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de Vries M, Westerink J, Kaasjager HAH, de Valk HW. Association of physical activity and sports participation with insulin resistance and non-alcoholic fatty liver disease in people with type 1 diabetes. Diabet Med 2024; 41:e15317. [PMID: 38588026 DOI: 10.1111/dme.15317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/29/2024] [Accepted: 03/10/2024] [Indexed: 04/10/2024]
Abstract
AIM To evaluate the association between physical activity (PA) and sports participation with insulin resistance and non-alcoholic fatty liver disease (NAFLD) in people with type 1 diabetes (T1D). METHODS People with T1D from a secondary and tertiary care centre were included. Questionnaire-derived PA was expressed in metabolic equivalent of task hours per week (METh/week). Insulin sensitivity was calculated with the estimated glucose disposal rate (eGDR). NAFLD was assessed by transient elastography (TE). Multivariate linear and logistic regression models were conducted, adjusted for age, sex, diabetes duration and BMI. RESULTS In total, 254 participants were included (men 56%, age 44 ± 14 years, diabetes duration 24 ± 14 years, median BMI 24.8 kg/m2), of which 150 participants underwent TE. Total PA (median 50.7 METh/week) was not significantly associated with insulin resistance (median eGDR 7.31 mg/kg/min) (beta -0.00, 95% CI -0.01 to 0.00) or with NAFLD (OR 1.00, 95% CI 0.99-1.01). Participating in sports was significantly associated with eGDR (beta 0.94, 95% CI 0.48-1.41) and with NAFLD (OR 0.21, 95% CI 0.08-0.56). CONCLUSIONS In our T1D population, we could not find any dose-dependent association between PA, insulin resistance and NAFLD. People participating in sports had a lower degree of insulin resistance and lower odds for NAFLD.
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de Vries M, Christianen MEMC, Luthart L, de Vries KC, Kolkman-Deurloo IKK, van den Dobbelsteen JJ. Dosimetric benefits and preclinical performance of steerable needles in HDR prostate brachytherapy. Med Eng Phys 2024; 128:104177. [PMID: 38789214 DOI: 10.1016/j.medengphy.2024.104177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/19/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Abstract
Prostate cancer patients with an enlarged prostate and/or excessive pubic arch interference (PAI) are generally considered non-eligible for high-dose-rate (HDR) brachytherapy (BT). Steerable needles have been developed to make these patients eligible again. This study aims to validate the dosimetric impact and performance of steerable needles within the conventional clinical setting. HDR BT treatment plans were generated, needle implantations were performed in a prostate phantom, with prostate volume > 55 cm3 and excessive PAI of 10 mm, and pre- and post-implant dosimetry were compared considering the dosimetric constraints: prostate V100 > 95 % (13.50 Gy), urethra D0.1cm3 < 115 % (15.53 Gy) and rectum D1cm3 < 75 % (10.13 Gy). The inclusion of steerable needles resulted in a notable enhancement of the dose distribution and prostate V100 compared to treatment plans exclusively employing rigid needles to address PAI. Furthermore, the steerable needle plan demonstrated better agreement between pre- and post-implant dosimetry (prostate V100: 96.24 % vs. 93.74 %) compared to the rigid needle plans (79.13 % vs. 72.86 % and 87.70 % vs. 81.76 %), with no major changes in the clinical workflow and no changes in the clinical set-up. The steerable needle approach allows for more flexibility in needle positioning, ensuring a highly conformal dose distribution, and hence, HDR BT is a feasible treatment option again for prostate cancer patients with an enlarged prostate and/or excessive PAI.
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van Dijk AM, de Vries M, El-Morabit F, Bac ST, Mundt MW, van der Schuit LE, Hirdes MMC, Kara M, de Bruijne J, van Meer S, Kaasjager HAH, de Valk HW, Vleggaar FP, van Erpecum KJ. Intra-gastric balloon with lifestyle modification: a promising therapeutic option for overweight and obese patients with metabolic dysfunction-associated steatotic liver disease. Intern Emerg Med 2023; 18:2271-2280. [PMID: 37700180 PMCID: PMC10635963 DOI: 10.1007/s11739-023-03417-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/28/2023] [Indexed: 09/14/2023]
Abstract
BACKGROUND Data on effects of intra-gastric balloon (IGB) on metabolic dysfunction-associated steatotic liver disease (MASLD) are scarce, in part with contradictory results, and mainly obtained in tertiary care patients with diabetes and other comorbidities. We here explore effects of IGB in patients with MASLD referred to a first-line obesity clinic. METHODS In this prospective cohort study, patients with at least significant fibrosis (≥ F2) and/or severe steatosis (S3) according to screening transient elastography (FibroScan®) were offered a second FibroScan® after 6 months lifestyle modification with or without IGB (based on patient preference). RESULTS 50 of 100 consecutively screened patients (generally non-diabetic) qualified for repeated evaluation and 29 (58%) of those had a second FibroScan®. At baseline, at least significant fibrosis was present in 28% and severe steatosis in 91%. IGB was placed in 19 patients (59%), whereas 10 patients (41%) preferred only lifestyle modification (no differences in baseline characteristics between both groups). After 6 months, liver stiffness decreased markedly in the IGB group (median: from 6.0 to 4.9 kPa, p = 0.005), but not in the lifestyle modification only group (median: from 5.5 to 6.9 kPa, p = 0.477). Steatosis improved in both groups, (controlled attenuation parameter values; IGB, mean ± SD: from 328 ± 34 to 272 ± 62 dB/m, p = 0.006: lifestyle modification only, mean ± SD: from 344 ± 33 to 305 ± 43 dB/m: p = 0.006). CONCLUSION Both steatosis and fibrosis improve markedly in overweight/obese patients with MASLD after 6 months IGB combined with lifestyle modification. Our results warrant further research into long-term effect of IGB in these patients.
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de Vries M, Wijntjes M, Sikorski J, Moreira P, van de Berg NJ, van den Dobbelsteen JJ, Misra S. MR-guided HDR prostate brachytherapy with teleoperated steerable needles. J Robot Surg 2023; 17:2461-2469. [PMID: 37480476 PMCID: PMC10492758 DOI: 10.1007/s11701-023-01676-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/08/2023] [Indexed: 07/24/2023]
Abstract
Conformity of tumour volumes and dose plans in prostate brachytherapy (BT) can be constrained by unwanted needle deflections, needle access restrictions and visualisation limitations. This work validates the feasibility of teleoperated robotic control of an active steerable needle using magnetic resonance (MR) for guidance. With this system, perturbations can be counteracted and critical structures can be circumvented to access currently inaccessible areas. The system comprises of (1) a novel steerable needle, (2) the minimally invasive robotics in an MR environment (MIRIAM) system, and (3) the daVinci Research Kit (dVRK). MR scans provide visual feedback to the operator controlling the dVRK. Needle steering is performed along curved trajectories to avoid the urethra towards targets (representing tumour tissue) in a prostate phantom with a targeting error of 1.2 ± 1.0 mm. This work shows the potential clinical applicability of active needle steering for prostate BT with a teleoperated robotic system in an MR environment.
