oestrogens

雌激素
  • 文章类型: Journal Article
    性类固醇激素的发生,viz.雌激素和孕激素,在水生生态系统中,由于它们作为内分泌干扰化学物质的作用而受到全球关注,即使在低浓度(μgL-1或更低)。因此,必须监测这些有机污染物,以真实地了解它们的存在,并控制它们在环境水体中的污染水平。在这方面,我们已经探索了使用自制的聚合物膜作为微萃取17β-雌二醇的新型吸附相,17α-炔雌醇,estrone,黄体酮,醋酸甲羟孕酮和羟孕酮。已经开发了薄膜微萃取程序,评估不同的胶片成分,样品体积和洗脱条件以回收吸附的分析物。总体方法提供良好的重现性(RSD<12%)和高于60%的回收率。最终方法已应用于意大利北部地表水(河流和湖泊样品)和城市污水处理厂废水和进水的环境监测,获取这个高度城市化地区的污染快照。
    The occurrence of sex steroid hormones, viz. oestrogens and progestins, in aquatic ecosystems is of global concern due to their role as endocrine disrupting chemicals, even at low concentration (μg L-1 or less). Thus, it is essential to monitor these organic pollutants to get a realistic picture of their presence and to control their contamination levels in environmental water bodies. In this respect, we have explored the use of self-prepared polymeric films as novel sorptive phase for the microextraction of 17β-estradiol, 17α-ethinylestradiol, estrone, progesterone, medroxyprogesterone acetate and hydroxyprogesterone. The thin film microextraction procedure has been developed, evaluating different film compositions, sample volumes and elution conditions to recover the sorbed analytes. The overall method provides good reproducibility (RSD < 12%) and recoveries higher than 60%. The final method has been applied to environmental monitoring in surface waters (river and lake samples) and urban wastewater treatment plant effluents and influents from Northern Italy, to get a contamination snapshot of this highly urbanized area.
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  • 文章类型: Journal Article
    背景:对于性腺机能减退的女孩,建议口服或经皮给药17β-雌二醇的天然雌激素用于青春期诱导。然而,合适的低剂量制剂在全球范围内并不一致。这项问卷调查旨在确定全球雌激素和孕激素制剂的当前可用性。
    方法:ESPE特纳综合症工作组认可,问卷针对儿科内分泌学家.问题集中在口服/透皮17β-雌二醇和孕激素制剂的可及性上。回应是通过ESPE渠道传播的SurveyMonkey调查收集的,直接外展,以及2020年6月至2022年12月的会议。
    结果:参与包括来自45个国家的229名医疗保健专业人员。成人剂量的口服和透皮17β-雌二醇是高度可接受的(86.5%和84.3%),与透皮给药的优选形式(62.8%)。最常用的雌二醇制剂包括50µg贴剂(32个国家)和1或2mg片剂(65.8%和71.1%的国家)。然而,来自8个国家的只有20%的受访者可以使用0.5mg17β-雌二醇片剂。在3个和20个国家/地区提供了每天14或25mcg的17β-雌二醇的贴片,分别。口服孕激素具有广泛的可用性(96.0%)和偏好(87.0%),而透皮使用仅限于15.2%的受访者。
    结论:本研究强调了在获得适合女性青春期诱导的激素制剂方面的全球性挑战。在大多数国家,雌二醇的最低剂量为贴剂50微克,片剂为2毫克。适当的低剂量17β-雌二醇片剂比低剂量贴剂少得多。我们的调查强调了使指南适应当地可用性的重要性,以及需要改善可及性以解决这些全球差异。
    BACKGROUND: Natural oestrogen administration as oral or transdermal 17β-estradiol is recommended for pubertal induction in girls with hypogonadism. However, suitable low-dose formulations are not consistently available globally. This questionnaire study aimed to identify the current availability of oestrogen and progesterone preparations worldwide.
    METHODS: Endorsed by the ESPE Turner Syndrome Working Group, the questionnaire targeted paediatric endocrinologists. Questions focused on accessibility of oral/transdermal 17β-estradiol and progestogen preparations. Responses were collected through a SurveyMonkey survey disseminated via ESPE channels, direct outreach, and conferences from June 2020 to December 2022.
