Ocular pulse amplitude during manipulation of systemic perfusion parameters
The mechanism for the control of choroidal perfusion is unclear. The present study was designed to investigate for the effect of standardized alteration of systemic perfusion parameters on choroidal hemodynamics in healthy volunteers. Intraocular pressure (IOP; German abbreviation: IOD), Ocular Puls...
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| Veröffentlicht in: | Klinische Monatsblätter für Augenheilkunde 1998-10, Vol.213 (4), p.241-244 |
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| container_title | Klinische Monatsblätter für Augenheilkunde |
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| creator | Schmidt, K G von Rückmann, A Klingmüller, V Becker, R Pillunat, L E Mittag, T W |
| description | The mechanism for the control of choroidal perfusion is unclear. The present study was designed to investigate for the effect of standardized alteration of systemic perfusion parameters on choroidal hemodynamics in healthy volunteers.
Intraocular pressure (IOP; German abbreviation: IOD), Ocular Pulse Amplitude (OPA), systemic blood pressure, and pulse rate were measured, and ocular perfusion pressure was calculated in 14 otherwise non-smoking, healthy volunteers prior to and following exercise and smoking.
Exercise significantly (sig., p < 0.05) increased pulse rate, systolic blood pressure and ocular perfusion pressure, while it sig. (p < 0.05) reduced IOP and diastolic blood pressure. However OPA was not sig. (p > 0.1) affected by changes in these parameters. Smoking sig. (p < 0.05) increased systolic blood pressure, diastolic blood pressure, pulse rate, and ocular perfusion pressure but did not sig. (p > 0.09) alter OPA.
Despite affecting ocular and systemic perfusion parameters, exercise and smoking did not alter OPA, suggesting functional isolation i.e. autoregulation of the choroidal and/or ophthalmic artery circulation. |
| doi_str_mv | 10.1055/s-2008-1034980 |
| format | Article |
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Intraocular pressure (IOP; German abbreviation: IOD), Ocular Pulse Amplitude (OPA), systemic blood pressure, and pulse rate were measured, and ocular perfusion pressure was calculated in 14 otherwise non-smoking, healthy volunteers prior to and following exercise and smoking.
Exercise significantly (sig., p < 0.05) increased pulse rate, systolic blood pressure and ocular perfusion pressure, while it sig. (p < 0.05) reduced IOP and diastolic blood pressure. However OPA was not sig. (p > 0.1) affected by changes in these parameters. Smoking sig. (p < 0.05) increased systolic blood pressure, diastolic blood pressure, pulse rate, and ocular perfusion pressure but did not sig. (p > 0.09) alter OPA.
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Intraocular pressure (IOP; German abbreviation: IOD), Ocular Pulse Amplitude (OPA), systemic blood pressure, and pulse rate were measured, and ocular perfusion pressure was calculated in 14 otherwise non-smoking, healthy volunteers prior to and following exercise and smoking.
Exercise significantly (sig., p < 0.05) increased pulse rate, systolic blood pressure and ocular perfusion pressure, while it sig. (p < 0.05) reduced IOP and diastolic blood pressure. However OPA was not sig. (p > 0.1) affected by changes in these parameters. Smoking sig. (p < 0.05) increased systolic blood pressure, diastolic blood pressure, pulse rate, and ocular perfusion pressure but did not sig. (p > 0.09) alter OPA.
