Publications by authors named "Yazbeck C"

Article Synopsis
  • The study aimed to understand patient preferences regarding pen injectors used in Assisted Reproduction Technology (ART) in France, focusing on treatment adherence.
  • Using a discrete choice experiment with 155 women averaging 34 years old, researchers evaluated six attributes related to injector pens.
  • Results indicated that patients highly valued features like dose confirmation, digital dose counters, multi-use capabilities, and the convenience of ready-to-use pens.
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  • * Fifty-two fertility specialists reached an agreement on personalizing gonadotropin dosages according to factors like age and BMI, and preferred fresh transfers for low to normal responders while suggesting freeze-all strategies for high responders.
  • * The AMPLITUDE consensus emphasizes the need for optimizing ovarian stimulation protocols in assisted reproductive technology, with recommendations for future research to further enhance treatment outcomes.
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  • The French Bioethics Law now allows lesbian couples and single women to access medically assisted reproduction, including the use of cryopreserved gametes, raising questions about new applications of these gametes among various couples, particularly those including transgender individuals.
  • The study analyzes scenarios where a transgender woman's sperm is used within couples, rather than relying on gamete donation, highlighting existing practices and challenges faced by healthcare professionals.
  • There are inconsistencies and legal gaps related to using a trans woman's sperm under the new EUGIC framework, resulting in complexities for medical practitioners and raising issues around the rights and interests of the unborn child.
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Wildfire smoke (WFS) is a mixture of respirable particulate matter, environmental gases, and other hazardous pollutants that originate from the unplanned burning of arid vegetation during wildfires. The increasing size and frequency of recent wildfires has escalated public and occupational health concerns regarding WFS inhalation, by either individuals living nearby and downstream an active fire or wildland firefighters and other workers that face unavoidable exposure because of their profession. In this review, we first synthesize current evidence from environmental, controlled, and interventional human exposure studies, to highlight positive associations between WFS inhalation and cardiovascular morbidity and mortality.

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Background: Different split regimens of polyethylene glycol are routinely used and no guidelines are available to select an optimal protocol of ingestion. This study aims to compare the efficacy and side effect profile of two different regimens of polyethylene glycol bowel preparation solution: PEG (3 + 1) vs. PEG (2 + 2).

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  • Non-obstructive azoospermia (NOA) is a prevalent and complex issue with varied treatment options and no definitive guidelines, leading to differing management practices internationally.
  • A comprehensive survey with 336 responses from specialists in 49 countries explored current medical and surgical strategies for NOA, analyzing results against existing guidelines and offering expert recommendations.
  • Key findings included diverse approaches to hormonal therapy, significant variation in sperm retrieval success rates, and differing protocols around varicocele repair and follicle-stimulating hormone cutoff levels for sperm retrieval.
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Article Synopsis
  • * Conducted from July to September 2022, a questionnaire gathered responses from 367 doctors in 49 countries, focusing on how they diagnose NOA through methods like hormone tests and genetic analyses.
  • * The survey identified that while many practices align with guidelines, significant differences in approaches were found, underscoring the need for standardized, evidence-based international guidelines for NOA evaluation.
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  • The study investigates global practices for managing sperm DNA fragmentation (SDF) in infertile men, highlighting its impact on fertility and assisted reproductive technology (ART).
  • A survey collecting data from 436 reproductive experts across 55 countries revealed a common recommendation for lifestyle changes and antioxidants, with varying durations for treatment and differing management approaches for specific infertility cases.
  • The findings indicate a lack of uniformity in practices, emphasizing the need for standardized guidelines and expert consensus for treating men with elevated SDF.
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Objective: New possibilities for using gametes within a couple were created by the French law of August 2, 2021 related to bioethics by opening Assisted Reproductive Technics (ART) to all women. It concerns previously self-preserved gametes, thus avoiding the need for gamete donation. The objective of our study is to evaluate the perception of these new uses by ART practitioners.

