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Sciacca S, Bassiouny A, Mansoor N, Minett T, Balasundaram P, Siddiqui J, Joshi Y, Derakhshani S, Kandasamy N, Booth TC, Lynch J. Early Outcomes of the Pipeline Vantage Flow Diverter : A Multicentre Study. Clin Neuroradiol 2023; 33:887-896. [PMID: 37378843 DOI: 10.1007/s00062-023-01314-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023]
Abstract
PURPOSE The recently introduced Pipeline Vantage Embolization Device with Shield Technology is the fourth generation of Pipeline flow diverter devices. Due to the relatively high rate of intraprocedural technical complications, modifications were subsequently made to the device after a limited release of the device in 2020. This study aimed to evaluate the safety and efficacy of the modified version of this device. METHODS This was a multicentre retrospective series. The primary efficacy endpoint was aneurysm occlusion in the absence of retreatment. The primary safety endpoint was any neurological morbidity or death. Ruptured and unruptured aneurysms were included in the study. RESULTS A total of 52 procedures were performed for 60 target aneurysms. Treatment was performed on 5 patients with ruptured aneurysms. The technical success rate was 98%. The mean clinical follow-up time was 5.5 months. In patients presenting with unruptured aneurysms there were no deaths, 3 (6.4%) major complications and 7 (13%) minor complications. In the five patients presenting with subarachnoid haemorrhage there were 2 (40%) major complications with 1 (20%) of these resulting in death, and 1 (20%) minor complication. Of the patients 29 (56%) had undergone 6‑monthly postprocedural angiographic imaging with a mean time of 6.6 months demonstrating that 83% of patients had achieved adequate occlusion (RROC1/2) of the aneurysm. CONCLUSIONS In this non-industry-sponsored study, the occlusion rates and safety outcomes were similar to those seen in previously published studies with flow diverter devices and earlier generation Pipeline devices. Modifications to the device appear to have improved ease of deployment.
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Affiliation(s)
- Sara Sciacca
- Department of Neuroradiology, King's College Hospital, London, UK.
| | - Ahmed Bassiouny
- Department of Neuroradiology, King's College Hospital, London, UK
- Department of Radiology, Mansoura University, Mansoura, Egypt
| | - Nina Mansoor
- Department of Neuroradiology, King's College Hospital, London, UK
| | - Thais Minett
- Department of Neuroradiology, Addenbrooke's Hospital, Cambridge, UK
| | | | - Juveria Siddiqui
- Department of Neuroradiology, King's College Hospital, London, UK
| | - Yogish Joshi
- Department of Neuroradiology, Addenbrooke's Hospital, Cambridge, UK
| | | | - Naga Kandasamy
- Department of Neuroradiology, King's College Hospital, London, UK
| | | | - Jeremy Lynch
- Department of Neuroradiology, King's College Hospital, London, UK
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Alexandratou A, Mah Y, Ramsey D, Kandasamy N, Tolias CM, Gadapa N, Ankolekar S. Dural arteriovenous fistula causing reversible cognitive impairment. Pract Neurol 2023; 23:82-84. [PMID: 35981860 DOI: 10.1136/pn-2021-003332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2022] [Indexed: 02/02/2023]
Abstract
A previously independent 82-year-old woman presented with 5 months of worsening confusion, mobility and cognitive decline, with deficits in orientation, language and executive function. A cerebral dural arteriovenous fistula was identified and successfully embolised, after which her cognitive ability and independence dramatically improved. Although rare, a dural arteriovenous fistula may mimic a rapidly progressive dementia, but its early recognition and treatment can completely reverse the dementia.
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Affiliation(s)
- Anna Alexandratou
- Department of Neurosciences, King's College Hospital NHS Foundation Trust, London, UK
| | - Yee Mah
- Department of Neurosciences, King's College Hospital NHS Foundation Trust, London, UK.,School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Deborah Ramsey
- Department of Neurosciences, King's College Hospital NHS Foundation Trust, London, UK
| | - Naga Kandasamy
- Department of Neuroradiology, King's College Hospital NHS Foundation Trust, London, UK
| | - Christos M Tolias
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, UK
| | - Naveen Gadapa
- Department of Neurosciences, King's College Hospital NHS Foundation Trust, London, UK
| | - Sandeep Ankolekar
- Department of Neurosciences, King's College Hospital NHS Foundation Trust, London, UK
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3
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Dalle Carbonare M, Yeung E, Siddiqui J, Kandasamy N, Fan K. A life-threatening dental implant: A case report. Clin Implant Dent Relat Res 2021; 23:477-481. [PMID: 33977650 DOI: 10.1111/cid.13010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/26/2021] [Accepted: 04/29/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Intraoral bleeding complications in implant surgery are infrequent; nevertheless, serious and life-threatening complications have been described, generally related to mandibular implants. PURPOSE This article presents the exceptional case of a 24-year-old woman who underwent repeated delayed life-threatening episodes of intraoral bleeding following uncovering of a maxillary dental implant. Local measures afforded only temporary control. RESULTS The episodes were successfully managed by embolising the greater descending palatine artery, and the patient remains now under close follow-up. CONCLUSIONS Early recognition of shock secondary to hemorrhage following intraoral surgery is of paramount importance.
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Affiliation(s)
- Marco Dalle Carbonare
- Oral and Maxillofacial Surgery, King's College Hospital NHS Foundation Trust, London, UK
| | - Elizabeth Yeung
- Oral and Maxillofacial Surgery, King's College Hospital NHS Foundation Trust, London, UK
| | - Juveria Siddiqui
- Interventional Neuroradiology, King's College London NHS Foundation Trust, London, UK
| | - Naga Kandasamy
- Interventional Neuroradiology, King's College London NHS Foundation Trust, London, UK
| | - Kathleen Fan
- Oral and Maxillofacial Surgery, King's College Hospital NHS Foundation Trust, London, UK
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Booth TC, Parra-Farinas C, deSouza RM, Kandasamy N, Bhattacharya J, Rangi P, Downer J. Woven Endobridge (WEB) Device as a Retreatment Strategy After Unsuccessful Surgical Clipping. World Neurosurg 2020; 139:111-120. [PMID: 32179191 DOI: 10.1016/j.wneu.2020.02.101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/16/2020] [Accepted: 02/17/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Surgical clipping of intracranial aneurysms is typically robust and durable. However, residual aneurysmal components may be seen after clipping. Furthermore, there may be occasional aneurysmal recurrence. These factors are both clinically relevant because subarachnoid hemorrhage after clipping is a rare but important event. The rationale for any treatment is to substantially decrease the future risk of hemorrhage. Small series have shown coiling as a retreatment strategy after unsuccessful clipping, but none has explored the feasibility of Woven Endobridge (WEB) implantation. CASE DESCRIPTION We examined the feasibility of WEB implantation as second-line treatment for wide-necked residual aneurysms after unsuccessful clipping. We also recorded the safety and efficacy in this small series of 6 patients. To determine safety, we measured the modified Rankin Scale score before and after the procedure, and at 2 later time points (mean follow-up, 5 months and 15 months). To determine efficacy, we obtained radiographic aneurysm occlusion outcomes (including WEB Occlusion Scale) at these 2 time points. Four middle cerebral artery and 2 anterior communicating artery complex aneurysms were treated with WEB implantation, showing feasibility in 6/6 cases (100%). Follow-up at 15 months showed no change from preprocedural modified Rankin Scale score and there were no other complications. There was adequate occlusion in 5/6 cases (83%). CONCLUSIONS WEB implantation provided a feasible option in this challenging retreatment scenario. This is a small series and prospective data are required to make outcome inferences for this population. Nonetheless, we observed no complications and high adequate occlusion rates.