Despite affecting ocular and systemic perfusion parameters, exercise and smoking did not alter OPA, suggesting functional isolation i.e. autoregulation of the choroidal and/or ophthalmic artery circulation.</description><subject>Adult</subject><subject>Choroid - blood supply</subject><subject>Female</subject><subject>Hemodynamics - physiology</subject><subject>Humans</subject><subject>Intraocular Pressure - physiology</subject><subject>Male</subject><subject>Middle Aged</subject><issn>0023-2165</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNotjz1PwzAURT2ASimsbEie2ALvxU7ijKjiS1TqAnPk2M8oKE6MHQ_99xTR6Ur3Hh3pMnaDcI9QVQ-pKAFUgSBkq-CMrQFKUZRYVxfsMqVvAJQt4oqtWiUVNLBm73uTRx15yGMirn0YhyVb4jbHYfriXk_DcdLLME98djwd0kJ-MDxQdDn9tUFH7WmhmK7YudNHzfUpN-zz-elj-1rs9i9v28ddEVCopXCyN72lqjataBRa14Kw2hhspCYLrukRyZKEviyFtqixdrUyVamrFmqyYsPu_r0hzj-Z0tL5IRkaRz3RnFPXAGItK3UEb09g7j3ZLsTB63joTu_FLxtwXAY</recordid><startdate>199810</startdate><enddate>199810</enddate><creator>Schmidt, K G</creator><creator>von Rückmann, A</creator><creator>Klingmüller, V</creator><creator>Becker, R</creator><creator>Pillunat, L E</creator><creator>Mittag, T W</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>199810</creationdate><title>Ocular pulse amplitude during manipulation of systemic perfusion parameters</title><author>Schmidt, K G ; von Rückmann, A ; Klingmüller, V ; Becker, R ; Pillunat, L E ; Mittag, T W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p138t-f4bcbde56c93781df903dacc174aed0f7b11ede40b223ad1a16f68c52a5906ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>ger</language><creationdate>1998</creationdate><topic>Adult</topic><topic>Choroid - blood supply</topic><topic>Female</topic><topic>Hemodynamics - physiology</topic><topic>Humans</topic><topic>Intraocular Pressure - physiology</topic><topic>Male</topic><topic>Middle Aged</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schmidt, K G</creatorcontrib><creatorcontrib>von Rückmann, A</creatorcontrib><creatorcontrib>Klingmüller, V</creatorcontrib><creatorcontrib>Becker, R</creatorcontrib><creatorcontrib>Pillunat, L E</creatorcontrib><creatorcontrib>Mittag, T W</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Klinische Monatsblätter für Augenheilkunde</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schmidt, K G</au><au>von Rückmann, A</au><au>Klingmüller, V</au><au>Becker, R</au><au>Pillunat, L E</au><au>Mittag, T W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ocular pulse amplitude during manipulation of systemic perfusion parameters</atitle><jtitle>Klinische Monatsblätter für Augenheilkunde</jtitle><addtitle>Klin Monbl Augenheilkd</addtitle><date>1998-10</date><risdate>1998</risdate><volume>213</volume><issue>4</issue><spage>241</spage><epage>244</epage><pages>241-244</pages><issn>0023-2165</issn><abstract>The mechanism for the control of choroidal perfusion is unclear. The present study was designed to investigate for the effect of standardized alteration of systemic perfusion parameters on choroidal hemodynamics in healthy volunteers.
Intraocular pressure (IOP; German abbreviation: IOD), Ocular Pulse Amplitude (OPA), systemic blood pressure, and pulse rate were measured, and ocular perfusion pressure was calculated in 14 otherwise non-smoking, healthy volunteers prior to and following exercise and smoking.
Exercise significantly (sig., p < 0.05) increased pulse rate, systolic blood pressure and ocular perfusion pressure, while it sig. (p < 0.05) reduced IOP and diastolic blood pressure. However OPA was not sig. (p > 0.1) affected by changes in these parameters. Smoking sig. (p < 0.05) increased systolic blood pressure, diastolic blood pressure, pulse rate, and ocular perfusion pressure but did not sig. (p > 0.09) alter OPA.
Despite affecting ocular and systemic perfusion parameters, exercise and smoking did not alter OPA, suggesting functional isolation i.e. autoregulation of the choroidal and/or ophthalmic artery circulation.</abstract><cop>Germany</cop><pmid>9848070</pmid><doi>10.1055/s-2008-1034980</doi><tpages>4</tpages></addata></record> |
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| ispartof | Klinische Monatsblätter für Augenheilkunde, 1998-10, Vol.213 (4), p.241-244 |
| issn | 0023-2165 |
| language | ger |
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| source | MEDLINE; Thieme Connect Journals |
| subjects | Adult Choroid - blood supply Female Hemodynamics - physiology Humans Intraocular Pressure - physiology Male Middle Aged |
| title | Ocular pulse amplitude during manipulation of systemic perfusion parameters |
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