New two-dimensional, echocardiographically directed pericardiocentesis in cardiac tamponade

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Abstract
Seventeen patients with cardiac tamponade were treated by pericardiocentesis guided by two-dimensional (2-D) echocardiography and a needle guide. The needle guide used in the present study was designed so that the needle path lies within the center of the scan thickness. Before, actual puncture, the mask method was performed in a water bath so that the needle progress avoided injury. The needle progress was monitored continuously in real time on the display throughout the procedure. Immediate relief from acute cardiac tamponade was obtained in all except one patient, who was treated by pericardiotomy because of insufficient drainage. In two patients, second drainage was performed because of reaccumulation of the pericardial effusion. There were no major complications. Nine patients recovered and the other patients died of underlying disease. Accurate and efficient visualization of the needle might allow a safer procedure. We conclude that pericardiocentesis guided by 2-D echoeardiography using a needle guide may be a safe and easily applied technique for the management of pericardial effusion. (Crit Care Med 1990; 18:750)

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