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Bone & Joint Open
Vol. 5, Issue 4 | Pages 312 - 316
17 Apr 2024
Ryan PJ Duckworth AD McEachan JE Jenkins PJ

Aims

The underlying natural history of suspected scaphoid fractures (SSFs) is unclear and assumed poor. There is an urgent requirement to develop the literature around SSFs to quantify the actual prevalence of intervention following SSF. Defining the risk of intervention following SSF may influence the need for widespread surveillance and screening of SSF injuries, and could influence medicolegal actions around missed scaphoid fractures.

Methods

Data on SSF were retrospectively gathered from virtual fracture clinics (VFCs) across a large Scottish Health Board over a four-year period, from 1 January 2018 to 31 December 2021. The Bluespier Electronic Patient Record System identified any surgical procedure being undertaken in relation to a scaphoid injury over the same time period. Isolating patients who underwent surgical intervention for SSF was performed by cross-referencing the unique patient Community Health Index number for patients who underwent these scaphoid procedures with those seen at VFCs for SSF over this four-year period.


Bone & Joint Open
Vol. 5, Issue 2 | Pages 117 - 122
9 Feb 2024
Chaturvedi A Russell H Farrugia M Roger M Putti A Jenkins PJ Feltbower S

Aims

Occult (clinical) injuries represent 15% of all scaphoid fractures, posing significant challenges to the clinician. MRI has been suggested as the gold standard for diagnosis, but remains expensive, time-consuming, and is in high demand. Conventional management with immobilization and serial radiography typically results in multiple follow-up attendances to clinic, radiation exposure, and delays return to work. Suboptimal management can result in significant disability and, frequently, litigation.

Methods

We present a service evaluation report following the introduction of a quality-improvement themed, streamlined, clinical scaphoid pathway. Patients are offered a removable wrist splint with verbal and written instructions to remove it two weeks following injury, for self-assessment. The persistence of pain is the patient’s guide to ‘opt-in’ and to self-refer for a follow-up appointment with a senior emergency physician. On confirmation of ongoing signs of clinical scaphoid injury, an urgent outpatient ‘fast’-wrist protocol MRI scan is ordered, with instructions to maintain wrist immobilization. Patients with positive scan results are referred for specialist orthopaedic assessment via a virtual fracture clinic.


Bone & Joint Research
Vol. 11, Issue 12 | Pages 890 - 892
1 Dec 2022
Farrow L Jenkins PJ Dunstan E Murray A Blyth MJG Simpson AHRW Clement ND

Cite this article: Bone Joint Res 2022;11(12):890–892.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_7 | Pages 2 - 2
1 May 2021
Hall AJ Clement ND Farrow L MacLullich AMJ Dall GF Scott CEH Jenkins PJ White TO Duckworth AD
Full Access

The aims were: (1) assess the influence of COVID-19 on mortality in hip fracture; (2) identify predictors of COVID-19 status, and (3) investigate whether social lockdown influenced the epidemiology of hip fracture.

A multicentre retrospective study was conducted of all patients presenting to six hospitals with hip fracture over a 46-day period (23 days pre-/post-lockdown). Demographics, residence, place of injury, presentation blood tests, Nottingham Hip Fracture Score, time to surgery, operation, ASA grade, anaesthetic, length of stay, COVID-19 status, and 30-day mortality were recorded.

Of 317 patients with hip fracture 27 (8.5%) had a positive COVID-19 test; only 7 (26%) had symptoms on admission. COVID-19-positive patients had significantly lower 30-day survival compared to those without COVID-19 (67% versus 92%, p<0.001). COVID-19 was independently associated with increased 30-day mortality adjusting for: (1) age, sex, residence (HR 2.93, p=0.008); (2) Nottingham Hip Fracture Score (HR 3.52, p=0.001), and (3) ASA (HR 3.45, p=0.004). Platelet count predicted subsequent COVID-19 status; a value <217 ×109/L was 68% specific and sensitive (95% CI 58 to 77, p=0.002). A similar number of patients presented with hip fracture pre-lockdown (n=160) and post-lockdown (n=157); there was no significant difference in demographics, place of injury, Nottingham Hip Fracture Score, time to surgery, ASA, or management.

