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Medical intervention Epidural administration A freshly inserted lumbar epidural catheter. The site has been prepared with tincture of iodine, and the dressing has not yet been applied. Depth markings may be seen along the shaft of the catheter. ICD-9-CM 03.90 MeSH D000767 OPS-301 code 8-910 [edit on Wikidata] Epidural administration (from Ancient Greek ἐπί, "upon" + dura mater) is a method ...
For epidural anesthesia an anesthetic agent is injected into the space just outside the thecal sac and diffuses through the dura to the nerve roots where they exit the thecal sac. [4] [5] For spinal anaesthesia in general, an injection can be given intrathecally into the subarachnoid space, or into the spinal canal.
Odom's indicator is a device used for locating the epidural space in regional anaesthesia. [1] The device works on Dogliotti's principle [2] by finding an area of decreased resistance to injection. It was originally designed on the assumption that the pressure in the epidural space was negative. This device is no-longer popular and alternative ...
In anatomy, the epidural space is the potential space between the dura mater and vertebrae . [ 1 ] [ 2 ] The anatomy term "epidural space" has its origin in the Ancient Greek language; ἐπί , "on, upon" + dura mater also known as "epidural cavity", "extradural space" or "peridural space".
Dogliotti's principle is a principle in epidural anaesthesia first described by Professor Achille Mario Dogliotti in 1933. [1] It is a method for the identification of the epidural space , a potential space .
Combined spinal and epidural anaesthesia in labouring women is associated with more pruritus if fentanyl (25 μg) is given intrathecally, than low-dose epidural analgesia. However, no difference has been found in the incidence of post dural puncture headache , requirement for epidural blood patch or maternal hypotension.
Spinal anaesthesia (or spinal anesthesia), also called spinal block, subarachnoid block, intradural block and intrathecal block, [1] is a form of neuraxial regional anaesthesia involving the injection of a local anaesthetic or opioid into the subarachnoid space, generally through a fine needle, usually 9 cm (3.5 in) long.
To provide continuous epidural analgesia or anesthesia, a small hollow catheter may be threaded through the epidural needle into the epidural space, and left there while the needle is removed. There are multiple types of epidural needles as well as catheters, but in modern practice in developed nations, disposable materials are used to ensure ...