A review has been made of mortality trends in Korea from 1958 to 1967 analyzing the data by sex, age and cause of death. The crude death rates and age specific death rates were estimated by the model of N. Keyfitz life table which had been developed by the data of the 1960's national census. The cause specific death rates shown in this article are based on the following: all deaths occurring in the death-registration are expressed as a numberator, while the denominator was estimated from the regular national census data by interpolation method. It is estimated that only an average of about 40% of deaths which occurred during a year were registered during 1958 to 1967. The validity and the reliability of the diagnosis of causes of death seem to be extremely poor in this country. Therefore the cause specific death rates in this article are aimed to reveal trends of causes of registered death ana not for the actual level of death rates. For 10 years very interesing mortality trends were observed : 1. The trend in the crude death rates was downward slowly. 2. The estimated death rate for the infant in 1960 was still high up to 100 per 1,000. 3. The rates for mortality attributed to such infectious diseases as pneumonia, bronchitis, gastroenteritis and measles decreased an average 40-60%. 4. The death rates for over-all tuberculosis decreased only 9.8%. 90% of the decrease was contributed by those in the less-than-15 year age group. 5. The death rates for chronic diseases, such as vascular diseases affecting the central nervous system, malignant neoplasm, major heart diseases and all accidents rose about 40-60%. 6. The rank order of the 10 leading causes of death showed large changes over the years, except for pneumonia and tuberculosis which occupyed 1st and 2nd places respectively. Vascular diseases affecting the central nervous system moved from 5th to 3rd place and malignant neoplasm from 6th to 4th place, The major heart diseases moved from 10th to 6th place and all accidents from 10th to 7th place. On tile other hand, gastroenteritis moved from 3rd to 5th place and influenja from 4th to 8th place.
Han, Koon Hee;Jung, Bock Hyun;Kim, Young Don;Hwang, Jung Won;Hong, Hyun Il;Yoon, Sung Kyu;Kim, Mi Hye;Ryu, Dae Sik;Kang, Gil Hyun
Tuberculosis and Respiratory Diseases
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v.59
no.1
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pp.109-113
/
2005
Miliary tuberculosis is the most serious form of tuberculous disease, but is rarely complicated with acute respiratory distress syndrome (ARDS). When a patient with miliary tuberculosis initially presents with ARDS, the mortality is much higher. Therefore, the early detection of miliary tuberculosis as the underlying cause of ARDS is very important for the prognosis and survival of the patient. The diagnosis of miliary tuberculosis may be easy if the patient presents typical clinical manifestations associated with the characteristic pattern of miliary nodules on chest radiology. However, the diagnosis of miliary tuberculosis when complicated with ARDS can be difficult due to the nonspecific radiologic patterns, such as diffuse bilateral consolidation and ground glass opacity, without miliary nodular infiltration. However, these nonspecific patterns are known as less likely findings of miliary tuberculosis. We experienced a pregnant woman with miliary tuberculosis, mimicking ARDS due to bilateral severe pneumonia. She was admitted, via the emergency room, with sudden onset of fever, chill, cough and dyspnea. The initial chest PA and HRCT showed diffuse bilateral consolidation and ground glass opacity, without miliary nodular infiltration. All bacteriological studies, including blood and sputum cultures, tuberculosis-PCR and serologic study for infectious disease were negative. However, the definite diagnosis of unusual miliary tuberculosis as the underlying cause of ARDS was confirmed from the radiological finding and transbronchial fiberoptic lung biopsy. We report this case, with a review of the literature.
