Publications by authors named "Sandy Falk"

As the majority of female cancer survivors can now expect to live long lives beyond cancer diagnosis and treatment, there is a growing need to address the significant late effects of treatment. Unfortunately, sexual health remains a primary concern that often goes unaddressed among female cancer survivors. Sexual dysfunction is one of the most common and distressing effects of treatment.

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Globally, perfluoroalkyl acids (PFAA) are ubiquitous due to their almost unlimited applications in industry and households and are detected in a wide variety of matrices.Aquatic ecosystems are of particular importance due to the spread of PFAA via water fluxes. The majority of published studies describe PFAA concentrations in fish or aquatic mammals, but not the dependence of PFAA concentrations in tissues and organs in fish of different ages.

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Cancer and Female Sexual Function.

Obstet Gynecol Clin North Am

June 2024

Sexual health is a concern that often goes unaddressed among female cancer survivors. Management of these issues depends upon the type of malignancy, stage and other tumor characteristics, treatment, and the history, concerns, and goals of the individual patient.

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Chronic graft-versus-host disease is a major complication of allogeneic hematopoietic cell transplantation and a leading cause of long-term morbidity, nonrelapse mortality, and impaired health-related quality of life. The skin is commonly affected and presents heterogeneously, making the role of dermatologists critical in both diagnosis and treatment. In addition, new clinical classification and grading schemes inform treatment algorithms, which now include 3 U.

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Article Synopsis
  • Chronic graft-versus-host disease (cGVHD) is a common and serious complication after allogeneic stem cell transplants, leading to long-term health issues and decreased quality of life.
  • The skin is frequently impacted by cGVHD, necessitating dermatologists' expertise for accurate diagnosis and effective treatment.
  • Recent advances include new classification systems, therapeutic options approved by the FDA, and evolving transplant methods that are reshaping our understanding of cGVHD.
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Objective: To review the sexual health issues cancer survivors may experience, including incidence, association with treatment modalities, and approach to evaluation and treatment.

Data Sources: Peer-reviewed journal articles, medical society or government Web sites.

Conclusion: Cancer diagnosis and treatment often impacts sexual function and addressing this is a key component of health-related quality of life.

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As a result of their ubiquitous presence in the environment perfluoroalkyl acids (PFAAs) have been demonstrated in numerous organisms worldwide, in particular in those of higher trophic levels. The fact that PFAAs have been detected in various human matrices, together with the resultant potential human health risks, knowledge of possible paths of entry and distribution in various ecosystems, is of great importance. In this context pooled samples of terrestrial ecosystems - roe deer liver (n = 141), earthworms (n = 44) as well as leaves from beech and poplar trees (n = 70) - from the year 1989-2015 were obtained from the German Environmental Specimen Bank and examined for the presence of 11 PFAAs for the first time.

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Because of their toxicity and biomagnification potential individual perfluoroalkyl and polyfluoroalkyl substances (PFAS) are regularly examined in food and environmental matrices by LC-MS/MS. The combustion ion chromatography (CIC) can be used to determine adsorbable organic fluorine (AOF) in aqueous samples. This report describes the optimization and validation of an automated, robust, cost-efficient and rapid CIC method for the determination of AOF.

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A total of 201 sewage sludge and 45 biowaste samples were examined for 14 different perfluoroalkyl acids (PFAA). For perfluorooctanesulfonic acid, maximum concentrations of 698 μg/kg dry weight were measured in sewage sludge and for perfluorohexanesulfonic acid 29.0 μg/kg dry weight were found in biowaste.

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Background: In spite of the prevalence of aluminum in nature, no organism has been found to date which requires this element for its biological functions. The possible health risks to human beings resulting from uptake of aluminum include detrimental effects to the hemopoietic system, the nervous system and bones. Aluminum is used in many fields and occurs in numerous foodstuffs.

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Background: Drinking bottles and stove-top moka pots made of aluminum have become very popular. Storing drinks in bottles and preparing coffee in a moka pot may result in the migration of aluminum to the beverage.

Results/conclusions: In a systematic study of aluminum drinking bottles, it has been shown that drinking a mixture of apple juice and mineral water in an aluminum bottle may reach 86.

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Background: When cooking on a barbecue grill, consumers often use aluminum grill pans. For one, the pan catches the fats and oils that would drip into the embers causing the formation of potentially noxious smoke, and the pan also protects the food from being burned by direct heat from the coals. In addition, new aluminum products for use in ovens and grills are becoming increasingly popular.

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There are increasing numbers of breast cancer survivors. Chemotherapy or endocrine therapy result in effects on vaginal health that may affect quality of life. These effects may impact sexual function, daily comfort, or the ability to perform a pelvic examination.

