Background: Common variable immunodeficiency (CVID) is the most common primary immunodeficiency in adults. In addition to renal complications of the disease, there may be an increased likelihood of renal dysfunction due to sucrose in immunoglobulin replacement therapies or other drugs used in treatment. In CVID patients, it is important to monitor patients for renal complications at routine intervals. We compared creatinine-based calculation methods for estimated glomerular filtration rate (eGFR) such as Modification of Diet in Renal Disease (MDRD), Cockcroft-Gault (CG), and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) with 24-hour urine creatinine clearance measurement. We aimed to investigate which calculation method was more reliable and consistent in this patient population.
Methods: The records of 14 patients who had clinical follow-up at our hospital were retrospectively reviewed. Patients’ eGFR values were measured by three different methods (CKD-EPI, MDRD , and CG formulas). The 24-hour urinary creatinine clearance of all patients and e-GFR calculated by the formula were compared.
Results: The eGFR calculated using the MDRD formula was 122.99±41.22 mL/min/1.73 m2, whereas the eGFR measured using the 24-hour urinary creatinine clearance was 99.64(83.35-156.58) mL/min/1.73 m2. Moreover, eGFR calculated by CKD-EPI formula was 113.83±26.46 mL/min/1.73 m2, while eGFR calculated by CG formula was 133.52±45.35 mL/min/1.73 m2. 24-hour urinary creatinine clearance was positively correlated with MDRD, CKD-EPI and CG formulas (r=0.726, p=0.003, r=0.634, p=0.015, r=0.806, p=0.001, respectively).
Conclusions: We found that all creatinine-based formulas used in clinical practice for eGFR measurement correlate with 24-hour urine creatinine clearance in patients with CVID. In addition, we have shown that eGFR calculated with the formula CKD-EPI is more closely related to 24-hour urinary creatinine clearance. Therefore, we believe that the eGFR measurement calculated with CKD-EPI is more useful for nephrological follow-up of patients with CVID. It should be noted that our study has some limitations due to the
small number of patients.
Common Variable Immune Deficiency Cockcroft-Gault Common Variable Immune Deficiency Chronic Kidney Disease Epidemiology Collaboration Cockcroft-Gault Glomerular Filtration Rate Modification of Diet in Renal Disease.
Primary Language | English |
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Subjects | Clinical Sciences |
Journal Section | ORIGINAL ARTICLE |
Authors | |
Publication Date | May 31, 2022 |
Submission Date | January 26, 2022 |
Published in Issue | Year 2022 Volume: 3 Issue: 2 |
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