Lupus patients face anemia risk from inflammation, iron deficiency, and renal insufficiency

By: Mohan Garikiparithi | General Health | Tuesday, March 08, 2016 - 01:00 PM

Lupus patients face anemia risk from inflammation, iron deficiency, and renal insufficiencyLupus patients face anemia risk from inflammation, iron deficiency, and renal insufficiency. Anemia is a common occurrence in lupus patients, affecting nearly 50 percent of them. There are many reasons why lupus patients are at a greater risk for anemia, including inflammation, renal insufficiency, blood loss, dietary insufficiency, medications, and infection, just to name a few.

Renal insufficiency: Lupus patients might experience anemia due to renal insufficiency as there is a deficiency in the production of erythropoietin (a hormone that increases the rate of red blood cell production) in the kidneys.

Iron deficiency: Chronic blood loss from the gastrointestinal tract, usually due to medications or through excessive menstrual bleeding. Iron deficiency anemia is quite common among lupus patients and the general population, especially young teenage girls and women.

Red cell aplasia: This is a rare form of anemia usually caused by antibodies directed against either erythropoietin or bone marrow erythroblasts. It typically responds well to steroid treatments.

Anemia in lupus symptoms

Recognizing the symptoms is important in order to spot anemia in lupus and receive treatment. Symptoms of anemia in lupus are:

  • Fatigue
  • Weakness
  • Pale skin
  • Shortness of breath
  • Dizziness
  • Strange cravings, like dirt or ice
  • Tingling or crawling sensation in the legs
  • Tongue swelling or soreness
  • Cold hands and feet
  • Fast or irregular heartbeat
  • Brittle nails
  • Headaches

New treatment of anemia in lupus underway

Research by Dr. Westley Reeves and his team at University of Florida found a possible new treatment for anemia in lupus patients. The researchers explored how inflammation damages bone marrow, contributing to anemia. They tested bone marrow from lupus patients and found abnormally high levels of dying cells, as well as tumor necrosis factor (TNF) that can kill other cells.

The researchers conducted their study on mice to determine if TNF cells caused death to stem cells responsible for producing new blood cells. The researchers found the same levels of dead cells in the mice as they did in the patients, but mice that were deficient in TNF did not develop anemia or have bone marrow damage. The researchers concluded that cell death was then caused by TNF, which ultimately leads to anemia.

Dr. Reeves said, “Our study strongly suggests that TNF production is behind some of the bone marrow problems in lupus, including anemia. TNF inhibitors, which are used to treat rheumatoid arthritis, might therefore benefit certain lupus patients with persistent low red blood cell counts.”

Additional research is needed to determine effective medications to stop TNF.

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