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Case Report
Assessment of Blood Glucose Responses in a Female National-Level Marathon Runner Using Continuous Glucose Monitoring during a Real-World Marathon Race
BioMed 2023, 3(3), 387-391; https://doi.org/10.3390/biomed3030031 - 27 Jul 2023
Viewed by 240
Abstract
Background: The effects of the use of continuous glucose monitoring (CGM) in elite endurance athletes are unclear. This case study reported the blood glucose (BG) levels of a female national-level marathon runner during a real-world marathon race. Methods: Heart rate and BG levels [...] Read more.
Background: The effects of the use of continuous glucose monitoring (CGM) in elite endurance athletes are unclear. This case study reported the blood glucose (BG) levels of a female national-level marathon runner during a real-world marathon race. Methods: Heart rate and BG levels were monitored throughout the race. Results: The runner completed the race in 2:46 h:min, which was an improvement from her previous personal record by just under one min. Her BG levels were stable from approximately 5–40 km of the race at a mean concentration of 7.13 mmol/L, with a standard deviation of 0.20 mmol/L and a coefficient of variation of 2.8%. Increases in BG levels and heart rate were observed 6 min after the race and during the 40–42.195 km section, respectively. Conclusions: The runner broke her own record and exhibited stable BG levels throughout the race, with the highest BG value detected immediately after the race. Considering that quantity, content, and timing of pre-race meals and supplementation during the race can affect BG levels, future studies should assess additional detailed parameters in more detail and monitor multiple races with the same elite endurance athletes to acquire more definitive evidence on CGM usefulness among elite endurance athletes. Full article
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Article
Changing Responses during the COVID-19 Pandemic: A Comparison of Psychological Wellbeing and Work-Related Quality of Life of UK Health and Social Care Workers
BioMed 2023, 3(3), 369-386; https://doi.org/10.3390/biomed3030030 - 26 Jul 2023
Viewed by 324
Abstract
Aim: to explore the psychological wellbeing and work-related quality of life amongst United Kingdom (UK) health and social care workers during the COVID-19 pandemic. Subject and methods: Health and social care professionals within nursing, midwifery, allied health professions, social care and social work [...] Read more.
Aim: to explore the psychological wellbeing and work-related quality of life amongst United Kingdom (UK) health and social care workers during the COVID-19 pandemic. Subject and methods: Health and social care professionals within nursing, midwifery, allied health professions, social care and social work occupations working in the UK during the pandemic were recruited. Repeated cross-sectional online surveys were conducted during six time periods of the pandemic (May–July 2020, November–February 2021, May–July 2021, November 2021–February 2022, May–July 2022 and November 2022–February 2023). Results: Over 14,000 participants completed the surveys during the data collection periods. The findings revealed that over the pandemic, psychological wellbeing and work-related quality of life scores significantly decreased. Conclusions: The overall psychological wellbeing and work-related quality of life of health and social care workers during the COVID-19 pandemic significantly declined. Further research is warranted on the lasting impact of the pandemic on this workforce. The health and social care workforce needs support to prevent further deterioration and to rebuild its wellbeing and resilience. Full article
Systematic Review
A Scoping Review on Coping Strategies and Quality of Life of Stroke Caregivers: Often Underestimated Variables in Stroke Recovery Process?
BioMed 2023, 3(3), 349-368; https://doi.org/10.3390/biomed3030029 - 18 Jul 2023
Viewed by 245
Abstract
The purpose of the present study was to review all available work published within the last decade focusing on coping strategies in stroke caregivers and their impact on quality of Life (QoL) and psycho-emotional status. A literature search of two databases (MEDLINE, Scopus) [...] Read more.
