23 research outputs found
The Influence of Diet and Exercise on the Physical Health of Affected Individuals with VCP Disease
While there is no curative treatment for the Inclusion body myopathy, Paget disease of bone and/ or frontotemporal dementia (IBMPFD) disorder, it is worthwhile to investigate alternate therapies that may slow the progression of the disease and improve the quality of life in this patient population. Therefore, this study aims to evaluate the impact of diet and exercise changes on the Quality of Life questionnaire. We assessed data from the questionnaire in 30 individuals (mean age 50.86 years; range 27-65 years; 16 Males, 14 Females) that participated in the clinical study of Valosin Containing Protein (VCP) disease. Eleven affected individuals consumed a high fat/sugar diet and 15 low fat/sugar diet of 4.09±0.25 and 1.53±0.13 servings/day respectively. Eleven individuals reported not exercising and 12 reported moderate exercise of 2.44±0.74 hours/week. In this cohort we found significantly higher mean physical health domain score for all those who exercised (P=.02) and surprisingly in those who had a high fat/sugar diet (P=.01). In the high fat/sugar diet group there was a significantly greater ability to walk; greater perceived muscle strength in arms and legs (P=.03; P=.02 and P= .02 respectively). Therefore lifestyle changes with exercise training and a higher fat/ sugar diet may have a beneficial effect in affected individuals with VCP disease. Nevertheless, larger studies with further research are needed to confirm these preliminary studies before making clinical practice recommendations.
A case report comparing clinical, imaging and neuropsychological assessment findings in twins discordant for the VCP p.R155C mutation
Highlights • We compared MRI and neuropsychological test data in twins discordant for VCP mutation. • Affected twin revealed rapid cognitive decline in a span of 1 year. • FTD related cognitive features may precede behavioral changes in VCP disease. • Cognitive-behavioral impairment may be missed on routine neurological exam and MMSE. • Need for a dedicated screening measure to recognize the neurological impairment. ARTICLE IN PRESS Please cite this article in press as: Abhilasha Surampalli, Brian T. Gold, Charles Smith, Rudy J. Abstract Inclusion body myopathy, Paget disease of bone and/or frontotemporal dementia is an autosomal dominant disease caused by mutations in the Valosin Containing Protein (VCP) gene. We compared clinical findings including MRI images and neuropsychological assessment data in affected and unaffected twin brothers aged 56 years from a family with the p.R155C VCP gene mutation. The affected twin presented with a 10 year history of progressive proximal muscle weakness, difficulty swallowing, gastroesophageal reflux, fecal incontinence, and peripheral neuropathy. Comprehensive neuropsychological testing revealed rapid cognitive decline in the absence of any behavioral changes in a span of 1 year. This case illustrates that frontotemporal dementia related cognitive impairment may precede behavioral changes in VCP disease as compared with predominance of behavioral impairment reported in previous studies. Our findings suggest that there is a need to establish VCP disease specific tools and normative rates of decline to detect pre-clinical cognitive impairment among affected individuals
Effect of genetic subtypes and growth hormone treatment on bone mineral density in Prader-Willi syndrome
Vancomycin Dosing in Children With Overweight or Obesity: A Systematic Review and Meta-analysis.
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The Influence of Diet and Exercise on the Physical Health of Affected Individuals with VCP Disease
While there is no curative treatment for the Inclusion body myopathy, Paget disease of bone and/ or
frontotemporal dementia (IBMPFD) disorder, it is worthwhile to investigate alternate therapies that may slow the progression of the disease and improve the quality of life in this patient population. Therefore, this study aims to evaluate the impact of diet and exercise changes on the Quality of Life questionnaire. We assessed data from the questionnaire in 30 individuals (mean age 50.86 years; range 27-65 years; 16 Males, 14 Females) that participated in the clinical study ofValosin Containing Protein (VCP) disease. Eleven affected individuals consumed a high fat/sugar diet and 15 low fat/sugar diet of 4.09±0.25 and 1.53±0.13 servings/day respectively. Eleven individuals reported not exercising and 12 reported moderate exercise of 2.44±0.74 hours/week. In this cohort we found significantly higher mean physical health domain score for all those who exercised (P=.02) and surprisingly in those who had a high fat/sugar diet (P=.01). In the high fat/sugar diet group there was a significantly greater ability to walk; greater perceived muscle strength in arms and legs (P=.03; P=.02 and P= .02 respectively). Therefore lifestyle changes with exercise training and a higher fat/ sugar diet may have a beneficial effect in affected individuals with VCP disease. Nevertheless, larger studies with further research are needed to confirm these preliminary studies before making clinical practice recommendations
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Early-onset Alzheimers and cortical vision impairment in a woman with valosin-containing protein disease associated with 2 APOE ε4/APOE ε4 genotype.