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  • Thyroiditis refers to inflammation of the thyroid gland, with common types including Hashimoto, postpartum, and subacute thyroiditis, each displaying a pattern of hyperthyroidism followed by hypothyroidism.
  • Hashimoto thyroiditis is an autoimmune disorder that may show signs of hypothyroidism and requires lifelong hormone therapy for affected patients.
  • Treatment for thyroiditis varies: beta blockers for hyperthyroid symptoms, anti-inflammatories for pain, and clinical follow-up is important to monitor thyroid function over time.
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Severe primary hypothyroidism should be considered in the differential diagnosis of pituitary enlargement. Thyroid hormone replacement therapy should lead to regression of pituitary hyperplasia.

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Objectives: Polycystic ovarian syndrome (PCOS) brings complications in the management of the assisted reproductive technology (ART) because of an oocyte quality probably impaired due to modifications of intra- and extra-ovarian factors. Our study aimed to investigate the extended culture in PCOS patients and its influence on the cumulative live birth rates.

Methods: Fifty-nine PCOS patients (as defined by the Rotterdam criteria) and 114 normo-ovulatory patients (i.

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Despite advances in the field of male reproductive health, idiopathic male infertility, in which a man has altered semen characteristics without an identifiable cause and there is no female factor infertility, remains a challenging condition to diagnose and manage. Increasing evidence suggests that oxidative stress (OS) plays an independent role in the etiology of male infertility, with 30% to 80% of infertile men having elevated seminal reactive oxygen species levels. OS can negatively affect fertility a number of pathways, including interference with capacitation and possible damage to sperm membrane and DNA, which may impair the sperm's potential to fertilize an egg and develop into a healthy embryo.

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Evidence is cumulating on the adverse health effects of environmental exposures on health of the fetus and the childbearing mothers. Among mother's conditions, gestational diabetes mellitus has been considered rarely in spite of its importance for both mother and child. We determined the role of maternal exposure to lead (Pb), cadmium (Cd) and manganese (Mn) to gestational diabetes mellitus (GDM) on diagnosed GDM and impaired glucose tolerance (IGT) in diabetes-free mothers from the French EDEN mother-child cohort.

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Background: The few studies of the molecular biology of colorectal cancer (CRC) in Middle Eastern populations have included only small samples of patients.

Objective: Evaluate the frequency and prognostic effect of RAS, BRAF, PIK3CA, PTEN, and EGFR somatic mutations as well as mismatch repair (MMR) deficiency in Lebanese Middle Eastern patients.

Design: Retrospective single-center descriptive study.

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First-line diagnostic investigations for endometriosis are physical examination and pelvic ultrasound. The second-line investigations are: targeted pelvic examination performed by an expert clinician, transvaginal ultrasound performed by an expert physician sonographer (radiologist or gynaecologist), and pelvic MRI. Management of endometriosis is recommended when the disease has a functional impact.

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Objective: To investigate the relationship between serum P levels on the day of hCG administration and pregnancy outcomes in patients undergoing IVF.

Design: Retrospective study.

Setting: Teaching hospital.

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First-line investigations to diagnose endometriosis are clinical examination and pelvic ultrasound. Second-line investigations include pelvic examination performed by a referent clinician, transvaginal ultrasound performed by a referent echographist, and pelvic MRI. It is recommended to treat endometriosis when it is symptomatic.

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The article presents French guidelines for surgical management of endometriosis. Surgical treatment is recommended for mild to moderate endometriosis, as it decreases pelvic painful complaints and increases the likelihood of postoperative conception in infertile patients (A). Surgery may be proposed in symptomatic patients with ovarian endometriomas which diameter exceeds 20mm.

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Surgical management of ovarian endometrioma is most often part of a global approach of endometriosis pathology. Isolated endometrioma are rare. Laparoscopic cystectomy is the gold standard for surgical management of endometrioma.

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Background: Lung is the second most common site of colorectal cancer metastasis. Treatment is based mainly on systemic therapy which has largely evolved lately, but outcome remains relatively poor. The place of locoregional therapies as curative strategies is still debated.

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