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1.
Phys Chem Chem Phys ; 25(47): 32709-32714, 2023 Dec 06.
Artigo em Inglês | MEDLINE | ID: mdl-38014720

RESUMO

Ice nucleation and formation play pivotal roles across various domains, from environmental science to food engineering. However, the exact ice formation mechanisms remain incompletely understood. This study introduces a novel ice formation process, which can be either heterogeneous or homogeneous, depending on the initial conditions. The process initiates ice crystal growth from a nucleus composed of a micron-sized partially melted ice particle. We explore the role of van der Waals (Lifshitz)-free energy and its resulting stress in the accumulation of ice at the interface with water vapor. Our analysis suggests that this process could lead to thicknesses ranging from nanometers to micrometers, depending on the size and degree of initial melting of the ice nucleus. We provide evidence for the growth of thin ice layers instead of liquid water films on a partially melted ice-vapor interface, offering some insights into mist and fog formation. We also link it to potential atmospheric and astrogeophysical applications.

2.
Climacteric ; 26(4): 292-295, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37105219

RESUMO

Vulvovaginal atrophy (VVA) is a chronic and progressive disease that affects sexuality and quality of life. VVA is preventable and treatable, but requires long-term and often sequential treatment. Sequential treatment consists of designing a strategy that uses one or more medications for a long enough time to achieve the desired benefits with minimal risk and maximum adherence. Currently available therapeutic options consist of topical over-the-counter products (including non-hormonal lubricants and moisturizers applied to the vagina), systemic hormone therapy and estrogens, and prescribed vaginal dehydroepiandrosterone (DHEA). In addition, we have a selective estrogen receptor modulator, ospemifene, and new energy-based treatments (laser and radiofrequency). There are clear differences between the treatments both in the mechanism of action and in the efficacy. Compliance is very low, and patients complain about the use of the vaginal route, often due to its low efficacy, or express fear of the long-term use of estrogens or the price of the treatments. We believe that, as a first option, and for physiological, preventive and efficacy reasons, we should consider the prescription of treatments that work on estrogen receptors. As a second option, there are vaginal moisturizers, which are effective on symptoms but do not prevent or improve conditions. Finally, techniques using heat, which although each time represent a clearer alternative, but on the other hand are the cost and the long-term safety data, give us a third option. Of course, we consider that vulvar moisturizers and lubricants can be used at any time.


Assuntos
Dispareunia , Pós-Menopausa , Feminino , Humanos , Qualidade de Vida , Estrogênios/uso terapêutico , Moduladores Seletivos de Receptor Estrogênico/uso terapêutico , Vagina/patologia , Vulva/patologia , Atrofia/tratamento farmacológico , Lubrificantes/uso terapêutico , Dispareunia/tratamento farmacológico
3.
Climacteric ; 26(4): 388-391, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37017751

RESUMO

Vulvovaginal atrophy (VVA) is an underdiagnosed and undertreated chronic condition resulting in physiological and histological changes in the genitourinary tract of postmenopausal women. Treatment of moderate to severe VVA includes local estrogens, dehydroepiandrosterone (DHEA) and oral ospemifene, a third-generation selective estrogen receptor modulator (SERM). Due to venous thromboembolism (VTE) safety concerns classically associated with the SERM class, and as part of its original marketing authorization approval (MAA), the European Medicines Agency (EMA) requested the performance of a 5-year post-authorization safety study (PASS) to study the incidence rate of VTE among women receiving ospemifene. The results have led to important regulatory changes to ospemifene's labeling, extending its indication and eliminating concerted risk management measures. A panel of experts discussed and reached consensus on the impact of these regulatory changes on clinical practice, reflecting on the reassurance of ospemifene's benefit-risk balance and recommending its positioning as a first-line pharmacological treatment option for moderate to severe VVA together with local therapies. In a scenario where different treatments present similar efficacy and safety profiles, a shared decision between clinician and patient, according to her needs and preferences over time, is fundamental to improve adherence and persistence with sequential treatment, contributing to the achievement of health outcomes.


