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Kim YJ, Yoon JH, Kim SI, Hong KW, Kim JI, Choi JY, Yoon SK, You YK, Lee MD, Moon IS, Kim DG, Kang MW. High mortality associated with Acinetobacter species infection in liver transplant patients. Transplant Proc 2012; 43:2397-9. [PMID: 21839276 DOI: 10.1016/j.transproceed.2011.06.011] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Acinetobacter species have become increasingly important nosocomial pathogens worldwide and can result in a wide range of infections, including bacteremia, pneumonia, urinary tract infection, peritonitis, among others. The aim of this study was to investigate clinical characteristics, mortality, and outcomes among liver transplant recipients with Acinetobacter species infections. METHODS We retrospectively analyzed 451 subjects who had undergone living donor liver transplantations between January 2001 and May 2010. Pandrug-resistant (PDR) Acinetobacter species were defined as resistant to all commercially available antibiotics except colistin. RESULTS Infectious complications due to Acinetobacter species appeared in 26 patients (5.8%) with a total of 37 episodes. Of the species identified, 34 were Acinetobacter baumannii and 3 Acinetobacter Iwoffiii. The presumed sources of infection were the biliary tract (n = 21, 56.8%), lung (n = 7, 18.9%), intra-abdomen (n = 6, 16.2%), catheter (n = 2, 5.4%), and urinary tract (n = 1, 3.6%). Among the 37 Acinetobacter species, 75.7% (28/37) were PDR species. Age, duration of intensive care unit stay, Child-Pugh score, and Model for End-stage Liver Disease score were not significant risk factors for Acinetobacter species infection. However, the overall mortality among patients with Acinetobacter species infections was 50% (13/26), which was significantly higher than that among those free of infection (50% vs 11.5%, P < .05). Multivariate analysis using a Cox regression model showed that inappropriate antimicrobial treatment was a significant independent risk factor for mortality among patients with Acinetobacter species infections (hazard Ratio = 4.19, 95% confidence interval 1.1-18.7; P = .06). CONCLUSION Patients with Acinetobacter species infections after liver transplantation show a significantly worse prognosis. PDR Acinetobacter species have been a major problem in our center.
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Affiliation(s)
- Y J Kim
- Department of Internal Medicine, The Catholic University of Korea, Seoul, Korea
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Kang MW, Lee ES, Yoon SY, Jo J, Lee J, Kim HK, Choi YS, Kim K, Shim YM, Kim J, Kim H. AKR1B10 is associated with smoking and smoking-related non-small-cell lung cancer. J Int Med Res 2011; 39:78-85. [PMID: 21672310 DOI: 10.1177/147323001103900110] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
This prospective study explored the relationship between expression of AKR1B10 mRNA and various clinical parameters in non-small-cell lung cancer (NSCLC) in terms of its validation as a marker for NSCLC. Tumour tissue samples were collected from 229 patients with NSCLC. Tissue samples from adjacent non-malignant lung tissue (> 5 cm from the tumour) of 89 of these patients and samples from 20 patients with benign lung disease were used as controls. Quantitative reverse transcription- polymerase chain reaction showed significantly higher levels of AKR1B10 mRNA expression in NSCLC tumour tissue than in adjacent non-malignant lung tissue and benign lung tissue. Statistically significant factors for AKR1B10 mRNA over-expression were found to be male gender, smoking, squamous cell carcinoma and moderate or poor cell differentiation. It is concluded that AKR1B10 seems to have potential as a prognostic marker for NSCLC and warrants further investigation.
