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Biomedical subjects

S S Badrinath

Publications and source records attributed to S S Badrinath.

At least 19 recordsLinked to original sources

Peribulbar anesthesia for primary vitreoretinal surgery.

We prospectively studied the efficacy of peribulbar anesthesia in 76 consecutive patients who underwent vitreoretinal surgery. The mean duration of anesthesia was 124.74 +/- 50.17 minutes, and the mean duration of akinesia, 151.5 +/- 54.45 minutes. Adequate anesthesia and akinesia, independent of the duration of surgery, was obtained in 26 of 33 (78.8%) patients who underwent vitrectomy; 9 of 32 (28.1%) who underwent scleral buckling; and 2 of 11 (18.2%) who underwent vitrectomy combined with scleral buckling. In all, topical and systemic supplementation of drugs for inadequate anesthesia or akinesia allowed 32 of the 33 (97%) vitrectomies, 30 of the 32 (94%) scleral buckling procedures, and all 11 of the combined surgeries to be completed as planned. Three (4%) patients vomited, moved, or were restless, resulting in an operative complication or postponement of surgery. Fifty-eight (76%) said they would desire similar anesthesia if subsequent surgery was needed in the same or fellow eye. We conclude that peribulbar anesthesia should be considered primarily for patients requiring vitreous surgery alone, and as an alternative for patients requiring scleral buckling or combined surgery for whom general anesthesia is contraindicated.

Adult

Management of retinal detachment with choroidal coloboma.

Seventeen eyes with retinal detachment secondary to retinal breaks in the colobomatous area were managed by vitrectomy procedures. Endodrainage was done through the break in the colobomatous area, with simultaneous fluid-air exchange. Endolaser photocoagulation was performed along the colobomatous margin posteriorly, while the anterior portion was treated by transscleral cryopexy. Silicone oil was then exchanged with air. In nine cases, the silicone oil had to be removed for complications such as emulsification, glaucoma, and keratopathy; in three of these eyes, oil removal resulted in recurrent retinal detachment. At the 2-month follow-up visit, there was 100% anatomic success, and 12 eyes (70.6%) recovered visual acuity of 10/200 or better. Of the 11 eyes with follow-up of more than 6 months, in 9 (81.8%) the retina remained reattached at last-follow up, and in 6 eyes (54.5%) a visual acuity of 10/200 or better was obtained.

Adolescent

Efficacy and safety of apraclonidine in patients undergoing anterior segment laser surgery.

The efficacy of 1.0% apraclonidine (para-aminoclonidine) in preventing the rise of intraocular pressure following anterior segment, laser surgery was evaluated in a randomised double-masked study. Ninety-nine consecutive patients requiring laser treatment of the anterior segment were included in the study. They were randomised into two groups, one receiving 1.0% para-aminoclonidine and the other placebo (vehicle of para-aminoclonidine). The drug caused a statistically significant reduction in pressure after the laser treatment without causing clinically significant side effects such as bradycardia or hypotension.

Adult

Management of giant retinal breaks.

A retrospective study involving 40 eyes of 40 patients with giant retinal break is presented. A comparison is attempted between cases where silicone oil is used and in cases where it was not used. The final success rate was found to be same in the two groups on long term follow-up.

Adolescent