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de Vries M, Claassen L, Lambooij M, Timen A. The impact of the AstraZeneca suspensions on the public’s vaccination intentions and trust. Eur J Public Health 2022. [DOI: 10.1093/eurpub/ckac131.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
In spring 2021, several countries, among which the Netherlands, suspended vaccinations against COVID-19 with the Vaxzevria vaccine from AstraZeneca (AZ) after reports of rare but severe adverse events (SAE). We investigated the impact of this news and the suspension on the Dutch public’s COVID-19 vaccination intentions, COVID-19 vaccination perceptions (attitudes and feelings) and their trust in the government’s COVID-19 vaccination campaign.
Methods
We conducted two surveys (N = 2628), one shortly before the AZ suspension in the Netherlands and one shortly thereafter when all vaccinations were resumed. Chi2 tests were conducted to study changes in COVID-19 vaccination perceptions, intentions and trust before and after the suspension, and differences between perceptions and intentions regarding AZ vaccines compared to COVID-19 vaccines in general. All variables were measured on a 5-point Likert scale.
Results
No significant changes were observed in COVID-19 vaccination perceptions and intentions, but trust in the campaign declined slightly (mean diff.(ΔM)=-0.2, 95% CI=-0.3/-0.2). In addition, compared to COVID-19 vaccinations in general, respondents were less likely to vaccinate with AZ (ΔM=-0.7, 95% CI=-0.7/-0.7), reported less positive vaccine attitudes (ΔM=-0.7, 95% CI=-0.7/-0.7), and more negative feelings (ΔM=0.5, 95% CI = 0.4/0.5).
Conclusions
The news on SAE and the AZ suspension might have caused a decline in trust in the government’s COVID-19 vaccination campaign, as well as negatively impacted AZ vaccination perceptions and intentions. These results stress the need to adapt vaccination policies to anticipated public perceptions and responses following a vaccine safety scare, as well as the importance of informing citizens about the possibility of very rare SAE prior to the introduction of novel vaccines.
Key messages
• Trust in the COVID-19 vaccination campaign declined following the news on rare but severe adverse events (SAE) and the suspension of AstraZeneca vaccines.
• While the news on SAE and the vaccination suspension did not seem to impact COVID-19 vaccination intentions in general, intentions to vaccinate with AstraZeneca were considerably lower.
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de Vries M, Nwozor KO, Muizer K, Wisman M, Timens W, van den Berge M, Faiz A, Hackett TL, Heijink IH, Brandsma CA. The relation between age and airway epithelial barrier function. Respir Res 2022; 23:43. [PMID: 35241091 PMCID: PMC8892715 DOI: 10.1186/s12931-022-01961-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/11/2022] [Indexed: 11/10/2022] Open
Abstract
Background The prevalence of age-associated diseases, such as chronic obstructive pulmonary disease (COPD), is increasing as the average life expectancy increases around the world. We previously identified a gene signature for ageing in the human lung which included genes involved in apical and tight junction assembly, suggesting a role for airway epithelial barrier dysfunction with ageing. Aim To investigate the association between genes involved in epithelial barrier function and age both in silico and in vitro in the airway epithelium. Methods We curated a gene signature of 274 genes for epithelial barrier function and tested the association with age in two independent cohorts of bronchial brushings from healthy individuals with no respiratory disease, using linear regression analysis (FDR < 0.05). Protein–protein interactions were identified using STRING©. The barrier function of primary bronchial epithelial cells at air–liquid interface and CRISPR–Cas9-induced knock-down of target genes in human bronchial 16HBE14o-cells was assessed using Trans epithelial resistance (TER) measurement and Electric cell-surface impedance sensing (ECIS) respectively. Results In bronchial brushings, we found 55 genes involved in barrier function to be significantly associated with age (FDR < 0.05). EPCAM was most significantly associated with increasing age and TRPV4 with decreasing age. Protein interaction analysis identified CDH1, that was negatively associated with higher age, as potential key regulator of age-related epithelial barrier function changes. In vitro, barrier function was lower in bronchial epithelial cells from subjects > 45 years of age and significantly reduced in CDH1-deficient 16HBE14o-cells. Conclusion The significant association between genes involved in epithelial barrier function and age, supported by functional studies in vitro, suggest a role for epithelial barrier dysfunction in age-related airway disease. Supplementary Information The online version contains supplementary material available at 10.1186/s12931-022-01961-7.
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de Vries M, Klaassen NJM, Morsink NC, van Nimwegen SA, Nijsen JFW, van den Dobbelsteen JJ. Dedicated holmium microsphere administration device for MRI-guided interstitial brain microbrachytherapy. Med Eng Phys 2021; 96:13-21. [PMID: 34565548 DOI: 10.1016/j.medengphy.2021.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 07/15/2021] [Accepted: 07/21/2021] [Indexed: 01/22/2023]
Abstract
Microbrachytherapy with radioactive holmium-166 (166Ho) microspheres (MS) has the potential to be an effective treatment method for brain malignancies. Direct intratumoural delivery of 166Ho-MS and dose coverage of the whole tumour are crucial requirements. However, currently no dedicated instruments for controlled intratumoural delivery exist. This study presents an administration device that facilitates this novel magnetic resonance imaging (MRI) -guided intervention. The bioceramic alumina oxide cannula creates a straight channel for a superelastic nitinol precurved stylet to control spatial deposition of Ho-MS. End-point accuracy of the stylet was measured during insertions in phantoms. Imaging tests were performed in a 3 Tesla MRI-scanner to quantify instrument-induced artefacts. Additionally, the feasibility of non-radioactive holmium-165 (165Ho)-MS delivery with the administration device was evaluated in a brain tumour simulant. Absolute stylet tip error was 0.88 ± 0.61 mm, instrument distortion in MRI depended on needle material and orientation and dose delivery of 165Ho-MS in a brain tumour phantom was possible. This study shows that the administration device can accurately place the stylet for injection of Ho-MS and that visualization can be performed with MRI.