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The concentrations of 11 perfluorinated alkyl acids (PFAAs) were measured in the livers of foxes (Vulpes vulpes) from Germany, a primarily carnivorous species, and chamois (Rupicapra rupicapra) from Austria, an herbivorous species. Perfluorooctanesulfonate (PFOS) at concentrations [all results refer to wet weight (ww)] of 3.2-320 µg/kg were detected in all 40 fox livers tested, yielding an arithmetic mean of 46.

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Purpose Of Review: Young women (<45 years of age) diagnosed with breast cancer face increased risk of sexual dysfunction as a result of their cancer-directed treatment. We will review the recent literature examining this critical challenge and discuss current efforts to address sexual dysfunction.

Recent Findings: In the period since 2013, the literature has focused on sexual issues that result from the premature onset of menopausal symptoms and changes in sexual health following breast surgery.

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Uptake of perfluoroalkyl acids (PFAAs) by maize represents a potential source of exposure for humans, either directly or indirectly via feed for animals raised for human consumption. The aim of the following study was, therefore, to determine the accumulation potential of perfluoroalkyl carboxylic acids (PFCAs) and perfluoroalkyl sulfonic acids (PFSAs) in maize (Zea mays). Two different concentrations of PFAAs were applied as aqueous solution to the soil to attain target concentrations of 0.

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Tissue specific uptake and elimination of perfluoroalkyl acids (PFAAs) were studied in rainbow trout (Oncorhynchus mykiss). Adult trout were exposed to perfluorobutane sulfonic acid (PFBS), perfluorohexane sulfonic acid (PFHxS), perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA) and perfluorononanoic acid (PFNA) via food over a time period of 28d. In the following 28-d depuration period the fish were fed PFAA-free food.

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Maize is the most important grain crop grown for human nutrition, animal fodder and biogas production worldwide. Nonetheless, no systematic studies have been undertaken on these plants to examine the uptake mechanisms for perfluoroalkyl substances (PFASs) dependent upon chain length and pH value. The aim of the present study was therefore to determine the influence of chain length (C4 to C10) and pH value (pH 5, pH 6, pH 7) on the uptake and distribution of seven perfluoroalkyl carboxylic acids (PFCAs) and three perfluoroalkane sulfonic acids (PFSAs) by maize in nutrient solution experiments under controlled conditions in a climate chamber.

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Approximately 14 million people have a history of cancer in the United States alone, and the number is expected to increase with time. This has prompted an appreciation of the quality of life for survivors. Women treated for cancer identify gynecologic issues as a major concern for both general health and the negative impact on sexual function that follow the cancer diagnosis and subsequent treatment.

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The present study investigated the biomagnification potential as well as the substance and tissue-specific distribution of perfluoroalkyl substances (PFASs) in market-size rainbow trout (Oncorhynchus mykiss). Rainbow trout with an average body weight of 314 ± 21 g were exposed to perfluorobutane sulfonate (PFBS), perfluorohexane sulfonate (PFHxS), perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and perfluorononanoic acid (PFNA) in the diet for 28 d. The accumulation phase was followed by a 28-d depuration phase, in which the test animals were fed with nonspiked trout feed.

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Introduction: There are now almost 14 million cancer survivors in the United States, and for the majority of survivors, the bulk of post-cancer medical care is provided by community primary care providers (PCPs). Sexual dysfunction is one of the most common and distressing quality of life issues facing female cancer survivors yet it has become increasingly evident that women's cancer-related sexual dysfunction often goes unaddressed, including in primary care treatment setting.

Aim: Building on a model that calls for an integrative approach to treatment, the aim is to concisely review barriers and challenges of managing cancer-related female sexual dysfunction for PCPs and to offer specific and effective strategies that PCPs may use to treat common sexual problems in their female cancer survivors.

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To study the behavior of perfluoroalkyl substances (PFASs) in soil and the carry-over from soil to plants, technical mixtures of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) at a concentration of 25 mg/kg soil were applied to 1.5 m(3) monolithic soil columns of a lysimeter. Growth samples and percolated water were analyzed for PFASs throughout a period of 5 years.

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For more than 50 years perfluoroalkyl substances (PFASs) have found worldwide industrial and household uses. Some PFASs are presumed to be persistent and bioaccumulative. Roe deer (Capreolus capreolus) are thought to be a suitable bioindicator for the accumulation of organic xenobiotics.

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Article Synopsis
  • The study aimed to analyze maternal and neonatal outcomes in expectant management of spontaneous preterm premature rupture of membranes (PPROM) before 24 weeks of pregnancy.
  • A total of 108 pregnancies were assessed, with 57 opting for expectant management, revealing a median latency from membrane rupture to delivery of 6 days and an overall neonatal survival rate of 26.3%.
  • Results showed that while survival rates improved slightly with gestational age at the time of rupture, survival before 20 weeks was notably low and complications like chorioamnionitis occurred in nearly a third of cases, with no maternal fatalities reported.
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