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The Bone & Joint Journal
Vol. 106-B, Issue 3 | Pages 256 - 261
1 Mar 2024
Goodall R Borsky K Harrison CJ Welck M Malhotra K Rodrigues JN

Aims

The Manchester-Oxford Foot Questionnaire (MOxFQ) is an anatomically specific patient-reported outcome measure (PROM) currently used to assess a wide variety of foot and ankle pathology. It consists of 16 items across three subscales measuring distinct but related traits: walking/standing ability, pain, and social interaction. It is the most used foot and ankle PROM in the UK. Initial MOxFQ validation involved analysis of 100 individuals undergoing hallux valgus surgery. This project aimed to establish whether an individual’s response to the MOxFQ varies with anatomical region of disease (measurement invariance), and to explore structural validity of the factor structure (subscale items) of the MOxFQ.

Methods

This was a single-centre, prospective cohort study involving 6,637 patients (mean age 52 years (SD 17.79)) presenting with a wide range of foot and ankle pathologies between January 2013 and December 2021. To assess whether the MOxFQ responses vary by anatomical region of foot and ankle disease, we performed multigroup confirmatory factor analysis. To assess the structural validity of the subscale items, exploratory and confirmatory factor analyses were performed.


Bone & Joint Open
Vol. 2, Issue 4 | Pages 216 - 226
1 Apr 2021
Mangwani J Malhotra K Houchen-Wolloff L Mason L

Aims

The primary objective was to determine the incidence of COVID-19 infection and 30-day mortality in patients undergoing foot and ankle surgery during the global pandemic. Secondary objectives were to determine if there was a change in infection and complication profile with changes introduced in practice.

Methods

This UK-based multicentre retrospective national audit studied foot and ankle patients who underwent surgery between 13 January and 31 July 2020, examining time periods pre-UK national lockdown, during lockdown (23 March to 11 May 2020), and post-lockdown. All adult patients undergoing foot and ankle surgery in an operating theatre during the study period were included. A total of 43 centres in England, Scotland, Wales, and Northern Ireland participated. Variables recorded included demographic data, surgical data, comorbidity data, COVID-19 and mortality rates, complications, and infection rates.


The Bone & Joint Journal
Vol. 101-B, Issue 3 | Pages 348 - 352
1 Mar 2019
Patel S Malhotra K Cullen NP Singh D Goldberg AJ Welck MJ

Aims

Cone beam CT allows cross-sectional imaging of the tibiofibular syndesmosis while the patient bears weight. This may facilitate more accurate and reliable investigation of injuries to, and reconstruction of, the syndesmosis but normal ranges of measurements are required first. The purpose of this study was to establish: 1) the normal reference measurements of the syndesmosis; 2) if side-to-side variations exist in syndesmotic anatomy; 3) if age affects syndesmotic anatomy; and 4) if the syndesmotic anatomy differs between male and female patients in weight-bearing cone beam CT views.

Patients and Methods

A retrospective analysis was undertaken of 50 male and 50 female patients (200 feet) aged 18 years or more, who underwent bilateral, simultaneous imaging of their lower legs while standing in an upright, weight-bearing position in a pedCAT machine between June 2013 and July 2017. At the time of imaging, the mean age of male patients was 47.1 years (18 to 72) and the mean age of female patients was 57.8 years (18 to 83). We employed a previously described technique to obtain six lengths and one angle, as well as calculating three further measurements, to provide information on the relationship between the fibula and tibia with respect to translation and rotation.


The Bone & Joint Journal
Vol. 100-B, Issue 7 | Pages 945 - 952
1 Jul 2018
Malhotra K Chan O Cullen S Welck M Goldberg AJ Cullen N Singh D

Aims

Gastrocnemius tightness predisposes to musculoskeletal pathology and may require surgical treatment. However, it is not clear what proportion of patients with foot and ankle pathology have clinically significant gastrocnemius tightness. The aim of this study was to compare the prevalence and degree of gastrocnemius tightness in a control group of patients with a group of patients with foot and ankle pathology.

