COVID-19 and the Kidney: From Epidemiology to Clinical Practice

Ida Gagliardi1, Gemma Patella1, Ashour Michael1

  • 1Renal Unit, Department of Health Sciences, Magna Graecia University, 88100 Catanzaro, Italy.

Insights

Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) significantly impacts kidney health, leading to acute kidney injury (AKI) in many patients. This review explores the renal aspects of COVID-19, including its effects on chronic kidney disease (CKD) patients.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Virology

Background:

  • Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, has led to a global pandemic with significant mortality.
  • A substantial percentage of deceased COVID-19 patients had pre-existing chronic kidney disease (CKD).
  • Acute kidney injury (AKI) is a frequent complication of SARS-CoV-2 infection, associated with poorer outcomes.

Purpose of the Study:

  • To review the renal manifestations of SARS-CoV-2 infection.
  • To investigate the role of SARS-CoV-2 in the development and progression of kidney damage.
  • To provide insights into the management of kidney-related complications in COVID-19 patients.

Main Methods:

  • Literature review focusing on renal aspects of SARS-CoV-2 infection.
  • Analysis of epidemiological data, etiology, and pathophysiology of kidney damage.
  • Examination of histopathology, clinical features, and management strategies.

Main Results:

  • SARS-CoV-2 infection presents significant renal challenges, including AKI.
  • Patients with pre-existing CKD are particularly vulnerable.
  • The virus contributes to the development and worsening of kidney damage.

Conclusions:

  • Understanding the renal impact of SARS-CoV-2 is crucial for patient management.
  • Further research is needed to fully elucidate the mechanisms of kidney injury.
  • Effective prevention and containment strategies are essential for mitigating renal complications.

Related Concept Videos

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...
187
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
606
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
420
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
678
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
246
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
373