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Affiliation(s)
- M-W Kang
- Cancer Research Centre, Centre for Clinical Research, Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Seoul, Korea
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Kim YJ, Kim SI, Wie SH, Kim YR, Hur JA, Choi JY, Yoon SK, Moon IS, Kim DG, Lee MD, Kang MW. Infectious complications in living-donor liver transplant recipients: a 9-year single-center experience. Transpl Infect Dis 2008; 10:316-24. [PMID: 18507752 DOI: 10.1111/j.1399-3062.2008.00315.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Infectious complications following living-donor liver transplantation (LDLT) remain a major cause of morbidity and mortality. We analyzed the frequency and type of infectious complications according to the post-transplantation period, and their risk factors with regard to morbidity and mortality. METHODS We retrospectively analyzed 208 subjects who had undergone LDLT during a 9-year period. RESULTS The rate of infection was 1.69 per patient during the study period. The predominant infections were intra-abdominal infections (37.6%), primary bacteremia (17.4%), and pneumonia (14.5%). Within the first post-transplant month, 140 (39.9%) infections were detected, and catheter-related coagulase-negative staphylococci (44) were the most common infectious agents. During the 2-6-month post-transplant period, 109 infectious episodes occurred (31.1%), and Enterococcus sp. (n=16) related to biliary infection was the most frequent isolate. After the sixth month, 96 infectious episodes (29%) occurred, and biliary tract-related Escherichia coli (n=19) was the major causative organism. The overall mortality was 24.5% (51/208); 1-year survival rate was 88% (196/208). Post-transplant infection-related mortality was 52.9% (27/51). Biliary tract complications, such as biliary stenosis or leakage, significantly increased the mortality (P=0.01); however, reoperation (retransplantation or resurgery for biliary tract obstruction/leakage or to control bleeding) significantly reduced the mortality (P=0.01). CONCLUSIONS Our data showed that early catheter removal would mainly aid in reducing infectious complications in the 1-month post-transplantation period. Aggressive management, including reoperation, would lower the mortality in the LDLT recipients.
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Affiliation(s)
- Y J Kim
- Department of Internal Medicine, Division of Infectious Disease, The Catholic University of Korea, College of Medicine, Seoul, Korea
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Kim JM, Park ES, Jeong JS, Kim KM, Kim JM, Oh HS, Yoon SW, Chang HS, Chang KH, Lee SI, Lee MS, Song JH, Kang MW, Park SC, Choe KW, Pai CH. Multicenter surveillance study for nosocomial infections in major hospitals in Korea. Nosocomial Infection Surveillance Committee of the Korean Society for Nosocomial Infection Control. Am J Infect Control 2000; 28:454-8. [PMID: 11114615 DOI: 10.1067/mic.2000.107592] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND The goals of a surveillance for nosocomial infections (NIs) are to observe the magnitude and characteristics of NIs and to plan and evaluate policies and guidelines of infection control. This study was designed to determine the rate and distribution of NIs and their causative pathogens in Korean hospitals. METHODS Prospective surveillance was performed at 15 acute care hospitals with more than 500 beds during a 3-month period from June to August 1996. The case-finding methods were laboratory-based surveillance for patients in the general wards and a direct review of medical charts done regularly for all the patients in the intensive care units. RESULTS A total of 3162 NIs were found among 85,547 discharged patients, with an overall nosocomial infection rate of 3.70 per 100 patients discharged. Urinary tract infections constituted 30.3% of all NIs. Other infections were pneumonias, 17.2%, surgical site infections, 15.5%, and primary bloodstream infections, 14.5%. The infection rate was the highest in neurosurgery (14.21), followed by neurology (8. 62) and ontology services (6.70). The infection rate in intensive care units was higher than it was in the general wards (10.74 vs 2. 57, P =.001). The commonly isolated organisms were Staphylococcus aureus (17.2%), Pseudomonas aeruginosa (13.8%), and Escherichia coli (12.3%). CONCLUSIONS This first multicenter surveillance study provided extensive information on the current status and trends of NIs in major hospitals in Korea. The results may contribute to the evaluation of infection control programs and the development of effective strategies in these hospitals.
