Low Glomerular Filtration Rate: Causes and Solutions - Urology

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A low glomerular filtration rate (GFR), such as your reported value of 79.24 mL/min, can be concerning as it indicates a decline in kidney function. The GFR is a crucial measure of how well your kidneys are filtering waste from your blood. A normal GFR typically ranges from 90 to 120 mL/min, and values below 60 mL/min may indicate chronic kidney disease (CKD).
Several factors can contribute to a decrease in GFR. One common cause is dietary habits, particularly a diet high in processed foods, sodium, and unhealthy fats, which can lead to hypertension and diabetes—two significant risk factors for kidney disease. If you frequently eat out, it may be beneficial to monitor your sodium and overall nutrient intake, as restaurant meals often contain higher levels of salt and unhealthy fats.

Other potential causes of a low GFR include dehydration, certain medications (especially non-steroidal anti-inflammatory drugs or NSAIDs), and underlying health conditions such as diabetes or hypertension. If you have any chronic conditions, managing them effectively is crucial for maintaining kidney health.
To address your concerns about whether your GFR can improve, the answer is yes, in many cases, it can be reversed or stabilized with appropriate lifestyle changes and medical management. Here are some strategies to consider:
1. Dietary Modifications: Focus on a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. Reducing sodium intake can help manage blood pressure, which is vital for kidney health. Consider consulting a nutritionist for personalized dietary advice.

2. Hydration: Ensure you are adequately hydrated, as dehydration can lead to a temporary decrease in GFR. Aim to drink enough water throughout the day, but consult your doctor if you have any restrictions on fluid intake.

3. Regular Exercise: Engaging in regular physical activity can help maintain a healthy weight, lower blood pressure, and improve overall cardiovascular health, all of which are beneficial for kidney function.

4. Monitoring Blood Pressure and Blood Sugar: If you have hypertension or diabetes, keeping these conditions under control is essential. Regular check-ups with your healthcare provider can help you manage these risks effectively.

5. Avoiding Harmful Substances: Limit the use of NSAIDs and other medications that can harm the kidneys. Always discuss any new medications with your healthcare provider, especially if you have existing kidney concerns.

6. Regular Check-Ups: Regular monitoring of kidney function through blood tests (including creatinine and GFR) can help track any changes in your kidney health. If your GFR continues to decline, further evaluation by a nephrologist may be necessary.

7. Supplements and Health Products: While some supplements claim to support kidney health, it is essential to approach these with caution. Always consult with your healthcare provider before starting any new supplements, as some may not be beneficial or could even be harmful.

In summary, while a GFR of 79.24 mL/min is a sign that your kidney function is not optimal, there are many proactive steps you can take to improve or stabilize your kidney health. By focusing on a healthy lifestyle, regular monitoring, and appropriate medical care, you can work towards maintaining your kidney function and overall health. If you have any concerns or notice further declines in your GFR, do not hesitate to reach out to your healthcare provider for guidance and support.