What action should a nurse take regarding the vacuum reset for a closed-suction drain after a modified radical mastectomy?

The appropriate action regarding the vacuum reset for a closed-suction drain after a modified radical mastectomy is to rest the vacuum by compressing the container.

In a closed-suction drain system, a negative pressure (vacuum) is essential to ensure effective drainage of fluid from the surgical site. To maintain this suction, the nurse can compress the drain’s collection container, which allows the vacuum to reset. This action creates a new negative pressure that facilitates continued drainage, reducing the risk of fluid accumulation and potential complications such as seroma or infection at the surgical site.

Leaving the drain intact without resetting would lead to ineffective drainage as the suction would diminish as the container fills. Replacing the drain immediately might not be necessary unless there is a specific indication that the existing drain is not functioning properly, which is not routinely the case. Notifying the surgeon before taking action is not necessary for a routine reset of the drain's vacuum, as this is a standard procedure that the nurse is trained to perform.

Thus, compressing the container properly resets the vacuum and allows for consistent monitoring and management of the drainage process post-surgery.