Abstract:
PURPOSE:To evaluate the impact of dynamic exercise on retinal vessel oxygen saturation in healthy individuals. METHODS:Twenty-six healthy participants underwent moderate dynamic exercise (modified Master's two-step exercise). In all subjects, intraocular pressures (IOP), systolic and diastolic blood pressures (SBP and DBP), retinal vessel calibres and retinal arterial and venous oxygen saturation were measured at baseline, immediately following exercise and 15 min postexercise. RESULTS:Moderate dynamic exercise increased SBP and DBP immediately postexercise (SBP: 116 (±13) mmHg to 150 (±21) mmHg; p < 0.001 and DBP: 69 (±10) mmHg to 74 (±10); p < 0.001), while IOP decreased by an average of 2 mmHg (baseline: 13 (±3) mmHg)) immediately postexercise (11 (±2) mmHg). Oxygen saturation in retinal arteries remained unchanged (baseline = 93 ± 8%; immediately postexercise = 94 ± 9% and 15 min postexercise = 96 ± 8%; p = 0.069), but increased in retinal veins immediately postexercise and did not return to baseline values within 15 min postexercise (baseline = 54 ± 12%; immediately postexercise = 56 ± 15%; 15 min postexercise=57 ± 12%; p = 0.036). CONCLUSION:There is a mild increase in retinal venous oxygen saturation and there is a trend towards an increase in arterial saturation in otherwise healthy individuals following dynamic exercise.
journal_name
Acta Ophthalmoljournal_title
Acta ophthalmologicaauthors
Heitmar R,Vekria P,Cubbidge RPdoi
10.1111/aos.13576subject
Has Abstractpub_date
2018-05-01 00:00:00pages
e298-e303issue
3eissn
1755-375Xissn
1755-3768journal_volume
96pub_type
杂志文章abstract::There is still no agreement on total plasma homocysteine (tHcy) role in age-related macular degeneration (AMD), the leading cause of new blindness in industrialized countries. We performed a systematic review and meta-analysis of the published data on the correlation between tHcy and AMD. MEDLINE/PubMed and ISI Web of...
journal_title:Acta ophthalmologica
pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究
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更新日期:2009-11-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2016-09-01 00:00:00
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更新日期:2021-01-02 00:00:00
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更新日期:2019-11-26 00:00:00
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更新日期:2014-08-01 00:00:00
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更新日期:2009-06-01 00:00:00
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pub_type: 杂志文章
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更新日期:2018-11-01 00:00:00
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pub_type: 杂志文章
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更新日期:2019-12-29 00:00:00