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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_3 | Pages 3 - 3
23 Jan 2024
Lewandowski D Hussein A Matthew A Ahuja S
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Laminar flow theatres were first introduced in the United Kingdom in the 1960s and 1970s and have become standard in orthopaedic surgery involving implants. A study from 1982 showed a 50% reduction in infections with joint arthroplasties when compared to conventional theatres and laminar flow became standard in the following decades. Recent evidence including a meta-analysis from 2017 questions the effectiveness of these theatre systems. Most of the evidence for Laminar flow use is based on arthroplasty surgery. We aimed to determine the effect of using non-laminar flow theatres on our trauma patients.

A total of 1809 patients who had trauma surgery were identified from 2019 to 2021. 917 patients were operated on in a laminar theatre and 892 in a non-laminar theatre across two operating sites. We identified the surgical site infections as reported through our surveillance program within the first 90 days of infection. Patient co-morbidities were noted through patient records and procedure length was also noted.

Of the 1809 trauma patients identified between the years of 2019 and 2021, 917 patients had operations in a laminar flow theatre and 892 in a non-laminar theatre. Of the 892 operated in non-laminar flow theatres, 543 were operated in the University Hospital of Wales (UHW) and 349 at the University Hospital of Llandough (UHL). An analysis of soft tissue infections and hospital acquired infections post-operatively demonstrated 15/543 and 71/543 respectively for non-laminar UHW infections and 4/349 and 21/349 for non-laminar UHL infections. A look at laminar flow patients showed 25/917 with soft tissue infections and 86/917 hospital acquired infections. There was no difference between laminar and non-laminar flow theatre infection rates showing rates of 12.1% and 12.2% respectively.

In our trauma patients we noticed no significant advantage of using laminar flow theatres when compared to non-laminar flow theatres. This is in keeping with some recently published literature. Laminar flow theatres have been shown to decrease airborne pathogen counts under controlled conditions, but we conclude in the day to day environment of trauma theatres these conditions are either not met or that the theoretical advantage of laminar flow does not translate to a direct advantage of reduction of infections which may be achieved by standard prophylactic antibiotics.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_1 | Pages 5 - 5
1 Jan 2022
Mohammed R Shah P Durst A Mathai N Budu A Trivedi R Francis J Woodfield J Statham P Marjoram T Kaleel S Cumming D Sewell M Montgomery A Abdelaal A Jasani V Golash A Buddhiw S Rezajooi K Lee R Afolayan J Shafafy R Shah N Stringfellow T Ali C Oduoza U Balasubramanian S Pannu C Ahuja S
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Abstract

Aim

With resumption of elective spine surgery services following the first wave of COVID-19 pandemic, we conducted a multi-centre BASS collaborative study to examine the clinical outcomes of surgeries.

Methods

Prospective data was collected from eight spinal centres in the first month of operating following restoration of elective spine surgery following the first wave. Primary outcomes measures were the 30-day mortality rate and postoperative Covid-19 infection rate. Secondary outcomes analysed were the surgical, medical adverse events and length of inpatient stay.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_1 | Pages 25 - 25
1 Jan 2022
Boktor J Badurudeen A Alsayyad A Abdul W Ahuja S
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Abstract

Background

University Hospital of Wales (UHW) went live as a Major Trauma Centre (MTC) on the 14th September 2020. New guidelines have been set up by the Wales Trauma Network.

Aim

Prospective audit to see how many admissions, correct pathways were followed?


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_1 | Pages 2 - 2
1 Jan 2022
Boktor J Alshahwani A El-Bahi A Banerjee2 P Ahuja S
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Abstract

Background

Cauda equina syndrome (CES) is a rare serious condition that, if missed at initial presentation, can lead to serious disability. Early diagnosis is crucial for a favourable outcome. Few studies included urodynamic test and measurement of post-void residual urine (PVR) as an adjunct screening tool for acute CES before proceeding to MRI scan, yet there are differences in the cut-off point as a threshold volume to be considered as a red flag for doing MRI amongst these studies.

Aim

Meta-analysis and systematic review of literature that included PVR as a predictive tool in CES to identify the reliability of PVR and the optimal numerical value to be considered as red flag.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIV | Pages 30 - 30
1 Jul 2012
Blocker O Singh S Lau S Ahuja S
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The aim of the study was to highlight the absence of an important pitfall in the Advanced Trauma Life Support protocol in application of rigid collar to patients with potentially unstable cervical spine injury.

We present a case series of two patients with ankylosed cervical spines who developed neurological complications following application of rigid collar for cervical spine injuries as per the ATLS protocol.

This has been followed up with a survey of A&E and T&O doctors who regularly apply cervical collars for suspected unstable cervical spine injuries. The survey was conducted telephonically using a standard questionnaire. 75 doctors completed the questionnaire. A&E doctors = 42, T&O = 33. Junior grade = 38, middle grade = 37. Trauma management frontline experience >1yr = 50, <1yr = 25. Of the 75 respondents 68/75 (90.6%) would follow the ATLS protocol in applying rigid collar in potentially unstable cervical spine injuries. 58/75 (77.3%) would clinically assess the patient prior to applying collar. Only 43/75 (57.3%) thought the patients relevant past medical history would influence collar application.

Respondents were asked whether they were aware of any pitfalls to rigid collar application in suspected neck injuries. 34/75 (45.3%) stated that they were NOT aware of pitfalls. The lack of awareness was even higher 17/25 (68%) amongst doctors with less that 12 months frontline experience. When directly asked whether ankylosing spondylitis should be regarded as a pitfall then only 43/75 (57.3%) answered in the affirmative.

We would like to emphasise the disastrous consequences of applying a rigid collar in patients with ankylosed cervical spine. The survey demonstrates the lack of awareness (∼ 50%) amongst A&E and T&O doctors regarding pitfalls to collar application. We recommend the ATLS manual highlight a pitfall for application of rigid collars in patients with ankylosed spines and suspected cervical spine injuries.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XIII | Pages 9 - 9
1 Apr 2012
Pande R Dhir J Pyrovolou N Ahuja S
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Purpose

To evaluate Radiological changes in the lumbosacral spine after insertion of Wallis Ligament for Foraminal Stenosis.

Methods and Results

Thirty two Levels in Twenty Six patients were followed up with standardised radiographs after insertion of Wallis Ligaments for Foraminal Stenosis. Wallis ligaments as a top-off or those with prolapsed discs were not included. The Radiological parameters compared were Anterior and Posterior Disc height, Foraminal height and width, The inter-vertebral angle (IVA), Lumbar lordosis and Scoliosis if any. The presence of slips and their progression post-op was noted, as was bony lysis if any.

There were ten males with thirteen levels and sixteen females with nineteen levels in the study. Eighteen levels (56.25%) were L4/L5, ten (31.25%) were L5/S1 and 4 (12.5%)were L3/L4. The average age in the series was 59.6 years (Range 37 – 89 yrs). Average follow up was 9.5 months (Range 2 to 36). The Average increase in Anterior disc height was 1.89 mm (+/−1.39), the posterior disc height increased by an average 1.09 mm (+/−1.14). Foraminal height increased by an average 3.85 mm (+/− 2.72), while foraminal width increased by 2.14 mm (+/− 1.38). The IVA increased in 16 and reduced in 15 patients, with no change in 1. Lumbar Lordosis increased in 23 patients, with an average value of 2.3°. No patient exhibited progression in scoliosis and no lysis could be identified. There were three Grade I slips pre-op; none progressed.