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Vanreusel I, Maes S, De Wolf D, Van Berendoncks A. Percutaneous closure of a secundum atrial septum defect performed under hypnosis: a case report. Acta Cardiol 2021; 76:1078-1082. [PMID: 32964783 DOI: 10.1080/00015385.2020.1822491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Atrial septal defects (ASDs) are the third most common type of congenital heart diseases with ostium secundum defects (ASDsII) being responsible for approximately 75% of these defects. The treatment consists of either a transcatheter closure or a surgical intervention. The transcatheter approach offers a less invasive alternative for patients who fulfill anatomical and size criteria and is therefore increasingly used as the preferred primary intervention. As general anaesthesia is sometimes contra-indicated for some patients needing ASD or PFO closure and intracardiac echocardiography (ICE) is not always readily available, alternative "supportive" techniques as hypnosis could be of interest. In our case, a relative contra-indication for general anaesthesia was pronounced due to the severely impaired pulmonary function caused by severe deformative torsional scoliosis. Over the years several reviews have been published on hypnotic analgesia used together with usual care suggesting that hypnotic analgesia is a promising non-pharmacologic adjunct treatment for ameliorating pain and surgical distress. Also, various cardiological procedures under hypnosis have already been described in literature, but this is the first time that percutaneous ASD closure under virtual reality (VR) hypnosis is mentioned in literature.
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Affiliation(s)
| | - S. Maes
- Department of Anesthesiology, University Hospital of Antwerp, Edegem, Belgium
| | - D. De Wolf
- Department of Pediatric Cardiology, University Hospital of Ghent, Ghent, Belgium
| | - A. Van Berendoncks
- University of Antwerp, Antwerp, Belgium
- Department of Cardiology, University Hospital of Antwerp, Edegem, Belgium
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Pouillon L, Remen T, Amicone C, Louis E, Maes S, Reenaers C, Germain A, Baumann C, Bossuyt P, Peyrin-Biroulet L. Risk of Late Postoperative Recurrence of Crohn's Disease in Patients in Endoscopic Remission After Ileocecal Resection, Over 10 Years at Multiple Centers. Clin Gastroenterol Hepatol 2021; 19:1218-1225.e4. [PMID: 32445951 DOI: 10.1016/j.cgh.2020.05.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/07/2020] [Accepted: 05/14/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS The risk of recurrence of Crohn's disease (CD) from 1 to 10 years after surgery despite initial endoscopic remission (late post-operative recurrence) is not clear. METHODS We performed a retrospective study, at 3 inflammatory bowel disease (IBD) centers in France and Belgium, of all patients with CD (n = 86) undergoing an ileocecal resection with curative intent from 2006 through 2016 who did not have endoscopic evidence for recurrence (Rutgeerts score less than i2) at their baseline assessment. Postoperative recurrence after baseline endoscopy was defined as a composite endpoint of at least 1 of the following: clinical recurrence, IBD-related hospitalization, occurrence of bowel damage, need for endoscopic balloon dilatation of the anastomosis, and need to repeat the surgery. Risk of mucosal disease progression was studied as a secondary outcome. RESULTS The median time between surgery and baseline endoscopy was 7 months (IQR, 5.7-9.5 months); 40 patients (46.5%) received medical prophylaxis in this period. The median follow-up time was 3.5 years (IQR, 1.6-5.3 years). Thirty-five patients (40.7%) had a late post-operative recurrence of CD, with a median time to disease recurrence after baseline endoscopy of 14.2 months (IQR, 6.3-26.1 months). Recurrence status did not differ significantly between patients with Rutgeerts scores of i0 (20/55) or i1 (15/31) at baseline (P = .28) and was independent of medical prophylaxis (16/40 with prophylactic therapy vs 19/46 without prophylactic therapy; P = .90). Mucosal disease progressed in 29 of the 71 patients (40.8%) with available data. We did not identify risk factors for late post-operative recurrence of CD or mucosal disease progression. CONCLUSIONS Among patients with CD treated by ileocecal resection, 40% of patients had a late recurrence, despite initial endoscopic remission, after a median follow-up time of 3.5 years. Tight monitoring of these patients is recommended beyond 18 months.
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Affiliation(s)
- Lieven Pouillon
- Imelda GI Clinical Research Centre, Imeldaziekenhuis Bonheiden, Bonheiden, Belgium; Department of Hepato-Gastroenterology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Thomas Remen
- Unit of Methodology, Data-management and Statistic (UMDS), Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Caroline Amicone
- Department of Gastroenterology, Liège University Hospital, Liège, Belgium
| | - Edouard Louis
- Department of Gastroenterology, Liège University Hospital, Liège, Belgium
| | - Sielte Maes
- Imelda GI Clinical Research Centre, Imeldaziekenhuis Bonheiden, Bonheiden, Belgium; Department of Gastroenterology, Heilig Hart Ziekenhuis, Lier, Belgium
| | - Catherine Reenaers
- Department of Gastroenterology, Liège University Hospital, Liège, Belgium
| | - Adeline Germain
- Department of Surgery, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Cédric Baumann
- Unit of Methodology, Data-management and Statistic (UMDS), Nancy University Hospital, Vandoeuvre-lès-Nancy, France
| | - Peter Bossuyt
- Imelda GI Clinical Research Centre, Imeldaziekenhuis Bonheiden, Bonheiden, Belgium
| | - Laurent Peyrin-Biroulet
- Department of Hepato-Gastroenterology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France; Institut National de la Santé et de la Recherche Médicale (INSERM) 1256 NGERE, Lorraine University, Vandoeuvre-lès-Nancy, France.
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De Schrijver L, Sermeus L, Maes S, Camerlynck H, Morrison S. Regional anesthesia combined with virtual reality hypnosis for extended orthopedic surgery: two case reports. Acta Anaest Belg 2020. [DOI: 10.56126/71.3.8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background : Virtual reality hypnosis is a combination of visual immersion in a virtual reality environment and clinical hypnosis. It can be used in addition to conventional techniques, for sedation and pain management during wound care. Patients undergoing painful and long-lasting procedures under regional anesthesia could also benefit, from this technique alleviating the need for sedative-hypnotic medication.