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Wilby S, Palmer A, Polak W, Singh Dhaliwal S, Firouzy S, Labib A, Jones D, Escaida Navarro S, Merzouki R, Boni Brou K, Pasquier D, van den Dobbelsteen J, de Vries M. PO-1711 CoBra: Towards Robotic Real Time MRI-Guided Prostate Brachytherapy and Biopsy. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)08162-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Wilby S, Palmer A, Polak W, Labib A, Jones D, Firouzy S, Hodgson D, Nagar Y, Wiskerke P, van den Dobbelsteen J, de Vries M, Dhaliwal S, Merzouki R. PO-0250 MRI-Guided Robotic Prostate Biopsy and Brachytherapy: Update from the EU-funded CoBra Project. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)06409-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lier EJ, Oosterman JM, Assmann R, de Vries M, van Goor H. The effect of Virtual Reality on evoked potentials following painful electrical stimuli and subjective pain. Sci Rep 2020; 10:9067. [PMID: 32494060 PMCID: PMC7270181 DOI: 10.1038/s41598-020-66035-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 05/13/2020] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Virtual reality (VR) has been shown to reduce pain, however outcome parameters of previous studies have primarily been of a subjective nature and susceptible to bias. This study investigated the effect of VR on cortical processing of evoked potentials (EPs) and subjectively reported pain. Additionally, we explored whether subjects' demographic and personal characteristics modulated the effect of VR analgesia. METHODS Three VR conditions were compared in a randomized cross-over study of 30 healthy volunteers: Passive VR (i.e. no interaction possible with the virtual world), active VR (interactive virtual environment) and no VR (black screen). Subjects received noxious electrical stimuli at random intervals during all conditions. EPs, recorded at Cz, were extracted time locked to stimuli. Pain scores were reported after each condition. RESULTS Active VR significantly decreased pain scores and amplitudes of N1 and P3. Passive VR had no analgesic effect. Age was significantly correlated to pain scores, with older subjects demonstrating larger effects of VR. Gender, game experience, and susceptibility for immersion, did not influence VR analgesia. CONCLUSION Active VR decreases pre-perceptual and perceptual brain activity following painful electrical stimuli, corresponding with reduced pain experience. VR has potential to serve as a non-pharmacologic treatment for pain, particularly in elderly patients.
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Jalalzadeh H, Indrakusuma R, Koelemay MJW, Balm R, Van den Akker LH, Van den Akker PJ, Akkersdijk GJ, Akkersdijk GP, Akkersdijk WL, van Andringa de Kempenaer MG, Arts CH, Avontuur JA, Baal JG, Bakker OJ, Balm R, Barendregt WB, Bender MH, Bendermacher BL, van den Berg M, Berger P, Beuk RJ, Blankensteijn JD, Bleker RJ, Bockel JH, Bodegom ME, Bogt KE, Boll AP, Booster MH, Borger van der Burg BL, de Borst GJ, Bos-van Rossum WT, Bosma J, Botman JM, Bouwman LH, Breek JC, Brehm V, Brinckman MJ, van den Broek TH, Brom HL, de Bruijn MT, de Bruin JL, Brummel P, van Brussel JP, Buijk SE, Buimer MG, Burger DH, Buscher HC, den Butter G, Cancrinus E, Castenmiller PH, Cazander G, Coveliers HM, Cuypers PH, Daemen JH, Dawson I, Derom AF, Dijkema AR, Diks J, Dinkelman MK, Dirven M, Dolmans DE, van Doorn RC, van Dortmont LM, van der Eb MM, Eefting D, van Eijck GJ, Elshof JW, Elsman BH, van der Elst A, van Engeland MI, van Eps RG, Faber MJ, de Fijter WM, Fioole B, Fritschy WM, Geelkerken RH, van Gent WB, Glade GJ, Govaert B, Groenendijk RP, de Groot HG, van den Haak RF, de Haan EF, Hajer GF, Hamming JF, van Hattum ES, Hazenberg CE, Hedeman Joosten PP, Helleman JN, van der Hem LG, Hendriks JM, van Herwaarden JA, Heyligers JM, Hinnen JW, Hissink RJ, Ho GH, den Hoed PT, Hoedt MT, van Hoek F, Hoencamp R, Hoffmann WH, Hoksbergen AW, Hollander EJ, Huisman LC, Hulsebos RG, Huntjens KM, Idu MM, Jacobs MJ, van der Jagt MF, Jansbeken JR, Janssen RJ, Jiang HH, de Jong SC, Jongkind V, Kapma MR, Keller BP, Khodadade Jahrome A, Kievit JK, Klemm PL, Klinkert P, Knippenberg B, Koedam NA, Koelemay MJ, Kolkert JL, Koning GG, Koning OH, Krasznai AG, Krol RM, Kropman RH, Kruse RR, van der Laan L, van der Laan MJ, van Laanen JH, Lardenoye JH, Lawson JA, Legemate DA, Leijdekkers VJ, Lemson MS, Lensvelt MM, Lijkwan MA, Lind RC, van der Linden FT, Liqui Lung PF, Loos MJ, Loubert MC, Mahmoud DE, Manshanden CG, Mattens EC, Meerwaldt R, Mees BM, Metz R, Minnee RC, de Mol van Otterloo JC, Moll FL, Montauban van Swijndregt YC, Morak MJ, van de Mortel RH, Mulder W, Nagesser SK, Naves CC, Nederhoed JH, Nevenzel-Putters AM, de Nie AJ, Nieuwenhuis DH, Nieuwenhuizen J, van Nieuwenhuizen RC, Nio D, Oomen AP, Oranen BI, Oskam J, Palamba HW, Peppelenbosch AG, van Petersen AS, Peterson TF, Petri BJ, Pierie ME, Ploeg AJ, Pol RA, Ponfoort ED, Poyck PP, Prent A, Ten Raa S, Raymakers JT, Reichart M, Reichmann BL, Reijnen MM, Rijbroek A, van Rijn MJ, de Roo RA, Rouwet EV, Rupert CG, Saleem BR, van Sambeek MR, Samyn MG, van 't Sant HP, van Schaik J, van Schaik PM, Scharn DM, Scheltinga MR, Schepers A, Schlejen PM, Schlosser FJ, Schol FP, Schouten O, Schreinemacher MH, Schreve MA, Schurink GW, Sikkink CJ, Siroen MP, Te Slaa A, Smeets HJ, Smeets L, de Smet AA, de Smit P, Smit PC, Smits TM, Snoeijs MG, Sondakh AO, van der Steenhoven TJ, van Sterkenburg SM, Stigter DA, Stigter H, Strating RP, Stultiëns GN, Sybrandy JE, Teijink JA, Telgenkamp BJ, Testroote MJ, The RM, Thijsse WJ, Tielliu IF, van Tongeren RB, Toorop RJ, Tordoir JH, Tournoij