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Suen A, Pham HT, Suen K, Narayanan S, Song G, Post AB, Mitsuyama P, Wechter D, Le Q, Grumley J, Robinson N, O'Malley M, Lavigne J, Stevens L, Youn V, Yao MS. Intra-Operative Radiotherapy (IORT) in Breast Conserving Therapy in Early-Stage Breast Cancer and DCIS. Int J Radiat Oncol Biol Phys 2023; 117:e209. [PMID: 37784871 DOI: 10.1016/j.ijrobp.2023.06.1096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Initial breast intra-operative radiotherapy (IORT) results in clinical trials were encouraging though with longer follow up, increased local recurrences have been reported compared with whole breast radiation or other partial breast radiation including accelerated partial breast irradiation (APBI) methods. The goal of the study is to report our prospective single institution IORT breast study outcomes of local recurrence (LR) including true recurrence and breast elsewhere failures, breast cancer specific survival (BCSS), and overall survival (OS) with low energy x-ray IORT in early-stage breast cancer or ductal carcinoma in situ. MATERIALS/METHODS A total of 480 patients with early-stage breast cancer or DCIS were prospectively enrolled in an IRB approved single institution trial and treated with low energy X-ray IORT 20 Gy at time of breast-conserving surgery. Eligibility criteria included ≥ 45 years of age with unifocal tumors < 3 cm deemed candidates for partial mastectomy. Supplemental external beam radiation was recommended for patients with high-risk surgical pathology including multifocal disease, positive nodes, close margins < 2 mm, or lymphovascular invasion. Ipsilateral breast tumor recurrences were classified as true recurrence versus elsewhere failure by location and histology: same/different quadrant and similar/different histology. Kaplan-Meier methods were used to estimate survival probabilities across time. RESULTS Median age of enrolled patients was 64 years with the majority of patients having favorable phenotype with 94% ER+ and 93% Her-2 - disease. 110 patients (23%) had supplemental EBRT delivered; 103 to the whole breast and 7 to the breast and regional nodes. At a median follow up of 73 months (range 17 - 131 months), there were 23 (4.8%) ipsilateral breast tumor recurrences, of which 9 were true recurrences (1.9%) and 14 elsewhere failures (2.9%). One patient with true recurrence and 3 patients with elsewhere breast failures synchronously presented with clinical or radiographic regional node involvement. Seven patient developed contralateral breast cancer and 8 patients developed distant metastases during the follow-up period. There were 2 breast cancer related deaths. At 6-years, overall survival rate was 96.8% and breast cancer specific survival was 98.7%. CONCLUSION Our study outcomes reflect similar outcomes as other reported IORT studies with electron or low energy X-ray in breast cancer, with higher risk of local failure than historical whole breast and other partial breast radiation techniques. This supports current radiation society guidelines for IORT monotherapy for breast cancer to be optimally considered in the context of prospective clinical trials.
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Affiliation(s)
- A Suen
- Virginia Mason Medical Center, Seattle, WA
| | - H T Pham
- Virginia Mason Medical Center, Seattle, WA
| | - K Suen
- Virginia Mason Medical Center, Seattle, WA
| | | | - G Song
- Virginia Mason Medical Center, Seattle, WA, United States
| | - A B Post
- Virginia Mason Medical Center, Seattle, WA, United States
| | | | - D Wechter
- Virginia Mason Medical Center, Seattle, WA
| | - Q Le
- Virginia Mason Medical Center, Seattle, WA
| | - J Grumley
- St. John's Cancer Institute, Santa Monica, CA
| | - N Robinson
- Virginia Mason Medical Center, Seattle, WA
| | - M O'Malley
- Virginia Mason Medical Center, Seattle, WA, United States
| | - J Lavigne
- Virginia Mason Medical Center, Seattle, WA
| | - L Stevens
- Virginia Mason Medical Center, Seattle, WA
| | - V Youn
- Virginia Mason Medical Center, Seattle, WA
| | - M S Yao
- Virginia Mason Medical Center, Seattle, WA, United States
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Elbatarny M, Stevens L, Dagenais F, Peterson M, Boodhwani M, Chu M, Ouzounian M. HEMIARCH VS EXTENDED ARCH REPLACEMENT IN ACUTE TYPE A DISSECTION: CANADIAN MULTICENTRE DATA. Can J Cardiol 2022. [DOI: 10.1016/j.cjca.2022.08.188] [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: 11/02/2022] Open
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Stevens L, Chartrand-Lefebvre C, Mansour S, Béland V, Prieto I, Basile F, Forcillo J, Soulez G, Noiseux N. AMI-PONT PROSPECTIVE RANDOMIZED CLINICAL TRIAL FOR ANTEROLATERAL TERRITORY CORONARY ARTERY BYPASS GRAFTING STRATEGIES. Can J Cardiol 2022. [DOI: 10.1016/j.cjca.2022.08.175] [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: 11/02/2022] Open
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4
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Farrell R, Colglazier E, Parker C, Stevens L, Austin ED, Fineman JR. Case Report: Caveolin‐1 Associated with Severe (Pediatric‐onset) Presentation of Pulmonary Arterial Hypertension. Pulm Circ 2022; 12:e12100. [PMID: 35864912 PMCID: PMC9294289 DOI: 10.1002/pul2.12100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 11/10/2022] Open
Abstract
There has been a growing interest in the role that genetic factors influence pediatric pulmonary vascular disease. In fact, data suggests that genetic factors contribute to ~42% of pediatric‐onset pulmonary hypertension. Although animal and human studies suggest that aberrations in Caveolin1 (CAV1) signaling participate in the development of pulmonary vascular disorders, limited reports of CAV1‐associated heritable pulmonary arterial hypertension (HPAH) exist. This is a case report of a 2‐year‐old female with late recognition of HPAH due to a CAV1 pathogenic variant: c.474del, (p.Leu159Serfs*22)(NM_001753.5). The pedigree demonstrates autosomal dominant transmission with reduced penetrance of PAH, suggestive that additional genetic or environmental factors modify PAH development. Genetic testing and the discovery of rare genetic alterations in PAH during infancy and childhood may aid in identifying disease etiologies, guide therapeutic decisions, and ultimately identify novel therapeutic targets. Moreover, CAV1 genetics implicate variable expressivity and incomplete penetrance for HPAH and underscores the utility of predictive genetic testing for unaffected family members no matter their age.
