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Jacobs K, Leopold A, Hendricks DJ, Sampson E, Nardone A, Lopez KB, Rumrill P, Stauffer C, Elias E, Scherer M, Dembe J. Project Career: Perceived benefits of iPad apps among college students with Traumatic Brain Injury (TBI). Work 2017; 58:45-50. [PMID: 28922175 DOI: 10.3233/wor-172596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Project Career is an interprofessional five-year development project designed to improve academic and employment success of undergraduate students with a traumatic brain injury (TBI) at two- and four-year colleges and universities. Students receive technology in the form of iPad applications ("apps") to support them in and out of the classroom. OBJECTIVE To assess participants' perspectives on technology at baseline and perceived benefit of apps after 6 and 12 months of use. METHODS This article address a component of a larger study. Participants included 50 college-aged students with traumatic brain injuries. Statistical analysis included data from two Matching Person and Technology (MPT) assessment forms, including the Survey of Technology Use at baseline and the Assistive Technology Use Follow-Up Survey: Apps Currently Using, administered at 6- and 12-months re-evaluation. Analyses included frequencies and descriptives. RESULTS Average scores at baseline indicated positive perspectives on technology. At 6 months, quality of life (67%) and academics (76%) improved moderately or more from the use of iPad apps. At 12 months, quality of life (65%) and academics (82%) improved moderately or more from the use of iPad apps. CONCLUSION Students with a TBI have positive perspectives on technology use. The results on perceived benefit of apps indicated that students with a TBI (including civilians and veterans) report that the apps help them perform in daily life and academic settings.
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Kaizerman S, Wacholder E, Elias E. A Drift-Flux Model Flow-Regime Map of Two-Phase Flows for Thermal-Hydraulic Calculations. NUCL SCI ENG 2017. [DOI: 10.13182/nse83-a17724] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Elias E, Segal Y, Notea A. Dual Gauging Utilizing Penetrating and Scattered Photon Fluxes. NUCL TECHNOL 2017. [DOI: 10.13182/nt77-a31792] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Elias E, Segal Y, Notea A. Gamma Gauge for the Control of Interzone Layer in an Extraction Tower. NUCL TECHNOL 2017. [DOI: 10.13182/nt74-a31380] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kaizerman S, Wacholder E, Elias E. Characteristics Analysis of Inhomogeneous, Nonequilibrium, Two-Phase Flows Using the Drift-Flux Model. NUCL SCI ENG 2017. [DOI: 10.13182/nse83-a17725] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Elias E, Segal Y, Notea A. Transmission of Gamma Radiation through Finite Cylindrical Barriers. NUCL TECHNOL 2017. [DOI: 10.13182/nt76-a31567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Yohannes H, Elias E. Contamination of Rivers and Water Reservoirs in and Around Addis Ababa City and Actions to Combat It. ACTA ACUST UNITED AC 2017. [DOI: 10.4172/2753-458x.1000116] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Elias E, St A Lawrence M, Dowling RH. Dissolution of Renal Uric Acid Stones Complicating Ileostomy. Proc R Soc Med 2016. [DOI: 10.1177/00359157730661p115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Elias E, Hasan D, Nekhamkin Y. Zirconium ignition in exposed fuel channel. NUCLEAR ENGINEERING AND DESIGN 2015. [DOI: 10.1016/j.nucengdes.2015.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Elias E, Casselbrant A, Werling M, Abegg K, Vincent RP, Alaghband-Zadeh J, Olbers T, le Roux CW, Fändriks L, Wallenius V. Bone mineral density and expression of vitamin D receptor-dependent calcium uptake mechanisms in the proximal small intestine after bariatric surgery. Br J Surg 2014; 101:1566-75. [PMID: 25209438 DOI: 10.1002/bjs.9626] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 12/17/2013] [Accepted: 07/08/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND Roux-en-Y gastric bypass may lead to impaired calcium uptake. Therefore, operation-specific effects of gastric bypass and vertical banded gastroplasty on bone mineral density (BMD) were examined in a randomized clinical trial. Bone resorption markers and mechanisms of decreased calcium uptake after gastric bypass were investigated using blood and endoscopic samples from two additional patient cohorts. METHODS Total BMD and non-weight-bearing skull BMD were measured by dual-energy X-ray absorptiometry at baseline, and 1 and 6 years after gastric bypass or vertical banded gastroplasty in patients who were not receiving calcium supplements. Bone resorption markers in serum and calcium uptake mechanisms in jejunal mucosa biopsies were analysed after gastric bypass by proteomics including radioimmunoassay, gel electrophoresis and mass spectrometry. RESULTS One year after surgery, weight loss was similar after gastric bypass and vertical banded gastroplasty. There was a moderate decrease in skull BMD after gastric bypass, but not after vertical banded gastroplasty (P < 0·001). Between 1 and 6 years after gastric bypass, skull BMD and total BMD continued to decrease (P = 0·001). C-terminal telopeptide levels in serum had increased twofold by 18 months after gastric bypass. Proteomic analysis of the jejunal mucosa revealed decreased levels of heat-shock protein 90β, a co-activator of the vitamin D receptor, after gastric bypass. Despite increased vitamin D receptor levels, expression of the vitamin D receptor-regulated calcium transporter protein TRPV6 decreased. CONCLUSION BMD decreases independently of weight after gastric bypass. Bone loss might be attributed to impaired calcium absorption caused by decreased activation of vitamin D-dependent calcium absorption mechanisms mediated by heat-shock protein 90β and TRPV6.
