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The Effect of Educational Curriculum Implementation Related to Tracheal Intubation on Preventing Clinical and Psychological Consequences of

COVID-19 among Intensive Care Unit Personnel

Kamelia Ghajarzadeh1, Maryam Milani Fard2, Hamidreza Alizadeh Otaghvar3, Seyed Hamid Reza Faiz4, Ali Dabbagh5, Masood Mohseni6,Salume Sehat Kashani7, Amir Mohammad Milani

Fard8,Mahmoud Reza Alebouyeh9*

1M.D, Anesthesiology Resident, Pain Research Center, Iran University of Medical Sciences, Tehran, Iran.E-mail:[email protected]

2Anesthesia and pain Reaserch Center, Rasoul Akram Hospital, Phd Student of Anatomy, Iran university of Medical Sciences, Tehran, Iran.E-mail: [email protected]

3Associate Professor of plastic surgery, Trauma and Injury center, Iran university of medical sciences, Tehran, Iran. E-mail: [email protected]

4Professor of Anesthesiology, Iran University of Medical Sciences,Tehran,Iran. E-mail:

[email protected].

5M.D, Professor of Cardiac Anesthesiology, Anesthesiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. E-mail:[email protected].

6Associate professor,Department of Anesthesiology,Iran University of Medical Sciences,Tehran, Iran. E-mail: [email protected].

7M.D,Assistant professor of Anaesthesiology, Pain Research Center, Iran University of Medical Sciences, Tehran, Iran.E-mail: [email protected].

8Graduate of nursing, School of nursing and medical emergency, Alborz University of Medical Sciences,‎ Tehran, Iran.E-mail: [email protected].

9M.D., Associate professor of Anaesthesiology, Pain Research Center, Iran University of Medical Sciences, Tehran, Iran.E-mail:[email protected]

*Corresponding author: Mahmoud Reza Alebouyeh, M.D., Associate professor of Anaesthesiology, Pain Research Center, Iran University of Medical Sciences, Tehran, Iran. (E-

mail: [email protected])‎. Address: Pain Research Center, Hazrat Rasoul Akram Hospital, Niayesh St, Sattarkhan Ave, Tehran, Iran.

ABSTRACT

Objectives: The use of current modified rules for intubation can result in better outcome with respect to preventing transmission of COVID-19 infection to healthcare providers. We aimed to assess the effect of implementing preventive and managerial protocols related to tracheal intubation of COVID-19 patients on preventing adverse clinical and psychological outcomes in personnel of intensive care units.

Methods: This randomized single-blinded clinical trial study was performed on all personnel of ICU in a referral center for COVID-19 patients in Tehran in April 2020. The personnel were assigned into two group as the intervention group including personnel who received the necessary training to perform intubation based on existing standard and modified protocol and the control group that did not participate in the training sessions and continued their routine

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performance. Along with the clinical assessments, the personnel were assessed for depression and stress symptoms using the short form of Depression Anxiety and Stress Scale (DASS), 14 days after educational session.

Results: There was no difference in clinical symptoms, hemodynamic condition, and laboratory findings across the two groups of personnel. The assessment of psychological aspects in both intervention and control group showed no difference in mean depression score as well as the severity of depressive mood, but the mean stress score in the two groups was 7.42±2.00 and 14.92±5.79 respectively indicating a significant difference (p = 0.007). In this regard, stress in any of its severity was not found in the personnel of education-based intervention group, however more than half of the personnel in control group suffered from mild to moderate stress.

Conclusion: The scheduling and conducting training sessions and curricula related to intubation of COVID-19 patients can be very effective in reducing the level of personnel stress and therefore may reserve their occupational performance and minimized the likelihood of exposure to COVID-19.

Keywords: Intubation, Curriculum, COVID-19, Intensive Care Unit

INTRODUCTION

The respiratory activities of the patients suffering COVID-19 disease especially those who undergo medical procedures such as chipping, bronchoscopy or aspiration are thought to cause airborne particles remaining in the air and thus putting health care workers at risk for such infection(Reddy et al., 2020). As the number of COVID-19 cases is fluctuating exponentially around the world, invasive procedures particularly those requiring intubation has declined in many centers to allow the transfer of resources to areas of need, the intensive care unit (ICU) as well as reduce the risk for infection transmission from its main resources(Shang et al., 2020).

Patients with COVID-19 may face with progressive feature of the disease as hypoxic respiratory failure or multisystem failure and thus they may require intubation and special care management.