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Affiliation(s)
- Thomas C Booth
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom; Department of Neuroradiology, King's College Hospital NHS Foundation Trust, London, United Kingdom.
| | | | - Ruth-Mary deSouza
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Naga Kandasamy
- Department of Neuroradiology, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Jo Bhattacharya
- Department of Neuroradiology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
| | - Prem Rangi
- Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London, United Kingdom
| | - Jonathan Downer
- Department of Neuroradiology, Western General Hospital, Edinburgh, United Kingdom
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5
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Atasoy D, Kandasamy N, Hart J, Lynch J, Yang SH, Walsh D, Tolias C, Booth TC. Outcome Study of the Pipeline Embolization Device with Shield Technology in Unruptured Aneurysms (PEDSU). AJNR Am J Neuroradiol 2019; 40:2094-2101. [PMID: 31727754 DOI: 10.3174/ajnr.a6314] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Accepted: 09/20/2019] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE The recently introduced Pipeline Flex Embolization Device with Shield Technology (Pipeline Shield) is the third generation of Pipeline flow-diverter devices. It has a new stent-surface modification, which reduces thrombogenicity. We aimed to evaluate clinical and radiographic (safety and efficacy) outcomes of the Pipeline Shield. MATERIALS AND METHODS The 30-day and 1-year mortality and morbidity rates and the 6- and 18-month radiographic aneurysm occlusion outcomes for procedures performed between March 2016 and January 2018 were analyzed. 3D-TOF-MRA was used for follow-up. RESULTS Forty-four attempted Pipeline Shield procedures were performed for 41 patients with 44 target aneurysms (total of 52 aneurysms treated). A total of 88.5% of devices were inserted in the anterior circulation, and 11.5%, in the posterior circulation; 49/52 (94.2%) aneurysms were saccular; and 1/52 (1.9%) was fusiform. One (1.9%) aneurysm was an iatrogenic pseudoaneurysm, and 1 (1.9%) was a dissecting aneurysm. Seventy-one percent (35/49) of the saccular aneurysms were wide-neck (neck, >4 mm), 34.6% (18/52) were large (≥10 mm), and 3.8% (2/52) were giant (≥25 mm). The mean aneurysm sac maximal diameter was 9.0 mm, and the mean neck width was 5.0 mm. The cumulative mortality and morbidity rates were 2.3% and 6.8% at 1 year, respectively. The adequate occlusion rate was 78.8% at 6 months and 90.3% at 18 months. CONCLUSIONS In this pragmatic and non-industry-sponsored study, the occlusion rates and safety outcomes were similar to those seen in previously published studies with flow-diverter devices and earlier generation Pipeline Embolization Devices.
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Affiliation(s)
- D Atasoy
- From Karadeniz Technical University (D.A.), Farabi Hospital, Trabzon, Turkey
| | - N Kandasamy
- Departments of Neuroradiology (N.K., J.H., J.L., T.C.B.)
| | - J Hart
- Departments of Neuroradiology (N.K., J.H., J.L., T.C.B.)
| | - J Lynch
- Departments of Neuroradiology (N.K., J.H., J.L., T.C.B.)
| | - S-H Yang
- Department of Radiology (S.-H.Y.), Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Radiology (S.-H.Y.), School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - D Walsh
- Neurosurgery (D.W., C.T.), King's College Hospital National Health Service Foundation Trust, London, UK
| | - C Tolias
- Neurosurgery (D.W., C.T.), King's College Hospital National Health Service Foundation Trust, London, UK
| | - T C Booth
- Departments of Neuroradiology (N.K., J.H., J.L., T.C.B.) .,School of Biomedical Engineering and Imaging Sciences (T.C.B.), King's College London, London, UK
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Román LS, Menon BK, Blasco J, Hernández-Pérez M, Dávalos A, Majoie CBLM, Campbell BCV, Guillemin F, Lingsma H, Anxionnat R, Epstein J, Saver JL, Marquering H, Wong JH, Lopes D, Reimann G, Desal H, Dippel DWJ, Coutts S, du Mesnil de Rochemont R, Yavagal D, Ferre JC, Roos YBWEM, Liebeskind DS, Lenthall R, Molina C, Al Ajlan FS, Reddy V, Dowlatshahi D, Sourour NA, Oppenheim C, Mitha AP, Davis SM, Weimar C, van Oostenbrugge RJ, Cobo E, Kleinig TJ, Donnan GA, van der Lugt A, Demchuk AM, Berkhemer OA, Boers AMM, Ford GA, Muir KW, Brown BS, Jovin T, van Zwam WH, Mitchell PJ, Hill MD, White P, Bracard S, Goyal M, Berkhemer OA, Fransen PSS, Beumer D, van den Berg LA, Lingsma HF, Yoo AJ, Schonewille WJ, Vos JA, Nederkoorn PJ, Wermer MJH, van Walderveen MAA, Staals J, Hofmeijer J, van Oostayen JA, Lycklama à Nijeholt GJ, Boiten J, Brouwer PA, Emmer BJ, de Bruijn SF, van Dijk LC, Kappelle J, Lo RH, van Dijk EJ, de Vries J, de Kort PL, van Rooij WJJ, van den Berg JS, van Hasselt BA, Aerden LA, Dallinga RJ, Visser MC, Bot JC, Vroomen PC, Eshghi O, Schreuder TH, Heijboer RJ, Keizer K, Tielbeek AV, den Hertog HM, Gerrits DG, van den Berg-Vos RM, Karas GB, Steyerberg EW, Flach Z, Marquering HA, Sprengers ME, Jenniskens SF, Beenen LF, Zech M, Kowarik M, Seifert C, Schwaiger B, Puri A, Hou S, Wakhloo A, Moonis M, Henniger N, Goddeau R, van den Berg R, Massari F, Minaeian A, Lozano JD, Ramzan M, Stout C, Patel A, Tunguturi A, Onteddu S, Carandang R, Howk M, Koudstaal PJ, Ribó M, Sanjuan E, Rubiera M, Pagola J, Flores A, Muchada M, Meler P, Huerga E, Gelabert S, Coscojuela P, van Zwam WH, Tomasello A, Rodriguez D, Santamarina E, Maisterra O, Boned S, Seró L, Rovira A, Molina CA, Millán M, Muñoz L, Roos YB, Pérez de la Ossa N, Gomis M, Dorado