Journal of Yeungnam Medical Science

Chang Ho Jeon

6 Articles

Extra-LDH Isoenzyme(LD₆) in Myocardial Infarction with Serious Course: Two cases report.: Kyung Dong Kim, Myung Sook Choi, Chae Hoon Lee, Chang Ho Jeon, Chung Sook Kim, Young Jo Kim; Yeungnam Univ J Med. 1988;5(2):247-254. Published online December 31, 1988; DOI: https://doi.org/10.12701/yujm.1988.5.2.247

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Abstract PDF: Serum lactate dehydrogenase isoenzyme are separated 5 fractions (LD1-LD5) in normal serum by agarose electrophoresis. An unusual band on the cathodic side of LD5 isoenzyme has been found on lactate dehydrogenase electrophoresis is of serum, called LD6, and the presence of which signifies a poor prognosis for the patients of myocardial infarction. In recent, we have experienced LD6 in two patients with myocardial infarction. Cardiac arrest was noted within 24 hours after exhibition of LD6 extra band and they did not recover from their illness.

Medium Supplementation and Atmospheric Condition for Growth of Campylobacter pylori isolated from gastric biopsy tissue.: Chang Ho Jeon, Eun Kyung Bae, Kyung Dong Kim, Seak il Hong, Chung Sook Kim; Yeungnam Univ J Med. 1987;4(2):59-64. Published online December 31, 1987; DOI: https://doi.org/10.12701/yujm.1987.4.2.59

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Abstract PDF: Experiments were conducted to define the optimal constituents of culture medium and atmospheric condition for growth of Campylobacter pylori. Two clinical isolates were streaked onto various media, incubated in two different atmospheric conditions (microaerophilic condition and carbon dioxide incubator), and growth was assessed semiquantitatively according to relative colony size and extent of growth through the streak. The growth obtained on Campy media, composed of GC agar base plus 1% hemoglobin, 0.2% activated charcoal, 1% IsoVitaleX, vancomycin 6mg /L nalidixic acid 20mg/L and amphotercin 2 mg/L, was used as reference. Our conclusions were as follows: Tryptic soy agar base was not acceptable for the growth of C. pylori. The organism grew in both atmospheric conditions, but generally showed a scantier growth in the carbon dioxide incubator than under the microaerophilic condition, however GC agar containing 1% hemoglobin and 0.2% activated charcoal supported well the growth of C. pylori in the carbon dioxide incubator. The authors have found that the GC agar base supplemented with 1% hemoglobin and 0.2% charcoal was the most satisfactory medium and a microaerophilic condition was optimal atmospheric condition for the growth of Campylobacter pylori in this study.

A case of Cryptococcal Meningitis.: Khyoung Yhun O, Yeung Ju Byun, Choong Suh Park, Chang Ho Jeon, Chung Sook Kim; Yeungnam Univ J Med. 1987;4(1):139-143. Published online August 31, 1987; DOI: https://doi.org/10.12701/yujm.1987.4.1.139

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Abstract PDF: The clinical picture and CSF findings in cryptococcal meningitis may be identical with those of tuberculous meningitis. The differential diagnosis can be made by finding the budding yeast organism in the counting chamber of in stained smear, the detection of cryptococcal antigen in CSF by the latex agglutination test, and by culture of the fungus on Sabouraud agar. We experienced a case of cryptococcal meningitis in the 48 years old woman, which was confirmed by Indian ink preparation and culture.

Diagnostic Significance of Cold Agglutinin and Antimycoplasma Antibody for Mycoplasma pneumoniae Infection.: Chung Sook Kim, Chae Hoon Lee, Chang Ho Jeon, Eun Kyung Bae, Seak il Hong; Yeungnam Univ J Med. 1987;4(1):97-103. Published online August 31, 1987; DOI: https://doi.org/10.12701/yujm.1987.4.1.97