Assuntos
Dispareunia , Tromboembolia Venosa , Humanos , Feminino , Moduladores Seletivos de Receptor Estrogênico/uso terapêutico , Moduladores Seletivos de Receptor Estrogênico/farmacologia , Pós-Menopausa , Prova Pericial , Vagina/patologia , Dispareunia/tratamento farmacológico , Atrofia/tratamento farmacológico , Vulva/patologia , Tamoxifeno/efeitos adversos
4.
Climacteric ; 26(5): 437-444, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37017707

RESUMO

OBJECTIVE: This study aimed to evaluate the self-reported satisfaction of Spanish postmenopausal women currently treated for vulvovaginal atrophy (VVA) symptoms. METHODS: The CRETA (CRoss sectional European sTudy on Adherence) is a multicenter cross-sectional study conducted in 29 public and private hospitals in Spain, which enrolled postmenopausal women receiving treatment with ospemifene, local hormone therapy (HT) or vaginal moisturizers for VVA. After the prior informed consent of the patients, sociodemographic and treatment perception data were collected using a structured questionnaire. RESULTS: Among 752 women who completed the survey, the satisfaction score was significantly higher for the group treated with ospemifene (mean 8.3 ± 1.4) compared with the local HT group (7.2 ± 1.7) and the vaginal moisturizer group (6.5 ± 2.1) according to a 10-point Likert scale (p < 0.0001). Compared to vaginal moisturizers and local HT, participants treated with ospemifene reported the highest adherence (96.7% vs. 70.2% and 78.6%, respectively) and the lowest number of missed doses in the last month (0.6 ± 1.3 standard deviation [SD] vs. 3.5 ± 4.3 SD and 2.0 ± 2.8 SD, respectively) (p < 0.0001). Ospemifene was significantly perceived as easy to use (83.9% vs. 44.9% and 58.6%, respectively; p < 0.0001), efficacious in reducing the time to relieve symptoms (17.1% vs. 7.0% and 6.7%, p = 0.0005 and p = 0.0006, respectively) and convenient for sexual life (53.1% vs. 25.6% and 42.3%, p < 0.0001 and p = 0.0234, respectively). CONCLUSIONS: Among postmenopausal women with VVA, treatment with ospemifene has the most positive perceptions and the highest overall satisfaction level and could be an optimal therapeutic approach, maximizing patient adherence.


Assuntos
Dispareunia , Doenças Vaginais , Feminino , Humanos , Vagina/patologia , Estudos Transversais , Dispareunia/tratamento farmacológico , Tamoxifeno/uso terapêutico , Hormônios/uso terapêutico , Adesão à Medicação , Atrofia/tratamento farmacológico , Satisfação Pessoal , Vulva/patologia , Doenças Vaginais/tratamento farmacológico
5.
Climacteric ; 25(1): 43-49, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34382489

RESUMO

Osteoporosis is a common chronic condition that markedly increases the risk of fractures. Osteoporotic-related fractures increase morbidity and mortality and impair quality of life. Therefore, a correct approach for fracture prevention seems mandatory. Lifestyle changes should be recommended to all patients, including weight reduction if patients are obese/overweight, increasing physical activity and avoiding alcohol consumption and smoking. Additionally, calcium and vitamin D3 should be prescribed until the vitamin D deficit is resolved. Osteoporosis treatment options mainly include antiresorptives (i.e. estrogens, selective estrogen receptor modulators, bisphosphonates, denosumab) and anabolic agents (i.e. teriparatide, abaloparatide, romosozumab). Although presenting differences in efficacy and side effects, they have all been shown to increase bone mineral density (BMD) and to reduce osteoporotic-related fractures. Monotherapy with antiresorptive agents, particularly oral bisphosphonates, should be considered routinely as the first option for treatment of postmenopausal women. However, in the case of side effects, therapeutic failure or the need for long-term use, anabolic agents may be considered. In high-risk patients, anabolic agents may be considered as an initial therapeutic option. The combination of antiresorptive and anabolic agents may be useful to increase BMD compared with monotherapy, but more information is warranted to determine the effects on fracture risk.


Assuntos
Anabolizantes , Conservadores da Densidade Óssea , Osteoporose Pós-Menopausa , Osteoporose , Fraturas por Osteoporose , Anabolizantes/uso terapêutico , Densidade Óssea , Conservadores da Densidade Óssea/uso terapêutico , Difosfonatos/uso terapêutico , Feminino , Humanos , Osteoporose/tratamento farmacológico , Osteoporose Pós-Menopausa/tratamento farmacológico , Fraturas por Osteoporose/prevenção & controle , Qualidade de Vida , Teriparatida/uso terapêutico
6.
Climacteric ; 25(4): 383-387, 2022 08.
Artigo em Inglês | MEDLINE | ID: mdl-34813408

