Transcutaneous oximetry of angiosomes of maxillary and facial arteries in systemic lupus erythematosus

Abstract

Introduction. Systemic lupus erythematosus (SLE) is a chronic disease that belongs to the group of rheumatic diseases and is characterized by autoimmune damage to connective tissue and blood vessels with the development of necrosis, hemorrhages, and thrombosis of various areas of soft tissues, including the oral cavity. In the early stages of periodontitis, signs of damage can be observed in the microvessels of the gums and adjacent parts of the periodontium caused by a violation of their perfusion with oxygen (tcpO2) The aim of the study. To determine the transcutaneous tension of oxygen and carbon dioxide in angiosomes of the maxillary and facial arteries in patients with SLE with affected periodontium. Materials and methods. The work analyzed the results of the examination of 50 patients with SLE (10 men and 40 women) aged 20 to 55 years, who were treated in the rheumatology department of the KNP "ZOKL named after A. Novak" ZOR. Depending on the form of the course, 10 patients were selected, who underwent transcutaneous determination of tcpCO2 and tcpO2 in the angiosomes of the maxillary and facial arteries. Results: the highest values of tissue perfusion with oxygen are observed in the angiosomes of the upper jaw (230 mm Hg) compared to the angiosomes of the lower jaw, where this indicator fluctuated within 81 mm. mercury Art. the highest mean values of transcutaneous tension of carbon dioxide were observed in patients with a severe form of SLE. The tension of tcpO2 in the upper jaw is greater than in the lower one, taking into account the greater branching of the collateral blood flow in the upper jaw due to the anastomoses of m. buccinator and m. masseter. At the same time, tcpCO2 reaches its maximum value in the zone of the lowest tcpO2 indicators both on the upper and lower jaw. Conclusions: The lowest value of transcutaneous oxygen tension was found in patients with a severe form of SLE, where the IPR was 1.14±2.6 on the lower jaw (p>0.05). The highest index of transcutaneous tension of carbon dioxide was found in patients with a severe form of SLE both on the lower and upper jaw (p>0.05).