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The Bone & Joint Journal
Vol. 107-B, Issue 2 | Pages 261 - 267
1 Feb 2025
Theunissen WWES van der Steen MC Klerkx T Schonck C Besselaar AT van Douveren FQMP Tolk JJ

Aims

Worldwide controversy exists on the optimal treatment of stable dysplastic hips. The most common treatment options are abduction brace treatment and active surveillance. The primary aim of this study was to assess the effect of active surveillance in stable hip dysplasia, by investigating the percentage of Graf IIb stable dysplastic hips that recover spontaneously without abduction brace treatment. The second aim was to identify prognostic factors for spontaneous recovery of stable dysplastic hips.

Methods

A single-centre, prospective cohort study was conducted at the Máxima Medical Center between 1 March 2019 and 1 March 2023. Infants aged three to 4.5 months at the first outpatient clinic visit, diagnosed with Graf IIb hip dysplasia, and treated with active surveillance were included. Spontaneous recovery was defined as infants who had a normalized hip on ultrasound (α-angle ≥ 60°) after six weeks of active surveillance without receiving abduction brace treatment. Baseline infant characteristics and ultrasound measurements were used as potential predictor variables for spontaneous recovery in logistic regression analyses.


The Bone & Joint Journal
Vol. 102-B, Issue 10 | Pages 1331 - 1340
3 Oct 2020
Attard V Li CY Self A Mann DA Borthwick LA O’Connor P Deehan DJ Kalson NS

Aims

Stiffness is a common complication after total knee arthroplasty (TKA). Pathogenesis is not understood, treatment options are limited, and diagnosis is challenging. The aim of this study was to investigate if MRI can be used to visualize intra-articular scarring in patients with stiff, painful knee arthroplasties.

Methods

Well-functioning primary TKAs (n = 11), failed non-fibrotic TKAs (n = 5), and patients with a clinical diagnosis of fibrosis1 (n = 8) underwent an MRI scan with advanced metal suppression (Slice Encoding for Metal Artefact Correction, SEMAC) with gadolinium contrast. Fibrotic tissue (low intensity on T1 and T2, low-moderate post-contrast enhancement) was quantified (presence and tissue thickness) in six compartments: supra/infrapatella, medial/lateral gutters, and posterior medial/lateral.


The Bone & Joint Journal
Vol. 101-B, Issue 8 | Pages 984 - 994
1 Aug 2019
Rua T Malhotra B Vijayanathan S Hunter L Peacock J Shearer J Goh V McCrone P Gidwani S

Aims

The aim of the Scaphoid Magnetic Resonance Imaging in Trauma (SMaRT) trial was to evaluate the clinical and cost implications of using immediate MRI in the acute management of patients with a suspected fracture of the scaphoid with negative radiographs.

Patients and Methods

Patients who presented to the emergency department (ED) with a suspected fracture of the scaphoid and negative radiographs were randomized to a control group, who did not undergo further imaging in the ED, or an intervention group, who had an MRI of the wrist as an additional test during the initial ED attendance. Most participants were male (52% control, 61% intervention), with a mean age of 36.2 years (18 to 73) in the control group and 38.2 years (20 to 71) in the intervention group. The primary outcome was total cost impact at three months post-recruitment. Secondary outcomes included total costs at six months, the assessment of clinical findings, diagnostic accuracy, and the participants’ self-reported level of satisfaction. Differences in cost were estimated using generalized linear models with gamma errors.


The Bone & Joint Journal
Vol. 98-B, Issue 11 | Pages 1455 - 1462
1 Nov 2016
Matharu GS Berryman F Brash L Pynsent PB Dunlop DJ Treacy RBC

Aims

We investigated whether blood metal ion levels could effectively identify patients with bilateral Birmingham Hip Resurfacing (BHR) implants who have adverse reactions to metal debris (ARMD).

Patients and Methods

Metal ion levels in whole blood were measured in 185 patients with bilateral BHRs. Patients were divided into those with ARMD who either had undergone a revision for ARMD or had ARMD on imaging (n = 30), and those without ARMD (n = 155). Receiver operating characteristic analysis was used to determine the optimal thresholds of blood metal ion levels for identifying patients with ARMD.