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19-Oct-2018

Study Finds Only 59 Percent of Young Adults Undergoing Surgery Are Fluid Responsive

Cheetah Medical, a Massachusetts-based leader in non-invasive fluid management devices, today announced study results leveraging Cheetah Medical technology were presented at the American Society of Anesthesiologists ANESTHESIOLOGY 2018 annual meeting in San Francisco, held from October 13-17. The data show that in a population of young adults presenting for surgery, over 40 percent of patients were not fluid responsive prior to and after inducing anesthesia.

The prospective trial of 22 young adult patients (ages 18-30) presenting for surgery was led by Andrew Stasic, M.D., associate professor of clinical anesthesia at the Indiana University School of Medicine. Measurements of cardiac output, stroke volume (SV) and fluid volume responsiveness were collected before and after the induction of anesthesia. Patients were determined to be fluid responsive if SV increased more than 10 percent via passive leg raise (PLR) as measured by Cheetah technology. Hemodynamic measurements were taken prior to anesthesia administration. The measurements were then repeated after obtaining a steady state level of anesthesia before the start of surgery.

“Most clinicians would expect that all young patients presenting for surgery would be fluid responsive,” said Dr. Stasic. “The study is important because it shows that this presumption is not true. 41 percent of our patients were not fluid responsive and possibly at higher risk of fluid mis-management.”

The data from performing PLRs in the patient population showed that prior to the induction of anesthesia, only 59 percent (13/22) were fluid responsive. This percentage remained constant following the induction of anesthesia. Forty-one percent were not fluid responsive or preload dependent. Patients who are non-preload dependent may be at higher risk for complications due to inappropriate fluid management.

“These results demonstrate that not all patients are fluid responsive, including those of a younger demographic,” said Doug Hansell, M.D., M.P.H., chief physician executive at Cheetah Medical. “Accurately assessing fluid responsiveness with technology like Cheetah’s continues to be a critical component of risk mitigation associated with improper fluid management even in young adults.”

About Cheetah Medical
Cheetah Medical is the pioneer and leading global provider of 100 percent non-invasive fluid management monitoring technologies, designed for use in critical care, operating room and emergency department settings. The CHEETAH Starling™ SV is fast becoming the gold standard in fluid management, as it provides immediate, dynamic assessments of fluid responsiveness, enabling clinicians to make more confident and informed treatment for their patients. Moreover, recent research from the University of Kansas Medical Center has shown effective fluid management can reduce hospital ICU stays by an average of 2.89 days, reduce risk of mechanical ventilation and initiation of acute dialysis, saving over $14,000 in medical costs per patient. The company’s fluid management systems currently make an impact in more than 400 hospitals throughout the U.S. and in 30 countries worldwide.

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Last Updated: 19-Oct-2018