    RESULTS: Participation included 229 healthcare professionals from 45 countries. Oral and transdermal 17β-estradiol in adult dosage was highly accessible (86.5% and 84.3%), with transdermal administration the preferred form (62.8%). Most commonly available estradiol preparations included 50 μg patches (32 countries) and 1 or 2 mg tablets (65.8% and 71.1% countries). However, 0.5 mg 17β-estradiol tablets were available in only 20% of respondents from 8 countries. Patches delivering 14 or 25 μg/day of 17β-estradiol were available in 3 and 20 countries, respectively. Oral progestogen had widespread availability (96.0%) and preference (87.0%), while transdermal usage was limited to 15.2% of respondents.
    CONCLUSIONS: This study highlights global challenges in accessing suitable hormone preparations for female pubertal induction. In most countries, the lowest dose of the estradiol is 50 µg for patches and 2 mg for tablets. Appropriate low-dose 17β-estradiol tablets are much less available than low-dose patches. Our survey underscores the importance of adapting guidelines to local availability, and the need for improved accessibility to address these global disparities.
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  • 文章类型: Journal Article
    神经性精神厌食症是一种罕见的,潜在严重,慢性,女性比男性更常发生的复发性精神障碍,尤其是在生育年龄。这种疾病与死亡风险增加有关,主要与严重营养不良和自杀的身体后果有关。身体的营养不良会导致严重的荷尔蒙和躯体问题。尽管严重的荷尔蒙紊乱会降低生育能力,患有厌食症的妇女可能会怀孕。现在出现的一种新现象频率越来越高,与怀孕有关的饮食失调。它涉及使用饮食限制,以避免怀孕期间体重过度增加。怀孕改变荷尔蒙经济主要是由于胎盘的发育,分泌许多荷尔蒙,不仅仅是性激素.如果没有正确诊断和治疗,精神厌食症对母亲和孩子都构成重大风险。厌食症的治疗涉及同时进行躯体和心理治疗。在怀孕期间,应额外注意为发育中的胎儿创造最佳环境。不幸的是,在这方面仍然缺乏提供指导的研究。可用的研究主要是病例报告或针对特定临床情况的报告。值得注意的是,迄今为止还没有一项研究试图对厌食症孕妇的内分泌干扰进行全面评估。认识到神经性厌食症孕妇内分泌失调的现有知识差距,对文献进行了系统回顾.
    Mental anorexia nervosa is a rare, potentially severe, chronic, and recurrent mental disorder that occurs more often in women than in men, especially during the childbearing years. The disorder is associated with an increased risk of mortality, mainly related to the physical consequences of severe malnutrition and suicide. Malnutrition of the body can cause serious hormonal and somatic problems. Despite significant hormonal disturbances that reduce fertility, a woman with anorexia can become pregnant. A new phenomenon now seen with increasing frequency is pregorexia, an eating disorder associated with pregnancy. It involves the use of dietary restrictions to avoid excessive weight gain during pregnancy. Pregnancy changes the hormonal economy mainly due to the development of the placenta, which secretes many hormones, not just sex hormones. Mental anorexia poses a significant risk to both mother and child if not diagnosed and treated properly. Treatment of anorexia involves simultaneous somatic and psychological treatment. During pregnancy, additional care should be taken to create an optimal environment for the developing foetus. Unfortunately, there is still a lack of research providing guidance in this area. Available studies are mainly case reports or reports focusing on specific clinical situations. It is worth noting that no study to date has attempted a comprehensive assessment of endocrine disruption in pregnant women with anorexia. Recognising the existing knowledge gap on endocrine disorders in pregnant women with anorexia nervosa, a systematic review of the literature was conducted.
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  • 文章类型: Journal Article
    避孕方法的发展对公共卫生和生殖健康至关重要。在过去的60年里,复方口服避孕药(COCs)仍然是全球避孕领域的重要组成部分;持续发展一直致力于保持疗效和提高安全性.
