Publications by authors named "Bogdan Petrut"

Non-muscle-invasive bladder cancer (NMIBC) is common and heterogeneous, requiring risk-adapted therapeutic strategies. BCG remains standard for intermediate- and high-risk forms, but its effectiveness is influenced by limited access, variable tolerance, treatment resistance, and healthcare system disruptions. Material and This retrospective study aimed to identify prognostic factors for survival with an additional assessment of the influence of the COVID-19 pandemic.

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Purpose Of Review: Standardized treatment of bladder diverticula is not defined. The majority of evidence comes from single-centre case series and high-quality studies are lacking.

Recent Findings: Surgery is the preferred option to treat a symptomatic bladder diverticulum.

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Background And Aims: Sealing devices can produce mechanical and thermal damage to collateral tissue, with few studies analyzing these effects. However, the least harmful device for the surrounding tissue will achieve optimal functional results.

Methods: We compared the tissue damage made by different laparoscopic electro-cauterization instruments while using them as hemostatic means on the stomach and epiploon of Wistar rats, respectively on the diaphragm and urinary bladder of a porcine model.

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Iatrogenic ureteral strictures are uncommon but challenging to manage. We present our expertise in laparoscopic and robot-assisted laparoscopic ureteroureterostomy (LUU and RAUU) for lumbar and iliac strictures and laparoscopic ureteral reimplantation for pelvic strictures. A descriptive study was conducted on nine adult patients who underwent minimally invasive procedures.

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: The aim of this study was to investigate the relationship between age, the severity of erectile dysfunction (ED), and the various hormones that may influence erectile function. : A multicenter cross-sectional study was conducted between January 2015 and December 2023. The study assessed age, sexual function using the IIEF-15 questionnaire, and the levels of total testosterone (TT), free testosterone (FT), FSH, LH, estradiol, prolactin (PRL), and SHBG.

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Neuromorphic computing shows promise for advancing computing efficiency and capabilities of AI applications using brain-inspired principles. However, the neuromorphic research field currently lacks standardized benchmarks, making it difficult to accurately measure technological advancements, compare performance with conventional methods, and identify promising future research directions. This article presents NeuroBench, a benchmark framework for neuromorphic algorithms and systems, which is collaboratively designed from an open community of researchers across industry and academia.

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Neuroscience education is challenged by rapidly evolving technology and the development of interdisciplinary approaches for brain research. The Human Brain Project (HBP) Education Programme aimed to address the need for interdisciplinary expertise in brain research by equipping a new generation of researchers with skills across neuroscience, medicine, and information technology. Over its ten year duration, the programme engaged over 1,300 experts and attracted more than 5,500 participants from various scientific disciplines in its blended learning curriculum, specialised schools and workshops, and events fostering dialogue among early-career researchers.

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: The aim of this study was to assess the predictive factors associated with transient urine incontinence (TUI) following holmium laser enucleation of the prostate (HoLEP). : A retrospective analysis was conducted on a prospectively maintained database containing the first 149 consecutive HoLEP cases between June 2022 and December 2023. The study recorded several patient characteristics, and preoperative data such as IPSS score, total gland volume, preoperative catheterization, Qmax, and PVR volume were collected.

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Article Synopsis
  • European laparoscopic urological skills (LUSs2) curriculum is being developed to fill the gap in intermediate and advanced training for laparoscopic surgical procedures in urology, promoting uniformity and proficiency among practitioners.
  • A Delphi survey with international experts helped create this curriculum; it achieved consensus on 85% of the evaluated statements regarding crucial laparoscopic procedures.
  • The new curriculum aims to enhance surgical education standards, improve surgical skills, and ultimately provide better patient care, although some limitations and potential biases in the process were noted.
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MicroRNAs (miRNAs) are a class of small non-coding RNAs that may function as tumor suppressors or oncogenes. Alteration of their expression levels has been linked to a range of human malignancies, including cancer. The objective of this investigation is to assess the relative expression levels of certain miRNAs to distinguish between prostate cancer (PCa) from benign prostatic hyperplasia (BPH).

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Purpose: This study aimed to evaluate the indirect effect of the Coronavirus Disease 2019 (COVID-19) pandemic on the surgical outcomes and oncological results of patients who underwent surgery during the lockdown period.

Methods: We analysed data from 423 patients who underwent radical prostatectomy between 2016 and 2022, with a cut-off date of March 16, 2020. Patients were categorised into two groups, namely, pre-lockdown (n = 289) and during lockdown (n = 134).

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Purpose: To analyze the perioperative factors that influence the risk of biochemical recurrence (BCR) in patients with localized PCa undergoing radical prostatectomy Materials and Methods: A total of 457 patients, operated by 2 surgeons in our high-volume oncological center were included in the initial database. Patients who underwent RP for clinically localized PCa in our clinic from 2016 to 2021 were included in the study. Perioperative data were retrospectively reviewed for this study.

