REFERENCES
- Pin I, Gibson P G, Kolendowicz R, Girgis-Gabardo A, Denburg J A, Hargreave F E, Dolovich J. Use of induced sputum cell counts to investigate airway inflammation in asthma. Thorax 1992; 47: 25–29
- Pizzichini E, Pizzichini M MM, Efthimiadis A, Evans S, Morris M M, Squillace D, Gleich G J, Dolovich J, Hargreave F E. Indices of airway inflammation in induced sputum: reproducibility and validity of cell and fluid-phase measurements. Am J Respir Crit Care Med 1996; 154: 308–317
- Fahy J V, Wong H, Liu J, Boushey H A. Comparison of samples collected by sputum induction and by bronchoscopy from asthmatics and healthy subjects. Am J Respir Crit Care Med 1995; 152: 53–58
- Wilson A, Leigh R, Hargreave F, Pizzichini M, Pizzichini E. Safety of sputum induction in moderate-to-severe smoking-related Chronic Obstructive Pulmonary Disease. COPD: Journal of Chronic Obstructive Pulmonary Disease 2006; 3: 89–93
- Green R H, Brightling C E, McKenna S, Hargadon B, Parker D, Bradding P, Wardlaw A J, Pavord I D. Asthma exacerbations and sputum eosinophil counts: a randomised controlled trial. Lancet 2002; 360: 1715–1721
- Jayaram L, Pizzichini M M, Cook R J, Boulet L P, Lemiere C, Pizzichini E, Cartier A, Hussack P, Goldsmith C H, Laviolette M, Parameswaran K, Hargreave F E. Determining asthma treatment by monitoring sputum cell counts: effect on exacerbations. Eur Respir J 2006; 27: 483–494
- Bacci E, Cianchetti S, Bartoli M L, Dente F L. Di Franco A Vagaggini B Paggiaro P. Low sputum eosinophils predict the lack of response to beclomethasone in symptomatic asthmatic patients. Chest 2006; 129: 565–572
- Brightling C E, Monteiro W, Ward R, Parker D, Morgan M DL, Wardlaw A J, Pavord I D. Sputum eosinophilia and short term response to prednisolone in chronic obstructive pulmonary disease: a randomised controlled trial. Lancet 2000; 356: 1480–1485
- Brightling C E, McKenna S, Hargadon B, Birring S, Green R, Siva R, Berry M, Parker D, Monteiro W, Pavord I D, Bradding P. Sputum eosinophilia and the short term response to inhaled mometasone in chronic obstructive pulmonary disease. Thorax 2005; 60: 193–198
- Leigh R, Pizzichini M MM, Morris M M, Maltais F, Hargreave F E, Pizzichini E. Stable COPD: predicting benefit from high-dose inhaled corticosteroid treatment. Eur Respir J 2006; 27: 964–971
- Paggiaro P L. Sputum induction. Eur Respir J 2002; 20: 3–8
- Holz O, Kips J C, Magnussen H. Update on sputum methodology. Eur Respir J 2000; 16: 355–359
- Efthimiadis A, Spanevello A. Methods of sputum processing for cell counts, immunocytochemistry and in situ hybridisation. Eur Respir J 2002; 20: 19s–23s
- Kips J C. The use of induced sputum in clinical trials. Eur Respir J 2002; 20: 47s–50s
- Chinn S. Repeatability and method comparison. Thorax 1991; 46: 454–456
- Bland J M, Altman D G. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986; i: 307–310
- Holz O, Richter K, Jorres R A, Speckin P, Mucke M, Magnussen H. Changes in sputum composition between two inductions performed on consecutive days. Thorax 1998; 53: 83–86
- Nightingale J A, Rogers D F, Barnes P J. Effect of repeated sputum induction on cell counts in normal volunteers. Thorax 1998; 53: 87–90
- In't Veen J CCM, de Gouw H WFM, Smits H H, Sont J K, Hiemstra P S, Sterk P J, Bel E H. Repeatability of cellular and soluble markers of inflammation in induced sputum from patients with asthma. Eur Respir J 1996; 9: 2441–2447
- Brightling C E, Monterio W, Green R H, Parker D, Morgan M DL, Wardlaw A J, Pavord I D. Induced sputum and other outcome measures in chronic obstructive pulmonary disease: safety and repeatability. Respir Med 2001; 95: 999–1002
- Beeh K M, Beier J, Kornmann O, Mander A, Buhl R. Long-term repeatability of induced sputum cells and inflammatory markers in stable, moderately severe COPD. Chest 2003; 123: 778–783
- Pauwels R A, Buist A S, Calverley P MA, Jenkins C R, Hurd S S. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease. Am J Respir Crit Care Med 2001; 163: 1256–1276
- Boorsma M, Lutter R, van de Pol M A, Jansen H M, Jonkers R E. Inhaled budesonide suppresses airway and systemic eosinophilic inflammation in COPD. No predictive value of a prednisolone test treatment[Abstract]. Eur Respir J 2005; 26: 290s
- Fabbri L M, Hurd S S. Global strategy for the diagnosis, management and prevention of COPD: 2003 update. Eur Respir J 2003; 22: 1–2
- Quanjer P hH, Tammeling G J, Cotes J E, Pedersen O F, Yernault J C. Lung volumes and forced ventilatory flows. Report working party: Standardisation of lung function tests European Community for steel and coal. Official statement of the European Respiratory Society. Eur Respir J 1993; 6: 5–40
- Nocker R ET, Out T A, Weller F R, de Riemer M J, Jansen H M, van der Zee J S. Induced sputum and bronchoalveolar lavage as tools for evaluating the effects of inhaled corticosteroids in patients with asthma. J Lab Clin Med 2000; 136: 39–49
- Reimert C M, Venge P, Kharazmi A, Bendtzen K. Detection of eosinophilic cationic protein (ECP) by an enzyme-linked immunosorbent assay. J Immunol Meth 1991; 138: 285–290
- Bresser P, Out T A, van Alphen L, Jansen H M, Lutter R. Airway inflammation in nonobstructive and obstructive chronic bronchitis with chronic Haemophilus influenzae airway infection. Am J Respir Crit Care Med 2000; 162: 947–952
- Out T A, Jansen H M, van Steenwijk R P, de Nooijer M J, van de Graaf E A, Zuijderhoudt F MJ. ELISA of ceruloplasmin and alpha-2-macroglobulin in paired bronchoalveolar lavage fluid and serum samples. Clin Chim Acta 1987; 165: 277–288
- Fahy J V, Boushey H A, Lazarus S C, Mauger E A, Cherniack R M, Chinchilli V M, Craig T J, Drazen J M, Ford J G, Fish J E, Israel E, Kraft M, Lemanske R F, Martin R J, McLean D, Peters S P, Sorkness C, Szefler S J. Safety and reproducibilty of sputum induction in asthmatic subjects in a multicentre study. Am J Respir Crit Care Med 2001; 163: 1470–1475
- Swinscow T DV. Statistics at Square One (Ed 9). BMJ publishing group 1997
- van der Vaart H, Postma D S, Timens W, Kauffman H F, Hylkema M N, ten Hacken N HT. Repeated sputum inductions induce a transient neutrophilic and eosinophilic response. Chest 2006; 130: 1157–1164
- Bacci E, Cianchetti S, Carnevalli S, Bartoli M L, Dente F L, Di Franco A, Giannini D, Vagaggini B, Paggiaro P L. Induced sputum is a reproducible method to assess airway inflammation in asthma. Mediators Inflamm 2002; 11: 293–298