E, Truijers M, Türkcan K, Tutein Nolthenius RP, Ünlü Ç, Vafi AA, Vahl AC, Veen EJ, Veger HT, Veldman MG, Verhagen HJ, Verhoeven BA, Vermeulen CF, Vermeulen EG, Vierhout BP, Visser MJ, van der Vliet JA, Vlijmen-van Keulen CJ, Voesten HG, Voorhoeve R, Vos AW, de Vos B, Vos GA, Vriens BH, Vriens PW, de Vries AC, de Vries JP, de Vries M, van der Waal C, Waasdorp EJ, Wallis de Vries BM, van Walraven LA, van Wanroij JL, Warlé MC, van Weel V, van Well AM, Welten GM, Welten RJ, Wever JJ, Wiersema AM, Wikkeling OR, Willaert WI, Wille J, Willems MC, Willigendael EM, Wisselink W, Witte ME, Wittens CH, Wolf-de Jonge IC, Yazar O, Zeebregts CJ, van Zeeland ML. Editor's Choice - Nationwide Analysis of Patients Undergoing Iliac Artery Aneurysm Repair in the Netherlands. Eur J Vasc Endovasc Surg 2020; 60:49-55. [PMID: 32331994 DOI: 10.1016/j.ejvs.2020.02.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 02/04/2020] [Accepted: 02/25/2020] [Indexed: 01/04/2023]
Abstract
OBJECTIVE The new 2019 guideline of the European Society for Vascular Surgery (ESVS) recommends consideration for elective iliac artery aneurysm (eIAA) repair when the iliac diameter exceeds 3.5 cm, as opposed to 3.0 cm previously. The current study assessed diameters at time of eIAA repair and ruptured IAA (rIAA) repair and compared clinical outcomes after open surgical repair (OSR) and endovascular aneurysm repair (EVAR). METHODS This retrospective observational study used the nationwide Dutch Surgical Aneurysm Audit (DSAA) registry that includes all patients who undergo aorto-iliac aneurysm repair in the Netherlands. All patients who underwent primary IAA repair between 1 January 2014 and 1 January 2018 were included. Diameters at time of eIAA and rIAA repair were compared in a descriptive fashion. The anatomical location of the IAA was not registered in the registry. Patient characteristics and outcomes of OSR and EVAR were compared with appropriate statistical tests. RESULTS The DSAA registry comprised 974 patients who underwent IAA repair. A total of 851 patients were included after exclusion of patients undergoing revision surgery and patients with missing essential variables. eIAA repair was carried out in 713 patients, rIAA repair in 102, and symptomatic IAA repair in 36. OSR was performed in 205, EVAR in 618, and hybrid repairs and conversions in 28. The median maximum IAA diameter at the time of eIAA and rIAA repair was 43 (IQR 38-50) mm and 68 (IQR 58-85) mm, respectively. Mortality was 1.3% (95% CI 0.7-2.4) after eIAA repair and 25.5% (95% CI 18.0-34.7) after rIAA repair. Mortality was not significantly different between the OSR and EVAR subgroups. Elective OSR was associated with significantly more complications than EVAR (intra-operative: 9.8% vs. 3.6%, post-operative: 34.0% vs. 13.8%, respectively). CONCLUSION In the Netherlands, most eIAA repairs are performed at diameters larger than recommended by the ESVS guideline. These findings appear to support the recent increase in the threshold diameter for eIAA repair.
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de Vries M, Claassen L, te Wierik M, Coban F, Timmermans D, Timen A. MenACWY vaccination decisions in the Netherlands: the role of risk perceptions. Eur J Public Health 2019. [DOI: 10.1093/eurpub/ckz186.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The Netherlands experiences an unprecedented increase in meningococcal W infections. A national catch-up menACWY vaccination campaign started in October 2018, covering birth cohorts 2001-2005. To understand menACWY vaccination decisions, our study reports on perceptions of risks and their influence on menACWY vaccination intentions during an ongoing outbreak of meningococcal infections.
Methods
Online surveys were administered in September 2018 among adolescents (AD) targeted for menACWY vaccination (N = 3036) and parents (PA) of these adolescents (N = 3002). Following a mental models approach, survey items addressed knowledge and beliefs of meningococcal disease, the menACWY vaccination and vaccinations in general, and menACWY vaccination intention. Random Forest Analyses were conducted to identify those knowledge and beliefs that strongest predict vaccination intention.
Results
The response was 52.8% (N = 1603) in AD and 57.1% (N = 1784) in PA. 71% Of AD and 83% of PA indicated a positive vaccination intention. Most respondents perceived meningococcal disease as a severe disease with possible deathly consequences and were aware of transmission routes. Some misbeliefs of vaccines were rather strongly represented, with respectively 35% of AD and 45% of PA thinking that each year a number of children dies due to vaccination side effects. Preliminary results indicate that perceptions of vaccines in general, especially concerning the need for and the effectiveness, were the strongest predictors of vaccination intention in both AD and PA.
Conclusions
Adolescents and their parents seemed well informed about meningococcal disease, but less about vaccinations. The belief that vaccines are needed and effective in preventing infectious diseases seems to be of more importance in vaccination decisions than other beliefs of disease and vaccination. Future communications need to address the identified misbeliefs and emphasize the need for and effectiveness of vaccines.
Key messages
MenACWY vaccination intentions are more dependent on beliefs about vaccines in general than on beliefs about meningococcal disease and the menACWY vaccination. The belief that vaccines are needed and effective in preventing infectious diseases is of major importance in menACWY vaccination decisions.