Case presentation : Two patients with relative contra- indications for general anesthesia underwent lengthy orthopedic surgery of the upper limbs under regional anesthesia with additional virtual reality hypnosis. Written informed consent was obtained from both patients before surgery. A 69-year-old man, with a previous medical history of severe symptomatic aortic valve stenosis (ѳ 0.69cm2, max/mean gradient of 91/58mmHg) sustained a proximal humerus fracture-dislocation and was scheduled to undergo shoulder hemi-arthroplasty. Anesthesia was provided with ultrasound-guided continuous interscalene block at the C5-C6 level (11mL levobupivacaine 0.5%) combined with a single-shot superficial cervical plexus block (6mL levobupivacaine 0.5%). The second case was a 56-year-old man suffering from rheumatoid arthritis with severe restrictive lung function due to interstitial lung disease and bilateral bronchiectasis. He received a unilateral elbow prosthesis.
Continuous infra-clavicular brachial plexus block, per- formed under ultrasound guidance was provided (20 mL mepivacaine 1.5%). Both patients required prolonged immobilization on the operating table. We used virtual reality hypnosis to induce sedation and improve comfort without using medication. This was provided by headphones and head-mounted goggles, showing computer generated images of underwater scenes (Aqua module, Oncomfort ™). Both surgeries were uneventful during which time cardiorespiratory stability was maintained. Patients were comfortable during and satisfied after surgery. No sedative drugs were given before nor during the procedures.
Conclusion : Non-pharmacological sedation can be achieved with virtual reality hypnosis. When com- bined with regional anesthesia, this technique provides satisfactory sedation when pharmacological methods may be hazardous.
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Maes S, Caliari D. Tonsillar Lymphangiomatous Polyps: A Clinicopathological Description of 14 Canine Cases and One Feline Case. J Comp Pathol 2020. [DOI: 10.1016/j.jcpa.2019.10.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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De Gucht V, Cromm K, Vogt A, Julius U, Hohenstein B, Spitthöver RM, Ramlow W, Schettler VJJ, Maes S. Treatment-related and health-related quality of life in lipoprotein apheresis patients. J Clin Lipidol 2018; 12:1225-1233. [PMID: 29921556 DOI: 10.1016/j.jacl.2018.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 03/27/2018] [Accepted: 05/10/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND There is evidence for beneficial effects of lipoprotein apheresis (LA) in terms of reduction of cardiovascular events and interventions, but quality of life (QOL) in LA patients has only been explored in small samples. OBJECTIVE In this study, both LA- or treatment-related and health-related QOL (HRQOL) were assessed in 206 LA patients. METHODS Mental and physical HRQOL of the LA patients was assessed by means of the SF-12 as well as the EQ-5D. Physical complaints were assessed by the Patient Health Questionnaire-15 and LA- or treatment-related QOL by the Apheresis Quality of Life Form, developed for this study. RESULTS Comparison with general population norms showed that LA patients scored significantly lower on HRQOL and significantly higher on physical complaints. A higher perceived impact of the treatment proved to have a significant negative association with HRQOL and a positive one with physical complaints. CONCLUSION Previous studies reported higher levels of QOL in LA patients. This study showed that treatment-related QOL contributes to HRQOL and physical complaints in LA patients. While many patients do not experience LA as a real burden and report positive effects of the treatment, there is also an important group of patients for whom this is not the case. Although the impact on QOL of LA patients does most probably not outweigh the cardiovascular benefits of the treatment, it is important to screen treatment-related QOL in LA patients to optimize care in a personalized way. Future research is needed to compare QOL in LA with non-LA patients with similar medical conditions.
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Affiliation(s)
- V De Gucht
- Department of Health and Medical Psychology, Leiden University, Leiden, The Netherlands.
| | - K Cromm
- Fresenius Medical Care, Bad Homburg, Germany
| | - A Vogt
- Stoffwechselambulanz, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, München, Germany
| | - U Julius
- Lipidology, Department of Internal Medicine III, University hospital at the Technische Universität Dresden, Dresden, Germany
| | - B Hohenstein
- Lipidology, Department of Internal Medicine III, University hospital at the Technische Universität Dresden, Dresden, Germany
| | | | - W Ramlow
- Apheresis Center Rostock (ACR), Rostock, Germany
| | | | - S Maes
- Department of Health and Medical Psychology, Leiden University, Leiden, The Netherlands
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Abstract
INTRODUCTION Esophageal cancer is one of the leading causes of cancer-related death worldwide. Its poor prognosis is related to an often late diagnosis. An earlier diagnosis and treatment however, is related to a better outcome. Early stage esophageal cancer can be diagnosed and treated endoscopically with minimally invasive techniques, which is associated with lower mortality and morbidity than surgery. Whether esophageal carcinoma can be treated endoscopically depends mainly on the risk of lymph node metastasis, which itself correlates to the invasion depth of the tumor. The question is whether endoscopy can accurately determine the invasion depth and thus the treatment modality. EVIDENCE ACQUISITION Articles used for this review were identified by searches of PubMed and references of relevant articles. EVIDENCE SYNTHESIS Lesion morphology has some predictive value for the depth of invasion for squamous cell carcinoma (SCC) and esophageal adenocarcinoma (EAC). An intramucosal cancer generally has a flat appearance (Paris 0-IIa, 0-IIb,). By contrast, a submucosally invasive cancer often has an excavated (0-IIc, 0-III) and sometimes a polypoid morphology (0-I). In SCC, classification of surface vessels and intrapapillary capillary loops (IPCLs) allows accurate assessment of invasion depth. Generally, mucosal lesions are an indication for endoscopic treatment. However recent studies have shown that tumors with submucosal infiltration and low risk profile for metastasis can also be treated safely by endoscopic resection. CONCLUSIONS Endoscopic assessment allows a rather accurate estimation of invasion depth of early esophageal cancer. To determine the final treatment modality however the final histological staging obtained by endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD) is crucial.
