Imperial College London

ProfessorJanetPowell

Faculty of MedicineDepartment of Surgery & Cancer

Visiting Professor
 
 
 
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Contact

 

+44 (0)20 3311 7312j.powell

 
 
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Location

 

4E05Charing Cross HospitalCharing Cross Campus

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Summary

 

Publications

Publication Type
Year
to

433 results found

Veith FJ, Powell JT, Hinchliffe RJ, 2010, Is a randomized trial necessary to determine whether endovascular repair is the preferred management strategy in patients with ruptured abdominal aortic aneurysms?, JOURNAL OF VASCULAR SURGERY, Vol: 52, Pages: 1087-1093, ISSN: 0741-5214

Journal article

Powell JT, Hinchliffe RJ, 2010, Part One: For the Motion A randomised controlled trial is the best way to determine whether endovascular repair is the preferred management strategy in patients with a ruptured aortic aneurysm, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 40, Pages: 421-424, ISSN: 1078-5884

Journal article

Liapis CD, Bell PF, Mikhailidis DP, Sivenius J, Nicolaides A, Fernandes e Fernandes J, Biasi G, Norgren Let al., 2010, ESVS Guidelines: Section B - Diagnosis and Investigation of Patients with Carotid Stenosis, CURRENT VASCULAR PHARMACOLOGY, Vol: 8, Pages: 682-691, ISSN: 1570-1611

Journal article

Gretarsdottir S, Baas AF, Thorleifsson G, Holm H, den Heijer M, de Vries J-PPM, Kranendonk SE, Zeebregts CJAM, van Sterkenburg SM, Geelkerken RH, van Rij AM, Williams MJA, Boll APM, Kostic JP, Jonasdottir A, Jonasdottir A, Walters GB, Masson G, Sulem P, Saemundsdottir J, Mouy M, Magnusson KP, Tromp G, Elmore JR, Sakalihasan N, Limet R, Defraigne J-O, Ferrell RE, Ronkainen A, Ruigrok YM, Wijmenga C, Grobbee DE, Shah SH, Granger CB, Quyyumi AA, Vaccarino V, Patel RS, Zafari AM, Levey AI, Austin H, Girelli D, Pignatti PF, Olivieri O, Martinelli N, Malerba G, Trabetti E, Becker LC, Becker DM, Reilly MP, Rader DJ, Mueller T, Dieplinger B, Haltmayer M, Urbonavicius S, Lindblad B, Gottsater A, Gaetani E, Pola R, Wells P, Rodger M, Forgie M, Langlois N, Corral J, Vicente V, Fontcuberta J, Espana F, Grarup N, Jorgensen T, Witte DR, Hansen T, Pedersen O, Aben KK, de Graaf J, Holewijn S, Folkersen L, Franco-Cereceda A, Eriksson P, Collier DA, Stefansson H, Steinthorsdottir V, Rafnar T, Valdimarsson EM, Magnadottir HB, Sveinbjornsdottir S, Olafsson I, Magnusson MK, Palmason R, Haraldsdottir V, Andersen K, Onundarson PT, Thorgeirsson G, Kiemeney LA, Powell JT, Carey DJ, Kuivaniemi H, Lindholt JS, Jones GT, Kong A, Blankensteijn JD, Matthiasson SE, Thorsteinsdottir U, Stefansson Ket al., 2010, Genome-wide association study identifies a sequence variant within the DAB2IP gene conferring susceptibility to abdominal aortic aneurysm, NATURE GENETICS, Vol: 42, Pages: 692-U71, ISSN: 1061-4036

Journal article

Brown LC, Greenhalgh RM, Powell JT, Thompson SGet al., 2010, Use of baseline factors to predict complications and reinterventions after endovascular repair of abdominal aortic aneurysm, BRITISH JOURNAL OF SURGERY, Vol: 97, Pages: 1207-1217, ISSN: 0007-1323

Journal article

Powell JT, Brown LC, 2010, The Long-term Results of the UK EVAR Trials: The Sting in the Tail, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 40, Pages: 44-46, ISSN: 1078-5884

Journal article

Sweeting MJ, Thompson SG, Brown LC, Greenhalgh RM, Powell JTet al., 2010, Use of angiotensin converting enzyme inhibitors is associated with increased growth rate of abdominal aortic aneurysms, JOURNAL OF VASCULAR SURGERY, Vol: 52, Pages: 1-4, ISSN: 0741-5214

Journal article

Powell JT, Thompson MM, Thompson SG, Sweeting MJ, Ulug P, Hinchliffe RJ, Greenhalgh RMet al., 2010, Getting research in the NHS started, LANCET, Vol: 375, Pages: 2072-2072, ISSN: 0140-6736

