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Acta ortopédica mexicana
Print version ISSN 2306-4102
Abstract
ALCANTARA-CORONA, A; CARIO-MENDEZ, G; AMAYA-ZEPEDA, RA and ALVAREZ-JIMENEZ, AV. Clinical and bacteriological profile in patients with knee tumor arthroplasty and early periprosthetic infection. Acta ortop. mex [online]. 2021, vol.35, n.1, pp.61-68. Epub Jan 17, 2022. ISSN 2306-4102.
Introduction:
At the national and international levels, there are few studies on early knee tumor periprosthetic infection. We present a review of patients operated by knee tumor arthroplasty, obtaining information on the clinical and bacteriological profile of early tumor periprosthetic infections.
Material and methods:
Observational, retrospective and descriptive study, review of patient records with knee tumor replacement, from 1 January 2013, to 31 December 2017 and minimum follow-up of 2 years.
Results:
35 patients with average age 32. Left knee 71.4%, 77.1% distal femur, 54.2% was osteosarcoma. Complications in 82.8% of patients, prosthetic retention 62.8%; periprosthetic infection accounts for 34.2% of early complications in 90% of cases. Osteosarcomas and GCT had early infection in equal proportion (44%). The most common comorbidity was overweight/obesity at 66%, smoking by 55%. 55% of infected patients received chemotherapy. 58% of the isolated bacteria were Staphylococcus sp. 83.3% of bacteria showed antibiotic resistance. 66% of infected patients required radical management.
Conclusions:
Early periprosthetic infection represents a devastating pathology in our institution. Prosthetic retention is achieved at 66%. In our unit the bacteriological profile is resistant.
Keywords : Tumor; musculoskeletal; infection; arthroplasty; bacteriological.