This study suggests that in patients with NTG with progression that is disproportionate to their clinic IOP measurements, 24-hour phasing can reveal higher IOP spikes than those identified during typical office hours. RTONE is a safe, easy to use, and accurate device for self-monitoring of IOP.
In our opinion the G-probe should not be reused as inadequately reprocessed G-probe can lead to risk of nosocomial infections, serious iatrogenic complications, and medico-legal problems.
Purpose
To report long-term outcomes of trabeculectomy following prior endoscopic cyclophotocoagulation (ECP).
Methods
Retrospective case-controlled comparative study reporting 2-year outcomes of eyes undergoing trabeculectomy following failed prior ECP (group 1), using eyes undergoing trabeculectomy as a primary glaucoma procedure as controls (group 2).
Results
Filtration surgery was required in only 19.4% (12/62) of eyes undergoing ECP. Of these, nine eyes that underwent trabeculectomies were included in group 1. Nine matched eyes were used as controls and included in group 2. Mean baseline IOPs were 23.7 ± 7.7 and 26.0 ± 6.7 mmHg (
p
= 0.452) in groups 1 and 2, respectively, on a mean of 3.4 ± 0.9 and 2.8 ± 1.4 medications, respectively (
p
= 0.274). The mean 2-year IOP was 10.6 ± 5.2 and 12.9 ± 4.0 mmHg (
p
= 0.285) in groups 1 and 2, respectively, on a mean of 0.1 ± 0.3 and 0.1 ± 0.4 medications (
p
= 0.931) respectively. Complete success rates were 77.8% and 88.9% in groups 1 and 2, respectively (
p
= 0.527). Qualified success rates were 11.1% in both groups. Combined success rates were 88.9% and 100.0% in groups 1 and 2, respectively (
p
= 0.318). There were no failures in group 2, compared to 11.1% in group 1 (
p
= 0.318). There were no significant between-group differences in hypotony, bleb needling, cystoid macular oedema, persistent uveitis, or repeat filtration surgery rates.
Conclusions
ECP is a safe initial procedure in eyes with progressive glaucomas, and may substantially reduce the need for trabeculectomy without compromising outcomes in the minority that go on to require it.
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