The purpose of the present study was to review all available work published within the last decade focusing on coping strategies in stroke caregivers and their impact on quality of Life (QoL) and psycho-emotional status. A literature search of two databases (MEDLINE, Scopus) was conducted to identify all relevant full-text English studies published between 2013–2023. Sixteen articles were traced and were finally included. Cognitive and behavioral coping strategies were beneficial for stroke caregivers’ and survivors’ QoL. The level of mutuality in the caregiver-survivor relationship was associated with the impact of depressive symptoms on caregivers’ QoL and the protective effect of mutuality on survivors’ QoL over time. The level and quality of social support were positively associated with QoL for stroke caregivers and survivors. Caregivers’ preparedness was a moderator for the impact of depression on both caregivers’ and survivors’ QoL. High levels of spirituality had a significant role in ameliorating the negative impact of depressive symptoms on the psychological and physical QoL of stroke caregivers and survivors. In conclusion, the study of coping strategies can be used as a psychological reserve in the process of stroke rehabilitation and actively contribute to improving the QoL of both caregivers and stroke survivors. Full article
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Review
The Extent and Impact of COVID-19 Infection among Family and Friends: A Scoping Review
BioMed 2023, 3(3), 329-348; https://doi.org/10.3390/biomed3030028 - 11 Jul 2023
Viewed by 319
Abstract
There exist a plethora of studies examining the psychological and physical impacts of COVID-19 on infected victims. Fewer studies have been published assessing the different types of impacts that an individual’s COVID-19 infection has on close friends and family members. This is the [...] Read more.
There exist a plethora of studies examining the psychological and physical impacts of COVID-19 on infected victims. Fewer studies have been published assessing the different types of impacts that an individual’s COVID-19 infection has on close friends and family members. This is the first scoping review to gauge the reported psychosocial issues and daily hassles that impact the relatives and friends of infected individuals. This study was conducted by inputting key terms/MeSH terms into selected internet databases to locate prospective studies. The frameworks of scoping reviews by Arksey et al. and the preferred reporting items for systematic review and meta-analyses (PRISMA) were utilized in the methodology for identifying and selecting the studies. After data extraction, 37 studies were deemed suitable for analysis. The findings generated from each study were placed into combined categories. A total of 16 combined categories were generated from the amalgamation of the findings. The results show that psychosocial feelings (e.g., anxiety, stress, and depression) were the category with the highest prevalence of grouped findings. The results from this study may serve as the impetus for future interventions targeting the alleviation of psychosocial feelings or day-to-day hassles associated with having a loved one inflicted with a severe illness. Full article
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Perspective
Polypharmacy and Medication Outcome Reporting Bias in Older Patients with COVID-19
BioMed 2023, 3(3), 320-328; https://doi.org/10.3390/biomed3030027 - 27 Jun 2023
Viewed by 543
Abstract
Polypharmacy, the use of multiple and potentially inappropriate medications, is an increasing problem among older adults. The global polypharmacy prevalence is 34.6% in patients with COVID-19, and polypharmacy in COVID-19 increases with age. The present paper proposes that polypharmacy in older adults with [...] Read more.
Polypharmacy, the use of multiple and potentially inappropriate medications, is an increasing problem among older adults. The global polypharmacy prevalence is 34.6% in patients with COVID-19, and polypharmacy in COVID-19 increases with age. The present paper proposes that polypharmacy in older adults with COVID-19 and other comorbid conditions is linked to the medication outcome reporting bias of randomized controlled trials. Outcome reporting bias can occur when treatment efficacy is reported as relative risk reductions, which overestimates medication benefits and exaggerates disease/illness risk reductions compared to unreported absolute risk reductions. The comorbidities common in patients with COVID-19 include high blood pressure, cardiovascular disease, dementia or cerebrovascular disease, and diabetes. Accordingly, the present paper reassesses the relative and absolute risk reductions in clinical trials from a small convenience sample of antihypertension, statin, anticoagulant, and antihyperglycemic medications. Examples demonstrate a wide gap between reported relative risk reductions and unreported absolute risk reductions in medication clinical trials. This paper concludes that medication clinical trial outcome reporting bias is an important upstream factor that contributes to biased medication benefits and poor clinical decision making, leading to polypharmacy in older adults with COVID-19 and other comorbid conditions. Public health campaigns are urgently needed to educate the public about the link between polypharmacy and medication outcome reporting bias. Full article
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Protocol
Protocol of the Long-COVID Patients Causal Diagnosis and Rehabilitation Randomized Feasibility Controlled Trial in Patients with Dysautonomia: The LoCoDiRe-Dys Study
BioMed 2023, 3(3), 309-319; https://doi.org/10.3390/biomed3030026 - 26 Jun 2023
Viewed by 375
Abstract
Dysautonomia in the post-COVID-19 condition appears to affect a significant number of patients, with reports raising the incidence up to 61%, having an overlap with myalgic encephalomyelitis/chronic fatigue syndrome. Quality of life and daily function are significantly impacted and conservative management interventions, despite [...] Read more.
