Coronavirus disease 2019 (COVID-19) stands out as the major pandemic that we have experienced in the last century. As it affects every social structure, it brought the importance of intensive care support once again to the agenda of healthcare system after causing severe acute respiratory syndrome. The precautions to be taken against this virus, where our knowledge is extremely small, intensive care units take an indispensable place in pandemic planning. In this review, we aimed to emphasize the crucial points regarding intensive care management of COVID-19 patients, which we have written not only for intensivists but also for all healthcare professionals.
The evalutionary conserved heat shock proteins are involved basically life protecting mechanisms against harmful extracellular effects such as primarily heat shock response. Normally, the expression of these proteins is increased for cellular adaptation to high temperature. This increase is also important in the etiology of breast cancer. Overexpression of heat shock proteins is associated with reduced disease-free survival in breast cancer. However, increased expression of these proteins is related to acquired resistance of traditional chemotherapeutic drugs in use in breast cancer treatment. In this review, we discuss the multiple roles of heatshock proteins in resistance and where we are to overcome this in clinical practice.
Purpose: To accommodate the unprecedented number of critically ill patients with pneumonia caused by coronavirus disease 2019 (COVID-19) expansion of the capacity of intensive care unit (ICU) to clinical areas not previously used for critical care was necessary. We describe the global burden of COVID-19 admissions and the clinical and organizational characteristics associated with outcomes in critically ill COVID-19 patients.Methods: Multicenter, international, point prevalence study, including adult patients with SARS-CoV-2 infection confirmed by polymerase chain reaction (PCR) and a diagnosis of COVID-19 admitted to ICU between February 15th and May 15th, 2020.Results: 4994 patients from 280 ICUs in 46 countries were included. Included ICUs increased their total capacity from 4931 to 7630 beds, deploying personnel from other areas. Overall, 1986 (39.8%) patients were admitted to surge capacity beds. Invasive ventilation at admission was present in 2325 (46.5%) patients and was required during ICU stay in 85.8% of patients. 60-day mortality was 33.9% (IQR across units: 20%-50%) and ICU mortality 32.7%. Older age, invasive mechanical ventilation, and acute kidney injury (AKI) were associated with increased mortality. These associations were also confirmed specifically in mechanically ventilated patients. Admission to surge capacity beds was not associated with mortality, even after controlling for other factors.
The disease course of children with coronavirus disease 2019 (COVID‐19) seems milder as compared with adults, however, actual reason of the pathogenesis still remains unclear. There is a growing interest on possible relationship between pathogenicity or disease severity and biomarkers including cytokines or chemokines. We wondered whether these biomarkers could be used for the prediction of the prognosis of COVID‐19 and improving our understanding on the variations between pediatric and adult cases with COVID‐19. The acute phase serum levels of 25 cytokines and chemokines in the serum samples from 60 COVID‐19 pediatric ( n = 30) and adult cases ( n = 30) including 20 severe or critically ill, 25 moderate and 15 mild patients and 30 healthy pediatric ( n = 15) and adult ( n = 15) volunteers were measured using commercially available fluorescent bead immunoassay and analyzed in combination with clinical data. Interferon gamma‐induced protein 10 (IP‐10) and macrophage inflammatory protein (MIP)−3β levels were significantly higher in patient cohort including pediatric and adult cases with COVID‐19 when compared with all healthy volunteers ( p ≤ .001 in each) and whereas IP‐10 levels were significantly higher in both pediatric and adult cases with severe disease course, MIP‐3β were significantly lower in healthy controls. Additionally, IP‐10 is an independent predictor for disease severity, particularly in children and interleukin‐6 seems a relatively good predictor for disease severity in adults. IP‐10 and MIP‐3β seem good research candidates to understand severity of COVID‐19 in both pediatric and adult population and to investigate possible pathophysiological mechanism of COVID‐19.
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