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Bone & Joint Open
Vol. 2, Issue 10 | Pages 806 - 812
1 Oct 2021
Gerritsen M Khawar A Scheper H van der Wal R Schoones J de Boer M Nelissen R Pijls B

Aims

The aim of this meta-analysis is to assess the association between exchange of modular parts in debridement, antibiotics, and implant retention (DAIR) procedure and outcomes for hip and knee periprosthetic joint infection (PJI).

Methods

We conducted a systematic search on PubMed, Embase, Web of Science, and Cochrane library from inception until May 2021. Random effects meta-analyses and meta-regression was used to estimate, on a study level, the success rate of DAIR related to component exchange. Risk of bias was appraised using the (AQUILA) checklist.


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_9 | Pages 15 - 15
1 Sep 2019
de Zoete A Rubinstein S de Boer M van Tulder M Underwood M Hayden J Buffart L Ostelo R
Full Access

Purpose of the study and background

A 2011 Cochrane review concluded that spinal manipulative therapy (SMT) is no better than other interventions for reducing pain and improving function in chronic low back pain (CLBP). Using individual participant data (IPD) from trials has advantages, among others: a more precise estimate of the effect and the potential to identify moderators. Our objective was to assess the effect of SMT in adults with CLBP and to identify relevant moderators.

Methods

All trials from the 2011 Cochrane review were included in this IPD. We updated the search (April 2016) IPD from eligible studies was requested. Primary outcomes were pain intensity (VAS/NRS) and back-specific function (RMDQ). Risk of bias was assessed. For the treatment effect, an one-stage approach (mixed model technique, intention-to-treat principle) was used; a second-stage approach was conducted as confirmation. For the moderator analyses, one-stage approach was conducted for 19 variables.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_17 | Pages 5 - 5
1 Dec 2018
Scheper H van der Beek M van der Wal R Visser L de Boer M
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Aim

There is a theoretical advantage for immediate postoperative start of rifampicin after debridement, antibiotics and implant retention (DAIR). Anti-biofilm treatment may be mostly needed during the first postoperative days in order to prevent new biofilm formation. However, there are concerns with regard to development of rifampicin resistance if rifampicin is started too early. Rifampicin monotherapy will rapidly result in rifampicin resistance, but this may not occur when prescribed as part of combination antimicrobial therapy and after thorough surgical debridement. We hypothesized that in this setting the probability of development of rifampicin resistance is very low. We evaluated the frequency of development of rifampicin resistance in patients with acute staphylococcal PJI who were treated with DAIR followed by immediate postoperative start of rifampicin in combination with a betalactam or glycopeptide.

Method

During 2003–2014, all patients with an acute staphylococcal PJI were treated with five days of high-dose rifampicin (600mg bid) in combination with at least 6 weeks of betalactam or glycopeptide antibiotics, both started immediately postoperative after DAIR. Clinical outcome and development of rifampicin resistance in patients who failed were monitored. Susceptibility testing for rifampicin was performed by Vitek 2 (Biomerieux). Until 2014, Clinical and Laboratory Standards Institute (CLSI) criteria for rifampicin resistance were applied (S ≤ 1), from 2014 EUCAST criteria (S ≤ 0.06) were applied.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_17 | Pages 43 - 43
1 Dec 2018
Scheper H Derogee R van der W. R Mahdad R de Boer M Nelissen R Visser L
Full Access

Aim

Early discharge of patients after joint arthroplasty leaves patients responsible for monitoring their postoperative wound by themselves. This might result in a delayed presentation of postoperative complications. The use of a mobile woundcare app by patients after arthroplasty might result in (1) earlier report of complications, (2) an increase in patient satisfaction and (3) insight in the incidence and duration of postoperative wound leakage. Therefore, the ease of use and perceived usefulness of using a postoperative mobile woundcare app in patients after joint arthroplasty was investigated.

Method

A cohort study was conducted in 2017 in 2 Dutch Hospitals. Eligible cases were all consecutive patients that received an arthroplasty and who owned a smartphone. During the first 30 postoperative days, patients filled in daily reviews of their wound and took a photo of the wound. Based on the review, an underlying algorithm calculated daily a score that prompted a mobile alert if needed, which advised patients to contact the hospital. Patients filled in a form on day 30 and day 90 in order to document occurrence of any postoperative wound complication. On day 15 and 30, patients were requested to fill in a questionnaire evaluating the perceived usefulness and the ease of use of the App.