RESUMO

OBJECTIVE: Vulvovaginal atrophy is frequent, can be bothersome and can impair quality of life in postmenopausal women. The main objective of this prospective, randomized study was to compare the acceptability of low-dose vaginal 17ß-estradiol (estradiol) tablets and vaginal promestriene cream in postmenopausal women with moderate-to-severe symptomatic vulvovaginal atrophy. METHODS: Overall, 120 patients were randomized to receive estradiol or promestriene (n = 60 per group). Acceptability was assessed with a specific questionnaire. Symptom intensity, the Vaginal Health Index (VHI), vaginal pH and the Vaginal Maturation Index were also evaluated. RESULTS: Acceptability was higher for estradiol tablets. Compared to promestriene cream, hygiene and ease of use were greater after 4 weeks (p = 0.011 and p = 0.001, respectively) and after 12 weeks (p = 0.009 and p = 0.011, respectively). Reduction of symptom intensity was greater with estradiol. Both treatments improved the VHI and decreased vaginal pH. However, superficial cell percentages increased significantly (p < 0.001) with estradiol but not with promestriene (p = 0.241), with a statistically significant difference between means (p = 0.004). CONCLUSION: Our results support the use of vaginal low-dose estradiol tablets as compared to vaginal promestriene cream for the management of moderate-to-severe symptomatic vulvovaginal atrophy in postmenopausal women. CLINICALTRIALS.GOV IDENTIFIER: NCT04232813.


Assuntos
Estrogênios , Qualidade de Vida , Administração Intravaginal , Atrofia/tratamento farmacológico , Estradiol/análogos & derivados , Feminino , Humanos , Pós-Menopausa , Resultado do Tratamento , Vagina/patologia , Cremes, Espumas e Géis Vaginais
7.
Climacteric ; 24(2): 157-163, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-32869682

RESUMO

OBJECTIVE: A previous survey investigated postmenopausal vaginal atrophy in a sample of women across Latin America. To help implement a tailored approach to improve postmenopausal care and outcomes in Brazil, we consider results from the survey for this country. METHODS: A total of 2509 postmenopausal women resident in Argentina, Brazil, Chile, Colombia, or Mexico completed an online questionnaire. The Brazilian cohort comprised 504 women. RESULTS: Over half of the Brazilian cohort (56%) reported experiencing symptoms of vaginal atrophy; most described them as moderate or severe (76%), and almost half (48%) experienced symptoms for at least 1 year. Three-quarters of the Brazilian cohort (75%) were unaware of the chronic nature of the condition. Upon experiencing symptoms of vaginal atrophy, 92% had visited a health-care provider to discuss treatment options. Overall, 56% were aware of some form of local hormone therapy and 40% of those affected by vaginal atrophy had used such treatment. CONCLUSION: Postmenopausal women in Brazil are likely to benefit from increased awareness of the symptoms of vaginal atrophy. Health-care providers can potentially improve outcomes by helping women to understand the chronic nature of the condition and available treatment options. Women may be open to education pre menopause, before symptoms occur.


Assuntos
Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Pós-Menopausa/psicologia , Vagina/patologia , Doenças Vaginais/psicologia , Saúde da Mulher/estatística & dados numéricos , Atrofia , Brasil/epidemiologia , Brasil/etnologia , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , América Latina/epidemiologia , América Latina/etnologia , Pessoa de Meia-Idade , Aceitação pelo Paciente de Cuidados de Saúde/etnologia , Pós-Menopausa/etnologia , Inquéritos e Questionários , Doenças Vaginais/epidemiologia , Doenças Vaginais/etnologia , Saúde da Mulher/etnologia
8.
Osteoporos Int ; 31(12): 2271-2286, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32642851

RESUMO

We provide an evidence base and guidance for the use of menopausal hormone therapy (MHT) for the maintenance of skeletal health and prevention of future fractures in recently menopausal women. Despite controversy over associated side effects, which has limited its use in recent decades, the potential role for MHT soon after menopause in the management of postmenopausal osteoporosis is increasingly recognized. We present a narrative review of the benefits versus risks of using MHT in the management of postmenopausal osteoporosis. Current literature suggests robust anti-fracture efficacy of MHT in patients unselected for low BMD, regardless of concomitant use with progestogens, but with limited evidence of persisting skeletal benefits following cessation of therapy. Side effects include cardiovascular events, thromboembolic disease, stroke and breast cancer, but the benefit-risk profile differs according to the use of opposed versus unopposed oestrogens, type of oestrogen/progestogen, dose and route of delivery and, for cardiovascular events, timing of MHT use. Overall, the benefit-risk profile supports MHT treatment in women who have recently (< 10 years) become menopausal, who have menopausal symptoms and who are less than 60 years old, with a low baseline risk for adverse events. MHT should be considered as an option for the maintenance of skeletal health in women, specifically as an additional benefit in the context of treatment of menopausal symptoms, when commenced at the menopause, or shortly thereafter, in the context of a personalized benefit-risk evaluation.


