Conclusions Intradialytic hypotension was caused by many factors in the elderly uremic patients undergoing hemodialysis.hypotensive episodes significantly decreased in the combination of SP and UP.

• 结论 老年尿毒症患者透析中低血压是由多种因素造成的，联合应用钠模式和超滤模式可减少透析中低血压的发生。