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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_17 | Pages 7 - 7
24 Nov 2023
Martos MS Boadas L Trebse R Marais L Ruiz PS Vaznaisiene D Grenho A Ferrari MC Soriano A
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Aim

Two-stage replacement is a frequent procedure in patients with chronic PJI. However, results in the literature after this procedure differ, ranging from 54% to 100% of infection eradication. Positive cultures at reimplantation, when performing the second stage, are perceived as a risk factor for reinfection. This study aims to determine the impact of positive cultures during the second stage on the outcome of patients undergoing a 2-stage septic replacement and the impact of antibiotic holidays between the first and the second stage.

Method

We systematically searched four databases from inception to May 31, 2022. We combined terms related to PJI, joint replacement and culture results. We analysed the risk of failure when positive cultures at second stage and performed a subgroup analysis by antibiotic holiday period.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_10 | Pages 21 - 21
1 Oct 2022
Rubio AA Vizcarra LF Durán MV Johnson MB Oleaga MM González NH de Nova AA Oliete JB Robles JC Sayol RR Pastor JCM Alías A Boadas L Mahamud EM Martos MS
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Aim

To describe the impact of a failed DAIR in the further prognosis of the prosthesis after a PJI

Method

A retrospective multicentrically study was conducted, including 10 institutions from all over the country. PJI-confirmed patients who underwent DAIR clinical records were revised. Age, sex, relevant previous conditions, Charlson comorbidity score, previous surgery, PJI diagnosis and surgical and antibiotic treatment, from the index surgery onwards. DAIR failure was defined as the removal of the prosthesis and/or an antibiotic suppressive treatment.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_10 | Pages 75 - 75
1 Oct 2022
Boadas L Martos MS Ferrer M Soriano A Martínez JC
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Background

Acute soft tissue defects (wound dehiscence or necrosis) after a total knee arthroplasty (TKA) may be the cause of the devasting complication of deep infection. When a medium (4–6cm) defect is present, in patellar or infra-patellar localization, a medial hemi-gastrocnemius flap is widely used to cover it, because of its low morbidity and high functional results. Normally, this coverage is not associated to a debridement, antibiotics and implant retention surgery (DAIR).

When facing this situation, we should consider associating to the coverage treatment, like muscle flap, a DAIR procedure, in order to treat the possible acute infection, even when the diagnosis of infection is not clear. We could not find any studies comparing the benefice of this association in the same surgical act to isolated treatment of soft tissue defects.

Our hypothesis was that when a TKA surgical wound defect is present, the risk of an acute infection is elevated and the patient would benefit from a muscle flap with DAIR procedure and polyethylene exchange.

Methods

We performed a retrospective study to compare TKA infection clearance in patients with DAIR and flap in the same surgical act against those who received an isolated flap procedure for soft tissue coverage after an acute surgical wound defect. Patients were identified from a prospectively collated TKA database.

Between 2005 and 2021, 19 patients met our inclusion criteria. A medial hemi-gastrocnemius flap was performed in 15 patients (78%).

Healing or TKA infection clearance was defined as the presence of the original prosthesis after soft tissue coverage intervention, no need of DAIR after soft tissue coverage or no suppressive antibiotic treatment.


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_14 | Pages 33 - 33
1 Dec 2019
Martos MS Sigmund IK McNally M
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Aim

Calcaneal osteomyelitis is an uncommon and challenging condition. In this systemic review we aim to analyse the concomitant use of bone debridement and soft tissue management for patients diagnosed with calcaneal osteomyelitis

Method

A complete computerised and comprehensive literature search of Pubmed and Cochrane database was undertaken from January 2000 to October 2018. During the review, studies were screened for information about the surgical and antimicrobial treatment, the complications, the reinfection rate and the functional outcome of patients with calcaneal osteomyelitis.