Publications by authors named "Ruth Pulikottil Jacob"

Article Synopsis
  • Acid sphingomyelinase deficiency (ASMD) is a serious genetic disease that can affect people from childhood to adulthood, caused by problems with a gene called SMPD1.
  • A study reviewed medical records from 27 hospitals in France to learn more about the health and survival of patients with ASMD from 1990 to 2020.
  • The results showed that patients with type A usually did not live past early childhood, while those with type B lived longer, but there were still risks of early death from serious illnesses like neurodegeneration and cancer.
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Article Synopsis
  • Acid sphingomyelinase deficiency (ASMD) is a rare lysosomal storage disease, and this study aimed to understand its natural history in children and adolescents.
  • The research included 18 patients from European centers, focusing on their medical conditions and treatments before any intervention, with a median diagnosis age of 2.5 years and a follow-up period of 10 years.
  • Common health issues reported included liver and spleen problems, frequent hospitalizations, and various surgical and infection-related events, aligning with existing literature on ASMD.
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Introduction: Gaucher disease type 3 (GD3) is a genetic, progressive lysosomal storage disorder characterized by visceral manifestations and chronic neurologic symptoms (e.g., horizontal ophthalmoplegia/supranuclear gaze palsy, ataxia, dystonia).

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Article Synopsis
  • Acid sphingomyelinase deficiency (ASMD) is a rare lysosomal storage disease in Germany with various clinical forms, necessitating more data on survival and health outcomes in affected patients.
  • A retrospective study analyzed medical records of 33 patients diagnosed with ASMD type B or A/B between 1990 and 2021, focusing on demographics, medical history, hospitalizations, and mortality rates.
  • The study found a high mortality rate, especially in patients under 18, with median ages at diagnosis of 8 years for type B and 1 year for type A/B, revealing that liver and respiratory issues were the leading causes of death.
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Article Synopsis
  • ASMD is a rare and serious disease that affects how the body processes certain fats and can be life-threatening.
  • A study talked to patients, their caregivers, and doctors to understand how long it takes to get diagnosed with ASMD.
  • It usually took about 3 years to find out a patient had ASMD, and many were given wrong diagnoses before getting the right one.
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Introduction: Acid sphingomyelinase deficiency (ASMD) type B is a rare genetic disorder leading to enlargement of the spleen and liver, pulmonary dysfunction, and other symptoms. Cost-utility analyses are often conducted to quantify the value of new treatments, and these analyses require health state utilities. Therefore, the purpose of this study was to estimate utilities associated with varying levels of severity of adult and pediatric ASMD type B.

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Background: Acid sphingomyelinase deficiency (ASMD), historically known as Niemann-Pick disease type A, A/B, and B, is a rare lysosomal storage pathology with multisystemic clinical manifestations. The aims of this study were to estimate the survival probability in patients in the United States with chronic ASMD (ASMD types B and A/B), and to describe the disease characteristics of these patients.

Methods: This observational retrospective study included medical chart records of patients with chronic ASMD with retrievable data abstracted by 69 participating physicians from 25 medical centers in the United States.

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Purpose: Acid sphingomyelinase deficiency (ASMD) is a rare, progressive, and potentially fatal disease affecting major organs; its symptoms present heterogeneously. Data on the most bothersome symptoms for patients with ASMD types B or A/B and their caregivers or parents are limited. We conducted a survey to quantify the relative impact of potential ASMD symptoms and risks for patients and parents/caregivers.

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Introduction: Acid sphingomyelinase deficiency (ASMD) is a rare lysosomal storage disease. Patients with ASMD type B experience multiple morbidities, potentially leading to early mortality. Before the 2022 approval of olipudase alfa for non-neuronopathic ASMD manifestations, only symptom management was offered.

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Acid sphingomyelinase deficiency (ASMD), historically known as Niemann-Pick disease (NPD) types A, A/B, and B, is a rare, progressive, potentially fatal lysosomal storage disease with a spectrum of phenotypes. Little is known about how ASMD symptoms affect the lives of patients and their caregivers. In a cross-sectional qualitative study conducted in the US and UK, and in collaboration with the National Niemann-Pick Disease Foundation (US) and Niemann-Pick UK, we investigated the symptom experience of patients with ASMD types B and A/B and explored how the disease impacts their and their caregivers' lives.

