World health Organisation (WHO). Global Tuberculosis Report.; 2014. http://apps.who.int/iris/bitstream/10665/137094/1/9789241564809_eng.pdf?ua=1. Accessed November 3, 2014.
World health Organisation (WHO): WHO Global tuberculosis control report: Geneva, Switzerland. 2013. Available at http://www.who.int/tb/publications/factsheet_global.pdf.
Swaminathan S, Rekha B. Pediatric tuberculosis: global overview and challenges. Clin Infect Dis. 2010;50 Suppl 3:S184–94.
Central TB division, TB division: Revised National TB control Programme Annual Status Report. New Delhi. Directorate General of Health services, Ministry of Health and Family Welfare, Government of India, New Delhi, 2011.
John TJ, Vashishtha VM, John SM. 50 years of tuberculosis control in India: progress, pitfalls and the way forward. Indian Pediatr. 2013;50:93–8.
Zar HJ, Hanslo D, Apolles P, Swingler G, Hussey G. Induced sputum versus gastric lavage for microbiological confirmation of pulmonary tuberculosis in infants and young children: a prospective study. Lancet. 2005;365:130–4.
Marais BJ, Pai M. New approaches and emerging technologies in the diagnosis of childhood tuberculosis. Paediatr Respir Rev. 2007;8:124–33.
Nicol MP, Workman L, Isaacs W, Munro J, Black F, Eley B, et al. Accuracy of the Xpert MTB/RIF test for the diagnosis of pulmonary tuberculosis in children admitted to hospital in Cape Town, South Africa: a descriptive study. Lancet Infect Dis. 2011;11:819–24.
Hepple P, Ford N, McNerney R. Microscopy compared to culture for the diagnosis of tuberculosis in induced sputum samples: a systematic review. Int J Tuberc Lung Dis. 2012;16:579–88.
Bates M, O’Grady J, Maeurer M, Tembo J, Chilukutu L, Chabala C, et al. Assessment of the Xpert MTB/RIF assay for diagnosis of tuberculosis with gastric lavage aspirates in children in sub-Saharan Africa: a prospective descriptive study. Lancet Infect Dis. 2013;13:36–42.
Coulter JBS. Diagnosis of pulmonary tuberculosis in young children. Ann Trop Paediatr. 2008;28:3–12.
Swaminathan S, Datta M, Radhamani MP, Mathew S, Reetha AM, Rajajee S, et al. A profile of bacteriologically confirmed pulmonary tuberculosis in children. Indian Pediatr. 2008;45:743–7.
Nicol MP, Spiers K, Workman L, Isaacs W, Munro J, Black F, et al. Xpert MTB/RIF testing of stool samples for the diagnosis of pulmonary tuberculosis in children. Clin Infect Dis. 2013;57:e18–21.
Boehme CC, Nabeta P, Hillemann D, Nicol MP, Shenai S, Krapp F, et al. Rapid molecular detection of tuberculosis and rifampin resistance. N Engl J Med. 2010;363:1005–15.
World Health Organization (WHO). Automated Real-Time Nucleic Acid Amplification Technology for Rapid and Simultaneous Detection of Tuberculosis and Rifampicin Resistance: Xpert MTB/ RIF System. No. WHO/HTM/TB/2011.4. Geneva, Switzerland: World Health Organization; 2011. Available at http://whqlibdoc.who.int/publication/2011/9789241501545_eng.pdf.
Rachow A, Clowes P, Saathoff E, Mtafya B, Michael E, Ntinginya EN, et al. Increased and expedited case detection by Xpert MTB/RIF assay in childhood tuberculosis: a prospective cohort study. Clin Infect Dis. 2012;54:1388–96.
Sekadde MP, Wobudeya E, Joloba ML, Ssengooba W, Kisembo H, Bakeera-Kitaka S, et al. Evaluation of the Xpert MTB/RIF test for the diagnosis of childhood pulmonary tuberculosis in Uganda: a cross-sectional diagnostic study. BMC Infect Dis. 2013;13:133.
Nhu NTQ, Ha DTM, Anh ND, Thu DDA, Duong TN, Quang ND, et al. Evaluation of Xpert MTB/RIF and MODS assay for the diagnosis of pediatric tuberculosis. BMC Infect Dis. 2013;13:31.
Mukherjee A, Singh S, Lodha R, Singh V, Hesseling AC, Grewal HMS, et al. Ambulatory gastric lavages provide better yields of Mycobacterium tuberculosis than induced sputum in children with intrathoracic tuberculosis. Pediatr Infect Dis J. 2013;32:1313–7.
