- Department of Neurosurgery, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.
- College of Nursing, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.
Department of Neurosurgery, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.
DOI:10.25259/SNI_675_2020Copyright: © 2020 Surgical Neurology International This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
How to cite this article: Nishant Goyal1, Srikant Kumar Swain1, Kanav Gupta1, Jitender Chaturvedi1, Rajnish Kumar Arora1, Suresh K. Sharma2. “Locked up inside home” – Head injury patterns during coronavirus disease of 2019 pandemic. 18-Nov-2020;11:395
How to cite this URL: Nishant Goyal1, Srikant Kumar Swain1, Kanav Gupta1, Jitender Chaturvedi1, Rajnish Kumar Arora1, Suresh K. Sharma2. “Locked up inside home” – Head injury patterns during coronavirus disease of 2019 pandemic. 18-Nov-2020;11:395. Available from: https://surgicalneurologyint.com/surgicalint-articles/10398/
Background: As citizens have been forced to stay home during coronavirus disease of 2019 (COVID-19) pandemic, the crisis created unique trends in the neurotrauma patterns with changes in mode, severity, and outcome of head injured patients.
Methods: Details of neurotrauma admissions under the neurosurgery department at our institute since the onset of COVID-19 pandemic in the country were collected retrospectively and compared to the same period last year in terms of demographic profile, mode of injury, GCS at admission, severity of head injury, radiological diagnosis, management (surgical/conservative), and outcome. The patients were studied according to which phase of pandemic they were admitted in – “lockdown” period (March 25 to May 31, 2020) or “unlock” period (June 1 to September 15, 2020).
Results: The number of head injuries decreased by 16.8% during the COVID-19 pandemic. Furthermore, during the lockdown period, the number of admissions was 2.7/week while it was 6.8/week during the “unlock” period. RTA was the mode of injury in 29.6% patients during the lockdown, while during the unlock period, it was 56.9% (P = 0.000). Mild and moderate head injuries decreased by 41% and severe head injuries increased by 156.25% during the COVID-19 pandemic (P = 0.000). The mortality among neurotrauma patients increased from 12.4% to 22.5% during the COVID-19 era (P = 0.009).
Conclusion: We observed a decline in the number of head injury admissions during the pandemic, especially during the lockdown. At the same time, there was increase in the severity of head injuries and associated injuries, resulting in significantly higher mortality in our patients during the ongoing COVID-19 pandemic.
Keywords: Coronavirus disease of 2019, Head injury, Lockdown, Motor vehicle accidents, Neurotrauma, Road traffic accidents, Unlock
The ongoing coronavirus disease of 2019 (COVID-19) pandemic has affected 213 countries and territories across the world with a total of 33,116,863 confirmed cases and there have been 999,540 COVID-19 related deaths at the time of writing this article on date (September 27, 2020).[
Our response to COVID-19 pandemic
The institute where the study was carried out is a 960-bedded hospital catering to the Himalayan state of Uttarakhand with a population of about 11 million. Boasting of the only helipad for air-ambulance services in the country,[
In our institute, neurosurgery department manages head injury at the trauma center. The “on-call” attending neurosurgeon along with a neurosurgery trainee attends to neurotrauma according to duty roster. In the pre-COVID-19 era, head injury patients were admitted either in the main neurosurgery ward/ICU or in the general trauma ward, where ten beds are dedicated for neurotrauma patients. During the recent division of hospital into COVID-19 and non-COVID-19 areas,[
Change in the work-flow of neurotrauma patients during the COVID-19 pandemic
On presentation to the emergency, all patients of head injury are additionally screened for COVID-19 related history and triaged on the basis of management plan. Candidates for surgery are further triaged based on whether it is an acute emergency or a semi-urgent one. Those patients who require a semi-urgent surgery and those who are to be conservatively managed are initially shifted to the dedicated COVID-19 ward/ICU where they undergo COVID-19 testing. General medical management of these patients is initiated here and these patients are shifted to the non-COVID-19 neurosurgical area if they test negative. Patients requiring semi-urgent surgery, who test negative for COVID-19 undergo surgery in the non-COVID-19 OR with standard precautions. Patients, who do require emergent surgery, are assumed to be COVID-19 positive until proven otherwise, and managed accordingly in the OR in the COVID-19 area. In accordance with this, a level-III personal protective equipment (PPE) is worn. This is to mitigate the possible risk of operating on asymptomatic COVID-19-positive patients, which is increasing with the increased community prevalence,[
The patients who test positive for COVID-19 are isolated for 14 days in the dedicated COVID-19 area (ward or ICU depending on their condition). These patients are tested again for COVID-19 on days 7 and 14. They are shifted to non-COVID-19 area only if they test negative after completing 14 days of isolation. All decisions of shifting such patients are taken in accordance with institute protocols as per suggestions of dedicated team of Community and Family Medicine at our institute.
