Displaying publications 1 - 20 of 73 in total

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  1. PONNAMPALAM JT
    Med J Malaysia, 1964 Mar;18:201-4.
    PMID: 14157186
    Matched MeSH terms: Skin Tests*
  2. Ponnampalam JT
    Br J Dis Chest, 1964 Apr;58:49-55.
    PMID: 14152216
    A survey of 227 patients from 5-60 years of age revealed the presence of positive histoplasmin skin tests in 10.5 per cent. and positive complement-fixation tests in 19-8 per cent. Sputum from 13 of the 37 patients who had a positive complement-fixation test were cultured for H. capsulatum but with negative results. Exposure to infection by the fungus is equally distributed among the different race and age groups. A careful and constant watch should be kept for histoplasmosis in all chest hospitals as a certain number of cases may be present. It tends to elude diagnosis unless specially sought as it resembles the clinical picture of tuberculosis or other granulomatous disease. It presents a field for further investigation and research in Malaya.
    Matched MeSH terms: Skin Tests*
  3. Bisseru B
    Med J Malaya, 1968 Sep;23(1):35-40.
    PMID: 4237554
    Matched MeSH terms: Skin Tests*
  4. Pearson JMH, Pettit JHS, Siltzbach LE, Ridley DS, Hart PD, Rees RJ
    PMID: 5394258
    Kveim tests using a validated material have been undertaken in Malaysia on 39 patients (32 Chinese; 4 Malay and 3 Aboriginal) with lepromatous or tuberculoid leprosy. All the patients had been treated for leprosy, most for two or more years. The tests were read microscopically. Of the 21 lepromatous patients one gave a weak positive and two an equivocal Kveim test whereas four of the nine tuberculoid patients gave equivocal or weak Kveim positivity. Only the tuberculoid form elicits a higher proportion of granulomas than might be expected in a comparable normal population. Of nine patients (8 lepromatous; 1 tuberculoid ) who failed to sensitize well to tuberculin
    following two BCG vaccinations, two gave equivocal Kveim tests similar in appearance to those in the other groups.
    Matched MeSH terms: Skin Tests*
  5. Randhawa HS
    Mycopathol Mycol Appl, 1970;41(1):75-89.
    PMID: 4938836
    Matched MeSH terms: Skin Tests
  6. Dondero TJ, Ramachandran CP
    PMID: 5028861
    Matched MeSH terms: Skin Tests*
  7. Krishnamurthy S, Verghese R, Job CK
    PMID: 1241690
    The response to lepromin and Kveim antigens was compared and studied in 15 leprosy patients who were tuberculin negative. Of the 11 lepromin positive tuberculoid patients, 4 were Kveim positive, 1 was equivocal, and the rest were negative. Of the four lepromin negative lepromatous patients, one gave a positive Kveim test while the other three were negative. It has been shown that false-positive Kveim reactions are found in a higher percentage of South Indian leprosy patients than in those of other backgrounds, such as Japanese and Malaysian Chinese patients. It is also suggested that no definite relationship exists between the reaction of leprosy patients to lepromin and Kveim antigens. We further suggest that the anergy exhibited by lepromatous patients to the antigen of M. leprae is specific, as evidenced by the positive Kveim response in one lepromatous patient.
    Matched MeSH terms: Skin Tests*
  8. Fellner MJ
    Int J Dermatol, 1976 Sep;15(7):497-504.
    PMID: 134974
    Matched MeSH terms: Skin Tests
  9. Thomas V, Bock Hay Am Tan, Rajapaksa AC
    Ann Allergy, 1978 Feb;40(2):114-6.
    PMID: 629426
    Three groups of people with different clinical histories and manifestations to house dust were skin tested with Dermatophagoides pteronyssinus extracts. The results showed close correlation between positive skin tests and clinical sensitivity to dust. The correlation was not, however, perfect and, although D. pteronyssinus is a major factor in house dust allergy, it does not appear to be the sole antigen involved.
    Matched MeSH terms: Skin Tests
  10. Zulkifli A, Weng CK
    Med J Malaysia, 1979 Dec;34(2):153-5.