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Affiliation(s)
- Sielte Maes
- Department of Gastroenterology and Hepatology, Catholic University of Leuven (KUL), Leuven University Hospitals, Leuven, Belgium -
| | - Rehan Haidry
- Department of Gastroenterology and Endoscopy, University College Hospital, University College London, London, UK
| | - Raf Bisschops
- Department of Gastroenterology and Hepatology, Catholic University of Leuven (KUL), Leuven University Hospitals, Leuven, Belgium
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De Gucht V, Garcia FK, den Engelsman M, Maes S. Do changes in illness perceptions, physical activity, and behavioural regulation influence fatigue severity and health-related outcomes in CFS patients? J Psychosom Res 2017; 95:55-61. [PMID: 28314549 DOI: 10.1016/j.jpsychores.2017.02.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 01/23/2023]
Abstract
OBJECTIVE Examine to what extent changes in cognitions and changes in physical activity and behavioural regulation patterns influence fatigue severity, physical symptoms, and physical and psychological functioning of patients suffering from Chronic Fatigue Syndrome (CFS) at follow-up. METHODS The present study is an observational longitudinal study with a 12-month follow-up. A total of 144 CFS patients participated both at baseline and at follow-up. Four separate hierarchical regression analyses were conducted with fatigue, physical symptoms, physical functioning and psychological functioning at follow-up as the dependent variables, and (changes in) illness perceptions and behavioural regulation patterns (all-or-nothing and limiting behaviour) as the independent variables. Data were collected making use of self-report questionnaires. RESULTS Increased Consequence and Identity beliefs over time, as well as increases in all-or-nothing behaviour predicted higher fatigue severity at follow-up. Both number and severity of physical symptoms and psychological functioning at follow-up were only determined by changes in illness perceptions, with increased Consequence beliefs influencing both outcomes, and increased Timeline beliefs only determining physical symptoms. Physical functioning at follow-up was predicted by changes in illness perceptions as well as increased levels of both all-or-nothing and limiting behaviour. CONCLUSION The findings point at a differential pattern of associations between changes in illness perceptions and behaviour regulation patterns on the one hand, and patient outcomes on the other hand. Whereas illness perceptions significantly contribute to each of the outcomes, behaviour regulation patterns contribute only to fatigue severity and physical functioning.
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Affiliation(s)
- V De Gucht
- Leiden University, Institute of Psychology, Health, Medical and Neuropsychology Unit, The Netherlands.
| | - F K Garcia
- Leiden University, Institute of Psychology, Health, Medical and Neuropsychology Unit, The Netherlands
| | - M den Engelsman
- Leiden University, Institute of Psychology, Health, Medical and Neuropsychology Unit, The Netherlands
| | - S Maes
- Leiden University, Institute of Psychology, Health, Medical and Neuropsychology Unit, The Netherlands
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Marques MM, de Gucht V, Leal I, Maes S. Efficacy of a randomized controlled self-regulation based physical activity intervention for chronic fatigue: Mediation effects of physical activity progress and self-regulation skills. J Psychosom Res 2017; 94:24-31. [PMID: 28183399 DOI: 10.1016/j.jpsychores.2016.12.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Revised: 12/23/2016] [Accepted: 12/23/2016] [Indexed: 01/06/2023]
Abstract
OBJECTIVE Examine the medium-term effects of a brief physical activity (PA) self-regulation (SR) based intervention (4-STEPS program) for chronic fatigue, and explore the mediating effects of PA related variables and SR skills. METHODS A two-arm randomized controlled trial (Usual Care vs 4-STEPS) was carried out. The 4-STEPS program consisted of Motivational Interviewing and SR-skills training. Fatigue severity (primary outcome) and impact, PA, health-related quality of life (HrQoL), and somatic and psychological distress were assessed at baseline, post-treatment (12weeks) and 12months follow-up. RESULTS Ninety-one patients (45 intervention and 46 controls) were included. At follow-up, there were significant treatment effects on fatigue severity (g=0.72) and fatigue impact, leisure-time PA, and physical and psychological HrQoL. No significant effects were found for number of daily steps and somatic and psychological distress. Fatigue severity at follow-up was partially mediated by post-treatment progress on a personal PA goal (effect ratio=18%). CONCLUSION Results suggest that a brief intervention, focusing on the formulation and pursuit of personal PA goals and the use of SR skills, produces sustained benefits for fatigue severity. Despite these promising results, dropout was high and the intervention was not beneficial for all secondary outcomes.
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Affiliation(s)
- M M Marques
- Interdisciplinary Centre for the Study of Human Performance (CIPER), Faculty of Human Kinetics, University of Lisbon, Portugal; Leiden University, Department of Health, Medical and Neuropsychology, PO Box 9555, 2300 RB Leiden, The Netherlands.
| | - V de Gucht
- Leiden University, Department of Health, Medical and Neuropsychology, PO Box 9555, 2300 RB Leiden, The Netherlands
| | - I Leal
- ISPA- University Institute, Rua Jardim do Tabaco, 34, 1149-041 Lisboa, Portugal
| | - S Maes
- Leiden University, Department of Health, Medical and Neuropsychology, PO Box 9555, 2300 RB Leiden, The Netherlands
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Abstract
There has been a rapid increase in the incidence of oesophageal adenocarcinoma in most Western countries over the past thirty years. Barrett's oesophagus (BE) is a common premalignant lesion of oesophageal adenocarcinoma, although the risk of developing cancer in BE remains low. Therefore, screening is not recommended in the general population. Surveillance of BE is recommended to detect high grade dysplasia or carcinoma in an early stage, although there is no clear evidence that surveillance leads to a reduced mortality. This review discusses the several screening and surveillance techniques, including chromoendoscopy, narrow band imaging, autofluorescence imaging and confocal laser endomicroscopy, pointing out the areas that are well established as well as the new techniques that require more research.
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Affiliation(s)
- Sielte Maes
- Catholic University of Leuven (KUL), University Hospitals Leuven, Department of Gastroenterology and Hepatology, Herestraat 49, 3000 Leuven, Belgium.
| | - Prateek Sharma
- University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, USA.
| | - Raf Bisschops
- Catholic University of Leuven (KUL), TARGID, University Hospitals Leuven, Department of Gastroenterology and Hepatology, Herestraat 49, 3000 Leuven, Belgium.
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Maes S, Laubach M, Poelaert J. Randomised controlled trial of spinal anaesthesia with bupivacaine or 2-chloroprocaine during caesarean section. Acta Anaesthesiol Scand 2016; 60:642-9. [PMID: 26608876 DOI: 10.1111/aas.12665] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 05/31/2015] [Accepted: 11/03/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND Neuraxial anaesthesia is the desired method for Caesarean section. Bupivacaine is a well-known local anaesthetic. It has a long duration of action and can cause unpredictable levels of anaesthesia with subsequent prolonged discharge time. 2-Chloroprocaine has a rapid onset of action, producing an excellent sensory and motor block and has a rapid hydrolysis in the bloodstream by pseudocholinesterase. We compared bupivacaine and 2-chloroprocaine for spinal anaesthesia during Caesarean section. The primary endpoint was the earliest reversal sign of the motor block. METHODS Sixty ASAI/II patients, planned for elective singleton Caesarean section, were equally randomised to three groups. All patients received a combined spinal-epidural anaesthesia. The first group received 2-chloroprocaine (40 mg) without sufentanil, the second group received 2-chloroprocaine (40 mg) with sufentanil (1 μg) and the third group received hyperbaric bupivacaine (7.5 mg) with sufentanil (1 μg) as a spinal anaesthetic. Motor and sensory blockade were assessed at specific time points. RESULTS There was no difference between the three groups regarding the time to regression of the motor block. However, at 5 min post spinal injection, the level of sensory block was higher for both groups with 2-chloroprocaine, in comparison with the bupivacaine group. CONCLUSION 2-Chloroprocaine can be used for low risk Caesarean section in healthy parturients. There is no difference in time to motor block resolution compared to bupivacaine. Motor recovery seems more predictable for 2-chloroprocaine and may be beneficial for the breastfeeding initiation.
