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Magnesium Sulphate for Treatment of New Onset Atrial Fibrillation in Medical Intensive Care Unit Patient (EMSAF)

M

Mahidol University

Status

Unknown

Conditions

Atrial Fibrillation

Treatments

Drug: Placebo
Drug: Magnesium sulphate

Study type

Interventional

Funder types

Other

Identifiers

NCT01049464
Si628/2009

Details and patient eligibility

About

The purpose of this study is to determine the efficacy of Magnesium sulphate for the rate and rhythm control of the new onset (within 48 hours) atrial fibrillation in the hemodynamically unstable patients, admitted in the medical intensive care unit patients.

Full description

Atrial fibrillation is one of the most common arrhythmia, reported in the hemodynamically unstable patients in the intensive care unit. Loss of atrial contraction and the sequential atrioventricular contraction decrease the overall cardiac output which results in severe inadequate tissue perfusion. Medications aim for rate and rhythm control are recommended to treat new onset atrial fibrillation. These drugs (verapamil, diltiazem, amiodarone and beta blockers) may further compromise the patients' cardiac output by its' negative inotropic effect.

Magnesium sulphate with the cell membrane threshold potential stabilizing effect has been reported as an effective drug for rate and rhythm control for post-operative atrial fibrillation and the atrial fibrillation presented in the hospital emergency unit. However, there was inadequate data about the efficacy of Magnesium sulphate for treatment of new onset atrial fibrillation in the hemodynamically unstable patients admitted in the medical intensive care unit.

Enrollment

128 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Admitted in medical intensive care unit
  • Age 18 years or more
  • New onset atrial fibrillation (within 48 hours), persist for at least 1 hour, ventricular rate 120 beats per min or more without evidence of volume depletion (CVP 8 mmHg or more or receive volume resuscitation about 20-30 ml/kg), oxygen saturation not less than 90%, serum Potassium level between 3.0-5.0 mEq/l, serum Calcium level between 8.0-11.0 mg/dl

Exclusion criteria

  • Chronic atrial fibrillation
  • Severe valvular heart disease including severe mitral regurgitation, mitral stenosis, aortic regurgitation, aortic stenosis, tricuspid regurgitation, tricuspid stenosis, pulmonic regurgitation or pulmonic stenosis
  • Indicated for electrical cardioversion
  • Severe hypomagnesemia (serum Magnesium < 1.2 mg/dl)
  • Severe hypermagnesemia (serum Magnesium > 5.0 mg/dl)
  • Renal insufficiency with creatinine > 3.0 mg/dl without renal replacement therapy

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

128 participants in 2 patient groups, including a placebo group

5%D/W
Placebo Comparator group
Description:
The patients in this group will receive 5%D/W 20 ml intravenous in 10 min and then 5%D/W 100 ml infusion in 6 hours as the placebo drug.
Treatment:
Drug: Placebo
Magnesium sulphate
Experimental group
Description:
The patients in this group will receive 2g of Magnesium sulphate diluted with 5%D/W into 20 ml solution, infusion intravenously in 10 min then 6g of Magnesium sulphate diluted with 5%D/W into 100 ml solution, infusion intravenously in 6 hours
Treatment:
Drug: Magnesium sulphate

Trial contacts and locations

1

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Central trial contact

Surat Tongyoo, MD

Data sourced from clinicaltrials.gov

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