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Mousa A, Arshad H, Kakhktsyan T, Rashid MH, Patel J, Desai H. Prosthetic Aortic Valve Obstruction With Pannus Formation, an Approach for Diagnosis and Management: A Case Report. Cureus 2023; 15:e40416. [PMID: 37456415 PMCID: PMC10348070 DOI: 10.7759/cureus.40416] [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: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Mechanical valve obstructions are critical medical and surgical emergencies that require immediate attention when patients present with new complaints and exhibit signs such as the onset of murmurs or the disappearance of mechanical valve clicks. Obstructions can arise from various causes, including pannus formation, thrombus, vegetations, or subvalvular tissue growth. While pannus formations have been previously reported for the mitral valve, they are less commonly observed in the aortic valve, and several hypotheses have been proposed to understand pannus formation. Accurate diagnosis relies on imaging techniques such as echocardiography and fluoroscopy, and surgical intervention is considered the optimal treatment approach. Here, we present the case of a 69-year-old female who had previously undergone aortic valve replacement and subsequently developed progressive dyspnea, fatigue, and a new onset murmur. Imaging modalities revealed a closed leaflet and a high transvalvular gradient over the valve. The patient underwent a prosthetic redo valve replacement, and post-surgery, she was discharged home without complications.
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Affiliation(s)
- Aliaa Mousa
- Internal Medicine, Capital Health Regional Medical Center, Trenton, USA
| | - Hassaan Arshad
- Internal Medicine, Capital Health Regional Medical Center, Trenton, USA
| | - Tigran Kakhktsyan
- Internal Medicine, Capital Health Regional Medical Center, Trenton, USA
| | - Muhammad Humayoun Rashid
- Internal Medicine, Capital Health Regional Medical Center, Trenton, USA
- Internal Medicine, Nishtar Medical University, Multan, PAK
| | - Jigar Patel
- Cardiovascular Medicine, Capital Health Regional Medical Center, Trenton, USA
| | - Harit Desai
- Cardiovascular Medicine, Capital Health Regional Medical Center, Trenton, USA
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K, Garrod R, Makia F, Eldeeb F, Abdekader R, Gomaa A, Kandasamy S, Maruthanayagam R, Nadar SK, Nakad G, Nair R, Mota P, Prior P, Mcdonald S, Rand J, Schumacher N, Abraheem A, Clark M, Coulding M, Qamar N, Turner V, Negahban AQ, Crew A, Hope S, Howson J, Jones S, Lancaster N, Nicholson A, Wray G, Donnelly P, Gierlotka M, Hammond L, Hammond S, Regan S, Watkin R, Papadopoulos C, Ludman P, Hutton K, Macdonald S, Nilsson A, Roberts S, Monteiro S, Garg S, Balachandran K, Mcdonald J, Singh R, Marsden K, Davies K, Desai H, Goddard W, Iqbal N, Chalil S, Dan GA, Galasko G, Assaf O, Benham L, Brown J, Collins S, Fleming C, Glen J, Mitchell M, Preston S, Uttley A, Radovanovic M, Lindsay S, Akhtar N, Atkinson C, Vinod M, Wilson A, Clifford P, Firoozan S, Yashoman M, Bowers N, Chaplin J, Reznik EV, Harvey S, Kononen M, Lopesdesousa G, Saraiva F, Sharma S, Cruddas E, Law J, Young E, Hoye A, Harper P, Balghith M, Rowe K, Been M, Cummins H, French E, Gibson C, Abraham JA, Hobson S, Kay A, Kent M, Wilkinson A, Mohamed A, Clark S, Duncan L, Ahmed IM, Khatiwada D, Mccarrick A, Wanda I, Read P, Afsar A, Rivers V, Theobald T, Cercek M, Bell S, Buckman C, Francis R, Peters G, Stables R, Morgan M, Noorzadeh M, Taylor B, Twiss S, Widdows P, Brozmannová D, Wilkinson V, Black M, Clark A, Clarkson N, Currie J, George L, Mcgee C, Izzat L, Lewis T, Omar Z, Aytekin V, Phillips S, Ahmed F, Mackie S, Oommen A, Phillips H, Sherwood M, Aleti S, Charles T, Jose M, Kolakaluri L, Ingabire P, Karoudi RA, Deery J, Hazelton T, Knight A, Price C, Turney S, Kardos A, Williams F, Wren L, Bega G, Alyavi B, Scaletta D, Kunadian V, Cullen K, Jones S, Kirkup E, Ripley DP, Matthews IG, Mcleod A, Runnett C, Thomas HE, Cartasegna L, Gunarathne A, Burton J, King R, Quinn J, Sobolewska J, Munt S, Porter J, Christenssen V, Leng K, Peachey T, Gomez VN, Temple N, Wells K, Viswanathan G, Taneja A, Cann E, Eglinton C, Hyams B, Jones E, Reed F, Smith J, Beltrano C, Affleck DC, Turner A, Ward T, Wilmshurst N, Stirrup J, 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Al-Mashari S, Al-Riyami H, Laghari AH, Faheem O, Ahmed SW, Qamar N, Furnaz S, Kazmi K, Saghir T, Aneel A, Asim A, Madiha F, Sobkowicz B, Tycinska A, Kazimierczyk E, Szyszkowska A, Mizia-Stec K, Wybraniec M, Bednarek A, Glowacki K, Prokopczuk J, Babinski W, Blachut A, Kosiak M, Kusinska A, Samborski S, Stachura J, Szastok H, Wester A, Bartoszewska D, Sosnowska-Pasiarska B, Krzysiek M, Legutko J, Nawrotek B, Kasprzak JD, Klosinska M, Wiklo K, Kurpesa M, Rechcinski T, Cieslik-Guerra U, Gierlotka M, Bugajski J, Feusette P, Sacha J, Przybylo P, Krzesinski P, Ryczek R, Karasek A, Kazmierczak-Dziuk A, Mielniczuk M, Betkier-Lipinska K, Roik M, Labyk A, Krakowian M, Machowski M, Paczynska M, Potepa M, Pruszczyk P, Budaj A, Ambroziak M, Omelanczuk-Wiech E, Torun A, Opolski G, Glowczynska R, Fojt A, Kowalik R, Huczek Z, Jedrzejczyk S, Roleder T, Brust K, Gasior M, Desperak P, Hawranek M, Farto-Abreu P, Santos M, Baptista S, Brizida L, Faria D, Loureiro J, Magno P, Monteiro C, Nédio M, Tavares J, Sousa C, Almeida I, Almeida S, Miranda H, Santos H, Santos AP, Goncalves L, Monteiro S, Baptista R, Ferreira C, Ferreira J, Goncalves F, Lourenço C, Monteiro P, Picarra B, Santos AR, Guerreiro RA, Carias M, Carrington M, Pais J, de Figueiredo MP, Rocha AR, Mimoso J, De Jesus I, Fernandes R, Guedes J, Mota T, Mendes M, Ferreira J, Tralhão A, Aguiar CT, Strong C, Da Gama FF, Pais G, Timóteo AT, Rosa SAO, Mano T, Reis J, Selas M, Mendes DE, Satendra M, Pinto P, Queirós C, Oliveira I, Reis L, Cruz I, Fernandes R, Torres S, Luz A, Campinas A, Costa R, Frias A, Oliveira M, Martins V, Castilho B, Coelho C, Moura AR, Cotrim N, Dos Santos RC, Custodio P, Duarte R, Gomes R, Matias F, Mendonca C, Neiva J, Rabacal C, Almeida AR, Caeiro D, Queiroz P, Silva G, Pop-Moldovan AL, Darabantiu D, Mercea S, Dan GA, Dan AR, Dobranici M, Popescu RA, Adam C, Sinescu CJ, Andrei CL, Brezeanu R, Samoila N, Baluta MM, Pop D, Tomoaia R, Istratoaie O, Donoiu I, Cojocaru A, Oprita OC, Rocsoreanu A, Grecu M, Ailoaei 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Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Lakis E, P.Jacob S, Desai H, Dezhong Y. P12-29 Establishment of 3D neurosphere cultures from human iPSC-derived neural progenitor cells. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.508] [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: 10/14/2022]