Purpose: Group A streptococcus (GAS) is a common pathogen in pediatric patients and often causes acute pharyngotonsillitis and skin and soft tissue infections. In addition, bacteremia with significant morbidity and mortality can also occur. This study was conducted to describe the clinical manifestations and treatment outcomes of pediatric GAS bacteremia patients in Korea. Methods: This was a single-center, retrospective study. From January 2000 to December 2016, pediatric patients aged ≤18 years with GAS bacteremia were studied. Clinical manifestations, underlying diseases, intensive care unit stay, and antibiotic susceptibility were evaluated. Results: During the study period, 19 patients had GAS bacteremia. Ten (53%) were male, and the median age was 7.4 years (range, 0.3-17.4 years). Fourteen (74%) had chronic underlying diseases. Five (26%) were immunocompromised (leukemia and chronic kidney disease). Eight (42%) had lymphatic or vascular malformations, of which seven had lesions with signs of inflammation. Three (16%) developed pneumonia, and two of them received ventilator care. The 30-day mortality rate was 6% (1/19), and the cause of death was bacteremic pneumonia. All GAS isolates were sensitive to penicillin. Fifteen (79%) were sensitive to both erythromycin and clindamycin. Conclusions: This study identified various clinical manifestations of GAS bacteremia. GAS should be considered as a potential pathogen that can cause bacteremia and result in a serious clinical course.
Kang, Min Jae;Kim, So Hee;Kim, Nam Hee;Lee, Jin-A;Eun, Byung Wook;Choi, Eun Hwa;Lee, Hoan Jong
Pediatric Infection and Vaccine
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v.13
no.2
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pp.180-185
/
2006
Invasive Pseudomonas infections most often occur in the immunocompromised patients and are associated with high mortality rate. Rarely this disease may develop in healthy infants and children. We report two cases of invasive Pseudomonas aeruginosa infections that were diagnosed in otherwise healthy infants. The first case was a previously healthy 5-month-old infant with ecthyma gangrenosum and septicemia. She presented with fever, swelling of left periorbital area and multiple erythronodular skin lesions. Each skin lesion formed a black eschar surrounded by an erythematous areola over time. Cultures of blood, urine and discharge from skin lesions grew P. aeruginosa. On the day of visit, she showed pancytopenia which was normalized after 10 days. The patient responded well to the management with ceftazidime and tobramycin. The other case was a previously healthy 9-month-old infant with community-acquired pneumonia. He was referred from an outside hospital with fever and cough. Chest x-ray revealed pneumonic infiltrations on both lower lungs with pleural effusion on the right side. Cultures of blood and pleural fluid grew P. aeruginosa. Chest CT performed on the ninth day demonstrated pneumatoceles, lung abscess and necrosis of lung parenchyma. He was managed with ceftazidime and amikacin for 50 days. No residual pulmonary complications were noted during the three month follow-up. Laboratory results to evaluate immunologic defects of phagocytic cells, complement components and T- and B-lymphocytes were all within normal range in both patients. It should be kept in mind that Pseudomonas can be, though uncommon, a cause of community-acquired invasive infections in the previously healthy infants.
Kim, Seo Yun;Lee, Jin woo;Park, Young Sik;Lee, Chang-Hoon;Lee, Sang-Min;Yim, Jae-Joon;Kim, Young Whan;Han, Sung Koo;Yoo, Chul-Gyu
Tuberculosis and Respiratory Diseases
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v.80
no.1
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pp.45-51
/
2017
Background: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive diagnostic method for mediastinal and hilar lymphadenopathy. This study aimed to investigate the incidence of fever following EBUS-TBNA. Methods: A total of 684 patients who underwent EBUS-TBNA from May 2010 to July 2012 at Seoul National University Hospital were retrospectively reviewed. The patients were evaluated for fever by a physician every 6-8 hours during the first 24 hours following EBUS-TBNA. Fever was defined as an increase in axillary body temperature over $37.8^{\circ}C$. Results: Fever after EBUS-TBNA developed in 110 of 552 patients (20%). The median onset time and duration of fever was 7 hours (range, 0.5-32 hours) after EBUS-TBNA and 7 hours (range, 1-52 hours), respectively, and the median peak body temperature was $38.3^{\circ}C$ (range, $137.8-39.9^{\circ}C$). In most patients, fever subsided within 24 hours; however, six cases (1.1%) developed fever lasting longer than 24 hours. Infectious complications developed in three cases (0.54%) (pneumonia, 2; mediastinal abscess, 1), and all three patients had diabetes mellitus. The number or location of sampled lymph nodes and necrosis of lymph node were not associated with fever after EBUS-TBNA. Multiple logistic regression analysis did not reveal any risk factors for developing fever after EBUS-TBNA. Conclusion: Fever is relatively common after EBUS-TBNA, but is transient in most patients. However, clinicians should be aware of the possibility of infectious complications among patients with diabetes mellitus.