L, López-Cancio E, Palomeras E, Munuera J, García Bermejo P, Remollo S, Castaño C, García-Sort R, van der Lugt A, Cuadras P, Puyalto P, Hernández-Pérez M, Jiménez M, Martínez-Piñeiro A, Lucente G, Dávalos A, Chamorro A, Urra X, Obach V, van Oostenbrugge RJ, Cervera A, Amaro S, Llull L, Codas J, Balasa M, Navarro J, Ariño H, Aceituno A, Rudilosso S, Renu A, Majoie CB, Macho JM, San Roman L, Blasco J, López A, Macías N, Cardona P, Quesada H, Rubio F, Cano L, Lara B, Dippel DW, de Miquel MA, Aja L, Serena J, Cobo E, Albers GW, Lees KR, Arenillas J, Roberts R, Minhas P, Al-Ajlan F, Brown MM, Salluzzi M, Zimmel L, Patel S, Eesa M, Martí-Fàbregas J, Jankowitz B, Serena J, Salvat-Plana M, López-Cancio E, Bracard S, Liebig T, Ducrocq X, Anxionnat R, Baillot PA, Barbier C, Derelle AL, Lacour JC, Richard S, Samson Y, Sourour N, Baronnet-Chauvet F, Stijnen T, Clarencon F, Crozier S, Deltour S, Di Maria F, Le Bouc R, Leger A, Mutlu G, Rosso C, Szatmary Z, Yger M, Andersson T, Zavanone C, Bakchine S, Pierot L, Caucheteux N, Estrade L, Kadziolka K, Leautaud A, Renkes C, Serre I, Desal H, Mattle H, Guillon B, Boutoleau-Bretonniere C, Daumas-Duport B, De Gaalon S, Derkinderen P, Evain S, Herisson F, Laplaud DA, Lebouvier T, Lintia-Gaultier A, Wahlgren N, Pouclet-Courtemanche H, Rouaud T, Rouaud Jaffrenou V, Schunck A, Sevin-Allouet M, Toulgoat F, Wiertlewski S, Gauvrit JY, Ronziere T, Cahagne V, van der Heijden E, Ferre JC, Pinel JF, Raoult H, Mas JL, Meder JF, Al Najjar-Carpentier AA, Birchenall J, Bodiguel E, Calvet D, Domigo V, Ghannouti N, Godon-Hardy S, Guiraud V, Lamy C, Majhadi L, Morin L, Naggara O, Trystram D, Turc G, Berge J, Sibon I, Fleitour N, Menegon P, Barreau X, Rouanet F, Debruxelles S, Kazadi A, Renou P, Fleury O, Pasco-Papon A, Dubas F, Caroff J, Hooijenga I, Godard Ducceschi S, Hamon MA, Lecluse A, Marc G, Giroud M, Ricolfi F, Bejot Y, Chavent A, Gentil A, Kazemi A, Puppels C, Osseby GV, Voguet C, Mahagne MH, Sedat J, Chau Y, Suissa L, Lachaud S, Houdart E, Stapf C, Buffon Porcher F, Pellikaan W, Chabriat H, Guedin P, Herve D, Jouvent E, Mawet J, Saint-Maurice JP, Schneble HM, Turjman F, Nighoghossian N, Berhoune NN, Geerling A, Bouhour F, Cho TH, Derex L, Felix S, Gervais-Bernard H, Gory B, Manera L, Mechtouff L, Ritzenthaler T, Riva R, Lindl-Velema A, Salaris Silvio F, Tilikete C, Blanc R, Obadia M, Bartolini MB, Gueguen A, Piotin M, Pistocchi S, Redjem H, Drouineau J, van Vemde G, Neau JP, Godeneche G, Lamy M, Marsac E, Velasco S, Clavelou P, Chabert E, Bourgois N, Cornut-Chauvinc C, Ferrier A, de Ridder A, Gabrillargues J, Jean B, Marques AR, Vitello N, Detante O, Barbieux M, Boubagra K, Favre Wiki I, Garambois K, Tahon F, Greebe P, Ashok V, Voguet C, Coskun O, Guedin P, Rodesch G, Lapergue B, Bourdain F, Evrard S, Graveleau P, Decroix JP, de Bont-Stikkelbroeck J, Wang A, Sellal F, Ahle G, Carelli G, Dugay MH, Gaultier C, Lebedinsky AP, Lita L, Musacchio RM, Renglewicz-Destuynder C, de Meris J, Tournade A, Vuillemet F, Montoro FM, Mounayer C, Faugeras F, Gimenez L, Labach C, Lautrette G, Denier C, Saliou G, Janssen K, Chassin O, Dussaule C, Melki E, Ozanne A, Puccinelli F, Sachet M, Sarov M, Bonneville JF, Moulin T, Biondi A, Struijk W, De Bustos Medeiros E, Vuillier F, Courtheoux P, Viader F, Apoil-Brissard M, Bataille M, Bonnet AL, Cogez J, Kazemi A, Touze E, Licher S, Leclerc X, Leys D, Aggour M, Aguettaz P, Bodenant M, Cordonnier C, Deplanque D, Girot M, Henon H, Kalsoum E, Boodt N, Lucas C, Pruvo JP, Zuniga P, Bonafé A, Arquizan C, Costalat V, Machi P, Mourand I, Riquelme C, Bounolleau P, Ros A, Arteaga C, Faivre A, Bintner M, Tournebize P, Charlin C, Darcel F, Gauthier-Lasalarie P, Jeremenko M, Mouton S, Zerlauth JB, Venema E, Lamy C, Hervé D, Hassan H, Gaston A, Barral FG, Garnier P, Beaujeux R, Wolff V, Herbreteau D, Debiais S, Slokkers I, Murray A, Ford G, Muir KW, White P, Brown MM, Clifton A, Freeman J, Ford I, Markus H, Wardlaw J, Ganpat RJ, Lees KR, Molyneux A, Robinson T, Lewis S, Norrie J, Robertson F, Perry R, Dixit A, Cloud G, Clifton A, Mulder M, Madigan J, Roffe C, Nayak S, Lobotesis K, Smith C, Herwadkar A, Kandasamy N, Goddard T, Bamford J, Subramanian G, Saiedie N, Lenthall R, Littleton E, Lamin S, Storey K, Ghatala R, Banaras A, Aeron-Thomas J, Hazel B, Maguire H, Veraque E, Heshmatollah A, Harrison L, Keshvara R, Cunningham J, Schipperen S, Vinken S, van Boxtel T, Koets J, Boers M, Santos E, Borst J, Jansen I, Kappelhof M, Lucas M, Geuskens R, Barros RS, Dobbe R, Csizmadia M, Hill MD, Goyal M, Demchuk AM, Menon BK, Eesa M, Ryckborst KJ, Wright MR, Kamal NR, Andersen L, Randhawa PA, Stewart T, Patil S, Minhas P, Almekhlafi M, Mishra S, Clement F, Sajobi T, Shuaib A, Montanera WJ, Roy D, Silver FL, Jovin TG, Frei DF, Sapkota B, Rempel JL, Thornton J, Williams D, Tampieri D, Poppe AY, Dowlatshahi D, Wong JH, Mitha AP, Subramaniam S, Hull G, Lowerison MW, Sajobi T, Salluzzi M, Wright MR, Maxwell M, Lacusta S, Drupals E, Armitage K, Barber PA, Smith EE, Morrish WF, Coutts SB, Derdeyn C, Demaerschalk B, Yavagal D, Martin R, Brant R, Yu Y, Willinsky RA, Montanera WJ, Weill A, Kenney C, Aram H, Stewart T, Stys PK, Watson TW, Klein G, Pearson D, Couillard P, Trivedi A, Singh D, Klourfeld E, Imoukhuede O, Nikneshan D, Blayney S, Reddy R, Choi P, Horton M, Musuka T, Dubuc V, Field TS, Desai J, Adatia S, Alseraya A, Nambiar V, van Dijk R, Wong JH, Mitha AP, Morrish WF, Eesa M, Newcommon NJ, Shuaib A, Schwindt B, Butcher KS, Jeerakathil T, Buck B, Khan K, Naik SS, Emery DJ, Owen RJ, Kotylak TB, Ashforth RA, Yeo TA, McNally D, Siddiqui M, Saqqur M, Hussain D, Kalashyan H, Manosalva A, Kate M, Gioia L, Hasan S, Mohammad A, Muratoglu