PubMed · 14440321
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H RUSSER. 1960. [Diamox in glaucoma therapy].. https://pubmed.ncbi.nlm.nih.gov/14440321/
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AIMS/BACKGROUND: To analyse the effectiveness and safety of cyclodiode treatment in eyes with silicone oil-related raised intraocular pressure (IOP) and to correlate the results with clinical features of treated eyes. METHODS: Retrospective review of case notes of all eyes that underwent cyclodiode treatment following injection of silicone oil at Moorfields Eye Hospital between April 1993 and January 2003 and were followed up for at least 1 year. RESULTS: In all, 38 patients were followed up for between 13 and 113 months. Totally, 17 had silicone oil in situ at the time of first treatment. The mean pretreatment IOP was 31.4 mmHg (SD 10.9), reducing to 18.6 mmHg (SD 8.6) at 1 year and to 13.9 mmHg (SD 8.4) at the final follow-up visit (P<0.001). Before treatment, 28 (73.7%) patients were on two or more topical medications. This was reduced to 18 (47.4%) patients (P=0.013) at 1 year and 13 (34.2%) patients (P=0.0007) at final follow-up. Use of oral acetazolamide for glaucoma was reduced from 16 (42.1%) patients precyclodiode to five (13.2%) patients at 1 year (P=0.0034) and three (7.9%) patients at the final visit (P=0.001). Four patients (10.5%) at 1 year and five patients (13.2%) at the final visit had hypotony (defined as IOP of less than 5 mmHg). One patient had enucleation 75 months following first cyclodiode treatment. CONCLUSION: Diode laser photocoagulation can successfully control silicone oil-induced raised intraocular pressure where medical treatment fails. Reduction of IOP appears to be maintained long term.
Limb shaking TIA is a rare but well-known feature of severe carotid artery stenosis. The authors report a patient who developed recurrent shaking movements of a leg. An angiogram showed the focal stenosis of the anterior cerebral artery. Ictal and postacetazolamide SPECT scans suggested a local hyperfunction of cortical neurons and an impaired hemodynamic reserve in the vicinity of the ischemic area.
Previous studies suggested an involvement of gamma-aminobutyric acid (GABA)-mediated excitation by an enhanced efflux of bicarbonate ions in addition to retarded development of GABAergic inhibition in the syndrome of dt(sz) mutant hamsters, a model of paroxysmal dyskinesia in which dystonic episodes occur in response to stress. Acetazolamide blocks bicarbonate regeneration in neurons and can thereby reduce GABA-mediating excitation without affecting GABA-mediated inhibition. In the present study, the effects of acetazolamide (15-60 mg/kg, i.p.) on severity of dystonia were therefore examined in dt(sz) hamsters. Acetazolamide significantly reduced the severity of dystonia at a dose of 60 mg/kg. These data are in line with several case reports from patients with paroxysmal dystonia, suggesting that acetazolamide can be useful in the treatment of this movement disorder. The mechanism of the antidystonic efficacy of acetazolamide has to be examined by further studies.