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    Gestion de l’infection sur materiel d’osteosynthese dans la chirurgie du rachis lombaire : Notre experience au Togo.

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    Objectif : Rapporter notre expĂ©rience de management d’infections post-ostĂ©osynthèses de rachis lombaire Ă  partir deux observations cliniques.MĂ©thodologie : Il s’agit d’une analyse de nos deux premiers cas d’infections rachidiennes post opĂ©ratoires après deux annĂ©es de pratique neurochirurgicale post-rĂ©sidanat en clientèle privĂ©e. Nous insistons sur les modes de rĂ©vĂ©lation, la prise en charge et le rĂ©sultat.Cas cliniques : Sur une sĂ©rie de dix-huit (18) rachis dorso-lombaires ostĂ©osynthĂ©sĂ©s en deux ans, nous avons enregistrĂ© deux (02) cas d’infections postopĂ©ratoires. Les germes isolĂ©s Ă©taient EschĂ©richia coli multirĂ©sistant et Proteus vulgaris. Les deux patientes avaient respectivement 61 et 44 ans et nous rĂ©alisons pour chacune une laminectomie, une ostĂ©osynthèse avec implant en titane et une greffe osseuse pour des lĂ©sions dĂ©gĂ©nĂ©ratives. Elles avaient toutes deux eu des infiltrations lombaires sans amĂ©lioration de leur symptomatologie. L’infection du site opĂ©ratoire Ă©tait descellĂ©e respectivement Ă  J4 et J30. Les deux patientes Ă©taient apyrĂ©tiques. Pour la 1ère, le matĂ©riel d’ostĂ©osynthèse a Ă©tĂ© laissĂ© en place. Pour la 2ème, la persistance du syndrome infectieux biologique et le suintement chronique du site opĂ©ratoire ont motivĂ© l’ablation du matĂ©riel Ă  3 mois. Pour cette dernière la guĂ©rison clinique et biologique a Ă©tĂ© obtenue au bout de 6 mois L’évolution ultĂ©rieure est bonne chez les deux patients Ă  un recul respectif de 28 mois et 15 mois.Conclusion : En cas d’infection profonde descellĂ©e prĂ©cocement, une attitude conservatrice de l’implant est justifiĂ©e pour les rachis dĂ©gĂ©nĂ©ratifs ostĂ©osynthĂ©sĂ©s. A dĂ©faut, on tiendra compte notamment de la CRP et du risque d’instabilitĂ© rachidienne. Mots clĂ©s : Infection, MatĂ©riel d’ostĂ©osynthèse, Rachis lombaire, Togo. English Abstract Management of infections in lumbar spine surgery with instrumentation: Our experience at Togo.  Objective: Report our experience of infections management after lumbar spine synthesis about two recent cases.Methods: It is an analysis of our first post operative’s lumbar spine infections during two years of neurosurgical practice in private office when we came back to Togo after our residency. We insist on the modalities of detection, the caring and the results.Case report: Among the 18th synthesis on thoracic and lumbar spine during the twice years, we detect two cases of post operative’s infections. The agents responsible were Escherichia coli multi resistant and Proteus vulgaris. The two female patients were respectively 61 and 44 years old and we perform for each patient a laminectomy, synthesis with titanium implant and bone graft for degenerative diseases. Previously the patients had had lumbar infiltration of corticosteroid without releasing their pain and disabilities. The infection processes were detected the 4th and 30th days postoperative. There was no fever. For the first patient, synthesis implant stays in place. For the second patient, the implant was retired through a thirds’ surgery after 3 months, due to persistence of biologic sign of infection and sweating from the operative site. The clinical and biological healing for this patient, were obtained 6 months after the first surgery. Till today, the both patients had none symptoms at respectively 28- and 15-months outcome.Conclusion: When post-operative infection is detected earlier, a conservative attitude of the implant is justified for degenerative spine instrumented. Otherwise, the CRP and the risk of spinal instability will be taken into account. Keys words: Infection, Lumbar spine, Synthesis Implant, Tog
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