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目的：探讨冷沉淀的胸膜粘连效果和胸膜腔造影在气胸的病变定位诊断、治疗中的指导作用。方法：对22例自发气胸经胸膜腔造影显示病灶部位，用同型或AB型血制备的冷沉淀2u（4Oml）经胸腔引流管注入胸腔，行局部胸膜粘连术。术后随访胸片和肺功能。结果：胸腔造影发现肺大疱19例，“喷雾征”1例，未见异常者2例；肺大疮诊断率8636％，其部位多在肺尖。冷沉淀局部胸膜粘连术治疗21例成功，1例失败，成功率95．45％，无不良反应。随访病例无1例复发，胸片亦未显示明显胸膜增厚，肺功能未见异常。结论：冷沉淀局部胸膜粘连术操作简便，效果确切，无不良反应，可用于初发或复发性、难治性气胸，更适用于年老、体弱、肺功能差不能耐受手术者。
Objective: To investigate the effect of cryoprecipitated pleural adhesions and pleural cavity imaging in the diagnosis and treatment of pneumothorax lesions. Methods: Twenty-two cases of spontaneous pneumothorax by pleural contrast-enhanced radiofrequency angiography showed that the cryoprecipitate 2u (40ml) prepared by homozygous or AB-type blood was injected into the thoracic cavity through pleural drainage tube for local pleural adhesion. Postoperative chest X-ray and pulmonary function were followed up. Results: Thoracography found that 19 cases of bullae, “spray sign” in 1 case, no abnormalities in 2 cases; the diagnosis of pulmonary sores 8636%, the site mostly in the tip of the lung. Cryoprecipitated pleural adhesions in 21 cases of successful treatment, 1 case of failure, the success rate of 95.45%, no adverse reactions. No case of follow-up of patients relapsed, chest X-ray showed no significant pleural thickening, no abnormal pulmonary function. CONCLUSION: The cryoprecipitated pleural adhesions are simple, effective, and have no adverse reactions. They can be used in primary or recurrent and refractory pneumothorax, and are more suitable for elderly patients with frailty and poor pulmonary function.