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Affiliation(s)
- J M Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
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Yoo JH, Choi JH, Shin WS, Huh DH, Cho YK, Kim KM, Kim MY, Kang MW. Application of infrequent-restriction-site PCR to clinical isolates of Acinetobacter baumannii and Serratia marcescens. J Clin Microbiol 1999; 37:3108-12. [PMID: 10488162 PMCID: PMC85504 DOI: 10.1128/jcm.37.10.3108-3112.1999] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We applied infrequent-restriction-site PCR (IRS-PCR) to the investigation of an outbreak caused by 23 isolates of Acinetobacter baumannii in an intensive care unit from November 1996 to May 1997 and a pseudoepidemic caused by 16 isolates of Serratia marcescens in a delivery room from May to September 1996. In the epidemiologic investigation of the outbreak caused by A. baumannii, environmental sampling and screening of all health care workers revealed the same species from the Y piece of a mechanical ventilator and the hands of two health care personnel. IRS-PCR showed that all outbreak-related strains were genotypically identical and that three strains from surveillance cultures were also identical to the outbreak-related strains. In a pseudoepidemic caused by S. marcescens, IRS-PCR identified two different genotypes, and among them one genotype was predominant (15 of 16 [93.8%] isolates). Extensive surveillance failed to find any source of S. marcescens. Validation of the result of IRS-PCR by comparison with that of field inversion gel electrophoresis (FIGE) showed that they were completely concordant. These results suggest that IRS-PCR is comparable to FIGE for molecular epidemiologic studies. In addition, IRS-PCR was less laborious and less time-consuming than FIGE. To our knowledge, this is the first report of the application of IRS-PCR to A. baumannii and S. marcescens.
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Affiliation(s)
- J H Yoo
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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Yoo JH, Huh DH, Choi JH, Shin WS, Kang MW, Kim CC, Kim DJ. Molecular epidemiological analysis of quinolone-resistant Escherichia coli causing bacteremia in neutropenic patients with leukemia in Korea. Clin Infect Dis 1997; 25:1385-91. [PMID: 9431383 DOI: 10.1086/516132] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
We analyzed an outbreak of Escherichia coli bacteremia in eight patients with leukemia in a hematology-oncology unit from July to September 1994. The antibiograms and genotypic patterns of the isolates were different, thus suggesting that the outbreak did not originate from a single clone. However, all the isolates were resistant to quinolones, which led us to examine the microbiological records from 1992 to 1994. The incidence of quinolone-resistant E. coli bacteremia in the hematology-oncology unit ranged from 81.8% to 94.6% during this period. We then analyzed 36 more isolates recovered from late 1994 to 1995. Field inversion gel electrophoresis patterns of these isolates were also different. Analysis of the quinolone resistance determining region in gyrA revealed that all the isolates had a double mutation in gyrA. In conclusion, quinolone-resistant E. coli could be an emerging threat to neutropenic patients with leukemia who receive a quinolone prophylactically, and attention must be paid to this trend of resistance.
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Affiliation(s)
- J H Yoo
- Bone Marrow Transplantation Center, College of Medicine, St. Mary's Hospital, Seoul, Korea
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Lee JM, Kim MY, Kim YR, Kang MW, Lee NS, Cho SY, Lee HW, Lee WJ, Lee JS. A small epidemiological survey for vivax malaria in Kimpo-gun, Kyonggi-do, Korea undertaken after detecting two consecutive cases. Korean J Parasitol 1997; 35:291-3. [PMID: 9446912 DOI: 10.3347/kjp.1997.35.4.291] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
On July and August 1997, two 15-year-old mates of a football team of Tongjin Middle School in northern Kyonggi-do, Korea were consecutively diagnosed as vivax malaria by peripheral blood smear. They had no histories of travelling abroad or drug abuse. They witnessed that other mates in the team were ill of fever in the same period. A small survey was therefore undertaken to determine whether vivax malaria was outbroken locally. A total of 57 students of the team living together in a dormitory was examined for history of fever, presence of splenomegaly, blood smear and anti-P. vivax antibody test by immunofluorescent antibody test (IFAT). Except for the above two patients, only one case revealed a marginal titer of IFAT. No other positive findings of vivax malaria were found. In the results of this local survey, no more cases of vivax malaria were revealed except the two sporadic cases.
