Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2017
Use of subconjunctival injections of 5-fluorouracil to rescue and prolong intraocular pressure reduction for a failing Ahmed glaucoma implant.
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Kaplowitz Kevin, Khodadadeh Sarah, Wang Samantha, Lee Daniel, Tsai James C
Аннотация
PURPOSE: 5-Fluorouracil (5-FU) has been well described for a failing trabeculectomy bleb, but not for aqueous shunts. We sought to determine whether subconjunctival 5-FU prolongs the intraocular pressure (IOP) efficacy of Ahmed shunts.
METHODS: We included all patients with Ahmed FP-7 implantation by one surgeon at Yale University. Patients with <3 months follow-up were excluded. Injections were done on a case-by-case basis, usually for IOP > 21 on >2 medications. Five-milligram (0.1 cc) injections were made over the plate. The control group consisted of Ahmed FP-7 patients without injections. The main outcome measure was IOP. Secondary outcome was success (IOP <21 mmHg, 20% decrease from preoperative IOP, and no reoperation).
RESULTS: The average age of controls was 72.5 ± 16.6 years, and 63.7 ± 18.8 with 5-FU (p = 0.02). Forty-four patients received 5-FU and 45 did not. Mean preoperative IOP in controls was 31.5 ± 11 mmHg on 3.1 ± 1 medications, and 31.9 ± 9.0 mmHg (p = 0.86) on 3.3 ± 0.9 medications with 5-FU (p = 0.18). At a mean 137 days after surgery, mean pre-injection IOP was 25.3 ± 7.7 mmHg on 2.0 ± 1.3 medications. Five years following implantation, control IOPs averaged 12.9 ± 7.1 mmHg (53% decrease from preoperative IOP, p < 0.001) on 1.4 ± 1.1 medications versus 17.2 ± 4.9 mmHg (46% decrease from preoperative, 32% decrease from pre-5FU IOP, p < 0.001) on 2.7 ± 0.8 medications with 5-FU. The IOP at 5 years was statistically similar in both groups (p = 0.23). Five-year success rates trended higher with 5-FU (77 vs. 67%, p = 0.38).
CONCLUSIONS: Subconjunctival injection of 5-FU sustained a significant long-term decline in intraocular pressures in eyes with failing Ahmed shunts. Outcomes between eyes receiving injections and controls were statistically similar.
METHODS: We included all patients with Ahmed FP-7 implantation by one surgeon at Yale University. Patients with <3 months follow-up were excluded. Injections were done on a case-by-case basis, usually for IOP > 21 on >2 medications. Five-milligram (0.1 cc) injections were made over the plate. The control group consisted of Ahmed FP-7 patients without injections. The main outcome measure was IOP. Secondary outcome was success (IOP <21 mmHg, 20% decrease from preoperative IOP, and no reoperation).
RESULTS: The average age of controls was 72.5 ± 16.6 years, and 63.7 ± 18.8 with 5-FU (p = 0.02). Forty-four patients received 5-FU and 45 did not. Mean preoperative IOP in controls was 31.5 ± 11 mmHg on 3.1 ± 1 medications, and 31.9 ± 9.0 mmHg (p = 0.86) on 3.3 ± 0.9 medications with 5-FU (p = 0.18). At a mean 137 days after surgery, mean pre-injection IOP was 25.3 ± 7.7 mmHg on 2.0 ± 1.3 medications. Five years following implantation, control IOPs averaged 12.9 ± 7.1 mmHg (53% decrease from preoperative IOP, p < 0.001) on 1.4 ± 1.1 medications versus 17.2 ± 4.9 mmHg (46% decrease from preoperative, 32% decrease from pre-5FU IOP, p < 0.001) on 2.7 ± 0.8 medications with 5-FU. The IOP at 5 years was statistically similar in both groups (p = 0.23). Five-year success rates trended higher with 5-FU (77 vs. 67%, p = 0.38).
CONCLUSIONS: Subconjunctival injection of 5-FU sustained a significant long-term decline in intraocular pressures in eyes with failing Ahmed shunts. Outcomes between eyes receiving injections and controls were statistically similar.