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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_12 | Pages 37 - 37
1 Nov 2015
Kazi H Whitehouse S Timperley A
Full Access

Introduction

Cemented stems have given good results with no difference in outcome when comparing taper slip and composite beam designs in short-term randomised trials. We aimed to ascertain differences in outcome between the different cemented design philosophies using a large-scale registry analysis.

Materials and Methods

A retrospective cohort study of National Joint Registry of England and Wales (NJREW) was conducted. The study population included all primary total hip operations performed in the UK from 1 April 2003 to 31 September 2012. All cemented stems were identified and categorised as taper slip (polished) or composite beam (non-polished).


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLIII | Pages 36 - 36
1 Sep 2012
Molloy AP Kazi H Ajis A
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The purpose of this study was to evaluate the early functional outcome of this new modification of the Brostrom-Gould lateral ligament reconstruction using suture anchors and triple breasting of ATFL.

AOFAS hindfoot scoring system was the primary outcome measure used. Between January 2008 and May 2011, data was collected prospectively, pre and postoperatively. Surgery for all patients included ankle arthroscopy plus whatever other minor procedure was indicated and was performed by the senior author. Postoperatively at 3 months and 12 months and in May 2011 patients were asked to attend a research clinic and their scores were obtained.

Anterior drawer laxity and patient satisfaction, activity resumption and complications were some of the other information recorded. A mean follow up of 25 months on 18 ankles is presented which is amongst the longest in the literature for this procedure. Comparing pre and postoperative AOFAS scores revealed a statistically significant mean improvement of 39 points p < 0.05 with mean preoperative score being 53 and at 25 months being 89. All ankles felt clinically stable on repeated anterior drawer testing. 8 patients had resumed normal pre-injury level of activities (including sports), 8 had some reduction in normal level of activity and 2 did not carry out physical prior to operation. One patient complained of scar tenderness otherwise no complications were noted. 13 patients were extremely satisfied with results of surgery, 4 were very satisfied and 1 was moderately satisfied.

The mid-term results of our modification show it to be safe, reproducible and highly successful in producing clinically and functionally stable ankles with high patient satisfaction. This includes a statistically significant improvement in AOFAS scores. This exceeds the results in the published literature.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_IV | Pages 564 - 565
1 Oct 2010
Kazi H Dematas M Pillay R
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Introduction: A high incidence of pin loosening, infection and discomfort as well as pressure ulceration from the jacket were noted in a study performed in 19861 we aimed to compare our figures with published literature.

Methods: A retrospective case note review (1994–2004). One investigator reviewed the case notes and corroborated these with a spinal database, theatre database and microbiology results system.

Results: 74 halos were applied in the 10-year period. A complete dataset was obtained for 37 patients (others had been destroyed either entirely or relevant volumes). Age range was 22–83 years (median 49), 20 males and 17 females.

28 were applied under local anaesthetic (LA), one with LA and sedation and 8 were applied under general anaesthetic (either for another trauma procedure or due to head injury). All halos applied were Bremer Halo Crown with Classic or Classic II vest (DePuy Spine, Warsaw, IN, USA).

Indications for application included fractures (n=21), tumours (n=6) or subluxations (n=10).

8 patients required pin repositioning. This was due to poor position (n=2), pain (n=5) and pin loosening (n=1, 3%).

Pin site infection was diagnosed using an accepted definition2. This occurred in 5 patients. 3 settled with antibiotics, one with debridement and one with repositioning. Overall infection rate was 13.5%, which compares favourably with published rates of 20–22%. Pin site infection dropped significantly after introduction of a pin care regimen introduced and published by our limb reconstruction team2 from three patients to one patient. Pin torque was also checked daily for seven days followed by weekly thereafter.

The halo vest was a cause of significant morbidity in terms of pressure ulceration (3 patients) pneumonia (3 ventilated ITU patients of whom 2 died) and pain in one patient.

Conclusion: Our pin loosening rate was significantly lower than published figures, which we ascribe to regular torque checking and use of a 0.90 Nm torque wrench3. Our pin site infection rate dropped significantly after use of our limb reconstruction teams pin care regimen. We now utilise this regimen in all halo patients with good effect. A prospective study is ongoing.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_III | Pages 492 - 493
1 Sep 2009
Kazi H Dematas M Pillay R O’Donoghue D
Full Access

Introduction: A high incidence of pin loosening, infection and discomfort as well as pressure ulceration from the jacket were noted in a study performed in 19861 we aimed to compare our figures with published literature.

Methods: A retrospective case note review (1994–2004). One investigator reviewed the casenotes and corroborated these with a spinal database, theatre database and microbiology results system.

Results: 74 halos were applied in the 10-year period. A complete dataset was obtained for 37 patients (others had been destroyed either entirely or relevant volumes). Age range was 22–83 years (median 49), 20 males and 17 females.

28 were applied under local anaesthetic (LA), one with LA and sedation and 8 were applied under general anaesthetic (either for another trauma procedure or due to head injury). All halos applied were Bremer Halo Crown with Classic or Classic II vest (DePuy Spine, Warsaw, IN, USA).

Indications for application included fractures (n=21), tumours (n=6) or subluxations (n=10).

8 patients required pin repositioning. This was due to poor position (n=2), pain (n=5) and pin loosening (n=1, 3%). Pin site infection was diagnosed using an accepted definition2. This occurred in 5 patients. 3 settled with antibiotics, one with debridement and one with repositioning. Overall infection rate was 13.5%, which compares favourably with published rates of 20–22%. Pin site infection dropped significantly after introduction of a pin care regimen introduced and published by our limb reconstruction team2 from three patients to one patient. Pin torque was also checked daily for seven days followed by weekly thereafter.

The halo vest was a cause of significant morbidity in terms of pressure ulceration (3 patients) pneumonia (3 ventilated ITU patients of whom 2 died) and pain in one patient.

Conclusion: Our pin loosening rate was significantly lower than published figures, which we ascribe to regular torque checking and use of a 0.90 Nm torque wrench3.

Our pin site infection rate dropped significantly after use of our limb reconstruction teams pin care regimen. We now utilise this regimen in all halo patients with good effect. A prospective study is ongoing.