Vitamin B12 levels in patients with retinal vein occlusion and their relation with clinical outcome: a retrospective study
Abstract Retinal vein occlusion (RVO) is the second most common retinal vascular disorder, after diabetic retinopathy. Most patients suffering RVO develop some degree of visual loss consequent to retinal complications such as edema and microhemorrhages. Even if some risk factors for RVO have been identified, the clinical outcome of RVO remains highly unpredictable because studies investigating potential prognostic markers for visual improvement are lacking. Cyanocobalamin belongs to the group of B vitamins and plays a role in homocysteine metabolism; however, cyanocobalamin deficiency associates with an increase of some toxic bioproducts involved in endothelial injury and platelet activation independent of homocysteine levels. We retrospectively evaluated the levels of vitamin B12 at diagnosis in 203 patients with RVO, and in a parallel cohort of 120 age- and sex-matched patients without RVO from an internal medicine ward, and correlated them with visual outcome at follow-up (median time 150 days, IQR 30–210). In patients with RVO, vitamin B12 levels at diagnosis were significantly lower than in controls and independently predicted worse clinical outcome at multivariate analysis (OR 3.2; CIs 1.2–8.2; p = 0.015). Our data suggest the opportunity to prospectively evaluate the effect on visual outcome of cyanocobalamin supplementation in RVO patients..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
Internal and emergency medicine - 17(2022), 4 vom: 14. Jan., Seite 1065-1071 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Paciullo, Francesco [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Cyanocobalamin supplementation |
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| Anmerkungen: |
© The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI) 2021 |
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| doi: |
10.1007/s11739-021-02905-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2078784303 |
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| 245 | 1 | 0 | |a Vitamin B12 levels in patients with retinal vein occlusion and their relation with clinical outcome: a retrospective study |
| 264 | 1 | |c 2022 | |
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| 500 | |a © The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI) 2021 | ||
| 520 | |a Abstract Retinal vein occlusion (RVO) is the second most common retinal vascular disorder, after diabetic retinopathy. Most patients suffering RVO develop some degree of visual loss consequent to retinal complications such as edema and microhemorrhages. Even if some risk factors for RVO have been identified, the clinical outcome of RVO remains highly unpredictable because studies investigating potential prognostic markers for visual improvement are lacking. Cyanocobalamin belongs to the group of B vitamins and plays a role in homocysteine metabolism; however, cyanocobalamin deficiency associates with an increase of some toxic bioproducts involved in endothelial injury and platelet activation independent of homocysteine levels. We retrospectively evaluated the levels of vitamin B12 at diagnosis in 203 patients with RVO, and in a parallel cohort of 120 age- and sex-matched patients without RVO from an internal medicine ward, and correlated them with visual outcome at follow-up (median time 150 days, IQR 30–210). In patients with RVO, vitamin B12 levels at diagnosis were significantly lower than in controls and independently predicted worse clinical outcome at multivariate analysis (OR 3.2; CIs 1.2–8.2; p = 0.015). Our data suggest the opportunity to prospectively evaluate the effect on visual outcome of cyanocobalamin supplementation in RVO patients. | ||
| 650 | 4 | |a Retinal vein occlusion | |
| 650 | 4 | |a Unusual site vein thrombosis | |
| 650 | 4 | |a Vitamin B12 deficiency | |
| 650 | 4 | |a Cyanocobalamin supplementation | |
| 700 | 1 | |a Menduno, Paola Santina |4 aut | |
| 700 | 1 | |a Tucci, Davide |4 aut | |
| 700 | 1 | |a Caricato, Anna |4 aut | |
| 700 | 1 | |a Cagini, Carlo |4 aut | |
| 700 | 1 | |a Gresele, Paolo |4 aut | |
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