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Pavlovic-Kleut M, Celic V, Pavlovic M, Petrovic M, Vuleta M, Petrovic N, Simovic S, Savovic Z, Milanov S, Davidovic G, Iric-Cupic V, Simonovic D, Stojanovic M, Stojanovic S, Mitic V, Ilic V, Petrovic D, Deljanin Ilic M, Ilic S, Stoickov V, Markovic S, Kovacevic S, García Fernandez A, Perez Cabeza A, Anguita M, Tercedor Sanchez L, Mau E, Loayssa J, Ayarra M, Carpintero M, Roldán Rabadan I, Leal M, Gil Ortega M, Tello Montoliu A, Orenes Piñero E, Manzano Fernández S, Marín F, Romero Aniorte A, Veliz Martínez A, Quintana Giner M, Ballesteros G, Palacio M, Alcalde O, García-Bolao I, Bertomeu Gonzalez V, Otero-Raviña F, García Seara J, Gonzalez Juanatey J, Dayal N, Maziarski P, Gentil-Baron P, Shah D, Koç M, Onrat E, Dural IE, Yilmaz K, Özin B, Tan Kurklu S, Atmaca Y, Canpolat U, Tokgozoglu L, Dolu AK, Demirtas B, Sahin D, Ozcan Celebi O, Diker E, Gagirci G, Turk UO, Ari H, Polat N, Toprak N, Sucu M, Akin Serdar O, Taha Alper A, Kepez A, Yuksel Y, Uzunselvi A, Yuksel S, Sahin M, Kayapinar O, Ozcan T, Kaya H, Yilmaz MB, Kutlu M, Demir M, Gibbs C, Kaminskiene S, Bryce M, Skinner A, Belcher G, Hunt J, Stancombe L, Holbrook B, Peters C, Tettersell S, Shantsila A, Lane D, Senoo K, Proietti M, Russell K, Domingos P, Hussain S, Partridge J, Haynes R, Bahadur S, Brown R, McMahon S, Y H Lip G, McDonald J, Balachandran K, Singh R, Garg S, Desai H, Davies K, Goddard W, Galasko G, Rahman I, Chua Y, Payne O, Preston S, Brennan O, Pedley L, Whiteside C, Dickinson C, Brown J, Jones K, Benham L, Brady R, Buchanan L, Ashton A, Crowther H, Fairlamb H, Thornthwaite S, Relph C, McSkeane A, Poultney U, Kelsall N, Rice P, Wilson T, Wrigley M, Kaba R, Patel T, Young E, Law J, Runnett C, Thomas H, McKie H, Fuller J, Pick S, Sharp A, Hunt A, Thorpe K, Hardman C, Cusack E, Adams L, Hough M, Keenan S, Bowring A, Watts J, Zaman J, Goffin K, Nutt H, Beerachee Y, Featherstone J, Mills C, Pearson J, Stephenson L, Grant S, Wilson A, Hawksworth C, Alam I, Robinson M, Ryan S, Egdell R, Gibson E, Holland M, Leonard D, Mishra B, Ahmad S, Randall H, Hill J, Reid L, George M, McKinley S, Brockway L, Milligan W, Sobolewska J, Muir J, Tuckis L, Winstanley L, Jacob P, Kaye S, Morby L, Jan A, Sewell T, Boos C, Wadams B, Cope C, Jefferey P, Andrews N, Getty A, Suttling A, Turner C, Hudson K, Austin R, Howe S, Iqbal R, Gandhi N, Brophy K, Mirza P, Willard E, Collins S, Ndlovu N, Subkovas E, Karthikeyan V, Waggett L, Wood A, Bolger A, Stockport J, Evans L, Harman E, Starling J, Williams L, Saul V, Sinha M, Bell L, Tudgay S, Kemp S, Brown J, Frost L, Ingram T, Loughlin A, Adams C, Adams M, Hurford F, Owen C, Miller C, Donaldson D, Tivenan H, Button H, Nasser A, Jhagra O, Stidolph B, Brown C, Livingstone C, Duffy M, Madgwick P, Roberts P, Greenwood E, Fletcher L, Beveridge M, Earles S, McKenzie D, Beacock D, Dayer M, Seddon M, Greenwell D, Luxton F, Venn F, Mills H, Rewbury J, James K, Roberts K, Tonks L, Felmeden D, Taggu W, Summerhayes A, Hughes D, Sutton J, Felmeden L, Khan M, Walker E, Norris L, O’Donohoe L, Mozid A, Dymond H, Lloyd-Jones H, Saunders G, Simmons D, Coles D, Cotterill D, Beech S, Kidd S, Wrigley B, Petkar S, Smallwood A, Jones R, Radford E, Milgate S, Metherell S, Cottam V, Buckley C, Broadley A, Wood D, Allison J, Rennie K, Balian L, Howard L, Pippard L, Board S, Pitt-Kerby T. Epidemiology and impact of frailty in patients with atrial fibrillation in Europe. Age Ageing 2022; 51:6670566. [PMID: 35997262 DOI: 10.1093/ageing/afac192] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Frailty is a medical syndrome characterised by reduced physiological reserve and increased vulnerability to stressors. Data regarding the relationship between frailty and atrial fibrillation (AF) are still inconsistent. OBJECTIVES We aim to perform a comprehensive evaluation of frailty in a large European cohort of AF patients. METHODS A 40-item frailty index (FI) was built according to the accumulation of deficits model in the AF patients enrolled in the ESC-EHRA EORP-AF General Long-Term Registry. Association of baseline characteristics, clinical management, quality of life, healthcare resources use and risk of outcomes with frailty was examined. RESULTS Among 10,177 patients [mean age (standard deviation) 69.0 (11.4) years, 4,103 (40.3%) females], 6,066 (59.6%) were pre-frail and 2,172 (21.3%) were frail, whereas only 1,939 (19.1%) were considered robust. Baseline thromboembolic and bleeding risks were independently associated with increasing FI. Frail patients with AF were less likely to be treated with oral anticoagulants (OACs) (odds ratio 0.70, 95% confidence interval 0.55-0.89), especially with non-vitamin K antagonist OACs and managed with a rhythm control strategy, compared with robust patients. Increasing frailty was associated with a higher risk for all outcomes examined, with a non-linear exponential relationship. The use of OAC was associated with a lower risk of outcomes, except in patients with very/extremely high frailty. CONCLUSIONS In this large cohort of AF patients, there was a high burden of frailty, influencing clinical management and risk of adverse outcomes. The clinical benefit of OAC is maintained in patients with high frailty, but not in very high/extremely frail ones.
