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1.
JSES Int ; 6(3): 447-453, 2022 May.
Article in English | MEDLINE | ID: mdl-35572451

ABSTRACT

Background: Degenerative rotator cuff tears and osteoarthritis (OA) are associated with differences in coronal plane scapular morphology, with particular focus on the effect of the critical shoulder angle (CSA) on shoulder biomechanics. The effect, if any, of axial plane scapular morphology is less well established. We have noticed wide disparity of axial coracoid tip position in relation to the face of the glenoid and sought to investigate the significance of this through measurement of the critical coracoid process angle (CCPA), which incorporates coracoid tip position and glenoid version. Methods: CCPA, CSA, and glenoid retroversion were measured by three independent reviewers from the cross-sectional two-dimensional computed tomography (CT) and magnetic resonance imaging of 160 patients in four equal and matched case-control groups: (1) a control group of patients with a radiologically normal shoulder and no history of shoulder symptoms who had a CT thorax for another reason, (2) patients with primary OA with Walch type-A glenoid wear pattern on CT scan, (3) patients with type-B glenoid primary OA, and (4) patients with magnetic resonance imaging-proven atraumatic tears of the posterosuperior rotator cuff. Results: Interobserver agreement was excellent for all measured parameters. The median CCPA was significantly lower in the type-B OA group (9.3˚) than that in controls (18.7˚), but not significantly different in the other study groups. There was a trend toward greater glenoid retroversion in the type-B OA group, but receiver operating characteristic curve analysis demonstrated the CCPA to be by far the most powerful discriminator for type-B OA. The optimal cutoff value was calculated for the CCPA at 14.3˚ with a sensitivity of 93% and specificity of 90% for type-B OA. Compared with controls, the CSA was significantly higher in the rotator cuff tear group and lower in both OA groups, but did not differentiate between type-A and type-B OA. Conclusion: Combined with a lower CSA, a lower CCPA (<14.3˚) is strongly predictive of type-B glenoid OA. The authors propose a simple model of pectoralis major biomechanics to explain the effect of this axial plane anatomical variation, which requires further investigation.

3.
BMJ Case Rep ; 14(3)2021 Mar 02.
Article in English | MEDLINE | ID: mdl-33653872

ABSTRACT

An adult old cyclist presented to our hospital and was referred to the orthopaedic department with a left shoulder posterolateral acromion avulsion fracture and subacromial impingement demonstrated on X-ray and CT. This highly unusual fracture pattern was treated by open reduction and internal fixation with cannulated screws and a tension band suture technique. This fracture went onto successful union with full range of motion and good patient-reported outcome measures by the Oxford Shoulder Score at 3 months. Informed consent was taken for the following case report.


Subject(s)
Fractures, Bone , Shoulder Impingement Syndrome , Acromion/diagnostic imaging , Acromion/surgery , Adult , Fracture Fixation, Internal , Fractures, Bone/complications , Fractures, Bone/diagnostic imaging , Fractures, Bone/surgery , Humans , Shoulder Impingement Syndrome/diagnostic imaging , Shoulder Impingement Syndrome/surgery , Suture Techniques , Treatment Outcome
4.
Eur J Orthop Surg Traumatol ; 28(6): 1177-1182, 2018 Aug.
Article in English | MEDLINE | ID: mdl-29541841

ABSTRACT

BACKGROUND: The WHO includes osteoarthritis as a disease of priority, owing to its significant impact on quality of life, and globally increasing prevalence. Hospital budgets are under pressure to ration knee replacements and shorten inpatient stays. Prolonged tourniquet application has been hypothesised to extend recovery through pain and reduced mobility. PATIENTS AND METHODS: A total of 123 elective total knee replacements meeting inclusion criteria took place from July 2015 to October 2017 at the Royal Free Hospital. Cases were standardised by method of TKR, implant, physiotherapy and analgesic regime according to the trust Enhanced Recovery after Surgery pathway. Tourniquet time was compared to length-of-stay post-operatively and total opioid analgesia requirement over 24 h. RESULTS: Median tourniquet time overall was 74 min and was decreased year-on-year from 108 to 60 min (p = 0.000). Inpatient median length-of-stay was 5 days and did not decrease (p = 0.667). Increased tourniquet time was not associated with longer length-of-stay but in fact shorter (p = 0.03199), likely due to this confounding temporal trend. Increased tourniquet time was not associated with increased opioid requirement (p = 0.78591). No association was found between tourniquet time and other complications including DVT and infection. CONCLUSIONS: Our study finds no evidence that reductions in tourniquet time in TKR improve recovery including length-of-stay or opioid requirement. This clinical data is expected to augment PROMs collected by the National Joint Registry.


Subject(s)
Arthroplasty, Replacement, Knee/rehabilitation , Osteoarthritis, Knee/surgery , Tourniquets/adverse effects , Aged , Analgesics, Opioid/therapeutic use , Arthroplasty, Replacement, Knee/adverse effects , Arthroplasty, Replacement, Knee/methods , Clinical Protocols , Convalescence , Elective Surgical Procedures/adverse effects , Elective Surgical Procedures/methods , Elective Surgical Procedures/rehabilitation , Female , Humans , Length of Stay , Male , Pain, Postoperative/drug therapy , Postoperative Care , Recovery of Function , Time Factors
5.
Injury ; 47(10): 2117-2121, 2016 Oct.
Article in English | MEDLINE | ID: mdl-27496722

ABSTRACT

Addenbrooke's Hospital, the Major Trauma Centre for the East of England Trauma Network, received 1070 major trauma patients between 1st January and 31st December 2014. In order to improve care, an audit was performed of 59 patients meeting our own selection criteria for orthopaedic polytrauma between 1st January 2013 and 31st December 2013. The Cambridge Polytrauma Pathway was devised through NCEPOD guidelines, literature review, internal and external discussion. It facilitates provision of best practice Early Appropriate Care, encompassing - multidisciplinary consultant decisions around the patient in our Neurological and Trauma Critical Care Unit, early full body trauma CT scans, serial measurements of lactate and fibrinogen levels, and out-of-hours orthopaedic theatre reserved for life-and-limb threatening injuries. Re-audit was conducted of 15 patients meeting selection criteria, admitted between 1st October 2014 and 31st March 2015. Significant improvements in recording of lactate and fibrinogen were demonstrated, both on admission (lactate - p<0.000, fibrinogen - p=0.015), and preoperatively (lactate - p=0.003, fibrinogen - p=0.030). Time to trauma CT was unchanged (p=0.536) with a median time to CT of 0.53h at re-audit (IQR 0.48-0.75). The number of patients receiving definitive orthopaedic intervention out-of-hours reduced from 8 to zero (p=0.195). The approach of facilitating management decisions to be made at early daytime MDT meetings has been adopted. It is anticipated that this pathway will improve outcomes in orthopaedic polytrauma patients and it is recommended that either the GOS-E, or the EQ-5D scoring systems be introduced to assess this.


Subject(s)
Clinical Decision-Making , Multiple Trauma/therapy , Adult , Clinical Audit , Female , Humans , Injury Severity Score , Male , Middle Aged , Multiple Trauma/diagnostic imaging , Patient Selection , Tomography, X-Ray Computed , Trauma Centers/organization & administration , United Kingdom , Whole Body Imaging , Young Adult
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