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Perrotta P, Pintelon I, de Vries M, Timmermans J, Quax P, De Meyer G, Martinet W. D Imaging Of Intraplaque Neovascularization In Two Mouse Models Of Advanced Atherosclerosis Using Three-Dimensional Imaging Of Solvent Cleared Organs (Idisco) Technology. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Schilperoort M, van den Berg R, van Kerkhof L, Dollé M, van Baarle D, Guichelaar T, Smits N, de Vries M, Biermasz N, Kooijman S, Rensen P. Disruption Of The Biological Clock Affects Immune Homeostasis And Aggravates Atherosclerosis Development. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rubio-Gozalbo ME, Haskovic M, Bosch AM, Burnyte B, Coelho AI, Cassiman D, Couce ML, Dawson C, Demirbas D, Derks T, Eyskens F, Forga MT, Grunewald S, Häberle J, Hochuli M, Hubert A, Huidekoper HH, Janeiro P, Kotzka J, Knerr I, Labrune P, Landau YE, Langendonk JG, Möslinger D, Müller-Wieland D, Murphy E, Õunap K, Ramadza D, Rivera IA, Scholl-Buergi S, Stepien KM, Thijs A, Tran C, Vara R, Visser G, Vos R, de Vries M, Waisbren SE, Welsink-Karssies MM, Wortmann SB, Gautschi M, Treacy EP, Berry GT. The natural history of classic galactosemia: lessons from the GalNet registry. Orphanet J Rare Dis 2019; 14:86. [PMID: 31029175 PMCID: PMC6486996 DOI: 10.1186/s13023-019-1047-z] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 03/12/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Classic galactosemia is a rare inborn error of carbohydrate metabolism, caused by a severe deficiency of the enzyme galactose-1-phosphate uridylyltransferase (GALT). A galactose-restricted diet has proven to be very effective to treat the neonatal life-threatening manifestations and has been the cornerstone of treatment for this severe disease. However, burdensome complications occur despite a lifelong diet. For rare diseases, a patient disease specific registry is fundamental to monitor the lifespan pathology and to evaluate the safety and efficacy of potential therapies. In 2014, the international Galactosemias Network (GalNet) developed a web-based patient registry for this disease, the GalNet Registry. The aim was to delineate the natural history of classic galactosemia based on a large dataset of patients. METHODS Observational data derived from 15 countries and 32 centers including 509 patients were acquired between December 2014 and July 2018. RESULTS Most affected patients experienced neonatal manifestations (79.8%) and despite following a diet developed brain impairments (85.0%), primary ovarian insufficiency (79.7%) and a diminished bone mineral density (26.5%). Newborn screening, age at onset of dietary treatment, strictness of the galactose-restricted diet, p.Gln188Arg mutation and GALT enzyme activity influenced the clinical picture. Detection by newborn screening and commencement of diet in the first week of life were associated with a more favorable outcome. A homozygous p.Gln188Arg mutation, GALT enzyme activity of ≤ 1% and strict galactose restriction were associated with a less favorable outcome. CONCLUSION This study describes the natural history of classic galactosemia based on the hitherto largest data set.
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Vu D, Groenewald M, de Vries M, Gehrmann T, Stielow B, Eberhardt U, Al-Hatmi A, Groenewald J, Cardinali G, Houbraken J, Boekhout T, Crous P, Robert V, Verkley G. Large-scale generation and analysis of filamentous fungal DNA barcodes boosts coverage for kingdom fungi and reveals thresholds for fungal species and higher taxon delimitation. Stud Mycol 2019; 92:135-154. [PMID: 29955203 PMCID: PMC6020082 DOI: 10.1016/j.simyco.2018.05.001] [Citation(s) in RCA: 424] [Impact Index Per Article: 84.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Species identification lies at the heart of biodiversity studies that has in recent years favoured DNA-based approaches. Microbial Biological Resource Centres are a rich source for diverse and high-quality reference materials in microbiology, and yet the strains preserved in these biobanks have been exploited only on a limited scale to generate DNA barcodes. As part of a project funded in the Netherlands to barcode specimens of major national biobanks, sequences of two nuclear ribosomal genetic markers, the Internal Transcribed Spaces and 5.8S gene (ITS) and the D1/D2 domain of the 26S Large Subunit (LSU), were generated as DNA barcode data for ca. 100 000 fungal strains originally assigned to ca. 17 000 species in the CBS fungal biobank maintained at the Westerdijk Fungal Biodiversity Institute, Utrecht. Using more than 24 000 DNA barcode sequences of 12 000 ex-type and manually validated filamentous fungal strains of 7 300 accepted species, the optimal identity thresholds to discriminate filamentous fungal species were predicted as 99.6 % for ITS and 99.8 % for LSU. We showed that 17 % and 18 % of the species could not be discriminated by the ITS and LSU genetic markers, respectively. Among them, ∼8 % were indistinguishable using both genetic markers. ITS has been shown to outperform LSU in filamentous fungal species discrimination with a probability of correct identification of 82 % vs. 77.6 %, and a clustering quality value of 84 % vs. 77.7 %. At higher taxonomic classifications, LSU has been shown to have a better discriminatory power than ITS. With a clustering quality value of 80 %, LSU outperformed ITS in identifying filamentous fungi at the ordinal level. At the generic level, the clustering quality values produced by both genetic markers were low, indicating the necessity for taxonomic revisions at genus level and, likely, for applying more conserved genetic markers or even whole genomes. The taxonomic thresholds predicted for filamentous fungal identification at the genus, family, order and class levels were 94.3 %, 88.5 %, 81.2 % and 80.9 % based on ITS barcodes, and 98.2 %, 96.2 %, 94.7 % and 92.7 % based on LSU barcodes. The DNA barcodes used in this study have been deposited to GenBank and will also be publicly available at the Westerdijk Institute's website as reference sequences for fungal identification, marking an unprecedented data release event in global fungal barcoding efforts to date.
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de Baat ML, Bas DA, van Beusekom SAM, Droge STJ, van der Meer F, de Vries M, Verdonschot PFM, Kraak MHS. Nationwide screening of surface water toxicity to algae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 645:780-787. [PMID: 30031336 DOI: 10.1016/j.scitotenv.2018.07.214] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/16/2018] [Accepted: 07/16/2018] [Indexed: 06/08/2023]
Abstract
According to the European Water Framework Directive (WFD), chemical water quality is assessed by monitoring 45 priority substances. However, observed toxic effects can often not be attributed to these priority substances, and therefore there is an urgent need for an effect-based monitoring strategy that employs bioassays to identify environmental risk. Algal photosynthesis is a sensitive process that can be applied to identify the presence of hazardous herbicides in surface water. Therefore, the aim of this study was to employ an algal photosynthesis bioassay to assess surface water toxicity to algae and to identify the compounds causing the observed effects. To this purpose, Raphidocelis subcapitata was exposed to surface water samples and after 4.5 h photosynthetic efficiency was determined using PAM fluorometry. In this rapid high throughput bioassay, algal photosynthesis was affected by surface water from only one of 39 locations. Single compounds toxicity confirmation elucidated that the observed effect could be solely attributed to the herbicide linuron, which occurred at 110 times the EQS concentration and which is not included in the WFD priority substances list. In conclusion, applying the algal photosynthesis bioassay enables more efficient and effective assessment of toxicity to primary producers because it: (i) identifies the presence of herbicides that would be overlooked by routine chemical WFD monitoring, and (ii) avoids redundant chemical analyses by focusing only on (non-)target screening in samples with demonstrated effects.
