Publications by authors named "Steiger H"

Objective: The Eating Disorder Examination Questionnaire (EDE-Q) is a widely-used measure of eating-disorder symptoms. However, inconsistent replication of the subscale structure raises concern about validity. To provide a rigorous test of the EDE-Q's dimensionality and item-quality, we applied modern and classical test theory approaches to data obtained from a large, transdiagnostic sample of people with clinical eating disorders.

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The endovascular approach has emerged as standard therapy for many intracranial aneurysms (IAs) to prevent hemorrhage, yet its long-term durability varies considerably. The aim of this study was to evaluate the safety and effectiveness of an initially deliberate endovascular approach regarding IA hemorrhage rates over a long-term follow-up period. This retrospective single-center study included all consecutive patients with endovascularly treated IAs who presented between January 2008 and December 2020 with a follow-up of at least 12 months.

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Objective: Previous studies have indicated that virtual treatments for eating disorders (EDs) are roughly as effective as are in-person treatments; the present nonrandomized study aimed to expand on the current body of evidence by comparing outcomes from a virtual day treatment program with those of an in-person program in an adult ED sample.

Method: Participants were 109 patients who completed at least 60% of day treatment sessions (n = 55 in-person and n = 54 virtual). Outcome measures included ED and comorbid symptoms, and motivation.

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Article Synopsis
  • * A systematic review collected and evaluated 23 studies on the epigenetics of AN, highlighting epigenome-wide association studies (EWASs) as promising avenues for understanding disease mechanisms and potential biomarkers.
  • * Future research should focus on larger sample sizes, longitudinal designs, and consistent methodologies to improve insights into AN's pathophysiology and enhance patient treatments and outcomes.
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The application of patient-derived (PD) in vitro tumor models represents the classical strategy for clinical translational oncology research. Using these cellular heterogeneous cultures for the isolation of cancer stem cells (CSCs), suggested to be the main driver for disease malignancy, relies on the use of surrogate biomarkers or is based on CSC-enriching culture conditions. However, the ability of those strategies to exclusively and efficiently enrich for CSC pool has been questioned.

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Article Synopsis
  • Coordinated outcome measurement can greatly enhance mental health care effectiveness, particularly for eating disorders, which lack universal guidelines.
  • A set of recommended outcomes for eating disorders was developed by 24 international experts and focuses on four key domains: eating disorder behaviors, physical health, co-occurring mental health conditions, and quality of life.
  • Specific patient-reported measures are recommended for different age groups, including children, adolescents, and adults, with a variety of established questionnaires to assess these outcomes.
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Drawing from literature on measurement-based care and prognostic indices in eating disorder (ED) treatment, Wade et al. offer an algorithm for treating co-occurring mental-health conditions (i.e.

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Background: Given limited availability of informed treatments for people affected by eating disorders (EDs), there has been increasing interest in developing self-administered, technology-based ED interventions. However, many available interventions are limited to a specific ED diagnosis or assume that participants are ready to change. We developed a digital self-help application (called ASTrA) that was explicitly designed to be transdiagnostic and to help increase motivation for change.

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Article Synopsis
  • - The study examined the impact of the Covid-19 pandemic on hospitalizations for eating disorders among children aged 10-19 in Quebec, revealing a significant increase during the pandemic waves compared to pre-pandemic rates.
  • - Hospitalization rates rose from 5.8 per 10,000 before the pandemic to 6.5 during the first wave and 12.8 during the second wave, affecting both girls and boys, with specific spikes in admissions for younger and older age groups.
  • - The findings suggest that both advantaged and disadvantaged youth experienced increased rates of eating disorder hospitalizations, with a notable early rise among girls aged 10-14 during the first wave and a subsequent rise in girls aged 15-19 during
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  • A study was conducted to evaluate how often women being treated for opioid use disorder (OUD) use preventive health services and what chronic health issues they face.
  • Of the 97 women surveyed, many reported poor health and chronic conditions; notably, 59% had at least one chronic health issue, and less than half had a routine medical exam in the past year.
  • The findings suggest a need for improved health care interventions for these women, focusing on increasing the use of preventive services and addressing their high rates of chronic diseases.
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Introduction: There is no consensus in the treatment strategy of intracranial aneurysms (IAs) associated with brain arteriovenous malformation (BAVM). In particular, it is unknown if a more aggressive approach should be considered in patients harboring a BAVM, in whom multiple aneurysms or a history of aneurysmal subarachnoid hemorrhage (aSAH) is present.

Case Presentation: We report on an elderly woman harboring multiple aneurysms with a history of SAH due to rupture of an unrelated IA.

