A24.1

Clinical Causes: Exposure to contaminated soil or water containing Burkholderia pseudomallei, especially in tropical and subtropical regions. Inhalation of airborne bacteria during environmental disturbances or natural disasters. Percutaneous inoculation, such as through cuts or abrasions exposed to contaminated soil or water. Less commonly, transmission through direct contact with infected animals or their environments.

Key Symptoms: High fever and chills Cough, often with sputum production, which may be bloody in cases of pneumonia Chest pain or discomfort, especially if pneumonia is present Muscle and joint pain Fatigue and weakness Skin abscesses or ulcers at site of inoculation Signs of systemic infection such as confusion, low blood pressure, or organ dysfunction in severe cases Rapid progression to septic shock in fulminant cases

Diagnosis Path: Diagnosis of acute and fulminating melioidosis involves a combination of clinical assessment and laboratory tests. Blood, sputum, or tissue samples are collected for microbiological culture to identify Burkholderia pseudomallei. Imaging studies, such as chest X-rays or CT scans, may reveal pneumonia or abscesses. Serological tests and molecular diagnostics like PCR can also aid in confirming the infection. Given its rapid progression, early detection is crucial for effective management.

Treatment Protocols: Treatment typically requires a combination of antibiotics administered over an extended period. Initial intensive therapy often involves intravenous antibiotics such as ceftazidime, meropenem, or imipenem, aimed at controlling the infection quickly. Following stabilization, a prolonged course of oral antibiotics, like trimethoprim-sulfamethoxazole, may be necessary to prevent relapse. Supportive care, including management of sepsis and respiratory support, is vital in severe cases. Due to the aggressive nature of fulminating melioidosis, hospitalization and close medical supervision are generally required.