    七位全球专家召集讨论雌激素在COCs中的临床相关性,关注新雌激素的影响,oestetrol(E4)。然后,参与者通过在线论坛对摘要内容和其他参与者的反馈进行评论。我们准备这份报告来描述专家的观点,他们在公开论坛上的后续行动以及支持他们观点的证据。
    炔雌醇(EE)和雌二醇(E2)对受体的影响相似,而E4具有不同的影响,尤其是肝脏和乳房。COCs中充足的雌激素剂量可确保有规律的出血和使用者的可接受性。EE和E4的半衰期比E2长;因此,EE和E4的COC比E2的COC提供更可预测的出血。雌激素类型和孕激素影响VTE风险;E2构成比EE低的风险;虽然有希望,E4/DRSPVTE风险缺乏基于人群的数据。COCs缓解月经症状,影响心理健康,认知,性欲,皮肤,骨骼健康。
    雌激素在避孕效果中起重要作用,出血模式,和COCs的总体耐受性/安全性。与传统配方相比,最近探索E4与DRSP结合的研究显示出有希望的结果,但更明确的结论有待进一步研究。
    UNASSIGNED: The evolution of contraception has been crucial for public health and reproductive well-being. Over the past 60 years, combined oral contraceptives (COCs) have remained an important part of the contraceptive landscape worldwide; continued development has worked toward maintaining efficacy and improving safety.
    UNASSIGNED: Seven global experts convened to discuss the clinical relevance of the oestrogen in COCs, focusing on the impact of the new oestrogen, oestetrol (E4). Participants then commented through an online forum on the summary content and other participants\' feedback. We prepared this report to describe the experts\' views, their follow-up from the open forum and the evidence supporting their views.
    UNASSIGNED: Ethinylestradiol (EE) and oestradiol (E2) affect receptors similarly whereas E4 has differential effects, especially in the liver and breast. Adequate oestrogen doses in COCs ensure regular bleeding and user acceptability. EE and E4 have longer half-lives than E2; accordingly, COCs with EE and E4 offer more predictable bleeding than those with E2. Oestrogen type and progestin influence VTE risk; E2 poses a lower risk than EE; although promising, E4/DRSP VTE risk is lacking population-based data. COCs alleviate menstrual symptoms, impact mental health, cognition, libido, skin, and bone health.
    UNASSIGNED: Oestrogens play an important role in the contraceptive efficacy, bleeding patterns, and overall tolerability/safety of COCs. Recent studies exploring E4 combined with DRSP show promising results compared to traditional formulations, but more definitive conclusions await further research.
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  • 文章类型: Journal Article
    目的:综述性腺激素对边缘性人格障碍特征影响的文献。
    背景:已知雌激素通量和绝对性激素水平与女性的各种情绪状态有关。我们调查了这是否与有或没有边缘性人格障碍(BPD)的女性的边缘性症状特别相关。
    方法:系统文献综述。
    结论:有证据表明,在非临床样本的女性中,在月经周期的某些阶段,临界症状更严重。还有一个小的证据表明,女性BPD在月经周期的黄体期后期表现出症状恶化。
    结论:需要更多的工作来建立性腺激素与BPD患者症状表达之间相互作用的性质和机制,和治疗努力需要严格的实证检验。
    OBJECTIVE: To review the literature on the impact of gonadal hormones on features of borderline personality disorder.
    BACKGROUND: Oestrogen flux and absolute sex hormone levels are known to be associated with various mood states in women. We investigated whether this was particularly relevant for borderline symptoms in women with or without borderline personality disorder (BPD).
    METHODS: Systematic literature review.
    CONCLUSIONS: There is some evidence that borderline symptoms are more severe during certain phases on the menstrual cycle in non-clinical samples of women. There is also a small evidence base that suggests that women with BPD show symptom exacerbation during the late luteal phase of their menstrual cycle.
    CONCLUSIONS: More work is required to establish the nature and mechanisms of interactions between gonadal hormones and symptom expression in BPD patients, and therapeutic endeavours need stringent empirical testing.
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  • 文章类型: Journal Article
    异常子宫出血是转诊给妇科医生的一个非常常见的原因,并且会严重影响生活质量。一旦排除了需要手术治疗的器质性病因,临床医生应该能够以最有效的方式保守治疗这些患者.
    在PubMed/MEDLINE数据库中进行了搜索,以便为该叙述性审查找到相关和最近有意义的来源。
    LNG-IUS52mg是非器质性原因的一线治疗。然而,可能是患者禁忌或拒绝的。联合口服避孕药(COC)和仅孕激素药丸抑制下丘脑-垂体-卵巢轴,防止排卵,并诱发子宫内膜萎缩.因此,它们在治疗AUB中是有效的。此外,含有雌激素组合的全新药丸,孕激素和GnRH拮抗剂现在可用于治疗与子宫肌瘤相关的AUB。
    在日常临床实践中,当患者禁用或拒绝LNG-IUS52mg时,口服激素疗法是管理AUB的方便且可逆的工具。许多口服激素疗法被规定用于治疗AUB,但是只有少数人获得了这种特定的适应症,因此,需要进一步的大型精心设计的研究,以比较不同药物治疗AUB的疗效.
