Contraindications of Cryotherapy
a. Impaired sensation. Patients cannot report when they become anesthetic from cold. Tissue damage occurs slightly below temperatures that produce numbness.
b. Impaired circulation: tissue damage may result from vasoconstriction.
c. Open wounds after 48 hours.
d. Hypersensitivity to cold, such as Raynaud's phenomenon, cold urticaria, cryoglobulinemia, and paroxysmal cold hemoglobinuria.
e. Angina pectoris or other severe cardiac disease.
f. Regenerating peripheral nerves.
Knight K: Cryotherapy Theory: Technique and Physiology. Chattanooga, TN, Chattanooga Corporation. 1985