has recently been found to be associated with airflow(More)
PURPOSE A recent study demonstrated that exertional desaturation is a predictor of rapid decline in lung function in patients with chronic obstructive pulmonary disease (COPD); however, the study was limited by its method used to detect exertional desaturation. The main purpose of this study was to explore whether exertional desaturation assessed using(More)
We report on synthetic strategies to fabricate DNA-coated micrometer-sized colloids that, upon thermal annealing, self-assemble into various crystal structures. Colloids of a wide range of chemical compositions, including poly(styrene), poly(methyl methacrylate), titania, silica, and a silica-methacrylate hybrid material, are fabricated with smooth particle(More)
BACKGROUND It is unclear whether various bronchodilator reversibility (BDR) criteria affect the prognosis of chronic obstructive pulmonary disease (COPD). The aim of this study is to evaluate the impact of positive BDR defined according to various BDR criteria on the risk of severe acute exacerbation (AE) in COPD patients. METHODS Patients from four(More)