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In the Central Coast Local Health District of New South Wales, Australia, childhood immunisation (CI) rates are around 95%, but pockets of underimmunisation exist. Using the World Health Organization's Tailoring Immunization Programmes, we identified areas of potential low vaccine coverage using Australian Immunisation Register (AIR) data (2016-18) and investigated factors that influence CI. Individual and group interviews with carers, community members and service providers (n=52 participants) were conducted. Data were analysed thematically and the themes presented to stakeholders for feedback before finalisation. During 2018, Umina had 218 children at least 1 month overdue for at least one vaccination. Five themes emerged: (1) broader socioeconomic factors may apply pressures that influence CI; (2) parents largely supported immunisation and knew of its benefits to their children and the community; (3) immunisation service providers are committed, experienced and collaborate with community partners; (4) there is potential to increase access to free immunisation services in Umina; and (5) AIR data and reminder systems could be better used to inform service delivery and prompt parents before immunisations are due. This study identified opportunities to improve CI coverage in Umina and new information useful in developing a tailored immunisation strategy. Awareness of the pressures socioeconomic factors may have on families could help plan and deliver supportive primary health care that includes equitable access to immunisation.
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Atitude do Pessoal de Saúde , Conhecimentos, Atitudes e Prática em Saúde , Pessoal de Saúde/psicologia , Pais/psicologia , Vacinação/psicologia , Adulto , Pré-Escolar , Feminino , Humanos , Programas de Imunização , Lactente , Entrevistas como Assunto , Masculino , Pessoa de Meia-Idade , New South Wales , Sistema de RegistrosRESUMO
BACKGROUND: The period surrounding childbirth is one of profound change, which can often be experienced as stressful and overwhelming. Indeed, around 20% of women may experience significant levels of anxiety in the perinatal period. However, most women experiencing perinatal anxiety (PNA) go unrecognised and untreated. The Internet offers a potentially scalable solution to improve access to support, however a dearth of research in this area means that work is needed to better understand women's experience of PNA, so that potential targets for intervention can be identified and possible barriers to support overcome. This study aimed to qualitatively explore women's experience of anxiety triggers and support in the perinatal period; and gain insight into what online support is acceptable for women with PNA. METHODS: Women who were either pregnant or within one-year postpartum were invited to participate in focus groups across the UK. Focus groups were used to allow a diversity of perspectives to be heard, while simultaneously promoting the identification and prioritisation of important support needs and solutions. Interviews were transcribed and thematically analysed. RESULTS: Five key themes emerged in relation to women's experience with PNA: holding unrealistic expectations of birth and motherhood; stigma; the importance of peer support; uncertainty and poor maternal confidence; and a lack of mental health support and knowledge. Perinatal women felt under-supported and poorly prepared for motherhood. A mismatch between their expectations and the reality of their experience, alongside a pressure to be the 'perfect mum' was the primary source of their anxiety. Furthermore, stigma associated with PNA may have exacerbated these issues and led to help-seeking avoidance. Overall, women felt these issues could be addressed via online support, through the delivery of more realistic information, providing psychoeducation about PNA symptoms and management, and the inclusion of authentic peer experiences. Thus, delivering evidence-based information and interventions online may provide a solution that is acceptable to this cohort. CONCLUSIONS: This work provides unique insight into potential sources of anxiety for women in the perinatal period, while also offering potential internet-based support solutions that are likely to be acceptable and helpful for women with PNA.