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Affiliation(s)
- R Farrell
- Department of Pediatrics UCSF Benioff Children's Hospital, San Francisco California
| | - E Colglazier
- Department of Pediatrics UCSF Benioff Children's Hospital, San Francisco California
| | - C Parker
- Department of Pediatrics UCSF Benioff Children's Hospital, San Francisco California
| | - L Stevens
- Department of Pediatrics UCSF Benioff Children's Hospital, San Francisco California
| | - ED Austin
- Department of Pediatrics Vanderbilt University Medical Center
| | - JR Fineman
- Department of Pediatrics UCSF Benioff Children's Hospital, San Francisco California
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Yap M, Wilson B, Oar A, Borras J, Bourque J, Lievens Y, Moraes F, Malik M, Polo A, Rodin D, Romero Y, Stevens L, Zubizarreta E. MO-0056 The prioritisation of radiotherapy in National Cancer Control Plans: a global study. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02289-7] [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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Kinser P, Jallo N, Moyer S, Weinstock M, Barrett D, Mughal N, Stevens L, Rider A. “It's always hard being a mom, but the pandemic has made everything harder”: A qualitative exploration of the experiences of perinatal women during the COVID-19 pandemic. Midwifery 2022; 109:103313. [PMID: 35334379 PMCID: PMC8923714 DOI: 10.1016/j.midw.2022.103313] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 03/07/2022] [Accepted: 03/14/2022] [Indexed: 11/30/2022]
Abstract
Background Understanding the psychosocial impacts of the COVID-19 pandemic in vulnerable groups, such as pregnant and parenting women, is a critical research and clinical imperative. Although many survey-based perinatal health studies have contributed important information about mental health, few have given full voice about the experiences of pregnant and postpartum women during the prolonged worldwide pandemic using a qualitative approach. Objective The purpose of this study is to explore the lived experience of pregnant and postpartum women in the United States during the ongoing COVID-19 pandemic. Design Qualitative phenomenological study. Setting This study was conducted in the community, by recruiting women throughout the U.S. Participants Fifty-four pregnant and postpartum women participated in qualitative interviews. Methods Data from one-on-one semi-structured interviews were analyzed using a team-based phenomenological qualitative approach. Results Two key themes were apparent: the pandemic has shined a light on the many typical struggles of motherhood; and, there is a lack of consistent, community-based or healthcare system resources available to address the complex needs of pregnant and postpartum women, both in general and during the pandemic. Conclusions Going forward, as the world continues to deal with the current pandemic and possible future global health crises, health care systems and providers are encouraged to consider the suggestions provided by these participants: talk early and often to women about mental health; help pregnant and postpartum women create and institute a personal plan for early support of their mental health needs and create an easily accessible mental health network; conceptualize practice methods that enhance coping and resilience; practice in community-based and interdisciplinary teams (e.g., midwives, doulas, perinatal social workers/ psychotherapists) to ensure continuity of care and to foster relationships between providers and pregnant/ postpartum women; and consider learning from other countries’ successful perinatal healthcare practices. Registration Number (& date of first recruitment): not applicable. Tweetable abstract Pregnant and postpartum women insist that mental health care must be overhauled, stating the pandemic has highlighted inherent cracks in the system.
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Affiliation(s)
- P Kinser
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - N Jallo
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - S Moyer
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - M Weinstock
- Virginia Commonwealth University, Department of Psychology, 806 West Franklin Street, Richmond, Virginia 23284, United States.
| | - D Barrett
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - N Mughal
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - L Stevens
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States.