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Lier EJ, Harder J, Oosterman JM, de Vries M, van Goor H. Modulation of tactile perception by Virtual Reality distraction: The role of individual and VR-related factors. PLoS One 2018; 13:e0208405. [PMID: 30507958 PMCID: PMC6277112 DOI: 10.1371/journal.pone.0208405] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 11/17/2018] [Indexed: 11/18/2022] Open
Abstract
Background Virtual reality (VR) has shown to be an effective distraction method in health care. However, questions remain regarding individual and VR-related factors that may modulate the effect of VR. Purpose To explore the effect of VR distraction on tactile perception thresholds in healthy volunteers, in relation to personal characteristics and interactivity of VR applications. Methods A randomized three way cross-over study was conducted to investigate the effects of active and passive VR applications in 50 healthy participants. Main outcome measures were monofilament detection thresholds (MDT) and electrical detection thresholds (EDT). Personal characteristics (e.g. age, gender, susceptibility for immersion) and immersion in the VR conditions were analyzed for their effect on VR induced threshold differences. Results The use of VR caused a significant increase in both MDT and EDT compared to the control condition (MDT: F (2, 76) = 20.174, p < 0.001; EDT F (2, 76) = 6.907, p = 0.002). Furthermore, a significant difference in favour of active VR compared to passive VR was found in MDT (p = 0.012), but not in EDT. No significant gender effect was found. There was a significant positive correlation between age and active VR distraction (r = 0.333, p = 0.018). Immersion in the VR world was positively correlated with the effect of VR, whereas visualization and daydreaming were negatively correlated with VR effects. Conclusion VR increased tactile perception thresholds, with active VR having the largest effect. Results indicate that the efficacy of VR may increase with increasing age. Gender did not affect VR susceptibility.
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Lijftogt N, Karthaus EG, Vahl A, van Zwet EW, van der Willik EM, Tollenaar RA, Hamming JF, Wouters MW, Van den Akker L, Van den Akker P, Akkersdijk G, Akkersdijk G, Akkersdijk W, van Andringa de Kempenaer M, Arts C, Avontuur J, Baal J, Bakker O, Balm R, Barendregt W, Bender M, Bendermacher B, van den Berg M, Berger P, Beuk R, Blankensteijn J, Bleker R, Bockel J, Bodegom M, Bogt K, Boll A, Booster M, Borger van der Burg B, de Borst G, Bos-van Rossum W, Bosma J, Botman J, Bouwman L, Breek J, Brehm V, Brinckman M, van den Broek T, Brom H, de Bruijn M, de Bruin J, Brummel P, van Brussel J, Buijk S, Buimer M, Burger D, Buscher H, den Butter G, Cancrinus E, Castenmiller P, Cazander G, Coveliers H, Cuypers P, Daemen J, Dawson I, Derom A, Dijkema A, Diks J, Dinkelman M, Dirven M, Dolmans D, van Doorn R, van Dortmont L, van der Eb M, Eefting D, van Eijck G, Elshof J, Elsman B, van der Elst A, van Engeland M, van Eps R, Faber M, de Fijter W, Fioole B, Fritschy W, Geelkerken R, van Gent W, Glade G, Govaert B, Groenendijk R, de Groot H, van den Haak R, de Haan E, Hajer G, Hamming J, van Hattum E, Hazenberg C, Hedeman Joosten P, Helleman J, van der Hem L, Hendriks J, van Herwaarden J, Heyligers J, Hinnen J, Hissink R, Ho G, den Hoed P, Hoedt M, van Hoek F, Hoencamp R, Hoffmann W, Hoksbergen A, Hollander E, Huisman L, Hulsebos R, Huntjens K, Idu M, Jacobs M, van der Jagt M, Jansbeken J, Janssen R, Jiang H, de Jong S, Jongkind V, Kapma M, Keller B, Khodadade Jahrome A, Kievit J, Klemm P, Klinkert P, Knippenberg B, Koedam N, Koelemaij M, Kolkert J, Koning G, Koning O, Krasznai A, Krol R, Kropman R, Kruse R, van der Laan L, van der Laan M, van Laanen J, Lardenoye J, Lawson J, Legemate D, Leijdekkers V, Lemson M, Lensvelt M, Lijkwan M, Lind R, van der Linden F, Liqui Lung P, Loos M, Loubert M, Mahmoud D, Manshanden C, Mattens E, Meerwaldt R, Mees B, Metz R, Minnee R, de Mol van Otterloo J, Moll F, Montauban van Swijndregt Y, Morak M, van de Mortel R, Mulder W, Nagesser S, Naves C, Nederhoed J, Nevenzel-Putters A, de Nie A, Nieuwenhuis D, Nieuwenhuizen J, van Nieuwenhuizen R, Nio D, Oomen A, Oranen B, Oskam J, Palamba H, Peppelenbosch A, van Petersen A, Peterson T, Petri B, Pierie M, Ploeg A, Pol R, Ponfoort E, Poyck P, Prent A, ten Raa S, Raymakers J, Reichart M, Reichmann B, Reijnen M, Rijbroek A, van Rijn M, de Roo R, Rouwet E, Rupert C, Saleem B, van Sambeek M, Samyn M, van ’t Sant H, van Schaik J, van Schaik P, Scharn D, Scheltinga M, Schepers A, Schlejen P, Schlosser F, Schol F, Schouten O, Schreinemacher M, Schreve M, Schurink G, Sikkink C, Siroen M, te Slaa A, Smeets H, Smeets L, de Smet A, de Smit P, Smit P, Smits T, Snoeijs M, Sondakh A, van der Steenhoven T, van Sterkenburg S, Stigter D, Stigter H, Strating R, Stultiëns G, Sybrandy J, Teijink J, Telgenkamp B, Testroote M, The R, Thijsse W, Tielliu I, van Tongeren R, Toorop R, Tordoir J, Tournoij E, Truijers M, Türkcan K, Tutein Nolthenius R, Ünlü Ç, Vafi A, Vahl A, Veen E, Veger H, Veldman M, Verhagen H, Verhoeven B, Vermeulen C, Vermeulen E, Vierhout B, Visser M, van der Vliet J, Vlijmen-van Keulen C, Voesten H, Voorhoeve R, Vos A, de Vos B, Vos G, Vriens B, Vriens P, de Vries A, de Vries J, de Vries M, van der Waal C, Waasdorp E, Wallis de Vries B, van Walraven L, van Wanroij J, Warlé M, van Weel V, van Well A, Welten G, Welten R, Wever J, Wiersema A, Wikkeling O, Willaert W, Wille J, Willems M, Willigendael E, Wisselink W, Witte M, Wittens C, Wolf-de Jonge I, Yazar O, Zeebregts C, van Zeeland M, Van den Akker L, Van den Akker P, Akkersdijk G, Akkersdijk G, Akkersdijk W, van Andringa de Kempenaer M, Arts C, Avontuur