Unveiling the enigma: A challenging case of protein C deficiency concealed by fever and epistaxis

Author:

Jauhar Iman1,Mubashir Muhammad1,Wahla Muhammad Shehryar2,Kumar Chand1,Arbani Naeemullah1ORCID,Sinaan Ali Syed Muhammad1ORCID

Affiliation:

1. Department of Medicine, Liaquat National Hospital and Medical College, Karachi, Pakistan

2. Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan

Abstract

Protein C deficiency is a rare genetic disorder caused by mutations in the protein C, inactivator of coagulation factors Va and VIIA gene, affecting approximately 1 in 200–500 individuals. It leads to a hypercoagulable state, increasing the risk of blood clots. Symptoms vary with age, ranging from life-threatening purpura fulminans in neonates to venous thromboembolism, particularly deep vein thrombosis, in adults. A recent case involved a 21-year-old South Asian male presenting with persistent fever, weight loss, epistaxis, abdominal tenderness, and acute pain in the right thigh and leg, raising suspicion of deep vein thrombosis. Tests confirmed deep vein thrombosis in multiple leg veins and a pulmonary embolism. The patient was diagnosed with protein C deficiency and received anticoagulant therapy, thrombolysis, and an inferior vena cava filter. Complications of protein C deficiency include deep vein thrombosis, pulmonary embolism, stroke, and ischemic colitis. Diagnosis involves immunoassays and genetic analysis. Treatment includes heparin followed by anticoagulation therapy with warfarin. In severe cases, an inferior vena cava filter may be implanted. The described case required extensive treatment due to multiple deep vein thrombosis and a pulmonary embolism, with lifelong anticoagulant therapy. Early diagnosis and appropriate management are crucial in young patients with a history of venous thromboembolism to prevent and manage complications associated with protein C deficiency.

Publisher

SAGE Publications

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