A simple test to confirm placement of a needle into the epidural space was tested in 25 patients. Changes in transmitted pressure in response to paravertebral compression when the needle was superficial to the epidural space were seen in all patients. No changes in pressure occurred with the needle in the epidural space. This test may increase the success rate of epidural analgesia.
- Epidural anesthesia
- Epidural space
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This study was performed at the Audie Murphy Veteran's Administration Hospital, San Antonio, Texas.
Address reprint requests to Dr. Wilson: Department of Anesthesiology, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78284.