The Resistant Hypertension Program at Massachusetts General Hospital specializes in the evaluation, diagnosis and management of patients with resistant or difficult to treat hypertension.Request an appointment
To request an appointment call: 866-644-8910
The Center for Renal Education provides education about Chronic Kidney Disease and its management and individualized plans of care that include nutritional counseling, blood pressure management, medication review and supportive services.
The Polycystic Kidney Disease (PKD) Clinic at Massachusetts General Hospital specializes in the diagnosis and management of cystic kidney diseases.
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The Peritoneal Dialysis Unit provides training and long term management for the patient who selects peritoneal dialysis as home therapy. Staffed by experienced peritoneal dialysis nurses, manual and automated home peritoneal dialysis is available.
Renal Associates provides services in general nephrology including diabetes, water and electrolyte disorders, kidney disease in pregnancy, urinary tract infections, and primary and secondary diseases of the kidney.
The pediatric neuropsychology specialists at Massachusetts General Hospital’s Psychology Assessment Center provide neuropsychological assessments to aid in the diagnosis and treatment of neurological, medical, genetic and developmental disorders.
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The Kidney/Pancreas/Islet Transplant Programs at Massachusetts General Hospital provide new and unique treatment options for patients with end-stage renal disease (kidney failure) and/or type 1 diabetes.Request an appointment or refer a patient online Download our patient guide to transplantation (PDF)
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Immunoglobulin A (IgA) Nephropathy
What is IgA nephropathy?
IgA nephropathy is a chronic kidney disease. It progresses over 10 to 20 years, and can lead to end-stage renal disease. It is caused by deposits of the protein immunoglobulin A (IgA) inside the filters (glomeruli) in the kidney. These glomeruli normally filter waste and excess water from the blood and send them to the bladder as urine. However, the IgA protein prevents this filtering process. This may lead to the following:
- Blood and protein in the urine (hematuria and proteinuria)
- Swelling in the hands and feet (edema)
This is the most common cause of inflammation in the glomerulus. It is more common in Caucasian and Asian people. It is most often found in people 20 to 30 years of age.
What causes IgA nephropathy?The IgA protein is a normal part of the body's immune system. It is not known what causes IgA deposits in the glomeruli. In more than 10% of affected families, it is inherited. Some people who inherit the gene may not have any symptoms, but could pass the gene on. Men are affected more often than women.
What are the symptoms of IgA nephropathy?IgA nephropathy is a silent disease that may go unseen for years. But, symptoms most often start before the age of 40. The most common symptom is blood in the urine (hematuria). It takes many years to progress to the stage where it causes problems, such as swelling, recurrent upper respiratory infections, or intestinal disease. People with IgA nephropathy may also have flank pain and a low fever. Very rarely, blood pressure can become dangerously high.
How is IgA nephropathy diagnosed?
Your doctor will review your medical history and do a physical exam. Other tests may include:
- Blood pressure checks
- Cholesterol test
- Checking for protein in the urine
- Checking for protein in the blood
- Kidney biopsy (to identify IgA deposits). For this test, a sample of kidney tissue is removed and examined under a microscope.
What is the treatment for IgA nephropathy?
Your health care provider will figure out the best treatment based on:
- How old you are
- Your overall health and medical history
- How sick you are
- How well you can handle specific medications, procedures, or therapies
- How long the condition is expected to last
- Your opinion or preference
Treatment may include:
- Blood pressure medications such as ACE inhibitors. These medicines help lower blood pressure and protect the kidneys. They also help to prevent protein loss in the urine. Pregnant women should not take these medications.
- Corticosteroids. These reduce inflammation and scar tissue inside of the kidney.
- Prescription strength fish oil. This helps to reduce inflammation and damage within the kidney
- Cholesterol-lowering medicines such as statins. People with kidney damage are at a higher risk for stroke and heart attack. Controlling cholesterol can help reduce the risk for both.
- Diet changes to reduce fat and cholesterol. These can cause build-up of plaque in the kidney arteries and further damage to the kidneys.
- Stop smoking
- Exercise and maintaining a normal body weight
- High fluid intake
What are complications of IgA nephropathy?
- High blood pressure
- High cholesterol
When should I call my health care provider?If your symptoms get worse or you have new symptoms, let your health care provider know.
Key points about IgA nephropathy
- IgA nephropathy is a disease in which IgA protein builds up in and damages the filtering part of the kidney (glomerulus).
- The damage may cause few or no symptoms. There may be blood in the urine followed by a sore throat.
- The condition is diagnosed by blood and urine tests. Kidney biopsy may also be needed.
- Treatment is aimed at protecting the kidney from further damage by controlling blood pressure, cholesterol, and inflammation.
- Regular testing is done to check kidney function .
Next stepsTips to help you get the most from a visit to your health care provider:
- Before your visit, write down questions you want answered.
- Bring someone with you to help you ask questions and remember what your provider tells you.
- At the visit, write down the names of new medicines, treatments, or tests, and any new instructions your provider gives you.
- If you have a follow-up appointment, write down the date, time, and purpose for that visit.
- Know how you can contact your provider if you have questions.