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Affiliation(s)
- Marco Proietti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giulio Francesco Romiti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Translational and Precision Medicine, Sapienza - University of Rome, Italy
| | - Marco Vitolo
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Stephanie L Harrison
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau, Tours, France
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, University of Murcia, CIBER-CV, Murcia, Spain
| | - Michael Näbauer
- Department of Cardiology, Ludwig-Maximilians-University, Munich, Germany
| | - Tatjana S Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia.,Clinical Center of Serbia, Belgrade, Serbia
| | - Gheorghe-Andrei Dan
- University of Medicine, 'Carol Davila', Colentina University Hospital, Bucharest, Romania
| | - Aldo P Maggioni
- ANMCO Research Center, Heart Care Foundation, Florence, Italy
| | - Matteo Cesari
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Easby S, Hackney E, Ho B, Imam SZ, Rammell J, Andrews H, Perry C, Schinle P, Ahmed P, Aquilina T, Balai E, Church M, Cumber E, Curtis A, Davies G, Dennis Y, Dumann E, Greenhalgh S, Kim P, King S, Metcalfe KHM, Passby L, Redgrave N, Soonawalla Z, Waters S, Zornoza A, Gulzar I, Hole J, Hull K, Ishaq H, Karaj J, Kelkar A, Love E, Patel S, Thakrar D, Vine M, Waterman A, Dib NP, Francis N, Hanson M, Ingleton R, Sadanand KS, Sukirthan N, Arnell S, Ball M, Bassam N, Beghal G, Chang A, Dawe V, George A, Huq T, Hussain A, Ikram B, Kanapeckaite L, Khan M, Ramjas D, Rushd A, Sait S, Serry M, Yardimci E, Capella S, Chenciner L, Episkopos C, Karam E, McCarthy C, Moore-Kelly W, Watson N, Ahluwalia V, Barnfield J, Ben-Gal O, Bloom I, Gharatya A, Khodatars K, Merchant N, Moonan A, Moore M, Patel K, Spiers H, Sundaram K, Turner J, Bath MF, Black J, Chadwick H, Huisman L, Ingram H, Khan S, Martin L, Metcalfe M, Sangal P, Seehra J, Thatcher A, Venturini S, Whitcroft I, Afzal Z, Brown S, Gani A, Gomaa A, Hussein N, Oh SY, Pazhaniappan N, Sharkey E, Sivagnanasithiyar T, Williams C, Yeung J, Cruddas L, Gurjar S, Pau A, Prakash R, Randhawa R, Chen L, Eiben I, Naylor M, Osei-Bordom D, Trenear R, Bannard-Smith J, Griffiths N, Patel BY, Saeed F, Abdikadir H, Bennett M, Church R, Clements SE, Court J, Delvi A, Hubert J, Macdonald B, Mansour F, Patel RR, Perris R, Small S, Betts A, Brown N, Chong A, Croitoru C, Grey A, Hickland P, Ho C, Hollington D, McKie L, Nelson AR, Stewart H, Eiben P, Nedham M, Ali I, Brown T, Cumming S, Hunt C, Joyner C, McAlinden C, Roberts J, Rogers D, Thachettu A, Tyson N, Vaughan R, Verma N, Yasin T, Andrew K, Bhamra N, Leong S, Mistry R, Noble H, Rashed F, Walker NR, Watson L, Worsfold M, Yarham E, Abdikadir H, Arshad A, Barmayehvar B, Cato L, Chan-lam N, Do V, Leong A, Sheikh Z, Zheleniakova T, Coppel J, Hussain ST, Mahmood R, Nourzaie R, Prowle J, Sheik-Ali S, Thomas A, Alagappan A, Ashour R, Bains H, Diamond J, Gordon J, Ibrahim B, Khalil M, Mittapalli D, Neo YN, Patil P, Peck FS, Reza N, Swan I, Whyte M, Chaudhry S, Hernon J, Khawar H, O'Brien J, Pullinger M, Rothnie K, Ujjal S, Bhatte S, Curtis J, Green S, Mayer A, Watkinson G, Chapple K, Hawthorne T, Khaliq M, Majkowski L, Malik TAM, Mclauchlan K, En BNW, Parton S, Robinson SD, Saat MI, Shurovi BN, Varatharasasingam K, Ward AE, Behranwala K, Bertelli M, Cohen J, Duff F, Fafemi O, Gupta R, Manimaran M, Mayhew J, Peprah D, Wong MHY, Farmer N, Houghton C, Kandhari N, Khan K, Ladha D, Mayes J, McLennan F, Panahi P, Seehra H, Agrawal R, Ahmed I, Ali S, Birkinshaw F, Choudhry M, Gokani S, Harrogate S, Jamal S, Nawrozzadeh F, Swaray A, Szczap A, Warusavitarne J, Abdalla M, Asemota N, Cullum R, Hartley M, Maxwell-Armstrong C, Mulvenna C, Phillips J, Yule A, Ahmed L, Clement KD, Craig N, Elseedawy E, Gorman D, Kane L, Livie J, Livie V, Moss E, Naasan A, Ravi F, Shields P, Zhu Y, Archer M, Cobley H, Dennis R, Downes C, Guevel B, Lamptey E, Murray H, Radhakrishnan A, Saravanabavan S, Sardar M, Shaw C, Tilliridou V, Wright R, Ye W, Alturki N, Helliwell R, Jones E, Kelly D, Lambotharan S, Scott K, Sivakumar R, Victor L, Boraluwe-Rallage H, Froggatt P, Haynes S, Hung YMA, Keyte A, Matthews L, Evans E, Haray P, John I, Mathivanan A, Morgan L, Oji O, Okorocha C, Rutherford A, Spiers H, Stageman N, Tsui A, Whitham R, Amoah-Arko A, Cecil E, Dietrich A, Fitzpatrick H, Guy C, Hair J, Hilton J, Jawad L, McAleer E, Taylor Z, Yap J, Akhbari M, Debnath D, Dhir T, Elbuzidi M, Elsaddig M, Glace S, Khawaja H, Koshy R, Lal K, Lobo L, McDermott A, Meredith J, Qamar MA, Vaidya A, Acquaah F, Barfi L, Carter N, Gnanappiragasam D, Ji C, Kaminski F, Lawday S, Mackay K, Sulaiman SK, Webb R, Ananthavarathan P, Dalal F, Farrar E, Hashemi R, Hossain M, Jiang J, Kiandee M, Lex J, Mason L, Matthews JH, McGeorge E, Modhwadia S, Pinkney T, Radotra A, Rickard L, Rodman L, Sales A, Tan KL, Bachi A, Bajwa DS, Battle J, Brown LR, Butler A, Calciu A, Davies E, Gardner I, Girdlestone T, Ikogho O, Keelan G, O'Loughlin P, Tam J, Elias J, Ngaage M, Thompson J, Bristow S, Brock E, Davis H, Pantelidou M, Sathiyakeerthy A, Singh K, Chaudhry A, Dickson G, Glen P, Gregoriou K, Hamid H, Mclean A, Mehtaji P, Neophytou