Abstract
This case involved a 70-year-old male who developed a consciousness disorder after staying outdoors for two days. He had previously been given rosuvastatin calcium to treat dyslipidemia. Although his wife had died several months ago, he did not exhibit any depressive or cognitive symptoms. He had lived alone since the death of his wife. His drug compliance was good, and he visited our hospital regularly. He had gone to a field on a hillside to grow vegetables, but fell over and rolled down the slope. His neighbors discovered him caught in the fence at the edge of the hill. He was transported to our hospital by ambulance. His laboratory data showed a creatinine phosphokinase level of 4,814 U/L and a urinary myoglobin level of 6,528 ng/mL. A fluid transfusion was performed as a treatment for rhabdomyolysis accompanied with dehydration. Renal atrophy was ruled out using computed tomography. The patient exhibited a creatinine level of 3.08 mg/dL, and hence, was diagnosed with acute renal failure. So, we performed hemodialysis and filtration for two days. On the fifth day, the patient’s serum creatinine level normalized. The patient’s rhabdomyolysis was considered to have been caused by the fact that he had remained outdoors without consuming water or food, while taking a HMG-CoA reductase inhibitor. Community support systems are required for elderly people that live alone.