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Ansiedade/terapia , Intervenção Baseada em Internet , Complicações na Gravidez/psicologia , Adulto , Ansiedade/diagnóstico , Feminino , Grupos Focais , Humanos , Saúde Mental , Pessoa de Meia-Idade , Parto/psicologia , Assistência Perinatal , Período Pós-Parto/psicologia , Gravidez , Pesquisa QualitativaRESUMO
BACKGROUND: Many websites are available with information and resources for perinatal anxiety; however, there is limited research on the quality and content of these sites. OBJECTIVE: This study aims to identify what sites are available on perinatal anxiety, identify any information and therapeutic advice given, and review its accuracy and website design. METHODS: We conducted an evaluation of websites for perinatal anxiety. Eligible websites (N=50) were evaluated for accuracy of information, resources for mothers, website quality, and readability. RESULTS: Information was often incomplete and focused on symptoms rather than risk factors or impact of untreated perinatal anxiety. Websites often had information on treatment (46/50, 92%), but much less on screening (19/50, 38%). Most sites provided at least some resources to support mothers (49/50, 98%), but active, guided support was infrequent (25/50, 50%). Website quality was extremely variable and mostly difficult to read (42/50, 84%). CONCLUSIONS: This study recommends the top 4 websites on perinatal anxiety for health care professionals and users. There is a need for websites to be developed that provide accurate, evidence-based information that women can relate to with quality support resources. Furthermore, these sites should be easy to use and readable.
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Pregnancy, birth and adjusting to a new baby is a potentially stressful time that can negatively affect the health of women. There is some evidence that expressive writing can have positive effects on psychological and physical health, particularly during stressful periods. The current study aimed to evaluate whether expressive writing would improve women's postpartum health. A randomized controlled trial was conducted with three conditions: expressive writing (n = 188), a control writing task (n = 213), or normal care (n = 163). Measures of psychological health, physical health and quality of life were measured at baseline (6-12 weeks postpartum), 1 and 6 months later. Ratings of stress were taken before and after the expressive writing task. Intent-to-treat analyses showed no significant differences between women in the expressive writing, control writing and normal care groups on measures of physical health, anxiety, depression, mood or quality of life at 1 and 6 months. Uptake and adherence to the writing tasks was low. However, women in the expressive writing group rated their stress as significantly reduced after completing the task. Cost analysis suggest women who did expressive writing had the lowest costs in terms of healthcare service use and lowest cost per unit of improvement in quality of life. Results suggest expressive writing is not effective as a universal intervention for all women 6-12 weeks postpartum. Future research should examine expressive writing as a targeted intervention for women in high-risk groups, such as those with mild or moderate depression, and further examine cost-effectiveness.Clinical trial registration number ISRCTN58399513 www.isrctn.com.
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Depressão/prevenção & controle , Terapia Narrativa/métodos , Período Pós-Parto/psicologia , Qualidade de Vida/psicologia , Estresse Psicológico/prevenção & controle , Redação , Adaptação Psicológica , Adulto , Teorema de Bayes , Depressão/psicologia , Feminino , Humanos , Saúde Mental , Gravidez , Reprodutibilidade dos Testes , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Pregnancy, birth and adjusting to a new baby is a potentially stressful time that can negatively affect women's mental and physical health. Expressive writing, where people write about a stressful event for at least 15 min on three consecutive days, has been associated with improved health in some groups but it is not clear whether it is feasible and acceptable for use with postpartum women. This study therefore examined the feasibility and acceptability of expressive writing for postpartum women as part of a randomised controlled trial (RCT). METHODS: The Health After Birth Trial (HABiT) was an RCT evaluating expressive writing for postpartum women which included measures of feasibility and acceptability. At 6 to 12 weeks after birth 854 women were randomised to expressive writing, a control writing task or normal care, and outcome measures of health were measured at baseline, one month later and six months later. Feasibility was measured by recruitment, attrition, and adherence to the intervention. Quantitative and qualitative measures of acceptability of the materials and the task were completed six months after the intervention. RESULTS: Recruitment was low (10.7% of those invited to participate) and the recruited sample was from a restricted sociodemographic range. Attrition was high, increased as the study progressed (35.8% at baseline, 57.5% at one month, and 68.1% at six months) and was higher in the writing groups than in the normal care group. Women complied with instructions to write expressively or not, but adherence to the instruction to write for 15 min per day for three days was low (Expressive writing: 29.3%; Control writing: 23.5%). Acceptability measures showed that women who wrote expressively rated the materials/task both more positively and more negatively than those in the control writing group, and qualitative comments revealed that women enjoyed the writing and/or found it helpful even when it was upsetting. CONCLUSIONS: The feasibility of offering expressive writing as a universal self-help intervention to all postpartum women 6 to 12 weeks after birth in the HABiT trial was low, but the expressive writing intervention was acceptable to the majority of women who completed it. TRIAL REGISTRATION: ISRCTN58399513, 10/09/2013.
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Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Cuidado Pós-Natal/psicologia , Período Pós-Parto/psicologia , Redação , Adulto , Emoções , Estudos de Viabilidade , Feminino , Humanos , Cuidado Pós-Natal/métodos , GravidezRESUMO
BACKGROUND: Perinatal mental illness is a global health concern; however, many women with the illness do not get the treatment they need to recover. Interventions that reduce the stigma around perinatal mental illness have the potential to enable women to disclose their symptoms to health care providers and consequently access treatment. There are many online forums for perinatal mental illness and thousands of women use them. Preliminary research suggests that online forums may promote help-seeking behavior, potentially because they have a role in challenging stigma. This study draws from these findings and theoretical concepts to present a model of forum use, stigma, and disclosure. OBJECTIVE: This study tested a model that measured the mediating role of stigma between online forum use and disclosure of affective symptoms to health care providers. METHODS: A Web-based survey of 200 women who were pregnant or had a child younger than 5 years and considered themselves to be experiencing psychological distress was conducted. Women were recruited through social media and questions measured forum usage, perinatal mental illness stigma, disclosure to health care providers, depression and anxiety symptoms, barriers to disclosure, and demographic information. RESULTS: There was a significant positive indirect effect of length of forum use on disclosure of symptoms through internal stigma, b=0.40, bias-corrected and accelerated (BCa) 95% CI 0.13-0.85. Long-term forum users reported higher levels of internal stigma, and higher internal stigma was associated with disclosure of symptoms to health care providers when controlling for symptoms of depression and anxiety. CONCLUSIONS: Internal stigma mediates the relationship between length of forum use and disclosure to health care providers. Findings suggest that forums have the potential to enable women to recognize and reveal their internal stigma, which may in turn lead to greater disclosure of symptoms to health care providers. Clinicians could refer clients to trustworthy and moderated online forums that facilitate expression of perinatal mental illness stigma and promote disclosure to health care providers.
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Many women with postnatal mental illness do not get the treatment they need and this is often because stigma prevents disclosure. The purpose of this study was to explore online social support for postnatal mental illness, how women experience stigma and potential disadvantages of using Internet forums. Interviews were conducted with fifteen participants who had suffered postnatal mental illness and had used forums. Systematic thematic analysis identified common themes in relation to social support, stigma and disadvantages of using forums. Most women felt they benefited from visiting forums by developing a shared understanding and discourse about their illness. Findings suggest future research should investigate if women benefit from using online social support provided by forums, if use challenges stigma and further explore potential concerns about using forums.
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Depressão Pós-Parto , Internet , Transtornos Puerperais , Estigma Social , Apoio Social , Transtornos de Estresse Pós-Traumáticos , Adulto , Feminino , Humanos , Transtornos Mentais , Pessoa de Meia-Idade , Pesquisa Qualitativa , Adulto JovemRESUMO
OBJECTIVE: This study aimed to develop and validate a scale to measure perceived stigma for perinatal mental illness in women. BACKGROUND: Stigma is one of the most frequently cited barriers to seeking treatment and many women with perinatal mental illness fail to get the treatment they need. However, there is no psychometric scale that measures how women may experience the unique aspects of perinatal mental illness stigma. METHOD: A draft scale of 30 items was developed from a literature review. Women with perinatal mental illness (n = 279) were recruited to complete the City Mental Illness Stigma Scale. Concurrent validity was measured using the Internalised Stigma of Mental Illness Scale. Factor analysis was used to create the final scale. RESULTS: The final 15-item City Mental Illness Stigma Scale has a three-factor structure: perceived external stigma, internal stigma and disclosure stigma. The scale accounted for 54% of the variance and had good internal reliability and concurrent validity. CONCLUSION: The City Mental Illness Stigma Scale appears to be a valid measure which provides a potentially useful tool for clinical practice and research in stigma and perinatal mental illness, including assessing the prevalence and characteristics of stigma. This research can be used to inform interventions to reduce or address the stigma experienced by some women with perinatal mental illness.
