15 results on '"Alasdair McIntosh"'
Search Results
2. Pulmonary Hypertension: Intensification and Personalization of Combination Rx (PHoenix): A phase IV randomized trial for the evaluation of dose‐response and clinical efficacy of riociguat and selexipag using implanted technologies
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Frances Varian, Jennifer Dick, Christian Battersby, Stefan Roman, Jenna Ablott, Lisa Watson, Sarah Binmahfooz, Hamza Zafar, Gerry Colgan, John Cannon, Jay Suntharalingam, Jim Lordan, Luke Howard, Colm McCabe, John Wort, Laura Price, Colin Church, Neil Hamilton, Iain Armstrong, Abdul Hameed, Judith Hurdman, Charlie Elliot, Robin Condliffe, Martin Wilkins, Alastair Webb, David Adlam, Ray L. Benza, Kazem Rahimi, Mohadeseh Shojaei‐Shahrokhabadi, Nan X. Lin, James M. S. Wason, Alasdair McIntosh, Alex McConnachie, Jennifer T. Middleton, Roger Thompson, David G. Kiely, Mark Toshner, and Alexander Rothman
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oral prostacyclin‐receptor agonist ,remote monitoring ,soluble guanylate‐cyclase stimulator ,targeted therapy ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 ,Diseases of the respiratory system ,RC705-779 - Abstract
Abstract Approved therapies for the treatment of patients with pulmonary arterial hypertension (PAH) mediate pulmonary vascular vasodilatation by targeting distinct biological pathways. International guidelines recommend that patients with an inadequate response to dual therapy with a phosphodiesterase type‐5 inhibitor (PDE5i) and endothelin receptor antagonist (ERA), are recommended to either intensify oral therapy by adding a selective prostacyclin receptor (IP) agonist (selexipag), or switching from PDE5i to a soluble guanylate‐cyclase stimulator (sGCS; riociguat). The clinical equipoise between these therapeutic choices provides the opportunity for evaluation of individualized therapeutic effects. Traditionally, invasive/hospital‐based investigations are required to comprehensively assess disease severity and demonstrate treatment benefits. Regulatory‐approved, minimally invasive monitors enable equivalent measurements to be obtained while patients are at home. In this 2 × 2 randomized crossover trial, patients with PAH established on guideline‐recommended dual therapy and implanted with CardioMEMS™ (a wireless pulmonary artery sensor) and ConfirmRx™ (an insertable cardiac rhythm monitor), will receive ERA + sGCS, or PDEi + ERA + IP agonist. The study will evaluate clinical efficacy via established clinical investigations and remote monitoring technologies, with remote data relayed through regulatory‐approved online clinical portals. The primary aim will be the change in right ventricular systolic volume measured by magnetic resonance imaging (MRI) from baseline to maximal tolerated dose with each therapy. Using data from MRI and other outcomes, including hemodynamics, physical activity, physiological measurements, quality of life, and side effect reporting, we will determine whether remote technology facilitates early evaluation of clinical efficacy, and investigate intra‐patient efficacy of the two treatment approaches.
