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观察颌面、颅脑损伤90例,男82例,女8例;年龄16～57岁。分3组,每组30例。入院时临床诊断:第1组诊断下颌骨折,无颅脑损伤;第2组诊断颅脑损伤,无颌骨骨折;第3组诊断上、下颌骨骨折合并颅脑损伤。除了进行系统性体检和测肱动脉血压以外,测定面动脉、上下唇动脉和静脉血压(即区域动,静脉血压);用裂隙灯活体显微镜检查球结膜微血管指数、血管内指数和血管周围指数;用检眼镜检查视网膜血管和视神经盘的状况;以评定区域性微循环的变化。对照组是30例19～42岁健康人。 检查结果:这3组病例的区域动脉压和静脉压均明显高于正常(P<0.001),提示区域小血管痉挛;各组之间差别不大,但伤侧高于健侧。球结膜活体显微镜检
90 cases of maxillofacial and craniocerebral injuries were observed, including 82 males and 8 females, aged from 16 to 57 years. Divided into 3 groups, 30 cases in each group. Clinical diagnosis on admission: Group 1 diagnosed mandibular fractures without craniocerebral injury; group 2 diagnosed craniocerebral injury without jaw fractures; group 3 diagnosed mandibular fractures with craniocerebral injury. In addition to systematic physical examination and brachial artery blood pressure measurement, facial arteries, upper and lower lip arteries and venous blood pressure (ie, regional arterial and venous pressure) were measured. Bulbar conjunctival microvascular index, intravasal index and perivascular index were examined by slit lamp live microscopy. The ophthalmoscope was used to examine the condition of the retinal vessels and the optic disc to assess regional changes in microcirculation. The control group was 30 healthy people aged 19-42. Examination results: The regional arterial pressure and venous pressure in these three groups were significantly higher than normal (P <0.001), suggesting regional small vasospasm; the difference between the groups was not significant, but the injured side was higher than the healthy side. Conjunctiva in vivo microscopy