Research Topics
| James B SemmensSummaryAffiliation: University of Western Australia Country: Australia Publications
| Collaborators
|
Detail Information
Publications
Outcomes of fenestrated endografts in the treatment of abdominal aortic aneurysm in Western Australia (1997-2004)James B Semmens
Centre for Health Services Research, School of Population Health, The University of Western Australia, Nedlands, WA, Australia
J Endovasc Ther 13:320-9. 2006..To describe a 7-year experience with abdominal aortic aneurysm (AAA) repair using fenestrated Zenith endovascular endografts...
Excess mortality rates for estimating the non-fatal burden of stroke in Western Australia: a data linkage studyJudith M Katzenellenbogen
Centre for Health Services Research, School of Population Health, University of Western Australia, Perth, W A, Australia
Cerebrovasc Dis 30:57-64. 2010..In the model, case fatality can be calculated from the absolute risk of mortality in cases in excess of that in the non-diseased...
Long-term survival outcomes following breast cancer surgery in Western AustraliaKatrina Spilsbury
Western Australian Safety and Quality of Surgical Care Project, Centre for Health Services Research, School of Population Health, University of Western Australia, Crawley, Australia
ANZ J Surg 75:625-30. 2005..The aim of the present study was to investigate how hospital, social and demographic factors were associated with survival outcomes from surgically treated breast cancer for all women living in Western Australia...
Length of comorbidity lookback period affected regression model performance of administrative health dataDavid B Preen
Centre for Health Services Research, School of Population Health, The University of Western Australia, 35 Stirling Highway, Crawley WA 6009 Australia
J Clin Epidemiol 59:940-6. 2006..The impact of different comorbidity ascertainment lookback periods on modeling posthospitalization mortality and readmission was examined...
Clinical epidemiology and in-patient hospital use in the last year of life (1990-2005) of 29,884 Western Australians with dementiaRenate R Zilkens
Centre for Population Health Research, School of Public Health, Curtin University of Technology, Perth, WA, Australia
J Alzheimers Dis 17:399-407. 2009..Consideration of geographic isolation and accessibility to non-hospital facilities in dementia-related healthcare planning may liberate in-patient beds for more elective and acute care admissions...
Providers and consumers support the Western Australian Audit of Surgical MortalityJames B Semmens
Centre for Health Services Research, School of Population Health, The University of Western Australia, Crawley, Australia
ANZ J Surg 76:442-7. 2006..The objectives of this study were (i) to evaluate whether participation in the WAASM has influenced clinical and hospital practice; and (ii) to ascertain the support and relevance of the WAASM to surgeons, hospitals and consumers...
Ovarian cancer in Western Australia (1982-98): incidence, mortality and survivalCrystal L Laurvick
School of Population Health, University of Western Australia, Nedlands
Aust N Z J Public Health 27:588-95. 2003..Age-period and age-cohort models were analysed by Poisson regression. The Kaplan-Meier method was used to estimate survival and Cox proportional hazards regression evaluated the relative risk of dying...
Socioeconomic and rural differences for cataract surgery in Western AustraliaJonathon Q Ng
Centre for Health Services Research, School of Population Health, The University of Western Australia, Crawley, Australia
Clin Experiment Ophthalmol 34:317-23. 2006..These differences partly reflect the increasingly two-tiered Australian health system with more privately provided cataract surgery in urban areas...
A multipurpose comorbidity scoring system performed better than the Charlson indexC D Arcy J Holman
Centre for Health Services Research, School of Population Health, The University of Western Australia, 35 Stirling Highway, MDP M431, Crawley 6009, Australia
J Clin Epidemiol 58:1006-14. 2005..To develop a comorbidity scoring system that out-performs the Charlson index...
Inequalities in rural health care: differences in surgical intervention between metropolitan and rural Western AustraliaJonathon Q Ng
Centre for Health Services Research, School of Population Health, The University of Western Australia, Crawley, WA 6009, Australia
ANZ J Surg 75:265-9. 2005..69; 0.67-0.73). CONCLUSION: A distinctly reduced level of surgical intervention was found in rural patients for three generally non-life threatening conditions. The reasons for this require further investigation...
Management and outcomes of postoperative endophthalmitis since the endophthalmitis vitrectomy study: the Endophthalmitis Population Study of Western Australia (EPSWA)'s fifth reportJonathon Q Ng
School of Population Health, The University of Western Australia, Crawley, Australia
Ophthalmology 112:1199-206. 2005..Our finding that treatment with oral antibiotics may be associated with a better visual outcome warrants further investigation...
