CONCLUSION: CsA can inhibit hypertensive cardiac hypertrophy, but large dose or longer period of application will lead to severe myocardial edema, which is dose-dependent and time-dependent.
结论：环孢霉素A可抑制高血压心肌肥大，但较大剂量或较长时间应用则会产生严重心肌水肿，并且这种作用是剂量、时间依赖性的。
Objective: to evaluate the clinical value of bolus injection with large dose of contrast agent by power injector on MR imaging of metastatic brain tumor and in application of MRA.
目的：探讨大剂量对比剂注射器团注在脑转移瘤及其血管成像中的临床意义。
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