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SURGICAL WOUND INFECTION IN HIV POSITIVE PATIENTS



Abstract

Introduction and Aims: The rate of wound infection for HIV positive patients, range from 0–33% for closed fractures to 72–80% for compound fractures. For the outcome at our institute, I undertook to study the rate of surgical wound infection in HIV positive patients undergoing unreamed intramedullary fixation for acute fractures.

Method: A prospective single blind study involving 45 patients, who sustained acute fractures of the femur and/or tibia were treated with unreamed intramedullary nails at Durban’s Metropolitan hospitals during April 2002 to June 2003. Eighteen patients were HIV positive with a mean age of 29 years (20–47) compared to 28.5 years (15–56) amongst the HIV negative. There were six and three females in HIV positive and negative groups respectively. Motor vehicle accidents involving pedestrians and gunshot injuries accounted for the majority of the fractures. Although all of the patients were asymptomatic prior to injury, fourteen had associated injuries.

Results: The mean follow-up was 7.3 months (1–14). Following discharge from hospital, patients were seen at two and six weeks, three, six, nine, and 12 months post-operatively. Amongst patients with closed fractures, nine were HIV positive, seven with femur and two with tibia fractures and amongst the HIV negative group 12 patients had femur and seven tibia fractures. Three of the HIV positive patients had compound fracture tibia, each with a Gustilo type II, type IIIA and type IIIB fracture, while four HIV negative patients with, two each of grade II and grade IIIB fracture tibia. Amongst the six HIV positive patients who had compound fractures of the femur one had a grade I, two grade II, two grade IIIA and two grade IIIB fractures. Four HIV negative patients had compound femoral fractures, three with grade II and one grade IIIA. Two patients had wound infection, at one week a HIV positive male with a grade IIIA fracture of the femur and a HIV negative female at two weeks with a grade IIIB fracture of the tibia, resulting in an infection rate 5.5% and 3.7% for the HIV positive and HIV negative patients respectively. This difference was not statically significant (p=0.641).

Conclusion: The results show that when asymptomatic HIV positive patients are treated operatively for acute long bone fractures, be they closed or compound, the rate of surgical wound infection is comparable to those of HIV negative patients.

These abstracts were prepared by Editorial Secretary, George Sikorski. Correspondence should be addressed to Australian Orthopaedic Association, Ground Floor, The William Bland Centre, 229 Macquarie Street, Sydney, NSW 2000, Australia.

At least one of the authors is receiving or has received material benefits or support from a commercial source.