Case Study 31: Chronic Renal Failure Robyn Schwartz V Case Study 31: Chronic Renal Failure Robyn Schwartz Past Medical history • Went to ER 3 years ago – – – – Coughing up blood for 6 hours Difficulty breathing Chills Chest pain • Recently had influenza A • Lab results – Elevated white blood cell count – Iron deficiency • Hepatosplenomegaly – Enlarging of liver and spleen • Crackles in the lung Past Medical history • ELISA test positive for GBM • Elevated BUN • Renal biopsy positive for IgG – Immunoglobin antibody • Goodpasture syndrome diagnosis GoodPasture syndrome • Rare • Attacks lungs and kidneys • Autoimmune disease – Anti-glomerular basement membrane antigens (GBM) attack body • Caused by immune hypersensitivity type II – When antibodies of the immune system attach to antigens on the body’s own cells – Antigens can be intrinsic or extrinsic – Causes a B cell response GoodPasture syndrome • Rare • Attacks lungs and kidneys • Autoimmune disease – Anti-glomerular basement membrane antigens (GBM) attack body • Caused by immune hypersensitivity type II – When antibodies of the immune system attach to antigens on the body’s own cells – Antigens can be intrinsic or extrinsic – Causes a B cell response Treatment • Put on methylpredisolone – Used to treat severe allergic reactions, blood disorders – Decreases immune response – corticosteroid hormone • Plasmapheresis – 4 plasma exchanges of 1 L each daily for 2 weeks – Cleans out blood • After 2 weeks symptoms resolved • Maintained on azathioprine – Used to prevent rejection in kidney transplants – Reduces the proliferation of immune cells – Lowers autoimmune response • Also trimethoprim and sulfamethoxazole – Antibiotics – Reduce bacterial growth Follow up 6 months later • Urinalysis – Low grade proteinuria and hematuria • Presence of protein and blood in urine – likely caused by the damage Goodpasture syndrome did to his kidneys • Serum creatinine levels increased over the past 3 years • Very close to end-stage renal disease • Creatinine clearance levels 15.5 mL/min – End stage is 15 mL/min • Suggested course – Dialysis – Kidney transplant Physical exam • Skin – Dry and flaky – Very pale • Lungs – Mild bibasilar crackles – Likely caused by fluid in lungs • Extremities – Mild edema of hands and feet • Neurological – – – – – Alert CNs II-XII intact DTRs 2+ throughout Muscle tone 5/5 Positive Chvostek sign • When the angle of the jaw is tapped the mouth and face will twitch • Often associated with overactive sodium channels Lab results Lab Results Lab results