Lynn P. Copley

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OBJECTIVES This study summarises the results of a National Audit of sino-nasal surgery carried out in England and Wales. It describes patient and operative characteristics as well as patient outcomes up to 36 months after surgery. DESIGN Prospective cohort study. SETTING NHS hospitals in England and Wales. PARTICIPANTS Consecutive patients undergoing(More)
OBJECTIVE The objective of this study was to determine the rate of complications of surgery for nasal polyposis and chronic rhinosinusitis as well as their risk factors. STUDY DESIGN, SETTING, PARTICIPANTS, AND OUTCOME MEASURES: The authors conducted a prospective study of 3,128 patients who underwent sinonasal surgery during 2000 and 2001 in 87 National(More)
OBJECTIVES/HYPOTHESIS We present a large, prospective cohort study following patients who underwent surgery for chronic rhinosinusitis (CRS), with or without nasal polyps, in hospitals in England and Wales. Five-year outcomes will be reported, and we will revisit a previous analysis of the effectiveness of extensive surgery in the treatment of nasal(More)
OBJECTIVES Following a 3.7-fold increase in the rate of cataract surgery in the UK between 1989 and 2004, concern has been raised as to whether this has been accompanied by an excessive decline in the threshold such that some operations are inappropriate. The objective was to measure the impact of surgery on a representative sample of patients so as to(More)
BACKGROUND Current statistical prognostic models for mortality after liver transplantation do not have good discriminatory ability. Furthermore, the methodology used to develop these models is often flawed. The objective of this paper is to develop a prognostic model for 90-day mortality after liver transplantation based on pretransplant recipient factors,(More)
BACKGROUNDS AND PURPOSE The purpose of the study was to describe the characteristics, management, and outcomes of patients with confirmed aneurysmal subarachnoid hemorrhage and to compare outcomes across neurosurgical units (NSUs) in the UK and Ireland. METHODS A cohort of patients admitted to NSUs with subarachnoid hemorrhage between September 14, 2001(More)
It has been shown that the model for end-stage liver disease (MELD) score is an accurate predictor of survival in patients with liver disease without transplantation. Four recent studies carried out in the United States have demonstrated that the MELD score obtained immediately prior to transplantation is also associated with post-transplant patient(More)
Funding: Jan van der Meulen was supported by a National Public Health Career Scientist Award, Department of Health – NHS R&D, UK. The NJR is funded through a levy raised on the sale of hip and knee replacement implants. The cost of the levy is set by the NJR Steering Committee, an advisory nondepartmental public body that oversees the NJR’s work programme(More)
OBJECTIVES Investigation of the occurrence of postoperative hemorrhage after tonsillectomy and risk factors for these complications. STUDY DESIGN Prospective National Audit with electronic web-based data collection from the National Health Service and independent hospitals in England and Northern Ireland. METHODS Consenting patients undergoing(More)
BACKGROUND The UK and Ireland Liver Transplant Audit collects information on all liver transplantations that are carried out in both countries. In this paper, we describe these transplantations and their outcomes in adult patients according to primary liver disease diagnosis, type of transplantation and period. METHODS A prospective cohort study of 7906(More)