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- 2024
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3. Adjudicated myocarditis and multisystem illness trajectory in healthcare workers post-COVID-19
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Kevin G Blyth, Naveed Sattar, Colin Berry, David Corcoran, Kenneth Mangion, Alex McConnachie, David Carrick, Stuart Watkins, Paul Welsh, Sabrina Nordin, Ross McGeoch, Rhian Touyz, David J Lowe, Andrew J Morrow, Antonia Ho, Ryan Wereski, Alasdair McIntosh, Giles H Roditi, Peter MacFarlane, David B Stobo, Robert Sykes, Colin Church, Nicola Ryan, N N Lang, C Delles, Iain Findlay, Michael Briscoe, Gruschen Veldtman, Heeraj Bulluck, Patrick Mark, Vera Lennie, Alexander Payne, Keith E Robertson, Anna Kamdar, C Bagot, Hannah Bayes, Vivienne B Gibson, Lynsey Gillespie, Douglas Grieve, Pauline Hall Barrientos, Kaithlin J Mayne, Christopher McGinley, Connor Mckee, Alastair Rankin, Sarah Allwood-Spiers, and Sarah Weeden
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Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Background We investigated the associations of healthcare worker status with multisystem illness trajectory in hospitalised post-COVID-19 individuals.Methods and results One hundred and sixty-eight patients were evaluated 28–60 days after the last episode of hospital care. Thirty-six (21%) were healthcare workers. Compared with non-healthcare workers, healthcare workers were of similar age (51.3 (8.7) years vs 55.0 (12.4) years; p=0.09) more often women (26 (72%) vs 48 (38%); p
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- 2023
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4. Changes over a decade in psychotropic prescribing for people with intellectual disabilities: prospective cohort study
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Paula McSkimming, Sally-Ann Cooper, Colin McCowan, Linda Allan, and Alasdair McIntosh
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Medicine - Abstract
Objectives To investigate psychotropic prescribing in the intellectual disabilities population over 10 years, and associated mental ill health diagnoses.Design Comparison of cross-sectional data in 2002–2004 (T1) and 2014 (T2). Longitudinal cohort study with detailed health assessments at T1 and record linkage to T2 prescribing data.Setting General community.Participants 1190 adults with intellectual disabilities in T1 compared with 3906 adults with intellectual disabilities in T2. 545/1190 adults with intellectual disabilities in T1 were alive and their records linked to T2 prescribing data.Main outcome measures Encashed regular and as-required psychotropic prescriptions.Results 50.7% (603/1190) of adults in T1 and 48.2% (1881/3906) in T2 were prescribed at least one psychotropic; antipsychotics: 24.5% (292/1190) in T1 and 16.7% (653/3906) in T2; antidepressants: 11.2% (133/1190) in T1 and 19.1% (746/3906) in T2. 21.2% (62/292) prescribed antipsychotics in T1 had psychosis or bipolar disorder, 33.2% (97/292) had no mental ill health or problem behaviours, 20.6% (60/292) had problem behaviours but no psychosis or bipolar disorder. Psychotropics increased from 47.0% (256/545) in T1 to 57.8% (315/545) in T2 (p
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- 2020
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5. 'Pseudo-failure' of adrenal vein sampling due to cortisol co-secretion by KCNJ5-mutant adenoma, and prediction of complete clinical success by urine hybrid steroid assay
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Kate Laycock, Xilin Wu, Emily Goodchild, Matthew Matson, Alessandro Prete, Angela Taylor, Wiebke Arlt, Alasdair McIntosh, Alexander McConnachie, Heok Cheow, William Drake, and Morris Brown
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General Medicine - Published
- 2023
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6. Vascular mechanisms of post-COVID-19 conditions: Rho-kinase is a novel target for therapy
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Robert A Sykes, Karla B Neves, Rhéure Alves-Lopes, Ilaria Caputo, Kirsty Fallon, Nigel B Jamieson, Anna Kamdar, Assya Legrini, Holly Leslie, Alasdair McIntosh, Alex McConnachie, Andrew Morrow, Richard W McFarlane, Kenneth Mangion, John McAbney, Augusto C Montezano, Rhian M Touyz, Colin Wood, and Colin Berry
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Pharmacology (medical) ,Cardiology and Cardiovascular Medicine - Abstract
Background In post-coronavirus disease-19 (post-COVID-19) conditions (long COVID), systemic vascular dysfunction is implicated, but the mechanisms are uncertain, and the treatment is imprecise. Methods and results Patients convalescing after hospitalization for COVID-19 and risk factor matched controls underwent multisystem phenotyping using blood biomarkers, cardiorenal and pulmonary imaging, and gluteal subcutaneous biopsy (NCT04403607). Small resistance arteries were isolated and examined using wire myography, histopathology, immunohistochemistry, and spatial transcriptomics. Endothelium-independent (sodium nitroprusside) and -dependent (acetylcholine) vasorelaxation and vasoconstriction to the thromboxane A2 receptor agonist, U46619, and endothelin-1 (ET-1) in the presence or absence of a RhoA/Rho-kinase inhibitor (fasudil), were investigated. Thirty-seven patients, including 27 (mean age 57 years, 48% women, 41% cardiovascular disease) 3 months post-COVID-19 and 10 controls (mean age 57 years, 20% women, 30% cardiovascular disease), were included. Compared with control responses, U46619-induced constriction was increased (P = 0.002) and endothelium-independent vasorelaxation was reduced in arteries from COVID-19 patients (P Conclusion Patients with post-COVID-19 conditions have enhanced vascular fibrosis and myosin light change phosphorylation. Rho-kinase activation represents a novel therapeutic target for clinical trials.
