منابع مشابه
Calcium, sodium, and the calcium paradox.
The effect of "sodium loading," of verapamil and of nifedipine on the gain in calcium and sodium, and on the loss of myoglobin, during the calcium paradox in adult rat hearts was examined. Raising cell sodium from 56.5 +/- 2.6 to 129.5 +/- 10.2 mumol sodium/gram dry weight did not alter the degree or rate of calcium gain or myoglobin release during calcium repletion after long periods (greater ...
متن کاملThe calcium paradox.
Much of the present knowledge of the heart’s physithat the electronmicroscopic changes in ‘‘stone heart’’ (a ology is derived from experiments with isolated perfused dreaded and lethal complication of heart surgery) was hearts. Usually based on the technique of Langendorff. It identical to the changes observed in the calcium paradox. was, and largely still is, a logic defying problem that the W...
متن کاملAnother calcium paradox?
In a number of important diseases, the clinical course is defined principally by the host response, more so than by the initiating environmental insult. Clinicians rely on identification of this host response for diagnosis and may select those responses as targets for therapeutic intervention. Atherosclerosis is one such disease. The clinical course was once felt to result from progressive accu...
متن کاملHyperparathyroidism and the calcium paradox of aldosteronism.
BACKGROUND Aldosteronism may account for oxi/nitrosative stress, a proinflammatory phenotype, and wasting in congestive heart failure. We hypothesized that aldosterone/1% NaCl treatment (ALDOST) in rats enhances Ca2+ and Mg2+ excretion and leads to systemic effects, including bone loss. METHODS AND RESULTS At 1, 2, 4, and 6 weeks of ALDOST, we monitored Ca2+ and Mg2+ excretion, ionized [Ca2+]...
متن کاملthe effect of oxytetracycline on serum calcium, phosphorus and magnesium in cattle
نتایج این مطالعه نشان می دهد که مقدار کلسیم (یونیزه و تام)، منیزیم و فسفر به طور معنی داری تغییر پیدا کرد به جزء مقدار کلسیم تام و منیزیم در روش داخل عضلانی که تغییر معنی داری نداشته است. بر اساس نتایج این مطالعه می توان نتیجه گیری کرد که اکسی تتراساکلین بر روی مقادیر سرمی کلسیم و منیزیم تأثیر می گذارد باید مقدار این کاتیون ها در بیماران، در هنگامی که اکسی تتراسایکلین استفاده می شود مورد توجه ق...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 1984
ISSN: 0009-7330,1524-4571
DOI: 10.1161/01.res.55.2.227