Prevalence of Latent Tuberculosis (TB) Infection Diagnosed by Interferon-gamma Release Assay and Tuberculin Skin Tests in Patients With Old Healed TB

Seoul National University Hospital480 enrolled

Overview

We easily regard nodules and fibrosis in upper lobes of lung as TB sequelae. The aim of this study is to confirm the prevalence of latent TB infection diagnosed by interferon-gamma release assay and tuberculin skin tests in patients with old healed TB.

Study Type

OBSERVATIONAL

Enrollment

480

Conditions

Tuberculosis

Eligibility

Sex: ALLMin age: 20 YearsMax age: 80 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Age \> 20 years * Patients with TB sequelae in their CXR Exclusion Criteria: * Patients on immune-suppressants

Locations (1)

Seoul National University Hospital

Seoul, South Korea

Outcomes

Primary Outcomes

Prevalence of latent TB infection

Time frame: At enrollment

Data from ClinicalTrials.gov

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