Retinal vessel diameters and microvascular abnormalities in patients with carotid stenosis before and 6 months after carotid endarterectomy: A prospective study Article Swipe
Marianne Ala‐Kauhaluoma
,
Petra Ijäs
,
Suvi Koskinen
,
Krista Nuotio
,
Pirkka Vikatmaa
,
Heli Silvennoinen
,
Kristiina Relander
,
Perttu J. Lindsberg
,
Lauri Soinne
,
Paula Summanen
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1111/aos.15633
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1111/aos.15633
Purpose To assess retinal findings in patients with severe carotid stenosis (CS) before and after carotid endarterectomy (CEA) compared to those in controls. Methods This study is based on 70 patients (male 81%, mean age 69) scheduled for CEA in Helsinki University Hospital and 41 healthy nonmedicated controls (male 76%, mean age 68). Our examinations included fundus photographs. Semi‐automated software (Vesselmap, Imedos) served for evaluation of central retinal arterial equivalent (CRAE) and venular equivalent (CRVE), and arterio‐venous ratio (AVR) in both eyes. We assessed fundus photographs to subjectively grade microvascular abnormalities in the ipsilateral eyes including focal arteriolar narrowing and irregularities, arteriolar wall reflex, arterio‐venous crossing signs and arteriolar and venular tortuosity in the macula. Results CRAE was similar in the ipsi‐and contralateral eyes of our patients, and similar to that of the controls both pre‐ and postoperatively. Preoperatively, we observed higher CRVE in the patients' ipsilateral than in their contralateral eyes (222 vs. 217 μm, p = 0.009), and likewise higher than in controls' eyes (222 vs. 214 μm, p = 0.024). CRVE decreased postoperatively in the patients' ipsilateral eyes (222 vs. 217 μm, p = 0.037). Among the microvascular abnormalities, arteriolar and venular tortuosity in the macula showed higher grades in the patients than in the controls preoperatively ( p = 0.035 and p = 0.043), but not postoperatively ( p = 0.15 and p = 0.10). Conclusions CRVE decreased after CEA, showing that venules constrict after the mechanical hindrance of blood flow is removed. Higher grades in arteriolar and venular tortuosity in the macula, a potential ocular biomarker of CS, subsided after CEA.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1111/aos.15633
- OA Status
- hybrid
- Cited By
- 4
- References
- 47
- Related Works
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- OpenAlex ID
- https://openalex.org/W4318451947
All OpenAlex metadata
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https://openalex.org/W4318451947Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1111/aos.15633Digital Object Identifier
- Title
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Retinal vessel diameters and microvascular abnormalities in patients with carotid stenosis before and 6 months after carotid endarterectomy: A prospective studyWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-01-29Full publication date if available
- Authors
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Marianne Ala‐Kauhaluoma, Petra Ijäs, Suvi Koskinen, Krista Nuotio, Pirkka Vikatmaa, Heli Silvennoinen, Kristiina Relander, Perttu J. Lindsberg, Lauri Soinne, Paula SummanenList of authors in order
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https://doi.org/10.1111/aos.15633Publisher landing page
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YesWhether a free full text is available
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hybridOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1111/aos.15633Direct OA link when available
- Concepts
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Medicine, Fundus (uterus), Retinal, Carotid endarterectomy, Ophthalmology, Blood flow, Stenosis, Surgery, CardiologyTop concepts (fields/topics) attached by OpenAlex
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4Total citation count in OpenAlex
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2024: 3, 2023: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.retinal | 4, 68 |
| abstract_inverted_index.showing | 235 |
| abstract_inverted_index.similar | 119, 129 |
| abstract_inverted_index.venular | 73, 111, 195, 253 |
| abstract_inverted_index.venules | 237 |
| abstract_inverted_index.Abstract | 0 |
| abstract_inverted_index.Helsinki | 41 |
| abstract_inverted_index.Hospital | 43 |
| abstract_inverted_index.arterial | 69 |
| abstract_inverted_index.assessed | 84 |
| abstract_inverted_index.compared | 19 |
| abstract_inverted_index.controls | 48, 134, 209 |
| abstract_inverted_index.crossing | 106 |
| abstract_inverted_index.findings | 5 |
| abstract_inverted_index.included | 56 |
| abstract_inverted_index.likewise | 161 |
| abstract_inverted_index.observed | 141 |
| abstract_inverted_index.patients | 7, 31, 205 |
| abstract_inverted_index.removed. | 247 |
| abstract_inverted_index.software | 60 |
| abstract_inverted_index.stenosis | 11 |
| abstract_inverted_index.subsided | 264 |
| abstract_inverted_index.biomarker | 261 |
| abstract_inverted_index.constrict | 238 |
| abstract_inverted_index.controls' | 165 |
| abstract_inverted_index.controls. | 23 |
| abstract_inverted_index.decreased | 175, 232 |
| abstract_inverted_index.hindrance | 242 |
| abstract_inverted_index.including | 96 |
| abstract_inverted_index.narrowing | 99 |
| abstract_inverted_index.patients' | 146, 179 |
| abstract_inverted_index.patients, | 127 |
| abstract_inverted_index.potential | 259 |
| abstract_inverted_index.scheduled | 37 |
| abstract_inverted_index.University | 42 |
| abstract_inverted_index.arteriolar | 98, 102, 109, 193, 251 |
| abstract_inverted_index.equivalent | 70, 74 |
| abstract_inverted_index.evaluation | 65 |
| abstract_inverted_index.ipsi‐and | 122 |
| abstract_inverted_index.mechanical | 241 |
| abstract_inverted_index.tortuosity | 112, 196, 254 |
| abstract_inverted_index.(Vesselmap, | 61 |
| abstract_inverted_index.Conclusions | 230 |
| abstract_inverted_index.ipsilateral | 94, 147, 180 |
| abstract_inverted_index.photographs | 86 |
| abstract_inverted_index.examinations | 55 |
| abstract_inverted_index.nonmedicated | 47 |
| abstract_inverted_index.photographs. | 58 |
| abstract_inverted_index.subjectively | 88 |
| abstract_inverted_index.abnormalities | 91 |
| abstract_inverted_index.contralateral | 123, 151 |
| abstract_inverted_index.microvascular | 90, 191 |
| abstract_inverted_index.abnormalities, | 192 |
| abstract_inverted_index.endarterectomy | 17 |
| abstract_inverted_index.preoperatively | 210 |
| abstract_inverted_index.Preoperatively, | 139 |
| abstract_inverted_index.irregularities, | 101 |
| abstract_inverted_index.postoperatively | 176, 221 |
| abstract_inverted_index.Semi‐automated | 59 |
| abstract_inverted_index.arterio‐venous | 77, 105 |
| abstract_inverted_index.postoperatively. | 138 |
| cited_by_percentile_year.max | 97 |
| cited_by_percentile_year.min | 89 |
| corresponding_author_ids | https://openalex.org/A5077245178 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 10 |
| corresponding_institution_ids | https://openalex.org/I133731052, https://openalex.org/I2800394112 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/3 |
| sustainable_development_goals[0].score | 0.8199999928474426 |
| sustainable_development_goals[0].display_name | Good health and well-being |
| citation_normalized_percentile.value | 0.76082629 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |