Publications by authors named "Danna K"

Vertebral compression fractures (VCFs) are the most common osteoporotic fractures. Only 1/3 of patients with VCFs are clinically diagnosed. In our institution, the Fracture Liaison Service (FLS) was launched in 2017 to improve osteoporosis management for hospitalized patients.

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For generations, women have relied on fertility awareness methods to plan and prevent pregnancy, for over a decade, many have been aided by digital tools to do so. New contraceptive fertility tracking apps (CFTAs)-that are backed by clinical efficacy trials to support their effectiveness as contraception-have the potential to enhance method choice and offer users a unique contraceptive option, but there is little evidence to inform the decisions around expanding access, particularly in low-and middle-income countries. We conducted a mixed methods study with quantitative online surveys (n = 1600) and qualitative interviews (n = 36) to explore the potential appeal of and demand for a hypothetical CFTA in one such market, the Philippines.

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Background: In Nigeria, in-service trainings for new family planning (FP) methods have typically been conducted using a combination of classroom-based learning, skills labs, and supervised practicums. This mixed-methods study evaluated the feasibility, acceptability, provider competency, and costs associated with a hybrid digital and in-person training model for the hormonal intrauterine device (IUD).

Methods: The study was conducted in Enugu, Kano, and Oyo states, Nigeria, and enrolled FP providers previously trained on non-hormonal IUDs.

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: The hormonal intrauterine device, a long-acting reversible contraceptive method, is being introduced to pilot sites in the private and public sector in Nigeria by the Nigerian Federal Ministry of Health since 2019. To inform training of health care providers, a study was conducted on a hybrid digital and in-person training which utilized Objective Structured Clinical Examination (OSCE) to assess competency of provider trainees. This study represents one of few documented experiences using OSCE to assess the effectiveness of a digital training.

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Introduction: High-quality contraceptive counseling is critical for supporting full, free, and informed contraceptive decision-making. However, the quality of family planning counseling remains poor globally and is too often not tailored to the individual client. The Counseling for Choice (C4C) approach comprises provider tools and training to structure counseling to center clients' self-identified priorities and to provide relevant information and anticipatory side effects counseling.

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Article Synopsis
  • A global learning agenda for hormonal IUDs was established in 2015 to explore their use in low- and middle-income countries, focusing on research and access strategies.
  • Evidence shows high user satisfaction and continuation rates for hormonal IUDs, with many users preferring this option over other short-acting methods or no contraception at all.
  • Scaling up access requires mobilizing resources and conducting implementation research to effectively launch the method, while ensuring sustainable and affordable supply from quality-assured providers.
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Background: The levonorgestrel-releasing intrauterine device (IUD)-also known as the hormonal IUD-is a highly effective contraceptive method that has not been widely available in the public sector in Zambia. Early introduction efforts can provide critical insights into the characteristics of users, reasons for method choice, and experiences getting their method.

Methods: We conducted a survey with 710 public sector clients who received a hormonal IUD, copper IUD, implant or injectable in two provinces of Zambia, and additional in-depth interviews with 29 women.

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Objective: Finding a balance between clinical and scholarly productivity is a challenge for many academic clinician-educator rheumatologists. An examination of workload and downstream revenue determines if the financial value generated by services rendered by rheumatologists are proportionate to the financial value created for a health system. A 2005 study found that academic rheumatologists generate $10.

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Background: The hormonal Intrauterine Device (IUD) is a highly effective contraceptive option growing in popularity and availability in many countries. The hormonal IUD has been shown to have high rates of satisfaction and continuation among users in high-income countries. The study aims to understand the profiles of clients who choose the hormonal IUD in low- and middle-income countries (LMICs) and describe their continuation and satisfaction with the method after 12 months of use.

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Despite considerable investment and effort, unmet need for contraception remains an obstacle to improved family planning outcomes. One influencing factor is the frequency of contraceptive discontinuation among users who desire to prevent pregnancy, often due to method-related concerns and side effects. Contraceptive users have the right to be supported during counseling to voluntarily choose methods that align with their individual needs and preferences.

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Background: Despite the positive characteristics of the levonorgestrel-releasing intrauterine device (IUD)-a long-acting, highly effective contraceptive with important non-contraceptive attributes-the method has not been widely available in low- and middle-income countries. This study of hormonal IUD, copper IUD, implant and injectable users in Nigeria compares their characteristics, reasons for method choice, and experiences obtaining their method.

Methods: We conducted a phone survey with 888 women who received a hormonal IUD, copper IUD, contraceptive implant or injectable from 40 social franchise clinics across 18 states in Nigeria.

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Background: 30 years after the introduction of the levonorgestrel-releasing intrauterine device in Europe, several sub-Saharan African countries are seeking to broaden access to this contraceptive method. In this study, we aimed to assess 12-month continuation of the hormonal intrauterine device, copper intrauterine device, and implants, as well as to assess women's experiences and satisfaction using these methods in the private sector in Nigeria and the public sector in Zambia.

