You can't do anything with this until your doctor gets a diet stroke protocol written. You'd better hope she is the best in the world at this job.
But this statement from this in May 2016 suggests it is not useful, except it doesn't talk strokes. What to do?
Re-evaluation of the traditional diet-heart hypothesis: analysis of recovered data from Minnesota Coronary Experiment (1968-73) May 2016
There was no evidence of benefit in the intervention group for coronary atherosclerosis or myocardial infarcts.
And this from Oct. 2015 suggests it is helpful:
Circulating omega-6 polyunsaturated fatty acids and total and cause-specific mortality: the Cardiovascular Health Study Oct. 2015
High circulating linoleic acid, but not other n-6 PUFA, was inversely associated with total and CHD mortality in older adults.
Substitution of Linoleic Acid for Other Macronutrients and the Risk of Ischemic Stroke
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Abstract
Background and Purpose—Ischemic
stroke is a major health problem worldwide, but the influence of
dietary factors on stroke risk is not well known. This study aimed to
investigate the risk of ischemic stroke and its subtypes with a higher
intake from linoleic acid and a concomitant lower intake from saturated
fatty acids, monounsaturated fatty acids, or glycemic carbohydrates.
Methods—In
the Danish prospective Diet, Cancer, and Health Study of 57 053
participants aged 50 to 64 years at baseline, information on diet was
collected using a validated semiquantitative food frequency
questionnaire. Information on ischemic stroke was obtained from the
Danish National Patient Register, and cases were all validated and
subclassified according to the TOAST (Trial of ORG 10172 in Acute Stroke
Treatment) classification. Substitution of linoleic acid for saturated
fatty acid, monounsaturated fatty acid, or glycemic carbohydrates was
investigated in relation to the risk of ischemic stroke and subtypes.
Cox proportional hazards regression was used to estimate the
associations with ischemic stroke adjusting for appropriate confounders.
Results—During
13.5 years of follow-up 1879 participants developed ischemic stroke. A
slightly lower risk of ischemic stroke was found with a 5% higher intake
of linoleic acid and a concomitant lower intake of saturated fatty acid
(hazard ratio, 0.98; 95% confidence interval, 0.83–1.16),
monounsaturated fatty acid (hazard ratio, 0.80; 95% confidence interval,
0.63–1.02), and glycemic carbohydrates (hazard ratio, 0.92; 95%
confidence interval, 0.78–1.09), although not statistically significant.
Similar patterns of association were found for large-artery
atherosclerosis and small-vessel occlusions.
Conclusions—This
study suggests that replacing saturated fatty acid, glycemic
carbohydrate, or monounsaturated fatty acid with linoleic acid may be
associated with a lower risk of ischemic stroke.
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