The Western Australian gestational breast cancer project: a population-based study of the incidence, management and outcomesAngela D Ives
School of Surgery and Pathology, QEII Medical Centre, Nedlands, WA, Australia
Breast 14:276-82. 2005..Five-year survival was better than reported previously (73%). The incidence of GBC was lower than previously reported. Significant differences in pregnancy outcome and management exist between the pregnant and postpartum groups...
A laparoscopic access technique for endovascular procedures: surgeon training in an animal modelShirley J Fearn
Department of Vascular Surgery, Sir Charles Gairdner Hospital, Nedlands, WA, Australia
J Endovasc Ther 13:350-6. 2006..The technique would appear not to require specialist laparoscopic skills...
A decade of data linkage in Western Australia: strategic design, applications and benefits of the WA data linkage systemC D Arcy J Holman
Centre for Health Services Research, School of Population Health, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
Aust Health Rev 32:766-77. 2008..Staged development has seen its expansion, initially from a linkage key to local health data sets, to encompass links to national and local health and welfare data sets, genealogical links and spatial references for mapping applications...
Is Western Australia representative of other Australian States and Territories in terms of key socio-demographic and health economic indicators?Antony Clark
Centre for Health Services Research, School of Population Health, The University of Western Australia, 35 Stirling Hwy, Nedlands, WA 6009, Australia
Aust Health Rev 34:210-5. 2010..To evaluate the extent to which Western Australian (WA) represents the broader Australian population in terms of key socio-demographic and health economic indicators...
Improving the evidence base for promoting quality and equity of surgical care using population-based linkage of administrative health recordsSonja E Hall
School of Population Health, University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia
Int J Qual Health Care 17:415-20. 2005..Health researchers, clinicians, and policy-makers will find the discussion of these issues useful in their everyday practice...
Review of survival curves for colorectal cancerCameron F E Platell
University Department of Surgery, Fremantle Hospital, Fremantle, Western Australia
Dis Colon Rectum 47:2070-5. 2004..This was to highlight some of the variation that can occur when different techniques are used to perform these calculations...
Trends in cataract surgery and postoperative endophthalmitis in Western Australia (1980-1998): the Endophthalmitis Population Study of Western AustraliaJames B Semmens
Centre for Health Services Research, School of Population Health, The University of Western Australia, Crawley, Australia
Clin Experiment Ophthalmol 31:213-9. 2003..The aim of this study was to assess the trends in the incidence rates of cataract surgery and postoperative endophthalmitis in Western Australia for the period 1980-1998...
Trends and outcomes for women diagnosed with ovarian cancer in AustraliaCrystal L Laurvick
Centre for Health Services Research, School of Population Health, University of Western Australia
Aust Fam Physician 31:1005-11. 2002..Early disease is asymptomatic and often results in a late diagnosis with approximately two-thirds of all cases presenting at an advanced stage...
Long-term relative survival in elderly patients after carotid endarterectomy: a population-based studyPaul E Norman
School of Surgery and Pathology, University of Western Australia, Fremantle Hospital, PO Box 480, Fremantle, Western Australia 6959
Stroke 34:e95-8. 2003..The aim of the present study was to assess relative survival in those patients >or=80 years of age undergoing carotid endarterectomy...
Linkage of hospital and death records increased identification of dementia cases and death rate estimatesRenate R Zilkens
Centre for Population Health Research, School of Public Health, Curtin University of Technology, Perth, WA, Australia
Neuroepidemiology 32:61-9. 2009..To use health record data linkage to improve case ascertainment and death rate estimates of deaths with dementia...
Follow-up after endovascular aortic aneurysm repair: the plain radiograph has an essential role in surveillanceShirley Fearn
Centre for Health Services Research, School of Population Health, The University of Western Australia, Nedlands, Western Australia
J Endovasc Ther 10:894-901. 2003..We believe that the plain radiograph should be the cornerstone of aortic endograft surveillance. However, a standardized protocol should be used to avoid parallax and positioning errors that affect interpretation...
Decreasing rates of middle ear surgery in Western Australian childrenKatrina Spilsbury
Centre for Health Services Research, School of Population Health, University of Western Australia, Perth, Australia
Arch Otolaryngol Head Neck Surg 132:1216-20. 2006..To investigate temporal, social, demographic, and health care utilization factors associated with myringotomy with ventilation tube insertion (MVTI) in Western Australian (WA) children...
Subsequent surgery after initial breast conserving surgery: a population based studyKatrina Spilsbury
Western Australian Safety and Quality of Surgical Care Project, Centre for Health Services Research, School of Population Health, University of Western Australia, Western Australia, Australia
ANZ J Surg 75:260-4. 2005..The aim of this study was to investigate whether socio-economic, demographic or hospital factors were associated with the risk of re-excision or subsequent mastectomy...
