Publications by authors named "Patrick Julien Treacy"

Radiological embolisation has emerged as a safe and effective alternative to surgery for varicocele treatment. While systematic reviews have compared embolisation to surgery, attempts to compare different embolisation materials have been limited. The objective was to conduct a systematic review assessing the potential benefits of combining coils with sclerosants for varicocele embolisation on fertility, pain, recurrence and complication rates in male patients, as compared to using coils alone.

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The presence of seminal vesicle invasion (SVI) in prostate cancer (PCa) is associated with poorer postoperative outcomes. This study evaluates the predictive value of magnetic resonance imaging (MRI) and prostate-specific membrane antigen positron emission tomography/computed tomography (PSMA PET/CT) for SVI in PCa. This cohort study included consecutive robotic prostatectomy patients for PCa at three Australian tertiary referral centres between April 2016 and September 2022.

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This case series describes the experiences and outcomes of multiple Australian surgeons performing robotic-assisted bladder diverticulectomy (RABD), highlighting the procedural effectiveness and safety, for both benign and malignant indications for diverticulectomy. Outcomes were analyzed from 13 experienced Australian urologists who performed RABD between 2016 and 2023. Retrospective analysis was performed on prospectively collected data, which included patient demographics, diverticulum characteristics, surgical approaches, and post-operative outcomes.

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Background: Prostate cancer is often considered a disease of older men and this indeed fits with its peak incidence between 65-79 years of age. Reports of prostate cancer in men younger than 40 years of age and the outcomes of this age group following treatment are few in the literature. Here, we present the case of an unusual diagnosis of high grade prostate cancer in a very young man and outline early outcomes following treatment with robotic-assisted radical prostatectomy.

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Purpose: This study aimed to evaluate what objectives are most important to men undergoing radical prostatectomy to allow treating physicians to personalize perioperative counselling and improve patient quality of life outcomes.

Materials And Methods: A predefined search protocol of the Medline and Embase databases was performed from database inception to May 2023. The search was limited to English language and full text.

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Objectives: To explore the association between preoperative mental health status and surgical outcomes following robotic-assisted radical prostatectomy (RARP).

Methods: This cohort study included consecutive patients undergoing RARP surgery for prostate cancer between October 2016 and May 2022 at a major public hospital in Sydney, Australia. The primary outcome was preoperative self-reported mental health status measured using the mental component score from the Short Form 36 survey.

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Article Synopsis
  • - The study evaluated the genomic risk in patients with persistent prostate-specific antigen (PSA) levels after radical prostatectomy surgery using mRNA expression and a prognostic genomic-risk classifier.
  • - A total of 564 patients were analyzed, with 61 exhibiting persistent PSA; key findings included higher preoperative PSA levels and Gleason Scores in the persistent group, with significant predictors identified as Decipher Score and preoperative PSA levels.
  • - The research discovered two genes, SERPINB11 and PDE11A, that were significantly upregulated in the persistent PSA group, highlighting unique genomic features associated with worse prognosis in these patients.
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Article Synopsis
  • The study aimed to explore the link between genomic characteristics of connective tissue and negative clinical outcomes in patients who underwent radical prostatectomy for localized prostate cancer.
  • A retrospective analysis of 695 patients revealed significant variations in the expression of selected connective tissue genes, indicating a correlation with clinical features like extra-capsular extension (ECE), lymph node (LN) invasion, and early biochemical recurrence (eBCR).
  • Results showed that higher Decipher scores, associated with gene overexpression, correlated with worse progression-free survival (PFS) and clinical conditions, highlighting the potential prognostic significance of connective tissue gene expression in prostate cancer.
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Background And Objective: Multi-photon microscopy (MPM) is a 3-dimension fluorescence imaging technique that combines the excitation of two low-energy photons, enabling less photo-bleaching and deeper penetration of the imaged tissue. Two signals are detected, autofluorescence (AF), from natural intracellular fluorophores [such as nicotinamide adenine dinucleotide phosphate (NADP) and flavine adenine dinucleotide (FAD) transformation], and second harmonic generation (SHG), a physical property of the laser enhancing non-centrosymmetric structures such as collagen fibers. MPM can give both visual and quantitative information of a fresh tissue (without the need of processing, cutting or staining the tissue), aiding in the progress towards optimizing a real-time imaging device.

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Prostate cancer is a heterogeneous disease that remains dormant for long periods or acts aggressively with poor clinical outcomes. Identifying aggressive prostate tumor behavior using current glandular-focused histopathological criteria is challenging. Recent evidence has implicated the stroma in modulating prostate tumor behavior and in predicting post-surgical outcomes.

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Introduction: Various surgical centers tend to postpone a kidney transplantation (KT) to the following morning than to operate at night-time. The objective of our study was to assess whether there was any difference between daytime and night-time renal transplantation in our institution.

Method: This study is a retrospective monocentric study including all the KTs that were performed between 2012 and 2013 by transplant expert surgeons in our institution.

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Background: A common side effect following radical prostatectomy is urinary incontinence. Here, we describe a novel surgical technique to reduce postoperative urinary incontinence and facilitate early return of continence.

Objective: To describe the novel "hood technique" for robotic-assisted radical prostatectomy (RARP).

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Objectives: To evaluate if the blood biomarker, 4Kscore, in addition to multiparametric magnetic resonance imaging information could identify patients who would benefit from undergoing only a targeted biopsy.

