مدى انتشار إيجابية اختبار السلين عند مرضى التحال الدموي المزمن وقيمته التشخيصية

The aim of this studywas asses the prevalence of positive tuberculin skin test in chronic haemodialysispatients at Alassad University Hospital in Lattakia and to evaluate the risk factors that can influence TST results. We can decrease the prevalence of TB and the conversion of latent TB to active TB.84 patients were tested, using the PPD .Up to three booster injections were given with a 7 day intervalto patients not responding to the first test. The positive TST was 15.4%for the first test, 28.5% for the second test, and 33.3% forthe third and fourth tests. There was no influence of age, gender, primary renal disease, (previous or active) or immunosuppressive therapy. There was a significant correlation between TST positivityand a history of positive TST or TB . CXR and positiveTST were not correlated, yet a positive CXR increasedthe detection of patients with latent TBup to 44%.So two consecutive TSTswere sufficient to recruit most of the booster reactions and aTST in combination with CXR is a usefultool to detect infection with TB in haemodialysispatients.