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Adverse Outcomes of SARS-CoV-2 Infection

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Adverse Outcomes of SARS-CoV-2 Infection

Adverse Outcomes of SARS-CoV-2 Infection

Caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, coronavirus disease 2019 (COVID-19) is a major public health burden which can be devastating 1. As of 27th July 2022, there has been a total of 577,475,769 COVID-19 cases of which 6,407,989 have died. At this time, 27th July 2022, there are currently 23,803,240 infected patients of which 99.8% (23,761,474) of cases are in mild condition and 0.2% (41,766) of cases are serious or critical 2. The clinical severity of SARS-CoV-2 infection ranges from asymptotic to life-threatening illnesses 3. Today we will dive into some of the adverse outcomes of SARS-CoV-2 infection.

 

Acute Kidney Injury

Acute kidney injury (AKI) is a common complication of SARS-CoV-2 infection in patients with a history of diabetes, hyperlipidaemia and hypertension, and the incidence increased with disease severity 4, 5. COVID-19-related AKI can be diagnosed early by testing cystatin C levels, D-dimer levels and the albumin/creatinine ratio on hospital admission 5.

Cystatin C is an endogenous biomarker of renal impairment and is a superior marker of renal dysfunction compared to serum creatinine because it is sensitive to early and mild changes in renal function. Cystatin C levels increase earlier than creatinine in intensive care unit (ICU) patients, with a similar relationship identified in COVID-19-related AKI. This study also found that D-dimer levels are an early indicator of COVID-19-related AKI with D-dimer levels increasing with the severity of COVID-19 5.

 

Thrombosis

The mechanisms of lipoprotein(a) (Lp(a)) links its pathogenicity to the course of COVID-19. SARS-CoV-2 infection is characterised by a cytokine story (a sustained pro-inflammatory state), and by the frequent development of venous and arterial thrombotic episodes, a process called ‘thromboinflammation’, crucial elements in Lp(a) biology. Lp(a) is an acute phase reactant and its concentration levels are significantly associated with thrombotic risk. In this study, a 3-fold increased risk of venous thromboembolism (VTE) was found in COVID-19 patients in the highest tertile of Lp(a) compared to those in the lowest tertile 6.

 

Acute Respiratory Distress Syndrome

A cytoplasmic enzyme widely expressed in tissues, lactate dehydrogenase (LDH) is a useful marker of inflammation. LDH concentrations have been reported to increase during acute lung damage as a result of interstitial lung disease and severe respiratory failure. LDH is a biomarker most strongly associated with acute respiratory distress syndrome (ARDS) mortality in COVID-19 patients with underlying cardiovascular disease 7, 8.

 

Conclusion

In conclusion, whilst the world moves on from lockdowns and restrictions, COVID-19 continues to remain a public health burden. The clinical severity of SARS-CoV-2 can still be life-threatening for those with specific underlying health conditions. It is still vital that fast and accurate diagnostic testing strategies are implemented for effective risk stratification and monitoring of treatment and recovery of at-risk patients.

 

Biorex Diagnostics SARS-CoV-2 Product Portfolio

At Biorex, we offer a range of diagnostic testing solutions to aid in both the diagnosis of COVID-19 as well as the diagnosis of adverse outcomes.

Albumin COVID-19 Rapid Testing
Creatinine COVID-19 Total Antibody
Cystatin C
D-Dimer
Lactate Dehydrogenase (LDH)
Lipoprotein (a) (Lp(a))

 

For more information on the assays offered by Biorex Diagnostics, please do not hesitate to email us at info@biorexdiagnostics.com to speak to our Sales Team.

 

References

  1. R.J. Pathogenesis of COVID-19 from a cell biology perspective. European Respiratory Journal 2020; 55(4): . https://erj.ersjournals.com/content/55/4/2000607 (accessed 27 July 2022).
  2. COVID-19 CORONAVIRUS PANDEMIC. https://www.worldometers.info/coronavirus/ (accessed 27 July 2022).
  3. Ioannou GN, O’Hare AM, Berry K, Fan VS, Crothers K, Eastment MC. Trends Over Time in the Risk of Adverse Outcomes Among Patients With Severe Acute Respiratory Syndrome Coronavirus 2 Infection. Clinical Infectious Diseases 2021; 74(3): . https://academic.oup.com/cid/article/74/3/416/6273415 (accessed 28 July 2022).
  4. Sabaghian T, Kharazmi AB, Ansari A, Omidi F, Kazemi SN, Hajikhani B, et al. COVID-19 and Acute Kidney Injury: A Systematic Review. Frontiers in Medicine 2022; 9(705908): . https://www.frontiersin.org/articles/10.3389/fmed.2022.705908/full (accessed 28 July 2022).
  5. Yildirim C, Ozger HS, Yasar E, Tombul N, Tombul O, Tombul M, et al. Early predictors of acute kidney injury in COVID‐19 patients. Nephrology (Carlton) 2021; 26(6): . https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8014704/#:~:text=In%20COVID%E2%80%9019%20patients%20with,be%20monitored%20closely%20for%20AKI. (accessed 28 July 2022).
  6. Montagnana M, Lippi G. Lipoprotein(a) in COVID-19: Genetics and inflammation collide. Atherosclerosis 2022; 347(): . https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8916826/#:~:text=Moreover%2C%20COVID%2D19%20patients%20in,5.81%3B%20p%20%3C%200.001). (accessed 28 July 2022).
  7. Masumoto A, Masumoto T, Matsumoto S, Kuroda S, Kohsaka S, Tachikawa R, et al. Impact of serum lactate dehydrogenase on the short-term prognosis of COVID-19 with pre-existing cardiovascular diseases. Journal of Cardiology 2022; 79(4): . https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8712257/ (accessed 28 Jul 2022).
  8. Zhou Y, Ding N, Ding G, Peng W, Peng F, Peng C, et al. Serum lactate dehydrogenase level may predict acute respiratory distress syndrome of patients with fever infected by SARS-CoV-2. Annals of Translational Medicine 2020; 8(17): . https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7575930/#:~:text=Several%20studies%20suggested%20that%20serum,more%20likely%20to%20develop%20ARDS. (accessed 28 July 2022).