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Transtornos Mentais/psicologia , Assistência Perinatal , Autoimagem , Estigma Social , Inquéritos e Questionários , Adulto , Mecanismos de Defesa , Feminino , Humanos , Psicometria , Reprodutibilidade dos Testes , Adulto JovemRESUMO
BACKGROUND: Perinatal mental illness is a global health concern; however, many women do not get the treatment they need to recover. Some women choose not to seek professional help and get no treatment because they feel stigmatized. Online forums for various health conditions, including perinatal mental health, can be beneficial for members. Little is known about the role that online forums for perinatal mental illness play in reducing stigma and subsequent disclosure of symptoms to health care providers and treatment uptake. OBJECTIVE: This study aimed to examine stigma and disclosure in forums and describe any potential disadvantages of forum use. METHODS: An online forum for mothers was examined and 1546 messages extracted from 102 threads from the antenatal and postnatal depression section. These messages were subjected to deductive systematic thematic analysis to identify common themes regarding stigma and disclosure of symptoms and potential disadvantages of forum use. RESULTS: Two major themes were identified: stigma and negative experiences of disclosure. Stigma had 3 subthemes: internal stigma, external stigma, and treatment stigma. Many women were concerned about feeling like a "bad" or "failed" mother and worried that if they disclosed their symptoms to a health care provider they would be stigmatized. Posts in response to this frequently encouraged women to disclose their symptoms to health care providers and accept professional treatment. Forum discourse reconstructed the ideology of motherhood as compatible with perinatal mental illness, especially if the woman sought help and adhered to treatment. Many women overcame stigma and replied that they had taken advice and disclosed to a health care provider and/or taken treatment. CONCLUSIONS: Forum use may increase women's disclosure to health care providers by challenging their internal and external stigma and this may strengthen professional treatment uptake and adherence. However, a few posts described negative experiences when disclosing to health care providers.
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Surveys by the RCPA PITUS Project have shown significant variations in report rendering between Australasian Pathology Providers. The same project collected anecdotal evidence that this variation has led to the misunderstanding and misreading of results - a clinical safety issue. Recommendations are given for the rendering of reference limits on pathology reports, determination and rendering of result flags, and the documentation of sub-population partitions for reference intervals. These recommendations apply equally for paper or electronic reporting, but should not limit the use of novel techniques within electronic reports to convey additional meaning. PITUS Working Group 4 will publish draft recommendations for peer review and comment in relation to the above in the second half of 2014.
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Speech is unique among highly skilled human behaviors in its ease of acquisition by virtually all individuals who have normal hearing and cognitive ability. Vocal imitation is essential for acquiring speech, and it is an important element of social communication. The extent to which age-related changes in cognitive and motor function affect the ability to imitate speech is poorly understood. We analyzed the distributions of response times (RT) for repeating real words and pseudowords during fMRI. The average RT for older and younger participants was not different. In contrast, detailed analysis of RT distributions revealed age-dependent differences that were associated with changes in the time course of the BOLD response and specific patterns of regional activation. RT-dependent activity was observed in the bilateral posterior cingulate, supplementary motor area, and corpus callosum. This approach provides unique insight into the mechanisms associated with changes in speech production with aging.