Objective of the study
As a response to COVID-19 pandemic, hospitals and medical institutions across the world have undergone various changes such as restructuring of dedicated COVID-19 areas, doing widespread COVID-19 testing, rationing of material and human resources, and rescheduling of “non-emergent” surgeries.[
We conducted a retrospective observational study by collecting details of all patients of head injury who were admitted under the department of neurosurgery at our institute since the onset of COVID-19 pandemic in the country from patient’s records and discharge summaries. The patients were studied according to which phase of pandemic they were admitted in – “lockdown” period (March 25 to May 31, 2020) or “unlock” period (June 1 to September 15, 2020). Data on the number of confirmed COVID-19 cases in the state of Uttarakhand were collected from the official website of Ministry of Health and Family welfare.[
Details of head injury patients admitted during the same period last year, that is, March 25, 2019, to September 15, 2019, were also retrieved. The decision to include the patients operated during the same time of the year last year was made to remove any seasonal variation in the patient profile. We compared the demographic profile, mode of injury, GCS at admission, severity of head injury, radiological diagnosis, management (surgical/conservative), and outcome in these two groups. For patients with more than one finding on radiology, the finding considered most important was noted for categorization.
Statistical analysis was performed using IBM Statistical Package for the Social Sciences version 25.0, SPSS, Inc., Chicago, IL, USA. Continuous variables were expressed as mean and range while categorical variables were expressed as frequencies. Chi-square test was used to test for the association between groups of categorical variables.
Two hundred and eighty-four patients were included in the study, of which 129 were admitted during the COVID-19 related pandemic (from March 25 to September 15, 2020). These 129 patients (99 males and 30 females) had a mean age of 31.41 years (range 1–82 years). During the same period in 2019, there were 155 head injury admissions (116 males and 39 females) with mean age of 35.15 years (range 1–78 years) [
Comparison with COVID-19 cases in the state
In the state of Uttarakhand, there were 907 COVID-19 patients at the end of “lockdown” on May 31, 2020, while on September 15, 2020, this number had increased to 33,016. On classifying head injury admissions during the pandemic into “lockdown” period and “unlock” period, we observed that 27 patients were admitted during the 10 weeks’ “lockdown” period, while 102 patients were admitted during the 15 weeks of “unlock” period. Thus, the number of admissions per week increased from 2.7 during lockdown period to 6.8 during the ‘unlock’ period [
Frequency polygon depicting the number of head injury admissions per week in relation to the rising trend of coronavirus disease of 2019 cases in Uttarakhand during the pandemic. During the lockdown period, there were a total of 27 head injury admissions over 10 weeks, thus accounting for 2.7 admissions per week, while during the 15 weeks of “unlock” period, there were a total of 102 head injury admissions, accounting for 6.8 admissions per week. Thus, head injury admissions per week increased to 2.52 times during the “unlock” period.
Monthly frequency of neurotraumas admissions during the study period (March 25 to September 15, 2020) compared to the same duration in 2019. During the “lockdown” period (March 25 to May 31), there were only 38.8% hospital admissions of head injury patients as compared to the previous year, whereas in the “unlock”’ period (June 1 to September 15), this proportion increased to 117.0% compared to the same duration in the previous year. This change was found to be statistically significant (P < 0.0001).
