Research shows few diabetics with kidney disease are properly diagnosed

by Barbara Hewitt on January 6, 2015

Only 12% of type 2 diabetics with chronic kidney disease (CKD) are properly diagnosed as having the condition, according to a new study from the United States.

Diabetes is the leading cause of kidney failure in the US and more than 35% of diabetics over age 20 are estimated to have CKD.


Diabetes is the leading cause of kidney failure in the US

The study, conducted by the National Kidney Foundation (NKF), assessed a total of 9,339 patients with type 2 diabetes in 466 primary care practices across the nation. Of the 5,036 patients with CKD, only 12.1% of patients were diagnosed by their primary care practitioner.

As a patient’s CKD worsened, the proportion of patients correctly identified as having CKD increased by 1.1% at Stage One, 4.9% for Stage Two, 18% for Stage Three, 52.9% for Stage Four and 58.8% for Stage Five.

Clinicians were more successful in recognizing CKD in more advanced stages such as three and four, but still missed nearly half of patients with stage four CKD, while 209 (47%) of the 445 clinicians enrolled in the study did not identify any of their patients as having CKD.

No differences were noted in clinicians’ likelihood of identifying chronic kidney disease based on practice setting, number of years in practice or number of patients seen per week.

“This shows we need clearer and simpler messages for both primary care clinicians and patients regarding the importance of screening for chronic kidney disease in people with diabetes,” said Chester Fox, Professor of Family Medicine at the University at Buffalo.

“We want to use these data to draw attention to the simple fact that recognising kidney disease and performing simple steps may keep people off dialysis,” he added.

As a result of the findings, the National Kidney Foundation has announced two initiatives to tackle kidney disease in at-risk individuals. NKF will include ACR urine testing in its community screening programme. It is test that uses a simple dipstick to identify protein in the urine which is often the first sign of kidney damage.

NKF has also launched its Primary Care Initiative to help doctors adopt appropriate preventive measures into routine clinical practice. These include using specific diabetes drugs in those with reduced kidney function, avoiding non-steroidal anti-inflammatory drugs (NSAIDs) which can damage the kidneys in those at risk and using kidney-protective medications such as ACE inhibitors and Angiotensin Receptor Blockers (ARBs).

“We can increase the awareness, prevention and management of chronic kidney disease in people living with diabetes by identifying CKD in its earliest stages,” said Joseph Vassalotti, chief medical officer of the National Kidney Foundation.

“This research underscores the urgency of testing at-risk populations for kidney disease. We are missing important opportunities to prevent kidney failure, dialysis and cardiovascular events in those most at risk. Only by working closely with primary care clinicians to understand their workflow, can we enhance care for people with CKD,” he added.

The opinions expressed in this article do not necessarily reflect the views of the Community and should not be interpreted as medical advice. Please see your doctor before making any changes to your diabetes management plan.

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