Publications by authors named "Kaufman S"

Importance: Active surveillance in men with less aggressive prostate cancer is inconsistently used despite clinical guidelines. Renumeration generally favors treatment over conservative management and may contribute to the variable adoption of active surveillance, which suggests that value-based payment incentives may promote guideline-concordant care.

Objective: To describe the adoption of active surveillance in low-risk prostate cancer, following the initiation of a novel payment incentive sponsored by a commercial payer to support its use.

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Introduction: Oral targeted therapies are a standard of care for men with advanced prostate cancer. However, these therapies are expensive, which may be a barrier to some, particularly the most economically disadvantaged. Through investment in programs to assist this population, savings generated from the 340B program have the potential to mitigate barriers to initiating treatment with targeted therapies in these men.

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Introduction: Lipid screening identifies at-risk patients to facilitate cardiovascular risk reduction. National pediatric guidelines recommend universal lipid screening between 9-11 and 17-21 years of age. We aimed to improve adherence to lipid screening for all age-appropriate outpatient pediatric cardiology visits from a baseline of 35% to 90% between November 2021 and July 2023.

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Objectives: This study investigates sperm utilization and disposal patterns in Oligoasthenoteratozoospermia (OAT) patients undergoing long-term sperm storage. OAT is a major contributor to male infertility. Cryopreservation is a common practice as a "fertility insurance" in case of further deterioration until azoospermia.

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The term "kratom" refers to a plant species formally known as  Kratom is composed of over 40 alkaloids, a type of organic compound that contains nitrogen. These compounds work primarily via binding to opioid receptors expressed on neurons, where they stimulate signal transduction mechanisms involving the activation of G proteins. Kratom has been shown to cause both a stimulant-like effect and a sedative effect in humans.

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  • - The study developed a shortened version of the Awe Experience Scale (AWE-SF) to make it easier for participants while keeping its accuracy intact, using data collected from psychedelic samples across five different studies.
  • - The AWE-SF kept the original six-factor structure of the longer AWE-S and was validated by showing strong connections to positive emotions, mystical experiences, and overall well-being.
  • - Specific elements of awe, like feelings of connection or vastness, were linked to positive feelings, while aspects like self-loss were tied to more challenging experiences; overall, the AWE-SF proved effective as a tool for measuring awe experiences.
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  • - The study examines how hospital quality affects racial disparities in surgical outcomes for prostate, kidney, and bladder cancer among Black and White patients, using national Medicare data from 2017 to 2020.
  • - Results showed that as hospital quality improved, the gap in successful surgical outcomes between Black and White patients decreased, with a noted 5.7% reduction in disparities for every 0.1 increase in hospital quality.
  • - Additionally, Black patients were less likely to receive treatment at top-quality hospitals compared to their White counterparts (45.2% vs. 49.5%).
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Objective: To examine the relationship between market dynamics, in the form of commercial prices paid to urologists, and utilization of services, as measured by Medicare spending, in men with newly diagnosed prostate cancer.

Methods: We performed a retrospective national cohort study of Medicare beneficiaries with newly diagnosed prostate cancer between 2014 and 2019, with follow-up through 2020. The primary exposure was the commercial price index (ie, the ratio of commercial prices to Medicare prices for a common set of services performed by urologists).

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The endoscopic approach to skull base lesions is widely regarded as less invasive and associated with reduced morbidity, offering favorable outcomes, particularly in terms of short-term quality of life (QOL). However, to date, long-term assessments of both nasal function and tumor-related QOL remain limited. To evaluate patients' long-term nasal- and tumor-related QOL after endoscopic endonasal resection of pituitary tumors and to detect predictors for poor postoperative QOL.

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Background: For men with prostate cancer, there is substantial variation in the use of conservative management, such as active surveillance. Commercial prices, which vary across urology practices, may afford incentives that foster physician behaviors associated with utilization. Such behaviors may "spillover" to the Medicare population and affect quality.

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Screening for substance use disorder (SUD) is an essential part of antepartum care. Best practice for screening requires the use of a validated tool early in pregnancy to identify those at risk and to connect them with counseling and treatment. In many health systems and practices, urine toxicology testing is erroneously employed as a SUD screening tool despite consistent recommendations against its routine use.

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  • The study aimed to understand factors affecting the long-term use and disposal of cryopreserved semen straws among cancer patients over nearly three decades.
  • Out of 445 participants, 55 used thawed semen for fertility treatments, 65 disposed of their straws, while a majority of 325 did neither, with younger patients showing lower rates of usage and disposal.
  • The findings suggest a need for policies on cryopreservation that consider efficiency, cost, and patient demographics, potentially requiring consent from patients before preservation to alleviate unnecessary burdens.
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  • Neuropathologic studies indicate tau inclusions appear in the brain more than a decade before amyloid-β deposition in Alzheimer's disease (AD), leading to the suggestion of a "primary age-related tauopathy" (PART) theory.
  • A study involving 325 brains with tau inclusions but without amyloid deposits confirmed that tau was consistently found in certain areas, particularly in the transentorhinal cortex.
  • The results challenge the PART hypothesis, suggesting that the observed cases are actually prodromal Alzheimer's disease rather than a distinct age-related condition.
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  • - The standard method for assessing metabolic dysfunction-associated steatosis in clinical trials is by evaluating liver biopsies on glass slides; however, shipping these slides poses logistical challenges and risks of damage.
  • - This study found that using digital images on the AISight whole slide image management system for assessing steatohepatitis offers comparable accuracy to traditional glass slide evaluations, with both methods verified against a consensus score from expert pathologists.
  • - The results showed that the agreement between digital scoring and the established "ground truth" was not inferior to that of glass scoring, indicating that digital assessments can reliably replace traditional methods in clinical trial settings for liver disease.
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Introduction: The use of expensive oral targeted agents for advanced prostate cancer can be influenced by those who stand to gain from their use. The 340B drug pricing program allows eligible hospitals to purchase medications at steep discounts, generating millions of dollars in savings. The extent to which hospitals engage in higher-risk prescribing due to program incentives is unclear.