COVID-19 was independently associated with an increased 30-day mortality in hip fracture. Most patients with COVID-19 lacked suggestive symptoms at presentation. Platelet count was an indicator of risk of COVID-19 infection. These findings have urgent implications for the delivery of hip fracture services.


Bone & Joint Research
Vol. 5, Issue 2 | Pages 33 - 36
1 Feb 2016
Jenkins PJ Morton A Anderson G Van Der Meer RB Rymaszewski LA

Objectives

“Virtual fracture clinics” have been reported as a safe and effective alternative to the traditional fracture clinic. Robust protocols are used to identify cases that do not require further review, with the remainder triaged to the most appropriate subspecialist at the optimum time for review. The objective of this study was to perform a “top-down” analysis of the cost effectiveness of this virtual fracture clinic pathway.

Methods

National Health Service financial returns relating to our institution were examined for the time period 2009 to 2014 which spanned the service redesign.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_5 | Pages 8 - 8
1 Feb 2013
Jenkins PJ Clement N Hamilton D Patton J Simpson H Howie C
Full Access

The aim was to perform a cost-utility analysis of total joint replacement in the current environment.

Arthritis is a disabling condition that leads to long-term deterioration in quality of life. Total joint replacement, despite being one of the greatest advances in medicine in the modern era, has come under recent scrutiny. The National Health Service (NHS) has competing demands and resource allocation is challenging in times of economic restraint.

Patients undergoing total hip (n=348) and knee arthroplasty (n=323), from January to July 2010, were entered into a prospective arthroplasty database. A health utility score was derived from the Euroqol (EQ-5D) score preoperatively, and at one year, and was combined with individual life expectancy to derive the Quality-Adujusted-Life-Years (QALYs) gained. Predicted need for revision surgery was Incorporated in the model. The 2011–12 Scottish Tariff was used. Two-way analysis of variance was used to compare QALYs gained between procedures, while controlling for baseline differences.

The number of QALYs gained was higher in THR versus TKR (6.53 vs 4.04 years, p<0.001). The cost per QALY for THR was £1371 (95% CI £1194 to £1614) compared with £2101 (£1762 to £2620) for TKR. Predictors of an increase in QALYs gained were poorer health prior to surgery (p<0.001) and younger age (p<0.001). General health (EQ-5D VAS) showed greater improvement in THR versus TKR (p<0.001).

This study provides up to date cost-effectiveness data for total joint replacement. THR and TKR are both extremely clinically and cost-effective interventions, with costs that compare favourably with other medical interventions (e.g. laparoscopic hernia repair vs open: £55,548 per QALY; CHD primary prevention with statins: £21,000).


Bone & Joint Research
Vol. 1, Issue 7 | Pages 152 - 157
1 Jul 2012
Hamilton DF Gatherer D Jenkins PJ Maclean JGB Hutchison JD Nutton RW Simpson AHRW

Objectives

To evaluate the neck strength of school-aged rugby players, and to define the relationship with proxy physical measures with a view to predicting neck strength.

Methods

Cross-sectional cohort study involving 382 rugby playing schoolchildren at three Scottish schools (all male, aged between 12 and 18 years). Outcome measures included maximal isometric neck extension, weight, height, grip strength, cervical range of movement and neck circumference.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_V | Pages 3 - 3
1 Mar 2012
Jenkins PJ Teoh K Simpson PM Dave J Simpson A Breusch S
Full Access

Clostridium difficile is associated with a range of gastrointestinal disorders ranging from diarrhoea to toxic megacolon. Alteration of the normal gut flora by antibiotics is a key predisposing factor. Although antibiotic prophylaxis is routinely administered during joint replacement surgery, there has been controversy about both type and duration of prophylaxis. The primary aim of this study was to determine the incidence of C. diff associated disease (CDAD) following hip and knee replacement and to investigate potential risk factors.

A laboratory database was interrogated to identify patients developing CDAD after hip or knee replacement from January 2006 to December 2008. A database of arthroplasty patients was used to identify a control group of patients without CDAD to compare the effects of prescription of antibiotics for reasons other prophylaxis of deep infection, comorbidity and the use of gastroprotective agents.