Dysautonomia in the post-COVID-19 condition appears to affect a significant number of patients, with reports raising the incidence up to 61%, having an overlap with myalgic encephalomyelitis/chronic fatigue syndrome. Quality of life and daily function are significantly impacted and conservative management interventions, despite the lack of high-quality evidence to date, are needed to ameliorate disability. A total of 50 adults with a dysautonomia post-COVID-19 diagnosis based on the Ewing battery and a NASA lean test will be enrolled in a randomized single blinded controlled trial with a crossover design. Feasibility and lack of definite dysautonomia diagnosis will be the primary outcomes, while secondary outcomes will be health-related, clinical and cardiopulmonary exercise test indicators. Safety and acceptance will also be checked, primarily excluding participants with post-exertional malaise. The Long-COVID patients Causal Diagnosis and Rehabilitation study in patients with Dysautonomia (LoCoDiRE-Dys) intervention will consist of an educational module, breathing retraining and an individualized exercise intervention of biweekly sessions for two months with regular assessment of both groups. LoCoDiRe-Dys aims to be the first post-COVID-19 randomized study in people with dysautonomia offering a multimodal intervention both in diagnosis and management. The need for evidence in effectively supporting patients is eminent. Full article
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Review
Converging Paths: A Comprehensive Review of the Synergistic Approach between Complementary Medicines and Western Medicine in Addressing COVID-19 in 2020
BioMed 2023, 3(2), 282-308; https://doi.org/10.3390/biomed3020025 - 06 Jun 2023
Viewed by 529
Abstract
The rapid spread of the new coronavirus disease (COVID-19) caused by SARS-CoV-2 has become a global pandemic. Although specific vaccines are available and natural drugs are being researched, supportive care and specific treatments to alleviate symptoms and improve patient quality of life remain [...] Read more.
The rapid spread of the new coronavirus disease (COVID-19) caused by SARS-CoV-2 has become a global pandemic. Although specific vaccines are available and natural drugs are being researched, supportive care and specific treatments to alleviate symptoms and improve patient quality of life remain critical. Chinese medicine (CM) has been employed in China due to the similarities between the epidemiology, genomics, and pathogenesis of SARS-CoV-2 and SARS-CoV. Moreover, the integration of other traditional oriental medical systems into the broader framework of integrative medicine can offer a powerful approach to managing the disease. Additionally, it has been reported that integrated medicine has better effects and does not increase adverse drug reactions in the context of COVID-19. This article examines preventive measures, potential infection mechanisms, and immune responses in Western medicine (WM), as well as the pathophysiology based on principles of complementary medicine (CM). The convergence between WM and CM approaches, such as the importance of maintaining a strong immune system and promoting preventive care measures, is also addressed. Current treatment options, traditional therapies, and classical prescriptions based on empirical knowledge are also explored, with individual patient circumstances taken into account. An analysis of the potential benefits and challenges associated with the integration of complementary and Western medicine (WM) in the treatment of COVID-19 can provide valuable guidance, enrichment, and empowerment for future research endeavors. Full article
Article
Clinical Characteristics, Outcomes, and Risk Factors of Patients Hospitalized for COVID-19 across the Latest Pandemic Waves: Has Something Changed?
BioMed 2023, 3(2), 272-281; https://doi.org/10.3390/biomed3020024 - 30 May 2023
Viewed by 541
Abstract
Despite the availability of vaccines and antivirals and the biological evolution of SARS-CoV-2, the rate of hospitalizations and deaths from COVID-19 remains high in Italy. It is crucial to understand whether and how the clinical characteristics of patients hospitalized for COVID-19 have changed [...] Read more.
