Drug Induced Sleep Endoscopy Identification of Adenoid Regrowth in Pediatric Obstructive Sleep Apnea

Table 2

Adenoid characteristics.

Variable		%
Initial adenoidectomy technique
Suction electrocautery	47	83.9
Coblation	9	16.1
Initial surgery
Tonsillectomy and adenoidectomy	47	83.9
Adenoidectomy	9	16.1
Preoperative adenoid size (mean ± 95% CI)	2.55 ± 0.24
Grade 0; 0%	0	0
Grade 1; <40%	7	13.5
Grade 2: 41%–70%	21	40.4
Grade 3; 71%–90%	18	34.6
Grade 4; 91%–100%	10	19.2
Postoperative adenoid size by DISE (mean ± 95% CI)	1.64 ± 0.33
Grade 0; 0%	11	19.6
Grade 1; <40%	20	35.7
Grade 2; 41%–70%	9	16.1
Grade 3; 71%–90%	10	17.9
Grade 4; 91%–100%	6	10.7
Regrowth as determined by DISE	25	44.6
# undergoing revision adenoidectomy	32	57.1

DISE, drug induced sleep endoscopy; CI, confidence interval.