ROLE OF OVERNIGHT RIFAMPIN TEST IN DIAGNOSING OF GILBERT’S SYNDROME

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MOUSAVI SHAHROKH; MALEK M.; BABAEI M.; ALAAVI TOUSI J.

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Journal: Studies in Medical Sciences Year:2005 | Volume:16 | Issue:1 Page(s): 44-49

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Title

ROLE OF OVERNIGHT RIFAMPIN TEST IN DIAGNOSING OF GILBERT’S SYNDROME

Author(s)

MOUSAVI SHAHROKH | MALEK M. | BABAEI M. | ALAAVI TOUSI J. | Issue Writer Certificate

Keywords

BILIRUBINQ4

GILBERT’S SYNDROMEQ3

RIFAMPINQ4

UNCONJUGATED HYPERBILIRUBINEMIAQ4

Abstract

Backgrounds & Aims: GILBERT’S SYNDROME (GS) is the most common inherited disorder of hepatic BILIRUBIN metabolism. Recent data shows that RIFAMPIN test can be used as a diagnostic test but there is controversy about its effect on BILIRUBIN level in normal individuals. We studied the effect of administration of RIFAMPIN on serum BILIRUBIN level in patients with GS and healthy individuals.Materials & Methods: Serum total and unconjugated BILIRUBIN levels were measured in 16 patients with GS and 15 healthy individuals before and after a single 600-mg oral dose of RIFAMPIN.Results: In GS cases, mean serum total and unconjugated BILIRUBIN level increased from 2.15±0.49 and 1.56±0.41 mg/dl, respectively to 3.23±0.72 (p<0.001) and 2.52±0.71 mg/dl (p<0.001), respectively after RIFAMPIN administration, and in healthy subjects from 0.69±0.13 and 0.34±0.09 mg/dl respectively to 1.68±0.56 (p<0.001) and 0.84±0.23 mg/dl (p<0.001), respectively. Elevation of these levels above the normal cut-offs had poor accuracy for the diagnosis of GS. However, elevation of total serum BILIRUBIN after RIFAMPIN above 2.4 mg/dl was 93.8% sensitive and 93.3% specific for the diagnosis of GS and elevation of unconjugated BILIRUBIN above 1.3 mg/dl was 100% sensitive and 100% specific.Conclusion: RIFAMPIN elevates BILIRUBIN level to more than normal concentration in GS and healthy subjects also. Overnight RIFAMPIN test may be useful for the diagnosis of GS, if cut-off levels for serum total and unconjugated BILIRUBIN level of more than 2.4 and 1.3 mg/dl after overnight RIFAMPIN are used.

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APA: Copy

MOUSAVI, SHAHROKH, MALEK, M., BABAEI, M., & ALAAVI TOUSI, J.. (2005). ROLE OF OVERNIGHT RIFAMPIN TEST IN DIAGNOSING OF GILBERT’S SYNDROME. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 16(1), 44-49. SID. https://sid.ir/paper/385051/en

Vancouver: Copy

MOUSAVI SHAHROKH, MALEK M., BABAEI M., ALAAVI TOUSI J.. ROLE OF OVERNIGHT RIFAMPIN TEST IN DIAGNOSING OF GILBERT’S SYNDROME. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2005;16(1):44-49. Available from: https://sid.ir/paper/385051/en

IEEE: Copy

SHAHROKH MOUSAVI, M. MALEK, M. BABAEI, and J. ALAAVI TOUSI, “ROLE OF OVERNIGHT RIFAMPIN TEST IN DIAGNOSING OF GILBERT’S SYNDROME,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 16, no. 1, pp. 44–49, 2005, [Online]. Available: https://sid.ir/paper/385051/en

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