Previously reported antibiotic-impregnated cement strengths have been based on uniaxial and fatigue testing methodologies. These methods may not provide an accurate characterization of bone cement's true load-bearing capacity in total joint replacement (TJR). The present study utilized biaxial testing to report on the properties of antibiotic-impregnated cement. Test groups included: PMMA mixed with Vancomycin, Gentamicin, Tobramycin, or no antibiotic (control). In comparison to the control group, PMMA samples mixed with powdered gentamicin resulted in an increase in the mean elastic modulus by 6.50% versus a drop noted with powdered vancomycin and tobramycin by 2.65 and 1.37% respectively. The mean elastic modulus in samples containing liquid gentamicin dropped by 11.6%. This study supports the continued use of powdered antibiotics when clinically indicated, but suggest caution in the use of liquid gentamicin in TJR.
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http://dx.doi.org/10.1002/jbm.b.30771 | DOI Listing |
Antibiotics (Basel)
December 2024
Division of Orthopedic Surgery, Rambam Health Care Campus, Haifa 3109601, Israel.
Introduction: Despite the rising global awareness and improvement of socioeconomic and living standards, the prevalence of diabetic osteomyelitis (DOM) and its complications has been increasing rapidly. This study aims to investigate the long-term prognosis of DOM of the foot treated using antibiotic-impregnated cement spacer (ACS) and the contributing risk factors for reoperation.
Methods And Materials: We retrospectively reviewed the data of 55 diabetic patients with Meggitt-Wagner Grade IIB wounds diagnosed with osteomyelitis of the foot, treated in our institution with excessive debridement, excision of the infected tissue, and implantation of antibiotic-impregnated cement spacer fixed with a Kirschner wire.
Plast Reconstr Surg Glob Open
December 2024
Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, China.
A 57-year-old man presented with a tibial shaft fracture treated with tibial intramedullary nail fixation and plate and screw fixation for fibular fracture. Two weeks postoperatively, the patient developed skin sloughing with exposed bone and metal at the fracture site. Three weeks postoperatively, a physical examination revealed swelling of the left lateral malleolus and lower leg, a skin defect of approximately 3 × 5 cm at the lower third of the left tibia with an exposed fracture site and hardware in between the fracture fragments.
View Article and Find Full Text PDFZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
September 2024
Department of Orthopaedics, the First Affiliated Hospital, Fujian Medical University, Fuzhou Fujian, 350005, P. R. China.
Objective: To investigate the effectiveness of debridement-vacuum sealing drainage (VSD)-modified external fixation antibiotic-impregnated cement semi-open technique in treatment of chronic ulcer wounds.
Methods: Clinical data of 43 patients with chronic ulcer wounds who met the selection criteria and admitted between January 2019 and June 2023 were retrospectively analyzed. Among them, 23 cases were treated with debridement-VSD-modified external fixation antibiotic-impregnated cement semi-open technique (improved group), and 20 cases were treated with debridement-VSD-traditional antibiotic-impregnated cement technique (control group).
Cureus
August 2024
Orthopaedics, Dr. Dnyandeo Yashwantrao Patil Medical College, Hospital and Research Centre, Dr. Dnyandeo Yashwantrao Patil Vidyapeeth (Deemed to be University), Pune, IND.
The chronic and incapacitating condition of infected non-union of the long bones continues to be a challenging issue for surgeons in terms of efficient and economical treatment. A number of variables, such as open fractures, soft tissue or bone loss, infection following internal fixation, persistent osteomyelitis with pathologic fractures, and surgical debridement of infected bone, can result in infected non-unions. An infected non-union is typically treated in two stages.
View Article and Find Full Text PDFAntibiotics (Basel)
August 2024
Department of Orthopaedics and Trauma, Medical University of Graz, 8036 Graz, Austria.
(1) Background: There is an ongoing discussion on the elution efficacy of antibiotic-impregnated cements. Our experiments were intended to clarify if there are differences in the antibiotic elution of HPLC compared with inhibition zone testing using eluates or PMMA discs. (2) Materials and Methods: Two cement brands with different concentrations of the active ingredient were tested in antimicrobial Kirby-Bauer (disc diffusion) assays.
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