Despite the availability of vaccines and antivirals and the biological evolution of SARS-CoV-2, the rate of hospitalizations and deaths from COVID-19 remains high in Italy. It is crucial to understand whether and how the clinical characteristics of patients hospitalized for COVID-19 have changed over 2021–2022 and which risk factors are currently associated with adverse outcomes to develop targeted interventions. In this study, we present and compare the characteristics and outcomes of 310 patients with COVID-19 who were hospitalized between 1 August and 9 December 2021, when the Delta SARS-CoV-2 variant was prevalent (Group A), and between 3 January and 30 June 2022, when the Omicron variant was predominant (Group B). Using Survival Analysis, we estimated the cumulative 28-day hazard ratio (H.R.) of Intensive Care Unit (ICU) admission/death of patients in Group B vs. A. We built uni- and multivariate Cox regression models for the overall population and each group to identify risk factors for ICU admission/death among patient features. We found that Group B had a comparable risk of ICU admission/death (HR 1.60, 95% Confidence Interval, C.I. 1.00–2.58, p = 0.05) but a higher prevalence of elderly and co-morbid subjects than Group A. Non-invasive ventilation requirement was associated with adverse outcomes in both Group A (HR 21.03, 95% C.I. 5.34–82.80, p < 0.001) and Group B (HR 4.53, 95% C.I. 2.39–8.59, p < 0.001), as well as in the overall population (HR 3.88, 95% C.I. 2.49–6.06, p < 0.001). During the Omicron wave, elderly and co-morbid subjects had the highest risk of hospitalization and poor outcomes. Full article
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Opinion
Public Health Needs the Public Trust: A Pandemic Retrospective
BioMed 2023, 3(2), 256-271; https://doi.org/10.3390/biomed3020023 - 30 May 2023
Viewed by 2957
Abstract
The COVID crisis of the past three years has greatly impacted stakeholder relationships between scientists, health providers, policy makers, pharmaceutical industry employees, and the public. Lockdowns and restrictions of civil liberties strained an already fraught relationship between the public and policy makers, with [...] Read more.
The COVID crisis of the past three years has greatly impacted stakeholder relationships between scientists, health providers, policy makers, pharmaceutical industry employees, and the public. Lockdowns and restrictions of civil liberties strained an already fraught relationship between the public and policy makers, with scientists also seen as complicit in providing the justification for the abrogation of civil liberties. This was compounded by the suppression of open debate over contentious topics of public interest and a violation of core bioethical principles embodied in the Nuremberg Code. Overall, the policies chosen during the pandemic have had a corrosive impact on public trust, which is observable in surveys and consumer behaviour. While a loss of trust is difficult to remedy, the antidotes are accountability and transparency. This narrative review presents an overview of key issues that have motivated public distrust during the pandemic and ends with suggested remedies. Scientific norms and accountability must be restored in order to rebuild the vital relationship between scientists and the public they serve. Full article
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Review
Machine Learning and Artificial Intelligence for Pathogen Identification and Antibiotic Resistance Detection: Advancing Diagnostics for Urinary Tract Infections
BioMed 2023, 3(2), 246-255; https://doi.org/10.3390/biomed3020022 - 30 May 2023
Viewed by 890
Abstract
Machine learning is being increasingly applied in various aspects of medicine. The availability of large amounts of digital health records has enabled researchers to apply machine learning algorithms to tackle different medical problems. Urinary tract infections (UTIs) are common bacterial infections that are [...] Read more.
Machine learning is being increasingly applied in various aspects of medicine. The availability of large amounts of digital health records has enabled researchers to apply machine learning algorithms to tackle different medical problems. Urinary tract infections (UTIs) are common bacterial infections that are prone to being misdiagnosed and over-treated with antibiotics. For appropriate tailored antibiotic therapy, new diagnostic methods providing rapid pathogen identification and antibiotic susceptibility testing are urgently needed. In this review, we first discuss emerging technologies that have employed machine learning models to deliver speedy diagnostic results, particularly for urinary tract infections. We then explore how machine learning models are enabling sequence-based diagnostics by predicting antibiotic resistances from genome sequencing data. Finally, we examine different studies that apply machine learning to electronic health records to improve UTI diagnosis, to reduce antibiotic use and guide treatments without urine culture, and to reduce clinical workload and unnecessary hospital visits. Full article
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Article
Real-Life Advantages and Limits of Baricitinib for the Late Treatment of Adults Hospitalized with COVID-19
BioMed 2023, 3(2), 236-245; https://doi.org/10.3390/biomed3020021 - 08 May 2023
Viewed by 691
Abstract
Baricitinib, a reversible Janus-associated kinase-inhibitor, is approved for treating COVID-19, combined with Dexamethasone and, eventually, with Remdesivir (RDV). This retrospective cohort study assesses the real-life advantages and limits of Baricitinib in the current pandemic scenario. Data of all patients consecutively hospitalized with moderate/severe [...] Read more.
