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1.
Pediatr Blood Cancer ; 65(10): e27272, 2018 10.
Artigo em Inglês | MEDLINE | ID: mdl-29873876

RESUMO

The relationship between myocardial iron load and eccentric myocardial remodeling remains an under-investigated area; it was thought that remodeling is rather linked to fibrosis. This study aims to determine whether or not measures of remodeling can be used as predictors of myocardial iron. For this purpose, 60 patients with thalassemia were studied with 3D echocardiography and myocardial relaxometry (T2*) by Cardiac MRI. 3D derived sphericity index was significantly higher in patients with myocardial iron load. It was correlated with T2* with a 100% sensitivity and specificity (cut-off value of 0.34) to discriminate between patients with and without myocardial iron overload.


Assuntos
Cardiomiopatias/diagnóstico por imagem , Sobrecarga de Ferro/diagnóstico por imagem , Talassemia beta , Adolescente , Criança , Estudos Transversais , Ecocardiografia Tridimensional/métodos , Feminino , Humanos , Imageamento por Ressonância Magnética/métodos , Masculino , Miocárdio/patologia , Sensibilidade e Especificidade , Remodelação Ventricular
2.
Cureus ; 14(11): e31937, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36475166

RESUMO

Introduction The incidence of periprosthetic femoral fractures (PPF) is expected to rise by 4.6% every decade over the next 30 years. The risk of mortality for patients who sustained a PPF was found to be similar to the mortality rate after a native hip fracture, and so The National Institute for Health and Care Excellence (NICE) guidelines advocate the timely management and mobilisation for patients with PPFs. Patient outcomes following these complex surgeries can be highly variable owing to the variability in regional practice and service delivery. This study aimed to review the management trend and outcomes of periprosthetic fractures (PPFs) involving hip and knee prostheses at a busy district general hospital in order to improve the overall efficacy in managing these complex fractures. Methods This retrospective study included 67 patients who presented to a single district general hospital during a two-year period. Data was collected on demographic profile, further onward referral to a tertiary centre, management (operative versus conservative), timing of surgery, complications, length of stay, implant survivorship, 30-day, one-year, and two-year mortality rate. Results Out of the total of 67 PPFs, 51 (76%) were managed operatively, and 16 (24%) were managed conservatively. Of the operatively managed PPFs, 49 (96%) were managed locally at the district general hospital, and two (4%) were managed at the tertiary centre. Eighteen patients (37%) underwent both revision and fixation, whilst 31 (63%) underwent fixation alone. The mortality rates at 30 days, one year, and two years were 10.4%, 20.9%, and 25.4%, respectively. For PPF patients managed operatively, the mean time taken from presentation to operation was 89.2 hours. The overall mean length of hospital stay for all patients was 23.6 days. Eight patients suffered complications. The implant survivorship at two years was 98%. Conclusion This study adds objective support for the successful operative management of PPFs at district general hospitals. However, improvement is required in service delivery and the efficacy of management. This could be achieved by a national database for PPFs, improved resource allocation, and prompt logistical support.

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