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Affiliation(s)
- J M Lee
- Department of Internal Medicine, Catholic University of Korea School of Medicine, Seoul, Korea
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Yoo JH, Choi JH, Kim YR, Shin WS, Kang MW. Kikuchi-Fujimoto disease: benign cause of fever and lymphadenopathy. Am J Med 1997; 103:332-4. [PMID: 9382129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abstract
Two outbreaks of acute toxoplasmosis involving 8 adult patients in Korea were linked to eating uncooked pork. In the first outbreak, 3 patients developed unilateral chorioretinitis within 3 months of eating a meal consisting of raw spleen and liver of a wild pig. In the second outbreak, 5 of 11 soldiers who ate a meal consisting of raw liver of a domestic pig developed lymphadenopathy. All 8 patients had high levels of IgG Toxoplasma gondii antibodies (> or = 1:1024) in the Sabin-Feldman dye test, modified agglutination test incorporating mercaptoethanol, and latex agglutination test. T. gondii IgM antibodies persisted in these patients for several months. Most patients had a favorable response to anti-T. gondii chemotherapy with pyrimethamine and sulfanomides.
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Affiliation(s)
- W Y Choi
- Department of Parasitology, School of Medicine, Catholic University of Korea, Seoul
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Wie SH, Song HC, Kim YR, Yoon SA, Lee SH, Yang CW, Kim YS, Kim SY, Kang MW, Bang BK. Immunocytochemical assay for cytomegalovirus detection in peripheral blood for renal transplant patients in clinical practice. Transplant Proc 1996; 28:1505-6. [PMID: 8658761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- S H Wie
- Department of Internal Medicine, Catholic University Medical College, Seoul, Korea
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Shin WS, Kang MW, Kang JH, Choi MK, Ahn BM, Kim JK, Sun HS, Min KW. Epstein-Barr virus-associated gastric adenocarcinomas among Koreans. Am J Clin Pathol 1996; 105:174-81. [PMID: 8607441 DOI: 10.1093/ajcp/105.2.174] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Epstein-Barr virus (EBV)-associated gastric carcinomas have been reported from various regions of the world. Epstein-Barr virus appears to be pathogenetically related to some gastric carcinomas. To determine the incidence of EBV association with gastric carcinomas among Koreans, the authors have studied EBV genome expression in 89 consecutive patients with gastric carcinomas diagnosed at the Catholic University Hospitals in Seoul, Korea, using in situ hybridization (ISH) for EBV-encoded small RNAs (EBERs), and immunohistochemistry for EBV latent membrane proteins (LMP) and CD21 antigen on paraffin sections. Thirty-seven gastric specimens with benign ulcer disease were used controls. EBV-encoded small RNAs were expressed in tumor cell nuclei in 12 patients (13.5%). None of the controls or benign portions of the cases were positive. In the positive cases, all tumor cell nuclei were uniformly stained and the staining intensity was strong. Immunohistochemistry for LMP was positive in 3 of 12 EBERs positive patients and none of EBERs negative patients. EBV latent membrane proteins was localized only in the lymphoid cells infiltrating the tumor in two patients, and tumor cells as well as infiltrating lymphoid cells in one patient. These results indicate that the rate of EBV association with gastric carcinomas in Koreans is relatively high and comparable to other Far Eastern Asian regions. The expression pattern in EBV-associated gastric carcinomas is similar to those of nasopharyngeal carcinomas in which clonality analysis using specific probes to the tandem repeat region of EBV yielded single episomal bands suggesting that EBV infection in EBV-associated gastric carcinomas are also clonal and pathogenetically related to the neoplasm. However, the mechanism of tumorigenesis remains to be elucidated.
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Affiliation(s)
- W S Shin
- Division of Infectious Diseases, Catholic University Medical College, Seoul, Korea
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Shin WS, Min CK, Kim YR, Yoo JH, Kang MW. In-vitro effects of cefodizime on leucocyte functions and colony formation from granulocyte-monocyte progenitors. J Antimicrob Chemother 1996; 37:93-103. [PMID: 8647779 DOI: 10.1093/jac/37.1.93] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Infections in immunocompromised patients are often difficult to treat, even with currently available antimicrobial agents. An understanding of the effects of antibiotic therapy on the host's immune response is therefore important when deciding on the clinical management of such patients. Antimicrobial agents which lack immunodepressive effects and/or potentiate the immune response are the goal of current research into the treatment of infections in immunocompromised patients. The effects of cefodizime (1-250 micrograms/mL) in vitro on some functional activities of leucocytes and on colony formation by granulocyte monocyte progenitors were studied to investigate the effects of the antibiotic on the host's immune response. A marked enhancement in the lymphocyte transformation reaction was observed in cells exposed to cefodizime. This effect was dose-dependent. Cefodizime had no significant effect on antibody-dependent cell cytotoxicity or on natural killer cell-mediated cytotoxicity. The chemotactic activity of neutrophils was not influenced by the presence of cefodizime (P > 0.05). The phagocytic activity of neutrophils was significantly increased by cefodizime (P > 0.01). Cefodizime significantly stimulated, in a dose-dependent manner, colony formation by granulocyte-monocyte progenitors (P < 0.01). Results suggest that cefodizime has certain stimulatory effects on immunocompetent cells such as enhancing the transformation reaction of lymphocytes, neutrophil phagocytosis and colony formation by granulocyte-monocyte progenitors. Further studies are required to clarify the mechanisms responsible for these effects.
