Valencia, Spain | 16 - 18 May 2024 11th EORNA Congress ePosters 43 ePoster 1 Comparative Study of TIVA versus Balanced Anesthesia, after implementation of Enhanced Recovery Surgery (ERAS) Program in a Day Care Center Maria Kapritsou1, Konstantinos Salatas2, Konstantinos Pistolas2, Spyridon Stavrianos2 1Hellenic Anticancer Institute “Saint Savvas” Hospital, Surgical Sector, Athens, Greece, 2Hellenic Anticancer Institute, ‘’Saint Savvas’’ Hospital, Athens, Greece Background: The evolution of anesthetic agents and the management of acute postoperative pain, in combination with patient’ s pain assessment and the development of perioperative care are the main reasons for providing safer anesthesia to day care centers. Meanwhile, the introduction of minimally invasive surgical techniques and the ERAS Programs result in the reduction of tissue damage and postoperative pain, as well as the patients discharge the same day of surgery. Objectives: The aim of this study was to compare total intravenous anesthesia (TIVA) versus balanced one, after plastic reconstruction surgery, in a day care center. Methods: It was a prospective randomized clinical study. Sixty patients, who underwent plastic reconstruction surgery, participated. In group Α, (N=30), TIVA protocol was applied (midazolam-fentanyl-propofol) and, in group B (N=30), balanced anesthesia. Patients’ demographic and anthropometric data, the presence or absence of nausea-vomiting, as well as the evaluation of pain levels and the patients’ awakeness were recorded. Statistical analysis was performed with SPSS 22 (IMB SPSS Software) at a significant level 0.05. Results: There were no significant differences according to gender and body mass index (BMI), but there was a significant difference in the age (p=0.001) between the 2 groups. Also, there were no significant differences in the pain levels and the awakeness. Likewise, in TIVA group, there was a negative correlation between age and propofol dosage (rho=-0.48, p=0.007) and, a positive correlation between BMI and droperidol dosage (rho=0.41, p=0.022). While, in no TIVA group, there was a negative correlation between midazolam and fentanyl dosage (rho=-0.37, p=0.039). Conclusion: It is showed that the implementation of TIVA in combination with ERAS program is safe and efficient for the patients, since there was no difference in pain levels and awakeness, between the 2 groups. 114 A comparison of two clothing systems in the level of fluorescent bioparticles - Air cleanliness in hip and knee replacements Lise-Lott Larsson1, Johan Nordenadler1, Mattsson Janet1, Gunilla Björling1, Harald Brismar1 1Karolinska Institutet Background: Prosthetic joint infections is a patient safety risk. Bacteria-carrying airborne particles that end up in the surgical wound, on surgical instruments or implants are likely to be of great importance. Airborne particles come to a large extent from the healthcare personals. Traditionally, the number of colony-forming bacteria per unit of air (CFU/m3) has been used as a measure of air cleanliness. An alternative measure is the number of fluorescent bioparticles per unit of air (FBP/dm3), which can be measured in real time with a Bio Aerosol Monitoring System (BAMS). Objectives: The aim of the study was to compare levels of fluorescent bioparticles between two dressing systems of different density in the context of prosthetic surgery. Methods: The mean level of FBP/dm3 per surgery was first recorded in 37 consecutive primary hip and knee replacement surgeries where all personnel wore a reusable dressing system, Mertex (cotton-polyester). Subsequently, 37 matched (surgery type) consecutive patients were included where all staff wore a disposable system, Clean Air Suit (polypropylene). The surgeries were performed in two identical modern operating theatres with mixed ventilation (49 air changes/h) at Karolinska University Hospital, Huddinge during the period January – June 2022. Results: Levels of biofluorescent particles were almost 6 times higher when the staff wore Mertex clothing (102 FBP/dm3, CI 92–114) compared to when Clean Air Suite clothing was used (18 FBP/dm3, CI 16–20), p = < 0,001. Conclusion: Clothing systems with higher density provide a reduced number of fluorescent bioparticles in the operating theatre air and therefore probably a lower risk of prosthetic-related infections. Real-time measurement of fluorescent bioparticles is likely to have great potential as a real-time monitoring system of operating room air quality as it gives than immediate detection of air impurities.
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