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Background: Entrustable professional activities (EPAs) represent an assessment framework with an increased focus on competency-based assessment. Originally developed and adopted for undergraduate medical education, concerns over resident ability to practice effectively after graduation have led to its implementation in residency training but yet not in vascular neurosurgery. Subjective assessment of resident or fellow performance can be problematic, and thus, we aim to define core EPAs for neurosurgical vascular training.

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Article Synopsis
  • Evidence-based treatments for eating disorders (EDs) are often underutilized due to a lack of informed care by clinicians.
  • A study assessed factors affecting the implementation of a knowledge exchange (KE) program aimed at training non-specialized mental health professionals in treating EDs.
  • Key facilitators included support from management and ongoing clinician supervision, while barriers included limited access to ED patients and time constraints in applying treatments.
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Cavernous sinus meningiomas (CSMs) remain a surgical challenge due to the intimate involvement of their contained nerves and blood vessels. Stereotactic radiosurgery (SRS) is a safe and effective minimally invasive alternative for the treatment of small- to medium-sized CSMs. Objective: To assess the medium- to long-term outcomes of SRS for CSMs with respect to tumour growth, prevention of further neurological deterioration and improvement of existing neurological deficits.

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Objective: Current knowledge of recurrence rates after intracranial aneurysm (IA) surgery relies on 2D digital subtraction angiography (DSA), which fails to detect more than 75% of small aneurysm remnants. Accordingly, the discrimination between recurrence and growth of a remnant remains challenging, and actual assessment of recurrence risk of clipped IAs could be inaccurate. The authors report, for the first time, 3D-DSA-based long-term durability and risk factor data of IA recurrence and remnant growth after microsurgical clipping.

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In 1999 a visionary short article by The Wall Street Journal writers Robert Langreth and Michael Waldholz popularized the new term "personalized medicine," that is to say, the targeting of drugs to each unique genetic profile. From today's perspective, targeted approaches have clearly found the widest use in the antineoplastic domain. The current review was initiated to review the progress that has been made regarding the treatment of patients with advanced cancer and brain metastases.

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Isocitrate dehydrogenase (IDH)-wildtype glioblastoma is the most common primary malignant brain tumor. It is associated with a particularly poor prognosis, as reflected by an overall median survival of only 15 months in patients who undergo a supramarginal surgical reduction of the tumor mass followed by combined chemoradiotherapy. The highly malignant nature of IDH-wildtype glioblastoma is thought to be driven by glioblastoma stem-like cells (GSCs) that harbor the ability of self-renewal, survival, and adaptability to challenging environmental conditions.

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Objectives: Recent studies have reported altered methylation levels at disorder-relevant DNA sites in people who are ill with Anorexia Nervosa (AN) compared to findings in people with no eating disorder (ED) or in whom AN has remitted. The preceding implies state-related influences upon gene expression in people with AN. This study further examined this notion.

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Purpose: Self-determination theory suggests that autonomous motivation for change (i.e., motivation that is internal and self-endorsed) can be enhanced in therapeutic contexts by clinicians acting in an autonomy supportive manner.

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Limitations in genetic stability and recapitulating accurate physiological disease properties challenge the utility of patient-derived (PD) cancer models for reproducible and translational research. A portfolio of isogenic human induced pluripotent stem cells (hiPSCs) with different pan-cancer relevant oncoprotein signatures followed by differentiation into lineage-committed progenitor cells was genetically engineered. Characterization on molecular and biological level validated successful stable genetic alterations in pluripotency state as well as upon differentiation to prove the functionality of our approach.

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Purpose: Intravenous and intra-arterial milrinone as a rescue measure for delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) has been adopted by several groups, but so far, evidence for the clinical benefit is unclear and effect on brain perfusion is unknown. The aim of the actual analysis was to define cerebral hemodynamic effects and outcome of intravenous milrinone plus norepinephrine supplemented by intra-arterial nimodipine as a rescue strategy for DCI following aneurysmal SAH.

Methods: Of 176 patients with aneurysmal SAH treated at our neurosurgical department between April 2016 and March 2021, 98 suffered from DCI and were submitted to rescue therapy.

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Background: The conserved stem cell signaling network canonical Wingless (WNT) plays important roles in development and disease. Aberrant activation of this pathway has been linked to tumor progression and resistance to therapy. Industry and academia have substantially invested in developing substances, which can efficiently and specifically block the WNT signaling pathway.

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Although treatment dropout is common among patients with eating disorders, very few studies have examined predictors of non-completion in day treatment. We investigated various potential predictors of dropout from adult day treatment. Participants were 295 adult patients with a diagnosis of Anorexia Nervosa (restricting or binge-eating/purging subtype), Bulimia Nervosa (BN), Other Specified Feeding or Eating Disorder, or Avoidant Restrictive Food Intake Disorder.

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