    PMID: 548718
    Matched MeSH terms: Skin Tests
  11. Kwa BH, Mak JW
    Trans R Soc Trop Med Hyg, 1980;74(4):522-7.
    PMID: 7445050
    The possible depression of cell-mediated immunity by long-term Brugia malayi infection in jirds (Meriones unguiculatus) was investigated. Different groups of infected jirds were sensitized with dinitrofluorobenzene, sheep red blood cells, Dirofilaria immitis adult antigens and B. malayi adult antigens. The 24-hour delayed type hypersensitivity skin response to testing with antigen was measured as an in vivo correlate of cell-mediated immunity. The delayed-type hypersensitivity responses to dinitrofluorobenzene, sheep red blood cells and D. immitis antigens were normal but the response to B. malayi antigens was significantly depressed, confirming that long-term B. malayi infection depresses cell-mediated immunity and that this depression is specific to B. malayi antigens.
    Matched MeSH terms: Skin Tests
  12. Gurbachan I, Idruss H
    Med J Malaysia, 1983 Jun;38(2):121-5.
    PMID: 6621441
    This study shows that out of 774 patients tested, the house dust mite (Dermatophagoides pteronyssinus) provoked the maximum response (51.81%) the house dust was second (42.81%), and shrimp was third (23.92%). The moderate allergenic extracts were cat fur (12.79%), dog fur (10.72%), cockroach (8.47%) egg white (7.56%) and orris powder (6.30%). Among the low allergenic extracts were Aspergillus fumigatus (5.38%), Staphyloccus aureaus (3.53%) and chicken feathers (3.18%). The authors are of the opinion that the skin sensitivity test is an important diagnostic tool in allergic rhinitis and since this is a preliminary study any short listing of allergens to be used is not recommended yet. Skin sensitivity tests is a useful tool for differentiating allergic rhinitis from vasomotor rhinitis. Estimation of allergen specific IgE concentration in the serum will not offer any major advantages over the intradermal skin test in determining the clinical significance of house dust mite allergy. 21 The development of local materials for skin testing may enhance the usefulness of these investigations.
    Matched MeSH terms: Skin Tests*
  13. Ross I
    Br J Dis Chest, 1984 Oct;78(4):369-75.
    PMID: 6487527 DOI: 10.1016/0007-0971(84)90170-0
    Asthmatic patients constitute up to 5% of admissions to medical wards in our area. Analysis of 1099 adult asthmatic admissions over a 3-year period showed that Malays composed 31% of patients (expected 23%), Indians composed 36% (expected 31%) and Chinese only 32% (expected 46%). There was a reduced prevalence of asthma in the Chinese (P less than 0.001). Male asthmatic admissions showed a non-seasonal cyclic variation (P less than 0.01) with an increasing trend in the number of admissions (P less than 0.02). The proportion of male to female asthmatic admissions did not differ. In a sample of 50 asthmatic patients, studied in detail, the mean age of onset was 33.3 years (range 6-74) while only 14% of subjects had onset of asthma before the age of 10 years. Although the clinical features of these patients differ from those of Caucasian asthmatics, skin prick tests and other features suggest that the majority of our patients suffer from extrinsic atopic asthma.
    Study site: Hospital [unknown], Pulau Pinang, Malaysia
    Matched MeSH terms: Skin Tests
  14. Ho TM, Yit YH, Husain M
    Asian Pac J Allergy Immunol, 1988 Dec;6(2):103-6.
    PMID: 3146256
    Allergy to Dermatophagoides pteronyssinus was determined in 61 rhinitis patients using prick test (PT), enzyme-immunoassay (EIA) and enzyme-linked immunosorbent assay (ELISA). A total of 43 patients tested positive with PT. Forty six patients were positive when tested with EIA and ELISA. With PT as standard test, EIA was found to have 83.7% sensitivity and 44.4% specificity; ELISA had 81.4% sensitivity and 38.9% specificity. There was a linear relationship between absorbance values obtained by EIA and ELISA. The performance time was 8 hours, 24 hours and 30 minutes for ELISA, EIA and PT respectively. The cost per test for ELISA, EIA and PT was US$ 0.20, US$ 5.20 and US$ 0.14 respectively. It was concluded that ELISA was more cost-effective than EIA should be used to supplement PT for a more complete diagnosis of allergy.
