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Lung Protective Ventilation (LPV) is considered the gold standard of care nowadays. Even though, all over the world reported adherence to this concept, among anesthesiologists, is only 15%. The investigators hypothesized that the introduction of the Standard Operating Procedure (SOP) document will increase adherence to LPV among anesthesiologists. In this study, the investigators will record ventilating parameters during general anesthesia using Care Station Insights software. Then, the investigators will evaluate the recorded parameters and match them with LPV criteria. The adherence level to every parameter separately will be counted in percentage.
In this study, the investigators will start by stating the current adherence level to the LPV concept during general anesthesia among anesthesiologists. Adherence will be calculated as percentage of cases that will met the criteria. The evaluation will be based on saved data in Care Station Insights software from General Electric. This software is running on anesthesia machines GE Aysis CS2.
The investigators will record and evaluate:
Each parameter will be evaluated separately. The adherence level for each parameter will be interpreted as a percentage of cases that meet the LPV criteria in terms of the given parameter. The investigators will evaluate the 100 most recent cases, before the SOP introduction, to state the current adherence level.
After stating the current adherence level to the LPV during general anesthesia, the investigators will introduce the Standard Operating Procedure document (SOP). SOP introduction will be supplemented with an educational program regarding LPV.
The SOP will include:
The educational program:
Then, the investigators will begin with recording the second set of ventilatory parameters. The investigators will collect the very same parameters to state the current adherence level to LPV during general anesthesia as in the first data set. Ventilatory parameters will be collected the same way as for the first data set, with the use of Care Station Insights software. Anesthesiologists giving the anesthesia care will not know neither the goal of the study nor which parameters are recorded.
After finishing collecting the second data set, based on sample size calculation, the investigators will evaluate these. The evaluation process will be identical to the evaluation process of stating the current adherence level. The investigators will evaluate each parameter separately. Adherence for each parameter will be interpreted as a percentage of cases that meet the LPV criteria in terms of the given parameter.
At the finish, the investigators will compare adherence levels before and after the SOP introduction.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A - Current state | In this group, ventilator parameters will be recorded before the SOP introduction. We will analyze PEEP, Pplat, driving pressure, VT/IBW, and the number and phase of recruitment maneuvers during general anesthesia. | ||
| Group B - After SOP introduction | In this group, ventilator parameters will be collected after the SOP introduction. We will analyze PEEP, Pplat, driving pressure, VT/IBW, and the number and phase of recruitment maneuvers during general anesthesia. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Introduction of Standard Operating Procedure regarding lung protective ventilation during general anaesthesia. | Other | The Standard Operating Procedure document will be introduced. The SOP document will cover the theoretical background, definition, and recommendations/criteria of LPV. The SOP document will reflect the most recent LPV guidelines. |
| Measure | Description | Time Frame |
|---|---|---|
| SOP increase adherence level to lung protective ventilation strategy | The primary objective of the study is to demonstrate that the introduction of the SOP document regarding LPV during general anesthesia will increase adherence (number of cases that meet the SOP criteria) to the LPV concept during general anesthesia among anesthesiologists. We will collect ventilatory parameters during general anesthesia. These parameters will be then evaluated against LPV recommendations. The level of adherence will be counted as a percentage of cases that meets the LPV criteria. For each parameter, we will count the level of adherence separately. | From initiation of mechanical ventilation till extubation, assessed up to 8 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| SOP increase the total number of recruitment maneuvers during a case | The secondary aim of this study is to demonstrate that the introduction of the SOP document regarding LPV during general anesthesia will increase the total number of recruitment maneuvers. With the use of Care Station Insights software, we will record how many recruitment maneuvers are done during general anesthesia. We will compare the total number in the first data set (before the SOP introduction) and in the second data set (after the SOP introduction). |
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Inclusion Criteria:
Exclusion Criteria:
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Ventilatory parameters will be recorded during a case of general anesthesia with the use of an endotracheal tube and a time-cycled ventilatory regime. The recording will be from adult-only operating theatres.
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| Name | Affiliation | Role |
|---|---|---|
| Michal Kalina, MUDr. | Krajská Zdravotní a.s. Klinika anesteziologie, perioperační a intenzivní medicíny MNUL a FZS UJEP | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Masarykova Nemocnice v Ústí nad Labem, Krajská Zdravotní a.s. | Ústí nad Labem | Ústí nad Labem Region | 40001 | Czechia |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41039371 | Derived | Michal K, Jan B, Josef S, Patricia V, Adela B, Roman S, Vladimir C. The mandatory educational module increases the effect of implementing the standard operating procedure and adherence to the lung-protective ventilation concept during anaesthesia. BMC Med Educ. 2025 Oct 2;25(1):1333. doi: 10.1186/s12909-025-07923-z. |
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| From initiation of mechanical ventilation till extubation, assessed up to 8 hours. |
| SOP increase the total number of recruitment maneuvers within the first ten minutes in a case. | The secondary aim of this study is to demonstrate that the introduction of the SOP document regarding LPV during general anesthesia will increase the total number of recruitment maneuvers that are performed within the first ten minutes after securing the airway. We will count the number of recruitment maneuvers done within the first ten minutes and we will compare the count in the first data set (before the SOP introduction) and in the second data set (after the SOP introduction). | From initiation of mechanical ventilation till extubation, assessed up to 8 hours. |
| SOP increase the number of cases with PEEP greater than six cmH2O | The secondary aim of this study is to demonstrate that the introduction of the SOP document regarding LPV during general anesthesia will result in a statistically significant increase in cases with a PEEP value greater than eight cmH2O. We will record the PEEP during a case. For evaluation, we will use the average value of PEEP during the case. We will compare the average PEEP in the first data set (before the SOP introduction) and in the second data set (after the SOP introduction). | From initiation of mechanical ventilation till extubation, assessed up to 8 hours. |
| ID | Term |
|---|---|
| D000074822 | Treatment Adherence and Compliance |
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D015438 | Health Behavior |
| D001519 | Behavior |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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