Assuntos
Terapia de Reposição de Estrogênios , Osteoporose Pós-Menopausa , Terapia de Reposição de Estrogênios/efeitos adversos , Estrogênios , Feminino , Terapia de Reposição Hormonal , Humanos , Menopausa , Pessoa de Meia-Idade , Osteoporose Pós-Menopausa/tratamento farmacológico
9.
Phys Chem Chem Phys ; 22(20): 11362-11373, 2020 May 28.
Artigo em Inglês | MEDLINE | ID: mdl-32373792

RESUMO

Considering ice-premelting on a quartz rock surface (i.e. silica) we calculate the Lifshitz excess pressures in a four layer system with rock-ice-water-air. Our calculations give excess pressures across (1) ice layer, (2) water layer, and (3) ice-water interface for different ice and water layer thicknesses. We analyse equilibrium conditions where the different excess pressures take zero value, stabilized in part by repulsive Lifshitz interactions. In contrast to previous investigations which considered varying thickness of only one layer (ice or water), here we present theory allowing for simultaneous variation of both layer thicknesses. For a given total thickness of ice and water, this allows multiple alternative equilibrium solutions. Consequently the final state of a system will depend on initial conditions and may explain variation in experimental measurements of the thicknesses of water and ice layers.

10.
Climacteric ; 23(3): 252-258, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-31747785

RESUMO

Objective: This study aimed to compare the efficacy and safety of ossein-hydroxyapatite complex (OHC) versus calcium carbonate (CC) for preventing bone loss during perimenopause in current clinical practice.Methods: The prospective, comparative, non-randomized, open-label study included 851 perimenopausal women with basal bone mineral density (BMD) T-score ≥-2 standard deviations (SDs). Participants received either OHC (712 mg calcium/day) or CC (1000 mg calcium/day) over 3 years. BMD was evaluated by dual-energy X-ray absorptiometry at the lumbar spine (L2-L4) at baseline and after 18 and 36 months of follow-up. Adverse drug reactions (ADRs) were also recorded.Results: In women receiving OHC, BMD at the L2-L4 site remained stable over the 3-year follow-up period (mean [SD] change 0.00 [0.11] g/cm2). BMD in the CC arm decreased -3.1% (mean [SD] - 0.03 [0.11] g/cm2). Between-group differences were statistically significant (p < 0.001) and favored OHC. ADRs were more frequent in the CC group (7.7% vs. 2.7% in the OHC group; p = 0.001), affecting primarily the gastrointestinal system.Conclusion: OHC showed greater efficacy and tolerability than CC for bone loss prevention in perimenopausal women in real-world practice. As the daily dose of calcium was higher in the CC group, the differences might be linked to the ossein compound in OHC.


Assuntos
Carbonato de Cálcio/uso terapêutico , Durapatita/uso terapêutico , Osteoporose Pós-Menopausa/tratamento farmacológico , Absorciometria de Fóton , Densidade Óssea , Carbonato de Cálcio/administração & dosagem , Durapatita/administração & dosagem , Feminino , Humanos , Vértebras Lombares , Pessoa de Meia-Idade , Osteoporose Pós-Menopausa/diagnóstico por imagem , Perimenopausa , Estudos Prospectivos , Espanha , Resultado do Tratamento
11.
Osteoporos Int ; 30(12): 2437-2448, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31628490

RESUMO

Romosozumab is a therapy that stimulates bone formation and reduces bone resorption. In this study of postmenopausal women with low BMD, a second course of romosozumab following a period off treatment or on denosumab increased or maintained BMD, respectively, and was well tolerated, providing insight into treatment sequence options. INTRODUCTION: In patients with high fracture risk, therapies that stimulate bone formation provide rapid BMD gains; currently available agents, parathyroid hormone receptor agonists, are limited to a 2-year lifetime exposure and generally used for a single treatment course. However, for long-term osteoporosis management, a second treatment course may be appropriate. Romosozumab, a therapy with the dual effect of increasing bone formation and decreasing bone resorption, reduces fracture risk within 12 months. Here, we report efficacy and safety of a second romosozumab course. METHODS: In this phase 2, dose-finding study, postmenopausal women with low bone mass (T-score ≤ - 2.0 and ≥ - 3.5) received romosozumab or placebo (month 0-24) followed by placebo or denosumab (month 24-36); participants then received a year of romosozumab (month 36-48). RESULTS: Of 167 participants who entered the month 36-48 period, 35 had been initially randomized to romosozumab 210 mg monthly. In participants who received romosozumab 210 mg monthly followed by placebo, a second romosozumab course (n = 19) increased BMD by amounts similar to their initial treatment (month 0-12) at the lumbar spine (12.4%; 12.0%, respectively) and total hip (6.0%; 5.5%, respectively). Following denosumab, a second romosozumab course (n = 16) increased BMD at the lumbar spine (2.3%) and maintained BMD at the total hip. Safety profiles were similar between first and second romosozumab courses. CONCLUSIONS: After 12 months off-treatment, a second romosozumab course again led to rapid and large BMD gains. Following denosumab, BMD gains with romosozumab were smaller than with initial treatment. No new safety findings were observed during the second course.


