Here are eight facts to note:
1. Patients with psoriasis who experience physical trauma had an incidence rate of 30 per 10,000 persons for developing arthritis.
2. The incidence rate for those who did not endure trauma was 22 per 10,000 persons.
3. The hazard ratio for psoriatic arthritis after trauma was 1.32, according to Thorvadur Love, MD, of Landspitali University Hospital in Reykjavik, Iceland.
4. Several patients with psoriasis experience Koebner phenomenon, an event where lesions develop at sites of pervious cutaneous trauma. A similar “deep” Koebner phenomenon has been suggested to result in the development in psoriasis arthritis post injury.
5. The Health Improvement Network, a database Dr. Love and his colleagues used to analyze data of patients with psoriasis, indicated patients who experience bone traumas have a multivariate hazard ratio of 1.46 while also later being diagnosed with psoriatic arthritis.
6. There was a 50 percent increased risk for those patients who had endured joint trauma.
7. The analysis also proved patients without psoriasis who had experienced trauma did not have an increased risk for developing arthritis.
8. Dr. Love’s study is preliminary and therefore cannot offer substantial recommendations in avoiding physical trauma such as avoiding sports. However, these findings will help physicians potentially modify the risk in the future.
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