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The Lubinus SP II is an anatomical femoral stem with high survivorship levels notably described in the Swedish Arthroplasty Register. As the clinical and economic burden of revision total hip arthroplasty (THA) and periprosthetic fracture (PPF) continues to increase, it has been suggested that use of anatomical stems may facilitate more uniform cement mantles and improve implant survival. The primary aim of this study was to determine the long-term survivorship and PPF rate of the Lubinus SP II 150mm stem in a single UK centre.

Between January 2007 and April 2012, 1000 consecutive THAs were performed using the Lubinus SP II femoral stem in our institution. Patient demographics and operative details were collected in a prospective arthroplasty database. Patient records and national radiographic archives were then reviewed at a mean of 12.3 years (SD 1.3) following surgery to identify occurrence of subsequent revision surgery, dislocation or periprosthetic fracture.

Mean patient age at surgery was 69.3 years (SD 10.1, 24–93 years). There were 634 women (63%). Osteoarthritis was the operative indication in 974 patients (97%). There were 13 revisions in total (4 for recurrent dislocation, 3 for infection, 6 for acetabular loosening) and 16 dislocations (1.6%). Stem survivorship at 10 years was 99.6% (95 % confidence interval [CI], 99.5%–99.7%) and at 15 years was 98.8% (98.7%–98.9%). The 15-year stem survival for aseptic loosening was 100%. Analysis of all cause THA failure demonstrated a survivorship of 99.1% (99.0%–99.3%) at 10 years and 98.2% (98.1%–98.3%) at 15 years. There were 4 periprosthetic fractures in total (0.4%) at mean 12.3 year follow-up.

The Lubinus SP II stem demonstrated excellent survivorship, low dislocation rates and negligible PPF rates up to 15 years following primary THA. Use of anatomical stems such as the Lubinus SPII would appear to be a wise clinical and economic investment for patients and healthcare systems alike.


The Bone & Joint Journal
Vol. 104-B, Issue 11 | Pages 1215 - 1224
1 Nov 2022
Clement ND Wickramasinghe NR Bayram JM Hughes K Oag E Heinz N Fraser E Jefferies JG Dall GF Ballantyne A Jenkins PJ

Aims

The primary aim of this study was to assess whether patients waiting six months or more for a total hip (THA) or knee (KA) arthroplasty had a deterioration in their health-related quality of life (HRQoL). Secondary aims were to assess changes in frailty and the number of patients living in a state considered to be worse than death (WTD), and factors associated with changes in HRQoL and frailty.

Methods

This cross-sectional study included 326 patients, 150 males (46.0%) and 176 females (54.0%), with a mean age of 68.6 years (SD 9.8) who were randomly selected from waiting lists at four centres and had been waiting for six months or more (median 13 months, interquartile range 10 to 21) for a primary THA (n = 161) or KA (n = 165). The EuroQol five-dimension questionnaire (EQ-5D) and visual analogue scores (EQ-VAS), Rockwood Clinical Frailty Scale (CFS), and 36-Item Short Form Survey subjective change in HRQoL were assessed at the time and recalled for six months earlier. A state that was WTD was defined as an EQ-5D of less than zero.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_6 | Pages 12 - 12
1 Jun 2022
Wickramasinghe N Bayram J Hughes K Oag E Heinz N Dall G Ballantyne A Clement N
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The primary aim was to assess whether patients waiting 6-months or more for a total hip (THA) or knee (KA) arthroplasty had a deterioration in their health-related quality of life (HRQoL). Secondary aims were to assess change in level of frailty and the number living in a state worse than death (WTD).

Eight-six patients waiting for a primary TKA or KA for more than 6-months were selected at random from waiting lists in three centres. Patient demographics, waiting time, EuroQol 5-dimension (EQ-5D) and visual analogue scores (EQ-VAS), Rockwood clinical frailty score (CFS) and SF-36 subjective change in HRQoL were recorded at the time of and for a timepoint 6-months prior to assessment. The study was powered to the EQ-5D (primary measure of HRQoL).