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Shaposhnik Y, Shwageraus E, Elias E. Shutdown margin for high conversion BWRs operating in Th-233U fuel cycle. NUCLEAR ENGINEERING AND DESIGN 2014. [DOI: 10.1016/j.nucengdes.2014.05.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Helou J, Elias E, Zhang L, Cheung P, Deabreu A, D'Alimonte L, Perakaa S, Mamedov A, Cardoso M, Loblaw A. Dosimetric and Patient Correlates of Quality of Life After Prostate Stereotactic Ablative Radiation Therapy. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Tripathi D, Macnicholas R, Kothari C, Sunderraj L, Al-Hilou H, Rangarajan B, Chen F, Mangat K, Elias E, Olliff S. Commentary: TIPSS for Budd-Chiari syndrome - authors' reply. Aliment Pharmacol Ther 2014; 39:1238. [PMID: 24735140 DOI: 10.1111/apt.12737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Accepted: 03/16/2014] [Indexed: 12/08/2022]
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Tripathi D, Macnicholas R, Kothari C, Sunderraj L, Al-Hilou H, Rangarajan B, Chen F, Mangat K, Elias E, Olliff S. Good clinical outcomes following transjugular intrahepatic portosystemic stent-shunts in Budd-Chiari syndrome. Aliment Pharmacol Ther 2014; 39:864-72. [PMID: 24611957 DOI: 10.1111/apt.12668] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 12/24/2013] [Accepted: 01/30/2014] [Indexed: 12/25/2022]
Abstract
BACKGROUND There have been encouraging reports on transjugular intrahepatic portosystemic stent-shunt (TIPSS) for Budd-Chiari syndrome (BCS). Long-term data are lacking. AIM To assess long-term outcomes and validate prognostic scores following TIPSS for BCS. METHODS A single centre retrospective study. Patients underwent TIPSS using bare or polytertrafluoroethane (PTFE)-covered stents. RESULTS Sixty-seven patients received successful TIPSS between 1996 and 2012 using covered (n = 40) or bare (n = 27) stents. Patients included had a Male: Female ratio of 21:46, and were characterised (mean ± s.d.) by age 39.9 ± 14.3 years, Model of end stage liver disease (MELD) 16.1 ± 7.0 and Child's score 8.8 ± 2.0. Seventy-eight percent had haematological risk factors. Presenting symptoms were ascites (n = 61) and variceal bleeding (n = 6). Nine patients underwent hepatic vein dilatation or stenting prior to TIPSS. Mean follow-up was 82 months (range 0.5-184 months). Fifteen percent had post-TIPSS encephalopathy. Two have been transplanted. Primary patency rates (76% vs. 27%, P < 0.001) and shunt re-interventions (22% vs. 100%, P < 0.001) significantly favoured covered stents. Secondary patency was 99%. Six-, 12-, 24-, 60- and 120-month survival was 97%, 92%, 87%, 80% and 72% respectively. Six patients had liver related deaths. Two patients developed hepatocellular carcinoma. The BCS TIPS PI independently predicted mortality in the whole cohort, but no prognostic score was a significant predictor of mortality after subgroup validation. CONCLUSIONS Long-term outcomes following TIPSS for Budd-Chiari syndrome are very good. PTFE-covered stents have significantly better primary patency. The value of prognostic scores is controversial. TIPSS should be considered as first line therapy in symptomatic patients in whom hepatic vein patency cannot be restored.