    Matched MeSH terms: Skin Tests/methods
  15. Yaacob I, Elango S
    Asian Pac J Allergy Immunol, 1991 Jun;9(1):39-43.
    PMID: 1776978
    In a study of 124 adult patients with bronchial asthma, 65% of them had associated rhinitis. In the asthmatics who had associated rhinitis, both diseases usually started within two years of one another but either disease might develop first. In 21% of the patients, asthmatic attacks were preceded or precipitated by rhinitis symptoms. In the patients who had asthma alone or those associated with rhinitis, no significant difference were found in terms of age and sex distribution, age of onset, and a positive family history of asthma, rhinitis or allergic diseases. Response to skin prick test using six different types of allergens also showed no difference in the two groups of patients. Sensitivity to house dust was common among both groups of patients as well as in the normal controls suggesting a common occurrence of house dust mite in our community and making the skin prick test using this allergen unsuitable as a test for atopy in our population.
    Study site: Chest clinic, Hospital Universiti Sains Malaysia (HUSM), Kelantan, Malaysia
    Matched MeSH terms: Skin Tests
  16. Ismail Y
    Med J Malaysia, 1992 Mar;47(1):69-73.
    PMID: 1387454
    To assess the prevalence of skin test sensitivity among asthmatic patients in Malaysia, skin prick tests for allergy in 134 adult asthmatic patients and 120 control subjects were done. 90% of asthmatic patients had positive skin test to at least one allergens as compared to 78% of the controls. House dust mite was the most frequent allergen to which the subjects had positive reactions. Sixty-four percent of the asthmatic patients had associated rhinitis. There was no significant difference in the skin test sensitivity between asthmatic patients with associated rhinitis and those without.
    Matched MeSH terms: Skin Tests*
  17. Kurup VP, Kelly KJ, Turjanmaa K, Alenius H, Reunala T, Palosuo T, et al.
    J Allergy Clin Immunol, 1993 Jun;91(6):1128-34.
    PMID: 8509575
    BACKGROUND: Patients with latex sensitivity and latex antigens from the United States and Finland, two countries where allergic reactions to latex have been widely reported, were evaluated to determine the spectrum of immune responses.

    METHODS: Sera from 27 patients from Finland and 18 from the United States with latex allergy and control sera from nonsensitive individuals were studied for latex-specific IgE antibodies. Four antigen preparations were used: two extracted from gloves and one each extracted from rubber tree sap from Malaysia and India. All 45 patients had skin prick test results that were positive to latex antigens, and all sera were evaluated by enzyme-linked immunosorbent assay (ELISA) with the various antigens.

    RESULTS: There were considerable differences in the reactivity of patient sera with the different antigens. Only 50% of the sera from patients with latex allergy from Finland demonstrated significant levels of IgE to latex as determined by enzyme-linked immunosorbent assay. These patients showed more reactivity with rubber tree sap antigens than with glove antigens. However, 72% of the patients from the United States demonstrated antibodies to latex, and no marked differences were noted between the antigen extracts.

    CONCLUSIONS: The results indicate that reagents such as rubber tree sap, which contain multiple clinically significant antigenic components, should be included in evaluation of latex allergy and that differences in patient populations may result in serologic variances.

    Matched MeSH terms: Skin Tests
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