Shin, Jonghoon;Teeratakulpisarn, Jamaree;Puthanakit, Thanyawee;Theerawit, Tuangtip;Ryu, Ji Hwa;Shin, Jinhwan;Lee, Seulgi;Lee, Hayoung;An, Kyungjun;Kim, Hun
Clinical and Experimental Pediatrics
/
v.63
no.7
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pp.265-271
/
2020
Background: Pneumococcal diseases among children aged <5 years worldwide are associated with high annual mortality rates. Purpose: This study aimed to evaluate the immunogenicity and safety of GBP411, a 12-valent pneumococcal conjugant vaccine, with a dosing schedule of 2 primary doses plus 1 booster dose (2p+1) in healthy infants. Methods: This randomized active-controlled (Prevnar 13) double-blind phase 2 trial enrolled healthy subjects aged 6-10 weeks. Three serum concentrations of pneumococcal serotype-specific immunoglobulin G (IgG) were evaluated using the pneumococcal serotype-specific pneumonia polysaccharide enzyme-linked immunosorbent assay at 1 month after the primary doses and before and 1 month after the booster dose. The pneumococcal serotype-specific IgG titer was evaluated using a multiplex opsonophagocytic assay in a subset of 15 subjects per group. Results: After administration of the primary doses, the proportion of subjects who achieved pneumococcal serotype-specific IgG concentrations of >0.35 ㎍/mL was lower for some serotypes in the GBP411 group than in the comparator group (6B: 20.83% vs. 39.22%, P=0.047 and 19A: 58.33% vs. 90.20%, P<0.001). However, after administration of the booster dose, >97% of the subjects in each group achieved IgG concentrations of ≥0.35 ㎍/mL for all 12 serotypes. Increased immunogenicity was observed for some serotypes that showed significant intergroup differences after administration of the primary doses but not after the booster dose. We also found no significant intergroup difference in the overall incidence of solicited local adverse events. Furthermore, the overall incidence of solicited systemic adverse events was significantly lower in the GBP411 group than in the comparator vaccine group (79.59% vs. 98.04%; P=0.003). Conclusion: The GBP411 vaccine with a dosing schedule of 2p+1 may be immunogenic and safe for healthy infants.
Purpose : In this study, we listed common diseases in pediatric inpatients and evaluated the distribution of diseases by period and age group, in order to estimate the epidemiologic trend. Methods : Patients who were admitted to the Department of Pediatrics between 1997 and 2008 were included. Demographic characteristics, date of admission, and International Classification of Diseases (ICD) code of patients were indentified. Study period was divided into two; early (1997-2002) and late (2003-2008), and age of patients were grouped into four; infancy, early childhood, late childhood, and adolescence. Results : A total of 33,513 patients were admitted for 12 years. In the list of ICD code, Pneumonia (J12-J18; 21.2%) was the most prevalent, followed by gastroenteritis (A00-A09; 17.8%), bronchiolitis (J21; 11.9%), and so on. Common diseases ranked from 1 to 10 comprised the majority (79.1%) of all the inpatients. There was increase in the number of inpatients with respiratory infectious disease (bronchiolitis, otitis media, and sinusitis), enlarged lymph node, or impetigo/cellulitis, but decrease in the number of inpatients with aseptic meningitis, intussusceptions, measles, or nephritic/nephrotic syndrome. The distribution of diseases also showed age group-specific difference. Conclusion : The distribution of diseases by period and age group was different. The epidemiologic trend should be considered in developing the management of strategy for the Department of Pediatrics.