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Affiliation(s)
- S. Maes
- Department of Anaesthesiology and Perioperative Medicine; UZ Brussel; Brussels Belgium
| | - M. Laubach
- Department of Gynaecology; UZ Brussel; Brussels Belgium
| | - J. Poelaert
- Department of Anaesthesiology and Perioperative Medicine; UZ Brussel; Brussels Belgium
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Marques M, De Gucht V, Gouveia M, Leal I, Maes S. Differential effects of behavioral interventions with a graded physical activity component in patients suffering from Chronic Fatigue (Syndrome): An updated systematic review and meta-analysis. Clin Psychol Rev 2015; 40:123-37. [DOI: 10.1016/j.cpr.2015.05.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 01/21/2015] [Accepted: 05/13/2015] [Indexed: 01/17/2023]
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De Cuyper E, De Gucht V, Maes S, Van Camp Y, Elseviers M, De Clerck L. SAT0644-HPR Determinants of Methotrexate Adherence in Rheumatoid Arthritis Patients. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Marques M, De Gucht V, Leal I, Maes S. Effects of a Self-regulation Based Physical Activity Program (The “4-STEPS”) for Unexplained Chronic Fatigue: a Randomized Controlled Trial. Int J Behav Med 2014; 22:187-96. [DOI: 10.1007/s12529-014-9432-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Cornelis I, Chiers K, Maes S, Kramer M, Ducatelle R, De Decker S, Van Ham L. Claudin-1 and Glucose Transporter 1 Immunolabelling in a Canine Intraneural Perineurioma. J Comp Pathol 2012; 147:186-90. [DOI: 10.1016/j.jcpa.2011.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 09/22/2011] [Accepted: 12/02/2011] [Indexed: 10/14/2022]
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Vanhaesebrouck AE, Maes S, Van Soens I, Baeumlin Y, Saey V, Van Ham LM. Bilateral obturator neuropathy caused by an intrapelvic fibrosarcoma with myofibroblastic features in a dog. J Small Anim Pract 2012; 53:423-7. [PMID: 22691019 DOI: 10.1111/j.1748-5827.2012.01225.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
A nine-year-old female Rottweiler presented with a 6-week history of progressive impairment of hindlimb adduction. Clinical examination showed abduction of both hind legs when walking on a smooth surface, pain at the medial surface of the left thigh, and an intrarectal palpable mass at the pelvic floor. Electromyography demonstrated fibrillation potentials in the adductor muscles on both sides. Pelvic radiographs showed severe osteolysis of the ischium. Gross post-mortem examination following euthanasia disclosed a large retroperitoneal mass, invading the obturator foramina and compressing both obturator nerves. Histopathological examination revealed a high-grade anaplastic sarcoma. Immunohistochemically, the tumour cells labelled positively for vimentin and alpha-smooth muscle actin, hence the tumour was considered a "myofibroblastic fibrosarcoma". This unique case report describes a novel cause of obturator neuropathy in veterinary medicine. To date, clinical descriptions of obturator nerve lesions have been limited to pelvic fractures in small animals and following difficult labour in large animals.
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Affiliation(s)
- A E Vanhaesebrouck
- Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, 133 Salisburylaan, Merelbeke, Belgium
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Tavernier P, Baert K, Van de Bildt M, Kuiken T, Cay A, Maes S, Roels S, Gouwy J, Van Den Berge K. A distemper outbreak in beech martens (Martes foina) in Flanders. VLAAMS DIERGEN TIJDS 2012. [DOI: 10.21825/vdt.v81i2.18362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
An outbreak of distemper was observed in beech martens (Martes foina) in the eastern part of Flanders (Belgium) for the first time. The clinical and pathological findings were consistent with other outbreaks described in mustelids in Europe. Using reverse transcriptase polymerase chain reaction, morbillivirus RNA was detected in an organ homogenate inoculated on Vero.dogSLAM cells. The virus was sequenced and was identified as a canine distemper virus (CDV) strain, hundred percent identical to an earlier isolate from a marten from Germany. After a period of nearly complete absence of beech martens in Flanders due to intensive prosecution, their population density has increased substantially in the last decennia. Although the exact mechanisms behind the observed population changes stay unclear, spread of CDV from central Europe following dispersion of beech martens is indicated by our findings. Further CDV spread could negatively impact on the highly threatened pine marten (Martes martes) and the decreasing polecat (Mustela putorius) populations in Flanders.
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Hurkmans EJ, de Gucht V, Maes S, Peeters AJ, Ronday HK, Vliet Vlieland TPM. Promoting physical activity in patients with rheumatoid arthritis: rheumatologists' and health professionals' practice and educational needs. Clin Rheumatol 2011; 30:1603-9. [PMID: 21912880 PMCID: PMC3218269 DOI: 10.1007/s10067-011-1846-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 06/24/2011] [Accepted: 08/31/2011] [Indexed: 11/29/2022]
Abstract
Despite the proven health benefits, patients with rheumatoid arthritis (RA) are found to be less physically active than their healthy peers. The aim of this study was to examine to what extent and how physical activity, defined as any bodily movement resulting in energy expenditure, is currently promoted by health care providers in patients with RA and how they perceive their competencies and educational needs. For this cross-sectional study, Dutch rheumatologists, rheumatology clinical nurse specialists, and expert physical therapists were sent a postal survey including four domains: attitudes towards physical activity in RA, advices given to patients with RA, and perceived competencies and educational needs. A total of 126 rheumatologists (50%), 132 clinical nurse specialists (56%), and 112 physical therapists (53%) returned the questionnaire. More than 90% agreed that physical activity is an important health goal for RA patients and regularly advised their patients to engage in physical activity. Public health recommendations for moderate-intensity physical activity were found attainable in RA patients by 66%, 74%, and 65% and were by used by 19%, 41%, and 49% of them, respectively. On average, respondents rated their competency to promote physical activity as low to medium, and 54%, 85%, and 72% of the respondents expressed a need for additional education regarding this topic. Rheumatologists, nurses, and physical therapists considered regular physical activity to be an important health goal for RA patients. The majority of them commonly gave advice on physical activity but felt not sufficiently competent and indicated a need for additional education.
