RANAWAT SCORE


Name and Synonyms

Ranawat score, Ranawat Scale, Ranawat Classification of Neurologic Deficit

Source Article

Ranawat CS, O'Leary P, Pellicci P, et al. Cervical fusion in rheumatoid arthritis. J Bone Joint Surg Am 1979; 61: 1003-1010.

Description

A clinical grading system to describe the neurological status of patient. The Ranawat score is generally used for patients with rheumatoid arthritis.

Structure / Content

Grade 1

Pain, no neurologic deficit

Grade 2

Subjective weakness, hyper-reflexia, dysesthesia

Grade 3A

Objective weakness, long tract signs, ambulatory

Grade 3B

Objective weakness, long tract signs, non-ambulatory

Modified Ranawat Score (Eyres et al. British Journal of Rheumatology 1998;37:756–759)
Grade 0 No neurological abnormality
Grade 1 Hyper-reflexia, asymptomatic
Grade 2 Sensory alteration
Grade 3 Motor weakness, ambulatory
Grade 4 Motor weakness, non-ambulatory

Development

Ranawat classification was proposed by Indian-origin US orthopedic surgeon Chitranjan S. Ranawat, MD.

Scientific Spine's Comment

Ranawat score is simple and neat tool. However, this scale may fail to differentiate reliably between classes II and IIIA, the area of most clinical interest to the clinician.


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