Table 4 Data about tracheal stenoses after PDT from follow-up investigations with telephone interview and questionnaire
Authors (year)/reference | Design | Number of patients | Tracheotomy method | Number of patients with tracheal stenosis, (%) | Time of follow-up (months) | Type of follow-up |
|---|---|---|---|---|---|---|
Hill et al. (1996) [18] | prospective | p 353 f 214 | PDT (C) | symptomatic stenosis 8 (3.7) | 10 | telephone interview, clinical examination |
Law et al. (1997) [19] | prospective | p 109 f 41 | PDT (C) | stenosis > 40% 1 (2.4) | 6 | telephone interview, spirometry, endoscopy |
Rosenbower et al. (1998) [20] | prospective | p 95 f 55 | PDT (C) | subglottic stenosis 2 (2.0) | 12 | endoscopy ENT, telephone interview |
Norwood et al. (2000) [17] | prospective | p 422 f 100 | PDT (C) | stenosis > 50% 3 (3.0) | 26 | telephone interview, endoscopy, CT |
Escarment et al. (2000) [21] | prospective | p 162 f 81 | GWDF (G) | surgery due to stenosis 4 (4.9) | 3 | clinical visit, endoscopy, telephone interview |
Dollner et al. (2002) [22] | retrospective | p 60 f 19 | GWDF (G) | stenosis > 25–50% 2 (3.3) stenosis > 50% 1 (1.6) | 17 | telephone interview, clinical examination, endoscopy |
Young et al. (2014) [23] | prospective | p 120 f 50 | PDT (B) | stenosis > 46% 5 (4.0) | 3 | questionnaire, MRI, spirometry |