M, Williams D, Thornton J, Cullen A, Brennan P, O'Hare A, Looby S, Hyland D, Duff S, McCusker M, Hallinan B, Lee S, McCormack J, Moore A, O'Connor M, Donegan C, Brewer L, Martin A, Murphy S, O'Rourke K, Smyth S, Kelly P, Lynch T, Daly T, O'Brien P, O'Driscoll A, Martin M, Daly T, Collins R, Coughlan T, McCabe D, Murphy S, O'Neill D, Mulroy M, Lynch O, Walsh T, O'Donnell M, Galvin T, Harbison J, McElwaine P, Mulpeter K, McLoughlin C, Reardon M, Harkin E, Dolan E, Watts M, Cunningham N, Fallon C, Gallagher S, Cotter P, Crowe M, Doyle R, Noone I, Lapierre M, Coté VA, Lanthier S, Odier C, Durocher A, Raymond J, Weill A, Daneault N, Deschaintre Y, Jankowitz B, Baxendell L, Massaro L, Jackson-Graves C, Decesare S, Porter P, Armbruster K, Adams A, Billigan J, Oakley J, Ducruet A, Jadhav A, Giurgiutiu DV, Aghaebrahim A, Reddy V, Hammer M, Starr M, Totoraitis V, Wechsler L, Streib S, Rangaraju S, Campbell D, Rocha M, Gulati D, Silver FL, Krings T, Kalman L, Cayley A, Williams J, Stewart T, Wiegner R, Casaubon LK, Jaigobin C, del Campo JM, Elamin E, Schaafsma JD, Willinsky RA, Agid R, Farb R, ter Brugge K, Sapkoda BL, Baxter BW, Barton K, Knox A, Porter A, Sirelkhatim A, Devlin T, Dellinger C, Pitiyanuvath N, Patterson J, Nichols J, Quarfordt S, Calvert J, Hawk H, Fanale C, Frei DF, Bitner A, Novak A, Huddle D, Bellon R, Loy D, Wagner J, Chang I, Lampe E, Spencer B, Pratt R, Bartt R, Shine S, Dooley G, Nguyen T, Whaley M, McCarthy K, Teitelbaum J, Tampieri D, Poon W, Campbell N, Cortes M, Dowlatshahi D, Lum C, Shamloul R, Robert S, Stotts G, Shamy M, Steffenhagen N, Blacquiere D, Hogan M, AlHazzaa M, Basir G, Lesiuk H, Iancu D, Santos M, Choe H, Weisman DC, Jonczak K, Blue-Schaller A, Shah Q, MacKenzie L, Klein B, Kulandaivel K, Kozak O, Gzesh DJ, Harris LJ, Khoury JS, Mandzia J, Pelz D, Crann S, Fleming L, Hesser K, Beauchamp B, Amato-Marzialli B, Boulton M, Lopez-Ojeda P, Sharma M, Lownie S, Chan R, Swartz R, Howard P, Golob D, Gladstone D, Boyle K, Boulos M, Hopyan J, Yang V, Da Costa L, Holmstedt CA, Turk AS, Navarro R, Jauch E, Ozark S, Turner R, Phillips S, Shankar J, Jarrett J, Gubitz G, Maloney W, Vandorpe R, Schmidt M, Heidenreich J, Hunter G, Kelly M, Whelan R, Peeling L, Burns PA, Hunter A, Wiggam I, Kerr E, Watt M, Fulton A, Gordon P, Rennie I, Flynn P, Smyth G, O'Leary S, Gentile N, Linares G, McNelis P, Erkmen K, Katz P, Azizi A, Weaver M, Jungreis C, Faro S, Shah P, Reimer H, Kalugdan V, Saposnik G, Bharatha A, Li Y, Kostyrko P, Santos M, Marotta T, Montanera W, Sarma D, Selchen D, Spears J, Heo JH, Jeong K, Kim DJ, Kim BM, Kim YD, Song D, Lee KJ, Yoo J, Bang OY, Rho S, Lee J, Jeon P, Kim KH, Cha J, Kim SJ, Ryoo S, Lee MJ, Sohn SI, Kim CH, Ryu HG, Hong JH, Chang HW, Lee CY, Rha J, Davis SM, Donnan GA, Campbell BCV, Mitchell PJ, Churilov L, Yan B, Dowling R, Yassi N, Oxley TJ, Wu TY, Silver G, McDonald A, McCoy R, Kleinig TJ, Scroop R, Dewey HM, Simpson M, Brooks M, Coulton B, Krause M, Harrington TJ, Steinfort B, Faulder K, Priglinger M, Day S, Phan T, Chong W, Holt M, Chandra RV, Ma H, Young D, Wong K, Wijeratne T, Tu H, Mackay E, Celestino S, Bladin CF, Loh PS, Gilligan A, Ross Z, Coote S, Frost T, Parsons MW, Miteff F, Levi CR, Ang T, Spratt N, Kaauwai L, Badve M, Rice H, de Villiers L, Barber PA, McGuinness B, Hope A, Moriarty M, Bennett P, Wong A, Coulthard A, Lee A, Jannes J, Field D, Sharma G, Salinas S, Cowley E, Snow B, Kolbe J, Stark R, King J, Macdonnell R, Attia J, D'Este C, Saver JL, Goyal M, Diener HC, Levy EI, Bonafé A, Mendes Pereira V, Jahan R, Albers GW, Cognard C, Cohen DJ, 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M, Grande A, Hildebrandt D, Miller K, Scherber J, Hendrickson A, Jumaa M, Zaidi S, Hendrickson T, Snyder V, Killer-Oberpfalzer M, Mutzenbach J, Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D. Imaging features and safety and efficacy of endovascular stroke treatment: a meta-analysis of individual patient-level data. Lancet Neurol 2018; 17:895-904. [DOI: 10.1016/s1474-4422(18)30242-4] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/11/2018] [Accepted: 06/12/2018] [Indexed: 11/29/2022]
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Kandasamy N, Venugopal T, Kannan K. Facile One-Pot Synthesis of Flower Like Cobalt Oxide Nanostructures on Nickel Plate and Its Supercapacitance Properties. J Nanosci Nanotechnol 2018; 18:3960-3968. [PMID: 29442732 DOI: 10.1166/jnn.2018.15187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A flower like cobalt oxide nanostructured thin film (Co2O3) on Nickel (Ni) plate as have been successfully developed via alcoholic Seed Layer assisted chemical bath Deposition (SLD) process. Through the controlled alkaline electrolytes, the flower and paddles like Co2O3 nanoarchitectures were formed. The prepared thin film was characterized by X-ray diffraction (XRD), scanning electron microscope with energy dispersive X-ray (SEM and EDX), Atomic Force Microscope (AFM), Raman spectroscopy techniques. Electron micrograph reveals the flower and paddles like nanostructured Co2O3 thin film deposited on Ni plates. The electrochemical characteristics were investigated using cyclic voltammetry (CV), charge-discharge and AC impedance spectroscopy in different aqueous electrolytes such as NaOH, KOH, and LiOH. The maximum specific capacitance of 856 Fg-1 was attained with 2 M KOH electrolyte with 2 mVs-1 of the Co2O3 thin film coated Ni plate at 80 °C using SLD method. The capacitance values obtained with various electrolytes are in the order of KOH > NaOH > LiOH. The results indicate that the present method is economical and the material is ecofriendly with enhanced capacitance property.
