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Optimal fluid amount for haemodynamic benefit in cardiac tamponade
Vikas Singh1, Sudhanshu K Dwivedi, Sharad Chandra
1King George's Medical University, Lucknow, India.
European Heart Journal. Acute Cardiovascular Care
|January 9, 2014
Summary
Intravenous fluid administration can improve cardiac hemodynamics in cardiac tamponade patients. A small volume, as little as 250 ml of normal saline, may significantly benefit patients when drainage is unavailable.
Area of Science:
- Cardiology
- Critical Care Medicine
Background:
- Cardiac tamponade management often requires interim measures when drainage is not feasible.
- Intravascular volume expansion is a common but under-researched approach.
Purpose of the Study:
- To evaluate the impact of fluid volume expansion on cardiac hemodynamics in cardiac tamponade.
- To determine the optimal fluid volume for maximum benefit in these patients.
Main Methods:
- Included patients aged ≥16 with large pericardial effusion and echocardiographic tamponade.
- Excluded hemodynamically unstable patients, those with heart disease, pregnant individuals, and dialysis patients.
- Measured hemodynamic parameters at baseline and after 250 ml fluid increments (up to 1000 ml) via specialized monitoring.
Main Results:
- All 28 patients showed improved hemodynamics (blood pressure, cardiac output) with volume expansion.
- Significant improvements in systolic/diastolic blood pressure, cardiac output, and index were observed up to 250-500 ml.
- Higher initial intrapericardial pressure and lower cardiac index predicted a >15% increase in cardiac index.
Conclusions:
- Rapid infusion of 250 ml intravenous normal saline can significantly improve cardiac hemodynamics in many tamponade patients.
- Volume expansion offers a potential temporary solution for managing cardiac tamponade.
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