缺血性脑损伤的发生机制目前尚未明确，临床缺乏有效的治疗手段。
The mechanism of ischemic brain injury has not been elucidated thoroughly now, and there is no effective therapy in clinic.
三叉神经痛是一种常见病，但其病因及发病机制尚未阐明，目前缺乏有效的治疗手段。
Trigeminal neuralgia is the most common facial pain syndrome, which remains a difficult condition to manage due to lack of knowledge on pathophysiological mechanisms.
结论在缺乏合适治疗手段的情况下，钢缆接骨术结合内固定或支架外固定不失为治疗骨不连的有效选择。
Conclusion Cable osteosynthesis combined with internal fixation or external fixator immobilization can be an effective alternative to treat bone nonunion in case no optional procedures are available.
如何加快伤口愈合一直是创伤领域研究的热点，但难愈创面的治疗一直缺乏有效手段。
Although many studies are focused on how to accelerate wound healing, there are still no efficient methods for hard-healing wound.
缺钙是全人类普遍关注的问题，选择有效补钙制剂是预防和治疗钙缺乏的重要手段。
The most important preventive and treatment measure for it is how to choose correctly effective calcium supplements.
结论对婴儿维生素k缺乏致颅内血肿采取微创手术是一种非常有效的治疗手段。
Conclusion Minimally invasive surgery is effective to treat intracranial hematoma caused by delayed vitamin K deficiency in infants.
减肥一种常被推荐的治疗手段，但是还缺乏有效性的数据。
Weight reduction is typically recommended, but efficacy data are lacking.
放疗仍是复发鼻咽癌治疗的主要手段，手术和化疗的有效临床资料十分缺乏。
Radiotherapy is still the main modality. The available clinical data of efficacy with surgery or with chemotherapy are still scarce.
由于缺乏有效的内科治疗手段，目前病毒性肝炎所致急性肝衰竭的病死率仍高达50- 80%。
ALF carries a very high mortality of 50-80% because of the lack of effective medical therapeutic measures.
目前除了有效控制感染，维持脑灌注外缺乏针对脑病有效的治疗手段。
At present, in addition to effective control of infection and maintenance of cerebral perfusion, there is little effective treatment for encephalopathy.
目前除了有效控制感染，维持脑灌注外缺乏针对脑病有效的治疗手段。
At present, in addition to effective control of infection and maintenance of cerebral perfusion, there is little effective treatment for encephalopathy.
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