A blood volume monitor allows for real-time, noninvasive measurement of hematocrit, oxygen saturation, and changes in intravascular blood volume during a HD treatment.
Can a Blood Volume Monitor Reduce The Episodes of Hypotension in Patients On Hemodialysis?
(2003) performed a prospective, pediatric observational study to evaluate the use of a hematocrit-guided ultrafiltration protocol using a blood volume monitor. They initiated the protocol over a two-year period with 51 pediatric patients and compared hospitalization rates and acceptable maintenance blood pressure control to the rates they experienced prior to protocol initiation.
This trial compared Crit-Line use to traditional clinical monitoring without a blood volume monitor over a six-month period.
A study by Booth, Pinney, and Davenport (2011) also sought to establish whether a blood volume monitor could predict IDH.
(2013) conducted an initiative in which 15 hemodialysis units were assigned to one of two techniques, education only or education plus blood volume monitor (Crit-Line) use.
Key Words: Blood volume monitor, intradialytic hypotension, chronic hemodialysis.
Blood volume monitors have experienced varying degrees of adoption within the renal community.
Over the past 20 years, studies have found conflicting data regarding the ability of the blood volume monitors to successfully prevent or reduce the frequency of IDH in patients undergoing HD.
The prevalence of hematocrit-based blood volume monitors in HD units is an indication of the challenges experienced by clinicians who are faced with treating IDH.