Eight patients developed CDAD. There were 1.7 cases of CDAD per 1000 joint replacements. Patients developing CDAD were more likely to have been prescribed additional antibiotics (p=0.047). There were no differences in the use of gastroprotective agents (p=0.703). A trial of a new prophylaxis regime would require 43,198 patients in each arm to show a reduction to 1 case per 1000 procedures.

Cefuroxime based antibiotic prophylaxis is safe in patients undergoing elective joint replacement. Extremely large studies would be required to show marginal clinical benefits of new regimes. One prophylaxis policy will not suit all orthopaedic patient groups or procedures.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 533 - 533
1 Aug 2008
Jenkins PJ Simons TA Ng CY Ballantyne JA
Full Access

Introduction: Surgical site infection following total hip replacement results in poorer outcomes, longer hospital stays, and increased costs. The aim of this study was to describe infective complications in a large series of total hip arthroplasty.

Methods: Between January 1998 and March 2005, consecutive total hip arthroplasties were prospectively. The presence of deep infection was confirmed by culture from joint aspiration or a secondary procedure such as joint washout or component removal and replacement. Risk factors for development of surgical site infective complications were analysed.

Results: 2029 consecutive total hip arthroplasties was carried out in 1539 patients. There were 22 deep infections (1.1%) and 118 superficial infections (5.8%). Staphylococcus aureus (MSSA) was isolated in 10/22 (45%) of deep infections and MRSA in 4 (18%). In patients undergoing unilateral replacement there were 11/1539 deep infections (0.7%) compared 5/172 (2.9%) in the bilateral simultaneous group. In patients who were current or exsmokers the deep infection rate was 11/880 (1.3%) compared to 7/864 (0.8%) in non-smokers. 3/120 (2.5%) diabetic patients developed deep infection. In patients who received a blood transfusion 9/502 (1.7%) developed deep infection compared to 13/1527 (1%) who did not. In patients with a BMI> 35kgm−2 the overall rate of infective complications (superficial and deep) was 18.8%. In patients with a report of a perioperative complication the deep infection rate was 6/169 (3.6%) compared to 16/1860 (0.9%) without complication.

Discussion: This study has the advantage of investigating infective complications in a typical case series of patient presenting for total hip replacement. The rate of deep infection was consistent with previous reports. Deep infection is associated with bilateral simultaneous replacement, smoking, diabetes, blood transfusion and perioperative complications. Obese patients are at higher risk of all surgical site infective complications.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 154 - 154
1 Feb 2003
Jenkins PJ White TO Henry J Robinson C
Full Access

Acute Respiratory Distress Syndrome (ARDS) is a rare but important complication of trauma, with a mortality of around 50%, and considerable morbidity amongst survivors. The treatment options currently available are supportive only. Although trauma is known to be an important risk factor, previous studies have been intensive care-based and the epidemiology of ARDS amongst trauma patients remains unknown.

We prospectively studied 7387 consecutive admissions to a single University Hospital, providing all trauma care to a well defined population, over an eight year period. Inclusion criteria were admission following trauma, age over thirteen and residence within the catchment area. Fifty five percent of all patients studied were male, the average age was fifty years and 97% of injuries were due to blunt trauma.

Thirty-eight (0.5%) patients developed ARDS following trauma, giving an incidence of 0.8 per 100 000 population per annum. The mortality rate was 26%. The incidence of ARDS after isolated thoracic, head, abdominal or extremity injury was less than one percent. The incidence was significantly higher amongst younger patients with a median age of 29 for those developing the condition. High energy trauma was also associated with an increased incidence, with 84% cases arising following a road traffic accident or a fall from a height. The highest incidence was observed amongst patients with multiple injuries. Patients with injuries to two anatomical regions had a higher incidence (up to 2.9%) than those with isolated injuries, and those with injuries to three anatomical regions had a higher incidence still (up to 8.2%). The combination of abdominal and extremity injury was shown on logistic regression to be especially significant.

The epidemiology of ARDS following trauma has not previously been defined. The incidence is highest following high energy trauma, in younger patients and in polytraumatised patients.

We have identified risk factors for the development of this rare but serious complication of trauma. Vigilant monitoring of those patients who are at increased risk will allow appropriate supportive measures to be instituted at an early stage.