Correlation Between Temperature Rise After Sympathetic Block and Pain Relief in Patients with Complex Regional Pain Syndrome.
Christelle D K SamenOlivia M SuttonAmbrose E RiceMunfarid A ZaidiIngharan J SiddarthanStephanie D CrimmelSteven Paul CohenPublished in: Pain medicine (Malden, Mass.) (2022)
A weak correlation was found for those who experienced greater temperature increases after the block to also experience greater immediate pain relief. Higher temperature increase cutoffs than are typically used might be necessary to determine whether a patient with complex regional pain syndrome has sympathetically maintained pain.