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Article Synopsis
  • Prostate adenocarcinoma is influenced by both coding and non-coding genes, including the crucial gene TP53, which interacts with specific microRNAs that may serve as biomarkers for diagnosis and treatment.
  • Researchers analyzed TCGA data and validated findings using patient samples to explore the relationship between TP53 and select miRNAs (miR-15a-5p, miR-34a-5p, miR-141-3p).
  • Their results revealed TP53 is overexpressed in prostate cancer and identified these miRNAs as part of a network crucial for tumor regulation, indicating their potential as future therapeutic targets.
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We report the case of a 63-year-old male patient presenting left renal cell carcinoma (75/70/60 mm) associated with retroperitoneal lymph node masses (peri hilar of 15 mm; lombo-aortic of 50/40/30 mm), known also with chronic obstructive pulmonary disease GOLD4, sleep apnea and asthma with oxygen-dependent chronic obstructive respiratory insufficiency, a BMI of 37 with grade III obesity. Surgical treatment was performed using a 3D transperitoneal laparoscopic approach. The surgery lasted 131 minutes, with 400 ml blood loss and grade 1 Clavien-Dindo post operative complications.

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Unlabelled: Prostate cancer biology is complex, and needs to be deciphered. The latest evidence reveals the significant role of non-coding RNAs, particularly microRNAs (miRNAs), as key regulatory factors in cancer. Therefore, the identification of altered miRNA patterns involved in prostate cancer will allow them to be used for development of novel diagnostic and prognostic biomarkers.

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Introduction And Importance: Upper tract urothelial carcinoma (UTUC) is a highly systemic aggressive disease with a tendency of rapid lymph node invasion and metastasis presenting poor oncologic outcomes. Ureteral localization of tumors leads to hydronephrosis and early invasion of the muscle wall, being categorized as high risk tumors.

Case Presentation: A 70 years old female was diagnosed with lower left ureteral urothelial tumor associated with hydronephrosis and paraaortic and iliac enlarged lymph nodes.

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This work presents the first simulation of a large-scale, bio-physically constrained cerebellum model performed on neuromorphic hardware. A model containing 97,000 neurons and 4.2 million synapses is simulated on the SpiNNaker neuromorphic system.

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Colon cancer is the third most common cancer type worldwide and is highly dependent on DNA mutations that progressively appear and accumulate in the normal colon epithelium. Mutations in the gene appear in approximately half of these patients and have significant implications in disease progression and response to therapy. miR-125b-5p is a controversial microRNA with a dual role in cancer that has been reported to target specifically in colon adenocarcinomas.

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Prostate cancer (PCa) remains one of the leading causes of cancer-related mortality in men worldwide, mainly due to unsatisfactory diagnostic methods used at present, which lead to overdiagnosis, unnecessary biopsies and treatment, or misdiagnosis in early asymptomatic stages. New diagnostic biomarkers are needed for a correct and early diagnosis. Long noncoding RNAs (lncRNAs) have been broadly studied for their involvement in PCa biology, as well as for their potential role as diagnostic biomarkers.

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Purpose: Indocyanine green (ICG) is being used more and more in Urology along with advances in minimal invasive surgery, guiding excision and reconstruction, highlighting anatomic structures and functional features with oncologic guidance still being debatable. The purpose of this paper was to explore ICG use in urologic procedures.

Methods: We present our experience (37 cases) of using ICG fluorescence guidance in urologic operations performed using 3D laparoscopy and FireFly® fluorescence imaging mode of Da Vinci X robot.

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Article Synopsis
  • The study explores the use of laparoscopic radical cystectomy and nephroureterectomy for patients with recurrent bladder cancer and upper urinary tract tumors, highlighting initial experiences from a clinical setting.
  • Between 2018 and 2019, 4 patients underwent this dual procedure, which was conducted laparoscopically without any conversions to open surgery, demonstrating an average operation time of 286.25 minutes and minimal blood loss.
  • Results indicated a safe and effective approach, with no major complications and an average follow-up of 8.75 months, suggesting this method may offer a viable alternative to traditional open surgery.
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Prostate cancer represents the most encountered urinary malignancy in males over 50 years old, and the second most diagnosed after lung cancer globally. Digital rectal examination and prostatic specific antigen were the long-time standard tools for diagnosis but with a significant risk of overdiagnosis and overtreatment. Magnetic resonance imaging recently entered the diagnosis process, but to this date, there is no specific biomarker that accurately indicates whether to proceed with the prostate biopsy.

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Introduction: We report the case of a 69 y.o. man with a left solitary kidney presenting 3 tumoral masses and suspicion of a left adrenal nodular tumor.

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