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- 2023
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7. [11C]metomidate PET-CT versus adrenal vein sampling for diagnosing surgically curable primary aldosteronism: a prospective, within-patient trial
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Xilin Wu, Russell Senanayake, Emily Goodchild, Waiel A. Bashari, Jackie Salsbury, Claudia P. Cabrera, Giulia Argentesi, Samuel M. O’Toole, Matthew Matson, Brendan Koo, Laila Parvanta, Nick Hilliard, Vasilis Kosmoliaptsis, Alison Marker, Daniel M. Berney, Wilson Tan, Roger Foo, Charles A. Mein, Eva Wozniak, Emmanuel Savage, Anju Sahdev, Nicholas Bird, Kate Laycock, Istvan Boros, Stefan Hader, Victoria Warnes, Daniel Gillett, Anne Dawnay, Elizabeth Adeyeye, Alessandro Prete, Angela E. Taylor, Wiebke Arlt, Anish N. Bhuva, Franklin Aigbirhio, Charlotte Manisty, Alasdair McIntosh, Alexander McConnachie, J. Kennedy Cruickshank, Heok Cheow, Mark Gurnell, William M. Drake, Morris J. Brown, Wu, Xilin [0000-0002-8487-9942], Cabrera, Claudia P [0000-0002-2205-5315], O'Toole, Samuel M [0000-0002-8943-8556], Kosmoliaptsis, Vasilis [0000-0001-7298-1387], Berney, Daniel M [0000-0001-5474-8696], Foo, Roger [0000-0002-8079-4618], Sahdev, Anju [0000-0001-8520-3031], Dawnay, Anne [0000-0001-6674-5986], Arlt, Wiebke [0000-0001-5106-9719], Bhuva, Anish N [0000-0001-7532-7815], McIntosh, Alasdair [0000-0003-2534-8647], McConnachie, Alexander [0000-0002-7262-7000], Brown, Morris J [0000-0001-8409-1082], and Apollo - University of Cambridge Repository
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692/699/75/243 ,Positron Emission Tomography Computed Tomography ,Adrenal Glands ,Hyperaldosteronism ,article ,Humans ,General Medicine ,Prospective Studies ,692/699/2743/1279 ,General Biochemistry, Genetics and Molecular Biology ,Retrospective Studies - Abstract
Funder: Barts and the London Charity project (no. MGU0360) Senior Investigator award no. NF-SI-0512-10052, Funder: NIHR Cambridge BRC (no. IS-BRC-1215-20014), Funder: NIHR Biomedical Research Centre at Barts and The London School of Medicine and Dentistry, Funder: National Medical Research Council and BRC of Singapore, Funder: NIHR Birmingham Biomedical Research Centre (grant reference number BRC-1215-20009) European Union’s Horizon 2020 Research Innovation Program under grant agreement no. 633983 (ENSAT-HT), Funder: Barts and The London Charity, Funder: Barts and the London Charity project (no. MGU0360), Funder: Barts and the London Charity project, Primary aldosteronism (PA) due to a unilateral aldosterone-producing adenoma is a common cause of hypertension. This can be cured, or greatly improved, by adrenal surgery. However, the invasive nature of the standard pre-surgical investigation contributes to fewer than 1% of patients with PA being offered the chance of a cure. The primary objective of our prospective study of 143 patients with PA ( NCT02945904 ) was to compare the accuracy of a non-invasive test, [11C]metomidate positron emission tomography computed tomography (MTO) scanning, with adrenal vein sampling (AVS) in predicting the biochemical remission of PA and the resolution of hypertension after surgery. A total of 128 patients reached 6- to 9-month follow-up, with 78 (61%) treated surgically and 50 (39%) managed medically. Of the 78 patients receiving surgery, 77 achieved one or more PA surgical outcome criterion for success. The accuracies of MTO at predicting biochemical and clinical success following adrenalectomy were, respectively, 72.7 and 65.4%. For AVS, the accuracies were 63.6 and 61.5%. MTO was not significantly superior, but the differences of 9.1% (95% confidence interval = -6.5 to 24.1%) and 3.8% (95% confidence interval = -11.9 to 9.4) lay within the pre-specified -17% margin for non-inferiority (P = 0.00055 and P = 0.0077, respectively). Of 24 serious adverse events, none was considered related to either investigation and 22 were fully resolved. MTO enables non-invasive diagnosis of unilateral PA.