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Affiliation(s)
- W S Shin
- Department of Internal Medicine, Catholic University Medical College, Seoul, Korea
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Abstract
The immunogenicity of a single dose of Salmonella typhi(S.typhi) Vi capsular polysaccharide(CPS) vaccine was evaluated before, and at 1, 3, 12, and 36 months after vaccination. Eighty-five adults(20-28 years of age) and sixty-four children(8-16 years of age) received a single dose of 25 micrograms Vi CPS vaccine intramuscularly, and antibody titers to Vi CPS were measured by passive hemagglutination. Of 149 vaccinees, 138(92.6%) showed seroconversion at 1 month after vaccination, and then 138 out of 141(97.9%) did at 3 months. Of 137 vaccinees, 116(84.7%) maintained a persistent rise in Vi antibody titer 12 months after vaccination, and 55 out of 100(55.0%) had a 4-fold or greater rise at 36 months. No significant adverse reactions were observed. Booster injection may be needed 3-5 years after vaccination.
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Affiliation(s)
- Y R Kim
- Department of Internal Medicine and Pediatrics, Catholic University Medical College, Seoul, Korea
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Yoo JH, Shin WS, Kim YR, Kang MW, Kim DW, Hahn CW, Park CW, Kim CC, Kim DJ. Esophageal aspergillosis in a patient with acute leukemia. Leukemia 1995; 9:1599-600. [PMID: 7658731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- J H Yoo
- Bone Marrow Transplantation Center, St Mary's Hospital, Catholic University Medical College, Seoul, Korea
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Ha HK, Kang MW, Park JM, Yang WJ, Shinn KS, Bahk YW. Lung abscess. Percutaneous catheter therapy. Acta Radiol 1993; 34:362-5. [PMID: 8318298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Lung abscess was successfully treated with percutaneous drainage in 5 of 6 patients. Complete abscess resolution occurred in 4 patients, partial resolution in one, and no response in one. The duration of drainage ranged from 7 to 18 days (mean 15.5 days) in successful cases. The failure of drainage in one neurologically impaired patient was attributed to persistent aspiration. In 2 patients, concurrent pleural empyema was also cured. CT provided the anatomic details necessary for choosing the puncture site and avoiding puncture of the lung parenchyma. Percutaneous catheter drainage is a safe and effective method for treating lung abscess.
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Affiliation(s)
- H K Ha
- Department of Radiology, Catholic University Medical College, Seoul, Korea
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Chung HY, Kang MW, Shin WS, Kim SK. Successful treatment of typhoid fever with a single dose of ceftriaxone for one or two days. Korean J Intern Med 1987; 2:90-2. [PMID: 3154822 PMCID: PMC4534920 DOI: 10.3904/kjim.1987.2.1.90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The therapeutic efficacy of ceftriaxone was evaluated in variable dose and duration schedules in twenty patients with bacteriologically proven typhoid fever. The results were satisfactory in the cases that were given a single dose of 3 g for two days (12/12) or 4 g for one day (3/4). Some untoward reactions were observed in 8 cases, but it was not clinically significant. Ceftriaxone appears to be safe and effective in the treatment of typhoid fever when administered in a single dose of 4 g for one day or 3 g for two days on an outpatients basis.
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