Update of the CHIP (CT in Head Injury Patients) decision rule for patients with minor head injury based on a multicenter consecutive case series.

Objective: To update the existing CHIP (CT in Head Injury Patients) decision rule for detection of (intra)cranial findings in adult patients following minor head injury (MHI).

Methods: The study is a prospective multicenter cohort study in the Netherlands. Consecutive MHI patients of 16 years and older were included.

External validation of computed tomography decision rules for minor head injury: prospective, multicentre cohort study in the Netherlands.

Objective: To externally validate four commonly used rules in computed tomography (CT) for minor head injury.

Design: Prospective, multicentre cohort study.

Setting: Three university and six non-university hospitals in the Netherlands.