[Clinical observation of 6 severe COVID-19 patients treated with plasma exchange or tocilizumab]

Song Luo1, Lijuan Yang2, Chun Wang1

  • 1Department of Neurology, the First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, Anhui Province, China.

Insights

Plasma exchange significantly reduced inflammation and improved outcomes in severe COVID-19 patients. Tocilizumab showed no significant effect on inflammation or patient recovery.

Area of Science:

  • Critical Care Medicine
  • Infectious Diseases
  • Immunology

Background:

  • Severe coronavirus disease 2019 (COVID-19) can lead to excessive inflammatory responses.
  • Identifying effective treatments for severe COVID-19 is crucial.

Purpose of the Study:

  • To compare the clinical efficacy of plasma exchange and tocilizumab in managing severe COVID-19.
  • To assess the impact of these treatments on inflammatory markers.

Main Methods:

  • A comparative study involving six severe COVID-19 patients.
  • Three patients received plasma exchange, and three received tocilizumab.
  • Observed effects on inflammatory reactions and clinical parameters.

Main Results:

  • Plasma exchange led to significant reductions in C-reactive protein (CRP) and IL-6 levels.
  • Patients treated with plasma exchange showed improved lymphocyte counts and prothrombin time.
  • Tocilizumab did not significantly decrease inflammation markers or improve clinical outcomes.

Conclusions:

  • Plasma exchange appears to be a preferred treatment for severe COVID-19 patients experiencing hyperinflammation.
  • Further research is warranted to confirm these findings.
Abstract

Related Concept Videos

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
187
Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...
124
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
207
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
906
Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
13.9K
Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
656