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Affiliation(s)
- N Kandasamy
- Department of Chemistry, Government College of Engineering, Salem 636011, Tamilnadu, India
| | - T Venugopal
- Department of Chemistry, Government College of Engineering, Salem 636011, Tamilnadu, India
| | - K Kannan
- Department of Chemistry, Government College of Engineering, Salem 636011, Tamilnadu, India
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Porter P, Armbruster K, Adams A, Billigan J, Oakley J, Ducruet A, Jadhav A, Giurgiutiu DV, Aghaebrahim A, Reddy V, Hammer M, Starr M, Totoraitis V, Wechsler L, Streib S, Rangaraju S, Campbell D, Rocha M, Gulati D, Silver FL, Krings T, Kalman L, Cayley A, Williams J, Stewart T, Wiegner R, Casaubon LK, Jaigobin C, del Campo JM, Elamin E, Schaafsma JD, Willinsky RA, Agid R, Farb R, ter Brugge K, Sapkoda BL, Baxter BW, Barton K, Knox A, Porter A, Sirelkhatim A, Devlin T, Dellinger C, Pitiyanuvath N, Patterson J, Nichols J, Quarfordt S, Calvert J, Hawk H, Fanale C, Frei DF, Bitner A, Novak A, Huddle D, Bellon R, Loy D, Wagner J, Chang I, Lampe E, Spencer B, Pratt R, Bartt R, Shine S, Dooley G, Nguyen T, Whaley M, McCarthy K, Teitelbaum J, Tampieri D, Poon W, Campbell N, Cortes M, Dowlatshahi D, Lum C, Shamloul R, Robert S, Stotts G, Shamy M, Steffenhagen N, Blacquiere D, Hogan M, AlHazzaa M, Basir G, Lesiuk H, Iancu D, Santos M, Choe H, Weisman DC, Jonczak K, Blue-Schaller A, Shah Q, MacKenzie L, Klein B, Kulandaivel K, Kozak O, Gzesh DJ, Harris LJ, Khoury JS, Mandzia J, Pelz D, Crann S, Fleming L, Hesser K, Beauchamp B, Amato-Marzialli B, Boulton M, Lopez- Ojeda P, Sharma M, Lownie S, Chan R, Swartz R, Howard P, Golob D, Gladstone D, Boyle K, Boulos M, Hopyan J, Yang V, Da Costa L, Holmstedt CA, Turk AS, Navarro R, Jauch E, Ozark S, Turner R, Phillips S, Shankar J, Jarrett J, Gubitz G, Maloney W, Vandorpe R, Schmidt M, Heidenreich J, Hunter G, Kelly M, Whelan R, Peeling L, Burns PA, Hunter A, Wiggam I, Kerr E, Watt M, Fulton A, Gordon P, Rennie I, Flynn P, Smyth G, O'Leary S, Gentile N, Linares G, McNelis P, Erkmen K, Katz P, Azizi A, Weaver M, Jungreis C, Faro S, Shah P, Reimer H, Kalugdan V, Saposnik G, Bharatha A, Li Y, Kostyrko P, Santos M, Marotta T, Montanera W, Sarma D, Selchen D, Spears J, Heo JH, Jeong K, Kim DJ, Kim BM, Kim YD, Song D, Lee KJ, Yoo J, Bang OY, Rho S, Lee J, Jeon P, Kim KH, Cha J, Kim SJ, Ryoo S, Lee MJ, Sohn SI, Kim CH, Ryu HG, Hong JH, Chang HW, Lee CY, Rha J, Davis SM, Donnan GA, Campbell BCV, Mitchell PJ, Churilov L, Yan B, Dowling R, Yassi N, Oxley TJ, Wu TY, Silver G, McDonald A, McCoy R, Kleinig TJ, Scroop R, Dewey HM, Simpson M, Brooks M, Coulton B, Krause M, Harrington TJ, Steinfort B, Faulder K, Priglinger M, Day S, Phan T, Chong W, Holt M, Chandra RV, Ma H, Young D, Wong K, Wijeratne T, Tu H, Mackay E, Celestino S, Bladin CF, Loh PS, Gilligan A, Ross Z, Coote S, Frost T, Parsons MW, Miteff F, Levi CR, Ang T, Spratt N, Kaauwai L, Badve M, Rice H, de Villiers L, Barber PA, McGuinness B, Hope A, Moriarty M, Bennett P, Wong A, Coulthard A, Lee A, Jannes J, Field D, Sharma G, Salinas S, Cowley E, Snow B, Kolbe J, Stark R, King J, Macdonnell R, Attia J, D'Este C, Saver JL, Goyal M, Diener HC, Levy EI, Bonafé A, Mendes Pereira V, Jahan R, Albers GW, Cognard C, Cohen DJ, Hacke W, Jansen O, Jovin TG, Mattle HP, Nogueira RG, Siddiqui AH, Yavagal DR, von Kummer R, Smith W, Turjman F, Hamilton S, Chiacchierini R, Amar A, Sanossian N, Loh Y, Devlin T, Baxter B, Hawk H, Sapkota B, Quarfordt S, Sirelkhatim A, Dellinger C, Barton K, Reddy VK, Ducruet A, Jadhav A, Horev A, Giurgiutiu DV, Totoraitis V, Hammer M, Jankowitz B, Wechsler L, Rocha M, Gulati D, Campbell D, Star M, Baxendell L, Oakley J, Siddiqui A, Hopkins LN, Snyder K, Sawyer R, Hall S, Costalat V, Riquelme C, Machi P, Omer E, Arquizan C, Mourand I, Charif M, Ayrignac X, Menjot de Champfleur N, Leboucq N, Gascou G, Moynier M, du Mesnil de Rochemont R, Singer O, Berkefeld J, Foerch C, Lorenz M, Pfeilschifer W, Hattingen E, Wagner M, You SJ, Lescher S, Braun H, Dehkharghani S, Belagaje SR, Anderson A, Lima A, Obideen M, Haussen D, Dharia R, Frankel M, Patel V, Owada K, Saad A, Amerson L, Horn C, Doppelheuer S, Schindler K, Lopes DK, Chen M, Moftakhar R, Anton C, Smreczak M, Carpenter JS, Boo S, Rai A, Roberts T, Tarabishy A, Gutmann L, Brooks C, Brick J, Domico J, Reimann G, Hinrichs K, Becker M, Heiss E, Selle C, Witteler A, Al-Boutros S, Danch MJ, Ranft A, Rohde S, Burg K, Weimar C, Zegarac V, Hartmann C, Schlamann M, Göricke S, Ringlestein A, Wanke I, Mönninghoff C, Dietzold M, Budzik R, Davis T, Eubank G, Hicks WJ, Pema P, Vora N, Mejilla J, Taylor M, Clark W, Rontal A, Fields J, Peterson B, Nesbit G, Lutsep H, Bozorgchami H, Priest R, Ologuntoye O, Barnwell S, Dogan A, Herrick K, Takahasi C, Beadell N, Brown B, Jamieson S, Hussain MS, Russman A, Hui F, Wisco D, Uchino K, Khawaja Z, Katzan I, Toth G, Cheng-Ching E, Bain M, Man S, Farrag A, George P, John S, Shankar L, Drofa A, Dahlgren R, Bauer A, Itreat A, Taqui A, Cerejo R, Richmond A, Ringleb P, Bendszus M, Möhlenbruch M, Reiff T, Amiri H, Purrucker J, Herweh C, Pham M, Menn O, Ludwig I, Acosta I, Villar C, Morgan W, Sombutmai C, Hellinger F, Allen E, Bellew M, Gandhi R, Bonwit E, Aly J, Ecker RD, Seder D, Morris J, Skaletsky M, Belden J, Baker C, Connolly LS, Papanagiotou P, Roth C, Kastrup A, Politi M, Brunner F, Alexandrou M, Merdivan H, Ramsey C, Given II C, Renfrow S, Deshmukh V, Sasadeusz K, Vincent F, Thiesing JT, Putnam J, Bhatt A, Kansara A, Caceves D, Lowenkopf T, Yanase L, Zurasky J, Dancer S, Freeman B, Scheibe-Mirek T, Robison J, Rontal A, Roll J, Clark D, Rodriguez