Assuntos
Anticorpos Monoclonais/uso terapêutico , Conservadores da Densidade Óssea/uso terapêutico , Densidade Óssea/efeitos dos fármacos , Denosumab/uso terapêutico , Osteoporose Pós-Menopausa/tratamento farmacológico , Idoso , Idoso de 80 Anos ou mais , Anticorpos Monoclonais/administração & dosagem , Anticorpos Monoclonais/efeitos adversos , Biomarcadores/sangue , Conservadores da Densidade Óssea/administração & dosagem , Conservadores da Densidade Óssea/efeitos adversos , Remodelação Óssea/efeitos dos fármacos , Denosumab/administração & dosagem , Relação Dose-Resposta a Droga , Método Duplo-Cego , Esquema de Medicação , Quimioterapia Combinada , Feminino , Humanos , Pessoa de Meia-Idade , Osteoporose Pós-Menopausa/complicações , Osteoporose Pós-Menopausa/fisiopatologia , Fraturas por Osteoporose/etiologia , Fraturas por Osteoporose/prevenção & controle
12.
Langmuir ; 35(12): 4218-4223, 2019 Mar 26.
Artigo em Inglês | MEDLINE | ID: mdl-30821464

RESUMO

Gas bubbles in a water-filled cavity move upward because of buoyancy. Near the roof, additional forces come into play, such as Lifshitz, double layer, and hydrodynamic forces. Below uncharged metallic surfaces, repulsive Lifshitz forces combined with buoyancy forces provide a way to trap micrometer-sized bubbles. We demonstrate how bubbles of this size can be stably trapped at experimentally accessible distances, the distances being tunable with the surface material. By contrast, large bubbles (≥100 µm) are usually pushed toward the roof by buoyancy forces and adhere to the surface. Gas bubbles with radii ranging from 1 to 10 µm can be trapped at equilibrium distances from 190 to 35 nm. As a model for rock, sand grains, and biosurfaces, we consider dielectric materials such as silica and polystyrene, whereas aluminium, gold, and silver are the examples of metal surfaces. Finally, we demonstrate that the presence of surface charges further strengthens the trapping by inducing ion adsorption forces.

13.
Eur J Nutr ; 58(6): 2439-2448, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30066178

RESUMO

PURPOSE: The effect of coffee consumption on mortality has been scarcely investigated in the elderly. We assessed the association between coffee consumption and mortality from all-cause, cardiovascular disease (CVD) and cancer, in an elderly population of Spain. METHODS: We studied 903 individuals (511 women) aged 65 years and older from two population-based studies, the EUREYE-Spain study and the Valencia Nutritional Survey. Coffee consumption and diet were assessed using a validated food frequency questionnaire. Information on education, anthropometry, sleeping time, smoking, alcohol intake, physical activity and pre-existing disease was collected at baseline. Deaths were ascertained during a 12-year follow-up period, and Cox proportional hazards regression models were used to estimate adjusted hazard ratios (HR). RESULTS: There were 403 deaths during the 12-year period (40% from CVD), 174 of which occurred during the first 6 years. We observed evidence of a lower CVD mortality among coffee drinkers in the first 6 years of follow-up. Drinkers of ≤1 cup of coffee/day and > 1 cup/day showed lower CVD mortality than non-drinkers of coffee, HR 0.82 (95% CI 0.46-1.44) and HR 0.38 (0.15-0.96), respectively (p trend = 0.04). This association of coffee with CVD mortality attenuated after 12 years of follow-up. No significant association was observed with all-cause or cancer mortality, neither for caffeinated and decaffeinated coffee. CONCLUSIONS: In this study, coffee consumption was associated with lower CVD mortality in elderly. Although this association should be further investigated, coffee consumption appears to be safe for the elderly since no increased mortality was observed in coffee drinkers.