Journal article

Greenhalgh RM, Brown LC, Powell JT, Thompson SG, Epstein Det al., 2010, Endovascular Repair of Aortic Aneurysm in Patients Physically Ineligible for Open Repair, NEW ENGLAND JOURNAL OF MEDICINE, Vol: 362, Pages: 1872-1880, ISSN: 0028-4793

Journal article

Greenhalgh RM, Brown LC, Powell JT, Thompson SG, Epstein D, Sculpher MJet al., 2010, Endovascular versus Open Repair of Abdominal Aortic Aneurysm, NEW ENGLAND JOURNAL OF MEDICINE, Vol: 362, Pages: 1863-1871, ISSN: 0028-4793

Journal article

Brown LC, Brown EA, Greenhalgh RM, Powell JT, Thompson SGet al., 2010, Renal Function and Abdominal Aortic Aneurysm (AAA) The Impact of Different Management Strategies on Long-Term Renal Function in the UK EndoVascular Aneurysm Repair (EVAR) Trials, ANNALS OF SURGERY, Vol: 251, Pages: 966-975, ISSN: 0003-4932

Journal article

Brown LC, Greenhalgh RM, Thompson SG, Powell JTet al., 2010, Does EVAR Alter the Rate of Cardiovascular Events in Patients with Abdominal Aortic Aneurysm Considered Unfit for Open Repair? Results from the Randomised EVAR Trial 2, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 39, Pages: 396-402, ISSN: 1078-5884

Journal article

Norman PE, Powell JT, 2010, Site Specificity of Aneurysmal Disease, CIRCULATION, Vol: 121, Pages: 560-568, ISSN: 0009-7322

Journal article

Reise JA, Sheldon H, Earnshaw J, Naylor AR, Dick F, Powell JT, Greenhalgh RMet al., 2010, Patient Preference for Surgical Method of Abdominal Aortic Aneurysm Repair: Postal Survey, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 39, Pages: 55-61, ISSN: 1078-5884

Journal article

Early Breast Cancer Trialists' Collaborative Group EBCTCG, Correa C, McGale P, Taylor C, Wang Y, Clarke M, Davies C, Peto R, Bijker N, Solin L, Darby Set al., 2010, Overview of the randomized trials of radiotherapy in ductal carcinoma in situ of the breast., J Natl Cancer Inst Monogr, Vol: 2010, Pages: 162-177

Individual patient data were available for all four of the randomized trials that began before 1995, and that compared adjuvant radiotherapy vs no radiotherapy following breast-conserving surgery for ductal carcinoma in situ (DCIS). A total of 3729 women were eligible for analysis. Radiotherapy reduced the absolute 10-year risk of any ipsilateral breast event (ie, either recurrent DCIS or invasive cancer) by 15.2% (SE 1.6%, 12.9% vs 28.1% 2 P <.00001), and it was effective regardless of the age at diagnosis, extent of breast-conserving surgery, use of tamoxifen, method of DCIS detection, margin status, focality, grade, comedonecrosis, architecture, or tumor size. The proportional reduction in ipsilateral breast events was greater in older than in younger women (2P < .0004 for difference between proportional reductions; 10-year absolute risks: 18.5% vs 29.1% at ages <50 years, 10.8% vs 27.8% at ages ≥ 50 years) but did not differ significantly according to any other available factor. Even for women with negative margins and small low-grade tumors, the absolute reduction in the 10-year risk of ipsilateral breast events was 18.0% (SE 5.5, 12.1% vs 30.1%, 2P = .002). After 10 years of follow-up, there was, however, no significant effect on breast cancer mortality, mortality from causes other than breast cancer, or all-cause mortality.

Journal article

Powell JT, Thompson SG, Thompson MM, Grieve R, Nicholson AA, Ashleigh R, Hassan T, Moore F, Walker A, Braithwaite BD, Hinchliffe RJ, Greenhalgh RM, Cheshire NJ, Howell SJ, Soong Cet al., 2009, The Immediate Management of the Patient with Rupture : Open Versus Endovascular Repair (IMPROVE) Aneurysm Trial - ISRCTN 48334791 IMPROVE trialists, ACTA CHIRURGICA BELGICA, Vol: 109, Pages: 678-680, ISSN: 0001-5458

Journal article

Powell JT, 2009, Time to IMPROVE the Management of Ruptured Abdominal Aortic Aneurysm: IMPROVE Trialists, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 38, Pages: 237-238, ISSN: 1078-5884

Journal article

Powell JT, Golledge J, 2009, The Integration of Vascular Biology and Vascular Disease Diagnosis and Intervention, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 37, Pages: 712-713, ISSN: 1078-5884