Mode of injury
Overall, the most common mode of injury was road traffic accident (141; 49.65%), followed by fall from height (107; 37.67%) [
Radiological diagnosis and management
Overall, the most common radiological abnormality was the presence of contusions/acute subdural hemorrhage (SDH) in 161 patients (56.7%), followed by acute extradural hematoma (EDH) (50; 17.6%) and chronic SDH (24; 8.5%). Notably, acute EDH decreased from 35 patients (22.6%) in the preCOVID-19 era to 15 patients (11.6%) during the COVID-19 pandemic. Chronic SDH, which is different from other head injuries as it is a “semi-urgent” indication, decreased from 16 during the pre-COVID-19 era to 8 during the COVID-19 era. The difference in radiological diagnoses was statistically significant (p=0.016). During the COVID-19 pandemic, 36 patients (27.9%) underwent surgical intervention, compared to 36.1% (56 out of 155 patients) during the preCOVID-19 era and this difference was statistically significant (P = 0.038) [
Severity of injury and outcome
The mean GCS of the patients admitted during the ongoing COVID-19 pandemic was significantly worse (10.43 ± 4.04) than during the pre-COVID-19 era (12.32 ± 2.91) (P = 0.000). During the ongoing pandemic, of the 129 admitted patients, 59 were mild, 23 were moderate, and 47 were severe head injuries. During the pre-COVID-19 era, among 155 admissions, 86 were mild, 53 were moderate, and 16 were severe head injuries [
Vertical bar graph depicting the severity of head injury in admitted patients during the ongoing coronavirus disease of 2019 (COVID-19) pandemic compared to pre-COVID-19 era. Compared with pre-COVID-19 era, mild, and moderate cases decreased by 41% and severe cases increased by 193.75% during the COVID-19 pandemic. This change was found to be statistically significant (P = 0.000).
COVID-19 positive patients
Two patients (1.55%) tested positive for COVID-19 out of the 129 head injury patients admitted during the ongoing COVID-19 pandemic. One was an 80-year-old man with the left-sided chronic subdural hematoma. He tested negative on initial COVID-19 testing on admission and therefore, underwent surgery in the standard (non-COVID-19) OR. In the postoperative period, due to contact with a relative who later tested positive, he was again tested and was found to be positive this time. Therefore, he was isolated for 14 days and discharged only after two negative COVID-19 tests. Second patient was a 15-year-old boy, case of severe traumatic brain injury with right frontal contusion. He tested positive on initial screening COVID-19 testing and was therefore isolated in the COVID-19 ICU for 14 days. He was managed conservatively and discharged only after testing negative for COVID-19.[
In our previous articles, we have described the change in pattern of neurosurgical patients as a result of postponement/ cancellation of “non-emergent” cases.[
Although “emergent,” we observed significant changes in the patterns of head injury in our study. These changes may probably be attributed to the measures advocated by the authorities to prevent the spread of the pandemic. These changes include advising population at large to stay home as much as possible, follow social distancing, working from home to decrease contact between people, avoiding public transport, and defining containment zones. Furthermore, strict quarantine rules after travel also discouraged the general population against travelling. We hypothesized that these unique circumstances would have decreased the frequency of neurotrauma accordingly.
