Complicated Malaria and Its Clinical Approach
Complicated malaria is a severe form of malaria infection (usually Plasmodium falciparum) associated with high morbidity and mortality. It requires early recognition, prompt treatment and supportive care to prevent death and complications.
Cause
- Usually caused by Plasmodium falciparum (>95% of severe malaria cases)
- P. vivax, P. ovale and P. malariae may rarely cause severe disease
Risk Factors
- Children < 5 years
- Pregnant women
- Non-immune travelers
- HIV infection
- Malnutrition
- Late presentation
- High parasite load
WHO Criteria for Complicated (Severe) Malaria
- Impaired consciousness
- Prostration
- Multiple convulsions
- Severe anemia
- Respiratory distress / Acidosis
- Hypoglycemia
- Renal impairment
- Jaundice
- Pulmonary edema / ARDS
- Shock
- Abnormal bleeding (DIC)
- Hyperparasitemia
Immediate Management of Complicated Malaria
- Admit to hospital (ICU if available)
- Start Parenteral Artesunate ASAP (First line drug)
- Treat hypoglycemia immediately (50 mL of 50% dextrose IV)
- Control seizures (Diazepam / Lorazepam)
- Manage fever (Paracetamol)
- Maintain airway and oxygenation
- Give IV fluids cautiously (avoid overload)
- Monitor vital signs, urine output, GCS, RBS, Hb, electrolytes
Prevention
- Use insecticide treated nets (ITN)
- Indoor residual spraying
- Eliminate mosquito breeding sites
- Chemoprophylaxis for travelers
- Early diagnosis and prompt treatment
- Health education