A Unique Case of Severe Anemia Secondary to Copper Deficiency in an Adult Patient.
Journal:
Cureus
Published Date:
Nov 26, 2018
Abstract
Anemia is a frequently encountered problem in the healthcare system. Common causes of anemia include blood loss, followed by impaired red blood cell production and red blood cell destruction. This case demonstrates the need for cognizance of the less frequent causes of anemia. A 27-year-old male with a history of traumatic brain injury and quadriplegia with chronic respiratory failure on home ventilator support presented to the emergency department with dyspnea and no bowel movements for three days. The patient received nutrition via percutaneous endoscopic gastostromy (PEG) tube. He was hypotensive with a mean arterial pressure (MAP) of 54 mm/Hg. There was no evidence of acute or ongoing blood loss. Initial lab data revealed hyperkalemia (K+ 6.1), severe anemia (Hb 1.5 g/dL), leukopenia (2.53 K/uL), neutropenia (ANC 700), and normal platelets. Peripheral smear revealed leukopenia with absolute neutropenia, marked anemia with anisopoikilocytosis with rare dacrocytes but no evidence of schistocytes. He responded to transfusion with improvement in hemoglobin from 1.5 to 9.1 within 24 hours. There was no evidence of hemolysis or vitamin deficiency. Ferritin and triglyceride levels were ordered to rule out hemophagocytic lymphohistiocytosis (HLH). Ferritin was elevated at 6506 ng/mL and triglycerides were 123 mg/dL. Soluble IL-2 receptor level was sent and found to be significantly elevated; however, this was felt to be more likely secondary to infection and inflammation, as the patient had no other clinical features of HLH, apart from cytopenias. Zinc supplementation was part of his wound care regimen. Copper levels were <10 ug/dL (normal: 70-140). Zinc supplements were stopped, and the patient was started on copper supplementation. At his three month follow-up clinic appointment, his anemia and leukopenia had resolved. Micronutrient deficiency is a potential cause of anemia, especially in a risk population and must be considered, as it is often easily correctible.
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