G, Potts S, Belgaid DR, Burke J, Durno J, Ghailan N, Hanson M, Henshaw V, Nazir UR, Omar I, Riley BJ, Roberts J, Smart G, Van Winsen K, Bhatti A, Chan M, D'Auria M, Green S, Keshvala C, Li H, Maxwell-Armstrong C, Michaelidou M, Simmonds L, Smith C, Wimalathasan A, Abbas J, Cairns C, Chin YR, Connelly A, Moug S, Nair A, Svolkinas D, Coe P, Subar D, Wang H, Zaver V, Brayley J, Cookson P, Cunningham L, Gaukroger A, Ho M, Hough A, King J, O'Hagan D, Widdison A, Brown R, Brown B, Chavan A, Francis S, Hare L, Lund J, Malone N, Mavi B, McIlwaine A, Rangarajan S, Abuhussein N, Campbell HS, Daniels J, Fitzgerald I, Mansfield S, Pendrill A, Robertson D, Smart YW, Teng T, Yates J, Belgaumkar A, Katira A, Kossoff J, Kukran S, Laing C, Mathew B, Mohamed T, Myers S, Novell R, Phillips BL, Thomas M, Turlejski T, Turner S, Varcada M, Warren L, Wynell-Mayow W, Church R, Linley-Adams L, Osborn G, Saunders M, Spencer R, Srikanthan M, Tailor S, Tullett A, Ali M, Al-Masri S, Carr G, Ebhogiaye O, Heng S, Manivannan S, Manley J, McMillan LE, Peat C, Phillips B, Thomas S, Whewell H, Williams G, Bienias A, Cope EA, Courquin GR, Day L, Garner C, Gimson A, Harris C, Markham K, Moore T, Nadin T, Phillips C, Subratty SM, Brown K, Dada J, Durbacz M, Filipescu T, Harrison E, Kennedy ED, Khoo E, Kremel D, Lyell I, Pronin S, Tummon R, Ventre C, Walls L, Wootton E, Akhtar A, Davies E, El-Sawy D, Farooq M, Gaddah M, Griffiths H, Katsaiti I, Khadem N, Leong K, Williams I, Chean CS, Chudek D, Desai H, Ellerby N, Hammad A, Malla S, Murphy B, Oshin O, Popova P, Rana S, Ward T, Abbott TEF, Akpenyi O, Edozie F, El Matary R, English W, Jeyabaladevan S, Morgan C, Naidu V, Nicholls K, Peroos S, Prowle J, Sansome S, Torrance HD, Townsend D, Brecher J, Fung H, Kazmi Z, Outlaw P, Pursnani K, Ramanujam N, Razaq A, Sattar M, Sukumar S, Tan TSE, Chohan K, Dhuna S, Haq T, Kirby S, Lacy-Colson J, Logan P, Malik Q, McCann J, Mughal Z, Sadiq S, Sharif I, Shingles C, Simon A, Burnage S, Chan SSN, Craig ARJ, Duffield J, Dutta A, Eastwood M, Iqbal F, Mahmood F, Mahmood W, Patel C, Qadeer A, Robinson A, Rotundo A, Schade A, Slade RD, De Freitas M, Kinnersley H, McDowell E, Moens-Lecumberri S, Ramsden J, Rockall T, Wiffen L, Wright S, Bruce C, Francois V, Hamdan K, Limb C, Lunt AJ, Manley L, Marks M, Phillips CFE, Agnew CJF, Barr CJ, Benons N, Hart SJ, Kandage D, Krysztopik R, Mahalingam P, Mock J, Rajendran S, Stoddart MT, Clements B, Gillespie H, Lee S, McDougall R, Murray C, O'Loane R, Periketi S, Tan S, Amoah R, Bhudia R, Dudley B, Gilbert A, Griffiths B, Khan H, McKigney N, Roberts B, Samuel R, Seelarbokus A, Stubbing-Moore A, Thompson G, Williams P, Ahmed N, Akhtar R, Chandler E, Chappelow I, Gil H, Gower T, Kale A, Lingam G, Rutler L, Sellahewa C, Sheikh A, Stringer H, Taylor R, Aglan H, Ashraf MR, Choo S, Das E, Epstein J, Gentry R, Mills D, Poolovadoo Y, Ward N, Bull K, Cole A, Hack J, Khawari S, Lake C, Mandishona T, Perry R, Sleight S, Sultan S, Thornton T, Williams S, Arif T, Castle A, Chauhan P, Chesner R, Eilon T, Kamarajah S, Kambasha C, Lock L, Loka T, Mohammad F, Motahariasl S, Roper L, Sadhra SS, Sheikh A, Toma T, Wadood Q, Yip J, Ainger E, Busti S, Cunliffe L, Flamini T, Gaffing S, Moorcroft C, Peter M, Simpson L, Stokes E, Stott G, Wilson J, York J, Yousaf A, Borakati A, Brown M, Goaman A, Hodgson B, Ijeomah A, Iroegbu U, Kaur G, Lowe C, Mahmood S, Sattar Z, Sen P, Szuman A, Abbas N, Al-Ausi M, Anto N, Bhome R, Eccles L, Elliott J, Hughes EJ, Jones A, Karunatilleke AS, Knight JS, Manson CCF, Mekhail I, Michaels L, Noton TM, Okenyi E, Reeves T, Yasin IH, Banfield DA, Harris R, Lim D, Mason-Apps C, Roe T, Sandhu J, Shafiq N, Stickler E, Tam JP, Williams LM, Ainsworth P, Boualbanat Y, Doull C, Egan E, Evans L, Hassanin K, Ninkovic-Hall G, Odunlami W, Shergill M, Traish M, Cummings D, Kershaw S, Ong J, Reid F, Toellner H, Alwandi A, Amer M, George D, Haynes K, Hughes K, Peakall L, Premakumar Y, Punjabi N, Ramwell A, Sawkins H, Ashwood J, Baker A, Baron C, Bhide I, Blake E, De Cates C, Esmail R, Hosamuddin H, Kapp J, Nguru N, Raja M, Thomson F, Ahmed H, Aishwarya G, Al-Huneidi R, Ali S, Aziz R, Burke D, Clarke B, Kausar A, Maskill D, Mecia L, Myers L, Smith ACD, Walker G, Wroe N, Donohoe C, Gibbons D, Jordan P, Keogh C, Kiely A, Lalor P, McCrohan M, Powell C, Foley MP, Reynolds J, Silke E, Thorpe O, Kong JTH, White C, Ali Q, Dalrymple J, Ge Y, Khan H, Luo RS, Paine H, Paraskeva B, Parker L, Pillai K, Salciccioli J, Selvadurai S, Sonagara V, Springford LR, Tan L, Appleton S, Leadholm N, Zhang Y, Ahern D, Cotter M, Cremen S, Durrigan T, Flack V, Hrvacic N, Jones H, Jong B, Keane K, O'Connell PR, O'sullivan J, Pek G, Shirazi S, Barker C, Brown A, Carr W, Chen Y, Guillotte C, Harte J, Kokayi A, Lau K, McFarlane S, Morrison S, Broad J, Kenefick N, Makanji D, Printz V, Saito R, Thomas O, Breen H, Kirk S, Kong CH, O'Kane A, Eddama M, Engledow A, Freeman SK, Frost A, Goh C, Lee G, Poonawala R, Suri A, Taribagil P, Brown H, Christie S, Dean S, Gravell R, Haywood E, Holt F, Pilsworth E, Rabiu R, Roscoe HW, Shergill S, Sriram A, Sureshkumar A, Tan LC, Tanna A, Vakharia A, Bhullar S, Brannick S, Dunne E, Frere M, Kerin M, Kumar KM, Pratumsuwan T, Quek R, Salman M, Van Den Berg N, Wong C, Ahluwalia