Inclusion Criteria:  (ASA) II or III scheduled for diabetic foot surgeries.  Exclusion Criteria:  Patients who refused the anaesthetic technique, whose BMI ≥ 35 kg/ m2, unable to properly describe postoperative pain to investigator (dementia, delirium, psychiatric and neurological disorders), patients with coagulopathy, skin infection at the site of injection, preoperative use of opioid or non-steroidal anti-inflammatory drugs, allergy or contraindication to studied medication