Publications by authors named "Dan Geller"

Introduction: Hemophilia A (HA) therapy poses a significant healthcare burden. In recent years, emicizumab has been approved for prophylaxis. The current study explores the impact of transitioning to emicizumab on emergency department (ED) visits and hospitalizations in pediatric and adult HA patients.

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Article Synopsis
  • Obsessive-compulsive disorder (OCD) affects about 1% of people and has a strong genetic component, but previous studies have not fully explained its genetic causes or biological mechanisms.
  • A large genome-wide association study (GWAS) analyzed data from over 53,000 OCD cases and over 2 million control participants, identifying 30 significant genetic markers related to OCD and suggesting a 6.7% heritability from SNPs.
  • The research also found 249 candidate risk genes linked to OCD, particularly in specific brain regions, and showed genetic correlations with various psychiatric disorders, laying the groundwork for further studies and potential treatments.
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Burn injuries are a significant cause of morbidity among children. Ultra-Orthodox Jewish children are at higher risk for burn injuries. The goal of this study was to examine the clinical characteristics of moderate to severe burns in this population in comparison to the general population in Israel.

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The purpose of this study was to estimate the impact of pneumococcal conjugate vaccine-13 (PCV-13) introduction into the national immunization program in Israel on pneumococcal and non-pneumococcal pediatric community-acquired bacteremia (CAB). This is a retrospective cohort study, including children ≤ 18 years old with CAB, who were hospitalized in Rambam Health Care Campus, a tertiary medical center serving northern Israel, between the years 2004 and 2016. The proportional admission rate of pneumococcal bacteremia among all CAB events and the incidence of CAB and pneumococcal bacteremia per 1000 hospital admissions were compared between the pre- and post-pneumococcal vaccine eras.

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General personality dimensions are associated with clinical severity and treatment response in individuals with depression and many anxiety disorders, but little is known about these relationships in individuals with obsessive-compulsive disorder (OCD). Individuals in the current study included 705 adults with OCD who had participated in family and genetic studies of the disorder. Participants self-completed the Neuroticism, Extraversion, Openness Personality Inventory or Neuroticism, Extraversion, Openness Five-Factor Inventory-3.

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Background: Hoarding behavior may distinguish a clinically and possibly etiologically distinct subtype of obsessive-compulsive disorder (OCD). Little is known about the relationship between executive dysfunction and hoarding in individuals with OCD.

Methods: The study sample included 431 adults diagnosed with DSM-IV OCD.

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Background: Clinicians have long considered doubt to be a fundamental characteristic of obsessive-compulsive disorder (OCD). However, the clinical relevance of doubt in OCD has not been addressed.

Methods: Participants included 1182 adults with OCD who had participated in family and genetic studies of OCD.

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Background: Hoarding behavior may indicate a clinically and possibly etiologically distinct subtype of obsessive-compulsive disorder (OCD). Empirical evidence supports a relationship between hoarding and emotional over-attachment to objects. However, little is known about the relationship between hoarding and parental attachment in OCD.

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Compared to studies in adults, there have been few studies of hoarding in children and adolescents with obsessive-compulsive disorder (OCD). In the current study, we evaluated OCD clinical features, Axis I disorders, and social reciprocity scores in 641 children and adolescents with OCD, of whom 163 (25%) had hoarding compulsions and 478 did not. We found that, as a group, youth with hoarding had an earlier age at onset and more severe lifetime OCD symptoms, poorer insight, more difficulty making decisions and completing tasks, and more overall impairment.

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Some individuals with obsessive-compulsive disorder (OCD) have autistic-like traits, including deficits in social and communication behaviors (pragmatics). The objective of this study was to determine if pragmatic impairment aggregates in OCD families and discriminates a clinically and genetically distinct subtype of OCD. We conducted clinical examinations on, and collected DNA samples from, 706 individuals with OCD in 221 multiply affected OCD families.

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