Local anaesthetic techniques and pulsatile ocular blood flow
AIM To compare pulsatile ocular blood flow (POBF) and intraocular pressure (IOP) between eyes of patients receiving either peribulbar (with and without balloon compression) or subconjunctival local anaesthesia (LA). METHODS 30 eyes of 30 patients undergoing cataract surgery by phacoemulsification we...
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| creator | Chang, Bernard Y P Hee, Wendy C Lum Ling, Roland Broadway, David C Beigi, Bijan |
| description | AIM To compare pulsatile ocular blood flow (POBF) and intraocular pressure (IOP) between eyes of patients receiving either peribulbar (with and without balloon compression) or subconjunctival local anaesthesia (LA). METHODS 30 eyes of 30 patients undergoing cataract surgery by phacoemulsification were investigated in a study of parallel group design. Ten patients had peribulbar LA and 10 minutes compression with a Honan's balloon (group A). A further 10 patients who received peribulbar LA alone (group B) acted as controls for the effects of balloon compression. Ten other patients were given subconjunctival LA (group C). POBF and IOP were measured using a modified Langham pneumatonometer. Three measurements were made in each eye, the first recording immediately before LA, the second 1 minute after, and the third 10 minutes after LA. RESULTS No significant change in POBF or IOP was recorded in eyes receiving subconjunctival LA. In the peribulbar groups (A and B), there was a drop in median POBF of 252 and 138 μl/min respectively 1 minute after LA, which was statistically significant in both groups (p |
| doi_str_mv | 10.1136/bjo.84.11.1260 |
| format | Article |
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METHODS 30 eyes of 30 patients undergoing cataract surgery by phacoemulsification were investigated in a study of parallel group design. Ten patients had peribulbar LA and 10 minutes compression with a Honan's balloon (group A). A further 10 patients who received peribulbar LA alone (group B) acted as controls for the effects of balloon compression. Ten other patients were given subconjunctival LA (group C). POBF and IOP were measured using a modified Langham pneumatonometer. Three measurements were made in each eye, the first recording immediately before LA, the second 1 minute after, and the third 10 minutes after LA. RESULTS No significant change in POBF or IOP was recorded in eyes receiving subconjunctival LA. In the peribulbar groups (A and B), there was a drop in median POBF of 252 and 138 μl/min respectively 1 minute after LA, which was statistically significant in both groups (p<0.01). By 10 minutes, POBF tended to return to baseline levels, but remained significantly reduced in group B (p<0.05). In addition, there was a significant (p<0.05) reduction in IOP (mean drop of 4.82 mm Hg) in group A following peribulbar LA with balloon compression. CONCLUSIONS POBF was significantly reduced after peribulbar LA but was unchanged after subconjunctival LA. Balloon compression reduced IOP and improved POBF following peribulbar LA. The findings may have clinical implications in patients with compromised ocular circulation or significant glaucomatous optic neuropathy.</description><identifier>ISSN: 0007-1161</identifier><identifier>EISSN: 1468-2079</identifier><identifier>DOI: 10.1136/bjo.84.11.1260</identifier><identifier>PMID: 11049951</identifier><identifier>CODEN: BJOPAL</identifier><language>eng</language><publisher>BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd</publisher><subject>Aged ; Aged, 80 and over ; Anesthesia ; Anesthesia depending on type of surgery ; Anesthesia, Local - methods ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Anesthetics, Local - administration & dosage ; Biological and medical sciences ; Blood Flow Velocity - drug effects ; Blood Flow Velocity - physiology ; Bupivacaine - administration & dosage ; Colleges & universities ; Eye - blood supply ; Female ; Glaucoma ; Humans ; Intraocular Pressure - drug effects ; Intraocular Pressure - physiology ; Lidocaine - administration & dosage ; Male ; Medical sciences ; Middle Aged ; Optic nerve ; Original articles - Clinical science ; Orthopedic surgery. Maxillofacial surgery. Otorhinolaryngologic surgery. Stomatology. Ophtalmology. Investigation and treatment technics ; peribulbar anaesthesia ; Phacoemulsification ; Prospective Studies ; Pulsatile Flow - drug effects ; pulsatile ocular blood flow ; Statistics, Nonparametric ; subconjunctival anaesthesia ; Surgery ; Tetracaine - administration & dosage</subject><ispartof>British journal of ophthalmology, 2000-11, Vol.84 (11), p.1260-1263</ispartof><rights>British Journal of Ophthalmology</rights><rights>2001 INIST-CNRS</rights><rights>Copyright: 2000 British Journal of Ophthalmology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b514t-a460f4eaf220f877d8cfb1c7f4d5be0f90563c565749229e0d82ed08443463713</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1723293/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1723293/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=802593$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11049951$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chang, Bernard