Table 2.

Results of SGS therapy in 34 patients with GPA, depending on the type of treatment.

Treatment TypeNo. PatientsNo. SessionsTime between Sessions, Mos, MedianTime of Response since the Last Session, Mos, Median or Range (Yrs)Followup Period, Mos, Median or Range (Yrs)
IDIT + IST at the same time121
3212.6407
150.5–144 (12 yrs)0.5–240 (20 yrs)
110
Only IDIT71
525345
1460–108 (9 yrs)6–180 (15 yrs)
First IDIT42–80.88
IST added, reoccurring SGS41–61.2243
6–48 (4 yrs)6–96 (8 yrs)
Overall341–105377
0.5–168 (14 yrs)0.5–240 (20 yrs)
  • SGS: subglottic stenosis; GPA: granulomatosis with polyangiitis; IDIT: intratracheal dilation-injection technique; IST: immunosuppressive therapy.