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Antibiotic prophylaxis in lower limb amputation
Abstract:
We have prospectively studied the effect of 1-day prophylactic antibiotic therapy in lower-limb amputation for ischaemia. Twenty-seven patients were treated with Meticillin 1 g X 4 intravenously on the day of operation; 23 control patients did not receive any antibiotics. Eight patients in the control group had postoperative wound infections compared to none in the Meticillin group. Seven patients were re-amputated because of infection. Preoperatively, Staphylococcus aureus was isolated in 5/8 of the patients in the Meticillin and 6/8 in the control group. In the postoperatively infected stumps, S. aureus occurred in 6/8 of the patients in the control group, and one patient developed gas gangrene.
Insights
One-day prophylactic Meticillin therapy significantly reduced postoperative wound infections and re-amputations in lower-limb amputations for ischemia. This antibiotic approach prevented infections, including Staphylococcus aureus, and gas gangrene in surgical patients.
Area of Science:
- Infectious Diseases
- Surgical Infections
- Antibiotic Prophylaxis
Background:
- Lower-limb amputation for ischemia is associated with a high risk of postoperative wound infections.
- Staphylococcus aureus is a common pathogen in these infections.
- Effective prophylactic strategies are crucial to minimize complications.
Purpose of the Study:
- To evaluate the efficacy of a 1-day prophylactic Meticillin regimen in preventing surgical site infections following lower-limb amputation for ischemia.
- To compare infection rates and subsequent complications between patients receiving prophylactic antibiotics and a control group.
Main Methods:
- Prospective study involving 50 patients undergoing lower-limb amputation for ischemia.
- Treatment group (27 patients) received intravenous Meticillin (1g X 4) on the day of operation.
- Control group (23 patients) received no prophylactic antibiotics.
Main Results:
- None of the Meticillin group patients developed postoperative wound infections, compared to eight in the control group.
- Seven patients in the control group required re-amputation due to infection.
- Staphylococcus aureus was prevalent preoperatively and in postoperatively infected stumps in the control group; one control patient developed gas gangrene.
Conclusions:
- A 1-day prophylactic Meticillin therapy is highly effective in preventing surgical wound infections after lower-limb amputation for ischemia.
- This antibiotic strategy significantly reduces the need for re-amputation and associated complications.
- Prophylactic Meticillin should be considered as a standard of care in this patient population.