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Shaposhnik Y, Shwageraus E, Elias E. Core design options for high conversion BWRs operating in Th–233U fuel cycle. NUCLEAR ENGINEERING AND DESIGN 2013. [DOI: 10.1016/j.nucengdes.2013.04.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Elias E, Mukherji D, Faraj W, Alameddine R, Saleh A, El Saghir N, Shamseddine A. 43 Effect of Nodal Status in Triple Negative Breast Cancer – Survival Outcomes From a Tertiary Center. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)70111-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Elias E, Benrick A, Behre CJ, Ekman R, Zetterberg H, Stenlöf K, Wallenius V. Central nervous system lipocalin-type prostaglandin D2-synthase is correlated with orexigenic neuropeptides, visceral adiposity and markers of the hypothalamic-pituitary-adrenal axis in obese humans. J Neuroendocrinol 2011; 23:501-7. [PMID: 21438929 DOI: 10.1111/j.1365-2826.2011.02128.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lipocalin-type prostaglandin D2-synthase (L-PGDS) is the main producer of prostaglandin D2 (PGD2) in the central nervous system (CNS). Animal data suggest effects of central nervous L-PGDS in the regulation of food intake and obesity. No human data are available. We hypothesised that a role for CNS L-PGDS in metabolic function in humans would be reflected by correlations with known orexigenic neuropeptides. Cerebrospinal fluid (CSF) and serum samples were retrieved from 26 subjects in a weight loss study, comprising a 3-week dietary lead-in followed by 12-weeks of leptin or placebo treatment. At baseline, CSF L-PGDS was positively correlated with neuropeptide Y (NPY) (ρ = 0.695, P < 0.001, n = 26) and galanin (ρ = 0.651, P < 0.001) as well as visceral adipose tissue (ρ = 0.415, P = 0.035). Furthermore, CSF L-PGDS was inversely correlated with CSF leptin (ρ = -0.529, P = 0.005) and tended to correlate inversely with s.c. adipose tissue (ρ = -0.346, P = 0.084). As reported earlier, leptin treatment had no effect on weight loss and did not affect CSF L-PGDS or NPY levels compared to placebo. After weight loss, the change of CSF L-PGDS was significantly correlated with the change of CSF NPY levels (ρ = 0.604, P = 0.004, n = 21). Because of the correlation between baseline CSF L-PGDS levels and visceral adipose tissue, we examined associations with hypothalamic-pituitary-adrenal (HPA) axis components. Baseline CSF L-PGDS was correlated with corticotrophin-releasing hormone (ρ = 0.764, P < 0.001) and β-endorphin (ρ = 0.491, P < 0.001). By contrast, serum L-PGDS was not correlated with any of the measured variables either at baseline or after treatment. In summary, CSF L-PGDS was correlated with orexigenic neuropeptides, visceral fat distribution and central HPA axis mediators. The importance of these findings is unclear but could suggest a role for CSF L-PGDS in the regulation of visceral obesity by interaction with the neuroendocrine circuits regulating appetite and fat distribution. Further interventional studies will be needed to characterise these interactions in more detail.
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Wallenius V, Elias E, Bergstrom GML, Zetterberg H, Behre CJ. The lipocalins retinol-binding protein-4, lipocalin-2 and lipocalin-type prostaglandin D2-synthase correlate with markers of inflammatory activity, alcohol intake and blood lipids, but not with insulin sensitivity in metabolically healthy 58-year-old Swedish men. Exp Clin Endocrinol Diabetes 2010; 119:75-80. [PMID: 21104585 DOI: 10.1055/s-0030-1265212] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The lipocalins retinol-binding protein (RBP)-4, lipocalin-2 and lipocalin-type prostaglandin D-synthase (L-PGDS) have been suggested to mediate obesity-associated insulin resistance and other metabolic co-morbidities. The role of lipocalins is however controversial and it is unclear whether they have a physiological role in regulation of insulin sensitivity and metabolic function in clinically healthy humans. Therefore, we examined the correlations between serum levels of RBP-4, L-PGDS and lipocalin-2 and insulin sensitivity and other metabolic parameters in non-diabetic subjects selected to display variations in insulin sensitivity. 100 clinically healthy 58-year-old Swedish men were selected by stratified sampling among 818 screened subjects to represent quintiles of varying degrees of insulin sensitivity. Insulin sensitivity was measured by the euglycaemic hyperinsulinaemic clamp method. Serum levels of lipocalins and cytokines were determined using antibody-based techniques. Serum lipids were measured by standardized laboratory methods. None of the measured lipocalins showed any correlations with insulin sensitivity. However, we found that lipocalin-2 and L-PGDS were correlated with each other, but not with RBP-4. Lipocalin-2 and L-PGDS were positively correlated with soluble TNF- receptors 1 and 2 and negatively with alcohol consumption and serum HDL. Further, lipocalin-2 was correlated with interleukin-6 whereas RBP-4 was negatively correlated with TNF-α. □These results suggest that RBP-4, lipocalin-2 and L-PGDS do not regulate insulin sensitivity in healthy men. Rather the expression levels of lipocalin-2 and L-PGDS, but not RBP-4, seemed to reflect inflammatory activity and were inversely correlated with alcohol intake and serum HDL levels.