| | - A Rider
- Virginia Commonwealth University, School of Nursing, 1100 E. Leigh Street, Richmond VA 23298, United States
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Ibrahim M, Stevens L, Ouzounian M, Hage A, Dagenais F, Peterson M, El-Hamamsy I, Boodhwani M, Bozinovski J, Moon M, Yamashita MH, Atoui R, Bittira B, Payne D, Lachapelle K, Chu M, Chung J. EVOLVING SURGICAL TECHNIQUES AND IMPROVING OUTCOMES FOR AORTIC ARCH SURGERY IN CANADA. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.212] [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] Open
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8
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Kelkar D, Borse M, Godbole G, Kurlekar U, Dinneen E, Stevens L, Slack M. 11 Results from the first-in-human clinical trial of a new robot-assisted surgical system for total laparoscopic hysterectomy. Am J Obstet Gynecol 2021. [DOI: 10.1016/j.ajog.2021.04.035] [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: 11/15/2022]
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9
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Khalil K, Forcillo J, Boukhris M, Badreddine M, Ben Ali W, Stevens L, Potvin J, Gobeil F, Noiseux N, Masson J. VALIDATION OF A HEART TEAM PERFORMANCE WHO ASSESSED HIGH RISK PATIENTS WITH SEVERE SYMPTOMATIC AORTIC STENOSIS. Can J Cardiol 2020. [DOI: 10.1016/j.cjca.2020.07.174] [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] Open
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10
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Dewar GA, Urry RJ, Clifford S, Katsapas M, Stevens L, Kloppers A. Bioring ® gastric banding for obesity in a private South African hospital. S AFR J SURG 2020; 58:115-121. [PMID: 33231004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND Obesity is a significant health problem in South Africa. Surgery is the most effective means of durable weight loss for the morbidly obese. Of the surgical options, laparoscopic adjustable gastric banding is the most controversial. We aimed to assess a single surgeon's experience with a specific band. METHODS A retrospective observational study of a continuous cohort of laparoscopic adjustable gastric Cousin Bioring® band placements from a single private South African hospital was conducted. Three hundred and fifty bands were placed in 347 patients, 75% were female. Variables analysed were BMI obesity class, comorbidities, weight loss, diabetes resolution, adherence to aftercare, patient satisfaction, complications and death. RESULTS Outcomes were assessed in 343 patients (4 patients lost to follow-up). The mean follow-up was 39 months (IQR 29-66 months). The mean preoperative BMI was 43.3 kg/m2 (IQR 37.4-47.6 kg/m2). Most weight loss occurred in the first year, and 66% achieved > 40% excess weight loss. Resolution of type 2 diabetes and prediabetes occurred in 56.4% and 89.8% of patients respectively. Increasing age (p = 0.002), class 3 obesity (p < 0.001) and suboptimal aftercare (p < 0.001) were associated with failure. One patient developed band erosion and 40 developed band slippage, 34 of whom underwent secondary surgery (32 removals, 2 revisions). All complications were grade I-III. There was no high grade complication, and no death. CONCLUSIONS Bioring® gastric banding achieved moderately good weight loss and resolution of type 2 diabetes with a low complication rate. BMI > 60 and suboptimal aftercare predicted poor outcome.
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Affiliation(s)
| | - R J Urry
- George Mukhari Hospital, South Africa
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11
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St-Louis R, Stevens L, Brochiero E, Poirier C, Berthiaume Y, Noiseux N, Nasir B, Ferraro P. Preoperative Trajectories in Cystic Fibrosis and Their Association with Short and Long Term Survival after Lung Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.455] [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: 10/24/2022] Open
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12
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Landry C, Adam D, Privé A, Menaouar A, Dagenais A, Merjaneh M, Germain J, Noiseux N, Cailhier J, Nasir B, Stevens L, Berthiaume Y, Ferraro P, Brochiero E. Alveolar Epithelial Damage and Dysfunction as Common Features of Ischemia/Reperfusion Injury and Primary Graft Dysfunction in Lung Transplants. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.958] [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] Open
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13
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Kelkar D, Borse M, Godbole G, Kurlekar U, Dinneen E, Stevens L, Slack M. 43: First-in-human clinical trial of a new robot-assisted surgical system for total laparoscopic hysterectomy. Am J Obstet Gynecol 2020. [DOI: 10.1016/j.ajog.2019.12.083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Dewar GA, Urry RJ, Clifford S, Katsapas M, Stevens L, Kloppers A. Bioring® gastric banding for obesity in a private South African hospital. S AFR J SURG 2020. [DOI: 10.17159/2078-5151/2020/v58n3a3066] [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: 11/05/2022]
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15
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Hébert M, Cartier R, El-Hamamsy I, Dagenais F, Langlois Y, de Varennes B, Greentree D, Stevens L. AN ADAPTED CLAVIEN-DINDO CLASSIFICATION AND COMPREHENSIVE COMPLICATIONS INDEX RELIABLY REPRESENT EARLY POSTOPERATIVE OUTCOMES IN CARDIAC SURGERY. Can J Cardiol 2019. [DOI: 10.1016/j.cjca.2019.07.318] [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: 11/15/2022] Open