Assuntos
Doenças Cardiovasculares/mortalidade , Café , Morte , Avaliação Geriátrica/métodos , Neoplasias/mortalidade , Idoso , Dieta , Feminino , Avaliação Geriátrica/estatística & dados numéricos , Humanos , Masculino , Modelos de Riscos Proporcionais , Fatores de Risco , Espanha/epidemiologia , Inquéritos e Questionários
14.
J Appl Microbiol ; 126(2): 608-623, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30382616

RESUMO

AIM: To investigate the impact of inoculating peanut seeds with the biocontrol agent Trichoderma harzianum ITEM 3636 on the structure of bacterial and fungal communities from agricultural soils. METHODS AND RESULTS: Polymerase chain reaction (PCR)-denaturing gradient gel electrophoresis (PCR-DGGE) and next-generation sequencing (NGS) of amplicons (or marker gene amplification metagenomics) were performed to investigate potential changes in the structure of microbial communities from fields located in a peanut-producing area in the province of Córdoba, Argentina. Fields had history of peanut smut (caused by Thecaphora frezii) incidence. The Shannon indexes (H'), which estimate diversity, obtained from the PCR-DGGE assays did not show significant differences neither for bacterial nor for fungal communities between control and inoculation treatments. On the other hand, the number of operational taxonomic units obtained after NGS was similar between all the analysed samples. Moreover, results of alpha and beta diversity showed that there were no significant variations between the relative abundances of the most representative bacterial and fungal phyla and genera, in both fields. CONCLUSIONS: Trichoderma harzianum ITEM 3636 decreases the incidence and severity of agriculturally relevant diseases without causing significant changes in the microbial communities of agricultural soils. SIGNIFICANCE AND IMPACT OF THE STUDY: Our investigations provide information on the structure of bacterial and fungal communities in peanut-producing fields after inoculation of seeds with a biocontrol agent.


Assuntos
Agentes de Controle Biológico , Microbiologia do Solo , Trichoderma , Agricultura , Arachis , Argentina , Bactérias/genética , Bactérias/isolamento & purificação , Eletroforese em Gel de Gradiente Desnaturante , Fungos/genética , Fungos/isolamento & purificação , Sequenciamento de Nucleotídeos em Larga Escala , Microbiota , Reação em Cadeia da Polimerase , Sementes , Solo/química
15.
Climacteric ; 22(4): 348-351, 2019 08.
Artigo em Inglês | MEDLINE | ID: mdl-31157569

RESUMO

The objective of this review is to provide an overview of existing and evolving methods of assessing symptomatic vulvar, vaginal, and lower urinary tract atrophy A systematic literature search was carried out on MEDLINE and Embase in order to identify studies on diagnostic instruments for vulvar, vaginal, and lower urinary tract atrophy, as well as new possibilities allowing for an improved diagnostic future. Measurement of the most bothersome symptoms, especially dyspareunia and vaginal dryness, is possibly the most useful parameter in clinical practice, even though it is a subjective measurement. Regarding objective result measurements, the two main parameters to be studied are the vaginal maturation index and vaginal pH measurement. In addition, clinical exploration has value both with the vaginal health index and with the vulvar health index. Other research tools are arising, such as a broader knowledge of the vaginal lamina propria elements, the measurement of vaginal distension, and the possibilities of having vaginal tissue 'on a chip'. Gynecologists can make a diagnosis based on the patient's symptoms and a thorough physical examination. However, in cases in which you want to be sure of the diagnosis, and when you want to evaluate and compare treatment options, we need to assess the associated symptoms, vaginal maturation index, and vaginal pH with a clinical estimation by the physician. However, there is an increasing need for new objective parameters helping in the evaluation process.


Assuntos
Atrofia , Menopausa , Sistema Urinário/patologia , Vagina/patologia , Vulva/patologia , Feminino , Humanos
16.
BMC Womens Health ; 19(1): 58, 2019 04 30.
Artigo em Inglês | MEDLINE | ID: mdl-31039769

RESUMO

BACKGROUND: Studies have demonstrated that women with low desire and low excitement have negative feelings regarding their physical and emotional satisfaction, as well as their happiness. In this study, we evaluate the efficacy of Libicare® - a multi-ingredient food supplement - to improve sexual function in postmenopausal women. METHODS: This was an exploratory, prospective, non-controlled, observational study. Postmenopausal women aged 45-65 with a risk of sexual dysfunction (Female Sexual Function Index (FSFI) < 25.83) were included during routine clinical visits and treated with 2 tablets of Libicare® daily for 2 months. Libicare® is an oral food supplement containing Trigonella foenum graecum, Turnera diffusa, Tribulus terrestris, and Ginkgo biloba dry extracts. Primary endpoint: change vs. baseline in FSFI score. Secondary endpoints: 1) changes in testosterone and serum steroid levels of free testosterone and sex hormone-binding globulin (SHBG) levels and 2) tolerability. RESULTS: A total of 29 patients (mean age: 54.69 years) were included. FSFI mean (SD) score showed a significant increase: 20.15 (4.48) vs 25.03 (6.94), baseline vs final; p = 0.0011, paired t-test. Most patients (86.2%) increased their FSFI score. All FSFI domains, except dyspareunia, showed significant increases. The highest increase was observed in the desire domain (p = 0.0004). Testosterone and SHBG levels were assessed in 21 patients. A significant increase in testosterone level was observed: 0.41 (0.26) vs. 0.50 (0.34) pg/mL, baseline vs. final; p = 0.038, Wilcoxon test. 52.4% of patients increased their testosterone levels. Finally, a significant decrease was observed in SHBG level: 85 (32.9) vs. 73 (26.8) nmol/L, baseline vs. final; p = 0.0001; paired t-test. 95.2% of patients decreased their SHBG levels. CONCLUSION: In this pilot study, a significant improvement in sexual function and related hormone levels was observed with Libicare®. Further studies must be conducted to confirm these exciting results. TRIAL REGISTRATION: Current Controlled Trial ISRCTN12928573 . Date of registration: 28/March/2019. Retrospectively registered.