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Schramm B, Elias E, Kern L, Natour G, Schmitt A, Weber C. Precise Measurements of Second Virial Coefficients of Simple Gases and Gas Mixtures in the Temperature Range Below 300 K. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19910950513] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Vatter K, Schmidt HJ, Elias E, Schramm B. Measurements of Interaction Second Virial Coefficients of Binary Mixtures of Inert Gases and Gases. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19961000114] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Elias E, Hoang N, Sommer J, Schramm B. Die zweiten Virialkoeffizienten von Helium-Gasmischungen im Bereich unterhalb Zimmertemperatur. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19860900406] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Talbot-Smith A, Syn WK, MacQuillan G, Neil D, Elias E, Ryan P. Familial idiopathic pulmonary fibrosis in association with bone marrow hypoplasia and hepatic nodular regenerative hyperplasia: a new "trimorphic" syndrome. Thorax 2009; 64:440-3. [PMID: 19401489 DOI: 10.1136/thx.2008.099796] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This is the first report of familial idiopathic pulmonary fibrosis associated with hepatic nodular regenerative hyperplasia and bone marrow hypoplasia. Four members of one family presented with this triad of organ dysfunction. The response to immunosuppressive treatment was poor and all four members succumbed to the disease processes. The current literature is reviewed and mechanisms that could have been involved in the development of this new syndrome are proposed.
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Owen BM, Van Mil SWC, Boudjelal M, McLay I, Cairns W, Elias E, White R, Williamson C, Dixon PH. Sequencing and functional assessment of hPXR (NR1I2) variants in intrahepatic cholestasis of pregnancy. Xenobiotica 2008; 38:1289-97. [PMID: 18800312 DOI: 10.1080/00498250802426114] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
1. The purpose of this study was to evaluate the role of coding variation in hPXR (NR1I2) in intrahepatic cholestasis of pregnancy (ICP) and to functionally asses the response of PXR variants to ligands of interest in ICP. 2. The coding region of hPXR was sequenced in a cohort of 121 Caucasian ICP patients and exon 2 was sequenced in an additional 226 cases. Reporter assays were used to evaluate the function of all known hPXR variants in response to the secondary bile acid lithocholic acid and therapeutic agents rifampicin, ursodeoxycholic acid and dexamethasone. 3. Two coding single nucleotide polymorphisms (C79T and G106A) were detected in the ICP cohort at frequencies consistent with healthy populations. These do not alter hPXR function in response to ligands of interest to ICP. Analysis of all known coding hPXR variants demonstrates that while subtle changes in experimental design mask or may unveil the functional effects of genetic variation, these are not maintained in a standard functional assay. 4. Coding genetic variation in hPXR does not contribute to the aetiology of ICP in Caucasian populations.
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Ladoyanni E, Pereira M, Struthers K, Chen K, Haydon G, Mutimer D, Elias E, Ilchyshyn A. DisseminatedCryptococcusinfection in a liver-transplant recipient presenting with a chronic scalp eruption. Clin Exp Dermatol 2008; 33:655-6. [DOI: 10.1111/j.1365-2230.2008.02781.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Geberhiwot T, Alger S, McKiernan P, Packard C, Caslake M, Elias E, Cramb R. Serum lipid and lipoprotein profile of patients with glycogen storage disease types I, III and IX. J Inherit Metab Dis 2007; 30:406. [PMID: 17407002 DOI: 10.1007/s10545-007-0485-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2006] [Revised: 03/02/2007] [Accepted: 03/02/2007] [Indexed: 10/23/2022]
Abstract
With current dietary therapy, life expectancy in glycogen storage disease (GSD) has improved considerably and more children reach adulthood. Notwithstanding intensive dietary therapy, moderate to severe hyperlipidaemia is still observed frequently. There is limited information about the type and extent of hyperlipidaemia. We studied the lipid profile in 20 patients, aged 8-54 years, of the three (types I, III and IX) most common forms of adult GSD. Hyperlipidaemia was shown to be type-specific, affecting predominantly patients with GSD type Ia, who showed marked combined hypercholesterolaemia and hypertriglyceridaemia. By contrast, a heterogeneous distribution of HDL was found in patients with GSD I and III. There was no significant difference in Apo Al and Apo B concentrations between groups. In addition, mass measurements of the fractions of VLDL1, VLDL2 and IDL were raised in all patients with GSD Ia by comparison with all other patients with GSD. Patients with GSD type Ia have lipid concentrations and individual mass measurements that are consistent with ranges found in patients who have a significant risk of atherosclerosis. Accumulated evidence, however, suggest GSD type Ia patients do not have an increased risk of atherosclerotic cardiovascular disease (CVD) but the reason remains unknown. Intervention to reduce their lipid levels could therefore be on the basis of seeking to prevent the risk of pancreatitis rather than that of CVD.
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