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16
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D'aronco L, Forcillo J, Ben Ali W, Stevens L, Ibrahim R, Masson J, Kouz R, Noiseux N, Asgar A, Potvin J, Dorval J, Gobeil F, Cartier R, Bonan R, Rosu C. VALIDATION OF A HEART TEAM PERFORMANCE FOR PATIENTS WITH SEVERE AORTIC STENOSIS. Can J Cardiol 2019. [DOI: 10.1016/j.cjca.2019.07.513] [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: 11/17/2022] Open
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17
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Mazine A, Arias-Vézina G, Bouhout I, Maftoon S, Stevens L, Demers P, Pellerin M, Bouchard D. MINIMALLY INVASIVE MITRAL VALVE SURGERY IS ASSOCIATED WITH A LOWER INCIDENCE OF ACUTE KIDNEY INJURY. Can J Cardiol 2019. [DOI: 10.1016/j.cjca.2019.07.471] [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: 10/25/2022] Open
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18
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Lim S, Burton C, Barrans S, Kirkwood A, Patrick P, Stevens L, Clifton-Hadley L, Johnson P, Thirdborough S. TRANSCRIPTIONAL NETWORKS ASSOCIATED WITH TREATMENT FAILURE IN ADVANCED-STAGE HODGKIN LYMPHOMA: DATA FROM THE RATHL TRIAL (CRUK/07/033). Hematol Oncol 2019. [DOI: 10.1002/hon.103_2630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- S.H. Lim
- Centre for Cancer Immunology & CRUK Centre; University of Southampton; Southampton United Kingdom
| | - C. Burton
- HMDS; Leeds Cancer Centre; Leeds United Kingdom
| | - S. Barrans
- HMDS; Leeds Cancer Centre; Leeds United Kingdom
| | - A. Kirkwood
- CR UK & UCL Cancer Trials Centre; UCL Cancer Institute, University College London; London United Kingdom
| | - P. Patrick
- CR UK & UCL Cancer Trials Centre; UCL Cancer Institute, University College London; London United Kingdom
| | - L. Stevens
- CR UK & UCL Cancer Trials Centre; UCL Cancer Institute, University College London; London United Kingdom
| | - L. Clifton-Hadley
- CR UK & UCL Cancer Trials Centre; UCL Cancer Institute, University College London; London United Kingdom
| | - P.W. Johnson
- Centre for Cancer Immunology & CRUK Centre; University of Southampton; Southampton United Kingdom
| | - S.M. Thirdborough
- Centre for Cancer Immunology & CRUK Centre; University of Southampton; Southampton United Kingdom
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Adjibodu B, Mukumbola kasongo A, Potvin J, Gobeil F, Forcillo J, Stevens L, Noiseux N, Masson J. EFFECTIVENESS AND LIMITATIONS OF AN EARLY DISCHARGE CARE PATHWAY FOR TRANS-CATHETER AORTIC VALVE RECIPIENTS IN A MODERATE VOLUME CENTRE. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.218] [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: 11/26/2022] Open
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20
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Stevens L, Dagenais F, Perrault L, Jeanmart H, David G, de Varennes B, Noiseux N, Langlois Y. DEVELOPMENT OF A PROVINCIAL RISK PREDICTION MODEL FOR ISOLATED CORONARY ARTERY BYPASS GRAFTING. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.389] [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: 11/29/2022] Open
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21
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Der Sarkissian S, Sauvé J, Larose É, Busque L, Aceros H, Prieto I, Basile F, Stevens L, Mansour S, Roy D, Noiseux N. DIFFERENTIAL EXPRESSION ANALYSIS OF CD133+ STEM CELLS IN ACUTE AND CHRONIC MI PATIENTS WITH LV DYSFUNCTION REVEALS PATHWAYS ASSOCIATED WITH THERAPEUTIC EFFECTIVENESS OF STEM CELL THERAPY FOR ISCHEMIC CARDIOMYOPATHIES. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.195] [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: 10/28/2022] Open
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Der Sarkissian S, Sauvé J, Larose E, Stevens L, Yau T, Prieto I, Basile F, Mansour S, Roy D, Noiseux N. Identification of differential expression phenotypes of CD133 + stem cells in acute and chronic myocardial infarct patients and specific expression pathways underpinning therapeutic responsiveness in regenerative therapy. Cytotherapy 2018. [DOI: 10.1016/j.jcyt.2018.02.022] [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: 10/17/2022]
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Der Sarkissian S, Aceros H, Borie M, Stevens L, Mansour S, Noiseux N. IDENTIFICATION OF A NOVEL HIGHLY EFFICIENT PHARMACOLOGICAL CANDIDATE FOR USE AS AN INFARCT-SPARING DRUG. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.240] [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: 11/29/2022] Open
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Mazine A, Bouhout I, Saydy N, Stevens L, Gagné-Loranger M, Lamarche Y, Bouchard D. RELATIVE ADRENAL INSUFFICIENCY IS ASSOCIATED WITH PROLONGED POSTOPERATIVE HEMODYNAMIC INSTABILITY IN PATIENTS UNDERGOING CARDIAC SURGERY. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.091] [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: 10/18/2022] Open
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Mazine A, Ghoneim A, Stevens L, El Hamamsy I, Harrington A, Losenno K, Hassan A, Peterson M, Chu M. THE LEARNING CURVE OF THORACIC AORTIC SURGERY WITH HYPOTHERMIC CIRCULATORY ARREST: A CUMULATIVE SUM ANALYSIS OF 348 OPERATIONS FROM THREE EARLY-CAREER SURGEONS. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.214] [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: 10/18/2022] Open
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26
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Der Sarkissian S, Sauvé J, Larose E, Aceros H, Mansour S, Stevens L, Prieto I, Basile F, Roy D, Noiseux N. RNA-SEQ DATA ANALYSIS IDENTIFIES STEM CELL TRANSCRIPTOMIC SIGNATURES UNDERPINNING THE THERAPEUTIC EFFECTIVENESS OF PATIENT CELLS IN THE IMPACT-CABG TRIAL. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.056] [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: 10/18/2022] Open