Methods: We did a prospective cohort study of long-acting reversible contraceptive users across 40 private sector clinics in Nigeria and 21 public sector clinics in Zambia.

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: Several organizations in Nigeria are leading pilot introduction programs of the levonorgestrel intrauterine system (LNG-IUS). We conducted a qualitative assessment of providers' experiences across the five programs and an analysis of service delivery costs in one program. : We conducted 20 in-depth interviews (IDIs) with providers.

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Objective: Prenatal maternal anxiety has detrimental effects on the offspring's neurocognitive development, including impaired attentional function. Antidepressants are commonly used during pregnancy, yet their impact on offspring attention and their interaction with maternal anxiety has not been assessed. The authors used P50 auditory sensory gating, a putative marker of early attentional processes measurable in young infants, to assess the impact of maternal anxiety and antidepressant use.

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There is mounting evidence that stress during pregnancy can have detrimental effects on gestation and birth. Existing studies indicate that prenatal stress may increase levels of circulating inflammatory markers that are associated with prematurity and pregnancy complications, suggesting that stress-related changes in the cytokine milieu may increase the risk of poor pregnancy outcome. Previous studies, however, have not clearly connected stress during pregnancy to changes in inflammatory mediators and, in turn, to clinically-relevant outcomes such as premature delivery.

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Background: Classic galactosemia is an autosomal recessive disorder due to galactose-1-phosphate uridyltransferase (GALT) deficiency. Newborn screening and early treatment do not completely prevent tremor, speech deficits, and diminished IQ in both sexes and premature ovarian insufficiency (POI) in women. Data on how individuals with galactosemia fare as adults will improve our ability to predict disease progression.

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Maternal defense (also known as maternal aggression) is impaired by corticotropin-releasing factor-(CRF) related peptides, but where these peptides inhibit defense is unknown. Lateral septum (LS) gates reactivity to stressors, contains receptors to CRF-related peptides, and during lactation shows a decreased response to CRF, suggesting LS is a key site for regulating maternal aggression. In this study, the authors examined the effects of CRF-related peptides in LS on maternal defense.

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Neurotensin (NT) is a versatile neuropeptide involved in analgesia, hypothermia, and schizophrenia. Although NT is released from and acts upon brain regions involved in social behaviors, it has not been linked to a social behavior. We previously selected mice for high maternal aggression (maternal defense), an important social behavior that protects offspring, and found significantly lower NT expression in the CNS of highly protective females.

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Mice deficient in corticotropin-releasing factor receptor 2 (CRF2) (C57BL/6J:129Sv background) exhibit impaired maternal defense (protection of offspring) and are more reactive to stressors than wild-type mice. To further understand CRF2's role in maternal behavior, we crossed the knockout mice with a line bred for high maternal defense that also has elevated maternal care relative to inbred lines. Maternal care was normal in knockout mice (relative to wild-type).

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Background: Child neglect is the most common form of child maltreatment, yet the biological basis of maternal neglect is poorly understood and a rodent model is lacking.

Methodology/principal Findings: The current study characterizes a population of mice (MaD1) which naturally exhibit maternal neglect (little or no care of offspring) at an average rate of 17% per generation. We identified a set of risk factors that can predict future neglect of offspring, including decreased self-grooming and elevated activity.

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Increases in neuronal activity of hypocretin (HCRT), a peptide involved in arousal, and in HCRT-1 receptor mRNA expression have recently been identified in association with lactation. HCRT is released within brain regions regulating maternal behaviour and it is possible that increased HCRT neurotransmission during lactation supports maternal care. The present study examined for the first time the behavioural effects of HCRT on lactating mice.

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Background And Purpose: Performing nontraditional abdominal exercises with devices such as abdominal straps, the Power Wheel, and the Ab Revolutionizer has been suggested as a way to activate abdominal and extraneous (nonabdominal) musculature as effectively as more traditional abdominal exercises, such as the crunch and bent-knee sit-up. The purpose of this study was to test the effectiveness of traditional and nontraditional abdominal exercises in activating abdominal and extraneous musculature.

Subjects: Twenty-one men and women who were healthy and between 23 and 43 years of age were recruited for this study.

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Lactating female mice fiercely defend offspring while exhibiting decreased fear and anxiety. Recent work (J. S.

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Maternal aggression is a form of aggression towards intruders by lactating females that is critical for defense of offspring. During lactation, fear and anxiety are reduced, the CNS is less responsive to the anxiogenic neuropeptide, corticotropin-releasing factor (CRF), and central injections of CRF inhibit maternal aggression. Together, these previous findings suggest that decreased CRF neurotransmission during lactation supports normal maternal aggression expression.

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