1,721,023 research outputs found

    L’accesso ai dati della ricerca : una luce in fondo al tunnel?

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    Riassunto. The recent update of a systematic review conducted by a group of researchers from the Cochrane Collaboration showed modest effectiveness of neuraminidase inhibitors in reducing hospitalizations in patients with influenza, and an even smaller impact of these drugs on overall mortality. However, the relevance of this systematic review mainly relies on the revolutionary methodology with which it was performed, as it included among the evidence considered findings from unpublished clinical study reports submitted by pharmaceutical companies to regulatory agencies. The paper by Jefferson et al. published in the BMJ as well as the campaigns supported by the same journal open a new phase that should bring greater transparency in the relationship between researchers, industry and government to the benefit of citizens

    Hemoperitoneum following sexual intercourse in a woman with deep infiltrating endometriosis

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    Endometriosis is an estrogen-dependent chronic inflammatory disease, defined by the presence of endometrial glands and stroma at ectopic sites. A rare and life-threatening complication associated with endometriosis is represented by spontaneous hemoperitoneum due to the rupture of utero-ovarian vessels. Most cases of spontaneous hemoperitoneum previously described involved pregnant women affected by endometriosis; here, we present a case of acute and massive hemoperitoneum in a nulliparous woman with deep infiltrating endometriosis. When acute abdominal pain with hemoperitoneum occurs in non-gravid reproductive age women, with no positive findings for liver or spleen lesions, a possible spontaneous rupture of utero-ovarian vessels related to the presence of deep infiltrating endometriosis should be included among the possible causes of the condition

    Adenomyosis: fertility and obstetric outcome : a comprehensive literature review

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    Adenomyosis is a benign condition characterized by the presence of endometrial glands and stroma deep within the myometrium. In recent years, the potential negative impact of adenomyosis on in vitro fertilization clinical outcomes has gained momentum, as well as, the possible link of this condition with obstetrical complications. The aim of this narrative review is to elucidate the possible association between uterine adenomyosis, infertility, and poor obstetrical outcomes. Several theories have been proposed to clarify the potential harmful impact of adenomyosis on fertility, such as a functional and structural defect of both the eutopic endometrium and the inner myometrium, an impairment of the uterine system of sperm transport, the presence of uterine dysperistalsis and of high levels of free radicals in the uterine milieu of women with the disease. Numerous studies have demonstrated that adenomyosis exerts a detrimental effect on in vitro fertilization outcomes, reducing pregnancy and live birth rates and increasing miscarriage rate. Regarding pregnancy outcomes data are scarce; however, epidemiological studies suggest that women with uterine adenomyosis could be at increased risk of numerous obstetrical complications, in particular, preterm birth and preterm premature rupture of membranes. These preliminary results are valuable for preconception and prenatal counseling of women with adenomyosis and suggest that this category of women necessitate a more cautious prenatal management than previously expected

    The complex interface between economy and healthcare : An introductory overview for clinicians

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    In a period of generalized economic crisis, it seems particularly appropriate to try to manage a continuing growing sector such as healthcare in the best possible way. The crucial aim of optimization of available healthcare resources is obtaining the maximum possible benefit with the minimum expenditure. This has important social implications, whether individual citizens or tax-funded national health services eventually have to pay the bill. The keyword here is efficiency, which means either, maximizing the benefit from a fixed sum of money, or minimizing the resources required for a defined benefit. In order to achieve these objectives, economic evaluation is a helpful tool. Five different types of economic evaluation exist in the health-care field: cost-minimization, cost-benefit, cost-consequences, cost-effectiveness and cost-utility analysis. The objective of this narrative review is to provide an overview of the principal methods used for economic evaluation in healthcare. Economic evaluation represents a starting point for the allocation of resources, the decision of the valuable investments and the division of budgets across different health programs. Moreover, economic evaluation allows the comparison of different procedures in terms of quality of life and life expectancy, bearing in mind that cost-effectiveness is only one of multiple facets in the decision making-process. Economic evaluation is important to critically evaluate clinical interventions and ensure that we are implementing the most cost-effective management protocols. Clinicians are called to fulfill the complex task of optimizing the use of resources, and, at the same time, improving the quality of healthcare assistance