Routine circumcision practice in Western Australia 1981-1999Katrina Spilsbury
Western Australian Safety and Quality of Surgical Care Project, Centre for Health Services Research, School of Population Health, University of Western Australia, Crawley, Australia
ANZ J Surg 73:610-4. 2003..Risk factors for a circumcision before 6 months of age include living in country areas and a middle socioeconomic status...
Ovarian cancer in Western Australia (1982-1998): trends in surgical intervention and relative survivalCrystal L Laurvick
Centre for Health Services Research, School of Population Health, The University of Western Australia, Nedlands, Western Australia, Australia
Gynecol Oncol 88:141-8. 2003..We aimed to review the utilisation and trends in surgical procedures for the primary management of ovarian cancer and the survival outcomes of patients surgically treated in Western Australia...
The Western Australian Audit of Surgical Mortality: advancing surgical accountabilityJames B Semmens
School of Population Health, M431, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia
Med J Aust 183:504-8. 2005..To describe the peer review process of the Western Australian Audit of Surgical Mortality (WAASM), selected outcomes and recommendations...
The effect of age on serum creatinine levels in an aging population: relevance to vascular surgeryJim Yu-Hsiang Tiao
Department of Biochemistry, The University of Western Australia, Nedlands, Australia
Cardiovasc Surg 10:445-51. 2002..The changes in serum creatinine concentration that occur with age is relevant in interpretation of the results of renal monitoring after intervention...
Significant nonsurgical risk factors for endophthalmitis after cataract surgery: EPSWA fourth reportJianghong Li
School of Population Health, The University of Western Australia, Crawley, Western Australia, Australia
Invest Ophthalmol Vis Sci 45:1321-8. 2004..CONCLUSIONS: It may be possible to reduce the incidence rate of postoperative endophthalmitis by almost 80% with a systematic approach to the management of elderly patients, hospital stay, and clinical protocols...
Disability burden due to stroke in Western Australia: new insights from linked data sourcesJudith M Katzenellenbogen
Centre for International Health, Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, WA, Australia
Int J Stroke 5:269-77. 2010..The disability-adjusted life year index is used extensively to compare disease burden among diseases and locations, but difficulties remain in accurately estimating the nonfatal stroke burden in years lived with disability...
Hospital chart review provided more accurate comorbidity information than data from a general practitioner survey or an administrative databaseDavid B Preen
Centre for Health Services Research, School of Population Health, The University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Australia
J Clin Epidemiol 57:1295-304. 2004..The accuracy of comorbidity data within the Western Australian Data Linkage System was evaluated by means of comparison with hospital charts and a general practitioner (GP) survey...
Circumcision for phimosis and other medical indications in Western Australian boysKatrina Spilsbury
Centre for Health Services Research, School of Population Health, University of Western Australia, 35 Stirling Highway, Crawley, WA 6009
Med J Aust 178:155-8. 2003..To investigate the incidence rate of circumcision for phimosis and other medically indicated reasons in Western Australian boys from 1 January 1981 to 31 December 1999...
Breast cancer and pregnancy: a diagnostic and management dilemmaPhilip J Puckridge
University Department of Surgery, Royal Perth Hospital, Perth, Western Australia, Australia
ANZ J Surg 73:500-3. 2003..Further population-based research in this area is needed, and is currently being undertaken in Western Australia...
Suprarenal fixation: effect on blood flow of an endoluminal stent wire across an arterial orificeKurt Liffman
Energy and Thermofluids Engineering, CSIRO/MIT, Highett, Victoria, Australia
J Endovasc Ther 10:260-74. 2003..Nonetheless, the analytical equations provided a useful approximation for determining the effect on blood flow due to the presence of a stent wire...
Modeling of antegrade and retrograde flow into a branch artery of the aorta: implications for endovascular stent-grafting and extra-anatomical visceral bypassIlija D Sutalo
Commonwealth Scientific and Industrial Research Organisation Materials Science and Engineering, Highett, Victoria, Australia
J Endovasc Ther 15:300-9. 2008..antegrade and retrograde flow characteristics in a branch of a conduit under typical pulsatile pressure and flows, seeking an answer to the question: "Does it matter whether inflow to a branch vessel is antegrade or retrograde?"..
Techniques to monitor for endophthalmitis and other cataract surgery complicationsJonathon Q Ng
Eye and Vision Epidemiology Research Group, School of Public Health, Curtin University, Perth, Australia
Ophthalmology 115:3-10. 2008..To report complication incidence to identify outliers more reliably, to provide feedback on performance, and to generate more timely alerts...
Large iliac arteries: a high-risk group for endovascular aortic aneurysm repairCiaran O McDonnell
Department of Vascular Surgery, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
J Endovasc Ther 14:625-9. 2007....
