髓内棒
医学
抗生素
胫骨
开放性骨折
外科
清创术(牙科)
感染率
牙科
骨科手术
生物
微生物学
作者
Michael J. Steflik,B. Gage Griswold,Dhara V. Patel,James A. Blair,Jana M. Davis
标识
DOI:10.1016/j.injury.2022.08.005
摘要
To evaluate the cost-effectiveness of antibiotic cement-coated intramedullary nails (IMN) in the initial management of Gustilo-Anderson type Ⅲ (GAIII) open tibia fractures.A break-even equation was used to analyze the costs associated with antibiotic cement-coated IMN and postoperative infection following GAⅢ open tibia fractures. This equation produced a new infection rate, which defines what percentage the antibiotic coated IMN needs to decrease the initial infection rate for its prophylactic use to be cost-effective. The postoperative infection rate used for calculations was 30%, a value established in current literature for these fracture types (6-33%). The institutional costs associated with a single operative debridement and resultant inpatient stay and treatment were determined. A sensitivity analysis was conducted to demonstrate how various total costs of infection and different infection rates affected the break-even rate, the absolute risk reduction (ARR), and the number needed to treat (NNT).Financial review yielded an average institutional cost of treating a postoperative infection to be $13,282.85. This number was inclusive of all procedures during an inpatient stay. The added cost of the antibiotic coated implant to the hospital is $743.42. Utilizing the break-even formula with these costs and a 30% initial infection rate, antibiotic coated IMN was economically viable if it decreased infection rate by 0.056% (NNT = 1,785.714).This break-even analysis model suggests the initial use of an antibiotic coated IMN in the setting of GAⅢ open tibia fractures is cost-effective.
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