The ideal timing of truncal abdominal wall blocks has not been established.

Studies reveal conflicting results.

• A prospective, randomized control trial showed patients who received pre- operative TAP blocks had lower pain scores and received lower doses of IV opioids while in PACU when compared to patients who received a post- operative TAP block5.

• A retrospective study found a significantly lower need for PCA and opioids on discharge in patients who received a TAP block post-operatively compared to pre-operatively2.

• Multiple retrospective studies found no difference in outcomes between pre- and post-operative block3,4.

This case report describes a complication of performing truncal abdominal wall blocks post-operatively.