Treatment of infrarenal abdominal aortic aneurysms with oversized (36-mm) Zenith endograftsMarcel Goodman
Department of Vascular Surgery, Mount Hospital, Perth, Western Australia
J Endovasc Ther 14:23-9. 2007..To evaluate the outcome of treating infrarenal abdominal aortic aneurysms with unfavorable necks using the 36-mm Zenith endograft...
Adenoidectomy for middle ear effusion: a study of 50,000 children over 24 yearsAbdul Latif Kadhim
Department of Paediatric Otolaryngology, Princess Margaret Hospital, Perth, Western Australia
Laryngoscope 117:427-33. 2007..To compare the incidence and outcomes of myringotomy plus ventilation tube insertion (MVTI) alone and that concurrent with pharyngeal surgery (adenoidectomy, adenotonsillectomy, or tonsillectomy) at a population level...
Complete colonoscopy rarely misses cancerHooi C Ee
Department of Gastroenterology, Sir Charles Gairdner Hospital, Nedlands, Perth, Western Australia
Gastrointest Endosc 55:167-71. 2002..1 years; cancer was diagnosed at the subsequent procedure in 3 patients (0.6%). CONCLUSIONS: The high accuracy of colonoscopy is demonstrated by the low risk of harboring an advanced neoplastic lesion after a normal examination...
Short to midterm outcomes of fenestrated endovascular grafts in the treatment of abdominal aortic aneurysms: a systematic reviewZhonghua Sun
Department of Imaging and Applied Physics, Curtin University of Technology, Bentley, Western Australia
J Endovasc Ther 13:747-53. 2006..Preoperative renal impairment is a strong indicator of postoperative renal dysfunction. Long-term stability and patency of the fenestrated vessels deserves to be validated...
Cataract surgery practice and endophthalmitis prevention by Australian and New Zealand ophthalmologistsDeepinder S Rosha
School of Pharmacy, Curtin University of Technology, Bentley, and Department of Ophthalmology, Royal Perth Hospital, Western Australia, Australia
Clin Experiment Ophthalmol 34:535-44. 2006..53, 95% confidence interval 0.30-0.92). CONCLUSIONS: Subconjunctival antibiotics may be beneficial in the prevention of endophthalmitis after cataract surgery...
Experimental force measurements on a bifurcated endoluminal stent graft model: comparison with theoryIlija D Sutalo
Commonwealth Scientific and Industrial Research Organisation, Manufacturing and Infrastructure Technology, Highett, Victoria, Australia
Vascular 13:98-106. 2005..More research work will be required to determine whether the steady-state force model examined in this article provides a realistic determination of the forces on an endoluminal stent graft that is subject to pulsatile blood flow...
Reducing the risk for endophthalmitis after cataract surgery: population-based nested case-control study: endophthalmitis population study of Western Australia sixth reportJonathon Q Ng
Eye and Vision Epidemiology Research Group, School of Public Health, Curtin University, Bentley, Australia
J Cataract Refract Surg 33:269-80. 2007..To characterize operative and nonoperative risks for the potentially blinding complication of endophthalmitis after cataract surgery...
Endoluminal repair of mycotic thoracic aneurysmsBrendan M Stanley
Repatriation General Hospital, Adelaide, South Australia
J Endovasc Ther 10:511-5. 2003..To report a series of endoluminally repaired mycotic thoracic aneurysms...
Movement and dislocation of modular stent-grafts due to pulsatile flow and the pressure difference between the stent-graft and the aneurysm sacKurt Liffman
Commonwealth Scientific and Industrial Research Organisation CSIRO, Manufacturing and Infrastructure Technology, Highett, Victoria, Australia
J Endovasc Ther 13:51-61. 2006..To investigate the stability and movement of modular aortic stent-grafts subjected to oscillating forces from pulsatile blood flow, with particular reference to the thoracic aorta...
Infected endoluminal stent-graft: implications for endotension, late endoleaks, and prophylactic antibioticsDavid W Ferrar
Department of Vascular Surgery, Waikato Hospital, Hamilton, New Zealand
J Endovasc Ther 12:654-9. 2005..Prophylactic antibiotics against skin organisms should be considered for all implantations and arterial diagnostic and therapeutic procedures traversing a stent-graft...
Retrograde fenestration of endoluminal grafts from target vessels: feasibility, technique, and potential usageRichard G McWilliams
Royal Liverpool University Hospital, Liverpool, England, UK
J Endovasc Ther 10:946-52. 2003..To report initial experiments involving a new method for percutaneous intraprocedural stent-graft fenestration from the target vessel...
