Kidney Function Tests: What Your eGFR Results Mean - Internal Medicine

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Understanding kidney function tests, particularly the estimated Glomerular Filtration Rate (eGFR), is crucial for assessing renal health. Your recent health check results indicate that your eGFR is 92.79 ml/min, which, while it may seem slightly lower than the optimal range, is still within the normal limits for many individuals. The eGFR is a key indicator of kidney function, estimating how well your kidneys are filtering blood.
To clarify, eGFR values are categorized as follows:
- Normal: eGFR ≥ 90 ml/min
- Mildly decreased: eGFR 60-89 ml/min
- Moderate decrease: eGFR 30-59 ml/min
- Severe decrease: eGFR 15-29 ml/min
- Kidney failure: eGFR < 15 ml/min
Your eGFR of 92.79 ml/min suggests that your kidney function is still considered normal, although it is on the lower end of the normal spectrum. The classification of eGFR as "stage 1 chronic kidney disease" (CKD) typically applies when eGFR is persistently below 90 ml/min, along with other markers of kidney damage, such as proteinuria. Since your other tests, including urine protein, blood sugar, and kidney ultrasound, returned normal results, it is unlikely that you have CKD at this time.

Regarding your dietary concerns, it is essential to maintain a balanced diet that supports kidney health. While you enjoy consuming vegetables like spinach and okra, which are nutritious, they can be high in potassium. If your kidney function were to decline significantly, potassium levels could become a concern, as the kidneys may struggle to excrete excess potassium, leading to hyperkalemia. However, with your current eGFR, there is no immediate need to restrict potassium intake unless advised by a healthcare professional.

As for your intake of enzymes containing bitter melon peptides and brewer's yeast, these are generally considered safe for most individuals. Bitter melon is often touted for its potential benefits in managing blood sugar levels, while brewer's yeast is a source of B vitamins and protein. However, if you have any underlying health conditions or are on medications, it is wise to consult with your healthcare provider before continuing these supplements.

In summary, while your eGFR is slightly lower than average, it does not indicate significant kidney dysfunction at this time. Maintaining a healthy lifestyle, including a balanced diet and regular exercise, is crucial for kidney health. Monitoring your kidney function through regular check-ups is also advisable, especially if you have any risk factors for kidney disease, such as diabetes or hypertension. If you have further concerns about your kidney health or dietary choices, consider discussing them with a nephrologist or a registered dietitian who specializes in renal nutrition.