Methods: We retrospectively analyzed a population of 256 men with positive multiparametric magnetic resonance imaging who underwent standard + targeted biopsy at Mount Sinai Hospital, New York, NY, USA. 4Kscore (OPKO Health, Miami, FL, USA) was sampled from all patients before biopsy.

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Background: The role of race on functional outcomes after robotic partial nephrectomy (RPN) is still a matter of debate. We aimed to evaluate the clinical and pathologic characteristics of African American (AA) and Caucasian patients who underwent RPN and analyzed the association between race and functional outcomes.

Methods: Data was obtained from a multi-institutional database of patients who underwent RPN in 6 institutions in the USA.

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Background: Presently, no level I evidence is available to support the use of neoadjuvant chemotherapy (N)(AC) in patients diagnosed with high-grade upper tract urothelial carcinoma (UTUC). We aimed to compare outcomes of patients treated with radical nephroureterectomy (RNU) who received NAC vs. those who received AC.

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Purpose: To determine the potential role of bioptic inflammation (Irani score) in predicting adverse pathology (AP) at radical prostatectomy (RP) in patients with low-grade (ISUP Gleason Group [ISUP GG] 1 and 2) prostate cancer (CaP).

Methods: After institutional review board-approval, we identified patients who underwent prostate biopsy, had bioptic Irani score assessment, were diagnosed with low-grade CaP (ISUP GG 1-2, prostate-specific antigen [PSA] <20 ng/ml), and underwent RP. The impact of standard clinicopathological variables and bioptic Irani Score (G = grade and A = aggressiveness) on AP at RP, defined as stage ≥T3 and/or ISUP GG ≥3, was assessed by univariate and multivariate logistic regression analysis.

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Background: Prediction of extra-prostatic extension (EPE) in men undergoing radical prostatectomy (RP) is of utmost importance. Great variability in the performance of multiparametric magnetic resonance imaging (mpMRI) has been reported for prediction of EPE. The present study aimed to determine the diagnostic performance of mpMRI for predicting EPE in different National Comprehensive Cancer Network (NCCN) risk categories.

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Purpose: We compared the performance of multiparametric magnetic resonance imaging for the prediction of extraprostatic extension in African American and Caucasian American men and evaluated racial disparities in pathological outcomes after radical prostatectomy.

Materials And Methods: We identified 975 patients who underwent radical prostatectomy with preoperative multiparametric magnetic resonance imaging between January 2013 and April 2019 at our institution. Multivariable logistic regression analysis was performed predicting pathological extraprostatic extension, high grade prostate cancer (final pathology GGG [Gleason Grade Group] 3 or greater) in the overall population and pathological upgrading (final pathology GGG 3 or greater) in patients with a diagnosis of GGG 1-2 prostate cancer.

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Objective: To evaluate the ability to detect clinically significant prostate cancer (PCa) using a novel electromagnetically (EM) tracked transperineal magnetic resonance imaging (MRI)/ultrasonography (US) fusion-guided targeted biopsy (transperineal TBx) platform and the impact of inter-reader variability on cancer detection.

Materials And Methods: A total of 176 patients with suspicious lesions detected on multiparametric MRI (mpMRI) underwent a systematic modified Barzel template biopsy (12-core) transperineal biopsy (transperineal SBx) and transperineal TBx with EM tracking (UroNav; Philips Healthcare, Best, the Netherlands) in the same setting. Cancer detection rates (CDRs) were stratified by Prostate Imaging Reporting and Data System (PI-RADS) v2 scores and compared with Fisher's exact test.

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Introduction: Obesity can lead to pelvic floor disorders, interfering with women's sexual life; Prolapse/Incontinence Sexual Questionnaire-International Urogynecology Association-Revised (PISQ-IR) is a new instrument to measure sexual life in women with pelvic floor disorders.

Aims: To assess the utility of using PISQ-IR in morbidly obese women undergoing bariatric surgery and to show the improvement of bariatric surgery on sexuality.

Methods: This prospective monocentric study included all women who underwent bariatric surgery from June 2016-May 2017.

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The 2019 European Association of Urology guidelines recommend multiparametric magnetic resonance imaging (mpMRI) for biopsy-naïve patients with clinical suspicion of prostate cancer (PC) and avoiding biopsy in patients with negative mpMRI and low clinical suspicion. However, consensus on the optimal definition of low clinical suspicion is lacking. We evaluated 266 biopsy-naïve patients who underwent mpMRI, the 4Kscore test, and prostate biopsy to define the best strategy to avoid unnecessary testing and biopsies.

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Article Synopsis
  • This study analyzed data from 536 patients who had robot-assisted laparoscopic radical prostatectomy to identify factors related to downgrading of Grade groups (GG) from biopsy to final pathology.
  • Downgrading occurred in 14.1% of patients, with a higher rate in those undergoing fusion biopsy compared to standard biopsy (23.7% vs. 12.2%).
  • Key factors linked to downgrading included the use of fusion biopsy and the maximum percentage of core involvement, but this downgrading did not significantly impact surgical outcomes.
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Benign prostatic hyperplasia (BPH) is a common pathology in elderly patients, inducing lower urinary tract symptoms. The treatment of BPH is first a medical option, then a surgical treatment, either by endoscopy or open surgery. We here report a case of GreenLight HPS™ laser photovaporization (PV) with an impaired maintenance of median lobe postoperatively, unimportant on functional results.

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Ureteral stenosis is part of the common complications of renal graft reported in 3% to 7% of cases. Multiple treatments have been introduced regarding length and position of the stenosis. Metal stents for urologic purpose were created in 1998.

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