J, Bagga R, Borg CM, Calabria C, Draper A, Farwana M, Joyce H, Khan A, Mazza M, Pankin G, Sait MS, Sandhu N, Virani N, Wong J, Woodhams K, Croghan N, Ghag S, Hogg G, Ismail O, John N, Nadeem K, Naqi M, Noe SM, Sharma A, Tan S, Begum F, Best R, Collishaw A, Glasbey J, Golding D, Gwilym B, Harrison P, Jackman T, Lewis N, Luk YL, Porter T, Potluri S, Stechman M, Tate S, Thomas D, Walford B, Auld F, Bleakley A, Johnston S, Jones C, Khaw J, Milne S, O'Neill S, Singh KKR, Smith R, Swan A, Thorley N, Yalamarthi S, Yin ZD, Ali A, Balian V, Bana R, Clark K, Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Andrade NN, Aggarwal N, Mathai P, Nerurkar S, Desai H, Gupta V. Is dermis fat arthroplasty better than plain gap arthroplasty? A prospective randomised controlled trial. Br J Oral Maxillofac Surg 2020; 58:970-974. [PMID: 32456996 DOI: 10.1016/j.bjoms.2020.04.045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 02/23/2019] [Accepted: 04/30/2020] [Indexed: 10/24/2022]
Abstract
The aim of the study was to compare interpositional arthroplasty using a dermis fat graft with gap arthroplasty in the management of ankylosis of the temporomandibular joint (TMJ). We organised a prospective randomised study of 22 patients who presented with ankylosis of the TMJ. They were randomised to be treated with either plain gap arthroplasty or dermis fat arthroplasty, and the predictor variable was the method of treatment. The primary outcome variables were mouth opening and pain on jaw exercises. Pain and interincisal opening were measured on day 5, day 14, at the end of one month, and at six months, one year, two years, and three years. There was a significant difference between the two groups on two occasions: postoperative day 5 (p=0.013) and at one year (p=0.018). The mean (SD) scores for mouth-opening were higher in the dermis fat group at all times (41.20 (4.69) mm compared with 39.50 (2.46) mm in gap arthroplasty at two years, and 41.40 (3.60) mm compared with 38.9 (2.02) mm at three years). The visual analogue pain scores were also lower in the dermis fat graft group. The groups showed similar results at the end of three years follow up, with no significant difference in mouth opening. We conclude therefore that the two techniques have similar outcomes in the management of ankylosis of the TMJ.
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Affiliation(s)
- N N Andrade
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
| | - N Aggarwal
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
| | - P Mathai
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
| | - S Nerurkar
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
| | - H Desai
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
| | - V Gupta
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, India.
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Desai H, Hershkovich O, Ong T, Marshall L, Sahota O. 89 Poor Attendance for DXA in Older People with A Low Trauma Fragility Fracture: A 6 Year Data Analysis of the Nottingham Fracture Liaison Service. Age Ageing 2020. [DOI: 10.1093/ageing/afz193.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Hip Fractures are common and result in significant patient morbidity and increased mortality. Up to 40% of these patients have sustained a previous low-trauma fracture. The Department of Health advises that patients presenting with fragility fracture should have access to ‘Fracture Liaison Services (FLS)’. These are models of care which systematically identify patients at risk, assess bone health, treat patients (if needed) and follow patients up to support medication adherence.
Methods
Demographics of FLS patients between January 2012 and December 2017 was obtained retrospectively from the Nottingham University Hospitals FLS database. We examined DNA rates and further characteristics of these types of patients. Deprivation scores were deprived using the English indices of deprivation 2015 (1–Most deprived; 5-Least deprived). The 2016 cohort of patients were followed-up till January 2019 to assess for re-fractures.
Results
6528 high-risk patients were identified and referred to DXA. Mean (SD) age was 68±10.5 years [Females=5302 (81%)]. 1386 patients (21%) did not attend. High prevalence of non-attendance was in females [1032 patients (74%)] and the most deprived individuals [398 patients (29%)]. Females from the most deprived areas had the highest DNA rate [287 patients (29%)]. All eligible patients >75 years old were referred (n=1542 (100%), [Females=1284 (83%), non-attendance=473 (31%), non-attendance in females=390 (82%), highly deprived females=96 (25%)]. 826 patients were referred in 2016. Median follow-up time was 2.46 years (IQR 0.16–3.00 years). 52 patients (7%) re-fractured. 17 patients (33%) DNA their previous DXA scan [Females=12 patients (71%)].
Conclusions
Nottingham FLS have identified patients with fragility fractures that are high-risk for further fractures. Despite a dedicated FLS there is a DNA of 21%. Many patients that DNA are generally considered as having a high-risk of further fractures; females, older age and more deprived. Further studies are needed to explore why patients do not attend for bone density scanning.
