The disease has a significant Raynaud's phenomenon, cold, emotional trauma, drugs can induce limb ischemia. Showed pale fingers, then purple, and finally to red, these changes indicate a prior ischemic arterial spasm, following the venous congestion and reactive hyperemia. Results cause tissue hypoxia. Also suggested that systemic scleroderma damage mainly due to microcirculation. Hyperbaric oxygen therapy can increase the oxygen supply, correct tissue hypoxia, improve blood vessel walls and nerve nutritional status, help eliminate edema and relieve congestion status, so that the skin becomes soft, skin temperature, partial color returned to normal, swollen account subsided. Symptoms have been alleviated. |