M, Fitzsimmons BFM, Zaidat O, Lynch JR, Lazzaro M, Larson T, Padmore L, Das E, Farrow-Schmidt A, Hassan A, Tekle W, Cate C, Jansen O, Cnyrim C, Wodarg F, Wiese C, Binder A, Riedel C, Rohr A, Lang N, Laufs H, Krieter S, Remonda L, Diepers M, Añon J, Nedeltchev K, Kahles T, Biethahn S, Lindner M, Chang V, Gächter C, Esperon C, Guglielmetti M, Arenillas Lara JF, Martínez Galdámez M, Calleja Sanz AI, Cortijo Garcia E, Garcia Bermejo P, Perez S, Mulero Carrillo P, Crespo Vallejo E, Ruiz Piñero M, Lopez Mesonero L, Reyes Muñoz FJ, Brekenfeld C, Buhk JH, Krützelmann A, Thomalla G, Cheng B, Beck C, Hoppe J, Goebell E, Holst B, Grzyska U, Wortmann G, Starkman S, Duckwiler G, Jahan R, Rao N, Sheth S, Ng K, Noorian A, Szeder V, Nour M, McManus M, Huang J, Tarpley J, Tateshima S, Gonzalez N, Ali L, Liebeskind D, Hinman J, Calderon-Arnulphi M, Liang C, Guzy J, Koch S, DeSousa K, Gordon-Perue G, Haussen D, Elhammady M, Peterson E, Pandey V, Dharmadhikari S, Khandelwal P, Malik A, Pafford R, Gonzalez P, Ramdas K, Andersen G, Damgaard D, Von Weitzel-Mudersbach P, Simonsen C, Ruiz de Morales Ayudarte N, Poulsen M, Sørensen L, Karabegovich S, Hjørringgaard M, Hjort N, Harbo T, Sørensen K, Deshaies E, Padalino D, Swarnkar A, Latorre JG, Elnour E, El-Zammar Z, Villwock M, Farid H, Balgude A, Cross L, Hansen K, Holtmannspötter M, Kondziella D, Hoejgaard J, Taudorf S, Soendergaard H, Wagner A, Cronquist M, Stavngaard T, Cortsen M, Krarup LH, Hyldal T, Haring HP, Guggenberger S, Hamberger M, Trenkler J, Sonnberger M, Nussbaumer K, Dominger C, Bach E, Jagadeesan BD, Taylor R, Kim J, Shea K, Tummala R, Zacharatos H, Sandhu D, Ezzeddine M, Grande A, Hildebrandt D, Miller K, Scherber J, Hendrickson A, Jumaa M, Zaidi S, Hendrickson T, Snyder V, Killer-Oberpfalzer M, Mutzenbach J, Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D, Zech M, Kowarik M, Seifert C, Schwaiger B, Puri A, Hou S. Effect of general anaesthesia on functional outcome in patients with anterior circulation ischaemic stroke having endovascular thrombectomy versus standard care: a meta-analysis of individual patient data. Lancet Neurol 2018; 17:47-53. [DOI: 10.1016/s1474-4422(17)30407-6] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/05/2017] [Accepted: 10/11/2017] [Indexed: 10/18/2022]
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Yang SH, Hampton T, Kandasamy N, Hart J, Ashmore J, Walsh DC, Tolias CM, Booth TC. Outcome study of the pipeline embolization device for treatment of intracranial aneurysms at a single UK institution. Br J Neurosurg 2017; 31:661-667. [DOI: 10.1080/02688697.2017.1354121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Shih-Hung Yang
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Timothy Hampton
- Department of Neuroradiology, King’s College Hospital NHS Foundation Trust, London, UK
| | - Naga Kandasamy
- Department of Neuroradiology, King’s College Hospital NHS Foundation Trust, London, UK
| | - Jonathan Hart
- Department of Neuroradiology, King’s College Hospital NHS Foundation Trust, London, UK
| | - Jonathan Ashmore
- Department of Neuroradiology, King’s College Hospital NHS Foundation Trust, London, UK
| | - Daniel C. Walsh
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London, UK
| | - Christos M. Tolias
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London, UK
| | - Thomas C. Booth
- Department of Neuroradiology, King’s College Hospital NHS Foundation Trust, London, UK
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Martino D, Melzi V, Franco G, Kandasamy N, Monfrini E, Di Fonzo A. Juvenile dystonia-parkinsonism syndrome caused by a novel p.S941Tfs1X ATP13A2 (PARK9) mutation. Parkinsonism Relat Disord 2015; 21:1378-80. [DOI: 10.1016/j.parkreldis.2015.09.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 09/14/2015] [Accepted: 09/18/2015] [Indexed: 10/23/2022]
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Annamalai AK, Powlson AS, Kandasamy N, Lodge K, Graggaber J, Halsall DJ, Antoun NM, Cheow HK, Buttery PC, George E, Griffiths M, Price SJ, Pickard JD, Sivasothy P, Gurnell M. Hypopituitarism, pulmonary infiltration and a spontaneously resolving occipital mass. QJM 2015; 108:147-9. [PMID: 22855287 DOI: 10.1093/qjmed/hcs137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- A K Annamalai
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - A S Powlson
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - N Kandasamy
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - K Lodge
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - J Graggaber
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - D J Halsall
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - N M Antoun
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - H K Cheow
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - P C Buttery
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - E George
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - M Griffiths
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - S J Price
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - J D Pickard
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - P Sivasothy
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
| | - M Gurnell
- From the Metabolic Research Laboratories, Institute of Metabolic Science, Departments of Respiratory Medicine, Clinical Biochemistry, Radiology, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, Department of Neurology, Department of Endocrinology, Queen Elizabeth Hospital, Kings Lynn, Histopathology and Neurosurgery, University of Cambridge and National Institute of Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK
