Safety and Feasibility of Intraoperative High PEEP Titrated to the Lowest Driving Pressure (ΔP)-Interim Analysis of DESIGNATION
Uncertainty remains about the best level of intraoperative positive end-expiratory pressure (PEEP). An ongoing RCT ('DESIGNATION') compares an 'individualized high PEEP' strategy ('iPEEP')-titrated to the lowest driving pressure (ΔP) with recruitment maneuvers (RM), with a 'standard low PEEP' strategy ('low PEEP')-using 5 cm H2O without RMs with respect to the incidence of postoperative pulmonary complications. This report is an interim analysis of safety and feasibility. From September 2018 to July 2022, we enrolled 743 patients. Data of 698 patients were available for this analysis. Hypotension occurred more often in 'iPEEP' vs. 'low PEEP' (54.7 vs. 44.1%; RR, 1.24 (95% CI 1.07 to 1.44); p < 0.01). Investigators were compliant with the study protocol 285/344 patients (82.8%) in 'iPEEP', and 345/354 patients (97.5%) in 'low PEEP' (p < 0.01). Most frequent protocol violation was missing the final RM at the end of anesthesia before extubation; PEEP titration was performed in 99.4 vs. 0%; PEEP was set correctly in 89.8 vs. 98.9%. Compared to 'low PEEP', the 'iPEEP' group was ventilated with higher PEEP (10.0 (8.0-12.0) vs. 5.0 (5.0-5.0) cm H2O; p < 0.01). Thus, in patients undergoing general anesthesia for open abdominal surgery, an individualized high PEEP ventilation strategy is associated with hypotension. The protocol is feasible and results in clear contrast in PEEP. DESIGNATION is expected to finish in late 2023.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Journal of clinical medicine - 13(2023), 1 vom: 29. Dez. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Nijbroek, Sunny G L H [VerfasserIn] |
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| Links: |
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| Themen: |
Anesthesia |
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| Anmerkungen: |
Date Revised 12.01.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/jcm13010209 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a Uncertainty remains about the best level of intraoperative positive end-expiratory pressure (PEEP). An ongoing RCT ('DESIGNATION') compares an 'individualized high PEEP' strategy ('iPEEP')-titrated to the lowest driving pressure (ΔP) with recruitment maneuvers (RM), with a 'standard low PEEP' strategy ('low PEEP')-using 5 cm H2O without RMs with respect to the incidence of postoperative pulmonary complications. This report is an interim analysis of safety and feasibility. From September 2018 to July 2022, we enrolled 743 patients. Data of 698 patients were available for this analysis. Hypotension occurred more often in 'iPEEP' vs. 'low PEEP' (54.7 vs. 44.1%; RR, 1.24 (95% CI 1.07 to 1.44); p < 0.01). Investigators were compliant with the study protocol 285/344 patients (82.8%) in 'iPEEP', and 345/354 patients (97.5%) in 'low PEEP' (p < 0.01). Most frequent protocol violation was missing the final RM at the end of anesthesia before extubation; PEEP titration was performed in 99.4 vs. 0%; PEEP was set correctly in 89.8 vs. 98.9%. Compared to 'low PEEP', the 'iPEEP' group was ventilated with higher PEEP (10.0 (8.0-12.0) vs. 5.0 (5.0-5.0) cm H2O; p < 0.01). Thus, in patients undergoing general anesthesia for open abdominal surgery, an individualized high PEEP ventilation strategy is associated with hypotension. The protocol is feasible and results in clear contrast in PEEP. DESIGNATION is expected to finish in late 2023 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a PEEP | |
| 650 | 4 | |a RM | |
| 650 | 4 | |a anesthesia | |
| 650 | 4 | |a driving pressure | |
| 650 | 4 | |a feasibility | |
| 650 | 4 | |a interim analysis | |
| 650 | 4 | |a intraoperative ventilation | |
| 650 | 4 | |a positive end–expiratory pressure | |
| 650 | 4 | |a recruitment maneuver | |
| 650 | 4 | |a safety | |
| 650 | 4 | |a ventilation | |
| 700 | 1 | |a Hol, Liselotte |e verfasserin |4 aut | |
| 700 | 1 | |a Serpa Neto, Ary |e verfasserin |4 aut | |
| 700 | 1 | |a van Meenen, David M P |e verfasserin |4 aut | |
| 700 | 1 | |a Hemmes, Sabrine N T |e verfasserin |4 aut | |
| 700 | 1 | |a Hollmann, Markus W |e verfasserin |4 aut | |
| 700 | 1 | |a Schultz, Marcus J |e verfasserin |4 aut | |
| 700 | 0 | |a DESIGNATION Investigators |e verfasserin |4 aut | |
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