Our data show a decrease in the overall volume of head injury admissions during the ongoing pandemic compared to the same period in the pre-COVID-19 era. When further analyzed, we found that the number of admissions decreased significantly during the “lockdown” phase and has increased during the “unlock” phase compared to the past year. The decrease in number of head injury admissions can be attributed to decreased mobility during the “lockdown” and decreased traffic on the road, which is the most common mode of head injury in this part of the world.[
These findings are in accord with the quarterly data provided by states and UTs to the Supreme Court committee on road safety, which showed that there were 123,150 road crashes between April and June 2019, which reduced to 60,118 during the same period in this year. Between April and June this year, 20,732 lives were lost in road traffic accidents compared to 41,032 during the same period last year – a reduction of 49.5%.[
Similar patterns were observed in our study, which showed that during the “lockdown,” head injury cases due to road traffic accident decreased significantly. Moreover, we observed that during the ongoing COVID-19 pandemic, the number of mild and moderate head injuries have decreased and the number of severe head injury cases have increased significantly. The decrease in mild and moderate head injuries can be attributed to patients avoiding visiting hospitals for what they consider minor injuries. The significant decline in number of chronic SDH during the COVID-19 pandemic indicates that many patients avoided coming to the hospitals for these conditions, as most patients of chronic SDH are elderly and may not present with any acute symptoms. As COVID-19 is known to affect elderly population badly,[
The increased speeds of vehicles due to decreased traffic on the roads may also be responsible for increased severity of head injury as well as higher incidence of poly-trauma during the pandemic. These findings should act as a directive to the government authorities to ensure better compliance of speed limits on the road. This is especially important in hilly areas, like ours, where roads are narrow and curvaceous and over-speeding can be extra-dangerous. Now that the hospitals are somewhat better prepared for COVID-19 as compared to before the lockdown,[
In their study of head trauma admissions in New York city, Lara-Reyna et al. have described patterns of head injury patients, which are similar to ours. They reported decreased number of neurotrauma admissions during the early COVID-19 pandemic, which again started increasing as COVID-19 cases decreased in New York City. There were a few key differences. In their experience, overall, the most common mode of head injury was mechanical fall (40.8%) and MVA/transit-related injuries accounted for only 18.4%. This difference may be because of the difference in quality of roads and better implementation of traffic rules in USA compared to India. Road traffic accidents and violence-related trauma showed a statistically significant increase in frequency during COVID-19 in their experience.[
In our experience, the majority of the patients were managed conservatively in both time periods, with a statistically significant decrease in number of surgical cases during the COVID-19 period. This was similar to the experience of LaraReyna et al. Since May 2, 2020, we are testing every patient for COVID-19 by reverse transcriptase-polymerase chain reaction (RT-PCR) of oropharyngeal and nasopharyngeal swabs. In our experience, only two patients (1.55%) of head injury admitted during the pandemic tested positive for COVID-19. This is lower compared to the figures reported by Lara-Reyna et al. from New York, who reported positive COVID-19 test in three of their 49 neurotrauma patients (6.1%). This difference can be attributed to the much higher prevalence of COVID-19 in New York which had become the center of the pandemic when their study was conducted.
We have presented our institute protocols and modification in our work-flow for neurotrauma management in the hope that our fellow neurosurgeons/trauma-surgeons from across the world find it useful. Our experience shows that though there has been a decline in the neurotrauma volume during the ongoing pandemic, the severity of head injury and proportion of those with associated injuries have increased, thereby resulting in overall increased mortality at our center. As the number of COVID-19 cases is expected to increase further in the coming days, it will be a challenge to manage neurotrauma patients as resources and man-power will be stretched.
One of the biggest limitations of our study is the single center nature of the data, which may limit the generalizability of the results. The type of trauma may vary between institutions, with hospitals in the developed world reporting fall as the most common mode of injury. Similarly, assault may be more common in another area where violence is more prevalent. We only explored the results of neurotrauma and not the total number of traumas, which might better reflect the impact of decreased movement and traffic during the present situation. The true incidence of mild cases of neurotraumas may be underestimated because patients may have preferred to stay at home and avoid hospitals due to the fear of getting the infection. Furthermore, difficulty in reaching hospital and the triage system might have acted as a deterrent for patients of mild head injury. Even though patients of head injury may have multiple radiological findings, for keeping the data simple and legible, we have documented the predominant finding.
A temporary decrease was observed in the number of head injury admissions during the lockdown phase of the pandemic, especially due to decline in the road traffic accidents and implementation of social distancing policies in the country. At the same time, there has been an increase in the severity of head injuries and higher incidence of associated injuries, resulting in significantly higher mortality in our patients during the ongoing COVID-19 pandemic.
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