Most common causative agent for meningitis after spinal subarachnoid block is

Infective meningitis is mainly due to Staphylococcus epidermidis carried along with needle from skin. Spinal epidural abscess (SEA) in children is a rare infectious emergency warranting prompt intervention. Predisposing factors include immunosuppression, spinal procedures, and local site infections such as veebral osteomyelitis and paraspinal abscess. Staphylococcus aureus is the most common isolate. Iatrogenic meningitis is a rare, but potentially fatal condition. We repo four cases of meningitis after spinal anesthesia and review the possible etiological factors of post spinal meningitis Ref Robbins 9/e pg 345