Baricitinib, a reversible Janus-associated kinase-inhibitor, is approved for treating COVID-19, combined with Dexamethasone and, eventually, with Remdesivir (RDV). This retrospective cohort study assesses the real-life advantages and limits of Baricitinib in the current pandemic scenario. Data of all patients consecutively hospitalized with moderate/severe COVID-19 between 1 October 2021 and 31 March 2022 were retrospectively collected and described according to the treatment received (Baricitinib, Baricitinib + RDV, none). We performed survival analyses to estimate the 21-day probability of Intensive Care Unit (ICU) admission, death, and composite. We built multivariate Cox regression models to identify ICU admission/death predictors among patients’ features. Of 111 subjects, 28 received Baricitinib, 21 received Baricitinib + RDV, and 62 could not be treated due to pre-existing conditions. Treated patients had a comparable risk of death (HR 0.50, 95% C.I. 0.20–1.26, p = 0.14) but remarkably lower risk of 21-day ICU admission (H.R., 0.10, 95% C.I., 0.01–0.86, p = 0.03), regardless of the type of treatment received. At multivariable analysis, older age was the only predictor of ICU admission/death (HR 1.14, 95% C.I. 1.03–1.26, p ≤ 0.01).Although effective, the high prevalence of elderly, co-morbid patients limits Baricitinib use in the current pandemic setting. Full article
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Article
Retrospective Comparison of Hospital Outcomes among Mechanically Ventilated COVID-19 Patients in ICU Who Received Methylprednisolone or Dexamethasone
BioMed 2023, 3(2), 225-235; https://doi.org/10.3390/biomed3020020 - 10 Apr 2023
Viewed by 748
Abstract
Background: A number of corticosteroids are commonly used to treat COVID-19 infection. The aim of this retrospective study was to compare various hospital outcomes among mechanically ventilated COVID-19 patients in an ICU, who were administered either dexamethasone or methylprednisolone. Methods: A total of [...] Read more.
Background: A number of corticosteroids are commonly used to treat COVID-19 infection. The aim of this retrospective study was to compare various hospital outcomes among mechanically ventilated COVID-19 patients in an ICU, who were administered either dexamethasone or methylprednisolone. Methods: A total of 121 mechanically ventilated COVID-19 patients from the ICU were included in the analysis, of which 43.8% (n = 53) received methylprednisolone, while 56.2% (n = 68) received dexamethasone. Results: In-hospital mortality (p = 0.381) and hospital length of stay (p = 0.307) were lower among the methylprednisolone group, compared to the dexamethasone group, though not significantly. Survival analysis showed that there were no significant differences between the methylprednisolone and dexamethasone groups (p = 0.978). A Cox proportional regression analysis showed that in-hospital mortality was lower among COVID-19 patients receiving methylprednisolone, compared to the dexamethasone group, though not significantly (hazard ratio (HR), 0.64; 95% CI: 0.35–3.17). Conclusion: Our study showed that in-hospital mortality was lower and hospital length of stay was higher among COVID-19 patients receiving methylprednisolone, compared to dexamethasone. These findings could have been due to the small sample size and limited scope of the study. Therefore, future large-scale studies should evaluate and confirm the findings in this study. Full article
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Communication
A Longitudinal Assessment of Substance Use Treatment during the COVID-19 Pandemic Using Staff and Service Data
BioMed 2023, 3(2), 217-224; https://doi.org/10.3390/biomed3020019 - 04 Apr 2023
Viewed by 519
Abstract
Introduction: Alcohol and other drug (AOD) treatment services were required to rapidly adapt delivery of care in response to the coronavirus (COVID-19) pandemic. This study examined longitudinal changes in the delivery of AOD counselling in Australia over 21 months (October 2019–July 2021) before [...] Read more.