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Affiliation(s)
- Emalie J Hurkmans
- Department of Rheumatology, Leiden University Medical Center, C1-R, P.O. Box 9600, Leiden, The Netherlands.
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Oosterlinck M, Raes E, Verbraecken S, van Loon G, Maes S, Gielen I, Lefère L, Saunders JH. Severe lameness caused by metastatic renal adenocarcinoma of the third phalanx in a Warmblood mare. EQUINE VET EDUC 2011. [DOI: 10.1111/j.2042-3292.2011.00282.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Van Immerseel F, Pardon B, Maes S, Heyndrickx M, Timbermont L, Boyen F, Haesebrouck F, Ducatelle R, Deprez P. Isolation of a clonal population of Clostridium perfringens type A from a Belgian Blue calf with abomasal ulceration. J Comp Pathol 2011; 143:289-93. [PMID: 20430403 DOI: 10.1016/j.jcpa.2010.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2009] [Revised: 02/07/2010] [Accepted: 02/27/2010] [Indexed: 11/25/2022]
Abstract
A case of abomasal ulceration in a 3-month-old Belgian Blue calf is described. Microscopical examination revealed the ulcers to be demarcated by a band of neutrophilic inflammation that separated underlying healthy tissue from the superficial fibrinous necrotic material in which bacteria were present. Clostridium perfringens type A was isolated from multiple ulcers and from the intestinal contents of the animal and pulsed field gel electrophoresis confirmed that the isolates comprised a genetically clonal population.
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Affiliation(s)
- F Van Immerseel
- Department of Pathology, Bacteriology and Avian Diseases, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium.
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Saey V, Vanhaesebrouck A, Maes S, Simaey LV, Van Ham L, Deschaght P, Ducatelle R. Granulomatous Meningoencephalitis Associated With Sporobolomyces roseus in a Dog. Vet Pathol 2010; 48:1158-60. [DOI: 10.1177/0300985810391110] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A German Shepherd Dog was evaluated for clinical signs of multifocal, progressive brain disease. Despite supportive care, the dog died shortly after hospital admission. Granulomatous meningoencephalitis with intralesional fungal hyphae was diagnosed postmortem. The fungus was identified as Sporobolomyces roseus by polymerase chain reaction amplification and sequencing of the ITS2 region.
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Affiliation(s)
- V. Saey
- Laboratory of Pathology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - A. Vanhaesebrouck
- Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - S. Maes
- Laboratory of Pathology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - L. Van Simaey
- Laboratory of Bacteriology, Department of Research (LBR), Ghent University Hospital, Ghent, Belgium
| | - L. Van Ham
- Department of Small Animal Medicine and Clinical Biology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - P. Deschaght
- Laboratory of Bacteriology, Department of Research (LBR), Ghent University Hospital, Ghent, Belgium
| | - R. Ducatelle
- Laboratory of Pathology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Pardon B, Vandenberge V, Maes S, De Clercq K, Ducatelle R, Deprez P. Oesophageal paresis associated with bluetongue virus serotype 8 in cattle. Vet Rec 2010; 167:579-81. [DOI: 10.1136/vr.c4979] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- B. Pardon
- Department of Large Animal Internal Medicine
| | - V. Vandenberge
- Department of Pathology, Bacteriology and Avian Diseases; Faculty of Veterinary Medicine; Ghent University; Salisburylaan 133 9820 Merelbeke Belgium
| | - S. Maes
- Department of Pathology, Bacteriology and Avian Diseases; Faculty of Veterinary Medicine; Ghent University; Salisburylaan 133 9820 Merelbeke Belgium
| | - K. De Clercq
- Veterinary and Agrochemical Research Centre (CODA/CERVA); Department of Virology; Groeselenberg 99 1180 Brussels Belgium
| | - R. Ducatelle
- Department of Pathology, Bacteriology and Avian Diseases; Faculty of Veterinary Medicine; Ghent University; Salisburylaan 133 9820 Merelbeke Belgium
| | - P. Deprez
- Department of Large Animal Internal Medicine
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Govaere J, Maes S, Saey V, Blancke W, Hoogewijs M, Deschauwer C, Smits K, Roels K, Vercauteren G, de Kruif A. Uterine fibrosarcoma in a Warmblood mare. Reprod Domest Anim 2010; 46:564-6. [PMID: 21545654 DOI: 10.1111/j.1439-0531.2010.01694.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This paper describes a case of uterine fibrosarcoma in an 18-year-old Warmblood mare. The mare had exhibited bloody fluid accumulation inside the uterus and vaginal haemorrhagic discharge since the previous foaling. The mare was euthanized, and on pathological examination, in addition to the uterine neoplasia, multiple metastases were found in the lungs, liver and spleen. The histological and immunohistochemical examination determined that the tumour was a fibrosarcoma. To our knowledge, this is the first paper to describe a uterine fibrosarcoma in a mare.
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Affiliation(s)
- J Govaere
- Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan, Belgium.
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Hurkmans EJ, Maes S, de Gucht V, Knittle K, Peeters AJ, Ronday HK, Vlieland TPMV. Motivation as a determinant of physical activity in patients with rheumatoid arthritis. Arthritis Care Res (Hoboken) 2010; 62:371-7. [DOI: 10.1002/acr.20106] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Pardon B, Steukers L, Dierick J, Ducatelle R, Saey V, Maes S, Vercauteren G, De Clercq K, Callens J, De Bleecker K, Deprez P. Haemorrhagic diathesis in neonatal calves: an emerging syndrome in Europe. Transbound Emerg Dis 2010; 57:135-46. [PMID: 20202175 DOI: 10.1111/j.1865-1682.2010.01098.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In 2008 and 2009 a large number of cases of haemorrhagic diathesis (HD) in neonatal calves were reported in different European countries. In Flanders, 84 cases of neonatal HD in 30 herds were reported in this period. The disease typically affects calves younger than 1 month old from different breed and gender. Prominent clinical signs are cutaneous bleeding, petechiae on all mucosae, melena and often high fever. Early in the disease, the mental state of the animals is uncompromised. The typical haematological finding is pancytopenia, with severe to complete thrombocytopenia being the cause of the increased susceptibility to bleeding. In seven of the affected herds blood samples of calves of the same age group as the clinical case were collected and on six of those farms at least one subclinical case could be identified. Necropsy findings were generalized petechiae, ecchymoses or haemorrhages and variable lymphadenopathy. Histopathology of haemorrhagic lesions revealed multifocal extravasation of red blood cells (haemorrhage) with preservation of tissue architecture and absence of other abnormalities. Total bone marrow aplasia and depletion of all lymphoid tissue was the most prominent finding on histology. Activated macrophages and haemophagocytosis were seen on bone marrow cytology from two live calves. Polymerase chain reaction for bovine viral diarrhoea virus, bluetongue and epizootic haemorrhagic disease virus was negative. Several attempts to isolate a viral agent were unsuccessful.