Journal article

Liapis CD, Bell PRF, Mikhailidis D, Sivenius J, Nicolaides A, Fernandes e Fernandes J, Biasi G, Norgren Let al., 2009, ESVS Guidelines. Invasive Treatment for Carotid Stenosis: Indications, Techniques, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 37, Pages: S1-S19, ISSN: 1078-5884

Journal article

Hinchliffe RJ, Powell JT, Cheshire NJ, Thompson MMet al., 2009, Endovascular repair of ruptured abdominal aortic aneurysm: A strategy in need of definitive evidence, JOURNAL OF VASCULAR SURGERY, Vol: 49, Pages: 1077-1080, ISSN: 0741-5214

Journal article

Brown LC, Thompson SG, Greenhalgh RM, Powell JTet al., 2008, Fit patients with small abdominal aortic aneurysms (AAAs) do not benefit from early intervention, JOURNAL OF VASCULAR SURGERY, Vol: 48, Pages: 1375-1381, ISSN: 0741-5214

Journal article

Powell JT, Norman PE, 2008, Abdominal aortic aneurysm in postmenopausal women, BRITISH MEDICAL JOURNAL, Vol: 337, ISSN: 0959-535X

Journal article

Greenhalgh RM, Powell JT, 2008, Registries and RCTs for new interventional procedures, LANCET, Vol: 372, Pages: 891-892, ISSN: 0140-6736

Journal article

Rodway AD, Powell JT, Brown LC, Greenhalgh RMet al., 2008, Do abdominal aortic aneurysm necks increase in size. faster after endovascular than open repair?, EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, Vol: 35, Pages: 685-693, ISSN: 1078-5884

Journal article

Dick F, Brown LC, Powell JT, Reise J, Greenhalgh RMet al., 2008, Appraisal era for endovascular repair of abdominal aortic aneurysms, ACTA CHIRURGICA BELGICA, Vol: 108, Pages: 288-291, ISSN: 0001-5458

Journal article

Epstein DM, Sculpher MJ, Manca A, Michaels J, Thompson SG, Brown LC, Powell JT, Buxton MJ, Greenhalgh RMet al., 2008, Modelling the long-term cost-effectiveness of endovascular or open repair for abdominal aortic aneurysm, BRITISH JOURNAL OF SURGERY, Vol: 95, Pages: 183-190, ISSN: 0007-1323

Journal article

Helgadottir A, Thorleifsson G, Magnusson KP, Gretarsdottir S, Steinthorsdottir V, Manolescu A, Jones GT, Rinkel GJE, Blankensteijn JD, Ronkainen A, Jaaskelainen JE, Kyo Y, Lenk GM, Sakalihasan N, Kostulas K, Gottsater A, Flex A, Stefansson H, Hansen T, Andersen G, Weinsheimer S, Borch-Johnsen K, Jorgensen T, Shah SH, Quyyumi AA, Granger CB, Reilly MP, Austin H, Levey AI, Vaccarino V, Palsdottir E, Walters GB, Jonsdottir T, Snorradottir S, Magnusdottir D, Gudmundsson G, Ferrell RE, Sveinbjornsdottir S, Hernesniemi J, Niemela M, Limet R, Andersen K, Sigurdsson G, Benediktsson R, Verhoeven ELG, Teijink JAW, Grobbee DE, Rader DJ, Collier DA, Pedersen O, Pola R, Hillert J, Lindblad B, Valdimarsson EM, Magnadottir HB, Wijmenga C, Tromp G, Baas AF, Ruigrok YM, van Rij AM, Kuivaniemi H, Powell JT, Matthiasson SE, Gulcher JR, Thorgeirsson G, Kong A, Thorsteinsdottir U, Stefansson Ket al., 2008, The same sequence variant on 9p21 associates with myocardial infarction, abdominal aortic aneurysm and intracranial aneurysm, NATURE GENETICS, Vol: 40, Pages: 217-224, ISSN: 1061-4036

Journal article

Greenhalgh RM, Powell JT, 2008, Endovascular repair of abdominal aortic aneurysm, NEW ENGLAND JOURNAL OF MEDICINE, Vol: 358, Pages: 494-501, ISSN: 0028-4793

Journal article

Powell JT, 2008, Non-operative or medical management of abdominal aortic aneurysm, SCANDINAVIAN JOURNAL OF SURGERY, Vol: 97, Pages: 121-124, ISSN: 1457-4969

Journal article

Powell JT, Brown LC, Greenhalgh RM, Thompson SGet al., 2008, The rupture rate of large abdominal aortic aneurysms - Is this modified by anatomical suitability for endovascular repair?, ANNALS OF SURGERY, Vol: 247, Pages: 173-179, ISSN: 0003-4932

Journal article

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