Fiberoptic bronchoscopy for the rapid diagnosis of smear-negative pulmonary tuberculosis

BMC Infectious Diseases

Table 4 Bronchoscopic findings in 54 patients confirmed to have active PTB

	TB	Culture confirmed	Biopsy confirmed
	N = 54	N = 48	N = 6
Bronchial washing culture	42/54 (77.8)	42/48 (87.5)	0/6 (0.0)
Bronchial washing AFB smear	14/54 (25.9)	12/48 (25.0)	2/6 (33.3)
Bronchial washing MTB-PCR	33/54 (61.1)	32/48 (66.7)	1/6 (16.7)
Bronchoscopic biopsy (TBB + bronchial biopsy)	22/23 (95.7)	16/17 (94.1)	6/6 (100.0)
Bronchial washing AFB smear + MTB-PCR + bronchoscopic biopsy	41/54 (75.9)	35/48 (72.9)	6/6 (100.0)

Definition of abbreviations: PTB = pulmonary tuberculosis, TB = tuberculosis, AFB = acid-fast bacilli, MTB = mycobacterial tuberculosis, PCR = polymerase chain. reaction, TBB = transbronchial lung biopsy.
^*Numbers of patients with positive results in each test/total numbers of patients who underwent each test (%).

ISSN: 1471-2334