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Affiliation(s)
- B Pardon
- Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
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Maes S, Van Goethem B, Saunders J, Binst D, Chiers K, Ducatelle R. Pneumomediastinum and Subcutaneous Emphysema in a Cat Associated with Necrotizing Bronchopneumonia Caused by Felid Herpesvirus-1. J Comp Pathol 2009. [DOI: 10.1016/j.jcpa.2009.08.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tack F, Bakker A, Maes S, Dekeyser N, Bruining M, Elissen-Roman C, Janicot M, Janssen HM, De Waal BFM, Fransen PM, Lou X, Meijer EW, Arien A, Brewster ME. Dendrimeric poly(propylene-imines) as effective delivery agents for DNAzymes: dendrimer synthesis, stability and oligonucleotide complexation. J Control Release 2007; 116:e24-6. [PMID: 17718950 DOI: 10.1016/j.jconrel.2006.09.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- F Tack
- Oncology Discovery Research and Early Development, Johnson and Johnson Pharmaceutical Research and Development, Beerse, Belgium
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Quoilin S, Lambion N, Mak R, Denis O, Lammens C, Struelens M, Maes S, Goossens H. Soft tissue infections in Belgian rugby players due to Streptococcus pyogenes emm type 81. ACTA ACUST UNITED AC 2006; 11:E061221.2. [PMID: 17213570 DOI: 10.2807/esw.11.51.03099-en] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- S Quoilin
- Scientific Institute of Public Health, Brussels, Belgium.
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Boersma SN, Maes S. Psychological consequences of myocardial infarction: a self-regulation perspective on health-related quality of life and cardiac rehabilitation. Neth Heart J 2006; 14:335-338. [PMID: 25696560 PMCID: PMC2557324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023] Open
Abstract
The aim of this review was to gain insight into prevalence of and interventions targeted specifically at psychological distress and health-related quality of life (HRQL) after a myocardial infarction (MI). For this purpose, self-regulation theory was introduced as frame of reference. Psychological distress and a reduction in HRQL after an MI are prevalent and can, for some patients, be persistent. This can negatively influence secondary prevention efforts, adherence, return to work and progression of the underlying coronary heart disease. At the same time, the effectiveness of cardiac rehabilitation programmes in improving HRQL is inconclusive. By starting off from a theoretical framework, effective strategies can be either identified or developed. Self-regulation theory is concerned with the process of goal setting and goal attainment and offers a model for explaining well-being and quality of life. The usefulness of this theory is supported by empirical evidence. Psychological factors derived from this theoretical framework (e.g. higher order goal disturbance) are associated with psychological distress and HRQL in the short and medium term after an MI and should thus be the target of cardiac rehabilitation programmes.
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Beaude L, Line S, Bossu S, Lachambre N, Maes S, Pham M. Exemple de démarche pluridisciplinaire : réalisation d’un guide de « bonnes pratiques »dans les structures d’accueil de jeunes enfants(crèche, halte-garderie, multi accueil)ou la conjugaison de la pluridisciplinarité« je, nous, on ». ARCH MAL PROF ENVIRO 2006. [DOI: 10.1016/s1775-8785(06)78290-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Snacken R, Maes S. [Concern about vaccination: which vaccine in the event of pandemic influenza?]. Rev Med Brux 2006; 27:75-6. [PMID: 16736843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Affiliation(s)
- R Snacken
- Département d'Epidémiologie-Toxicologie, Institut Scientifique de Santé Publique
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Akerboom S, Maes S. Beyond demand and control: The contribution of organizational risk factors in assessing the psychological well-being of health care employees. Work & Stress 2006. [DOI: 10.1080/02678370600690915] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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32
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Quoilin S, Thomas I, Gérard C, Maes S, Haucotte G, Gerard M, Van Laethem Y, Snacken R, Hanquet G, Brochier B, Robesyn E. Management of potential human cases of influenza A/H5N1: lessons from Belgium. ACTA ACUST UNITED AC 2006; 11:E060126.1. [PMID: 16801712 DOI: 10.2807/esw.11.04.02885-en] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Since the first human cases of influenza A/H5N1 were widely reported from Turkey in early January, many European patients with suspected influenza
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Affiliation(s)
- S Quoilin
- Scientific Institute of Public Health, Brussels, Belgium.
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Vanthemsche P, Robesyn E, Claeys H, Matthijs B, Snacken R, Maes S, Jooris I, Reynders D, Guilmin P, Janssens W, Moriaux R, Haucotte G. [Influenza: an example of interdisciplinary analysis of risks]. Bull Mem Acad R Med Belg 2006; 161:246-58. [PMID: 17283897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
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Snacken R, Hanquet G, Maes S, Brochier B. [Avian flu: what kind of danger for public health?]. Rev Med Brux 2005; 26:481-3. [PMID: 16454151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
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Van Der Doef M, Maes S. Teacher-specific Quality of WorkVersusGeneral Quality of Work Assessment: A Comparison of Their Validity Regarding Burnout, (Psycho)Somatic Well-being and Job Satisfaction. Anxiety, Stress & Coping 2002. [DOI: 10.1080/1061580021000056500] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Abstract
OBJECTIVE To review the social-cognitive theories that have predominated in research on determinants of healthbehaviors. METHODS Based on a literaturesearch,the theorieswere compared and critically analyzed. RESULTS Although the theories are somewhat successful in predicting health behaviors, the social-cognitive perspective is restricted to a unidirectional, nondynamic view of behavioral change and neglects the fact that individuals may differ with respect to the life goals they pursue. CONCLUSION Health behavior research should adopt a more integrative approach, including insights from stage and goal theories. The health behavior goal model is described as an example of such an approach.