Assuntos
Suplementos Nutricionais , Preparações de Plantas/administração & dosagem , Disfunções Sexuais Fisiológicas/tratamento farmacológico , Disfunções Sexuais Psicogênicas/tratamento farmacológico , Feminino , Ginkgo biloba , Humanos , Libido/efeitos dos fármacos , Pessoa de Meia-Idade , Satisfação Pessoal , Projetos Piloto , Extratos Vegetais/administração & dosagem , Estudos Prospectivos , Resultado do Tratamento
17.
Ecotoxicol Environ Saf ; 172: 255-264, 2019 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-30711860

RESUMO

In human-altered rivers, fish are often conjointly exposed to an increase in water temperature due to global warming and to a contamination by organic pollutants such as pesticides, but their combined effects are still elusive. Thermal and chemical stressors could potentially interact because high temperature increases metabolism and toxicant uptake, and can alter the ability of organisms to set up adequate stress responses and to maintain homeostasis. These combined stressors could thus potentially result in higher level of molecular and cellular damage, and stronger effects on behavior and physiology, but experimental evidence across biological levels is still scarce. In this study, goldfish Carassius auratus were experimentally exposed to an environmentally realistic cocktail of pesticides (S-metolachlor, isoproturon, linuron, atrazine-desethyl, aclonifen, pendimethalin and tebuconazol) commonly found in rivers of South-West of France at low or high dose in two different thermal conditions: a common summer temperature (22 °C) or a high temperature recorded during heat waves (32 °C). Results showed that high temperature alone caused behavioral and physiological changes (increased swimming activity, increased hepatosomatic index, decreased reproductive index) but limited cellular damage. However, high temperature aggravated the effects of pesticides at the molecular and cellular level. Indeed, pesticide exposure resulted in higher genotoxic effects (micronuclei rate) and irreversible cellular damage of the gills and liver (apoptosis, inflammation, necrosis) at 32 °C compared to 22 °C. This suggests potential synergistic effects of climate change and pollution, and highlights the need for multiple stress approaches to better predict the impacts of human activities on aquatic wildlife.


Assuntos
Carpa Dourada/fisiologia , Temperatura Alta , Praguicidas/toxicidade , Poluentes Químicos da Água/toxicidade , Animais , Morte Celular/efeitos dos fármacos , Mudança Climática , Feminino , França , Brânquias/efeitos dos fármacos , Brânquias/metabolismo , Brânquias/patologia , Fígado/efeitos dos fármacos , Fígado/metabolismo , Fígado/patologia , Masculino , Micronúcleos com Defeito Cromossômico/induzido quimicamente , Rios
18.
Climacteric ; 21(3): 286-291, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29553288

RESUMO

OBJECTIVES: The primary objective of the European Vulvovaginal Epidemiological Survey (EVES) was to assess, at a country level, the prevalence of postmenopausal women with vulvovaginal atrophy (VVA) confirmed by gynecological clinical assessment among all postmenopausal women attending menopause centers. METHOD: Women aged 45-75 years old with their last menstrual period more than 12 months before and who attended menopause or gynecology centers were included. If they had at least one VVA symptom, women filled a number of questionnaires including the EuroQoL-EQ-5D3L and Day-to-Day Impact of Vaginal Aging (DIVA). Then a gynecological examination was performed to confirm the VVA diagnosis. RESULTS: A total of 2160 evaluable patients were included in the study. VVA was confirmed in 90% of the patients. Compared with patients without confirmed VVA (n = 206), patients with confirmed VVA (n = 1954) were significantly older (p < 0.001), had more severe symptoms (p < 0.001 for vaginal and vulvar symptoms, p < 0.05 for urinary ones) and had a lower quality of life as assessed by EQ-5D3L (p = 0.012) and DIVA (p < 0.001). CONCLUSION: VVA is highly prevalent among postmenopausal women. Gynecological clinical assessment of VVA is associated with severe symptoms and impaired quality of life and therefore should be promoted for appropriate clinical assessment and early therapeutic intervention.