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- 2023
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8. Adjudicated myocarditis and multisystem illness trajectory in healthcare workers post-COVID-19
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Robert Sykes, Andrew J Morrow, Alex McConnachie, Anna Kamdar, C Bagot, Hannah Bayes, Kevin G Blyth, Michael Briscoe, Heeraj Bulluck, David Carrick, Colin Church, David Corcoran, C Delles, Iain Findlay, Vivienne B Gibson, Lynsey Gillespie, Douglas Grieve, Pauline Hall Barrientos, Antonia Ho, N N Lang, David J Lowe, Vera Lennie, Peter MacFarlane, Kaithlin J Mayne, Patrick Mark, Alasdair McIntosh, Ross McGeoch, Christopher McGinley, Connor Mckee, Sabrina Nordin, Alexander Payne, Alastair Rankin, Keith E Robertson, Nicola Ryan, Giles H Roditi, Naveed Sattar, David B Stobo, Sarah Allwood-Spiers, Rhian Touyz, Gruschen Veldtman, Sarah Weeden, Stuart Watkins, Paul Welsh, Ryan Wereski, Kenneth Mangion, and Colin Berry
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Cardiology and Cardiovascular Medicine - Abstract
BackgroundWe investigated the associations of healthcare worker status with multisystem illness trajectory in hospitalised post-COVID-19 individuals.Methods and resultsOne hundred and sixty-eight patients were evaluated 28–60 days after the last episode of hospital care. Thirty-six (21%) were healthcare workers. Compared with non-healthcare workers, healthcare workers were of similar age (51.3 (8.7) years vs 55.0 (12.4) years; p=0.09) more often women (26 (72%) vs 48 (38%); pIn adjusted multivariate logistic regression analysis, healthcare worker status associated with a binary classification (probable/very likely vs not present/unlikely) of adjudicated myocarditis (OR: 2.99; 95% CI (1.01 to 8.89) by 28–60 days postdischarge).After a mean (SD, range) duration of follow-up after hospital discharge of 450 (88) days (range 290, 627 days), fewer healthcare workers died or were rehospitalised (1 (3%) vs 22 (17%); p=0.038) and secondary care referrals for post-COVID-19 syndrome were common (42%) and similar to non-healthcare workers (38%; p=0.934).ConclusionHealthcare worker status was independently associated with the likelihood of adjudicated myocarditis, despite better antecedent health. Two in five healthcare workers had a secondary care referral for post-COVID-19 syndrome.Trial registration numberNCT04403607.
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- 2023
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9. 11C-metomidate PET CT versus Adrenal Vein Sampling for diagnosing surgically curable primary aldosteronism: prospective test validation, and impact of somatic genotype and ethnicity on outcomes
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Xilin Wu, Russell Senanayake, Emily Goodchild, Waiel Bashari, Jackie Salsbury, Claudia Cabrera, Giulia Argentesi, Samuel O'Toole, Matthew Matson, Brendan Koo, Laila Parvanta, Nick Hilliard, Vasilis Kosmoliaptsis, Alison Marker, Daniel Berney, Wilson Tan Lek Wen, Roger Foo, Charles Mein, Eva Wozniak, Emmanuel Savage, Anju Sahdev, Nicholas Bird, Kate Laycock, Istvan Boros, Stefan Hader, Victoria Warnes, Dan Gillett, Anne Dawnay, Elizabeth Adeyeye, Alessandro Prete, Angela Taylor, Wiebke Arlt, Anish Bhuva, Franklin Aigbirhio, Charlotte Manisty, Alasdair McIntosh, Alex McConnachie, J. Kennedy Cruickshank, Heok Cheow, Mark Gurnell, William Drake, and Morris Brown
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Primary aldosteronism (PA) due to a unilateral aldosterone-producing adenoma (APA) is a common, curable cause of hypertension, but invasive methods of diagnosis and treatment contribute to -17%, the pre-specified margin of non-inferiority. The best univariate predictors of complete clinical cure were home systolic blood pressure (SBP)