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Affiliation(s)
- H Desai
- Department for Healthcare of Older People (HCOP), Queens Medical Centre, Nottingham University Hospital NHS Trust
| | - O Hershkovich
- Department for Healthcare of Older People (HCOP), Queens Medical Centre, Nottingham University Hospital NHS Trust
| | - T Ong
- Department for Healthcare of Older People (HCOP), Queens Medical Centre, Nottingham University Hospital NHS Trust
| | - L Marshall
- Department for Healthcare of Older People (HCOP), Queens Medical Centre, Nottingham University Hospital NHS Trust
| | - O Sahota
- Department for Healthcare of Older People (HCOP), Queens Medical Centre, Nottingham University Hospital NHS Trust
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Andrade N, Rajpari K, Mathai P, Aggarwal N, Nerurkar SA, Desai H. Intra-muscular haemangioma of the masseter: A clinical update and differential diagnosis of a rare entity. J Stomatol Oral Maxillofac Surg 2018; 119:510-513. [PMID: 29883629 DOI: 10.1016/j.jormas.2018.05.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 04/07/2018] [Accepted: 05/29/2018] [Indexed: 10/14/2022]
Abstract
The intramuscular haemangioma (IMH) is a rare variant of unknown aetiology and comprises 0.8% of soft tissue haemangiomas. Less than 20% of IMHs occur in the craniofacial region of which the masseter is the most common site. It presents as a non-specific, painful soft tissue enlargement in young adults. Symptoms common to vascular lesions usually are absent. Due to the paucity of clinical symptoms, advanced imaging techniques like MRIs are needed to clinch a definitive pre-operative diagnosis. The therapeutic modalities mentioned in the literature range from total surgical excision to non-surgical methods like cryotherapy, sclerotherapy, embolization and feeder vessel ligation. We present a case of an intra-massetric IMH in a 16-year-old male which was treated by total surgical excision with a follow up of 3 years. We also stress on the differential diagnosis of intra-massetric lesions and the key findings of the various imaging modalities available for IMH.
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Affiliation(s)
- N Andrade
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
| | - K Rajpari
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
| | - P Mathai
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
| | - N Aggarwal
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
| | - S A Nerurkar
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
| | - H Desai
- Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, 400008 Mumbai Central, Mumbai.
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9
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Desai H, Bhupinder N, Bime C, Dill J, Dalen J, Alpert J. Pulmonary Embolism With Right Ventricular Dysfunction: Who Should Receive Thrombolytic Agents? J Vasc Surg Venous Lymphat Disord 2017. [DOI: 10.1016/j.jvsv.2017.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Yu H, Al-Roubaie M, Desai H, Isaacson A, Burke C. Comparison of type II endoleak embolizations: embolization of endoleak nidus only versus embolization of endoleak nidus and branch vessels. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.1019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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11
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Desai H, Yu H, Kim J, Ohana E, Isaacson A. Comparison of cone-beam CTA versus conventional CTA for prostatic artery embolization planning. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.874] [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: 11/16/2022] Open
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12
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Rathi SK, Desai VK, Jariwala P, Desai H, Naik A, Joseph A. Summer Temperature and Spatial Variability of all-Cause Mortality in Surat City, India. Indian J Community Med 2017; 42:111-115. [PMID: 28553029 PMCID: PMC5427860 DOI: 10.4103/0970-0218.205216] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background: Ample information is available on extreme heat associated mortality for few Indian cities, but scant literature is available on effect of temperature on spatial variability of all-cause mortality for coastal cities. Objective: To assess the effect of daily maximum temperature, relative humidity and heat index on spatial variability of all-cause mortality for summer months (March to May) from 2014 to 2015 for the urban population of Surat (coastal) city. Materials and Methods: Retrospective analysis of the all-cause mortality data with temperature and humidity was performed on a total of 9,237 deaths for 184 summer days (2014-2015). Climatic and all-cause mortality data were obtained through Tutiempo website and Surat Municipal Corporation respectively. Bivariate analysis performed through SPSS. Observations: Mean daily mortality was estimated at 50.2 ± 8.5 for the study period with a rise of 20% all-cause mortality at temperature ≥ 40°C and rise of 10% deaths per day during extreme danger level (HI: > 54°C) days. Spatial (Zone wise) analysis revealed rise of 61% all-cause mortality for Southeast and 30% for East zones at temperature ≥ 40°C. Conclusions: All-cause mortality increased on high summer temperature days. Presence of spatial variation in all-cause mortality provided the evidence for high risk zones. Findings may be helpful in designing the interventions at micro level.
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Affiliation(s)
- S K Rathi
- Urban Health and Climate Resilience Centre, Surat, Gujarat, India
| | - V K Desai
- Urban Health and Climate Resilience Centre, Surat, Gujarat, India
| | - P Jariwala
- Urban Health and Climate Resilience Centre, Surat, Gujarat, India
| | - H Desai
- Health Department, Surat Municipal Corporation, Surat, Gujarat, India
| | - A Naik
- Health Department, Surat Municipal Corporation, Surat, Gujarat, India
| | - A Joseph
- Health Department, Surat Municipal Corporation, Surat, Gujarat, India
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13
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Desai H, Patel D, Joshi B. Screening and Characterization of Heavy Metal Resistant Fungi for its Prospects in Bioremediation of Contaminated Soil. ACTA ACUST UNITED AC 2016. [DOI: 10.20546/ijcmas.2016.504.074] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Waggoner T, Desai H, Sanghvi K. A unique complication of the GuideZilla guide extension support catheter and the risk of stent stripping in interventional & endovascular interventions. Indian Heart J 2015; 67:381-4. [PMID: 26304575 DOI: 10.1016/j.ihj.2015.04.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [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: 02/16/2015] [Revised: 03/17/2015] [Accepted: 04/26/2015] [Indexed: 01/11/2023] Open
Abstract
Supporting catheters in percutaneous stenting of anatomically difficult coronary lesions are utilized by interventional cardiologists. The GuideZilla guide extension catheter is designed for deep seating in coronary arteries to provide extra guidance support for equipment delivery during difficult coronary interventions or for coaxial alignment in tortuous vessels. There are limited GuideZilla-related complications reported in the literature. We present a challenging case of a left main and left anterior descending artery dissection, complicated with stent stripping off the delivery balloon by the GuideZilla support catheter.
