基于红外热成像技术探究原发性痛经女性图像特点研究

Study on the image characteristics of women with primary dysmenorrhea based on infrared thermography

目的应用红外热成像技术分析原发性痛经(primary dysmenorrhea,PD)女性体表温度的分布特点和规律。方法于2021年10至12月募集南方医科大学健康女性志愿者200名,根据是否有PD分为PD组(n=100)与正常组(n=100)。志愿者通过视觉模拟评分法(VAS)对痛经程度进行分级,同时使用红外热成像系统进行热图拍摄,并测量相应区域温度进行分析。结果与正常组相比,PD组手掌、下肢前区、脐部、下腹部及膝盖大腿内侧部温度偏低(P<0.05),而脊柱及会阴部差异无统计学意义;PD组成像多表现为左右肢体颜色分布不对称,左侧下肢前区温度[(30.56±0.63)℃]较右侧[(29.84±0.92)℃]高,而左侧膝盖大腿内侧部温度[(30.64±0.83)]较右侧[(31.35±0.48)℃]低(均P<0.05);PD组中手掌、下腹部在重度痛经组中的温度均低于轻度及中度痛经组(P<0.05),而轻度与中度痛经组之间无差异。手掌、下腹部温度与痛经程度呈负相关(rs=-0.509,P=0.001;rs=-0.275,P=0.006)。结论痛经女性有多处体表温度较正常者低,且左右侧肢体或区域温度失衡。手掌、下腹部对痛经评估和疗效预测具有参考价值。

Objective To use infrared thermography to analyze the distribution characteristics and patterns of body sur-face temperature in women with primary dysmenorrhea(PD).Methods Healthy female volunteers from Southern Medi-cal University were recruited between October and December 2021 and were divided into a PD group(n=100)and a nor-mal group(n=100)according to whether they had PD or not.Volunteers graded the degree of dysmenorrhea by visual an-alog scoring(VAS),while thermograms were taken using an infrared thermography system,and the temperature of thecorresponding area was measured for analysis.Results Compared with the normal group,the PD group had lower tem-peratures in the palms,anterior regions of the lower limbs,umbilicus,lower abdomen,and medial part of the knee andthighs(P<0.05),while the differences in the spine and perineum were not statistically significant;the PD group imagemostly showed an asymmetrical distribution of the color of the right and left limbs,with the temperature of the anterior re-gion of the left lower limb[(30.56±0.63)℃]being higher than that of the right side[(29.84±0.92)℃],and the left kneeand thigh medial part temperature[(30.64±0.83)℃]was lower than that on the right side[(31.35±0.48)℃](P<0.05);in the PD group,palm and lower abdomen temperatures were lower in the severe dysmenorrhea group than in themild and moderate groups(P<0.05),whereas there was no difference between the mild and moderate groups.Palm andlower abdomen temperatures were negatively correlated with the degree of dysmenorrhea(rs=-0.509,P=0.001;rs=-0.275,P=0.006).Conclusions Women with dysmenorrhea have multiple body surface temperatures that are lower than normal and an imbalance of temperature between left and rightlimb or regions.The palms and lower abdomen are infor-mative for dysmenorrhea assessment and efficacy prediction.