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CME/MOC

Sleep Related Questionnaires

Cataplexy Questionnaire

Name of questionnaire Cataplexy Questionnaire
Type of original questionnaire-description, age/population Self administered narcolepsy questionnaire with focus on cataplexy-obtained from the cataplexy section of the Standford Center for Narcolepsy sleep inventory
Number of items 51
Number of domains & categories 3
Name of categories/domains

1. Muscle weakness trigger.
2. Type of attack.
3. Other in relation to injury or witnessed by others

Scaling of items Check-list of questions with multiple choice or yes/no answers
Scoring available: with permission or free With permission
Scoring test-retest reliability Not evaluated
Scoring Internal consistency Not evaluated
Validity Validated against impression of sleep specialist blinded to content of questionnaire
Available forms (short and/or long etc.) Long
Language English
Translations in other languages (if yes, then list the languages) No publication found with questionnaire in other language.
Developer(s) name Emmanuel Mignot
Developer contact information for permission mignot@stanford.edu
Availability of questionnaire: needs permission from developer, cost or freely available Freely available
Limitations Test-retest reliability information not available
Link to the questionnaire (if available) http://med.stanford.edu/content/dam/sm/psychiatry/documents/narcolepsy/publications/sleep22.pdf
Other comments

Questionnaire determined that cataplexy was best differentiated from other types of muscle weakness when triggered by only three typical situations: "when hearing and telling a joke," "while laughing," or "when angry." Face or neck, rather than limbs, were also more specifically involved in clear-cut cataplexy.

Other items, such as length of attacks, bilaterality, and alteration in consciousness, were poorly predictive.

Patient populations in who questionnaire has been validated Patients referred to a Sleep Disorder Clinic
References (including original publication, validity and reliability in different countries/languages, populations and long/short versions) 1. Anic-Labat S, Guilleminault C, Kraemer HC, Meehan J, Arrigoni J, Mignot E. Validation of a cataplexy questionnaire in 983 sleep-disorder patients. Sleep 1999;22:77-87.
   
Updated by Maximiliano Tamae Kakazu
The last date of update 12/31/15