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Envelhecimento/fisiologia , Mapeamento Encefálico , Encéfalo/fisiologia , Fala/fisiologia , Adulto , Idoso , Feminino , Humanos , Interpretação de Imagem Assistida por Computador , Comportamento Imitativo/fisiologia , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Tempo de Reação/fisiologia , Adulto JovemRESUMO
The internet offers an accessible and cost-effective way to help women suffering with various types of postnatal mental illness and also can provide resources for healthcare professionals. Many websites on postnatal mental illness are available, but there is little information on the range or quality of information and resources offered. The current study therefore aimed to review postnatal health websites and evaluate their quality on a variety of dimensions. A systematic review of postnatal health websites was conducted. Searches were carried out on four search engines (Google, Yahoo, Ask Jeeves and Bing) which are used by 98% of web users. The first 25 websites found for each key word and their hyperlinks were assessed for inclusion in the review. Websites had to be exclusively dedicated to postnatal mental health or have substantial information on postnatal mental illness. Eligible websites (n=114) were evaluated for accuracy of information, available resources and quality. Results showed that information was largely incomplete and difficult to read; available help was limited and website quality was variable. The top five postnatal mental illness websites were identified for (1) postnatal mental illness sufferers and (2) healthcare professionals. It is hoped these top websites can be used by healthcare professionals both for their own information and to advise patients on quality online resources.
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Depressão Pós-Parto/reabilitação , Internet/estatística & dados numéricos , Bem-Estar Materno/estatística & dados numéricos , Educação de Pacientes como Assunto/normas , Garantia da Qualidade dos Cuidados de Saúde/normas , Adulto , Depressão Pós-Parto/psicologia , Estudos de Avaliação como Assunto , Feminino , Humanos , Disseminação de Informação , Saúde Mental , Período Pós-Parto/psicologia , Indicadores de Qualidade em Assistência à Saúde/normas , Saúde da Mulher , Adulto JovemRESUMO
OBJECTIVE: To reduce the operating time in computer-assisted navigated total knee replacement (TKR), by improving communication between the infrared camera and the trackers placed on the patient. MATERIALS AND METHODS: The innovation involves placing a routinely used laser pointer on top of the camera, so that the infrared cameras focus precisely on the trackers located on the knee to be operated on. A prospective randomized study was performed involving 40 patients divided into two groups, A and B. Both groups underwent navigated TKR, but for group B patients a laser pointer was used to improve the targeting capabilities of the cameras. RESULTS: Without the laser pointer, the camera had to move a mean 9.2 times in order to identify the trackers. With the introduction of the laser pointer, this was reduced to 0.9 times. Accordingly, the additional mean time required without the laser pointer was 11.6 minutes. CONCLUSION: Time delays are a major problem in computer-assisted surgery, and our technical suggestion can contribute towards reducing the delays associated with this particular application.
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Artroplastia do Joelho/métodos , Lasers , Cirurgia Assistida por Computador/instrumentação , Gravação em Vídeo/métodos , Desenho de Equipamento , Humanos , Osteoartrite do Joelho/cirurgia , Projetos Piloto , Resultado do TratamentoRESUMO
BACKGROUND: There is debate about a 10% versus 15% of body weight cutoff point for safe weight of school backpacks. Estimation of the cutoff may be affected by use of survey methods and failure to assess pain experienced while wearing a backpack. Previous research also suggests that younger students and females are more at risk for developing backpack pain. METHODS: Five hundred and thirty-one 5th- to 12th-grade Northern California students and their backpacks were weighed. Students were individually interviewed about how often they experienced pain while carrying a backpack, the site of their pain, and if the pain had interfered with school activities or led to medical care. RESULTS: Data support the use of a 10% of body weight cutoff for safe use of backpacks for all grade levels. Younger students and females are more at risk due to relatively lower body weight while females also carry heavier backpacks than males. Greater relative backpack weight is associated with upper- and mid-back pain reports but not neck or lower back pain; it is also associated with lost school time, lost school sports time, and greater chiropractic utilization. CONCLUSIONS: The 10% cutoff is recommended along with a variety of practical methods to help schools achieve that goal for middle and high school students.