    尽管LNG-IUS52mg是异常子宫出血的一线治疗方法,在禁忌症或患者下降的情况下,妇科医生应有效管理口服激素疗法。避孕药是实用的,但需要进一步的研究来比较其疗效,并将其与具体的AUB适应症进行比较.
    UNASSIGNED: abnormal uterine bleeding is a very frequent reason for referral to gynaecologists and can deeply influence the quality of life. Once organic causes requiring surgical treatment are ruled out, clinicians should be able to manage these patients conservatively in the most effective way.
    UNASSIGNED: a search in PubMed/MEDLINE database was conducted in order to find relevant and recent meaningful sources for this narrative review.
    UNASSIGNED: LNG-IUS 52 mg is the first-line treatment for non-organic causes. Nevertheless, it could be contraindicated or declined by the patient. Combined oral contraceptives (COC) and progestin-only pills inhibit the hypothalamic-pituitary-ovarian axis, preventing ovulation, and induce endometrial atrophy. Consequently, they are effective in treating AUB. Moreover, brand new pills containing a combination of oestrogens, progestins and GnRH antagonists are now available for the management of AUB related to uterine fibroids.
    UNASSIGNED: In daily clinical practice, oral hormonal therapies are convenient and reversible tools to manage AUB when LNG-IUS 52 mg is contraindicated or turn down by the patient. Many oral hormonal therapies are prescribed to treat AUB, but only a few have been approved with this specific indication, therefore further large well-designed studies are necessary in order to compare the efficacy of different pills for treating AUB.
    Even though LNG-IUS 52 mg is the first-line treatment for abnormal uterine bleeding, oral hormonal therapies should be effectively managed by gynaecologists in case of contraindications or patient’s decline. Contraceptive pills are practical, but further studies are necessary to compare their efficacy and to approve them with the specific AUB indication.
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  • 文章类型: Preprint
    背景酒精诱导乳腺癌发生的潜在机制尚未完全了解,但可能涉及激素变化。方法我们调查了自我报告的酒精摄入量与雌二醇的血清或血浆浓度之间的横断面关系。oestrone,孕酮(仅在绝经前妇女中),睾丸激素,雄烯二酮,DHEAS(硫酸脱氢表雄酮)和SHBG(性激素结合球蛋白)在45431名绝经前和173476名绝经后妇女中。我们分别对英国生物库进行了多变量线性回归,EPIC(欧洲癌症和营养前瞻性调查)和EHBCCG(内源性激素和乳腺癌协作组),并对结果进行了荟萃分析。对于睾丸激素和SHBG,我们还使用ADH1B(酒精脱氢酶1B)变体(rs1229984)进行了双样本孟德尔随机化(MR)和共定位.结果酒精摄入量呈正相关,虽然虚弱,与所有激素相关(绝经前妇女的孕酮除外),每10g/天酒精摄入量增加的浓度从黄体雌二醇的1.7%到绝经后DHEAS的6.6%不等。在绝经后妇女中,酒精与SHBG呈负相关,但在绝经前妇女中呈小的正相关。MR确定酒精摄入量与总睾丸激素呈正相关(每10g/天增加的差异:4.1%;95%CI:0.6%,7.6%)和游离睾丸激素(7.8%;4.1%,11.5%),与SHBG呈负相关(-8.1%;-11.3%,-4.9%)。共同定位表明,酒精摄入量与较高的游离睾丸激素和较低的SHBG之间存在ADH1B的共同因果位点(PP4:分别为0.81和0.97)。结论饮酒与性激素浓度的少量增加有关,包括生物可利用的部分,这可能有助于其对乳腺癌风险的影响。
    UNASSIGNED: The mechanisms underlying alcohol-induced breast carcinogenesis are not fully understood but may involve hormonal changes.
    UNASSIGNED: We investigated cross-sectional associations between self-reported alcohol intake and serum or plasma concentrations of oestradiol, oestrone, progesterone (in pre-menopausal women only), testosterone, androstenedione, DHEAS (dehydroepiandrosterone sulphate) and SHBG (sex hormone binding globulin) in 45 431 pre-menopausal and 173 476 post-menopausal women. We performed multivariable linear regression separately for UK Biobank, EPIC (European Prospective Investigation into Cancer and Nutrition) and EHBCCG (Endogenous Hormones and Breast Cancer Collaborative Group), and meta-analysed the results. For testosterone and SHBG, we also conducted two-sample Mendelian Randomization (MR) and colocalisation using the ADH1B (Alcohol Dehydrogenase 1B) variant (rs1229984).
