Publications by authors named "Sibert L"

Background: There is little consensus on how to make a diagnosis announcement of severe chronic disease in neurology. Other medical specialties, such as oncology, have developed assessment methods similar to the Objective Structured Clinical Examination (OSCE) to address this issue. Here we report the implementation of an OSCE focused on the diagnosis announcement of chronic disease in neurology by residents.

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Introduction: The COVID-19 pandemic disrupted all routine health care services in 2020. To date, data regarding adjustment and coverage of surgical backlog in the post-COVID era actually remains scarce. The aim of this study was to compare the number of urological procedures coded between 2019 and 2021 in public and private institutions to (i) quantify the variation in surgical activity linked to the shutdown in 2020 and (ii) study the adjustment of procedures over the year 2021.

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Unlabelled: Video abstracts have been proposed as a tool to disseminate research through to social networks. However, its association with metrics of research dissemination has not been adequately investigated, particularly in the field of medical research. The aim of this study was to assess the association between video abstracts and citations, views and Altmetric Attention Score (AAS) of research papers.

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Background: Healthcare curricula need summative assessments relevant to and representative of clinical situations to best select and train learners. Simulation provides multiple benefits with a growing literature base proving its utility for training in a formative context. Advancing to the next step, "the use of simulation for summative assessment" requires rigorous and evidence-based development because any summative assessment is high stakes for participants, trainers, and programs.

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Objectives: Prior to benign prostate surgery, the patient's informed consent is mandatory. Among the multiple source of information for patients, social networks are very popular, but the quality of information delivered is unknown. The aim of this study was to evaluate the quality of the information freely available for patients on YouTube™ regarding HoLEP.

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Context: Objective structured clinical examination (OSCE) became a national exam at the end of medical studies in France. The aim of this study was to identify the predictive factors for success at OSCEs.

Methods: Aurvey query after the OSCEs was completed by fifth-year medicine students at Rouen Uuniversity.

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Background: Testicular tissue freezing is proposed for fertility preservation to (pre)pubertal boys with cancer before highly gonadotoxic treatment. Studies accurately comparing human (pre)pubertal testicular tissue quality before freezing and after thawing are exceptional. No study has reported this approach in a systematic manner and routine care.

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Telomere length can be influenced by reactive oxygen species (ROS) generated by lifestyle factors or environmental exposure. We sought to determine whether oxidative stress has an impact on sperm nuclear alterations, especially on chromatin organization and telomere interactions in the spermatozoa of infertile males. We performed an observational and prospective study including fifty-two males, allocated in the "case group" (30 infertile males presenting conventional semen parameter alterations) and the "control group" (22 males with normal conventional semen parameters).

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Introduction: Fertility preservation is essential before cancer treatment. When ejaculated sperm preservation is not possible, testicular tissue can be surgically collected by Onco-TESE technic (Oncological Testicular Sperm Extraction) to isolate sperm. We report on our experience with Onco-TESE in testicular cancer patients at the Rouen University Hospital.

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Research Question: Can cannabis consumption alter sperm nuclear integrity in infertile men?

Design: A retrospective cross-sectional study conducted between July 2003 and December 2013, which included 54 men who consulted for male-factor infertility. Twenty-seven infertile men who were regular cannabis users were matched to 27 infertile men who were cannabis non-users. To complement the conventional semen parameter and plasma hormone level assessments, sperm nuclear alterations were explored using fluorescence in-situ hybridization to assess numerical chromosomal abnormalities, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labelling to investigate DNA fragmentation, aniline blue staining to examine chromatin condensation and a motile sperm organelle morphology examination to detect vacuoles in sperm heads.

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Purpose: The impact of sperm DNA damage on intracytoplasmic sperm injection (ICSI) outcomes remains controversial. The purpose of the study was to evaluate the prognostic value of several types of sperm nuclear damage on ICSI clinical pregnancy.

Methods: Our retrospective study included a total of 132 couples who consulted for male or mixed-factor infertility that benefited from ICSI cycles from January 2006 to December 2015.

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Spermatozoa have occasionally been identified in ejaculate of adult Klinefelter syndrome (KS) patients but very exceptionally in KS adolescents. Spermatozoa can also be retrieved in testicular tissue of KS adolescents. The testis may also harbor spermatogonia and noncompletely differentiated germ cells.

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Introduction: Since the law of 4 July 2001, vasectomy has been recognized as a method of male contraception. We report the experience of vasectomy practice in a hospital-university center.

Methods: A monocentric retrospective cohort study of 45 patients who benefited from a contraceptive vasectomy between July 2001 and May 2016.

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Aim: Holmium laser enucleation of prostate (HoLEP) is renowned for the difficulty of its learning curve. Our aim was to evaluate the interest of a three-step tutorial in the HoLEP learning curve, in a university center.

Methods: It is a retrospective, monocentric study of the 82 first procedures done consecutively by the same operator with a proctoring in early experience and after 40 procedures.

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Study Objective: Clinical reasoning by anesthesiology residents in emergency situations where optimal management is uncertain could be improved by setting up a tutored practice exchange group. This study attempted to evaluate the impact of a practice exchange group (PEG), tutored by a senior anesthesiologist, on anesthesiology residents in emergency situations. Changes in clinical reasoning were measured by script concordance tests (SCT).

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Crohn's disease is a systemic disease and sometimes involves the testicle, usually leading to granulomatous lesions. We report herein a case of focal non-granulomatous orchitis in a 21-year-old patient with active Crohn's disease treated by an anti-tumor necrosis factor monoclonal antibody. This circumscribed testicular lesion mimicked a tumor, leading to orchiectomy.

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Gangrene of the penis is a rare and serious complication of end stage renal disease, being an expression of systemic calciphylaxis. We report the case of a 58-year-old patient with chronic renal failure and diabetes, who presented with a necrosis of the gland. MRI defined the limits of necrosis.

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The morphological and histological changes related to testicular aging are: volume decrease, arteriolar sclerosis, degeneration of Leydig cells and Sertoli, depletion of germ cells and thickening of the tunica albuginea testis. The participation in testicular androgen decline in aging is related to the decrease in the number of Leydig cells associated with alterations in the functioning of the hypothalamic-pituitary axis Sperm volume, concentration and total number, motility and morphology of sperm decrease with aging male. The interindividual variability of sperm parameters, the variability of methodologies for data collection and selection of patients must be careful in interpreting the published results.

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