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Sztriha LK, Cusack U, Kandasamy N, Jarosz J, Kalra L. Determinants of mismatch in acute ischaemic stroke. J Neurol Sci 2013; 334:10-3. [DOI: 10.1016/j.jns.2013.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2013] [Revised: 07/03/2013] [Accepted: 07/08/2013] [Indexed: 11/26/2022]
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Popov S, Jury A, Laxton R, Doey L, Kandasamy N, Al-Sarraj S, Jürgensmeier JM, Jones C. IDH1-associated primary glioblastoma in young adults displays differential patterns of tumour and vascular morphology. PLoS One 2013; 8:e56328. [PMID: 23451042 PMCID: PMC3579823 DOI: 10.1371/journal.pone.0056328] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [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: 10/04/2012] [Accepted: 01/08/2013] [Indexed: 01/18/2023] Open
Abstract
Glioblastoma is a highly aggressive tumour with marked heterogeneity at the morphological level in both the tumour cells and the associated highly prominent vasculature. As we begin to develop an increased biological insight into the underlying processes driving the disease, fewer attempts have thus far been made to understand these phenotypic differences. We sought to address this by carefully assessing the morphological characteristics of both the tumour cells and the associated vasculature, relating these observations to the IDH1/MGMT status, with a particular focus on the early onset population of young adults who develop primary glioblastoma. 276 primary glioblastoma specimens were classified into their predominant cell morphological type (fibrillary, gemistocytic, giant cell, small cell, oligodendroglial, sarcomatous), and assessed for specific tumour (cellularity, necrosis, palisades) and vascular features (glomeruloid structures, arcades, pericyte proliferation). IDH1 positive glioblastomas were associated with a younger age at diagnosis, better clinical outcome, prominent oligodendroglial and small cell tumour cell morphology, pallisading necrosis and glomeruloid vascular proliferation in the absence of arcade-like structures. These features widen the phenotype of IDH1 mutation-positive primary glioblastoma in young adults and provide correlative evidence for a functional role of mutant IDH1 in the differential nature of neo-angiogenesis in different subtypes of glioblastoma.
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Affiliation(s)
- Sergey Popov
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
- Division of Cancer Therapeutics, The Institute of Cancer Research, Sutton, United Kingdom
| | - Alexa Jury
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
- Division of Cancer Therapeutics, The Institute of Cancer Research, Sutton, United Kingdom
| | - Ross Laxton
- Department of Neuropathology, King’s College Hospital, London, United Kingdom
| | - Lawrence Doey
- Department of Neuropathology, King’s College Hospital, London, United Kingdom
| | - Naga Kandasamy
- Department of Neuroradiology, King’s College Hospital, London, United Kingdom
| | - Safa Al-Sarraj
- Department of Neuropathology, King’s College Hospital, London, United Kingdom
| | | | - Chris Jones
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
- Division of Cancer Therapeutics, The Institute of Cancer Research, Sutton, United Kingdom
- * E-mail:
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Annamalai AK, Dean AF, Kandasamy N, Kovacs K, Burton H, Halsall DJ, Shaw AS, Antoun NM, Cheow HK, Kirollos RW, Pickard JD, Simpson HL, Jefferies SJ, Burnet NG, Gurnell M. Temozolomide responsiveness in aggressive corticotroph tumours: a case report and review of the literature. Pituitary 2012; 15:276-87. [PMID: 22076588 DOI: 10.1007/s11102-011-0363-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Pituitary carcinoma occurs in ~0.2% of resected pituitary tumours and carries a poor prognosis (mean survival <4 years), with standard chemotherapy regimens showing limited efficacy. Recent evidence suggests that temozolomide (TMZ), an orally-active alkylating agent used principally in the management of glioblastoma, may also be effective in controlling aggressive/invasive pituitary adenomas/carcinomas. A low level of expression of the DNA-repair enzyme O6-methylguanine-DNA methyltransferase (MGMT) predicts TMZ responsiveness in glioblastomas, and a similar correlation has been observed in the majority of aggressive pituitary adenomas/carcinomas reported to date. Here, we report a case of a silent pituitary corticotroph adenoma, which subsequently re-presented with Cushing's syndrome due to functioning hepatic metastases. The tumour exhibited low immunohistochemical MGMT expression in both primary (pituitary) and secondary (hepatic) lesions. Initial TMZ therapy (200 mg/m² for 5 days every 28 days-seven cycles) resulted in marked clinical, biochemical [>50% fall in adrenocorticotrophic hormone (ACTH)] and radiological [partial RECIST (response evaluation criteria in solid tumors) response] improvements. The patient then underwent bilateral adrenalectomy. However, despite reintroduction of TMZ therapy (further eight cycles) ACTH levels plateaued and no further radiological regression was observed. We review the existing literature reporting TMZ efficacy in pituitary corticotroph tumours, and highlight the pointers/lessons for treating aggressive pituitary neoplasia that can be drawn from experience of susceptibility and evolving resistance to TMZ therapy in glioblastoma. Possible strategies for mitigating resistance developing during TMZ treatment of pituitary adenomas/carcinomas are also considered.
