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Researchers at the University of Texas Health Science Center in Houston have conducted a study on the safety and effectiveness of stellate ganglion cryoablation in treating complex regional pain syndrome (CRPS). The study involved eight patients diagnosed with CRPS who underwent the procedure. The researchers found that stellate ganglion cryoablation was a feasible, safe, and minimally invasive treatment option for select patients with CRPS. The study also introduced a novel CRPS scoring system called the Budapest score to assess symptom severity. [Extracted from the article]