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27
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Trotman J, Fosså A, Federico M, Stevens L, Kirkwood A, Clifton-Hadley L, Patrick P, Berkahn L, D'Amore F, Enblad G, Luminari S, Radford J, Barrington S, Johnson P. RESPONSE-ADJUSTED THERAPY FOR ADVANCED HODGKIN LYMPHOMA (RATHL) TRIAL: LONGER FOLLOW UP CONFIRMS EFFICACY OF DE-ESCALATION AFTER a NEGATIVE INTERIM PET SCAN (CRUK/07/033). Hematol Oncol 2017. [DOI: 10.1002/hon.2437_53] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- J. Trotman
- Haematology, Concord Repatriation General Hospital; University of Sydney; Concord Australia
| | - A. Fosså
- Medical Oncology; Oslo University Hospital; Oslo Norway
| | - M. Federico
- Diagnostic Clinical and Public Health Medicine; University of Modena and Reggio Emilia; Modena Missouri Italy
| | - L. Stevens
- Cancer Trials Centre; Cancer Research UK and University College London; London UK
| | - A. Kirkwood
- Cancer Trials Centre; Cancer Research UK and University College London; London UK
| | - L. Clifton-Hadley
- Cancer Trials Centre; Cancer Research UK and University College London; London UK
| | - P. Patrick
- Cancer Trials Centre; Cancer Research UK and University College London; London UK
| | - L. Berkahn
- Haematology; Auckland City Hospital; Auckland New Zealand
| | - F. D'Amore
- Haematology; Aarhus University Hospital; Aarhus C Denmark
| | - G. Enblad
- Immunology, Genetics and Pathology; Uppsala University; Uppsala Sweden
| | - S. Luminari
- Arcispedale Santa Maria Nuova; Istituti di Ricovero e Cura a Carattere Scientifico; Reggio Emilia Italy
| | - J. Radford
- Medical Oncology; Christie Hospital; Manchester UK
| | - S.F. Barrington
- The PET Imaging Centre, King's College London; King's Health Partners, St. Thomas' Hospital; London UK
| | - P. Johnson
- Cancer Research UK Centre; University of Southampton; Southampton UK
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Pike L, Kirkwood A, Patrick P, Radford J, Burton C, Stevens L, Clifton-Hadley L, Johnson P, Barrington S. CAN BASELINE PET-CT FEATURES PREDICT OUTCOMES IN ADVANCED HODGKIN LYMPHOMA? A PROSPECTIVE EVALUATION OF UK PATIENTS IN THE RATHL TRIAL (CRUK/07/033). Hematol Oncol 2017. [DOI: 10.1002/hon.2437_18] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- L.C. Pike
- KCL and Guys'& St Thomas' PET Centre; Division of Imaging and Biomedical Engineering, Kings College London; London UK
| | - A.A. Kirkwood
- Cancer Research UK and UCL Cancer Trials Centre; University College London; London UK
| | - P. Patrick
- Cancer Research UK and UCL Cancer Trials Centre; University College London; London UK
| | - J. Radford
- Division of Molecular & Clinical Cancer Sciences; University of Manchester and The Christie NHS Foundation Trust; Manchester UK
| | - C. Burton
- Haematological Malignancy Diagnostic Service; University of Leeds; Leeds
| | - L. Stevens
- Cancer Research UK and UCL Cancer Trials Centre; University College London; London UK
| | - L. Clifton-Hadley
- Cancer Research UK and UCL Cancer Trials Centre; University College London; London UK
| | - P.W. Johnson
- University of Southampton; Cancer Research UK Centre; Southampton UK
| | - S.F. Barrington
- KCL and Guys'& St Thomas' PET Centre; Division of Imaging and Biomedical Engineering, Kings College London; London UK
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Preston A, Kirkwood A, Federico M, Trotman J, Fossa A, Stevens L, Clifton-Hadley L, Patrick P, Berkahn L, d'Amore F, Enblad G, Luminari S, Radford J, Johnson P. OUTCOMES OF TREATMENT FOR OBESE PATIENTS WITH ADVANCED HODGKIN LYMPHOMA IN THE RATHL TRIAL (CRUK/07/033). Hematol Oncol 2017. [DOI: 10.1002/hon.2438_31] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- A. Preston
- Pharmacy; University Hospitals Bristol; Bristol UK
| | - A. Kirkwood
- Cancer Research UK & UCL Cancer Trials Centre; University College London; London UK
| | - M. Federico
- Diagnostic Clinical and Public Health Medicine; University of Modena and Reggio Emilia; Modena Italy
| | - J. Trotman
- Haematology, Concord Repatriation General Hospital; University of Sydney; Concord Australia
| | - A. Fossa
- Medical Oncology; Oslo University Hospital; Oslo Norway
| | - L. Stevens
- Cancer Research UK & UCL Cancer Trials Centre; University College London; London UK
| | - L. Clifton-Hadley
- Cancer Research UK & UCL Cancer Trials Centre; University College London; London UK
| | - P. Patrick
- Cancer Research UK & UCL Cancer Trials Centre; University College London; London UK
| | - L. Berkahn
- Haematology; Auckland City Hospital; Auckland New Zealand
| | - F. d'Amore
- Haematology; Aarhus University Hospital; Aarhus C Denmark
| | - G. Enblad
- Immunology, Genetics and Pathology; Uppsala University; Uppsala Sweden
| | - S. Luminari
- Arcispedale Santa Maria Nuova; Istituti di Ricovero e Cura a Carattere Scientifico; Reggio Emilia Italy
| | - J. Radford
- Medical Oncology; Christie Hospital; Manchester UK
| | - P.W. Johnson
- Cancer Research UK Centre; University of Southampton; Southampton UK
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Aceros H, Der Sarkissian S, Borie M, Stevens L, Mansour S, Noiseux N. A DRUG DISCOVERY PLATAFORM FOR THE IDENTIFICATION OF NOVEL INFARCT SPARING AGENTS FOR TREATMENT OF ISCHEMIC HEART DISEASE. Can J Cardiol 2016. [DOI: 10.1016/j.cjca.2016.07.449] [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: 10/20/2022] Open
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31