Assuntos
Pós-Menopausa , Doenças Vaginais/epidemiologia , Doenças da Vulva/epidemiologia , Idoso , Atrofia/epidemiologia , Atrofia/fisiopatologia , Estudos Transversais , Feminino , Humanos , Itália/epidemiologia , Pessoa de Meia-Idade , Índice de Gravidade de Doença , Espanha/epidemiologia , Inquéritos e Questionários , Vagina/patologia , Doenças Vaginais/fisiopatologia , Vulva/patologia , Doenças da Vulva/fisiopatologia
19.
Climacteric ; 21(4): 397-403, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-29741110

RESUMO

OBJECTIVE: To investigate awareness in Latin America, knowledge of postmenopausal vaginal atrophy was evaluated in a sample of women from this region. METHODS: A total of 2509 postmenopausal women aged 55-65 years, resident in Argentina, Brazil, Chile, Colombia and Mexico, completed a structured online questionnaire. RESULTS: Over half the surveyed population (57%) reported experiencing symptoms of vaginal atrophy. Only 6% of the overall cohort attributed symptoms of vaginal atrophy directly to the condition, and 71% did not consider the condition to be chronic, resulting in many women not accessing effective therapy. Half the women (49%) affected by vaginal atrophy had used lubricating gels and creams; 36% had used some form of local hormone treatment. To understand symptoms and/or treatment options for vaginal discomfort, the majority of survey participants (92%) were willing to seek advice from health-care professionals; most (61%) felt/would feel comfortable talking to their doctor about this. CONCLUSION: Many women in Latin America lack knowledge of postmenopausal vaginal atrophy, not appreciating the chronic nature of the condition, and may benefit from dialog initiated by health-care professionals to facilitate greater understanding and increased awareness of the availability of effective treatment.


Assuntos
Dispareunia/tratamento farmacológico , Conhecimentos, Atitudes e Prática em Saúde , Pós-Menopausa , Vagina/patologia , Doenças Vaginais/epidemiologia , Idoso , Atrofia , Dispareunia/fisiopatologia , Terapia de Reposição de Estrogênios/métodos , Estrogênios/uso terapêutico , Feminino , Humanos , América Latina/epidemiologia , Pessoa de Meia-Idade , Inquéritos e Questionários , Doenças Vaginais/terapia , Saúde da Mulher
20.
Climacteric ; 20(3): 195-204, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28267367

RESUMO

In the absence of a direct head-to-head study, we performed an indirect historical comparison of ospemifene 60 mg (Senshio®) vs. local vaginal estrogens in moderate or severe vulvar and vaginal atrophy (VVA). A literature search was carried out of clinical efficacy/safety trials of local vaginal estrogens in VVA approved in Europe. For efficacy comparison, studies had to be placebo-controlled and of 12 weeks' duration. For safety comparison, studies had to be ≥40 weeks' duration. Efficacy endpoints were the difference between active and placebo in change from baseline to week 12 for symptoms, vaginal pH, and maturation value (MV). Safety endpoints were endometrial safety, breast safety, thrombosis, and adverse events. The 12-week improvement over placebo in symptom score was not different for ospemifene 60 mg and 17ß-estradiol 10 µg and for ospemifene 60 mg and estriol gel. After 12 weeks, the percentages with vaginal pH <5.0 and <5.5 were better for ospemifene 60 mg than 10 µg 17ß-estradiol. Week-12 pH changes were comparable with estriol pessaries or gel and ospemifene 60 mg. The 12-week MV improvements over placebo were similar or better with ospemifene 60 mg compared with 10 µg 17ß-estradiol and with estriol pessaries or gel. There was no increased vaginal bleeding, endometrial hyperplasia, or carcinoma (including breast cancer) relative to placebo and no signal for increased risk of venous thromboembolism with ospemifene 60 mg or 10 µg 17ß-estradiol, but the confidence intervals for both products do not exclude an increased risk. This historical indirect comparison suggests that ospemifene 60 mg has an efficacy, safety, and tolerability profile comparable to or better than local vaginal estrogens in the treatment of VVA.


Assuntos
Dispareunia/tratamento farmacológico , Menopausa , Vagina/patologia , Vulva/patologia , Administração Cutânea , Atrofia/tratamento farmacológico , Estradiol/administração & dosagem , Estradiol/uso terapêutico , Feminino , Humanos , Moduladores Seletivos de Receptor Estrogênico/administração & dosagem , Moduladores Seletivos de Receptor Estrogênico/uso terapêutico , Tamoxifeno/administração & dosagem , Tamoxifeno/análogos & derivados , Tamoxifeno/uso terapêutico , Resultado do Tratamento
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