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Abstract PDF

A study to evaluate the diagnostic significance of M. pneumoniae Infection by measurements of cold agglutinin and antimycoplasma antibody titers is performed with 191 pediatric patients who have visited Yeungnam University Hospital during the period through January to July, 1987. Forty eight of 191 cases made follow up tests feasible. The results obtained are as follows: 1. It is necessary to perform routine combined measurements of cold agglutinin and antimycoplasma antibody titers for the all pediatric pneumonia caser since a large proportion of pneumonia in children is caused by M. pneumonia. 2. For the diagnosis of M. pneumoniae Infection, measurements of cold agglutinin titer alone seems to be less significant than to check both cold agglutinin and antimycoplasma antibody titers. 3. The measurement of antimycoplasma antibody titer appeared to be more specific than cold agglutinin test in the diagnosis of M. pneumoniae Infection. 4. The present study urges the necessity of follow up study of cold agglutinin and antimycoplasma antibody titer for those who initially presented with normal titers in both tests, but are clinically suspected for M. pneumoniae Infection.

Citations

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Mycoplasma pneumoniae pneumonia in Korean children, from 1979 to 2006-a meta-analysis
Jin Woo Kim, Hyun Kyong Seo, Eun Gyong Yoo, Sung Jin Park, So Hwa Yoon, Hye Young Jung, Man Yong Han
Korean Journal of Pediatrics.2009; 52(3): 315. CrossRef

Diagnostic Significance of Total Lactate Dehydrogenase(LD) and LD Isoenzyme Measurement in the Body Fluids.: Chang Ho Jeon, Eun Kyung Bae, Seok Il Hong, Chung Sook Kim, Young Hyun Lee; Yeungnam Univ J Med. 1986;3(1):193-199. Published online December 31, 1986; DOI: https://doi.org/10.12701/yujm.1986.3.1.193

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Abstract PDF: Body fluid Lactate dehydrogenase and its isoenzyme Measurement was performed in 132 patients: 8 cases with peritonitis, 21 cases with malignant ascites, 43 cases with liver cirrhosis, 48 cases with tuberculous pleuritis, 12 cases with malignant pleural effusion respectively. Body fluid protein and glucose contents, red blood cell counts, white blood cell counts, cytologic examination were also performed as a comparative study. The results were as follows: 1. Measurement of total LD and protein amount could differentiate between transudate and exudates in the ascitic fluids. 2. In the malignant exudate of ascites and pleural fluid, the activity of LD2 isoenzyme was statistically increased compared with that of inflammatory exudates and the activity of LD4 isoenzyme was also incereased compared with that of serum (P<0.05). 3. The inflammatory exudates of pleural fluid and ascites demonstrated the increase of LD5 isoenzyme activity statistically compared with that of serum and malignant exudates (P<0.05). 4. A difference of total LD activity between malignant ascites and inflammatory ascites was significant statistically, while this was not observed in the pleural exudate. 5. Total LD and LD5 isoenzyme activity didn't correlated with the number of white blood cells in the exudate.

Statistical Analysis of Antimicrobial Susceptibility Tested on Various Clinical Isolates of Bacteria.: Eun Kyung Bae, Chang Ho Jeon, Seok Il Hong, Chung Sook Kim; Yeungnam Univ J Med. 1986;3(1):185-192. Published online December 31, 1986; DOI: https://doi.org/10.12701/yujm.1986.3.1.185

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Abstract PDF: Antimicrobial susceptibility of the bacterial strains isolated from clinical specimens during the period from June, 1983 to June, 1986 in Yeungnam Medical Center was studied and the following results were obtained. 1. Staphylococcus aureus was highly susceptible to cephalothin and its susceptibility to methicillin was gradually reduced. 2. Streptococcus strains except enterococcus were generally susceptible to penicillin, while most enterococci were susceptible to only ampicillin. 3. Gram-negative rods including Escherichia coli were highly susceptible to amikacin and tobramycin. 4. Serratia were generally less susceptible to the amtimicrobials tested than other Enterobacteriaceae. Among them, Serratia marcescens showed the highest susceptibility to amikacin and chloramphenicol. 5. Pseudomonas aeruginosa revealed the highest susceptibility to amikacin and tobramycin and moderate susceptibility to carbenicillin and gentamycin. 6. Acinetobacter calcoaceticus revealed low susceptibility to most antimicrobials tested, showing only 30% susceptibility to amikacin, tobramycin and gentamycin in 1986.

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