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Modified inexpensive needle for suprachoroidal triamcinolone acetonide injections in pseudophakic cystoid macular edema.

ABSTRACT: Pseudophakic cystoid macular edema (PCME) is one of the leading causes of reduced vision, after cataract surgery. Topical steroids and nonsteroidal anti-inflammatory drops are frequently used in the management; however, intravitreal injections may be required for chronic cases. Suprachoroidal injection of preservative free Triamcinolone acetonide is a recent addition to the therapeutic armamentarium of ophthalmologists for treatment of cystoid macular edema of varied etiology. Though the drug is commercially available at a reasonable cost, the microneedle is not commonly available. We modified a 26 G needle for safe and cost-effective delivery of preservative-free suprachoroidal triamcinolone acetonide (SCT). In the current series of three patients with non-resolving PCME, macular edema resolved and vision improved over 3 months.

SUBMITTER: Oli A

PROVIDER: S-EPMC7942133 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Modified inexpensive needle for suprachoroidal triamcinolone acetonide injections in pseudophakic cystoid macular edema.

Oli Avadhesh A Waikar Shrikant S

Indian journal of ophthalmology 20210301 3

Pseudophakic cystoid macular edema (PCME) is one of the leading causes of reduced vision, after cataract surgery. Topical steroids and nonsteroidal anti-inflammatory drops are frequently used in the management; however, intravitreal injections may be required for chronic cases. Suprachoroidal injection of preservative free Triamcinolone acetonide is a recent addition to the therapeutic armamentarium of ophthalmologists for treatment of cystoid macular edema of varied etiology. Though the drug is ...[more]

PMID: 33595522

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Project description:Our objective was to investigate the efficacy and safety of dexa methasone (DEX) implant for the treatment of pseudophakic cystoid macular edema (PCME) in diabetic patients.This was a prospective, non-randomized, interventional case series of 43 participants. Eighteen patients were enrolled in the DEX implant group and 25 were enrolled in an intravitreal triamcinolone acetonide (IVTA) group.The primary efficacy measurement was the percentage of patients who gained improvements of more than ten letters in best corrected visual acuity (BCVA) during 6 months of follow-up. Other efficacy measurements included change in BCVA, change in central macular thickness (CMT), and number of retreatments. The primary safety evaluation was the percentage of patients with intraocular hypertension and variation in intraocular pressure (IOP) during 6 months of follow-up. Other adverse events, such as conjunctival hemorrhage, eye pain, secondary infection, endophthalmitis, noninfectious inflammation, retinal detachment, and implant migration, were also recorded during follow-up.At month 1, we observed that the percentage of patients gaining improvement of more than ten letters was similar in both groups (P = 0.625). As patients in the IVTA group were retreated several times, this effect persisted throughout the study (P = 0.941 at month 2, P = 0.553 at month 3, P = 0.856 at month 6). Variations in CMT were noticed at week 1 and reached their maximum at month 1. No significant difference was found between the two groups (P = 0.831 at week 1, P = 0.783 at month 1). At month 1, the variation in IOP reached its maximum in the DEX implant group and then decreased slightly. However, in the IVTA group, it increased continuously throughout the study. Conjunctival hemorrhage and eye pain were found in both groups, but both were rated as mild in severity, and no significant difference was found (P = 0.184, P = 0.766, respectively).Both IVTA and DEX implants could effectively restore visual function and recover morphological change in diabetic patients with PCME for at least 6 months, but repeated intravitreal injection was required in the IVTA group. DEX implant is well tolerated. We suggest that intravitreal injection of DEX implant is a promising new therapeutic option for diabetic patients with PCME.

Dataset Information

Modified inexpensive needle for suprachoroidal triamcinolone acetonide injections in pseudophakic cystoid macular edema.

Publications

Modified inexpensive needle for suprachoroidal triamcinolone acetonide injections in pseudophakic cystoid macular edema.

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