Еще одна презентация, указывающая, что синдром постуральной тахикардии ассоциируется со сниженным ферритином у женшин плюс у них выше % головных болей, ЖКТ дистресса, периферич. нейропатий, боязливости/фобий и концентрации внимания:
BACKGROUND: POTS is a condition caused by an underlying autonomic dysfunction. The dysfunction of the sympathetic system leads to an insufficient cardiac and vascular tone upon standing and patients often present with frequent episodes of syncope and presyncope.
DESIGN/METHODS: Medical records of autonomic dysfunction female patients from a single urban clinic diagnosed with POTS (n = 33) and without POTS (n = 53) between 2006 and 2012 were reviewed for serum ferritin values and the presence of co-morbid conditions. Mean serum ferritin values were compared between groups using a two-sample t-test. Co-morbid conditions were also tabulated.
RESULTS: The mean serum ferritin level of 37.1 ng/mL (SD = 35.0) in POTS patients was clinically relevant but borderline significantly lower than the mean serum ferritin level of 57.8 ng/mL (SD = 55.5) in patients without POTS (p=0.037). Patients with serum ferritin below 50 ng/mL were 2.85 times more likely to exhibit POTS than patients above 50 ng/mL. Patients with POTS also had an increased prevalence of headaches (61%, p=0.23), peripheral neuropathy (79%, p =0.28), GI distress (67%, p=0.11) anxiety (33%, p=0.08) and concentration issues (30%, p=0.0001).
CONCLUSIONS: Decreased serum ferritin levels indicate a potential mechanistic relationship between low serum ferritin and POTS.
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