The earlier diabetic nephropathy is identified, the better the outcomes. Annual screening is recommended for all diabetic patients using:
Urine albumin-to-creatinine ratio (UACR) to detect microalbuminuria
Serum creatinine and estimated GFR to monitor kidney function
Patients with Type 1 diabetes should be screened 5 years after diagnosis, and those with Type 2 diabetes should be screened at diagnosis.
Keeping blood sugar levels within the target range reduces the risk of kidney damage:
Aim for an HbA1c < 7% for most patients (individualized targets may vary)
Use newer medications with renal protective effects such as SGLT2 inhibitors and GLP-1 receptor agonists
These medications not only improve glycemic control but also have cardiovascular and renal benefits.
Controlling hypertension is critical in slowing the progression of diabetic nephropathy:
Target BP: <130/80 mmHg (as per ADA and KDIGO guidelines)
First-line medications include ACE inhibitors or ARBs, which help reduce proteinuria and protect renal function
Avoid combining ACE inhibitors and ARBs due to increased risk of adverse effects
Low-sodium diet (<2,300 mg/day) to control blood pressure
Moderate protein intake, avoiding excessive restriction
Weight management, especially in patients with obesity
Regular physical activity, aiming for 30 minutes on most days
Avoidance of smoking and alcohol
Dietary counseling with a renal dietitian is often helpful in developing a sustainable and kidney-friendly eating plan.
Monitor UACR and eGFR at least annually (or more often if values are abnormal)
Watch for signs of disease progression: increasing albuminuria, declining GFR, or rising creatinine
Refer to a nephrologist if GFR < 30 mL/min/1.73 mΒ² or if there is rapid progression
Timely referral helps in planning for renal replacement therapy if needed and managing complications.
Educating patients on the importance of managing diabetes, monitoring kidney function, and adhering to medication is essential. Empowered patients are more likely to engage in self-care, monitor their health, and avoid triggers that accelerate kidney damage.
Encourage:
Blood pressure and glucose monitoring at home
Medication adherence
Awareness of signs of fluid overload, fatigue, or worsening kidney function
Managing diabetic nephropathy effectively involves more than just treating numbers β itβs about early detection, patient-centered care, and long-term lifestyle changes. With the right strategies, progression to kidney failure can be delayed or even prevented.
The key lies in teamwork: between the patient, their healthcare team, and specialists. When done right, the results can be life-changing.