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Dor nas Costas/prevenção & controle , Efeitos Psicossociais da Doença , Educação em Saúde , Remoção/efeitos adversos , Estudantes , Adolescente , Distribuição por Idade , Dor nas Costas/epidemiologia , Dor nas Costas/etiologia , Peso Corporal , California/epidemiologia , Criança , Quiroprática/estatística & dados numéricos , Análise Discriminante , Feminino , Humanos , Masculino , Risco , Distribuição por Sexo , Suporte de CargaRESUMO
BACKGROUND: In the context of a national childhood obesity epidemic, this study sought to document the cardiovascular risk status of children in a rural Georgia community. METHODS: Anthropometrics and blood pressure were measured in 211 children, and fasting glucose and lipid profile in 160, recruited from schools in 2002 (grades 2 to 11, ages 7 to 18 years). RESULTS: Nearly half the schoolchildren (48%) were overweight or at risk of overweight; 15% had metabolic syndrome. Overweight children were at higher risk for metabolic syndrome and had more risk factors. Blood pressure: 19% had elevated systolic blood pressure; 4% had elevated diastolic blood pressure. Glycemia: 14% had impaired fasting glucose levels; no diabetes cases were detected. Lipid profile: 26% had high total cholesterol (>170 mg/dL), 20% had high low-density lipoprotein (>110 mg/dL), 13% had high triglycerides (>150 mg/dL), 43% had low high-density lipoprotein (females, <50 mg/dL; males, <40 mg/dL). Ethnicity, gender, and grade level were not predictive of risk except that fewer black children had low high-density lipoprotein, and blood pressure and body mass index increased with grade, as expected. CONCLUSIONS: Results from this study indicate a significant problem with overweight and cardiovascular risk in rural schoolchildren. Notably, younger children were just as likely to have risk factors as adolescents, suggesting that screening and intervention ought to begin by school age. Ethnic and gender differences in prevalence were not found, suggesting that contextual factors in a rural setting may outweigh demographic influences on risk.
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Doenças Cardiovasculares/epidemiologia , Obesidade/complicações , Obesidade/epidemiologia , População Rural , Adolescente , Glicemia/análise , Pressão Sanguínea , Índice de Massa Corporal , Doenças Cardiovasculares/etiologia , Criança , HDL-Colesterol/sangue , Feminino , Georgia/epidemiologia , Humanos , Masculino , Síndrome Metabólica/diagnóstico , Síndrome Metabólica/metabolismo , Prevalência , Fatores de Risco , Fatores SexuaisRESUMO
OBJECTIVE: To test the hypothesis that third grade children (mean age = 8.7, SD = 0.5) who attended an 8-month after-school program would exhibit favorable changes in body composition, cardiovascular fitness, blood pressure, total cholesterol, and high-density lipoprotein-cholesterol compared with children in control condition. RESEARCH METHODS AND PROCEDURES: Subjects were 61% African-American, 31% white, and 8% other racial background from 18 public schools. Sixty-eight percent were eligible for free or reduced price lunch. Percentage body fat and bone mineral density were assessed by DXA, cardiovascular fitness by heart rate response to a step test, resting blood pressure with a Dinamap, and non-fasting total cholesterol and high-density lipoprotein-cholesterol by finger stick. Data pre- and post-intervention were available for 447 children. Children in the nine intervention schools who attended at least 40% of the after-school sessions were compared with control subjects. RESULTS: Compared with the control subjects and after controlling for race, sex, free/reduced price lunch status, and school-level covariates, youths in the intervention group showed a relative reduction of percentage body fat [-0.76 (95% confidence interval (CI), -1.42, -0.09)], a greater relative gain in bone mineral density [0.008 (95% CI, 0.001, 0.005)], and a greater relative reduction in heart rate response to the step test [-4.4 (95% CI, -8.2, 0.6)]. The other outcome variables showed non-significant trends in favor of the intervention subjects. DISCUSSION: These results are promising in light of the potential impact on the emerging childhood obesity epidemic. The Medical College of Georgia FitKid Project has the potential to be institutionalized because it is built on the existing infrastructure in most public schools in the U.S.