Parashar D, Kabra SK, Lodha R, Singh V, Mukherjee A, Arya T, et al. Does neutralization of gastric aspirates from children with suspected intrathoracic tuberculosis affect mycobacterial yields on MGIT culture? J Clin Microbiol. 2013;51:1753–6.
Lodha R, Mukherjee A, Singh V, Singh S, Friis H, Faurholt-Jepsen D, et al. Effect of micronutrient supplementation on treatment outcomes in children with intrathoracic tuberculosis: a randomized controlled trial. Am J Clin Nutr. 2014;100(5):1287–97.
Prajapati S, Upadhyay K, Mukerjee A, Kabra SK, Lodha R, Singh V, Grewal HMS, Singh S. Delhi Pediatric TB study group. High prevalence of primary drug resistance in children with intrathoracic tuberculosis in India. Paedia Int Child Health. 2015 (in press). doi:10.1179/2046905515Y.0000000041.
Kumar P, Benny P, Jain M, Singh S. Comparison of an in-house multiplex PCR with two commercial immunochromatographic tests for rapid identification and differentiation of MTB from NTM isolates. Int J Mycobacteriol. 2014;3(1):50–6.
Kent PT, Kubica GP: Public Health Mycobacteriology: A Guide for the Level III Laboratory. U.S. Department of Health and Human Services. 1985.
Becton Dickinson: Product catalog, Becton, Dickinson and Company, Franklin Lakes, NJ. 2012. Available at <http://www.bd.com/ds/productCenter/MT-BactecMgit960.asp> Accessed on January 12, 2014.
McGee S. Simplifying likelihood ratios. J Gen Intern Med. 2002;17:646–9.
Zeka AN, Tasbakan S, Cavusoglu C. Evaluation of the GeneXpert MTB/RIF assay for rapid diagnosis of tuberculosis and detection of rifampin resistance in pulmonary and extrapulmonary specimens. J Clin Microbiol. 2011;49:4138–41.
Walusimbi S, Bwanga F, De Costa A, Haile M, Joloba M, Hoffner S. Meta-analysis to compare the accuracy of GeneXpert, MODS and the WHO 2007 algorithm for diagnosis of smear-negative pulmonary tuberculosis. BMC Infect Dis. 2013;13:507.
Moure R, Muñoz L, Torres M, Santin M, Martín R, Alcaide F. Rapid detection of Mycobacterium tuberculosis complex and rifampin resistance in smear-negative clinical samples by use of an integrated real-time PCR method. J Clin Microbiol. 2011;49:1137–9.
Abadco DL, Steiner P. Gastric lavage is better than bronchoalveolar lavage for isolation of Mycobacterium tuberculosis in childhood pulmonary tuberculosis. Pediatr Infect Dis J. 1992;11:735–8.
Walters E, Goussard P, Bosch C, Hesseling AC, Gie RP. GeneXpert MTB/RIF on Bronchoalveolar Lavage Samples in Children With Suspected Complicated Intrathoracic Tuberculosis: A Pilot Study. Pediatr Pulmonol. 2014;49(11):1133–7. doi:10.1002/ppul.22970.
Sula L, Sundaresan TK, Langerová M. Effects of storage and transport on the cultivability of mycobacteria. Bull World Health Organ. 1960;23:635–51.
Paramasivan CN, Narayana AS, Prabhakar R, Rajagopal MS, Somasundaram PR, Tripathy SP. Effect of storage of sputum specimens at room temperature on smear and culture results. Tubercle. 1983;64:119–24.
Tessema B, Beer J, Emmrich F, Sack U, Rodloff AC. Rate of recovery of Mycobacterium tuberculosis from frozen acid-fast-bacillus smear-positive sputum samples subjected to long-term storage in Northwest Ethiopia. J Clin Microbiol. 2011;49:2557–61.
Banda HT, Harries AD, Boeree MJ, Nyirenda TE, Banerjee A, Salaniponi FM. Viability of stored sputum specimens for smear microscopy and culture. Int J Tuberc Lung Dis. 2000;4:272–4.
Helb D, Jones M, Story E, Boehme C, Wallace E, Ho K, et al. Rapid detection of Mycobacterium tuberculosis and rifampin resistance by use of on-demand, near-patient technology. J Clin Microbiol. 2010;48:229–37.