英语语法分析

What is the specific clinical manifestation of this cardiorenal protection?

这种心肾保护作用有哪些特殊的临床表现？

The term cardiorenal syndrome (CRS) increasingly has been used without a consistent or well-accepted definition.

长期心肾综合征（CRS）越来越多地被用来没有一致或广为接受的定义。

Cardiorenal syndrome is very difficult to copy with in chronic renal failure and chronic heart failure. It is the common reason resulting in the death of elder patients.

心肾综合征是慢性肾衰竭和慢性心力衰竭中治疗的难题，它是引起老年人死亡的常见原因。