cliot (version 1.0.0)

rome_iv_cyclic_vomiting_syndrome: Rome IV Diagnostic Criteria for Cyclic Vomiting Syndrome (CVS)

Description

Evaluates the Rome IV diagnostic criteria for Cyclic Vomiting Syndrome (CVS). Diagnosis requires stereotypical episodes of acute onset vomiting lasting less than 1 week, occurring at least 3 times in the prior year, with absence of vomiting between episodes. Symptoms must have started at least 6 months ago and be active within the last 3 months.

Usage

rome_iv_cyclic_vomiting_syndrome(stereotypical_episodes, episode_count_12mo,
                                 episodes_separated_1wk, inter_episodic_wellness,
                                 symptom_onset_6mo, active_symptoms_3mo)

Value

A list containing:

Diagnosis

"Criteria Met for Cyclic Vomiting Syndrome (CVS)" or "Criteria Not Met".

Arguments

stereotypical_episodes

Numeric (0 or 1). Are episodes stereotypical regarding onset (acute) and duration (< 1 week)? (1 = Yes).

episode_count_12mo

Numeric. Number of discrete episodes in the prior year. (Must be >= 3).

episodes_separated_1wk

Numeric (0 or 1). Did the episodes occur at least 1 week apart? (1 = Yes).

inter_episodic_wellness

Numeric (0 or 1). Is there an absence of vomiting between episodes? (1 = Yes).

symptom_onset_6mo

Numeric (0 or 1). Did symptoms onset at least 6 months ago? (1 = Yes).

active_symptoms_3mo

Numeric (0 or 1). Have criteria been fulfilled for the last 3 months? (1 = Yes).

References

Stanghellini V, Chan FK, Hasler WL, et al. Gastroduodenal Disorders. Gastroenterology. 2016;150:1380-1392. doi:10.1053/j.gastro.2016.02.011

Examples

# Example 1: Criteria Met
# Stereotypical(1), 4 episodes, Separated(1), Wellness(1), Duration met
rome_iv_cyclic_vomiting_syndrome(1, 4, 1, 1, 1, 1)

# Example 2: Not Met (Insufficient episodes)
# Stereotypical(1), 2 episodes, Separated(1), Wellness(1), Duration met
rome_iv_cyclic_vomiting_syndrome(1, 2, 1, 1, 1, 1)