Patients and Methods

This prospective, case-matched, observational study compared gastrocnemius tightness, as assessed by the lunge test, in a control group and a group with foot and ankle pathology. Gastrocnemius tightness was calculated as the difference in dorsiflexion of the ankle with the knee extended and flexed.


The Bone & Joint Journal
Vol. 98-B, Issue 10 | Pages 1418 - 1424
1 Oct 2016
Salandy A Malhotra K Goldberg AJ Cullen N Singh D

Aims

Smoking is associated with post-operative complications but smokers often under-report the amount they smoke. Our objective was to determine whether a urine dipstick test could be used as a substitute for quantitative cotinine assays to determine smoking status in patients.

Patients and Methods

Between September 2013 and July 2014 we conducted a prospective cohort study in which 127 consecutive patients undergoing a planned foot and ankle arthrodesis or osteotomy were included. Patients self-reported their smoking status and were classified as: ‘never smoked’ (61 patients), ‘ex-smoker’ (46 patients), or ‘current smoker’ (20 patients). Urine samples were analysed with cotinine assays and cotinine dipstick tests.


The Bone & Joint Journal
Vol. 98-B, Issue 9 | Pages 1234 - 1239
1 Sep 2016
Yu HM Malhotra K Butler JS Patel A Sewell MD Li YZ Molloy S

Aims

Patients with multiple myeloma (MM) develop deposits in the spine which may lead to vertebral compression fractures (VCFs). Our aim was to establish which spinopelvic parameters are associated with the greatest disability in patients with spinal myeloma and VCFs.

Patients and Methods

We performed a retrospective cross-sectional review of 148 consecutive patients (87 male, 61 female) with spinal myeloma and analysed correlations between spinopelvic parameters and patient-reported outcome scores. The mean age of the patients was 65.5 years (37 to 91) and the mean number of vertebrae involved was 3.7 (1 to 15).


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 100 - 100
1 Jan 2013
Malhotra K Pai S Radcliffe G
Full Access

Aims

Compartment syndrome (CS) is a well-recognised, serious complication of long bone fractures. The association between CS and tibial shaft fractures is well documented in adult patients and in children with open or high velocity trauma. There is, however, little literature on the risk of developing CS in children with closed tibial fractures. In a number of units these children are routinely admitted for elevation and monitoring for CS.

We audited our experience of managing paediatric tibial fractures to ascertain whether it may be safe to discharge a sub-group of these children.

Methods

We audited all children up to the age of 12 years admitted to our hospital over a 5 year period. We reviewed radiographs and clinical notes to determine fracture pattern, modality of treatment, and complications.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_II | Pages 89 - 90
1 May 2011
Malhotra K Kim W
Full Access

Aims: Limb length discrepancy is a recognised complication of total hip arthroplasty (THA). Cementless THAs are increasingly being used, but in order to achieve rotational and axial stability larger implants may be required than originally templated for. This could potentially result in greater limb length discrepancy. Our objective was to determine if limb length discrepancy exists to a greater degree in cementless THA.

Methods: 166 consecutive patients undergoing elective THA between June 2007 and May 2008 were included in this retrospective study. Post-operative, digital radiographs (PACS, Centricity®) were examined for each of these patients to determine limb length. Limb length discrepancy was calculated as the difference between the perpendicular distance between the inter-teardrop line and the most prominent points on the lesser trochanter of each limb. Magnification was determined from the measured radiographic diameter of the prosthetic heads and their actual diameters.

Results: Of the 166 patients included in this study 128 had cementless THA and 38 had cemented. The average magnification was calculated as 30%. Limb length discrepancy was found post-operatively in 93% of cases. In 65% of patients the operated limb was longer (by 0 – 29 mm) and in 28% it was shorter (by 0 – 23 mm). The mean limb length discrepancy, corrected for magnification, was 6.21 mm for cemented THA and 6.22 mm for cementless THA. A student’s T-test demonstrated no significant difference in limb length discrepancy between these operations (p = 0.996).

Conclusions: The incidence of limb length discrepancy after THA is high. However, no significant differences were demonstrated between cemented and cementless THAs in our series. Accurate and careful pre-operative templating is important in THA to minimise the risk of clinically significant limb length discrepancy.