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- 2021
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10. Post-COVID-19 illness trajectory: a multisystem investigation
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Naveed Sattar, David Carrick, Alexander R Payne, Peter W. Macfarlane, Catherine Bagot, Hannah Bayes, Paul Welsh, Ryan Wereski, Anna Kamdar, Christopher Mcginley, Sabrina Nordin, David J Lowe, Andrew Morrow, Michael Briscoe, Colin Church, Ross McGeoch, Alex McConnachie, Connor McKee, Sarah Weeden, Alasdair McIntosh, Douglas Grieve, Heerajnarain Bulluck, Gruschen Veldtman, Ninian N. Lang, Giles Roditi, David Stobo, Vera Lennie, Alastair J Rankin, Robert Sykes, Kenneth Mangion, Rhian M. Touyz, Pauline Hall Barrientos, Patrick B. Mark, Antonia Ho, Sarah Allwood-Spiers, Kevin G. Blyth, Lynsey Gillespie, Stuart Watkins, Colin Berry, David Corcoran, Nicola Ryan, Kaitlin Mayne, Iain N Findlay, and Vivienne Gibson
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medicine.medical_specialty ,Physical medicine and rehabilitation ,Coronavirus disease 2019 (COVID-19) ,Illness trajectory ,business.industry ,Medicine ,business - Abstract
Background: The pathophysiology and trajectory of multiorgan involvement in post-COVID-19 syndrome is uncertain. Methods: A prospective, multicenter, longitudinal, cohort study involving post-COVID-19 patients enrolled in-hospital or early post-discharge (visit 1) and re-evaluated 28-60 days post-discharge (visit 2). Multisystem investigations included chest computed tomography with pulmonary and coronary angiography, cardiovascular and renal magnetic resonance imaging, digital electrocardiography, and multisystem biomarkers. The primary outcome was the adjudicated likelihood of myocarditis.Results: 161 patients (mean age 55 years, 43% female) and 27 controls with similar age, sex, ethnicity, and vascular risk factors were enrolled from 22 May 2020 to 2 July 2021 and had a primary outcome evaluation. Compared to controls, at 28-60 days post-discharge, patients with COVID-19 had persisting evidence of cardio-renal involvement, systemic inflammation, and hemostasis pathway activation. Myocarditis was adjudicated as being not likely (n=17; 10%), unlikely (n=56; 35%), probable (n=67; 42%) or very likely (n=21; 13%). Acute kidney injury (odds ratio, 95% confidence interval: 3.40 (1.13, 11.84); p=0.038) and low hemoglobin A1c (0.26 (0.07, 0.87); p=0.035) were multivariable associates of adjudicated myocarditis. During convalescence, compared to controls, COVID-19 was associated with worse health-related quality of life (EQ5D-5L) (pConclusions: The illness trajectory of COVID-19 includes persisting cardio-renal inflammation, lung damage and hemostasis activation. Adjudicated myocarditis occurred in one in eight hospitalized patients and was associated with impairments in health status, physical and psychological wellbeing during community convalescence. Public registration: ClinicalTrials.gov identifier is NCT04403607.
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- 2021
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11. Periodontal therapy and treatment of hypertension-alternative to the pharmacological approach. A systematic review and meta-analysis
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Pasquale Maffia, Davide Pietropaoli, Francesco D'Aiuto, Renata Gorska, Swathi Sridhar, Rita Del Pinto, Marta Czesnikiewicz-Guzik, Claudia-Martina Messow, Alasdair McIntosh, Maciej Tomaszewski, Eva Muñoz Aguilera, Shiv Sharma, Tomasz J. Guzik, Mateusz Siedlinski, Sharma, S., Sridhar, S., Mcintosh, A., Messow, C. -M., Aguilera, E. M., Del Pinto, R., Pietropaoli, D., Gorska, R., Siedlinski, M., Maffia, P., Tomaszewski, M., Guzik, T. J., D'Aiuto, F., and Czesnikiewicz-Guzik, M.
