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©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 14, 2012; 18(26): 3400-3408
Published online Jul 14, 2012. doi: 10.3748/wjg.v18.i26.3400
Published online Jul 14, 2012. doi: 10.3748/wjg.v18.i26.3400
Table 1 Additional adenoma detection rates for second exams by indication for procedure
Indication | Group A (SC, then TEC) | Group B (TEC, then SC) | Net additional detection with TEC (%) | ||||
SC 1st | TEC 2nd | Additional in 2nd exam (%) | TEC 1st | SC 2nd | Additional in 2nd exam (%) | ||
All indications | 107 | 49 | 45.8 | 115 | 26 | 22.6 | 23.2 |
Screening | 54 | 19 | 35.2 | 52 | 16 | 30.8 | 4.4 |
Surveillance | 37 | 20 | 54.1 | 49 | 9 | 18.4 | 35.7 |
Diagnostic | 16 | 10 | 62.5 | 14 | 1 | 7.1 | 55.4 |
Surveillance + diagnostic | 53 | 30 | 56.6 | 63 | 10 | 15.9 | 40.7 |
Table 2 Adenoma miss rates1 by indication for procedure
Indication | Group A standard colonoscopy first | Group B Third Eye colonoscopy first | Relative risk2 (95% CI) | P |
All Indications3 | 49/173 = 0.283 | 26/176 = 0.148 | 1.92 (1.25-2.94) | 0.029 |
Screening | 19/91 = 0.209 | 16/85 = 0.188 | 1.11 (0.62-2.04) | 0.815 |
Surveillance | 20/36 = 0.556 | 9/51 = 0.176 | 3.15 (1.63-6.10) | 0.014 |
Diagnostic | 10/44 = 0.227 | 1/38 = 0.026 | 8.64 (1.16-64.41) | 0.039 |
Surveillance + diagnostic | 30/80 = 0.375 | 10/89 = 0.112 | 3.34 (1.74-6.39) | 0.003 |
Table 3 Per-polyp miss rates for standard colonoscopy and Third Eye colonoscopy by size of adenoma and indication for procedure
Adenomas missed with standard colonoscopy during 1st exams in group A (%) | Adenomas missed with Third Eye colonoscopy during 1st exams in group B (%) | |||||
< 10 mm | ≥10 mm | All sizes | < 10 mm | ≥10 mm | All sizes | |
All indications | 33.8 | 11.8 | 31.4 | 20.8 | 0 | 18.4 |
Screening | 27.7 | 12.5 | 26.0 | 28.1 | 0 | 23.5 |
Surveillance | 37.7 | 0 | 35.1 | 16.7 | 0 | 15.5 |
Diagnostic | 42.9 | 20.0 | 38.5 | 7.1 | 0 | 6.7 |
Surveillance + diagnostic | 39.2 | 11.1 | 36.1 | 14.7 | 0 | 13.7 |
Table 4 Mean procedural times (min)
Indication | All exams with SC | All exams with TEC | ||
Withdrawal time | Total procedure time | Withdrawal time | Total procedure time | |
All indications | 7.6 | 17.0 | 9.5 | 20.9 |
Screening | 7.5 | 16.0 | 9.6 | 19.4 |
Surveillance | 7.9 | 16.4 | 9.5 | 21.8 |
Diagnostic | 7.5 | 19.8 | 9.6 | 23.2 |
Surveillance + diagnostic | 7.7 | 18.1 | 9.5 | 22.5 |
- Citation: Siersema PD, Rastogi A, Leufkens AM, Akerman PA, Azzouzi K, Rothstein RI, Vleggaar FP, Repici A, Rando G, Okolo PI, Dewit O, Ignjatovic A, Odstrcil E, East J, Deprez PH, Saunders BP, Kalloo AN, Creel B, Singh V, Lennon AM, DeMarco DC. Retrograde-viewing device improves adenoma detection rate in colonoscopies for surveillance and diagnostic workup. World J Gastroenterol 2012; 18(26): 3400-3408
- URL: https://www.wjgnet.com/1007-9327/full/v18/i26/3400.htm
- DOI: https://dx.doi.org/10.3748/wjg.v18.i26.3400