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2025-02-18T01:06:03Z

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← Older revision		Revision as of 01:06, 18 February 2025
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	[[Category:Orthopedic surgical procedures]]		[[Category:Orthopedic surgical procedures]]
	[[Category:Medical treatments]]		[[Category:Medical treatments]]
			<gallery>
			File:External_fixator_xray.jpg\|X-ray of an external fixator in place
			File:Ilizarov4.jpg\|Ilizarov apparatus used for limb lengthening
			File:External_fixation_mandible.jpg\|External fixation of the mandible
			</gallery>

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2024-03-17T17:49:00Z

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'''External fixation''' is a surgical treatment method used to stabilize [[bone]] and [[soft tissue]] at a distance from the operative or injury focus. It involves the placement of [[pin]]s or [[screw]]s into the bone on either side of the fracture or osteotomy site, which are then connected to a stabilizing structure outside the patient's body. This method is commonly used in orthopedic surgery to treat complex fractures, correct deformities, and allow for damaged tissues to heal properly.

==Indications==
External fixation is indicated in various clinical scenarios, including:
* Open fractures with significant soft tissue injury
* [[Fracture]]s with associated vascular injuries requiring repair
* Temporary stabilization in polytrauma patients
* Limb lengthening procedures
* Correction of bone deformities
* [[Pseudarthrosis]] or non-unions
* Infected fractures or osteomyelitis

==Components==
The external fixation system consists of three main components:
* '''Pins and Screws:''' These are inserted into the bone and serve as the anchor points for the external frame. They are made of materials that are biocompatible and strong enough to support the bone during healing.
* '''Rods or Bars:''' These connect the pins or screws, forming a frame that stabilizes the injured area externally.
* '''Clamps and Connectors:''' These components are used to adjust the position of the rods or bars, allowing for precise alignment and stabilization of the fracture.

==Procedure==
The procedure for applying an external fixator typically involves the following steps:
1. Preoperative planning to determine the optimal placement of pins and screws, and the configuration of the external frame.
2. Administration of anesthesia to ensure patient comfort during the procedure.
3. Aseptic preparation of the skin and underlying tissues to prevent infection.
4. Insertion of pins or screws into the bone, using imaging guidance to ensure accurate placement.
5. Assembly of the external frame, connecting the pins or screws with rods or bars.
6. Adjustment of the frame to achieve the desired alignment and stabilization of the fracture.
7. Closure of any incisions made during the procedure.

==Advantages==
External fixation offers several advantages, including:
* Minimal invasion of the fracture zone, preserving blood supply to the area
* Accessibility for wound care and monitoring in cases of open fractures or infection
* Adjustability of the frame for optimal alignment and compression of the fracture site
* Early mobilization of the patient, reducing the risk of complications associated with prolonged immobilization

==Disadvantages==
Despite its benefits, external fixation has some drawbacks:
* Risk of pin tract infections
* Discomfort and inconvenience associated with wearing an external frame
* Potential for joint stiffness due to limited movement
* Cosmetic concerns due to scarring at pin insertion sites

==Complications==
Complications associated with external fixation include:
* Pin tract infection
* Neurovascular injury during pin insertion
* Loss of reduction or malalignment
* Delayed union or non-union of the fracture
* Joint stiffness

==Conclusion==
External fixation is a versatile and effective method for managing complex fractures and orthopedic conditions. Its success depends on careful preoperative planning, meticulous surgical technique, and diligent postoperative care. Despite its challenges, external fixation remains a valuable tool in the orthopedic surgeon's arsenal for restoring function and mobility to patients with severe musculoskeletal injuries.

[[Category:Orthopedic surgical procedures]]
[[Category:Medical treatments]]

External fixation - Revision history

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