At a glance
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The Effects of Low Flow and Normal Flow Desflurane Anesthesia on Postoperative Liver and Renal Functions and Serum Cystatin C Levels in Geriatric Patients: A Prospective Randomized Controlled Study
In Brief
A clinical study evaluating Low flow desflurane anesthesia (Group D) for Anesthesia and 3 related conditions. Completed, enrolled 60 participants across 1 site.
Detailed Summary
Aging is a physiological process. In the elderly, loss of functional reserve in all organ system, regression in anabolic processes and increase in catabolic processes are observed s (1). The number of geriatric patients is also increasing in our country. Technological developments in anesthesia and surgery technics show that we will provide medical services to more elderly patients over time(2). Cystatin C is excreted only by the kidney (7, 8). Serum cystatin C level is not affected by body muscle mass, age and gender. The half-life is short. Because of all these features, it is thought to be more sensitive than creatinine in evaluating kidney functions (8,9). In this study, it was aimed to compare the effects of low flow and normal flow desflurane anesthesia applied in geriatric patients on postoperative liver and kidney functions and serum cystatin C levels.
Study Details
Timeline
Interventions
When the MAC value of desflurane was 1, fresh gas flow was decreased to 0.5 L/min (60% O2+40% air). Hemodynamic parameters, SpO2 and BIS values were recorded after induction, at the beginning of low flow/normal flow anesthesia and every 5 minutes during surgery. The patients were observed in terms of side effects and complications during the operation and in the postoperative period. To research the liver and the kidney functions, blood samples were taken pre-induction, post-surgery, and at the postoperative 24th hour by venous route.