| Association of raised intraocular pressure and its correlation to the energy used with raised versus normal intraocular pressure following Nd: YAG laser posterior capsulotomy in pseudophakes. | |
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MedLine Citation:
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PMID: 20688017 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To determine the frequency of raised intraocular pressure (IOP) after Nd: YAG laser posterior capsulotomy and its association with the energy used with raised versus normal intraocular pressure in pseudophakes. STUDY DESIGN: Comparative, cross-sectional study. PLACE AND DURATION OF STUDY: Ophthalmology Department, PNS Shifa Hospital, Karachi, from August 2008 to February 2009. METHODOLOGY: Pseudophakes having poor vision due to posterior capsular opacification (PCO) in an otherwise normal looking eye and intraocular pressure between 10-20 mmHg were included in the study. Patients with diabetic retinopathy, corneal diseases, inflammatory eye diseases, posterior segment surgery, glaucoma, trabeculectomy, maculopathy and any systemic disease were excluded from the study. Particulars of the eligible patients and pre-laser intraocular pressure were entered in specially designed proforma. Nd: YAG laser posterior capsulotomy was done. Laser energy used was noted and then their post-laser intraocular pressure was checked after 4 hours. Unpaired t-test was used for comparison of means of IOP and energy levels. Chi-square test was applied to compare the proportions of patients with raised and the normal IOP with YAG laser energy used during posterior capsulotomy. RESULTS: Raised intraocular pressure (IOP>or=5 mmHg from the baseline) after Nd: YAG laser posterior capsulotomy was noted in both the 'low energy' and the 'high energy' groups but it was more common in the 'high energy' group (p<0.001, r=0.512). CONCLUSION: Higher YAG laser energy has significantly higher chances of raising IOP. Hence, it was recommended that each patient undergoing Nd: YAG laser capsulotomy should receive minimum possible laser energy and must be followed up for raised intraocular pressure. |
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Authors:
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Muhammad Waseem; Haseeb Ahmed Khan |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of the College of Physicians and Surgeons--Pakistan : JCPSP Volume: 20 ISSN: 1022-386X ISO Abbreviation: J Coll Physicians Surg Pak Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-06 Completed Date: 2010-10-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9606447 Medline TA: J Coll Physicians Surg Pak Country: Pakistan |
Other Details:
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Languages: eng Pagination: 524-7 Citation Subset: IM |
Affiliation:
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Department of Ophthalmology, PNS Shifa Hospital, Karachi. muhammadwaseem57@gmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Female Humans Intraocular Pressure* Lasers, Solid-State / therapeutic use* Male Middle Aged Postoperative Period Pseudophakia / surgery* |
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