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Singh T, Kostelecky B, Stevens L. International cancer control leadership forum program. Ann Glob Health 2016. [DOI: 10.1016/j.aogh.2016.04.425] [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: 10/21/2022] Open
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Finkelmeyer A, Nilsson J, He J, Stevens L, Maller JJ, Moss RA, Small S, Gallagher P, Coventry K, Ferrier IN, McAllister-Williams RH. Altered hippocampal function in major depression despite intact structure and resting perfusion. Psychol Med 2016; 46:2157-2168. [PMID: 27192934 DOI: 10.1017/s0033291716000702] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [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] [Indexed: 12/24/2022]
Abstract
BACKGROUND Hippocampal volume reductions in major depression have been frequently reported. However, evidence for functional abnormalities in the same region in depression has been less clear. We investigated hippocampal function in depression using functional magnetic resonance imaging (fMRI) and neuropsychological tasks tapping spatial memory function, with complementing measures of hippocampal volume and resting blood flow to aid interpretation. METHOD A total of 20 patients with major depressive disorder (MDD) and a matched group of 20 healthy individuals participated. Participants underwent multimodal magnetic resonance imaging (MRI): fMRI during a spatial memory task, and structural MRI and resting blood flow measurements of the hippocampal region using arterial spin labelling. An offline battery of neuropsychological tests, including several measures of spatial memory, was also completed. RESULTS The fMRI analysis showed significant group differences in bilateral anterior regions of the hippocampus. While control participants showed task-dependent differences in blood oxygen level-dependent (BOLD) signal, depressed patients did not. No group differences were detected with regard to hippocampal volume or resting blood flow. Patients showed reduced performance in several offline neuropsychological measures. All group differences were independent of differences in hippocampal volume and hippocampal blood flow. CONCLUSIONS Functional abnormalities of the hippocampus can be observed in patients with MDD even when the volume and resting perfusion in the same region appear normal. This suggests that changes in hippocampal function can be observed independently of structural abnormalities of the hippocampus in depression.
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Affiliation(s)
- A Finkelmeyer
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
| | - J Nilsson
- Aging Research Center, Karolinska Institute,Stockholm,Sweden
| | - J He
- Aberdeen Biomedical Imaging Centre, University of Aberdeen,Aberdeen,UK
| | - L Stevens
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
| | - J J Maller
- Monash Alfred Psychiatry Research Centre, Monash University,Melbourne,VIC,Australia
| | - R A Moss
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
| | - S Small
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
| | - P Gallagher
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
| | - K Coventry
- School of Psychology, University of East Anglia,Norwich,UK
| | - I N Ferrier
- Institute of Neuroscience, Newcastle University,Newcastle-upon-Tyne,UK
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Green MS, Aman MM, Stevens L, Voralu K, Saththasivam P, Mychaskiw G, Katsetos CD. Histopathological observations in the brains of children exposed to inhalational anesthetic agents: a retrospective autopsy-based study. Minerva Anestesiol 2015; 81:1329-1337. [PMID: 26337370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Numerous animal models have demonstrated neuronal damage resulting from anesthetic exposure in the developing brain. Studies have shown a relationship between anesthetic exposure and brain hypoxia, neurodegeneration and apoptosis. The relevance of data derived from controlled experimental studies to human neuropathology is a subject of debate. This study compares histopathological findings in post-mortem brain tissue specimens from children with and without exposure to inhalational anesthetic agents. METHODS Autopsy reports were reviewed. Patients were divided into exposure and non-exposure groups defined as any procedure involving inhalational anesthetic agents. A retrospective chart review was performed collecting pathological findings of the brain. The autopsy results examined the presence of twelve different histopathological parameters reflecting morphologic changes in thirteen regions of interest in the central nervous system. RESULTS Post-mortem neuropathological findings were analyzed. Thirteen different areas were focused upon and changes were categorized into twelve histopathological parameters. Gliosis, which was confirmed by immunohistochemical staining for glial fibrillary acidic protein, was more prevalent in the exposure group (N.=48) compared to the non-exposure group (N.=20) (P<0.05). CONCLUSION The role of anesthetic neurotoxicity is not well understood. Numerous animal models have demonstrated neuronal apoptotic changes linked to anesthetic exposure, there is no tangible evidence supporting this relationship in humans. Our analysis demonstrates histopathological brain changes in children with anesthetic exposure not seen in the non-exposed group. Analysis was based on histopathological parameters representative of salient morphological findings of injury, which were encountered in anatomically divergent regions. Gliosis was the only statistically significant finding in post-mortem brain samples of patients who had received anesthetics.