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Affiliation(s)
- Thomas Waggoner
- Department of Interventional Cardiology and Endovascular Medicine, Deborah Heart & Lung Center, Browns Mills, NJ, USA.
| | - Harit Desai
- Department of Interventional Cardiology and Endovascular Medicine, Deborah Heart & Lung Center, Browns Mills, NJ, USA
| | - Kintur Sanghvi
- Department of Interventional Cardiology and Endovascular Medicine, Deborah Heart & Lung Center, Browns Mills, NJ, USA
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15
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Lardizabal JA, Macon CJ, O'Neill BP, Desai H, Singh V, Martinez CA, Alfonso CE, Cohen MG, Heldman AW, O'Neill WW, Williams DB. Long-term outcomes associated with the transaortic approach to transcatheter Aortic valve replacement. Catheter Cardiovasc Interv 2015; 85:1226-30. [DOI: 10.1002/ccd.25785] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 07/22/2014] [Accepted: 11/30/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Joel A. Lardizabal
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Conrad J. Macon
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Brian P. O'Neill
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Harit Desai
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Vikas Singh
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Claudia A. Martinez
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Carlos E. Alfonso
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Mauricio G. Cohen
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Alan W. Heldman
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - William W. O'Neill
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
| | - Donald B. Williams
- The Multi-Disciplinary Structural Heart Disease Program of the University of Miami - Miller School of Medicine; Miami FL
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Badheka AO, Shah N, Ghatak A, Patel NJ, Chothani A, Mehta K, Singh V, Patel N, Grover P, Deshmukh A, Panaich SS, Savani GT, Bhalara V, Arora S, Rathod A, Desai H, Kar S, Alfonso C, Palacios IF, Grines C, Schreiber T, Rihal CS, Makkar R, Cohen MG, O'Neill W, de Marchena E. Balloon mitral valvuloplasty in the United States: a 13-year perspective. Am J Med 2014; 127:1126.e1-1126.e12. [PMID: 24859718 DOI: 10.1016/j.amjmed.2014.05.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 05/13/2014] [Accepted: 05/13/2014] [Indexed: 11/26/2022]
Abstract
BACKGROUND Incidence and prevalence of mitral stenosis is declining in the US. We performed this study to determine recent trends in utilization, complications, mortality, length of stay, and cost associated with balloon mitral valvuloplasty. METHODS Utilizing the nationwide inpatient sample database from 1998 to 2010, we identified patients using the International Classification of Diseases, 9th Revision, Clinical Modification procedure code for "percutaneous valvuloplasty." Patients ≥18 years of age with mitral stenosis were included. Patients with concomitant aortic, tricuspid, or pulmonic stenosis were excluded. Primary outcome included death and procedural complications. RESULTS A total of 1308 balloon mitral valvuloplasties (weighted n = 6540) were analyzed. There was a 7.5% decrease in utilization of the procedure from 24.6 procedures/10 million population in 1998-2001 to 22.7 procedures/10 million population in 2008-2010 (P for trend = .098). We observed a 15.9% overall procedural complication rate and 1.7% mortality rate. The procedural complication rates have increased in recent years (P = .001), corresponding to increasing age and burden of comorbidities in patients. The mean cost per admission for balloon mitral valvuloplasty has gone up significantly over the 10 years, from $11,668 ± 1046 in 2001 to $23,651 ± 301 in 2010 (P <.001). CONCLUSIONS In a large cross-sectional study of balloon mitral valvuloplasty in the US, we have reported trends of decreasing overall utilization and increasing procedural complication rates and cost over a period of 13 years.
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Affiliation(s)
| | | | | | | | | | | | - Vikas Singh
- University of Miami Miller School of Medicine, Fla
| | | | | | | | | | | | | | | | | | - Harit Desai
- University of Miami Miller School of Medicine, Fla
| | - Saibal Kar
- Cedars-Sinai Medical Centre, Los Angeles, Calif
| | | | | | | | | | | | - Raj Makkar
- Cedars-Sinai Medical Centre, Los Angeles, Calif
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17
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Desai H, Palmer D. Factors Relating to Home Meal Preparation among Low-Income Adults. J Acad Nutr Diet 2014. [DOI: 10.1016/j.jand.2014.06.192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Badheka AO, Patel NJ, Singh V, Shah N, Chothani A, Mehta K, Deshmukh A, Ghatak A, Rathod A, Desai H, Savani GT, Grover P, Patel N, Arora S, Grines CL, Schreiber T, Makkar R, Rihal CS, Cohen MG, De Marchena E, O'Neill WW. Percutaneous aortic balloon valvotomy in the United States: a 13-year perspective. Am J Med 2014; 127:744-753.e3. [PMID: 24608018 DOI: 10.1016/j.amjmed.2014.02.025] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 02/13/2014] [Accepted: 02/13/2014] [Indexed: 12/20/2022]
Abstract
BACKGROUND We determined the contemporary trends of percutaneous aortic balloon valvotomy and its outcomes using the nation's largest hospitalization database. There has been a resurgence in the use of percutaneous aortic balloon valvotomy in patients at high surgical risk because of the development of less-invasive endovascular therapies. METHODS This is a cross-sectional study with time trends using the Nationwide Inpatient Sample database between the years 1998 and 2010. We identified patients using the International Classification of Diseases, 9th Revision, Clinical Modification procedure code for valvotomy. Only patients aged more than 60 years with aortic stenosis were included. Primary outcome included in-hospital mortality, and secondary outcomes included procedural complications and length of hospital stay. RESULTS A total of 2127 percutaneous aortic balloon valvotomies (weighted n = 10,640) were analyzed. The use rate of percutaneous aortic balloon valvotomy increased by 158% from 12 percutaneous aortic balloon valvotomies per million elderly patients in 1998-1999 to 31 percutaneous aortic balloon valvotomies per million elderly patients in 2009-2010 in the United States (P < .001). The hospital mortality decreased by 23% from 11.5% in 1998-1999 to 8.8% in 2009-2010 (P < .001). Significant predictors of in-hospital mortality were the presence of increasing comorbidities (P = .03), unstable patient (P < .001), any complication (P < .001), and weekend admission (P = .008), whereas increasing operator volume was associated with significantly reduced mortality (P = .03). Patients who were admitted to hospitals with the highest procedure volume and the highest volume operators had a 51% reduced likelihood (P = .05) of in-hospital mortality when compared with those in hospitals with the lowest procedure volume and lowest volume operators. CONCLUSION This study comprehensively evaluates trends for percutaneous aortic balloon valvotomy in the United States and demonstrates the significance of operator and hospital volume on outcomes.
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Affiliation(s)
| | | | - Vikas Singh
- University of Miami Miller School of Medicine, Miami, Fla
| | - Neeraj Shah
- Staten Island University Hospital, Staten Island, NY
| | | | | | | | - Abhijit Ghatak
- University of Miami Miller School of Medicine, Miami, Fla
| | | | - Harit Desai
- University of Miami Miller School of Medicine, Miami, Fla
| | | | - Peeyush Grover
- University of Miami Miller School of Medicine, Miami, Fla
| | | | | | | | | | - Raj Makkar
- Cedars-Sinai Medical Center, Los Angeles, Calif
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Lardizabal J, Desai H, O'Neill B, Macon C, Alex R, O'Neill C, Fayaz A, Martinez C, Alfonso C, Martin B, Carillo R, Cohen M, Heldman A, Williams D, O'Neill W. TCT-103 The Transaortic Approach for Transcatheter Aortic Valve Replacement: Initial Clinical Experience in the United States. J Am Coll Cardiol 2012. [DOI: 10.1016/j.jacc.2012.08.119] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Abstract
Pulmonary arterial hypertension (PAH) is a chronic progressive disease of the pulmonary vasculature characterized by elevated pulmonary arterial pressure and secondary right ventricular failure. PAH is considered a life-threatening condition unless treated. This article provides a comprehensive review of controlled and uncontrolled trials to define the risk-benefit for different therapeutic options of this clinical disorder. Relevant published articles were identified through searches of the National Center for Biotechnology PubMed database. All therapeutic measures for PAH were discussed. Six drugs have been approved in the United States for the treatment of PAH. Extensive medical advancement has been achieved in treatment of PAH. However, none of the approved therapies have shown ability to cure the disease. New research should be performed to develop promising new therapies.
