Peripheral Vertigo Clinical Trial
Official title:
Efficacy of Sodium Bicarbonate for Treatment of Acute Peripheral Vertigo: A Double-blinded Randomized Control Trial
Vertigo is defined as the hallucination of spinning sensation or rotatory movement and is frequently combined with severe nausea and vomiting. In Taiwan, an average of 3.13 cases per 100 persons suffer from acute vertigo attack per year. And 1 in 3 patients with vertigo will have recurrent attack within a year. The sensation of disequilibrium and severe nausea and vomiting urge patients visit emergent department (ED) for help. Therefore, vertigo is one of the most common complaints in ED. Vertigo can be divided into central type and peripheral type. Central type vertigo included life threatening disease like brainstem hemorrhage or infraction. Although peripheral vertigo is mostly benign, the acute symptoms relief are usually needed. The first line therapy of acute peripheral vertigo is using antihistamine or benzodiazepine with other anti-emetic agents. However, these agents usually have side effects of fatigue and lethargy, which will cause increasing patients' length of stay or elders' risk of falling. Sodium bicarbonate is widely used in treating hyperkalemia or metabolic acidosis. Its safety and no side effect have also been proved. There were few reports of using sodium for treatment of acute vertigo in Taiwan and Japan. However, there is no strong evidence of comparing this therapy with other medication. This study hypothesized that there is an equivalence of efficacy between sodium bicarbonate and diphenhydramine for treatment of vertigo. Using sodium can cause less fatigue or lethargy and can decrease ED length of stay. This study aims to perform a double-blinded randomized controlled trial to evaluate the efficacy of sodium bicarbonate for treatment of acute peripheral vertigo.
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