    UNASSIGNED: Alcohol intake was positively, though weakly, associated with all hormones (except progesterone in pre-menopausal women), with increments in concentrations per 10 g/day increment in alcohol intake ranging from 1.7% for luteal oestradiol to 6.6% for post-menopausal DHEAS. There was an inverse association of alcohol with SHBG in post-menopausal women but a small positive association in pre-menopausal women. MR identified positive associations of alcohol intake with total testosterone (difference per 10 g/day increment: 4.1%; 95% CI: 0.6%, 7.6%) and free testosterone (7.8%; 4.1%, 11.5%), and an inverse association with SHBG (-8.1%; -11.3%, -4.9%). Colocalisation suggested a shared causal locus at ADH1B between alcohol intake and higher free testosterone and lower SHBG (PP4: 0.81 and 0.97 respectively).
    UNASSIGNED: Alcohol intake was associated with small increases in sex hormone concentrations, including bioavailable fractions, which may contribute to its effect on breast cancer risk.
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  • 文章类型: Journal Article
    先前与女性雄激素过量相关的循环miRNA可能用作多囊卵巢综合征(PCOS)的诊断生物标志物。
    基于循环miR-142-3p和miR-598-3p表达的模型在有和没有PCOS的女性中显示出良好的区别性。特别是与腰臀比(WHR)和循环LH与FSH(LH/FSH)比值等易于获得的测量值结合使用时。
    标志缺乏标准化,方法,和用于确定诊断标准存在的阈值(高雄激素血症,排卵障碍,和多囊卵巢形态学)使PCOS的诊断复杂化。某些生物标志物可能有助于这样的诊断。我们进行了一项验证研究,以检查与我们的研究小组先前进行的一项小型试点研究中与该综合征相关的几种miRNA对PCOS的诊断准确性。
    这是一项涉及140名绝经前妇女的诊断测试研究。
    我们在研究中纳入了71名PCOS女性和69名健康对照女性。两组均选择为在体重指数方面相似。我们使用miRCURYLNA™通用RTmicroRNAPCR来分析在我们小组先前进行的较小的试点研究中显示与PCOS最强关联的五种miRNA。我们使用接收器工作特征(ROC)曲线分析研究了诊断准确性。
    只有两个miRNAs的表达,miR-142-3p和miR-598-3p,在研究的五个人中,PCOS女性和非高雄激素对照组之间存在差异。这些循环miRNA的组合的诊断准确性良好(ROC曲线下面积(AUC)0.801;95%CI:0.72-0.88),并且在添加WHR时进一步提高(AUC0.834,95%CI:0.756-0.912),LH/FSH比率(AUC=0.869,95%CI:0.804-0.934)或两者(AUC=0.895,95%CI:0.835-0.954)。我们通过为这些变量选择不同的阈值来开发几个模型,这些变量有利于敏感性或特异性,阳性和阴性预测值高达88%或85%,分别。
    这里包括的患者具有经典的PCOS表型,由高雄激素血症和排卵功能障碍组成;因此,目前的结果可能不适用于缺乏雄激素过量的温和表型。
    如果在针对不同人群和PCOS表型的大型研究中得到证实,这些生物标志物可能有助于简化这一普遍综合征的临床诊断.
    这项研究由卡洛斯三世研究所资助,西班牙科学与创新部(授予PI15/01686,PIE16/00050,PI18/01122和PI21/00116),并由欧洲区域发展基金共同资助“一种制造欧洲的方式”。研究中心(CIBERDEM)和RamónyCajaldeInvestigaciónSanitaria(IRYCIS)也是SaludCarlosIII研究所的倡议。作者没有竞争利益可披露。
    不适用。
    Circulating miRNAs previously associated with androgen excess in women might be used as diagnostic biomarkers for polycystic ovary syndrome (PCOS).
    Models based on circulating miR-142-3p and miR-598-3p expression show good discrimination among women with and without PCOS, particularly when coupled with easily available measurements such as waist-to-hip ratio (WHR) and circulating LH-to-FSH (LH/FSH) ratios.
