new_orleans_head_ct_rule: New Orleans Charity Head Trauma/Injury Rule

In cliot: Clinical Indices and Outcomes Tools

New Orleans Charity Head Trauma/Injury Rule

Description

Calculates the New Orleans Charity Head Trauma Rule result. This clinical decision rule identifies patients with minor head injury (GCS 15) who require a CT scan to rule out intracranial injury. If any one of the seven criteria is present, a CT is indicated.

Usage

new_orleans_head_ct_rule(headache, vomiting, age_gt_60, intoxication,
                         anterograde_amnesia, trauma_above_clavicles, seizure)

Arguments

headache	Numeric (0 or 1). Is headache present? (1 = Yes).
vomiting	Numeric (0 or 1). Is vomiting present? (1 = Yes).
age_gt_60	Numeric (0 or 1). Is the patient older than 60 years? (1 = Yes).
intoxication	Numeric (0 or 1). Is there drug or alcohol intoxication? (1 = Yes).
anterograde_amnesia	Numeric (0 or 1). Is there persistent anterograde amnesia (short-term memory deficits)? (1 = Yes).
trauma_above_clavicles	Numeric (0 or 1). Is there visible trauma above the clavicles? (1 = Yes).
seizure	Numeric (0 or 1). Did a seizure occur? (1 = Yes).

Value

A list containing:

Recommendation	Guidance on whether a CT scan is indicated.
Criteria_Met_Count	The number of positive criteria found.

References

Haydel MJ, Preston CA, Mills TJ, Luber S, Blaudeau E, DeBlieux PM. Indications for computed tomography in patients with minor head injury. N Engl J Med. 2000;343(2):100-105. doi:10.1056/NEJM200007133430204

Examples

# Example 1: CT Indicated
# Headache (1), no other signs
new_orleans_head_ct_rule(1, 0, 0, 0, 0, 0, 0)

# Example 2: CT Not Indicated
# No criteria met
new_orleans_head_ct_rule(0, 0, 0, 0, 0, 0, 0)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.