According to the recent reports by the World Health Organization, the needing for tracheal intubation for COVID-19 patients has been estimated to be 2.3% (Guan et al., 2020). The remarkable thing about this is that healthcare providers especially anesthesiologists are at the forefront of the COVID-19 related epidemic and to guide the medical management of patients with COVID-19, they need to be aware of the best evidence available and keep themselves safe(Tobaiqy et al., 2020). Preventing the transmission of pathogenic transmission is of particular importance, especially given the limited availability of personal protective equipment that we currently face. Anesthesiologists and other prenatal care providers are at risk, especially when providing respiratory care and tracheal intubation in patients with COVID-19(Greenland et al., 2020). In this regard, the World Federation of Societies of Anaesthesiologists (WFSA) draws the attention of anesthesia teams to the importance of proper precautions when providing respiratory cares for these patients(Şentürk et al., 2020). Therefore, along with high predictive risk for critically ill patients suffering COVID-19, tracheal intubation carries own a high risk to the intubators of such patients(Yao et al., 2020). In this regard, it seems that following-up the

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current guidelines for intubation of the pointed patients as well as the use of current modified rules for intubation can result in better outcome with respect to preventing transmission of infection to healthcare providers, but we could not find any data on these protective approaches.

Hence, we aimed to assess the effect of implementing preventive and managerial protocols related to tracheal intubation of COVID-19 patients on preventing adverse outcome in personnel of ICUs.

MATERIALS AND METHODS

This randomized single-blinded clinical trial study was performed on all personnel of ICU (including anesthesiologists, residents, and nurses) in a referral center for COVID-19 patients in Tehran in April 2020. The personnel with the experience less than 1 year or could not involveed or uneducated for tracheal intubation were excluded from the present study. A written informed consent was taken from all eligible personnel entering the trial. Using the random number table, the personnel were assigned into two group as the intervention group including personnel who received the necessary training to perform intubation based on existing standard and modified protocol and the control group that did not participate in the training sessions and continued their routine performance. Both groups were completely unaware of the plan which considered for another group. Also, the personnel of the intervention group were asked not to transfer information about the nature of their training program to the personnel of the control group. In a two-hour, face-to-face training session, the intervention team personnel were trained on the basis and specific methods of the intubation of COVID-19 patients. The training session was held in the college and out of ICUs environment. For structuring the curriculum of such educational session, “the safe airway society principles of airway management and tracheal intubation specific to the COVID-19 adult patient” published by Brewster et al in 2020 (Brewster et al., 2020) was employed. Briefly, the major topics of such guiding principles included intensive training, early intervention, meticulous planning, vigilant infection control, efficient airway management processes, clear communication, and standardized practice. Moreover, the last principle for modified tracheal intubation was also trained for the interventional personnel. The personnel of the control group continued their normal performance without any training or advice. During the next 14 days, each of the personnel in intervention and control groups who had performed at least three cases of intubation in COVID-19 patients was evaluated for disease- related manifestations, hemodynamic status, routine laboratory indices followed by tested for the COVID-19 infection. Along with the pointed assessments, the personnel were assessed for depression and stress symptoms using the short form of Depression Anxiety and Stress Scale (DASS), 14 days after educational session. This tool consists of 21 scales, each of which measures a psychological factor or structure. The subject should indicate the severity of the symptoms in each component experienced during the past week (Asghari et al., 2008). The scale uses the Likert four-level scoring system, with 0 to 3 points representing non-conformity 0 to very consistent 3, the higher the score, the higher the level of negative emotions.

For statistical analysis, results were presented as mean ± standard deviation (SD) for quantitative variables and were summarized by frequency (percentage) for categorical variables. Continuous

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variables were compared using t test or Mann-Whitney test whenever the data did not appear to have normal distribution or when the assumption of equal variances was violated across the study groups. Categorical variables were, on the other hand, compared using chi-square test.

Based on the review of resources, potential variables affecting the response were determined. P values of ≤ 0.05 were considered statistically significant. For the statistical analysis, the statistical software SPSS version 24.0 for windows (IBM, Armonk, New York) was used.

RESULTS

Comparing the baseline characteristics including demographics, educational level, work experience, type of shifts, and medical history showed no difference between the intervention and control groups (Table 1). In clinical and laboratory assessment of both groups of personnel 14 days after initiating the intervention (Table 2) showed no difference in clinical symptoms, hemodynamic condition, and laboratory findings. The positive molecular test for COVID-19 was revealed in none of the personnel. The assessment of psychological aspects in both intervention and control group showed no difference in mean depression score as well as the severity of depressive mood (Table 2), however the mean stress score in the two groups was 7.42±2.00 and 14.92±5.79 respectively indicating a significant difference (p = 0.007). In this regard, stress in any of its severity was not found in the personnel of education-based intervention group, however more than half of the personnel in control group suffered from mild to moderate stress.