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CRP ,Endothelial dysfunction ,Hypertension ,Inflammation ,LDL ,Periodontitis ,0301 basic medicine ,medicine.medical_specialty ,Periodontal treatment ,Cardiovascular health ,Blood Pressure ,Prehypertension ,law.invention ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,law ,Internal medicine ,medicine ,Humans ,Antihypertensive Agents ,Pharmacology ,business.industry ,Periodontiti ,Heart Disease Risk Factor ,medicine.disease ,Antihypertensive Agent ,030104 developmental biology ,Blood pressure ,Heart Disease Risk Factors ,030220 oncology & carcinogenesis ,Meta-analysis ,business ,Human - Abstract
Aim: Quantitative comparison of the effects of intensive (IPT) or conventional (CPT) periodontal treatment on arterial blood pressure, endothelial function and inflammatory/metabolic biomarkers. Materials and methods: A systematic search was conducted to identify randomized controlled trials (RCT) of IPT (supra and subgingival instrumentation). Eight RCTs were included in the meta-analysis. Difference in change of systolic blood pressure (SBP) and diastolic blood pressure (DBP) before and after IPT or CPT were the primary outcomes. The secondary outcomes included: endothelial function and selected inflammatory/anti-inflammatory (CRP, IL-6, IL-10, IFN-γ) and metabolic biomarkers (HDL, LDL, TGs). Results: The overall effect estimates (pooled Weighted Mean Difference (WMD)) of the primary outcome for SBP and DBP was −4.3 mmHg [95%CI: −9.10–0.48], p = 0.08 and −3.16 mmHg [95%CI: −6.51–0.19], p = 0.06 respectively. These studies were characterized by high heterogeneity. Therefore, random effects model for meta-analysis was performed. Sub-group analyses confirmed statistically significant reduction in SBP [WMD = −11.41 mmHg (95%CI: −13.66, −9.15) P < 0.00001] and DBP [WMD = −8.43 mmHg (95%CI: −10.96,−5.91)P < 0.00001] after IPT vs CPT among prehypertensive/hypertensive patients, while this was not observed in normotensive individuals. The meta-analyses showed significant reductions in CRP and improvement of endothelial function following IPT at all analysed timepoints. Conclusions: IPT leads to improvement of the cardiovascular health in hypertensive and prehypertensive individuals.
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- 2021
12. Author response for 'Weight loss induced increase in fasting ghrelin concentration is a predictor of weight regain: evidence from the Diabetes Remission Clinical Trial'
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Alasdair McIntosh, Roy Taylor, Wilma S Leslie, Ahmad Al-Mrabeh, Dalia Malkova, George Thom, Paul Welsh, Naomi Brosnahan, Sviatlana Zhyzhneuskaya, Michael E. J. Lean, Claudia-Martina Messow, Naveed Sattar, Louise McCombie, and Alison C. Barnes
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Clinical trial ,medicine.medical_specialty ,Endocrinology ,Weight regain ,business.industry ,Weight loss ,Diabetes mellitus ,Internal medicine ,medicine ,Ghrelin ,medicine.symptom ,medicine.disease ,business - Published
- 2020
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13. Weight loss-induced increase in fasting ghrelin concentration is a predictor of weight regain: Evidence from the Diabetes Remission Clinical Trial (DiRECT)
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Michael E. J. Lean, Alasdair McIntosh, George Thom, Claudia-Martina Messow, Alison C. Barnes, Roy Taylor, Wilma S Leslie, Louise McCombie, Naveed Sattar, Ahmad Al-Mrabeh, Paul Welsh, Sviatlana Zhyzhneuskaya, Dalia Malkova, and Naomi Brosnahan
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medicine.medical_specialty ,business.industry ,Endocrinology, Diabetes and Metabolism ,Leptin ,030209 endocrinology & metabolism ,Type 2 diabetes ,030204 cardiovascular system & hematology ,medicine.disease ,Gastroenterology ,Confidence interval ,03 medical and health sciences ,0302 clinical medicine ,Endocrinology ,Weight loss ,Internal medicine ,Diabetes mellitus ,Weight management ,Internal Medicine ,medicine ,Ghrelin ,medicine.symptom ,business ,Body mass index - Abstract