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Affiliation(s)
- M S Green
- Department of Anesthesiology, Drexel University College of Medicine, Hahnemann University Hospital, Philadelphia, PA, USA -
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Aceros H, Der Sarkissian S, Borie M, Vu M, Stevens L, Mansour S, Noiseux N. CELASTROL PROTECTS AGAINST ISCHEMIA/REPERFUSION-INDUCED CARDIAC CELL DEATH. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.023] [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: 11/26/2022] Open
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35
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Nguyen A, Forcillo J, Stevens L, Bouchard D, Demers P, Carrier M. PERIOPERATIVE OUTCOMES WITH THE INTUITY VERSUS PERCEVAL VALVE SYSTEM: A PROPENSITY-MATCHED ANALYSIS OF 2 STRATEGIES IN INTERMEDIATE-RISK PATIENTS. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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36
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Noiseux N, Mansour S, Weisel R, Stevens L, Tsang K, Larose E, Li S, Spiller N, Vu M, Crean A, Roy D, Prieto I, Li R, Yau T. THE IMPACT-CABG TRIAL: A CANADIAN RCT OF CD133+ STEM CELL THERAPY FOR ISCHEMIC CARDIOMYOPATHY. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.171] [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] Open
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37
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Noiseux N, Stevens L, Chartrand-Lefebvre C, Soulez G, Prieto I, Basile F, Mansour S, Kieser T, Lamy A. EVALUATION OF GRAFT PATENCY IN OFF-PUMP VERSUS ON-PUMP CABG: THE PATENCY-CORONARY TRIAL. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.243] [Citation(s) in RCA: 2] [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: 11/30/2022] Open
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Stevens L, Goudriaan AE, Verdejo-Garcia A, Dom G, Roeyers H, Vanderplasschen W. Impulsive choice predicts short-term relapse in substance-dependent individuals attending an in-patient detoxification programme. Psychol Med 2015; 45:2083-2093. [PMID: 25640022 DOI: 10.1017/s003329171500001x] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [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] [Indexed: 11/07/2022]
Abstract
BACKGROUND Impulsivity is a hallmark characteristic of substance use disorders. Recently, studies have begun to explore whether increased impulsivity in substance-dependent individuals (SDIs) is associated with a greater propensity to relapse following treatment. Despite growing recognition of its multidimensional nature, however, most studies have treated impulsivity unilaterally. Accordingly, it remains unclear whether certain facets of impulsivity are more relevant to relapse than others. The aim of the current study was to examine the relationship between multiple facets of impulsivity and short-term relapse in SDIs. As a secondary aim, we explored the role of treatment retention in this relationship. METHOD A personality-based impulsivity questionnaire (UPPS) and three neurocognitive tasks of impulsivity [stop-signal task (SST), delay discounting task (DDT) and Iowa gambling task (IGT)] were administered in a heterogeneous sample of 70 SDIs shortly following their entry in an in-patient detoxification programme. Mediation analyses were performed to explore whether the effects of impulsivity on relapse were mediated by treatment retention. RESULTS Performance on two neurocognitive indices of impulsive choice (i.e. delay discounting and impulsive decision-making) significantly predicted short-term relapse. The effects of delay discounting and impulsive decision-making on relapse propensity were mediated by treatment retention. CONCLUSIONS Neurocognitive indices of impulsivity may be more sensitive to the prediction of relapse than trait-based self-report questionnaires. Post-treatment relapse in SDIs may be reduced by targeting the processes involved in impulsive choice and by improving treatment retention in SDIs with inflated impulsivity.