Y P</creatorcontrib><creatorcontrib>Hee, Wendy C Lum</creatorcontrib><creatorcontrib>Ling, Roland</creatorcontrib><creatorcontrib>Broadway, David C</creatorcontrib><creatorcontrib>Beigi, Bijan</creatorcontrib><title>Local anaesthetic techniques and pulsatile ocular blood flow</title><title>British journal of ophthalmology</title><addtitle>Br J Ophthalmol</addtitle><description>AIM To compare pulsatile ocular blood flow (POBF) and intraocular pressure (IOP) between eyes of patients receiving either peribulbar (with and without balloon compression) or subconjunctival local anaesthesia (LA). METHODS 30 eyes of 30 patients undergoing cataract surgery by phacoemulsification were investigated in a study of parallel group design. Ten patients had peribulbar LA and 10 minutes compression with a Honan's balloon (group A). A further 10 patients who received peribulbar LA alone (group B) acted as controls for the effects of balloon compression. Ten other patients were given subconjunctival LA (group C). POBF and IOP were measured using a modified Langham pneumatonometer. Three measurements were made in each eye, the first recording immediately before LA, the second 1 minute after, and the third 10 minutes after LA. RESULTS No significant change in POBF or IOP was recorded in eyes receiving subconjunctival LA. In the peribulbar groups (A and B), there was a drop in median POBF of 252 and 138 μl/min respectively 1 minute after LA, which was statistically significant in both groups (p<0.01). By 10 minutes, POBF tended to return to baseline levels, but remained significantly reduced in group B (p<0.05). In addition, there was a significant (p<0.05) reduction in IOP (mean drop of 4.82 mm Hg) in group A following peribulbar LA with balloon compression. CONCLUSIONS POBF was significantly reduced after peribulbar LA but was unchanged after subconjunctival LA. Balloon compression reduced IOP and improved POBF following peribulbar LA. The findings may have clinical implications in patients with compromised ocular circulation or significant glaucomatous optic neuropathy.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Anesthesia</subject><subject>Anesthesia depending on type of surgery</subject><subject>Anesthesia, Local - methods</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Anesthetics, Local - administration & dosage</subject><subject>Biological and medical sciences</subject><subject>Blood Flow Velocity - drug effects</subject><subject>Blood Flow Velocity - physiology</subject><subject>Bupivacaine - administration & dosage</subject><subject>Colleges & universities</subject><subject>Eye - blood supply</subject><subject>Female</subject><subject>Glaucoma</subject><subject>Humans</subject><subject>Intraocular Pressure - drug effects</subject><subject>Intraocular Pressure - physiology</subject><subject>Lidocaine - administration & dosage</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Optic nerve</subject><subject>Original articles - Clinical science</subject><subject>Orthopedic surgery. Maxillofacial surgery. Otorhinolaryngologic surgery. Stomatology. Ophtalmology. Investigation and treatment technics</subject><subject>peribulbar anaesthesia</subject><subject>Phacoemulsification</subject><subject>Prospective Studies</subject><subject>Pulsatile Flow - drug effects</subject><subject>pulsatile ocular blood flow</subject><subject>Statistics, Nonparametric</subject><subject>subconjunctival anaesthesia</subject><subject>Surgery</subject><subject>Tetracaine - administration & dosage</subject><issn>0007-1161</issn><issn>1468-2079</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNqFkduLEzEUxoMobq2--igDgrAPU3MyuQ3IgpRdFYoirJe3kMkkNjWd1GTGy39vui119cWHkJOcX76cjw-hx4AXAA1_3m3iQtJSL4BwfAfNgHJZEyzau2iGMRY1AIcz9CDnTTkSDuI-OgPAtG0ZzNCLVTQ6VHrQNo9rO3pTjdasB_9tsrlc99VuClmPPtgqminoVHUhxr5yIf54iO45HbJ9dNzn6MPV5fXydb169-rN8uWq7hjQsdaUY0etdoRgJ4XopXEdGOFozzqLXYsZbwzjTNCWkNbiXhLbY0lpQ3kjoJmji4Pubuq2tjd2GJMOapf8VqdfKmqv_u4Mfq2-xO8KBGlI2xSBZ0eBFPfGRrX12dgQ9GDjlFXBmJCFnKOn_4CbOKWhmCtaor1Z-3kWB8qkmHOy7jQKYLWPRZVYlKSlVvtYyoMntw38wY853PpX55KHS3owPp84iQm7sVEfKJ9H-_PU1emr4qIRTL39uFSfPlP2ntBrdVX48wPfbTf_G_E3zQOwvw</recordid><startdate>20001101</startdate><enddate>20001101</enddate><creator>Chang, Bernard Y P</creator><creator>Hee, Wendy C Lum</creator><creator>Ling, Roland</creator><creator>Broadway, David C</creator><creator>Beigi, Bijan</creator><general>BMJ Publishing Group Ltd</general><general>BMJ</general><general>BMJ Publishing Group LTD</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20001101</creationdate><title>Local anaesthetic techniques and pulsatile ocular blood flow</title><author>Chang, Bernard Y P ; Hee, Wendy C Lum ; Ling, Roland ; Broadway, David C ; Beigi, Bijan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b514t-a460f4eaf220f877d8cfb1c7f4d5be0f90563c565749229e0d82ed08443463713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Anesthesia</topic><topic>Anesthesia depending on type of surgery</topic><topic>Anesthesia, Local - methods</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Anesthetics, Local - administration & dosage</topic><topic>Biological and medical sciences</topic><topic>Blood Flow Velocity - drug effects</topic><topic>Blood Flow Velocity - physiology</topic><topic>Bupivacaine - administration & dosage</topic><topic>Colleges & universities</topic><topic>Eye - blood supply</topic><topic>Female</topic><topic>Glaucoma</topic><topic>Humans</topic><topic>Intraocular Pressure - drug effects</topic><topic>Intraocular Pressure - physiology</topic><topic>Lidocaine - administration & dosage</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Optic nerve</topic><topic>Original articles - Clinical science</topic><topic>Orthopedic surgery. Maxillofacial surgery. Otorhinolaryngologic surgery. Stomatology. Ophtalmology. Investigation and treatment technics</topic><topic>peribulbar anaesthesia</topic><topic>Phacoemulsification</topic><topic>Prospective Studies</topic><topic>Pulsatile Flow - drug effects</topic><topic>pulsatile ocular blood flow</topic><topic>Statistics, Nonparametric</topic><topic>subconjunctival anaesthesia</topic><topic>Surgery</topic><topic>Tetracaine - administration & dosage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chang, Bernard Y P</creatorcontrib><creatorcontrib>Hee, Wendy C Lum</creatorcontrib><creatorcontrib>Ling, Roland</creatorcontrib><creatorcontrib>Broadway, David C</creatorcontrib><creatorcontrib>Beigi, Bijan</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>British journal of ophthalmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chang, Bernard Y P</au><au>Hee, Wendy C Lum</au><au>Ling, Roland</au><au>Broadway, David C</au><au>Beigi, Bijan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Local anaesthetic techniques and pulsatile ocular blood flow</atitle><jtitle>British journal of ophthalmology</jtitle><addtitle>Br J Ophthalmol</addtitle><date>2000-11-01</date><risdate>2000</risdate><volume>84</volume><issue>11</issue><spage>1260</spage><epage>1263</epage><pages>1260-1263</pages><issn>0007-1161</issn><eissn>1468-2079</eissn><coden>BJOPAL</coden><abstract>AIM To compare pulsatile ocular blood flow (POBF) and intraocular pressure (IOP) between eyes of patients receiving either peribulbar (with and without balloon compression) or subconjunctival local anaesthesia (LA). METHODS 30 eyes of 30 patients undergoing cataract surgery by phacoemulsification were investigated in a study of parallel group design. Ten patients had peribulbar LA and 10 minutes compression with a Honan's balloon (group A). A further 10 patients who received peribulbar LA alone (group B) acted as controls for the effects of balloon compression. Ten other patients were given subconjunctival LA (group C). POBF and IOP were measured using a modified Langham pneumatonometer. Three measurements were made in each eye, the first recording immediately before LA, the second 1 minute after, and the third 10 minutes after LA. RESULTS No significant change in POBF or IOP was recorded in eyes receiving subconjunctival LA. In the peribulbar groups (A and B), there was a drop in median POBF of 252 and 138 μl/min respectively 1 minute after LA, which was statistically significant in both groups (p<0.01). By 10 minutes, POBF tended to return to baseline levels, but remained significantly reduced in group B (p<0.05). In addition, there was a significant (p<0.05) reduction in IOP (mean drop of 4.82 mm Hg) in group A following peribulbar LA with balloon compression. CONCLUSIONS POBF was significantly reduced after peribulbar LA but was unchanged after subconjunctival LA. Balloon compression reduced IOP and improved POBF following peribulbar LA. The findings may have clinical implications in patients with compromised ocular circulation or significant glaucomatous optic neuropathy.</abstract><cop>BMA House, Tavistock Square, London, WC1H 9JR</cop><pub>BMJ Publishing Group Ltd</pub><pmid>11049951</pmid><doi>10.1136/bjo.84.11.1260</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Aged, 80 and over Anesthesia Anesthesia depending on type of surgery Anesthesia, Local - methods Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Anesthetics, Local - administration & dosage Biological and medical sciences Blood Flow Velocity - drug effects Blood Flow Velocity - physiology Bupivacaine - administration & dosage Colleges & universities Eye - blood supply Female Glaucoma Humans Intraocular Pressure - drug effects Intraocular Pressure - physiology Lidocaine - administration & dosage Male Medical sciences Middle Aged Optic nerve Original articles - Clinical science Orthopedic surgery. Maxillofacial surgery. Otorhinolaryngologic surgery. Stomatology. Ophtalmology. Investigation and treatment technics peribulbar anaesthesia Phacoemulsification Prospective Studies Pulsatile Flow - drug effects pulsatile ocular blood flow Statistics, Nonparametric subconjunctival anaesthesia Surgery Tetracaine - administration & dosage |
| title | Local anaesthetic techniques and pulsatile ocular blood flow |
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