Can Subarachnoid Anesthesia + Epidural Anesthesia Be Performed Sequentially?

This method is certainly possible, but can you guarantee that the position of the epidural catheter will not change during the operation? Was there a trial to ensure that the epidural was effective at the time of catheter placement? Can it be ensured that the catheter is sterile and the bacteria will not be brought into the epidural space to cause infection during the operation? Can it be guaranteed that the elderly can tolerate prolonged awake supine surgery? These are all questions, what do you do when the epidural doesn't work? The elderly have poor cardiopulmonary function. How to ensure the carbon dioxide accumulation problem after you add sedative drugs? In fact, advanced age and poor physical fitness are not contraindications to general anesthesia. On the contrary, patients are more likely to have accidents during spinal anesthesia. You can choose anesthesia operations and drugs that have little impact on hemodynamics, such as etomidate, laryngeal mask, pre-pump Dopamine, etc., as long as you pay attention, you can solve it.

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