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The Masquelet technique was originally described for the treatment of an infected non-union with an extensive bone defect where a staged protocol was needed to first eliminate an infection then secondarily bone graft a defect. Though this is a versatile technique, certain limitations/ complications must be recognized. The study was done between 2012 to 2019 at SRIHER university. 19 patients in whom the Masquelet technique has failed is taken into study. 17 male and two females, with a mean age of 31 years (range of 13 yrs. – 51 yrs.) with a mean follow up of 12 months. The 19 patients who presented with Pseudomonas aeruginosa infected non-union of the tibia and femur with bone defects underwent the Masquelet technique. All patients failed to form adequate induced membrane at the non-union site. Infected non-union with a bone defect is difficult to treat. Bone defects of 2cms can be treated by cancellous bone grafting. Defects more than 4-5cms will require specialized reconstructive procedures to prevent amputation. The two common techniques used are Ilizarov technique with bone transport and bone graft into an induced membrane as described by Masquelet. This study shows a high failure rate of the Masquelet technique with Pseudomonas infection. The most difficult issue faced by the surgeon in treating P. aeruginosa is its ability to develop resistance to multiple classes of antibiotics during the course of treating the patient. Masquelet technique is used extensively for the treatment of infective non-union. Pseudomonas secretes a slime layer that may lead to a weak or deficient formation of the induced membrane. And the elution of antibiotics may not be adequate for intramedullary osteomyelitis with pseudomonas growth. This limits the Masquelet technique in the management of infected non-union with pseudomonas infection.
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