ORCID Profile
0000-0002-2364-324X
Current Organisation
University of Sydney
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Publisher: Springer Science and Business Media LLC
Date: 11-01-2022
Publisher: BMJ
Date: 09-2022
DOI: 10.1136/BMJOPEN-2022-064478
Abstract: Hip fractures treated with total hip arthroplasty (THA) are at high risk of prosthesis instability, and dislocation is the most common indication for revision surgery. This study aims to determine whether dual mobility THA implants reduce the risk of dislocation compared with conventional THA in patients with hip fracture suitable to be treated with THA. This is a cluster-randomised, crossover, open-label trial nested within the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR). The clusters will comprise hospitals that perform at least 12 THAs for hip fracture per annum. All adults age ≥50 years who meet the Australian and New Zealand Hip Fracture Registry guidelines for THA will be included. The intervention will be dual mobility THA and the comparator will be conventional THA. Each hospital will be allocated to two consecutive periods, one of dual mobility THA and the other of conventional THA in random order, aiming for an average of 16 patients eligible for the primary analysis per group (32 total per site), allowing different recruitment totals between sites. Data will be collected through the AOANJRR and linked with patient-level discharge data acquired through government agencies. The primary outcome is dislocation within 1 year. Secondary outcomes include revision surgery for dislocation and all-cause, complications and mortality at 1, 2 and 5 years. If dual mobility THA is found to be superior, a cost-effectiveness analysis will be conducted. The study will aim to recruit 1536 patients from at least 48 hospitals over 3 years. Ethics approval has been granted (Sydney Local Health District - Royal Prince Alfred Hospital Zone (approval X20-0162 and 2020/ETH00680) and site-specific approvals). Participant recruitment is via an opt-out consent process as both treatments are considered accepted, standard practice. The trial is endorsed by the Australia and New Zealand Musculoskeletal Clinical Trials Network. ACTRN12621000069853.
Publisher: Elsevier BV
Date: 12-2023
Publisher: Springer Science and Business Media LLC
Date: 13-01-2022
Publisher: Wiley
Date: 06-12-2021
DOI: 10.1002/CAM4.3623
Publisher: Springer Science and Business Media LLC
Date: 28-10-2021
DOI: 10.1245/S10434-021-10902-5
Abstract: Laparoscopic-assisted surgery for rectal cancer is widely used, however the healthcare costs are thought to be higher than for open resection. This secondary endpoint analysis of a randomized controlled trial aimed to evaluate total healthcare costs of laparoscopic-assisted surgery compared with open resection for rectal cancer over a 12-month period. Patients in the Australasian Laparoscopic Cancer of the Rectum Trial (ALaCaRT) were included in a prospective costing analysis. All healthcare use for the index surgery and hospital admission, readmissions, and follow-up care over 12 months were included. Unit costs were valued in Australian dollars (AUD$) using scheduled Medicare fees and hospital cost weights. The primary outcome was mean per patient cost. Non-parametric bootstrapping with 10,000 replications was undertaken for robustness checks. Data from 468 patients indicated that the laparoscopic-assisted surgical procedure incurred a mean cost of AUD$4542 (standard deviation [SD] AUD$1050)-AUD$521 higher than the open procedure mean cost of AUD$4021 (SD AUD$804) due to longer operative time and involvement of more costly equipment (95% confidence interval [CI] AUD$354-AUD$692). At 12 months, the average cost for the laparoscopic-assisted and open groups was AUD$43,288 (SD AUD$40,883) and AUD$45,384 (SD AUD$38,659), respectively, due to the shorter subsequent hospital stays. No overall significant cost difference between groups was found (95% CI -AUD$9358 to AUD$5003). One-way sensitivity analyses confirmed the robustness of the results. While initially higher, the costs of laparoscopic-assisted surgery for rectal cancer were similar to open resection at 12 months. Clinicians may choose a surgical approach based on clinical need. The Australasian Gastro-Intestinal Trials Group (AGITG) was the legal sponsor and trial coordination was performed by the NHMRC Clinical Trials Centre. The trial was registered with the Australian and New Zealand Clinical Trial Registry (ACTRN12609000663257).
Location: Hong Kong
No related grants have been discovered for Chi-kin Law.