Which of the following is not included in neuro- axial anesthesia?
**Core Concept**
Neuroaxial anesthesia refers to the administration of local anesthetic agents around the spinal or epidural space to provide regional anesthesia for surgical procedures. The goal is to block nerve conduction in the spinal cord or nerves in the lower back.
**Why the Correct Answer is Right**
Neuroaxial anesthesia typically involves injecting local anesthetics into the epidural space (outside the dura mater) or the subarachnoid space (inside the dura mater). The correct options for neuroaxial anesthesia include:
* Epidural anesthesia: injecting local anesthetics into the epidural space.
* Spinal anesthesia: injecting local anesthetics into the subarachnoid space.
* Caudal anesthesia: injecting local anesthetics into the caudal space, which is a continuation of the epidural space.
**Why Each Wrong Option is Incorrect**
**Option A:** This is actually a type of neuroaxial anesthesia, specifically spinal anesthesia.
**Option C:** Caudal anesthesia is a type of neuroaxial anesthesia, as it involves injecting local anesthetics into the caudal space, which is a continuation of the epidural space.
**Option D:** This option is not a recognized type of neuroaxial anesthesia.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that neuroaxial anesthesia can be divided into three main types: epidural, spinal, and caudal anesthesia. Each type has its own distinct characteristics and indications.
**Correct Answer:** D.