Suspected pulmonary tuberculosis in rural South Africa--sputum induction as a simple diagnostic tool?

摘要: Objectives . To assess the value of sputum induction (SI) as a diagnostic tool for patients with suspected pulmonary tuberculosis (PTB) who are unable to expectorate or who have a negative smear, Design , Study an inpatient cohort undergoing SL Setting Mseleni Hospital, rural district hospital in northern KwaZulu-Natal. Subjects All adult TB seen at the hospital over 4-month period, Outcome measures (i) Successful SI; (ii) acid-fast smear result; (iii) change admission diagnosis result of procedure; and (iv) number patients discharged other than represented within 4 months TB, Results A total 51 (31 female) underwent of these 36 (71 %) were able produce sample, Fifteen (42%) those acid-fast smear-positive (29% of all included), The was changed in 16 (44%) give an induced sample opposed (27%) had been despite attempt (P = 038). Three (125%) 24 discharge diagnosis (17 pneumonia, 3 old 2 carcinoma lung, 1 bronchiectasis) turned out have TB within follow-up period; 2 had extrapulmonary TB Conclusion SI produced positive smear result 29% of patients previously been smear-negative expectorate. method proved aid clinical decision making.