Aim To investigate whether appetite-related hormones were predictors of weight regain in the Diabetes Remission Clinical Trial (DiRECT). Materials and methods DiRECT is a cluster-randomized clinical trial, designed to assess the effect of weight loss on type 2 diabetes remission. For this post hoc analysis, data were available for 253 (147 interventions, 106 controls) individuals with type 2 diabetes (age 53.6 ± 7.5 years, body mass index 34.7 ± 4.4 kg/m2 , 59% men). Intervention participants received a 24-month weight management programme, and controls remained on usual diabetes care. Fasting plasma concentrations of leptin, ghrelin, glucagon-like peptide-1 and peptide YY were measured at baseline, 12 months and 24 months in all participants, and at 5 months in a subset of participants in the intervention (n = 56) and control groups (n = 22). Potential predictors were examined using multivariable linear regression models. Results The intervention group lost 14.3 ± 6.0% body weight at 5 months but regained weight over time, with weight losses of 10.0 ± 7.5% at 12 months and 7.6 ± 6.3% at 24 months. Weight loss in controls was 1.1 ± 3.7% and 2.1 ± 5.0% at 12 and 24 months, respectively. Body weight increased by 2.3% (95% confidence interval [CI] 0.4, 4.1; P = 0.019) between 12 and 24 months for every 1-ng/mL increase in ghrelin between baseline and 12 months, and weight regain between 12 and 24 months was increased by 1.1% (95% CI 0.2, 2.0; P = 0.023) body weight for every 1-ng/mL increase in ghrelin at 12 months. Conclusion The rise in ghrelin (but not any other measured hormone) during diet-induced weight loss was a predictor of weight regain during follow-up, and concentrations remained elevated over time, suggesting a small but significant compensatory drive to regain weight. Attenuating the effects of ghrelin may improve weight-loss maintenance.
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- 2020
14. Changes over a decade in psychotropic prescribing for people with intellectual disabilities: prospective cohort study
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Angela Henderson, Linda Allan, Sally-Ann Cooper, Alasdair McIntosh, Deborah Kinnear, Colin McCowan, Paula McSkimming, Medical Research Council, University of St Andrews. School of Medicine, University of St Andrews. Sir James Mackenzie Institute for Early Diagnosis, and University of St Andrews. Population and Behavioural Science Division
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medicine.medical_treatment ,Adult psychiatry ,3rd-NDAS ,Cohort Studies ,Longitudinal Studies ,Prospective Studies ,Prospective cohort study ,Psychiatry ,Medicine(all) ,education.field_of_study ,General Medicine ,psychiatry ,Mental Health ,depression & mood disorders ,Medicine ,Mental health ,Clinical pharmacology ,Record linkage ,Schizophrenia & psychotic disorders ,Antipsychotic Agents ,Adult ,Psychosis ,medicine.medical_specialty ,BF Psychology ,Population ,schizophrenia & psychotic disorders ,BF ,R Medicine ,SDG 3 - Good Health and Well-being ,Intellectual Disability ,medicine ,Humans ,Bipolar disorder ,Medical prescription ,education ,Antipsychotic ,Psychotropic Drugs ,business.industry ,medicine.disease ,Cross-Sectional Studies ,Depression & mood disorders ,clinical pharmacology ,adult psychiatry ,business - Abstract
ObjectivesTo investigate psychotropic prescribing in the intellectual disabilities population over 10 years, and associated mental ill health diagnoses.DesignComparison of cross-sectional data in 2002–2004 (T1) and 2014 (T2). Longitudinal cohort study with detailed health assessments at T1 and record linkage to T2 prescribing data.SettingGeneral community.Participants1190 adults with intellectual disabilities in T1 compared with 3906 adults with intellectual disabilities in T2. 545/1190 adults with intellectual disabilities in T1 were alive and their records linked to T2 prescribing data.Main outcome measuresEncashed regular and as-required psychotropic prescriptions.Results50.7% (603/1190) of adults in T1 and 48.2% (1881/3906) in T2 were prescribed at least one psychotropic; antipsychotics: 24.5% (292/1190) in T1 and 16.7% (653/3906) in T2; antidepressants: 11.2% (133/1190) in T1 and 19.1% (746/3906) in T2. 21.2% (62/292) prescribed antipsychotics in T1 had psychosis or bipolar disorder, 33.2% (97/292) had no mental ill health or problem behaviours, 20.6% (60/292) had problem behaviours but no psychosis or bipolar disorder. Psychotropics increased from 47.0% (256/545) in T1 to 57.8% (315/545) in T2 (pConclusionsDespite concerns about antipsychotic prescribing and guidelines recommending their withdrawal, it appears that while fewer antipsychotic prescriptions were initiated by T2 than in T1, people were not withdrawn from them once commenced. People with problem behaviours had increased prescribing. There was also a striking increase in antidepressant prescriptions. Adults with intellectual disabilities need frequent and careful medication reviews.
