THE STUDY OF BOOSTER EFFECT AFTER SEQUENTIAL PPD TEST

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DANESHJOU KH.; HAGHSHENAS Z.

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2003 | Volume:61 | Issue:1 Page(s): 41-46

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Information Journal Paper

Title

THE STUDY OF BOOSTER EFFECT AFTER SEQUENTIAL PPD TEST

Author(s)

DANESHJOU KH. | HAGHSHENAS Z. | Issue Writer Certificate

Keywords

MYCOBACTERIUM TUBERCULOSISQ4

INFECTIONQ4

TUBERCULIN TESTQ4

BOOSTER EFFECTQ4

Abstract

Introduction: INFECTION by M. tuberculosis can be demonstrated by TUBERCULIN TESTing. On sequential PPD some person show a marked increase in the size of their skin reactions which may not be due to recent or past tuberculous INFECTION. This phenomenon (booster effect) can occur as soon as a week after the initial test and persist for as long as a year.Methods and Materials: The purpose of this research is studying the size of induration following repeated PPD tests (booster effect) that studied in children who came to our clinic or imbedded in pediatric unit and the group of student in grades 4 and 5 at elementary school (totally 80 cases) for one year.Results: Increase of induration in 25% of all (20 cases) was 5 mm or more and in 75% of all (60 cases) was less than 5 mm and between these two groups, differences was meaning full (P<0.05). The increase of induration in 12.5% was 7 mm or more.Conclusion: Because there is not shown definite increase of induration (more than 5mm) on sequential PPD in children, we must to consider to new INFECTION.

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APA: Copy

DANESHJOU, KH., & HAGHSHENAS, Z.. (2003). THE STUDY OF BOOSTER EFFECT AFTER SEQUENTIAL PPD TEST. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 61(1), 41-46. SID. https://sid.ir/paper/38609/en

Vancouver: Copy

DANESHJOU KH., HAGHSHENAS Z.. THE STUDY OF BOOSTER EFFECT AFTER SEQUENTIAL PPD TEST. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2003;61(1):41-46. Available from: https://sid.ir/paper/38609/en

IEEE: Copy

KH. DANESHJOU, and Z. HAGHSHENAS, “THE STUDY OF BOOSTER EFFECT AFTER SEQUENTIAL PPD TEST,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 61, no. 1, pp. 41–46, 2003, [Online]. Available: https://sid.ir/paper/38609/en

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