    The lack of standardization of the signs, methods, and threshold values used to establish the presence of the diagnostic criteria (hyperandrogenism, ovulatory dysfunction, and polycystic ovarian morphology) complicates the diagnosis of PCOS. Certain biomarkers may help with such a diagnosis. We conducted a validation study to check the diagnostic accuracy for PCOS of several miRNAs that were associated with the syndrome in a small pilot study that had been previously carried out by our research group.
    This was a diagnostic test study involving 140 premenopausal women.
    We included 71 women with PCOS and 69 healthy control women in the study. Both groups were selected as to be similar in terms of body mass index. We used miRCURY LNA™ Universal RT microRNA PCR to analyse the five miRNAs that had shown the strongest associations with PCOS in a much smaller pilot study previously conducted by our group. We studied diagnostic accuracy using receiver operating characteristics (ROC) curve analysis.
    Only the expression of two miRNAs, miR-142-3p and miR-598-3p, of the five studied, was different between the women with PCOS and the non-hyperandrogenic controls. The diagnostic accuracy of the combination of these circulating miRNAs was good (area under the ROC curve (AUC) 0.801; 95% CI: 0.72-0.88) and was further improved when adding WHR (AUC 0.834, 95% CI: 0.756-0.912), LH/FSH ratio (AUC = 0.869, 95% CI: 0.804-0.934) or both (AUC = 0.895, 95% CI: 0.835-0.954). We developed several models by selecting different threshold values for these variables favouring either sensitivity or specificity, with positive and negative predictive values as high as 88% or 85%, respectively.
    Patients included here had the classic PCOS phenotype, consisting of hyperandrogenism and ovulatory dysfunction; hence, the present results might not apply to milder phenotypes lacking androgen excess.
    If confirmed in larger studies addressing different populations and PCOS phenotypes, these biomarkers may be useful to simplify the clinical diagnosis of this prevalent syndrome.
    This research was funded by Instituto de Salud Carlos III, Spanish Ministry of Science and Innovation (grants PI15/01686, PIE16/00050, PI18/01122 & PI21/00116) and co-funded by European Regional Development Fund \'A way to make Europe\'. Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM) and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) are also initiatives of the Instituto de Salud Carlos III. The authors have no competing interests to disclose.
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  • 文章类型: Journal Article
    本研究旨在阐明绝经后双侧卵巢切除术对血浆类固醇激素水平的影响。绝经后因子宫良性疾病接受子宫切除术的妇女分为两组:18名妇女进行了孤立性子宫切除术,11名妇女进行了双侧附件卵巢切除术。在两组中,血清激素水平均通过固相萃取,气相色谱和串联质谱法进行定量。脱氢表雄酮(DHEA)的差异,睾丸激素,两组均测定了雄烯二酮和雌二醇。分析显示,与孤立性子宫切除术组相比,双侧附件卵巢切除术组的类固醇水平较低,DHEA的差异具有统计学意义(5.8±3.2vs.9.4±4.4ng/mL;p=0.019)和雌二醇(0.69±0.4vs.1.48±4.3ng/mL;p=0.007)。结果与绝经后卵巢的显着内分泌活动一致。需要澄清这些发现的临床后果,并重新评估绝经后预防性双侧输卵管卵巢切除术。尽管同意不应进行绝经前预防性双侧卵巢切除术,因为它对妇女健康有有害影响,关于绝经后预防性双侧卵巢切除术效果的证据很少,且该手术仍是常规手术.很少有研究表明,绝经后卵巢仍有可能影响老年妇女健康的内分泌活动。这项研究的结果补充了什么?这是第一项使用GC-MS/MS比较绝经后妇女子宫切除术和卵巢切除术状态的激素水平的研究,用于测量类固醇激素的高度灵敏的生物分析方法。以前的研究依赖于免疫测定,没有比较DHEA水平,根据内分泌学理论,它是雄激素和雌激素的前体。在这项研究中,绝经后双侧输卵管卵巢切除术后,DHEA和雌二醇的水平显着降低。这些发现对临床实践和/或进一步研究有什么意义?这是一项初步研究,可能会导致该领域的进一步研究,以阐明预防性切除绝经后卵巢对老年妇女健康的影响,并导致外科手术的改变。
