- A systematic review examining the effect of vitamin D supplementation on functional outcomes post-stroke
- VitaminDWiki – Stroke category contains
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7 studies in both categories Stroke and Intervention (daily or non-daily) - There have been
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A systematic review examining the effect of vitamin D supplementation on functional outcomes post-stroke
Clin Rehabil. 2023 May 11 doi: 10.1177/02692155231174599
Jamie L Fleet 1 2 3, Amanda McIntyre 3 4, Shannon Janzen 3, Marcus Saikaley 3, Michael Qaqish 5, Robert Cianfarani 5, Alexandra Papaioannou 5 6 7Objective: The objective of this systematic review was to explore the effect of vitamin D supplementation on functional outcomes (motor function, mobility, activities of daily living and stroke impairment) among individuals post-stroke (PROSPERO CRD42022296462).
Data sources: MEDLINE, PsycINFO, EMBASE, and CINAHL were searched for all articles published up to March 5, 2023.
Methods: Only interventional studies assessing vitamin D supplementation compared to placebo or usual care in adult stroke patients were selected. After duplicate removal, 2912 studies were screened by two independent reviewers. A total of 43 studies underwent full text review; 10 studies met inclusion criteria (8 randomized controlled trials and 2 non-randomized studies of intervention). Data were extracted by two independent reviewers using Covidence software. Motor function (Brunnstrom Recovery Stage, Berg Balance Score), mobility (Functional Ambulation Category), activities of daily living (Barthel Index, Functional Independence Measure) and stroke impairment (modified Rankin Scale, National Institutes for Health Stroke Severity, Scandinavian Stroke Severity) were the outcome measures of interest reported in the included studies.
Results: In total, 691 patients were studied for which 11 of 13 outcome measures showed improvement with vitamin D supplementation.
Conclusions: The majority of studies showed a statistical improvement in
- motor function,
- mobility, and
- stroke impairment
with vitamin D supplementation; however, the evidence did not support an improvement in activities of daily living with treatment. Despite this, there may not be clinical significance. Strong, methodologically sound, randomized controlled trials are required to verify these findings.
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VitaminDWiki – Stroke category contains
131 items in stroke category - see also Overview Stroke and vitamin D,
Overview Hypertension and Vitamin D Overview Cardiovascular and vitamin DStroke more likely if low Vitamin D
- Stroke 74% less likely if high vitamin D (7,295 women 20-50 years old) – July 2017
- Stroke is 13.5 X more likely if low vitamin D and high blood pressure – March 2015
- Ischemic stroke 17 X more likely if low vitamin D – April 2017
- Stroke is strongly associated with Calcification of cerebral arteries (perhaps low Vitamin D, Vitamin K, Mg…) – March 2018
- Ischemic Stroke 3X more likely if Vitamin D Receptor gene change (Fok 1) – Jan 2014
Post-Stroke worse if low Vitamin D
- Poor Acute Ischemic Stroke 4X more likely if low Vitamin D - Nov 2023
- Stroke risks increased if low Vitamin D: Death 3.6 X, recurrence 5.5 X – Meta-analysis Nov 2019
- Stroke outcome at 3 months was 3X worse if bad stroke and low vitamin D – Jan 2020
- Death after Ischemic Stroke 2.5 X more likely if less than 10 ng of Vitamin D – May 2019
- Vascular dementia (after strokes) 32X more likely in Hypertensives with low vitamin D – Oct 2015
- Depression following a stroke is 2.7 X more likely if low vitamin D – Sept 2018
- Stroke incidence not associated with low Vitamin D (but stroke outcome is) – Aug 2019
Post-Stroke better if add Vitamin D
- Post-stroke Vitamin D supplementation helped in 11 ways – May 2023
- Improved recovery from ischemic stroke with Vitamin D (300,000 IU injection) – RCT June 2018
- Better outcome following Ischemic stroke if injected with 600,000 IU of vitamin D – RCT Feb 2017
- Ischaemic stroke – Vitamin D doubled survival (Injection followed by monthly 60,000 IU) – RCT Aug 2016
- Stroke patients need more than 2,000 IU of vitamin D (found this time in Japan) – RCT June 2019
Post-Stroke better if Vitamin D actually gets to cells
- Resveratrol fights Parkinson, Alzheimers, Diabetes, Cardiovascular, ALS, Stroke, etc.– Nov 2018
- Stroke rehabilitation (and prevention) requires Vitamin D actually getting to cells – March 2020
11 studies in both categories of Depression and Stroke This list is automatically updated
- Nerve cells and Vitamin D – many studies
- Water-soluble form of vitamins are needed for some health problems
- Post-stroke depression not reduced by 2,000 IU of vitamin D (not a surprise) – Nov 2021
- Depression is associated with stroke if low vitamin D or winter – Nov 2018
- Depression following a stroke is 2.7 X more likely if low vitamin D – Sept 2018
- Omega-3 and Vitamin D each treat many mental health problems - April 2018
- MAGNESIUM IN MAN - IMPLICATIONS FOR HEALTH AND DISEASE – review 2015
- No longer depressed, but risk of stroke is still 1.7X higher (did not consider low vitamin D) – May 2015
- ALL of the top 10 health problems of women are associated with low vitamin D
- Post stroke depression 9X more likely if low vitamin D – Dec 2014
- Stroke patients with low vitamin D were 10X more likely to become depressed – Aug 2014
VitaminDWiki -
7 studies in both categories Stroke and Intervention (daily or non-daily) This list is automatically updated
- Post-stroke Vitamin D supplementation helped in 11 ways – May 2023
- Post-stroke fatigue cut in half by Vitamin D (just 600 IU daily in 3 months) – Nov 2021
- Stroke patients getting weekly 50,000 IU Vitamin D did better – trial March 2021
- Stroke not prevented by just 2,000 IU of vitamin D plus 840 mg Omega-3 (VITAL) – Feb 2020
- Stroke patients need more than 2,000 IU of vitamin D (found this time in Japan) – RCT June 2019
- Improved recovery from ischemic stroke with Vitamin D (300,000 IU injection) – RCT June 2018
- Ischaemic stroke – Vitamin D doubled survival (Injection followed by monthly 60,000 IU) – RCT Aug 2016
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