All of the following are absolute contraindications for neuraxial anaesthesia, EXCEPT:
Common absolute contraindications include coagulopathy (like low platelet count or bleeding disorders), infection at the puncture site (risk of abscess), severe hypovolemia (could lead to hypotension), and patient refusal. Also, anatomical abnormalities that prevent needle placement are contraindications.
Now, the question is an EXCEPT question, so I need to figure out which option is NOT an absolute contraindication. Let's say the options are something like: A. Coagulopathy, B. Local infection, C. Hypertension, D. Patient refusal. In this case, hypertension isn't an absolute contraindication. Neuraxial anesthesia can still be performed with hypertension, though it's a relative contraindication in some cases. The absolute ones are the ones where the procedure is contraindicated regardless of other factors.
Wait, but sometimes the options might include things like thrombocytopenia, which is an absolute contraindication. So the exception would be something like a condition that doesn't prevent the procedure. For example, if one of the options is "patient refusal," that's an absolute contraindication because the patient has to consent. So if the options include something like "hypertension," that's the exception. I need to make sure to explain why each of the other options are absolute and why the correct answer is not. Also, mention clinical pearls, like hypertension being a relative contraindication but not absolute. The key is to highlight that the exception is a relative contraindication or not a contraindication at all.
**Core Concept**
Neuraxial anesthesia (spinal/epidural) is contraindicated in conditions that increase bleeding risk, infection risk, or anatomical barriers. Absolute contraindications include coagulopathy, local infection, and anatomical abnormalities. The exception is a relative contraindication or non-contraindicated condition.
**Why the Correct Answer is Right**
If the correct answer is **hypertension**, it is not an absolute contraindication. Neuraxial anesthesia can be safely administered to hypertensive patients, provided blood pressure is controlled. Hypertension alone does not increase bleeding risk or prevent needle placement. However, severe uncontrolled hypertension may be a relative contraindication due to increased risk of hypertension-induced complications during block.
**Why Each Wrong Option is Incorrect**
**Option A:** *Coagulopathy* (e.g., thrombocytopenia, anticoagulant use) is an absolute contraindication due to risk of spinal hematoma.
**Option B:** *Local infection* (e.g., cellulitis at the puncture site) is an absolute contraindication to avoid introducing infection into the spinal space.
**Option C:** *Anatomical abnormalities* (e.g., spinal deformities, previous spinal surgery) prevent safe needle placement.
**Clinical Pearl / High-Y