There were 40 male and 46 female patients with a mean age of 68 (33 to 91) years; 65 patients were awaiting a THA and 21 a TKA. The mean waiting time was 372 (226 to 749) days. The EQ-5D index deteriorated by 0.222 (95%CI 0.164 to 0.280, p<0.001). The EQ-VAS also deteriorated by 10.8 (95%CI 7.5 to 14.0, p<0.001). CFS progressed from a median of 3 to 4 (p<0.001). The number of patients WTD increased from seven to 22 (p<0.001). Thirty-one(36%) patients felt their HRQoL was much worse and 28 (33%) felt it was somewhat worse.

Patients waiting more than 6-months had a clinically significant deterioration in their HRQoL and demonstrated increasing level of frailty with more than a quarter living in a health state WTD.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_19 | Pages 9 - 9
1 Nov 2017
Bucknall V Phillip V Wright C Malik M Ballantyne A
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‘Primum non nocere’ is one of the most well known moral principles associated with the medical profession. Often, in our bid to maintain and improve quality of life, we neglect to recognise those patients who are in fact nearing the end of theirs. Thus, our aim was to ascertain if we are recognising the ‘dying’ orthopaedic patient and whether key elements of management in accordance with SIGN are being addressed.

All hip-fracture deaths occurring at a District General Hospital over a 4-year period (2012–2015) were included. Paper and electronic notes were used to record patient demographics, days from admission to death, diagnosis of ‘dying’ and discussions regarding DNACPR and ceiling of care. Total numbers of investigations undertaken during the week prior to death were noted.

89 hip-fracture deaths occurred between 2012–2015, of which 57 were female with a mean age at death of 84 years. The number of days post-admission to death was 17.5 (range 0–109). 45 patients had a new DNACPR recorded and 13 were longstanding. 43 patients (48.3%) were diagnosed as dying at a mean of 7.2 days following admission, 31 of whom (72.1%) had ceiling of care discussed. Of this cohort, 32 had futile investigations during their last week of life and astoundingly 10 on the day of death.

Although some effort is being made to recognise the ‘dying’ orthopaedic patient, further work is needed to establish a clear ceiling of care pathway, which maintains and respects patient comfort and dignity during their last days of life.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_12 | Pages 30 - 30
1 Nov 2015
Maempel J Clement N Ballantyne A Dunstan E
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Introduction

Total Hip Replacement (THR) is an effective treatment for end stage degenerative disease of the hip and offers patients the prospect of long term pain relief, improved joint function and quality of life. Enhanced Recovery Programmes (ERP) aim to standardise routine perioperative care, reduce hospital length of stay (LOS) and promote rapid recovery after elective surgery. The aim of this study was to determine whether the implementation of an ERP could successfully reduce the length of hospital stay associated with primary THR and whether this could be achieved without compromising the expected functional outcome or risking an increased dislocation rate.

Patients/Materials & Methods

Prospectively collected data on 1161 patients (611 managed with traditional rehabilitation and 550 with ERP) undergoing primary unilateral THR between 2005 and 2013 was retrospectively reviewed. Univariable statistical analysis was undertaken to identify factors that appeared to predict length of stay and a multiple linear regression model was then constructed to determine the significance and strength of effect of the individual predictors.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 278 - 278
1 Sep 2005
Ballantyne A Brenkel I
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In consecutive patients undergoing unilateral TKA in a single institution, we undertook an audit of blood transfusion practices before and after introduction of a blood transfusion protocol.

Before and after the introduction of the protocol, 393 patients (group I) and 295 patients (group II) respectively were audited. The protocol stated that only patients with preoperative haemoglobin of less than 11 were cross-matched before surgery. The criterion for postoperative transfusion was a postoperative haemoglobin of less than 8.5 or a symptomatic patient with a haemoglobin greater than 8.5. The introduction of the protocol reduced the transfusion rates from 31% in group I to 11.9% in group II (CI 13.1% to 24.9%). The length of stay was reduced from 11.4 to 9.3 days (CI 1.4 to 2.9).

There were no adverse outcomes related to the introduction of the protocol.