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Maes S. Nurses explore relationships among mind, body, and spirit. ONS News 2001; 16:1, 4-5. [PMID: 12150098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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De Veylder L, Beeckman T, Beemster GT, Krols L, Terras F, Landrieu I, van der Schueren E, Maes S, Naudts M, Inzé D. Functional analysis of cyclin-dependent kinase inhibitors of Arabidopsis. Plant Cell 2001; 13:1653-1668. [PMID: 11449057 DOI: 10.1105/tpc.13.7.1653] [Citation(s) in RCA: 154] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Cyclin-dependent kinase inhibitors, such as the mammalian p27(Kip1) protein, regulate correct cell cycle progression and the integration of developmental signals with the core cell cycle machinery. These inhibitors have been described in plants, but their function remains unresolved. We have isolated seven genes from Arabidopsis that encode proteins with distant sequence homology with p27(Kip1), designated Kip-related proteins (KRPs). The KRPs were characterized by their domain organization and transcript profiles. With the exception of KRP5, all presented the same cyclin-dependent kinase binding specificity. When overproduced, KRP2 dramatically inhibited cell cycle progression in leaf primordia cells without affecting the temporal pattern of cell division and differentiation. Mature transgenic leaves were serrated and consisted of enlarged cells. Although the ploidy levels in young leaves were unaffected, endoreduplication was suppressed in older leaves. We conclude that KRP2 exerts a plant growth inhibitory activity by reducing cell proliferation in leaves, but, in contrast to its mammalian counterparts, it may not control the timing of cell cycle exit and differentiation.
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Affiliation(s)
- L De Veylder
- Vakgroep Moleculaire Genetica, Departement Plantengenetica, Vlaams Interuniversitair Instituut voor Biotechnologie, Universiteit Gent, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
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De Veylder L, Beeckman T, Beemster GT, Krols L, Terras F, Landrieu I, van der Schueren E, Maes S, Naudts M, Inzé D. Functional analysis of cyclin-dependent kinase inhibitors of Arabidopsis. Plant Cell 2001; 13:1653-68. [PMID: 11449057 PMCID: PMC139548 DOI: 10.1105/tpc.010087] [Citation(s) in RCA: 174] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2001] [Accepted: 05/17/2001] [Indexed: 05/17/2023]
Abstract
Cyclin-dependent kinase inhibitors, such as the mammalian p27(Kip1) protein, regulate correct cell cycle progression and the integration of developmental signals with the core cell cycle machinery. These inhibitors have been described in plants, but their function remains unresolved. We have isolated seven genes from Arabidopsis that encode proteins with distant sequence homology with p27(Kip1), designated Kip-related proteins (KRPs). The KRPs were characterized by their domain organization and transcript profiles. With the exception of KRP5, all presented the same cyclin-dependent kinase binding specificity. When overproduced, KRP2 dramatically inhibited cell cycle progression in leaf primordia cells without affecting the temporal pattern of cell division and differentiation. Mature transgenic leaves were serrated and consisted of enlarged cells. Although the ploidy levels in young leaves were unaffected, endoreduplication was suppressed in older leaves. We conclude that KRP2 exerts a plant growth inhibitory activity by reducing cell proliferation in leaves, but, in contrast to its mammalian counterparts, it may not control the timing of cell cycle exit and differentiation.
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Affiliation(s)
- L De Veylder
- Vakgroep Moleculaire Genetica, Departement Plantengenetica, Vlaams Interuniversitair Instituut voor Biotechnologie, Universiteit Gent, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
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Abstract
PURPOSE To investigate aspects of adolescents' condom use self-efficacy that affect their intended and actual condom use. METHODS Four hundred twenty-four male and female sexually experienced and inexperienced adolescents with a mean age of 17.0 years filled out a questionnaire concerning condom use self-efficacy and intended and actual condom use. Specific condom use self-efficacy scales were constructed from 37 items on the basis of a principal component analysis. The effect of self-efficacy, both as a global measure and in terms of specific scales, on condom use intention and consistency was assessed using multiple hierarchic regression analyses. RESULTS Six specific self-efficacy scales were constructed: Technical Skills, Image Confidence, Emotion Control, Purchase, Assertiveness, and Sexual Control. In sexually inexperienced adolescents, global self-efficacy explained 48%, the six self-efficacy scales 30%, and both together 51% of the variance in intention, after statistical control for gender, age, and education level. In the sexually experienced sample, this was 40%, 50%, and 57% for intention, and 23%, 29%, and 33% for consistency of condom use. Significant predictors of intention in the final model were gender, age, global self-efficacy and purchasing skills in the inexperienced sample, and global self-efficacy, emotion control, assertiveness, image confidence, and sexual control in the experienced sample, whereas gender, age, global self-efficacy, emotion control, assertiveness, and purchase predicted consistency of condom use in the experienced sample. CONCLUSIONS Condom use self-efficacy is a multidimensional construct. Intended and actual condom use in adolescents are best predicted by self-efficacy measures that include both global and relevant specific aspects of condom use.
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Affiliation(s)
- J Baele
- Leuven University Center for Cancer Prevention, Leuven, Belgium.
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Abstract
This study examined the natural course of psychological functioning in recently bereaved middle-aged women. 69 widows were assessed four times (T1-T4) between the period of 4 to 13 mo. after the loss and were compared to a matched nonwidowed group of 57. Of the SCL-90 feelings of depression, agoraphobic behavior, anxiety, hostility, somatization, feelings of insufficiency, and sleep disorders were heightened at 4 mo. after bereavement compared to the norm group. Significantly higher psychological dysfunctioning was found on all SCL-90 subscales than for non-widows. Over time, a decrease in psychological dysfunction was found for most widows; however, not every widow appeared to recover psychologically, and 17% of the widows showed severe psychological dysfunctioning at 13 mo. postbereavement (T4). With respect to the predictive value of the Total score on the SCL-90, at 13 mo., 27% of these widows had scores indicating severe psychological dysfunctioning; these were comparable to their scores at 4 mo. postbereavement.
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Affiliation(s)
- E E Beem
- Helen Dowling Institute, Utrecht Leiden University, The Netherlands.