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Exercício Físico , Obesidade/prevenção & controle , População Negra , Pressão Sanguínea , Composição Corporal , Densidade Óssea , Criança , Colesterol/sangue , HDL-Colesterol/sangue , Escolaridade , Feminino , Frequência Cardíaca , Humanos , Masculino , Obesidade/etnologia , Avaliação de Programas e Projetos de Saúde , Instituições Acadêmicas , População BrancaRESUMO
OBJECTIVE: We sought to investigate the prevalence and risk factors for vaginal yeast colonization over a 1-year period. METHODS: We conducted a longitudinal cohort study of 1,248 asymptomatic young women by collecting demographic and behavioral data at baseline, 4, 8, and 12 months. RESULTS: Seventy percent of women were colonized by vaginal yeast at one or more visits, but only 4% were colonized at all 4 visits. Using an adjusted generalized estimating equation model, factors associated with vaginal yeast colonization were marijuana use in the previous 4 months, depomedroxyprogesterone acetate use in the past 4 months, sexual intercourse in the previous 5 days, and concurrent colonization with lactobacilli and group B streptococcus. Symptoms of pruritus and vulvovaginal burning were associated with yeast colonization, but antifungal use was not. CONCLUSION: Recent sexual intercourse and use of injection contraceptives are risk factors for yeast colonization. Rates of antifungal use did not show an association with yeast colonization. The reporting of antifungal use by women lacking yeast colonization suggests that self-diagnosis is inaccurate. LEVEL OF EVIDENCE: II-2.
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Candida albicans/isolamento & purificação , Vagina/microbiologia , Adolescente , Adulto , Coito , Anticoncepcionais Femininos/administração & dosagem , Feminino , Humanos , Incidência , Estudos Longitudinais , Acetato de Medroxiprogesterona/administração & dosagem , Fatores de Risco , Vaginose Bacteriana/epidemiologiaRESUMO
A microhabitat study of protostelids was carried out in a Tropical Wet Forest at the La Selva Biological Station in Costa Rica. Nine species were recorded from sterile wheat straws placed out and then re-collected over a period of six weeks from two different litter microhabitats in an area of primary forest. All nine species were present on straws placed in the aerial litter microhabitat, but only six species were present on straws placed in the forest floor litter microhabitat. Total colonies, percent of straws colonized, and mean number of species per straw increased significantly over time. One species (Schizoplasmodiopsis pseudoendospora) typical of temperate litter was the overwhelming dominant on the forest floor litter, while Echinostelium bisporum, a species rare in temperate litter microhabitats, was the single most abundant species in the aerial litter microhabitat. Both of these species had significantly increased frequencies over time. Two species abundant in temperate aerial litter microhabitats and one species abundant in temperate forest floor litter were rare at La Selva. Our data conform to those obtained in an earlier study carried out in tropical forests in the mountains of Puerto Rico and provide additional support towards developing a model of microhabitat distribution of protostelids in terrestrial ecosystems.
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BACKGROUND: Optimum dosing for botulinum toxin type A (BTX-A) in crow's feet remains to be defined. OBJECTIVE: Our purpose was to compare the efficacy and safety of 3 doses of BTX-A and placebo in patients with crow's feet. METHODS: Patients were treated with 6, 12, or 18 units of BTX-A in orbicularis oculi muscle on one side and placebo contralaterally (double-blind design). At 16 weeks after injection, patients were treated with 12 or 18 units of BTX-A bilaterally (open-label design). Trained observers and patients rated the wrinkles on a scale of 0 (none) to 3 (severe) at maximum contraction and repose and at baseline and 4-week intervals over a 16-week period after injection. RESULTS: All doses of BTX-A were significantly superior to placebo with no clear dose-response relationship. Benefits of the second injection lasted longer than the first. Few and mild adverse events were seen. CONCLUSION: BTX-A is a safe and effective treatment for crow's feet. Benefits are more sustained with repeat treatment.