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HS-Omega-3 Index and other topics


In a small study in 50 patients and 100 controls in Korea, it was found that the HS-Omega-3 Index correlated positively with bone mass (Moon et al, 2012). In a first intervention trial, omega-3 fatty acids built up bone density and had a synergistic effect with physical exercise (Tartibian et al, 2011).

Another small study in Korea found a low HS-Omega-3 Index to be a risk for ischemic or hemorrhagic stroke (Park et al, 2009). In a retrospective analysis of the large intervention trial JELIS, EPA reduced the incidence of stroke (Tanaka et al, 2008). Currently, omega-3 fatty acids are investigated to find out, whether they reduce traumatic, ischemic or other brain damages. Results from animal models are encouraging (e.g. Zendedel et al, 2015). Intervention trials in humans remain to be conducted.

Sleep apnea depends on cerebral regulation of breathing. Partly this depends on the HS-Omega-3 Index. In 350 patients, the severity of sleep apnea correlated inversely with DHA (Ladesich et al, 2011). Per standard deviation higher DHA, a patient was 50% less likely to be classified as severe sleep apnea (Ladesich et al, 2011). More research is ongoing.

According to our unsystematic experiences, patients with chronic polyarthritis adjust themselves to a HS-Omega-3 Index of 15% (unpublished). In a meta-analysis of randomized intervention trials, omega-3 fatty acids improved symptoms like morning stiffness, or joint pain (Goldberg & Katz, 2007). Other topics are currently investigated.

Literatur


Goldberg RJ, Katz J. A meta-analysis of the analgesic effects of omega-3 polyunsaturated fatty acid supplementation for inflammatory joint pain. Pain. 2007;129:210-23.
Ladesich JB, Pottala JV, Romaker A, Harris WS. Membrane levels of omega-3 docosahexaenoic acid is associated with obstructive sleep apnea. J Clin Sleep Med 2011;7:391-6
Moon HJ, Kim TH, Byun DW, Park Y. Positive correlation between erythrocyte levels of n-3 polyunsaturated fatty acids and bone mass in postmenopausal Korean women with osteoporosis. Ann Nutr Metab 2012;60:146-53
Park Y, Park S, Yi H, Kim HY, Kang SJ, Kim J, Ahn H. Low level of n-3 polyunsaturated fatty acids in erythrocytes is a risk factor for both acute ischemic and hemorrhagic stroke in Koreans. Nutr Res. 2009;29:825-30.
Tanaka K, Ishikawa Y, Yokoyama M, Origasa H, Matsuzaki M, Saito Y, Matsuzawa Y, Sasaki J, Oikawa S, Hishida H, Itakura H, Kita T, Kitabatake A, Nakaya N, Sakata T, Shimada K, Shirato K; JELIS Investigators, Japan. Reduction in the recurrence of stroke by eicosapentaenoic acid for hypercholesterolemic patients: subanalysis of the JELIS trial. Stroke. 2008;39:2052-8
Tartibian B, Hajizadeh Maleki B, Kanaley J, Sadeghi K. Long-term aerobic exercise and omega-3 supplementation modulate osteoporosis through inflammatory mechanisms in post-menopausal women: a randomized, repeated measures study. Nutr Metab (Lond). 2011 Oct 15;8:71
Zendedel A, Habib P, Dang J, Lammerding L, Hoffmann S, Beyer C, Slowik A. Omega-3 polyunsaturated fatty acids ameliorate neuroinflammation and mitigate ischemic stroke damage through interactions with astrocytes and microglia. J Neuroimmunol. 2015;278:200-11