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Maes S. Where have all the nurses gone? ONS News 2000; 15:1, 4-5. [PMID: 12017603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Dusseldorp E, van Elderen T, Maes S, Meulman J, Kraaij V. A meta-analysis of psychoeduational programs for coronary heart disease patients. Health Psychol 1999. [PMID: 10519467 DOI: 10.1037//0278-6133.18.5.506] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In a meta-analysis of 37 studies, the effects of psychoeducational (health education and stress management) programs for coronary heart disease patients were examined. The results suggest that these programs yielded a 34% reduction in cardiac mortality; a 29% reduction in recurrence of myocardial infarction (MI); and significant (p < .025) positive effects on blood pressure, cholesterol, body weight, smoking behavior, physical exercise, and eating habits. No effects of psychoeducational programs were found in regard to coronary bypass surgery, anxiety, or depression. The results also suggest that cardiac rehabilitation programs that were successful on proximal targets (systolic blood pressure, smoking behavior, physical exercise, emotional distress) were more effective on distal targets (cardiac mortality and MI recurrences) than programs without success on proximal targets.
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Affiliation(s)
- E Dusseldorp
- Faculty of Social and Behavioral Sciences, Leiden University, The Netherlands.
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Abstract
Based on two leading models in occupational stress research, the Job Demand-Control-Support model and the Michigan model, a comprehensive quality of work questionnaire, was constructed--the Leiden Quality of Work Questionnaire. The factor structure of this questionnaire was assessed and cross-validated in two sub-samples of 2,000 men and women from a large sample of the Dutch working population. Analysis indicated that the questionnaire measures 11 work characteristics of Skill Discretion, Decision Authority, Task Control, Work and Time Pressure, Role Ambiguity, Physical Exertion, Hazardous Exposure, Job Insecurity, Lack of Meaningfulness, Social Support from Supervisor and Social Support from Coworkers, and the outcome variable of Job Satisfaction in a reliable way.
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Affiliation(s)
- M van der Doef
- Department of Clinical and Health Psychology, Leiden University, The Netherlands.
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45
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Abstract
190 nonexercisers foresaw regular exercise (> or = 3 times a week) as interfering with day-to-day activities. Most frequently mentioned were various social activities, doing household chores, and watching TV. The impediment of all activities, except watching TV, was expected to be at least rather bothersome. Interventions should focus on these particular barriers to action.
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Affiliation(s)
- W A Gebhardt
- Clinical and Health Psychology, Leiden University, The Netherlands.
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46
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Abstract
In a meta-analysis of 37 studies, the effects of psychoeducational (health education and stress management) programs for coronary heart disease patients were examined. The results suggest that these programs yielded a 34% reduction in cardiac mortality; a 29% reduction in recurrence of myocardial infarction (MI); and significant (p < .025) positive effects on blood pressure, cholesterol, body weight, smoking behavior, physical exercise, and eating habits. No effects of psychoeducational programs were found in regard to coronary bypass surgery, anxiety, or depression. The results also suggest that cardiac rehabilitation programs that were successful on proximal targets (systolic blood pressure, smoking behavior, physical exercise, emotional distress) were more effective on distal targets (cardiac mortality and MI recurrences) than programs without success on proximal targets.
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Affiliation(s)
- E Dusseldorp
- Faculty of Social and Behavioral Sciences, Leiden University, The Netherlands.
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47
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Abstract
This longitudinal study evaluated the effects of two types of coping strategies, approach and avoidance, on anxiety, depression, and well-being in patients with coronary heart disease. Measurements were made at three timepoints: 1 month, 3 months, and 12 months after the cardiac event. Both cross-sectional and longitudinal relations were explored. At all three measurement points significant negative cross-sectional relations were found between approach and well-being, and significant positive cross-sectional relations were found between approach, on the one hand, and anxiety and depression, on the other. At the first measurement point, avoidance showed a positive association with well-being, and a negative association with anxiety. Longitudinal analyses, however, revealed a negative relationship between approach at the first measurement points and anxiety and depression at later measurement points. Likewise, there was a positive association between approach at the first two measurement points and well-being at later measurement points. The results of this study demonstrate the importance of facing and working through the trauma of the coronary event. Although unfavorable in the short term, working through the trauma can attenuate long-term emotional distress. These results suggest that assessment of the psychological consequences of coronary heart disease and development of interventions should not be based only on cross-sectional data, but should take into account longitudinal relations between coping and psychosocial outcome measures.
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Affiliation(s)
- T van Elderen
- Clinical and Health Psychology Section, Faculty of Social Sciences, Leiden University, The Netherlands.
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48
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Abstract
In this longitudinal study of 504 nursing staff members from seven Dutch nursing homes, which transitions in exercise behaviour had occurred over a 12-mo. period were investigated. For this purpose, latent transition analyses were employed. Latent transition analysis is an extension of Markov chain modelling and of Latent class analysis and has been especially developed to study dynamic latent variables. The data supported the notion that natural change in exercise occurs through various stages and that these are sequential in nature. Latent transition analysis was an effective method for the comparison of various models describing possible transitions over time and for estimation of the likelihood of the occurrence of such transitions.
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49
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Chatrou M, Maes S, Dusseldorp E, Seegers G. Effects of the brabant smoking prevention programme: A replication of the wisconsin programme. Psychol Health 1999. [DOI: 10.1080/08870449908407321] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Lenstra ATH, Bracke B, van Dijk B, Maes S, Van Alsenoy C, Desseyn HO, Perlepes SP. Solid-State Modeling. VI. 2,3-Diketopiperazine: the Integration of Crystallographic and Spectroscopic Evidence. Acta Crystallogr B Struct Sci 1998. [DOI: 10.1107/s0108768197017758] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
2,3-Diketopiperazine (2,3-piperazinedione) crystallizes in the monoclinic space group P21/c with a = 5.941 (3), b = 10.080 (3), c = 8.282 (2) Å and β = 95.87 (3)°. The six-membered ring adopts a skew-boat conformation with Q = 0.467 (3) Å, θ = 64.6 (3)° and φ = 269.8 (4)°. Ab initio calculations show that the perfect skew-boat with its C
2 symmetry is broken by the formation of two intermolecular N—H...O bonds, involving only one of the C=O groups of the 2,3-diketopiperazine molecule. Vibrational spectra were recorded in solution and in the solid state. The assignment of the normal vibrations is proposed based on comparison with spectra of similar molecules and spectral changes due to deuteration. Ab initio calculations for the isolated molecule and the solid-state structure were used to calculate differences in the molecular geometry in the gas phase and crystalline state. Using these reference structures we calculated the stretching frequencies for the C=O groups. We predict an IR shift for C=O of 130 cm−1, when the molecule goes from the gas phase to the solid state. The observed shift is 110 cm−1. The differences between the C=O moieties in the solid state produce a calculated Δν of 55 cm−1, which matches satisfactorily the observed value of 49 cm−1.
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