Patient refusal is an absolute contraindication to any medical procedure, including epidural anesthesia, as it violates patient autonomy and the principle of informed consent. Pre-eclampsia is often an indication for epidural anesthesia due to its beneficial effects on blood pressure and uterine perfusion. Thrombocytopenia with a platelet count of 80,000/µL is a relative contraindication, requiring careful assessment and potentially platelet transfusion, but not always absolute. Previous lumbar spine surgery is a relative contraindication due to altered anatomy and potential for technical difficulty, but not an absolute contraindication.
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