Background : Glycopeptide antibiotics are the only drugs for treatment of infections due to beta-lactam-resistant Gram-positive bacteria. As the incidence of infection and colonization with vancomycin-resistant enterococci(VRE) rapidly increases, the hospital infection control practices advisory committee(HICPAC) recommends prudent vancomycin use to detect, prevent and control infection and colonization with VRE. Methods : The inpatients admitted from September to December, 1996 in Pusan National University Hospital, with Gram-positive bacterial infections were evaluated retrospectively to see whether the administrations of glycopeptide antibiotics were appropriate or not, upon comparison with the recommendations for preventing the spread of vancomycin resistance by HICPAC. Results : Teicoplanin has been chosen more frequently than vancomycin of the glycopeptide antibiotics. The indications of administration of glycopeptides in patients with pneumonia, wound infections, sepsis, and in febrile or neutropenic patients with malignancies were appropriate, but the use of glycopeptides for elimination of merely colonized bacteria in the oral cavity could not be excluded. Inappropriate use of glycopeptides was 10.6%, and inappropriately long-term use without positive culture for beta-lactam-resistant Gram-positive organisms was about 40% of total days of drug use. Conclusion : It seems essential for the quality assurance committee to make a plan in teaching the HICPAC recommendations to the medical practitioners who prescribed the glycopeptides inappropriately or used for irrelevantly long to his patient, monitor and survey their use of glycopeptides prospectively and periodically, and if there are repeated inappropriate prescriptions, a certain penalty would be given to the practitioners.
Patients with primary immunodeficiencies often have symptoms of their disease for months or years before diagnosis and treatment. This is partly because these disorders are relatively uncommon and the infections typical of immunodeficienciey, for example otitis, sinusitis, and pneumonia, are common. We report a case of agammaglobulinemia in an 8-year-old boy with recurrent and severe infection. He was first seen in our hospital for bacterial meningitis in 2006. His immune status revealed panhypogammaglobulinemia and deficiency in mature B lymphocyte. His elder brother also showed deficiency in mature B lymphocyte but mild hypogammaglobulinemia. Some X-linked agammaglobulinemia (XLA) cases may remain undiagnosed because they only show mild hypogammaglobulinemia and they lack repeated infections in childhood.
Kim, Woo Ryung;Park, Eun Gyung;Kang, Kyung-Won;Lee, Sang-Myeong;Kim, Bumseok;Kim, Heui-Soo
Molecules and Cells
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v.43
no.11
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pp.953-963
/
2020
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is an infectious disease with multiple severe symptoms, such as fever over 37.5℃, cough, dyspnea, and pneumonia. In our research, microRNAs (miRNAs) binding to the genome sequences of severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory-related coronavirus (MERS-CoV), and SARS-CoV-2 were identified by bioinformatic tools. Five miRNAs (hsa-miR-15a-5p, hsa-miR-15b-5p, hsa-miR-195-5p, hsa-miR-16-5p, and hsa-miR-196a-1-3p) were found to commonly bind to SARS-CoV, MERS-CoV, and SARS-CoV-2. We also identified miRNAs that bind to receptor proteins, such as ACE2, ADAM17, and TMPRSS2, which are important for understanding the infection mechanism of SARS-CoV-2. The expression patterns of those miRNAs were examined in hamster lung samples infected by SARS-CoV-2. Five miRNAs (hsa-miR-15b-5p, hsa-miR-195-5p, hsa-miR-221-3p, hsa-miR-140-3p, and hsa-miR-422a) showed differential expression patterns in lung tissues before and after infection. Especially, hsa-miR-15b-5p and hsa-miR-195-5p showed a large difference in expression, indicating that they may potentially be diagnostic biomarkers for SARS-CoV-2 infection.
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