Publications by authors named "Rick Catterwell"

Article Synopsis
  • This study examines preventable factors linked to perioperative mortality in major renal surgeries by analyzing data from the ANZASM database covering 2005 to 2015.
  • A total of 89 cases of mortality were reviewed, leading to the identification of 68 Clinical Management Issues (CMIs), with most concerning pre-operative assessment and optimization, especially around the decision to operate.
  • The findings indicate that improving pre-operative evaluations and addressing intra-operative challenges, such as major vascular injuries and delays in surgical conversion, could significantly reduce mortality rates in these surgeries.
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Active surveillance remains a treatment option for low- to intermediate-risk prostate cancer (PCa) patients. Prostate-specific membrane antigen positron emission tomography and computed tomography (PSMA PET/CT) has emerged as a useful modality to assess intraprostatic lesions. This systematic review aims to evaluate PSMA PET/CT in localized low- to intermediate-risk PCa to determine its role in active surveillance.

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Background: In the era of minimally invasive surgery, it is clear that a robust simulation model is required for the training of surgeons in advanced abdominal wall reconstruction. The purpose of this experimentation was to evaluate whether a porcine model could be used to teach advanced minimally invasive abdominal wall dissection techniques to novice surgeons. Secondary objectives included: time to completion, identification of various anatomical landmarks, to note the difference in porcine and human models and finally, the ability to dock a Da Vinci Xi robotic platform on the porcine model.

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Purpose: Ureteric stents placed after ureteroscopy typically require cystoscopy for removal. Stent extraction strings allow the option of patient self-removal. This facilitates shorter stent dwell time, and cost-savings.

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Objectives: The prognostic capacity of positive surgical margins (PSM) for biochemical recurrence (BCR) is unclear, with inconsistent findings across published studies. We aimed to systematically review and perform a meta-analysis exploring the impact of Positive surgical margin length on biochemical recurrence in men after radical prostatectomy.

Methods: A search was conducted using the MEDLINE, Scopus, Embase and Cochrane databases according to the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines.

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Objectives: To systematically review and perform a meta-analysis of studies investigating the role of primary Gleason grade (PGG), Gleason score (GS) or Gleason grade group (GGG) at positive surgical margins (PSMs) after radical prostatectomy (RP) in predicting biochemical recurrence (BCR) and oncological outcomes.

Methods: A systematic search was conducted using the MEDLINE, Scopus, Embase and Cochrane databases according to Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. Studies published between 2005 and 2019 were included.

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Introduction: Positive surgical margins (PSM) in cancer patients are commonly associated with worse prognosis and a higher risk of secondary treatment. However, the relevance of this parameter in prostate cancer patients undergoing radical prostatectomy (RP) remains controversial, given the inconsistencies in its ability to predict biochemical recurrence (BCR) and oncological outcomes. Hence, further assessment of the utility of surgical margins for prostate cancer prognosis is required to predict these outcomes more accurately.

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In the pre-targeted therapy era, palliative cytoreductive nephrectomy combined with cytokine immunotherapy was the standard treatment protocol for the management of metastatic renal cell carcinoma. The introduction of targeted therapies has improved response rates, median survival and overall prognosis when compared to immunotherapy. The role of cytoreductive nephrectomy in providing an independent survival advantage when used alongside immunotherapy has been demonstrated by two randomised controlled trials.

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