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Affiliation(s)
- L Stevens
- Department of Special Education,University of Ghent,Ghent,Belgium
| | - A E Goudriaan
- Amsterdam Institute for Addiction Research,Department of Psychiatry,Academic Medical Centre, University of Amsterdam,Amsterdam,the Netherlands
| | - A Verdejo-Garcia
- School of Psychological Sciences, Monash University,Melbourne,Victoria,Australia
| | - G Dom
- Collaborative Antwerp Psychiatric Research Institute, University of Antwerp,Antwerp,Belgium
| | - H Roeyers
- Department of Experimental Clinical and Health Psychology,University of Ghent,Ghent,Belgium
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Godding V, Stevens L, Galanti L, De Boeck K, De Baets F, Malfroot A, Hanssens L, Knoop C, Sacré JP, Pierart F, Van Schil L, Desager K, Lebecque P. 303 Smoking cessation help should be available at CF reference centres – a Belgian national survey of smoking in patients with cystic fibrosis. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30477-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Stevens L, Pathak S, Nunes Q, Pandanaboyana S, Smart N, Smith A. 334. Does the pre-operative C-reactive protein or neutrophil-lymphocyte ratio predict survival after resection for pancreatic cancer? Eur J Surg Oncol 2014. [DOI: 10.1016/j.ejso.2014.08.324] [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: 10/24/2022] Open
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DerSarkissian S, Cailhier J, Borie M, Stevens L, Gaboury L, Mansour S, Noiseux N. CELASTROL PREVENTS ADVERSE CARDIAC REMODELING OF THE ISCHEMIC MYOCARDIUM. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Forcillo J, Mazine A, Stevens L, Pellerin M, Perrault L, Cartier R, Demers P, Bouchard D, Carrier M. PERIOPERATIVE OUTCOMES WITH THE PERCEVAL AND CARPENTIER-EDWARDS PERIMOUNT AORTIC VALVES IN OCTOGENARIANS. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.396] [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: 11/25/2022] Open
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Vu M, DerSarkissian S, Stevens L, Mansour S, Borie M, Roy D, Noiseux N. PRECONDITIONING HUMAN STEM CELLS WITH OXYTOCIN TO OPTIMIZE CELL THERAPY FOR THE TREATMENT OF CARDIOVASCULAR DISEASE. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.020] [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: 10/24/2022] Open
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45
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Stevens L, Noiseux N, Devereaux P, Yusuf S, Eikelboom J, Cheung A, Whitlock R, Ou Y, Pogue J, Lamy A. BLOOD TRANSFUSIONS ARE ASSOCIATED WITH WORSE OUTCOMES AFTER CORONARY ARTERY BYPASS GRAFTING. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.243] [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] Open
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46
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Saydy N, Mazine A, Stevens L, Jeanmart H, Demers P, Pagé P, Lamarche Y, El-Hamamsy I. PREDICTORS OF POSTOPERATIVE ACUTE KIDNEY INJURY IN YOUNG ADULTS UNDERGOING CARDIAC SURGERY. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.408] [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: 10/24/2022] Open
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El Khoury R, Stevens L, Gobeil F, Matteau A, Mansour S. ACUTE AND MID TERM CLINICAL OUTCOMES IN OCTOGENERIANS REFERRED FOR PCI. REAL WOLD CANADIAN EXPERIENCE. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.099] [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] Open
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Karsten B, Jobson SA, Hopker J, Stevens L, Beedie C. Validity and reliability of critical power field testing. Eur J Appl Physiol 2014; 115:197-204. [PMID: 25260244 DOI: 10.1007/s00421-014-3001-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 09/15/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE To test the validity and reliability of field critical power (CP). METHOD Laboratory CP tests comprised three exhaustive trials at intensities of 80, 100 and 105 % maximal aerobic power and CP results were compared with those determined from the field. Experiment 1: cyclists performed three CP field tests which comprised maximal efforts of 12, 7 and 3 min with a 30 min recovery between efforts. Experiment 2: cyclists performed 3 × 3, 3 × 7 and 3 × 12 min individual maximal efforts in a randomised order in the field. Experiment 3: the highest 3, 7 and 12 min power outputs were extracted from field training and racing data. RESULTS Standard error of the estimate of CP was 4.5, 5.8 and 5.2 % for experiments 1-3, respectively. Limits of agreement for CP were -26 to 29, 26 to 53 and -34 to 44 W for experiments 1-3, respectively. Mean coefficient of variation in field CP was 2.4, 6.5 and 3.5 % for experiments 1-3, respectively. Intraclass correlation coefficients of the three repeated trials for CP were 0.99, 0.96 and 0.99 for experiments 1-3, respectively. CONCLUSIONS Results suggest field-testing using the different protocols from this research study, produce both valid and reliable CP values.
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Affiliation(s)
- B Karsten
- Department of Life and Sport Science, University of Greenwich, Kent, ME4 4TB, UK,
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Stevens L, Kelly ME, Hennessy M, Last J, Dunne F, O'Flynn S. Medical students' views on selection tools for medical school--a mixed methods study. Ir Med J 2014; 107:229-231. [PMID: 25282958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
It is important to ensure that the tools used in Medical School selection are acceptable to students and applicants. A questionnaire was administered to year 1 medical students in 2010 to determine the suitability of a variety of selection tools and the acceptability of HPAT-Ireland in particular. There were 291 respondents a 77% response rate representing approximately one third of all school leaver entrants that year. While the majority 285 (98%) were in favour of using school leaving examinations there was also support for the use of interviews 215 (74%) and other tools. Three quarters of Irish respondents 159 (76%) agreed that HPAT-Ireland is a fair test overall however section 3 (non-verbal reasoning) appeared less acceptable and relevant than other sections. A little over half had taken a preparatory HPAT-Ireland course 112 (54%). Medical school applicants appear to accept the use of non-traditional tools in the selection process.
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Pichette M, Dutilleul A, Stevens L, Noiseux N, Gobeil F, Mansour S. Safety and Effectiveness of Dabigatran in Atrial Fibrillation in a Real-World Population. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.128] [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: 10/26/2022] Open
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