Echo-Guided Differential Popliteal Block in an Obese Patient With Intractable Painful Leg Ulcer for Early Discharge in Day Surgery.

Pain management is extremely important in day surgery, and it is one of the limiting factors for this type of procedures. Locoregional anesthesia is strongly recommended for day surgery; nevertheless, it could be very difficult to localize nerve position especially in obese patients. Furthermore, a complete nerve blockade could result in a delayed discharge.