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  4. eGFR Blood Test: Low Levels and Their Implications

eGFR Blood Test: Low Levels and Their Implications

eGFR Blood Test: Low Levels and Their Implications

Low estimated Glomerular Filtration Rate (eGFR) levels suggest reduced kidney function. eGFR measures how well your kidneys filter waste and excess fluids from the blood. Low levels typically indicate chronic kidney disease (CKD), which may progress over time if not managed. Causes include diabetes, hypertension, and kidney infections. Treatment options focus on managing the underlying cause, controlling blood pressure and blood sugar, dietary changes, and medication. Early detection through regular blood tests is key to preventing further kidney damage.

Low eGFR levels signal reduced kidney function, which may lead to chronic kidney disease (CKD) or even kidney failure if left untreated. Understanding the implications of low eGFR is critical for maintaining kidney health.

  1. Causes of Low eGFR Levels:
  • Chronic Kidney Disease (CKD): The most common cause of low eGFR, indicating that the kidneys are losing their ability to filter waste from the blood.
  • Diabetes: High blood sugar damages blood vessels in the kidneys, leading to lower eGFR levels.
  • Hypertension (High Blood Pressure): Elevated blood pressure strains the kidneys over time, causing damage and decreased filtration ability.
  • Kidney Infections and Inflammation: Conditions such as glomerulonephritis can impair kidney function and lower eGFR.
  • Advanced Age: Natural decline in kidney function with age can result in lower eGFR.
  1. Implications for Kidney Health:
  • Progressive Kidney Damage: If left untreated, a low eGFR can lead to end-stage kidney disease, requiring dialysis or a kidney transplant.
  • Other Organ Impact: Poor kidney function can lead to high blood pressure, anemia, bone disease, and cardiovascular complications.
  1. Treatment Options:
  • Managing Underlying Conditions: Controlling diabetes and hypertension can help slow the decline in kidney function.
  • Dietary Adjustments: Reducing salt, protein, and potassium intake can reduce the kidney’s workload.
  • Medications: ACE inhibitors or ARBs may be prescribed to protect the kidneys and lower blood pressure.

Recommended Tests:

  1. Creatinine Test: Measures the amount of creatinine in the blood, helping to assess kidney function alongside eGFR levels.
    Creatinine Test
  2. Albumin-Blood Test: Tests for albumin leakage into the blood or urine, which can indicate early kidney damage.
    Albumin-Blood Test

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