| Effect of the Honan intraocular pressure reducer in sub-Tenon's anesthesia. | |
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MedLine Citation:
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PMID: 15030837 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To ascertain whether the Honan intraocular pressure reducer (HIPR) has an effect on the preoperative intraocular pressure (IOP), surgeon's assessment of anesthesia, and patients' analgesic experience when sub-Tenon's anesthesia is used for routine cataract surgery. SETTING: Princess Alexandra Eye Pavilion, Edinburgh, Scotland. METHOD: Forty-five eyes of 45 patients having routine phacoemulsification cataract surgery were randomized to receive 10 minutes of ocular compression using the HIPR or no compression after administration of sub-Tenon's anesthesia. The IOP was measured immediately before and immediately and 10 minutes after sub-Tenon's anesthesia administration using a standard technique. One surgeon who was masked to the randomization process performed all injections and completed a questionnaire on aspects of the anesthetic block. Patients scored their level of analgesia during surgery. RESULTS: The mean rise in IOP immediately after administration of sub-Tenon's anesthesia was 1.39 mm Hg +/- 3.91 (SD) (95% confidence interval +0.22 to 2.57; P =.021). In the 22 patients who received compression, there was a mean IOP reduction of 4.20 +/- 2.74 mm Hg at 10 minutes. The mean difference between the compression and no-compression groups at 10 minutes was 4.99 mm Hg (P<.0001). There was no difference in the surgeon's scores for any aspect of the sub-Tenon's anesthesia (P>.05). All patients reported good levels of analgesia. CONCLUSIONS: There was a significant reduction in IOP after compression using the HIPR. However, the rise in IOP after administration of sub-Tenon's anesthesia was small and the use of the HIPR did not make a significant difference in the effectiveness of the anesthesia to the surgeon or patients. |
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Authors:
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James H Vallance; Niall Patton; Andrew Ferguson; Harry G Bennett |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Journal of cataract and refractive surgery Volume: 30 ISSN: 0886-3350 ISO Abbreviation: J Cataract Refract Surg Publication Date: 2004 Feb |
Date Detail:
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Created Date: 2004-03-19 Completed Date: 2004-05-10 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8604171 Medline TA: J Cataract Refract Surg Country: United States |
Other Details:
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Languages: eng Pagination: 433-6 Citation Subset: IM |
Affiliation:
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Princess Alexandra Eye Pavilion, Edinburgh, Scotland, United Kingdom. jimvallance@hotmail.com |
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Anesthesia, Local / methods* Anesthetics, Combined / administration & dosage Anesthetics, Local / administration & dosage* Balloon Dilatation* Bupivacaine / administration & dosage Connective Tissue Double-Blind Method Female Humans Intraocular Pressure* Lidocaine / administration & dosage Male Manometry Ocular Hypertension / prevention & control* Phacoemulsification / methods |
| Chemical | |
Reg. No./Substance:
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0/Anesthetics, Combined; 0/Anesthetics, Local; 137-58-6/Lidocaine; 2180-92-9/Bupivacaine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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