    This study aims to clarify the effect of postmenopausal bilateral oophorectomy on plasma steroid hormone levels. Women who were submitted in the postmenopausal period to hysterectomy for uterine benign conditions were divided into two groups: 18 women had isolated hysterectomy and 11 had hysterectomy with bilateral salpingo-oophorectomy. In both groups serum hormone levels were quantified by solid phase extraction and gas chromatography and tandem mass spectrometry. Differences in dehydroepiandrosterone (DHEA), testosterone, androstenedione and oestradiol were determined in both groups. The analysis revealed lower steroid levels in the bilateral salpingo-oophorectomy group when compared to the isolated hysterectomy group with statistically significant differences found for DHEA (5.8 ± 3.2 vs. 9.4 ± 4.4 ng/mL; p = 0.019) and oestradiol (0.69 ± 0.4 vs. 1.48 ± 4.3 ng/mL; p = 0.007). The results are consistent with a significant endocrine activity of the postmenopausal ovary. The clinical consequences of these findings need to be clarified and postmenopausal prophylactic bilateral salpingo-oophorectomy re-evaluated.IMPACT STATEMENTWhat is already known on this subject? Although it is consensual that premenopausal prophylactic bilateral oophorectomy should not be performed because it has harmful effects on women\'s health, the evidence regarding the effects of postmenopausal prophylactic bilateral oophorectomy is scarce and this procedure continues to be a regular practice. Few studies have demonstrated that postmenopausal ovaries still have endocrine activity that may impact older women\'s health.What do the results of this study add? This is the first study to compare hormone levels of postmenopausal women based on their hysterectomy and oophorectomy status using GC-MS/MS, a highly sensitive bioanalytical assay for the measurement of steroid hormones. Previous studies relied on immunoassays and did not compare DHEA levels, which according to the intracrinology theory is a precursor for androgens and oestrogens. In this study, statistically significant lower levels of DHEA and oestradiol were found after postmenopausal bilateral salpingo-oophorectomy.What are the implications of these findings for clinical practice and/or further research? This is a pilot study that may lead to further investigation in this area to clarify the impact of the prophylactic removal of postmenopausal ovaries on older women\'s health and lead to changes in surgical procedures.
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  • 文章类型: Journal Article
    联合口服避孕药(COC)相关的静脉血栓栓塞(VTE)停止抗凝治疗后复发的风险尚不清楚。因此,我们进行了系统评价和荟萃分析,以估计患有COC相关VTE的女性中复发性VTE的发生率,并比较两组间VTE复发的发生率。Cochrane中央控制试验登记册,Cochrane系统评价数据库,EmbaseClassic+Embase和MedlineALL至2020年7月,并检索了纳入研究的引文。随机对照试验,我们选择了这些研究类型的前瞻性队列研究和荟萃分析.采用随机效应模型进行分析。确定了19项研究,包括1537名患有COC相关VTE的女性[5828人年(PY)]和1974名患有无端VTE的女性(7798PY)。研究的偏倚风险较低。在COC相关的VTE女性中,VTE复发的发生率为1.22/100PY[95%置信区间(CI)0.92-1.62,I2=6%],3.89/100PY(95%CI2.93-5.17,I2=74%)在女性无源性VTE中,未调整的发生率为0.34(95%CI0.26-0.46,I2=3%)。与COC相关的VTE后的女性复发风险较低,并且低于无缘无故的VTE后。
    The risk of recurrence after discontinuation of anticoagulation for a combined oral contraceptive (COC)-associated venous thromboembolism (VTE) is unclear. Therefore, we conducted a systematic review and meta-analysis to estimate the incidence of recurrent VTE among women with COC-associated VTE, unprovoked VTE and to compare the incidence of recurrent VTE between the two groups. The Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, Embase Classic +Embase and Medline ALL to July 2020 and citations from included studies were searched. Randomized controlled trials, prospective cohort studies and meta-analyses of these study types were selected. The analysis was conducted by random-effects model. Nineteen studies were identified including 1537 women [5828 person-years (PY)] with COC-associated VTE and 1974 women (7798 PY) with unprovoked VTE. Studies were at low risk of bias. The incidence rate of VTE recurrence was 1.22/100 PY [95% confidence interval (CI) 0.92-1.62, I2  = 6%] in women with COC-associated VTE, 3.89/100 PY (95% CI 2.93-5.17, I2  = 74%) in women with unprovoked VTE and the unadjusted incidence rate ratio was 0.34 (95% CI 0.26-0.46, I2  = 3%). The recurrence risk in women after COC-associated VTE is low and lower than after an unprovoked VTE.
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