Using multivariable linear regression model (Table 3), holding of education session for intubation could not affect the likelihood of depression in personnel, but in similar model (Table 4), such educational intervention could improve the level of personnel stress effectively (beta = 7.007, p = 0.038).

Table 1: Baseline characteristics in the two intervention and control groups

P value Control group

(n = 12) Intervention group

(n = 12) Item

0.673 4 (33.3)

5 (41.7) Male gender

0.908 33.50±8.39

33.17±5.29 Mean age, year

0.067 25.18±1.19

24.73±1.30 Mean BMI, kg/m2

0.621 Education level

4 (33.3) 2 (16.7)

Bachelor

6 (50.0) 8 (66.7)

Master

2 (16.7) 2 (16.7)

PhD

0.494 6.17±4.32

7.25±3.22 Years of experience

0.653 Type of shift

3 (25.0) 4 (33.3)

8-hour

9 (75.0) 8 (66.7)

12-hour

0.537 2 (16.7)

1 (8.3) History of hypertension

0.307 0 (0.0)

1 (8.3) History of diabetes mellitus

1.000 1 (8.3)

1 (8.3) History of ischemic heart disease

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Table 2: 14-day outcome in the two intervention and control groups

P value Control group

(n = 14) Intervention group

(n = 14) Item

Clinical symptoms

0.615 3 (25.0)

2 (16.7) Fever

1.000 2 (16.7)

2 (16.7) Cough

0.615 2 (16.7)

3 (25.0) Fatigue

Hemodynamic status

74.58±4.50 75.42±5.41

Mean heart rate

13.92±1.24 14.42±1.31

Mean respiratory rate

139.17±14.59 142.50±16.31

Mean SBP

84.58±9.16 84.58±9.88

Mean DBP

97.58±0.52 97.92±0.67

Mean O2 saturation Laboratory findings

5.17±0.64 4.81±0.46

Mean WBC count

1.67±0.52 1.51±0.26

Mean lymphocyte count

27.17±4.54 28.33±3.75

Mean AST level

30.50±4.85 30.00±3.91

Mean ALT level

7.17±2.25 8.33±2.38

Mean ESR level

5.00±1.13 5.08±1.51

Mean CRP level

0 (0.0) 0 (0.0)

Positive COVID-19 test Psychological status

0.744 11.00±3.04

11.42±3.12 Mean depression score

0.842 Level of depression

4 (33.3) 3 (25.0)

Normal

6 (50.0) 6 (50.0)

Mild

2 (16.7) 3 (25.0)

Moderate

0.001 14.92±5.79

7.42±2.00 Mean stress score

Level of stress

5 (41.7) 12 (100)

Normal

4 (33.3) 0 (0.0)

Mild

3 (25.0) 0 (0.0)

Moderate

Table 3: The effect of educational protocol on level of depression adjusted for baseline variables (R square = 0.164)

Item Unstandardized Coefficients Standardized Coefficients

t P value

Beta Std. Error Beta

(Constant) 8.023 33.737 0.238 0.816

group -0.903 2.217 -0.153 -0.407 0.690

gender -0.005 1.823 0.000 -0.003 0.998

age 0.239 0.507 0.542 0.471 0.645

BMI 0.169 1.038 0.075 0.163 0.873

education 0.189 2.526 0.041 0.075 0.942

shift -2.359 2.199 -0.363 -1.073 0.303

experience -0.585 0.790 -0.730 -0.741 0.472

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HTN 4.833 12.258 0.540 0.394 0.700

DM 2.654 4.429 0.179 0.599 0.559

IHD -7.487 13.138 -0.700 -0.570 0.578

Table 4: The effect of educational protocol on level of depression adjusted for baseline variables (R square = 0.564) Item Unstandardized Coefficients Standardized