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Intestinal transplantation is a life-saving procedure utilized for patients failing total parenteral nutrition. However, intestinal transplantattion remains plagued with low survival rates and high risk of allograft rejection. The authors explore roles of innate (macrophages, natural killer cells, innate lymphoid cells) and adaptive immune cells (Th1, Th2, Th17, Tregs) in inflammatory responses, particularly inflammatory bowel disease and graft versus host disease, and correlate these findings to intestinal allograft rejection, highlighting which effectors exacerbate or suppress intestinal rejection.

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Background: The use of androgen biosynthesis and second-generation androgen receptor inhibitors for advanced prostate cancer is increasing. Because these therapies alter the androgen pathway, they have been associated with cardiometabolic and neurocognitive toxicities. Although their safety profiles have been assessed in clinical trials, real-world data are limited.

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The focus of this case study is the delayed diagnosis of a perinatal HIV transmission, which was identified when the infant reached 4 months of age, and the social conditions and structural determinants that contributed to the increased transmission risk. Despite adhering to the diagnostic testing protocols and neonatal antiretroviral (ARV) guidelines of the New York State Department of Health, this transmission still occurred. This transmission event prompted strategies to address criminalization of substance use during pregnancy and a reevaluation of the HIV testing and treatment protocols, including the timing of testing.

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Objective: To assess textbook outcomes by hospital teaching status following major surgery for urologic cancers.

Methods: We used 100% national Medicare Provider Analysis and Review files from 2017-2020 to assess rates of textbook outcomes in patients undergoing bladder (ie, radical cystectomy), kidney (ie, radical or partial nephrectomy), and prostate (ie, radical prostatectomy) surgery for genitourinary malignancies. The extent of integration of learners into each hospital's workforce-defined as major, minor, and non teaching hospitals-was the primary exposure.

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Purpose: To investigate cryopreserved testicular spermatozoa among patients with azoospermia.

Methods: In this retrospective study spanning from October 1993 to December 2021, we examined men diagnosed with azoospermia who underwent testicular spermatozoa cryopreservation. Data from medical records included utilization and disposal of sperm samples, age at initial cryopreservation.

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New York State Department of Health (NYSDOH) recommends that all pregnant patients receive human immunodeficiency virus (HIV) screening during pregnancy. This study assessed the prevalence of repeat prenatal HIV testing and factors associated with receipt of the recommended tests. Data from the NYSDOH newborn screening program were used to randomly select pregnant persons without HIV who delivered a liveborn infant in 2017.

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Objectives: To review recent evaluations of pediatric patients with intestinal failure (IF) for intestinal transplantation (ITx), waiting list decisions, and outcomes of patients listed and not listed for ITx at our center.

Methods: Retrospective chart review of 97 patients evaluated for ITx from January 2014 to December 2021 including data from referring institutions and protocol laboratory testing, body imaging, endoscopy, and liver biopsy in selected cases. Survival analysis used Kaplan-Meier estimates and Cox proportional hazards regression.

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The lack of selective and safe in vivo IRE1α tool molecules has limited the evaluation of IRE1α as a viable target to treat multiple myeloma. Focus on improving the physicochemical properties of a literature compound by decreasing lipophilicity, molecular weight, and basicity allowed the discovery of a novel series with a favorable in vitro safety profile and good oral exposure. These efforts culminated in the identification of a potent and selective in vivo tool compound, , that was well tolerated following multiday oral administration of doses up to 500 mg/kg.

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Given the nature of horse-human interactions in equine-assisted services (EAS), death of a horse may have significant impacts. In this study, an online survey was distributed to EAS practitioners. The goal of the study was to explore the experiences of practitioners and identify the socioemotional processes that occur upon the death of an equine within an EAS program.

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Male development in mammals depends on the activity of the two SOX gene: Sry and Sox9, in the embryonic testis. As deletion of Enhancer 13 (Enh13) of the Sox9 gene results in XY male-to-female sex reversal, we explored the critical elements necessary for its function and hence, for testis and male development. Here, we demonstrate that while microdeletions of individual transcription factor binding sites (TFBS) in Enh13 lead to normal testicular development, combined microdeletions of just two SRY/SOX binding motifs can alone fully abolish Enh13 activity leading to XY male-to-female sex reversal.

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