Glaukos iStent inject® Trabecular Micro-Bypass Implantation Associated with Cataract Surgery in Patients with Coexisting Cataract and Open-Angle Glaucoma or Ocular Hypertension: A Long-Term Study

Table 4

Outcome variables reported in the studies that have addressed the efficacy of iStent GTS-400 placement. The data provided for the present study are end-follow-up data for the 20 eyes enrolled and 5-year results for 11 eyes.

Source	n	Combined phaco	Follow-up (months)	Mean IOP reduction (mmHg) from preop	IOP ≤ 18 mmHg; w/o meds	Mean reduction in meds
Arriola-Villalobos et al. [14]	20	Yes	12		50%
Voskanyan et al. [15]	92	No	12	versus	66%	NA
Klamann et al. [16]	17	No	6	versus	NA	versus
Fea et al. [17]	94	No	12		92.6%	NA
Present study	20	Yes			40%
	11		60		28%

Preoperative IOP refers to medicated IOP. (n: number of patients; w/o: without; data not available, mean preoperative versus mean postoperative data; same set of patients; NA: not available.)