Pain evaluation in the intensive care unit: listen to the patient, a new approach!

Contrary to wards that manage usually chronic or acute pain (algology, gerontology, surgery, recovery room, and so forth), a comparison of the five most popular self-report pain tools (vertical and horizontal Visual Analog Scale (VAS-V, VAS-H), 0 to 10 oral Numeric Rating Scale (NRS-O), 0 to 10 visual enlarged NRS (NRS-V), Verbal Descriptor Scale (VDS)) has never been evaluated in an ICU setting.