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Affiliation(s)
- A K Annamalai
- Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge & Addenbrooke's Hospital, Hills Road, Cambridge, CB2 0QQ, UK
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Mannion R, Donnelly N, Pickard J, Patel P, Tysome J, Kirollos R, Kandasamy N, Koulouri O, Powlson A, Cheou H, Hoole A, Antoun N, Burnet N, Gurnell M. Using MRI and Functional Imaging to Identify Metabolically Active Residual Pituitary Tumor in Patients with Acromegaly. Skull Base Surg 2012. [DOI: 10.1055/s-0032-1314061] [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]
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Harris R, Olding C, Lacey C, Bentley R, Schulte KM, Lewis D, Kandasamy N, Oakley R. Changing incidence and management of penetrating neck injuries in the South East London trauma centre. Ann R Coll Surg Engl 2012; 94:240-4. [PMID: 22613301 PMCID: PMC3957502 DOI: 10.1308/003588412x13171221590052] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2012] [Indexed: 12/01/2022] Open
Abstract
INTRODUCTION A total of 17 cases of penetrating neck injury were managed by the otolaryngology team at King's College Hospital over a 3-year period in the 1980s. In April 2010 King's College Hospital became the major trauma centre for South East London. This prospective cohort study compares the incidence, changing demographic features and treatment outcomes of penetrating neck trauma in South East London over the previous 23 years. METHODS Data were collected over a 12-month period (April 2010 to March 2011) and a selective management protocol was introduced to standardise initial investigations and further treatment. RESULTS The past 23 years have seen a 550% increase in the incidence of penetrating neck injuries in South East London, with a marked increase in gun crime. Only 38% of cases underwent negative neck exploration in 2011 compared with 65% in 1987. Selective conservative management based on the absence of haemodynamic instability or radiological findings reduces length of hospital stay, lightens surgical workload and cuts costs without affecting morbidity or mortality. CONCLUSIONS The increased incidence of penetrating neck injury is a reflection of more interpersonal violence rather than a consequence of the larger South East London trauma centre catchment area. Tackling this problem requires focus on wider issues of community prevention. Sharing of data between the four London trauma centres and the police is needed to help prevent interpersonal violence and develop a universal treatment algorithm for other institutions to follow.
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Affiliation(s)
- R Harris
- ENT Department, Whipps Cross University Hospital NHS Foundation Trust, London, UK.
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Kandasamy N, Annamalai AK, Antoun N, Gurnell M. Hypotension, polyuria and a cardiac arrest. QJM 2011; 104:437-8. [PMID: 20601382 DOI: 10.1093/qjmed/hcq106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- N Kandasamy
- University of Cambridge, Metabolic Research Laboratories, Level 4, Institute of Metabolic Science, Box 289, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
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Annamalai AK, Mankia S, Kandasamy N, Donald S, Adler AI. Continuous subcutaneous insulin usage in a patient with no gut. Diabet Med 2010; 27:364-6. [PMID: 20536503 DOI: 10.1111/j.1464-5491.2010.02927.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Sagedy C, Kandasamy N, Sharp G. SU-FF-I-98: Accelerating B-Spline Registration Using Graphics Processing Units. Med Phys 2009. [DOI: 10.1118/1.3181218] [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: 11/07/2022] Open
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Sharp G, Wu Z, Kandasamy N. SU-GG-I-104: A Data Structure for B-Spline Registration. Med Phys 2008. [DOI: 10.1118/1.2961502] [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: 11/07/2022] Open
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Sharp GC, Kandasamy N, Singh H, Folkert M. GPU-based streaming architectures for fast cone-beam CT image reconstruction and demons deformable registration. Phys Med Biol 2007; 52:5771-83. [PMID: 17881799 DOI: 10.1088/0031-9155/52/19/003] [Citation(s) in RCA: 155] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
This paper shows how to significantly accelerate cone-beam CT reconstruction and 3D deformable image registration using the stream-processing model. We describe data-parallel designs for the Feldkamp, Davis and Kress (FDK) reconstruction algorithm, and the demons deformable registration algorithm, suitable for use on a commodity graphics processing unit. The streaming versions of these algorithms are implemented using the Brook programming environment and executed on an NVidia 8800 GPU. Performance results using CT data of a preserved swine lung indicate that the GPU-based implementations of the FDK and demons algorithms achieve a substantial speedup--up to 80 times for FDK and 70 times for demons when compared to an optimized reference implementation on a 2.8 GHz Intel processor. In addition, the accuracy of the GPU-based implementations was found to be excellent. Compared with CPU-based implementations, the RMS differences were less than 0.1 Hounsfield unit for reconstruction and less than 0.1 mm for deformable registration.
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Affiliation(s)
- G C Sharp
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, MA 02114, USA
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Singh H, Kandasamy N, Folkert M, Sharp G. TH-D-L100J-06: Streaming Architectures for Cone-Beam CT Image Reconstruction and Deformable Registration. Med Phys 2007. [DOI: 10.1118/1.2761696] [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: 11/07/2022] Open
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Abstract
This paper reports the milk protein polymorphism, the allele frequencies of variants and the possible linkages among various combinations of milk protein phenotypes in the Kangayam cattle of south India. Milk samples from 156 Kangayam cows were typed by starch gel and polyacrylamide gel electrophoresis for caseins and whey proteins, respectively. All the four milk protein components studied, alpha(s)1-casein. beta-casein, beta-lactoglobulin and alpha-lactalbumin, exhibited polymorphism with high allele frequencies of 0.9231 +/- 0.0151 for alpha(s)1-casein C, 0.9263 +/- 0.0148 for beta-casein A, 0.9135 +/- 0.0159 for beta-lactoglobulin B and a relatively high frequency of 0.6218 +/- 0.0275 for alpha-lactalbumin A. The mean heterozygosity estimated over all the four milk protein loci was 0.2420. Genetic equilibrium was observed among all the loci studied, except alpha-lactalbumin. Linkage analysis confirmed the non-independence between alpha(s)1- and beta-caseins and between caseins and alpha-lactalbumin phenotypes.
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Affiliation(s)
- V Jeichitra
- Department of Animal Genetics, Veterinary College and Research Institute, Namakkal 637 001, Tamil Nadu, India
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Mehta BS, Kandasamy N, Arora CL. Adult body weight of indigenous and crossbred ewes under semi-arid conditions in India. Trop Anim Health Prod 1979; 11:227-30. [PMID: 552673 DOI: 10.1007/bf02237809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Data on adult body weight of ewes belonging to Nali, Chokla breeds and their crosses (F1) with Rambouillet and Soviet Merino raised under semi-arid conditions in India were analysed. The ewes belonged to 5 distinct age groups ranging from 16.5 to 64 months. Nali and Chokla were significant lighter than all the 4 crossbred groups. There were no significant differences in body weight between crossbred groups except in the case of Soviet Merino x Chokla group which was the lightest and differed significantly from all other groups. Rambouillet crosses were heavier than Merino crosses but the difference was statistically significant only on Rambouillet x Chokla and Merino x Chokla. The improvement in body weight in crossbreds over native sheep ranged between 9.3 and 21.88%. The increase in live weight was significant only up to 49 months.
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Pant KP, Kandasamy N, Arora AL. Studies on the duration of pregnancy in relation to size of lamb at birth in indigenous and cross-bred sheep. Indian Vet J 1979; 56:855-8. [PMID: 575354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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