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Background: The GM2 gangliosidoses (GM2), Tay-Sachs and Sandhoff diseases, are rare, autosomal recessive genetic disorders caused by mutations in the lysosomal enzyme β-hexosaminidase A (HEXA) or β-hexosaminidase B (HEXB) genes, respectively. A minority of patients have a late-onset form of disease that presents from late-childhood to adulthood and has a slowly progressive course with prolonged survival. Little research has been published documenting patient experiences with late-onset Tay-Sachs and Sandhoff diseases and how the disease impacts their daily lives and functioning.

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Objectives: To investigate through survey and data linkage, healthcare resource use and costs (except drugs), including who bears the cost, of multiple sclerosis in the United Kingdom by disease severity and type.

Methods: The United Kingdom Multiple Sclerosis Register deployed a cost of illness survey, completed by people with multiple sclerosis and linked this with data within the United Kingdom Multiple Sclerosis Register and from their hospital records. Resource consumption was categorised as being medical or non-medical and costed by National Health Service and social services estimates for 2018.

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Introduction: The estimation of utility values for the economic evaluation of therapies for wet age-related macular degeneration (AMD) is a particular challenge. Previous economic models in wet AMD have been criticized for failing to capture the bilateral nature of wet AMD by modelling visual acuity (VA) and utility values associated with the better-seeing eye only.

Methods: Here we present a de novo regression analysis using generalized estimating equations (GEE) applied to a previous dataset of time trade-off (TTO)-derived utility values from a sample of the UK population that wore contact lenses to simulate visual deterioration in wet AMD.

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Background: Inflammatory arthritis leads to work disability, absenteeism and presenteeism (i.e. at-work productivity loss) at high cost to individuals, employers and society.

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Objectives: The aim of this study was to determine if an interactive web-based pulmonary rehabilitation (PR) programme is a feasible alternative to conventional PR.

Design: Randomised controlled feasibility trial.

Setting: Participants with a diagnosis of chronic obstructive pulmonary disease were recruited from PR assessments, primary care and community rehabilitation programmes.

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Introduction: Neovascular age-related macular degeneration (nAMD) is a chronic eye condition that causes severe deterioration of vision and ultimately blindness. Two vascular endothelial growth factor inhibitors are approved for nAMD treatment in Europe: ranibizumab and aflibercept. The European license for ranibizumab was updated with an individualized "treat and extend" (T&E) regimen, which involves more proactive treatment based on changes in best corrected visual acuity (BCVA) and/or anatomical outcomes.

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Objective: To compare the clinical and cost-effectiveness of a Community In-reach Rehabilitation and Care Transition (CIRACT) service with the traditional hospital-based rehabilitation (THB-Rehab) service.

Design: Pragmatic randomised controlled trial with an integral health economic study.

Settings: Large UK teaching hospital, with community follow-up.

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Background: Total hip replacement for end stage arthritis of the hip is currently the most common elective surgical procedure. In 2007 about 7.5% of UK implants were metal-on-metal joint resurfacing (MoM RS) procedures.

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Background: Previously developed models in ophthalmology have generally used a Markovian structure. There are a number of limitations with this approach, most notably the ability to base patient outcomes on best-corrected visual acuity (BCVA) in both eyes, which may be overcome using a different modelling structure. Simulation modelling allows for this to be modelled more precisely, and therefore may provide more accurate and relevant estimates of the cost effectiveness of ophthalmology interventions.

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Introduction: Wet age-related macular degeneration (AMD) is a chronic eye condition that causes severe deterioration of vision and even blindness. Current wet AMD treatment in the UK involves the vascular endothelial growth factor inhibitors ranibizumab and aflibercept. Patients with wet AMD require frequent and long-term monitoring for treatment to be effective, contributing to a substantial resource burden at wet AMD centers.

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Background: Poor nutrition in the first months after oesophago-gastric resection is a contributing factor to the reduced quality of life seen in these patients. The aim of this pilot and feasibility study was to ascertain the feasibility of conducting a multi-centre randomised controlled trial to evaluate routine home enteral nutrition in these patients.

Methods: Patients undergoing oesophagectomy or total gastrectomy were randomised to either six weeks of home feeding through a jejunostomy (intervention), or treatment as usual (control).

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Objective: To compare 10 year revision rates for frequently used types of primary total hip replacement to inform setting of a new benchmark rate in England and Wales that will be of international relevance.

Design: Retrospective cohort study.

Setting: National Joint Registry.

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