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Bone & Joint Open
Vol. 1, Issue 6 | Pages 229 - 235
9 Jun 2020
Lazizi M Marusza CJ Sexton SA Middleton RG

Aims

Elective surgery has been severely curtailed as a result of the COVID-19 pandemic. There is little evidence to guide surgeons in assessing what processes should be put in place to restart elective surgery safely in a time of endemic COVID-19 in the community.

Methods

We used data from a stand-alone hospital admitting and operating on 91 trauma patients. All patients were screened on admission and 100% of patients have been followed-up after discharge to assess outcome.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_7 | Pages 3 - 3
1 Apr 2014
Young PS Middleton RG Uzoigwe CE Smith R Gosal HS Holt G
Full Access

The surgical treatment options for patients who have sustained an intra-capsular hip fracture can vary depending on a number of patient and fracture related factors. Currently most national guidelines support the use of cemented prostheses for patient undergoing hemi-arthroplasty surgery. Uncemented prostheses are commonly used for a variety of indications including those patients who have significant medical co-morbidities.

To determine whether cemented hemi-arthroplasty is associated with a higher post operative mortality when compared to uncemented procedures. Data was extracted from the Scottish SMR01 database from 01/04/1997 from all patients who were admitted to hospital after sustaining a hip fracture. We investigated mortality at day 1, 2, 4, 7, 30, 120 and 1 year from surgery vs. that on day 0. In order to control for the effects of confounding variables between patients cohorts, 12 case-mix variable were used to construct a multivariable logistic regression analysis model to determine the independent effect of prosthesis fixation method.

There were 64,979 patients were included in the study. Mortality for osteosynthesis of extra-capsular fractures was consistently lower when compared to that for surgical procedures for intra-capsular fractures. At day 0, uncemented hemi-arthroplasty operations had a lower associated mortality (p<0.001) when compared to cemented implant designs. Unadjusted figures showed an increased mortality equal to 1 extra death per 424 procedures. By day 1 this had become 1 extra death per 338 procedures. By day 7 cumulative mortality was less for cemented than for uncemented procedures though this did not reach significance until day 120.

When compared to uncemented fixation techniques, cemented hemiarthroplasty is associated with a higher mortality in the immediate postoperative period. However, by day 120 and beyond the trend is reversed.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_31 | Pages 64 - 64
1 Aug 2013
Middleton RG Uzoigwe CE Young PS Smith R Gosal HS Holt G
Full Access

The surgical treatment options for patients who have sustained an intra-capsular hip fracture can vary depending on a number of patient and fracture related factors. Currently most national guidelines support the use of cemented prostheses for patient undergoing hemiarthroplasty surgery. Uncemented prostheses are commonly used for a variety of indications including those patients who have significant medical co-morbidities.

To determine whether cemented hemiarthroplasty is associated with a higher post operative mortality when compared to uncemented procedures. Data were extracted from the Scottish SMR01 database from 01/04/1997 from all patients who were admitted to hospital after sustaining a hip fracture. We investigated mortality at day 1,2,4,7,30, 120 and 1 year from surgery vs. that on day 0. In order to control for the effects of confounding variables between patients cohorts, 12 case-mix variable were used to construct a multivariable logistic regression analysis model to determine the independent effect of prosthesis design.

There were 52283 patients included in the study. Mortality for osteosynthesis of extra-capsular fractures was consistently lower when compared to that for surgical procedures for intra-capsular fractures. At day 0, uncemented hemiarthroplasty had a lower associated mortality (p<0.001) when compared to cemented implant designs. However, this increased mortality was equal to 1 extra death per 2000 procedures. From day 1 onward mortality for cemented procedures was equal to or lower than that of uncemented. By day 4, cumulative mortality was less for cemented than for uncemented procedures. Complication and re-operation rate was significantly higher in the uncemented cohort.

The use of uncemented hemiarthroplasty for the treatment of intra-capsular hip fractures cannot be justified in terms of early/late post-operative mortality.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXVIII | Pages 27 - 27
1 Jun 2012
Young PS Middleton RG Learmonth ID Minhas THA
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Total hip arthroplasty is well established as a successful treatment modality for end stage arthritis, with a variety of components currently available. However, utilising traditional stemmed implants in patients with distorted proximal femoral geometry can be technically challenging with increased risk of complications.

We present seven patients with distorted proximal femoral anatomy or failed hip arthroplasty in whom a technically challenging primary or revision operation was simplified by use of a Proxima stem. This is a short, stemless, metaphyseal loading implant with a pronounced lateral flare.

At twelve months follow up there have been no complications with average improvement in Oxford and Harris scores of forty and forty-nine respectively. Radiological analysis shows all stems to be stable and well fixed.

Designed primarily as a bone conserving implant for primary hip arthroplasty we propose that the Proxima prosthesis also be considered in cases where a conventional stemmed implant may not be suitable due to challenging proximal femoral anatomy. The use of the stemless Proxima implant provided a simple solution in seven difficult and potentially lengthy complex primary and revision hip arthroplasties with gratifying clinical and radiological outcomes.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_III | Pages 406 - 406
1 Sep 2009
Olyslaegers C Wainwright TW Middleton RG
Full Access

Introduction: This study evaluates the effect on hospital length of stay (LOS) of patients receiving a total hip replacement (THR) as part of a patient centred approach. In order to meet the “18 week” target a pathway was developed by combining the latest research evidence with guidance from the NHS Institute for Innovation and Improvement.

Methods: We prospectively studied the first 134 THR patients who followed the new pathway. The pathway included an enhanced pre-assessment process. Admission dates were mutually agreed and a predicted discharge date of 4 days was provided. All patients attended a pre-operative education session. Patients were admitted on the day of surgery with staggered admission times and followed an intensive physiotherapy program. The surgeons, surgical techniques, and discharge criteria all remained unchanged.

Results: 100% of patients were admitted on the day of surgery and the average time between admission and start of surgery was 2hrs 41mins. All patients walked to theatre and 100% of patients received their first physiotherapy intervention within 18 hours post-operatively. The average length of stay was 3.85 days. 87% of patients went home on or before their predicted day of discharge. The patient feedback was excellent and satisfaction rates were very high. There were no alterations in surgical complication rates compared to before the pathway was introduced.

Discussion: This decrease in LOS was dramatic and highly clinically significant. The average LOS for THR patients prior to commencing this new pathway was 7.5 days. High patient satisfaction rates indicate that by adopting a patient centred approach, significant decreases to LOS can be achieved alongside improving the quality of care. Pressure to meet the “18 week” target provided an opportunity to improve working practice as well as increasing surgical capacity.