AST Surgical Technologist Practice Exam

After debridement, what is the next step for reattachment of a severed digit?

1. Soft tissue approximation

2. Nerve repair

3. Bone-to-bone fixation

4. Skin grafting

The correct answer is: Bone-to-bone fixation

In the context of reattaching a severed digit after debridement, initiating with bone-to-bone fixation is crucial because it provides the necessary structural support for the digit. The bones must be accurately aligned and stabilized to ensure proper healing and function post-surgery. This process often involves the use of pins, plates, or screws to accurately secure the bony fragments together, enabling the restoration of anatomical continuity. Once the bones are stabilized, attention can be directed to the soft tissues, including nerves, blood vessels, and skin, to ensure proper healing and functionality of the digit. Addressing the skeletal structure first is vital because without stable and appropriately aligned bones, subsequent repairs such as nerve repair and soft tissue approximation may not be effective or sufficient for a successful recovery.