    Peer review in medical journals: beyond quality of reports towards transparency and public scrutiny of the process

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    Published medical research influences health care providers and policy makers, guides patient management, and is based on the peer review process. Peer review should prevent publication of unreliable data and improve study reporting, but there is little evidence that these aims are fully achieved. In the blinded systems, authors and readers do not know the reviewers' identity. Moreover, the reviewers' reports are not made available to readers. Anonymous peer review poses an ethical imbalance toward authors, who are judged by masked referees, and to the medical community and society at large, in case patients suffer the consequences of acceptance of flawed manuscripts or erroneous rejection of important findings. Some general medical journals have adopted an open process, require reviewers to sign their reports, and links online pre-publication histories to accepted articles. This system increases editors' and reviewers' accountability and allows public scrutiny, consenting readers understand on which basis were decisions taken and by whom. Moreover, this gives credit to reviewers for their apparently thankless job, as online availability of signed and scored reports may contribute to researchers' academic curricula. However, the transition from the blind to the open system could pose problems to journals. Reviewers may be more difficult to find, and publishers or medical societies could resist changes that may affect editorial costs and journals' revenues. Nonetheless, also considering the risk of competing interests in the medical field, general and major specialty journals could consider testing the effects of open review on manuscripts regarding studies that may influence clinical practice

    Medical Treatment for Endometriosis: Tolerability, Quality of Life and Adherence

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    Endometriosis is associated with painful symptoms, infertility, sexological difficulties, and psychological suffering. All these symptoms have a negative impact on the overall quality of life of women with the disease, with significant personal, social and economic costs. Several medical options are available to manage symptomatic endometriosis. The pharmacological treatment for endometriosis-related pain may be necessary for decades, or at least until there is a desire for pregnancy or physiologic menopause occurs. In this perspective, clinicians should consider not only the efficacy, but also side effects, tolerability, and costs, along with women's preferences toward different treatments. In this mini-review, we analyzed the pros and cons of the available drugs for the medical therapy of endometriosis, such as estrogen-progestins, progestins, GnRH agonist and GnRH antagonists

    The ominous association between severe endometriosis, in-vitro fertilisation, and placenta praevia : Raising awareness, limiting risks, informing women

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    Endometriosis is associated with several adverse pregnancy outcomes.(1) The most severe maternal complications are spontaneous haemoperitoneum in the second half of pregnancy and placenta praevia.(1) Spontaneous haemoperitoneum, mostly associated with endometriosis infiltrating the broad and uterosacral ligaments and the Douglas pouch, is a potentially fatal but rare event. Placenta praevia is more common,(1-3) and it is important to define its incidence, the association with different lesion types, the impact of additional risk factors, the potential obstetrical consequences, and the information that women should receive

    Vitamin D and benign gynaecological diseases : a critical analysis of the current evidence

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    Vitamin D is a fat-soluble pro-hormone that plays an important role in bone homeostasis; beside this principal function, vitamin D promotes modulation of cell growth, neuromuscular and immune function, and reduction of inflammation. In addition, several in vitro and in vivo studies have demonstrated that vitamin D deficiency could increase the risk of cancer, autoimmune and cardiovascular diseases. Moreover, vitamin D plays also an important role in female reproduction, due to the fact that vitamin D receptors are expressed in ovarian tissue, endometrium, fallopian epithelial cells as well as in decidua and placenta. We aimed to review the most updated evidence, which suggests a link between vitamin D metabolism and the development of some gynaecological diseases, such as endometriosis, uterine fibroids, and polycystic ovary syndrome
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