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- 2020
15. Primary Results From MATCH: A Randomised Controlled Trial in Primary Aldosteronism
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Kennedy Cruickshank, Sam O’Toole, Nicholas J. Bird, Heok Cheow, Mark Gurnell, Russell Senanayake, William Drake, Anju Sahdev, Kate Laycock, Emily Goodchild, Alex McConnachie, Laila Parvanta, Waiel Bashari, Morris Brown, Matthew Matson, Giulia Argentesi, Alison Marker, Daniel M. Berney, Jackie Salsbury, Alasdair McIntosh, and Xilin Wu
- Subjects
medicine.medical_specialty ,Primary aldosteronism ,Primary (chemistry) ,Randomized controlled trial ,business.industry ,law ,Endocrinology, Diabetes and Metabolism ,Internal medicine ,medicine ,medicine.disease ,business ,law.invention - Abstract
Primary aldosteronism (PA) is now considered the sole, often curable, cause of hypertension in 5-10% of patients. Yet there has been only one RCT, and practice has changed little since the advent of CT scanning. Adrenal vein sampling (AVS) and adrenalectomy remain the standard, invasive interventions, leading to a 50% reduction in pill count as the average clinical improvement. Study Design In MATCH (Is Metomidate PET-CT superior to Adrenal vein sampling in predicting ouTCome from adrenalectomy in patients with primary Hyperaldosteronism), 142 patients, mean age 52, 32% female, 32% of African ancestry, 46% hypokalemic, had both AVS and 11C-metomidate PET CT (MTO) in random order, and were referred for surgery if aldosterone/cortisol ratio differed >4-fold between adequately cannulated adrenal veins, and/or SUVmax on MTO was >1.25 higher, in a definite tumour, than the opposite adrenal. The primary outcome is the proportion of patients in whom adrenalectomy achieved complete or partial biochemical or clinical cure, analysed hierarchically using PASO criteria.1 Anticipating ~50% incidence of unilateral PA, MATCH is powered to detect 25% superiority of MTO vs AVS, or non-inferiority at a lower-bound CI of -17%. Secondary outcomes include non-randomised comparison of outcomes between unilateral and bilateral PA; prediction of clinical outcome from the home BP (12 readings over 3 days) before and after starting spironolactone 100 mg od for 4 weeks; quality-of-life assessments; and analyses, by RNAseq, of genotype and transcriptomes of 56 of the CYP11B2-positive tumors, correlated with ethnicity and outcomes. Results: The analysis set is 75 patients who, on 31 Dec 2020, had undergone adrenalectomy with > 6 months follow-up. 67 patients (89%) had complete biochemical cure following PASO criteria,1 and 63 (84%) had complete or partial clinical cure. In 39 of the surgical patients, only one of MTO or AVS was scored as high-probability using criteria above. This score was confirmed at the multi-centre, Multi-Disciplinary Team (MDT) meeting which reviewed all MTO scans without knowledge of AVS. In the primary analysis, comparing accuracy of MTO and AVS by McNemar test, the 39 discordant results were allocated as a win to the positive investigation, if the patient was cured, or to the negative investigation, if not cured. 50/56 CYP11B2-positive tumors had a known mutation; the frequency was CACNA1D>KCNJ5>ATP1A1>ATP2B3>CTNNB1>GNAQ>CLCN2, differing between patients whose hypertension was completely or partially cured. Two other tumors had novel gene mutations. Several RNAseq transcripts varied with genotype and outcome, including some encoding measurable, secreted proteins. Full primary and secondary outcomes will be presented. 1. Williams TA, et al. Lancet Diabetes Endocrinol. 2017;5:689-699
- Published
- 2021
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