Osteomyelitis in children

Posted by e-Medical PPT Saturday, August 14, 2010
Osteomyelitis is an acute or chronic inflammatory process of the bone and its structures secondary to infection with pyogenic organisms.There are two forms of acute osteomyelitis - hematogenous osteomyelitis and direct or contiguous osteomyelitis.Hematogenous osteomyelitis is an infection caused by bacterial seeding from the blood. Acute hematogenous osteomyelitis primarily occurs in children. The most common site is the rapidly growing and highly vascular metaphysis of growing bones.Direct or contiguous inoculation osteomyelitis is caused by direct contact of the tissue and bacteria during trauma or surgery.The overall prevalence is 1 case per 5,000 children. Neonatal prevalence is approximately 1 case per 1,000.
Hematogenous osteomyelitis usually presents with a slow insidious progression of symptoms. Direct osteomyelitis generally is more localized, with prominent signs and symptoms.Hematogenous long-bone osteomyelitis characterized by Abrupt onset of high fever (fever is present in only 50% of neonates with osteomyelitis),Fatigue,Irritability,Malaise,Restriction of movement (pseudoparalysis of limb in neonates),Local edema, erythema, and tenderness.
As many as 30% of pediatric patients with long-bone osteomyelitis may develop deep venous thrombosis (DVT).

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