Introduction: Alcohol and other drug (AOD) treatment services were required to rapidly adapt delivery of care in response to the coronavirus (COVID-19) pandemic. This study examined longitudinal changes in the delivery of AOD counselling in Australia over 21 months (October 2019–July 2021) before and throughout the pandemic, using both staff self-report and service data. Methods: Treatment staff from a large AOD service in Queensland, Australia provided self-report data on time spent delivering counselling via face-to-face, outreach (home visits), telephone, and virtual (video) formats. Two waves of online questionnaires were collected, with staff reporting on their time before the pandemic (retrospectively for October 2019–February 2020); during the first lockdown period (retrospectively for March–May 2020); when restrictions were initially eased (June–September 2020); and one year later (July 2021). Service records of the number of counselling episodes conducted by each treatment modality were extracted between October 2019 and July 2021, and analysed by month. Results: Staff (n = 117) and service records indicated an increase in telephone-delivered AOD counselling during the first lockdown, alongside an increase in total counselling records. Telephone-delivered counselling was still significantly higher one year later. Face-to-face counselling declined after the onset of the pandemic, but increased quickly when restrictions were eased. Outreach counselling decreased during the first lockdown. Virtual counselling remained negligible throughout. Conclusion: AOD treatment services quickly utilised telephone counselling options at the start of the pandemic, and demonstrated continued utilisation of this method one year later. Increased virtual (video) counselling was not observed and may be due to limited infrastructure, staff training, and clients lacking Internet connectivity or technology required. Full article
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Article
External Validation of the ImAgeS Risk Score for Mortality in Hospitalized Kidney Transplant Recipients with COVID-19: A Retrospective Observational Study
BioMed 2023, 3(2), 207-216; https://doi.org/10.3390/biomed3020018 - 04 Apr 2023
Viewed by 539
Abstract
Background: Timely recognition of high-risk individuals with novel Coronavirus disease (COVID-19) is important. Yet, validated risk scores for kidney transplant recipients with COVID-19 are lacking. The present study aimed to externally validate the novel ImAgeS risk score in this population. Methods: A retrospective [...] Read more.
Background: Timely recognition of high-risk individuals with novel Coronavirus disease (COVID-19) is important. Yet, validated risk scores for kidney transplant recipients with COVID-19 are lacking. The present study aimed to externally validate the novel ImAgeS risk score in this population. Methods: A retrospective analysis of 65 kidney transplant recipients with COVID-19 was conducted. A robust external validation of the novel ImAgeS risk score with respect to 30-day all-cause mortality was performed using regression analysis, discrimination and calibration methods. Results: An overall mortality rate during the study follow-up was 18.5% (N = 12). The ImAgeS risk score showed a statistically significant association with 30-day all-cause mortality (HR 1.04 95% CI 1.00–1.08, p =  0.040). This risk score demonstrated a modest, statistically significant discrimination of all-cause mortality (AUC of 0.679 (95% CI 0.519–0.840, p = 0.027). The calibration of the model was acceptable with a Hosmer-Lemeshow value of 3.74, Harrell’s C concordance index of 0.699 and Somers’ D of 0.397. Conclusions: The ImAgeS risk score demonstrated a significant association with 30-day all-cause mortality in kidney transplant recipients with COVID-19. The model showed modest discrimination and satisfactory calibration, confirming the findings from the computational study. Further studies are needed to determine the utility of the ImAgeS score in this high-risk population. Full article
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Interesting Images
Obliterative Endotheliitis Leading to Cystic Lung Necrosis in Severe COVID-19 during the First Wave of the Pandemic
BioMed 2023, 3(2), 202-206; https://doi.org/10.3390/biomed3020017 - 23 Mar 2023
Viewed by 791
Abstract
In the early months of the outbreak (2020–2022), COVID-19 was responsible for acute respiratory distress syndrome (ARDS) and an exceptional number of intensive care unit (ICU) admissions. Weaning difficulties from invasive mechanical ventilation (IMV) and many deaths related to COVID-19 were associated with [...] Read more.
In the early months of the outbreak (2020–2022), COVID-19 was responsible for acute respiratory distress syndrome (ARDS) and an exceptional number of intensive care unit (ICU) admissions. Weaning difficulties from invasive mechanical ventilation (IMV) and many deaths related to COVID-19 were associated with persistent pulmonary hyperinflammation leading to pulmonary fibrosis and sometimes, in the first wave of the pandemic and before the use of dexamethasone was introduced, pulmonary cystic necrosis. A 72-year-old man hospitalized with severe COVID-19 required IMV and died on day 31 of refractory ARDS. Postmortem examination of the lungs found obliterative endotheliitis proximal to pulmonary cystic necrosis. The presence of SARS-CoV-2 envelope and complement/lectin (MASP-2) deposits near the endotheliitis lesions suggested that the virus acted directly on vascular involvement by a complement-mediated mechanism. Together with classic features of ARDS (epithelial lesions and diffuse alveolar damage), endothelial involvement with endotheliitis was the hallmark of severe COVID-19. Corticosteroids and complement blockade were sometimes beneficial for treating severe COVID-19, perhaps by preventing microvascular damage. Full article
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