Ashfaq Kitaba, David P Martin, Tarun Bhalla, Chris Mckee, Peter Winch, Joseph D Tobias.
Transversus abdominis plane block for placement of a paracentesis catheter with failed Fontan physiology.
Anesth Pain Intens Care Jan ;16(2):179-82.

Despite the successful palliation of patients with complex CHD, long term consequences may occur related to the chronically elevated venous pressures or failing ventricular function following total cavopulmonary anastomosis in patients with single ventricle anatomy. We present a 33-year-old adult woman with Fontan physiology who presented with recurrent ascites requiring insertion of a tunneled abdominal drain. Given her co-morbid conditions, the procedure was accomplished using a transversus abdominis plane (TAP) block placed with ultrasound guidance. Although generally used for the provision of postoperative analgesia following lower abdominal procedures, the TAP block may also be used in specific scenarios instead of general anesthesia in high risk patients. The anatomy of the TAP block is reviewed, its perioperative applications discussed, and its potential use instead of general anesthesia presented.

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