Coefficients

t P value

Beta Std. Error Beta

(Constant) -41.868 46.109 -0.908 0.380

group 7.007 3.029 0.626 2.313 0.038

gender 0.156 2.491 0.013 0.062 0.951

age -0.011 0.693 -0.014 -0.017 0.987

BMI 0.870 1.418 0.204 0.613 0.550

education 1.849 3.452 0.212 0.536 0.601

shift 1.027 3.005 0.083 0.342 0.738

experience -0.036 1.079 -0.024 -0.033 0.974

HTN 5.105 16.753 0.302 0.305 0.765

DM 1.813 6.054 0.065 0.299 0.769

IHD 1.298 17.956 0.064 0.072 0.943

DISCUSSION

With the advent of COVID-19 epidemics, public fear has developed and is growing in human societies. This fear was especially acute among medical staff, especially in the ICU, which had to deal with such patients on a regular basis. The consequences of such intimidation among medical staff were a significant increase in the risk of the disease, as well as the resulting psychological consequences. Unfortunately, at the time of writing, some countries, including Iran, are struggling with the second wave of outbreaks, so the re-emergence of patients for hospitalization and intensive care services is quite predictable. On the other hand, burnout among physicians and nurses in inpatient centers of such patients is also quite noticeable. According to available statistics, a significant number of physicians and nurses have contracted the disease due to direct exposure to patients. During the first month of the epidemic, the disease killed more than a hundred doctors and nurses whole of the world (Abdi, 2020). About 10,000 members of the medical staff in Iran have contracted corona, and the death toll among them has been significant (Bhagavathula et al., 2020). Most of these casualties are directly related to the time of diagnostic and therapeutic interventions in these patients, such as patient resuscitation. We therefore tried to assess for the first time the clinical and psychological sequels of exposing the ICUs personnel to critically ill COVID-19 patients admitting to ICUs. In this regard, along with the outbreak of the disease and its-related manifestation among such personnel, we evaluated the depression and stress due to such exposure among personnel. In the next step, assuming that standard training on how to integrate this group of patients could have a potential impact on the clinical and psychological burden of the disease, the impact of such training curricula on the improvement of clinical and psychological status of personnel was also tested.In this regard, we planned a single educational session with the aim of training novel methods for intubation of COVID-19 patients

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for a group of personnel and compared the consequences with the control group without such programming. According to our findings, although such educations could not affect the prevalence rate of COVID-19 exposure or its-related clinical manifestations in exposed personnel, planning such programs could reduce the level of stress among personnel independent to their demographic characteristics, medical history, and job status. In other words, although education of standard principles of intubation in COVID-19 patients may not clinically support the personnel against the disease, by reducing stress during their activity, they improve their performance and ensure their quality of performance. This improvement in performance significantly reduces the likelihood of medical errors occurring, thus reducing the likelihood of exposure to the virus. The present study is the first of its type in assessing the effects of educational curricula on the risk for exposure of ICUs personnel to COVID-19 infection.

However, due to the lack of sample size, it was not possible to evaluate the preventive effects of such programs. Overall, it should be noted that among all aerosol-generating procedures in ICUs, endotracheal intubation is especially hazardous for all personnel involved. According to recent literatures, an absolute risk increase ranged 10% to 15% has been reported for transmission of SARS-CoV-1–associated infection to healthcare personnel performing intubation (Tran et al., 2012). Therefore, endotracheal intubation should also be viewed as a high-risk procedure for exposure to and transmission of COVID-19(Cook et al., 2020)and thus we also believe that providing more relevant training to the personnel involving intubation can minimize the risk of disease exposure.

CONCLUSION

It can be finally concluded that the scheduling and conducting training sessions and curricula related to intubation of COVID-19 patients can be very effective in reducing the level of personnel stress and therefore may reserve their occupational performance and minimized the likelihood of exposure to COVID-19. The design and implementation of such training sessions should be considered at the national level by the health managers of the countries.

FUNDING

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

AUTHORS’ CONTRIBUTIONS

All authors have done substantial contributions to conceptionand design. kGh collected, analysed and interpreted the data. MMF, NN and FS analysed and interpreted the data. MM was the main writer of the manuscript. MRA, AD, SSK, PD, RFR and SA made important intellectual contributions to the manuscript. All authors read and approved the final manuscript.

REFERENCES

1. ABDI, M. 2020. Coronavirus disease 2019 (COVID-19) outbreak in Iran: Actions and problems. Infection Control & Hospital Epidemiology, 41, 754-755.

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2. ASGHARI, A., SAED, F. & DIBAJNIA, P. 2008. Psychometric properties of the Depression Anxiety Stress Scales-21 (DASS-21) in a non-clinical Iranian sample. Int J Psychol, 2, 82-102.

3. BHAGAVATHULA, A. S., ALDHALEEI, W. A., RAHMANI, J., MAHABADI, M. A. & BANDARI, D.

K. 2020. Knowledge and Perceptions of COVID-19 Among Health Care Workers: Cross-Sectional Study.

JMIR Public Health and Surveillance, 6, e19160.

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6. GREENLAND, J. R., MICHELOW, M. D., WANG, L. & LONDON, M. J. 2020. COVID-19 InfectionImplications for Perioperative and Critical Care Physicians. Anesthesiology: The Journal of the American Society of Anesthesiologists, 132, 1346-1361.

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