• Stamatis Baronos, Joel M Yarmush, Jennifer L Stedman, Sangeetha Kamath, Camilla Xavier, and Khaja Ahmed.
• From the Department of Anesthesiology, NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn, New York.
• Anesth. Analg. 2019 Jun 1; 128 (6): 118511871185-1187.

BackgroundThe Joint Commission requirement is that the US Pharmacopeia Chapter <797> is followed, which recommends that administration of compounded sterile preparations should begin no later than 1 hour after their preparation. We hypothesized that simply spiking the IV fluid in a nonsterile environment does not pose an increased risk of infection to the patient.MethodsTwo 1000-mL bags of IV fluid (normal saline and dextrose 5% in water) were spiked and hung in 5 busy perioperative locations, once a week for a 13-week period. A 10-mL sample was drawn from each bag of IV fluid at time zero and 24 hours resulting in 260 samples in total. All samples were inoculated in 2 separate growth media (sheep's blood agar and thioglycollate broth). The primary outcome was growth versus no growth in any of the specimens. If any growth was noted, the sample was marked as positive and further testing to identify the organism was undertaken.ResultsA total of 257 samples (normal saline = 127, dextrose 5% in water = 129) were collected over a period of 13 weeks, yielding 514 specimens. Three samples were excluded from the study secondary to the IV bags being discarded accidentally. No growth was identified in any of the specimens. The 97.5% CIs were as follows: normal saline = 127 (0-0.034) and dextrose 5% in water = 129 (0-0.033), correcting for multiple tests.ConclusionsNo bacterial growth was noted in any of the 257 samples collected. Normal saline and dextrose 5% in water do not support bacterial growth 24 hours after their preparation using standard sterile techniques in the perioperative space.

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