J, Baal J, Bakker O, Balm R, Barendregt W, Bender M, Bendermacher B, van den Berg M, Berger P, Beuk R, Blankensteijn J, Bleker R, Bockel J, Bodegom M, Bogt K, Boll A, Booster M, Borger van der Burg B, de Borst G, Bos-van Rossum W, Bosma J, Botman J, Bouwman L, Breek J, Brehm V, Brinckman M, van den Broek T, Brom H, de Bruijn M, de Bruin J, Brummel P, van Brussel J, Buijk S, Buimer M, Burger D, Buscher H, den Butter G, Cancrinus E, Castenmiller P, Cazander G, Coveliers H, Cuypers P, Daemen J, Dawson I, Derom A, Dijkema A, Diks J, Dinkelman M, Dirven M, Dolmans D, van Doorn R, van Dortmont L, van der Eb M, Eefting D, van Eijck G, Elshof J, Elsman B, van der Elst A, van Engeland M, van Eps R, Faber M, de Fijter W, Fioole B, Fritschy W, Geelkerken R, van Gent W, Glade G, Govaert B, Groenendijk R, de Groot H, van den Haak R, de Haan E, Hajer G, Hamming J, van Hattum E, Hazenberg C, Hedeman Joosten P, Helleman J, van der Hem L, Hendriks J, van Herwaarden J, Heyligers J, Hinnen J, Hissink R, Ho G, den Hoed P, Hoedt M, van Hoek F, Hoencamp R, Hoffmann W, Hoksbergen A, Hollander E, Huisman L, Hulsebos R, Huntjens K, Idu M, Jacobs M, van der Jagt M, Jansbeken J, Janssen R, Jiang H, de Jong S, Jongkind V, Kapma M, Keller B, Khodadade Jahrome A, Kievit J, Klemm P, Klinkert P, Knippenberg B, Koedam N, Koelemaij M, Kolkert J, Koning G, Koning O, Krasznai A, Krol R, Kropman R, Kruse R, van der Laan L, van der Laan M, van Laanen J, Lardenoye J, Lawson J, Legemate D, Leijdekkers V, Lemson M, Lensvelt M, Lijkwan M, Lind R, van der Linden F, Liqui Lung P, Loos M, Loubert M, Mahmoud D, Manshanden C, Mattens E, Meerwaldt R, Mees B, Metz R, Minnee R, de Mol van Otterloo J, Moll F, Montauban van Swijndregt Y, Morak M, van de Mortel R, Mulder W, Nagesser S, Naves C, Nederhoed J, Nevenzel-Putters A, de Nie A, Nieuwenhuis D, Nieuwenhuizen J, van Nieuwenhuizen R, Nio D, Oomen A, Oranen B, Oskam J, Palamba H, Peppelenbosch A, van Petersen A, Peterson T, Petri B, Pierie M, Ploeg A, Pol R, Ponfoort E, Poyck P, Prent A, ten Raa S, Raymakers J, Reichart M, Reichmann B, Reijnen M, Rijbroek A, van Rijn M, de Roo R, Rouwet E, Rupert C, Saleem B, van Sambeek M, Samyn M, van ’t Sant H, van Schaik J, van Schaik P, Scharn D, Scheltinga M, Schepers A, Schlejen P, Schlosser F, Schol F, Schouten O, Schreinemacher M, Schreve M, Schurink G, Sikkink C, Siroen M, te Slaa A, Smeets H, Smeets L, de Smet A, de Smit P, Smit P, Smits T, Snoeijs M, Sondakh A, van der Steenhoven T, van Sterkenburg S, Stigter D, Stigter H, Strating R, Stultiëns G, Sybrandy J, Teijink J, Telgenkamp B, Testroote M, The R, Thijsse W, Tielliu I, van Tongeren R, Toorop R, Tordoir J, Tournoij E, Truijers M, Türkcan K, Tutein Nolthenius R, Ünlü Ç, Vafi A, Vahl A, Veen E, Veger H, Veldman M, Verhagen H, Verhoeven B, Vermeulen C, Vermeulen E, Vierhout B, Visser M, van der Vliet J, Vlijmen-van Keulen C, Voesten H, Voorhoeve R, Vos A, de Vos B, Vos G, Vriens B, Vriens P, de Vries A, de Vries J, de Vries M, van der Waal C, Waasdorp E, Wallis de Vries B, van Walraven L, van Wanroij J, Warlé M, van Weel V, van Well A, Welten G, Welten R, Wever J, Wiersema A, Wikkeling O, Willaert W, Wille J, Willems M, Willigendael E, Wisselink W, Witte M, Wittens C, Wolf-de Jonge I, Yazar O, Zeebregts C, van Zeeland M. Failure to Rescue – a Closer Look at Mortality Rates Has No Added Value for Hospital Comparisons but Is Useful for Team Quality Assessment in Abdominal Aortic Aneurysm Surgery in The Netherlands. Eur J Vasc Endovasc Surg 2018; 56:652-661. [DOI: 10.1016/j.ejvs.2018.06.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Accepted: 06/24/2018] [Indexed: 01/14/2023]
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de Vries M, de Ruiter MA, Oostrom KJ, Schouten-Van Meeteren AYN, Maurice-Stam H, Oosterlaan J, Grootenhuis MA. The association between the behavior rating inventory of executive functioning and cognitive testing in children diagnosed with a brain tumor. Child Neuropsychol 2017; 24:844-858. [PMID: 28693404 DOI: 10.1080/09297049.2017.1350262] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Pediatric brain tumor survivors (PBTS) suffer from cognitive late effects, such as deteriorating executive functioning (EF). We explored the suitability of the Behavior Rating Inventory of Executive Function (BRIEF) to screen for these late effects. We assessed the relationship between the BRIEF and EF tasks, and between the BRIEF-Parent and BRIEF-Teacher, and we explored the clinical utility. Eighty-two PBTS (8-18 years) were assessed with EF tasks measuring attention, cognitive flexibility, inhibition, visual-, and working memory (WM), and with the BRIEF-Parent and BRIEF-Teacher. Pearson's correlations between the BRIEF and EF tasks, and between the BRIEF-Parent and BRIEF-Teacher were calculated. The BRIEF-Parent related poorly to EF tasks (rs < .26, ps > .01), but of the BRIEF-Teacher the WM-scale, Monitor-scale, Behavioral-Regulation-Index, and Meta-cognition-Index, and Total-score (rs > .31, ps < .01) related significantly to some EF tasks. When controlling for age, only the WM scale and Total score related significantly to the attention task (ps < .01). The inhibit scales of the BRIEF-Parent and BRIEF-Teacher correlated significantly (r = .33, p < .01). Children with clinically elevated scores on BRIEF scales that correlated with EF tasks performed worse on all EF tasks (ds 0.56-1.23, ps < .05). The BRIEF-Teacher Total and Index scores might better screen general EF in PBTS than the BRIEF-Parent. However, the BRIEF-Teacher is also not specific enough to capture separate EFs. Solely relying on the BRIEF as a screening measure of EFs in BPTS is insufficient. Questionnaires and tasks give distinctive, valuable information.
