Publications by authors named "Savage S"

Machine learning (ML) is a branch of artificial intelligence (AI) that enables computers to learn from data and discern patterns without direct instruction. This review explores cutting-edge developments in microsurgery through the lens of AI applications. By analyzing a wide range of studies, this paper highlights AI's transformative role in enhancing microsurgical techniques and decision-making processes.

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Introduction: Diamond Blackfan anaemia (DBA) is a rare disorder characterized by failure of red blood cell production, congenital abnormalities and cancer predisposition, primarily caused by pathogenic germline variants in genes encoding ribosomal proteins.

Methods: We conducted a genotype-phenotype and outcome study of 121 patients with DBA spanning the 20-year history of the National Cancer Institute's Inherited Bone Marrow Failure Syndromes study. Patient phenotypes were compared by large versus small ribosomal protein genes, across genes with >5 cases (, , and ) and by type of pathogenic variants (hypomorphic versus null, large deletions versus others).

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Background: Web-based information and social support are commonly used in rare disease communities where geographic dispersion and limited provider expertise complicate in-person support. We examined web-based resource use among caregivers of individuals with telomere biology disorders (TBDs), which are rare genetic conditions with long diagnostic odysseys and uncertain prognoses including multiorgan system cancer risk.

Objective: This study explored internet-based information-seeking and social support practices and perspectives of patients with TBDs and their caregivers.

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Background: People with severe mental illness experience physical health inequalities and a 15-20-year premature mortality rate. Forensic inpatients are particularly affected by restrictions on movement, long admissions, and obesogenic/sedative psychotropic medication. We aimed to establish the feasibility and acceptability of Motiv8, a multidisciplinary weight management intervention co-produced with service users for forensic inpatients.

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This article argues that mid-century Surrealist German author Unica Zürn's writing on the fetus and pregnancy anticipates New Materialist analyses of the liveliness of matter and the interactions of biology and history. Using philosopher-physicist Karen Barad's theories of Agential Realism as a lens, I unite a close reading of key moments in Zürn's oeuvre with an examination of medical practices in the midcentury and the lingering history of Nazi eugenics, demonstrating how politics and science come to both shape and deform the body in Zürn's prose. Through the interactions of both language and material, the bodies of the mother and fetus begin to double each other, and holocaust atrocities and abortion practices take on uncanny resonances.

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POLA2 encodes the accessory subunit of DNA polymerase α (polα)/primase, which is crucial for telomere C-strand fill-in. Incomplete fill-in of the C-rich telomeric strand after DNA replication has been proposed as a mechanism for Coats plus syndrome, a phenotype within the broader spectrum of telomere biology disorders (TBD). Coats plus syndrome has so far been associated with pathogenic variants in POT1, CTC1, and STN1.

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Background: It is common practice to administer oxygen to neurocritical patients in the Intensive Care Unit (ICU). Consequent hyperoxia has been associated with unfavourable outcomes including in patients with brain injury, after cardiac arrest, sepsis, and traumatic brain injury. The aim of this systematic review was to explore the association between hyperoxia exposure and unfavourable outcome in patients following a non-traumatic subarachnoid haemorrhage (SAH).

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Article Synopsis
  • * A study analyzed the locations of 160 sarcomas found in individuals with LFS and discovered that abdominal sarcomas and extremity osteosarcomas were the most common, with no significant differences based on age or sex.
  • * The findings indicate that while sarcomas in LFS often appear in typical areas, they can also occur in unusual locations, complicating diagnosis through imaging; ongoing research will improve guidance for screening and interpretation of scans for LFS patients.
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Background: Medical uncertainty may cause distress and challenge medical decision-making for patients with rare diseases and their caregivers. Few studies have examined the experience and management of medical uncertainty in rare disease and the dynamics of multiple medical uncertainty sources, issues, and management strategies.

Objective: We explored the experience and management of uncertainty in individuals with telomere biology disorders (TBDs), a set of rare cancer-prone bone marrow failure syndromes, and their caregivers.

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Introduction: Interventions to treat speech-language difficulties in primary progressive aphasia (PPA) often use word accuracy as a highly comparable outcome. However, there are more constructs of importance to people with PPA that have received less attention.

Methods: Following Core Outcome Set Standards for Development Recommendations (COSSTAD), this study comprised: Stage 1 - systematic review to identify measures; Stage 2 - consensus groups to identify important outcome constructs for people with PPA (n = 82) and care partners (n = 91); Stage 3 - e-Delphi consensus with 57 researchers.

