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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_10 | Pages 48 - 48
1 Oct 2020
Kayani B Onochie E Patel V Begum F Cuthbert R Ferguson D Bhamra JS Sharma A Bates PD Haddad FS
Full Access

Background

There remains a paucity of clinical studies on the effects of coronavirus on perioperative outcomes, with no existing trials reporting on risk factors associated with increased risk of postoperative mortality in these patients. The objectives of this study were to assess perioperative complications and identify risk factors for increased mortality in patients with coronavirus undergoing surgery.

Methods

This multicentre cohort study included 340 coronavirus negative patients versus 82 coronavirus positive patients undergoing surgical treatment for neck of femur fractures across nine NHS hospitals within Greater London, United Kingdom. Predefined study outcomes relating to patient demographics, fracture configuration, operative treatment, perioperative complications and mortality were recorded by observers using a standardised data collection proforma. Univariate and multivariate analysis were used to identify risk factors associated with increased risk of mortality.


The Bone & Joint Journal
Vol. 102-B, Issue 10 | Pages 1279 - 1280
1 Oct 2020
Kayani B Onochie E Patil V Begum F Cuthbert R Ferguson D Bhamra J Sharma A Bates P Haddad FS


The Bone & Joint Journal
Vol. 102-B, Issue 9 | Pages 1136 - 1145
14 Sep 2020
Kayani B Onochie E Patil V Begum F Cuthbert R Ferguson D Bhamra JS Sharma A Bates P Haddad FS

Aims

During the COVID-19 pandemic, many patients continue to require urgent surgery for hip fractures. However, the impact of COVID-19 on perioperative outcomes in these high-risk patients remains unknown. The objectives of this study were to establish the effects of COVID-19 on perioperative morbidity and mortality, and determine any risk factors for increased mortality in patients with COVID-19 undergoing hip fracture surgery.

Methods

This multicentre cohort study included 340 COVID-19-negative patients versus 82 COVID-19-positive patients undergoing surgical treatment for hip fractures across nine NHS hospitals in Greater London, UK. Patients in both treatment groups were comparable for age, sex, body mass index, fracture configuration, and type of surgery performed. Predefined perioperative outcomes were recorded within a 30-day postoperative period. Univariate and multivariate analysis were used to identify risk factors associated with increased risk of mortality.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 193 - 193
1 Sep 2012
Chow RM Begum F Beaupre L Carey JP Adeeb S Bouliane M
Full Access

Purpose

Locking plate constructs for proximal humerus fractures can fail due to varus collapse, especially in the presence of osteoporosis and comminution of the medial cortex. Augmentation using a fibular allograft as an intramedullary bone peg may strengthen fixation preventing varus collapse. This study compared the ability of the augmented locking plate construct to withstand repetitive varus stresses relative to the non-augmented construct in cadaveric specimens.

Method

Proximal humerus fractures with medial comminution were simulated by performing wedge-shaped osteotomies at the surgical neck in cadaveric specimens. For each cadaver (n=8), one humeral fracture was fixated with the locking plate construct alone and the other with the locking plate construct plus ipsilateral fibular autograft augmentation. The humeral head was immobilized and a repetitive, medially-directed load was applied to the humeral shaft until failure (significant construct loosening or humeral head screw pull-out).