Hereditary inclusion body myopathy is a heterogeneous group of disorders characterized by rimmed vacuoles and by the presence of filamentous cytoplasmic and intranuclear inclusions. Inclusion body myopathy with Paget disease of bone and frontotemporal dementia is a progressive autosomal dominant disorder associated with a mutation in valosin-containing protein (VCP) with typical onset of symptoms in the 30s. APOE [Latin Small Letter Open E]4 is a major risk factor for late-onset Alzheimer disease, a progressive neurodegenerative disorder that affects memory, thinking, behavior, and emotion as a result of the excessive buildup and decreased clearance of β-amyloid proteins resulting in the appearance of neuritic plaques and neurofibrillary tangles. In conclusion, we report a unique patient with an APOE [Latin Small Letter Open E]4/APOE [Latin Small Letter Open E]4 genotype and atypical VCP disease associated with early Alzheimer disease and severe vision impairment. Future studies will elucidate the interaction of VCP mutations and APOE [Latin Small Letter Open E]4 alleles in understanding common mechanisms in AD and VCP disease
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Vancomycin Dosing in Children With Overweight or Obesity: A Systematic Review and Meta-analysis
ContextVancomycin is a medication with potential for significant harm with both overdosing and underdosing. Obesity may affect vancomycin pharmacokinetics and is increasingly common among children.ObjectiveWe aimed to determine if children with overweight or obesity have increased vancomycin trough concentrations with total body weight (TBW) dosing compared with children with normal weight.Data sourcesWe conducted a search of Medline and Medline In-Process & Other Non-Indexed Citations from 1952 (the year vancomycin was discovered) to November 2017.Study selectionSearch terms included vancomycin, body weight, and body composition terms and were limited to children. Studies were reviewed and screened by ≥2 reviewers.Data extractionThe primary outcome was vancomycin level. Data were extracted by 2 reviewers. We performed quality assessment using the Newcastle-Ottawa quality assessment scale.ResultsWe identified 271 records. After abstract and full-text screening, we identified 7 studies for full review. Six of the 7 studies used a matched case-control design, although there was significant variation in study methodology. Four of the 7 studies were included in a meta-analysis, which revealed a small but significant difference in vancomycin trough levels between children with normal weight and children with overweight or obesity when dosed by using TBW (N = 521; mean difference 2.2 U [95% confidence interval: 1.0-3.4]).ConclusionsHigh-quality data to guide vancomycin dosing in children with obesity are lacking. More studies evaluating dosing strategies in children with obesity are warranted because using TBW to dose vancomycin may lead to higher vancomycin concentrations and potential toxicity
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Impact of genetic subtypes of Prader-Willi syndrome with growth hormone therapy on intelligence and body mass index.
Prader-Willi syndrome (PWS) is a genomic imprinting disorder characterized by infantile hypotonia with a poor suck and failure to thrive, hypogenitalism/hypogonadism, behavior and cognitive problems, hormone deficiencies, hyperphagia, and obesity. The Stanford Binet and Wechsler (WAIS-R; WISC-III) intelligence (IQ) tests were administered on 103 individuals with PWS from two separate cohorts [University of California, Irvine (UCI) (N = 56) and Vanderbilt University (N = 47)] and clinical information obtained including growth hormone (GH) treatment, PWS molecular classes, weight and height. Significantly higher IQ scores (p < .02) were found representing the vocabulary section of the Stanford Binet test in the growth hormone (GH) treated group when compared with non-GH treatment in the pediatric-based UCI PWS cohort with a trend for stabilization of vocabulary IQ scores with age in the GH treated maternal disomy (UPD) 15 subject group. Significant differences (p = .05) were also found in the adult-based Vanderbilt PWS cohort with 15q11-q13 deletion subjects having lower Verbal IQ scores compared with UPD 15. No difference in body mass index was identified based on the PWS molecular class or genetic subtype. Medical care and response to treatment with growth hormone may influence intelligence impacted by PWS genetic subtypes and possibly age, but more studies are needed
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Effect of genetic subtypes and growth hormone treatment on bone mineral density in Prader-Willi syndrome.
UnlabelledAbstract Background: Currently, there is limited information on the effects of growth hormone and of the different genetic subtypes on bone mineral density (BMD) in Prader-Willi syndrome (PWS).MethodsWe evaluated BMD in 79 individuals with the common subtypes of PWS (48 with deletion and 27 with UPD) and the effect of growth hormone treatment (n=46) vs. no growth hormone treatment.ResultsForty-four percent of the individuals studied had whole body, hip, or spine BMD <-1 standard deviation (SD) and 10% had a BMD <-2 SD. BMD Z-scores and total BMD (g/cm2) of the spine were significantly higher in the growth hormone group. With each year of growth hormone treatment, these values increased by a factor of 0.207 and 0.011 (p=0.006 and 0.032), respectively. Individuals with uniparental disomy revealed higher spine BMD compared with deletion subclass; however, the differences were not significant.ConclusionThis study emphasizes the importance of evaluating bone mineralization in individuals with PWS and the beneficial effects of prolonged treatment with growth hormone. There was a trend for a higher BMD in individuals with uniparental disomy