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Article Synopsis
  • Systematic reviews (SRs) and meta-analyses (MAs) published in top neurosurgical journals were evaluated for their methods of assessing research quality between 2019 and 2021.
  • A total of 564 SRs were analyzed, finding that while scales were commonly used for quality assessments, there was significant room for improvement, especially in studies with non-randomized designs.
  • The study concludes that using domain-based tools for assessing methodological quality may provide a more thorough evaluation compared to other methods.
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Rare germline pathogenic variants (GPVs) in genes essential in telomere length maintenance and function have been implicated in two broad classes of human disease. The telomere biology disorders (TBDs) are a spectrum of life-threatening conditions, including bone marrow failure, liver and lung disease, cancer and other complications caused by GPVs in telomere maintenance genes that result in short and/or dysfunctional telomeres and reduced cellular replicative capacity. In contrast, cancer predisposition with long telomeres (CPLT) is a disorder associated with elevated risk of a variety of cancers, primarily melanoma, thyroid cancer, sarcoma, glioma and lymphoproliferative neoplasms caused by GPVs in shelterin complex genes that lead to excessive telomere elongation and increased cellular replicative capacity.

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Article Synopsis
  • * A study involving adults and caregivers of individuals with TBDs revealed various unmet needs, particularly in areas like psychosocial support, medical care, and financial assistance, indicating a systemic gap in healthcare responses.
  • * The findings emphasize the need for customized, multi-disciplinary interventions that involve all stakeholders to improve care and support for families dealing with rare diseases.
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  • Rare variations in the RTEL1 gene are linked to telomere biology disorders (TBDs), with biallelic variants leading to severe conditions like dyskeratosis congenita and Hoyeraal-Hreidarsson syndrome in childhood.* -
  • A study of 44 individuals showed that those with biallelic RTEL1 variants had earlier diagnoses and poorer survival rates compared to those with heterozygous variants, indicating a major impact of genotype on health outcomes.* -
  • Out of 257 unique RTEL1 variants identified, many are classified as variants of uncertain significance, highlighting the need for further research to standardize variant classification and improve clinical management of TBDs.*
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  • Genomic instability disorders involve DNA or chromosomal issues that can lead to developmental problems, immunodeficiency, and a higher likelihood of childhood cancers, along with extreme sensitivity to cancer treatments.
  • The American Association of Cancer Research held a workshop in July 2023, where experts discussed updated guidelines for managing and monitoring children at risk for cancer due to these disorders.
  • The article emphasizes the need to identify children with genomic instability disorders for accurate diagnosis, genetic counseling, and informed decisions regarding cancer screening and treatment options.
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BCR-ABL1 compound mutations can lead to resistance to ABL1 inhibitors in chronic myeloid leukemia (CML), which could be targeted by combining the ATP-site inhibitor ponatinib and the allosteric inhibitor asciminib. Here, we report the clinical validation of this approach in a CML patient, providing a basis for combination therapy to overcome such resistance.

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  • Pediatric patients with gastrointestinal (GI) polyposis and cancer often have hereditary cancer risk syndromes that necessitate ongoing cancer screening.
  • Recognizing at-risk individuals through family history and clinical features aids in effective cancer risk assessment and management from childhood onward.
  • The 2024 updates to hereditary GI cancer screening guidelines emphasize collaboration between pediatric and adult gastroenterology to enhance management practices, focusing on conditions like familial adenomatous polyposis, Peutz-Jeghers syndrome, and juvenile polyposis syndrome.
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People with transient epileptic amnesia (TEA) experience deficits in memory, however, little is known about their everyday experience of this, and no memory intervention studies have been conducted within this group. Using a two-part qualitative method, this study explored the lived experience of people with TEA and possible avenues for memory intervention. Fourteen people with TEA participated in either a focus group ( = 7) or an online survey ( = 7) to answer questions regarding their memory difficulties, impact on their lives, and strategies to mitigate these problems.

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Severe aplastic anaemia (SAA) is a rare and life-threatening bone marrow failure disorder. We used data from the transplant outcomes in aplastic anaemia study to characterize mosaic chromosomal alterations (mCAs) in the peripheral blood of 738 patients with acquired SAA and evaluate their associations with telomere length (TL) and survival post-haematopoietic cell transplant (HCT). The median age at HCT was 20.

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Article Synopsis
  • * Recent studies have expanded the list of these gene variants, leading to updates on surveillance and intervention strategies for at-risk children, including early hematopoietic stem cell transplantation.
  • * A 2023 expert panel provided new recommendations for monitoring these children, emphasizing personalized approaches based on genetic profiles, including regular check-ups and specialized testing like bone marrow examinations and gene sequencing.
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Article Synopsis
  • Fanconi anemia (FA), dyskeratosis congenita-related telomere biology disorders (DC/TBD), and Diamond-Blackfan anemia (DBA) are inherited conditions that significantly increase the risk of bone marrow failure and related cancers.
  • The study found that males with FA and DC/TBD had significantly lower serum levels of anti-Müllerian hormone (AMH), a marker for fertility, compared to unaffected relatives and healthy males.
  • These results suggest that there might be a defect in AMH production in postpubertal males with FA and DC/TBD, indicating potential fertility issues similar to those seen in females; further research is needed to confirm these findings.
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