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Krauwinkel W, Noukens J, van Dijk J, Popa S, Ouatas T, de Vries M, Phung D, Gibbons J, Mordenti J, Mateva L. A comparison of the pharmacokinetics and safety of enzalutamide in subjects with hepatic impairment and matched healthy subjects. J Clin Pharm Ther 2017; 42:268-275. [PMID: 28251667 DOI: 10.1111/jcpt.12503] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 01/04/2017] [Indexed: 11/29/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Enzalutamide is an androgen receptor inhibitor approved for treatment of metastatic castration-resistant prostate cancer. Enzalutamide is highly protein bound and eliminated primarily by hepatic metabolism; therefore, it is important to understand whether enzalutamide pharmacokinetics is altered by hepatic impairment. METHODS Pharmacokinetic data were obtained from two non-randomized, open-label, single-dose, phase 1 studies conducted in patients with mild (Child-Pugh class A, n = 6) or moderate (Child-Pugh class B, n = 8) hepatic impairment (NCT01901133) or severe (Child-Pugh class C, n = 8) hepatic impairment (NCT02138162) and their corresponding matched healthy controls; data from both studies are presented here. Subjects with hepatic impairment had liver cirrhosis (n = 19) or chronic hepatitis (n = 3). All subjects received a single oral dose of 160 mg enzalutamide under fasting conditions, with blood samples collected predose and up to 49 days post-dose. RESULTS AND DISCUSSION Exposure to enzalutamide active moieties, based on the area under the curve of the sum of enzalutamide and N-desmethyl enzalutamide (an active metabolite with similar potency to enzalutamide), increased by 13%, 18% and 4% in subjects with mild, moderate and severe hepatic impairment, respectively, relative to matched controls. Compared with healthy controls, the mean maximum plasma concentration for enzalutamide active moieties was 24% higher in subjects with mild hepatic impairment and 11% and 41% lower in subjects with moderate and severe hepatic impairment, respectively. Enzalutamide was generally well tolerated, with no clinically significant trends in abnormal laboratory findings, vital signs or electrocardiograms. WHAT IS NEW AND CONCLUSIONS No major differences in single-dose pharmacokinetics were observed in subjects with hepatic impairment vs. matched healthy controls. Therefore, these studies indicate that no initial dose adjustment is necessary when administering enzalutamide to patients with hepatic impairment.
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van der Valk ES, Savas M, Burgerhart JS, de Vries M, van den Akker ELT, van Rossum EFC. [Obesity in the clinic room: diagnostics first, followed by effective treatment]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 2017; 161:D2310. [PMID: 29271318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In clinical practice, relatively little attention is directed towards identifying underlying causes and contributing factors to weight gain in patients with obesity. However, recognising these "hidden fattening factors" is important as it can lead to more effective treatment strategies. In particular if underlying causes can be solved first, this could help to realise sustainable weight reduction. Besides the well-known lifestyle-related aspects, obesity may be caused or maintained by medication use, endocrine or hypothalamic disorders, monogenetic or syndromic diseases, and mental factors, which may require specific (medical) treatment. For lifestyle-related obesity, a combined lifestyle intervention (CLI) is a first step to combat obesity. This treatment comprises intensive guidance regarding healthy nutrition, physical activity, and behavioural psychology. In case of morbid obesity and insufficient effects of CLI after one year, weight-reducing medication or a bariatric intervention can be considered. This systematic strategy for diagnostics and treatment of obesity is illustrated by two clinical cases.
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Brys A, Wijers A, de Vries M, Bouwman N, Borghans R. [An unrecognized cause of dyspnoea]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 2017; 161:D1135. [PMID: 28659200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND Neuralgic amyotrophy is characterised by pain in the neck or shoulder region, followed by neuropathy of both motor and sensory nerves of the brachial plexus. The incidence of this condition is estimated at 1/1000 per year. In a rare variant of the syndrome, involvement of both phrenic nerves can occur, leading to diaphragmatic paralysis and severe orthopnoea. CASE DESCRIPTION A 67-year-old woman was referred to us with acute orthopnoea. Imaging studies showed bilateral diaphragmatic paralysis, and electromyography (EMG) confirmed neuropathy of both phrenic nerves. The diagnosis was bilateral neuralgic amyotrophy. The patient received nocturnal ventilation support via nasal high flow oxygen therapy. This symptomatic treatment had a positive effect. CONCLUSION Isolated phrenic nerve neuropathy is a rare variant of neuralgic amyotrophy, leading to orthopnoea. Recovery is slow and frequently incomplete. Supportive treatment with non-invasive ventilation support is necessary to improve the patient's quality of life.
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Vu D, Groenewald M, Szöke S, Cardinali G, Eberhardt U, Stielow B, de Vries M, Verkleij GJM, Crous PW, Boekhout T, Robert V. DNA barcoding analysis of more than 9 000 yeast isolates contributes to quantitative thresholds for yeast species and genera delimitation. Stud Mycol 2016; 85:91-105. [PMID: 28050055 PMCID: PMC5192050 DOI: 10.1016/j.simyco.2016.11.007] [Citation(s) in RCA: 185] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
DNA barcoding is a global initiative for species identification through sequencing of short DNA sequence markers. Sequences of two loci, ITS and LSU, were generated as barcode data for all (ca. 9k) yeast strains included in the CBS collection, originally assigned to ca. 2 000 species. Taxonomic sequence validation turned out to be the most severe bottleneck due to the large volume of generated trace files and lack of reference sequences. We have analysed and validated CBS strains and barcode sequences automatically. Our analysis shows that there were 6 and 9.5 % of CBS yeast species that could not be distinguished by ITS and LSU, respectively. Among them, ∼3 % were indistinguishable by both loci. Except for those species, both loci were successfully resolving yeast species as the grouping of yeast DNA barcodes with the predicted taxonomic thresholds was more than 90 % similar to the grouping with respect to the expected taxon names. The taxonomic thresholds predicted to discriminate yeast species were 98.41 % for ITS and 99.51 % for LSU. To discriminate current yeast genera, thresholds were 96.31 % for ITS and 97.11 % for LSU. Using ITS and LSU barcodes, we were also able to show that the recent reclassifications of basidiomycetous yeasts in 2015 have made a significant improvement for the generic taxonomy of those organisms. The barcodes of 4 730 (51 %) CBS yeast strains of 1 351 (80 %) accepted yeast species that were manually validated have been released to GenBank and the CBS-KNAW website as reference sequences for yeast identification.
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