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Summerfield DT, Desai H, Levitov A, Grooms DA, Marik PE. Inhaled Nitric Oxide as Salvage Therapy in Massive Pulmonary Embolism: A Case Series. Respir Care 2012; 57:444-8. [DOI: 10.4187/respcare.01373] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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22
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Lai H, Aronow W, Mercando A, Sharma M, Kalen P, Desai H, Gandhi K, Amin H, Lai T. Risk Factors in the Development of Stroke in an Outpatient Cardiology Practice. Chest 2011. [DOI: 10.1378/chest.1099498] [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: 11/01/2022] Open
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23
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Lai H, Aronow W, Mercando A, Sharma M, Kalen P, Desai H, Gandhi K, Amin H, Lai T. Effect of Medical Therapy on Cardiovascular Events in an Outpatient Cardiology Practice. Chest 2011. [DOI: 10.1378/chest.1099729] [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: 11/01/2022] Open
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24
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Sharma M, Aronow WS, O'Brien M, Gandhi K, Amin H, Desai H. T cell lymphoma presenting as esophageal obstruction and bronchoesophageal fistula. Med Sci Monit 2011; 17:CS66-9. [PMID: 21629192 PMCID: PMC3539550 DOI: 10.12659/msm.881797] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background The mediastinum is an uncommon location for presentation of peripheral T cell lymphoma. Esophageal involvement by non-Hodgkin’s lymphoma is extremely unusual. Although staging can be performed with routine imaging studies, surgical intervention is often required to ensure accurate histologic diagnosis of these lymphomas. Peripheral T cell lymphomas not otherwise specified are among the most aggressive non-Hodgkin lymphomas with often a poor response to conventional chemotherapy Case Report We report a case of a 63 year-old-man with an aggressive mediastinal T cell lymphoma presenting as esophageal obstruction and bronchoesophageal fistula. The patient was treated with a cyclophosphamide, vincristine, and prednisone (COP) regimen. Repeat computer tomography scan of the chest after chemotherapy noted a significant decrease in the cavitary lesion in the right paraesophageal region and right mediastinum. Bronchoscopy revealed a large opening in the posterior wall of the bronchus intermedius leading into the esophagus. A fistulogram was done which clearly demonstrated a fistulous tract between the lower esophagus and the right intermediate bronchus secondary to perforation from the lymphoma. The patient eventually underwent cervical esophagostomy and jejunostomy tube placement to correct the brochoesophageal fistula. Conclusions The mediastinum is an uncommon location for presentation of peripheral T cell lymphomas, and surgical intervention is often required to ensure accurate histological diagnosis of these lymphomas. In our patient, aggressive mediastinal T cell lymphoma presented as esophageal obstruction and bronchoesophageal fistula
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Affiliation(s)
- Mala Sharma
- Department of Medicine, Division of Cardiology, New York Medical College, Valhalla, NY 10595, USA
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Abstract
Hyperthyroidism is a pathological syndrome in which tissue is exposed to excessive amounts of circulating thyroid hormone. The most common cause of this syndrome is Graves' disease, followed by toxic multinodular goitre, and solitary hyperfunctioning nodules. Autoimmune postpartum and subacute thyroiditis, tumors that secrete thyrotropin, and drug-induced thyroid dysfunction, are also important causes.<br /> <br />
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Affiliation(s)
- Mala Sharma
- Department of Internal Medicine and Division of Cardiology, New York Medical College, Valhalla, NY 10595, USA
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Gandhi K, Parikh P, Aronow WS, Desai H, Amin H, Sharma M, Rubinstein A. A case of explosive progression of hepatocellular carcinoma in a patient with common variable immunodeficiency (CVID). J Gastrointest Cancer 2011; 41:281-4. [PMID: 20473587 DOI: 10.1007/s12029-010-9158-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE While it is well known that patients with common variable immunodeficiency (CVID) are predisposed to various malignancies, primarily non-Hodgkin's lymphoma and gastric carcinomas, to our knowledge no cases of hepatocellular carcinoma have been reported in the absence of preexisting liver disease. METHOD AND RESULTS We report a 50-year-old male patient with CVID with a B- and T-cell deficiency. The patient was on prophylactic intravenous gammaglobulin and had received several years earlier a course of rituximab for an autoimmune disorder. He had no history of hepatitis. The patient developed a rapidly progressing hepatocellular carcinoma within 3 to 4 weeks. CONCLUSIONS Although patients with CVID are predisposed to malignancies such as lymphoma and adenocarcinoma of the stomach, rapidly progressive hepatocellular carcinoma in the absence of any preexisting liver disease has not been described.
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Affiliation(s)
- Kaushang Gandhi
- Department of Internal Medicine, Westchester Medical Center/New York Medical College, New York, USA.
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Gandhi K, Aronow WS, Desai H, Amin H, Lai HM, Frishman WH, Cohen M, Sorbera C. Incidence of appropriate cardioverter-defibrillator shocks and mortality in patients with implantable cardioverter-defibrillators with ischemic cardiomyopathy versus nonischemic cardiomyopathy at 33-month follow-up. Arch Med Sci 2010; 6:900-3. [PMID: 22427764 PMCID: PMC3302702 DOI: 10.5114/aoms.2010.19299] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2009] [Revised: 07/30/2009] [Accepted: 09/13/2009] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION The aim of the study was to investigate at long-term follow-up the incidence of appropriate implantable cardioverter-defibrillator (ICD) shocks and of all-cause mortality in patients with ICDs with ischemic cardiomyopathy versus nonischemic cardiomyopathy. MATERIAL AND METHODS ICDs were implanted in 485 patients with ischemic cardiomyopathy and in 299 patients with nonischemic cardiomyopathy, all of whom had coronary angiography. Baseline characteristics were not significantly different between the 2 groups. Follow-up was 965 days in patients with ischemic cardiomyopathy versus 1039 days in patients with nonischemic cardiomyopathy (p not significant). The ICDs were interrogated every 3 months to see if shocks occurred. RESULTS Appropriate ICD shocks occurred in 179 of 485 patients (37%) with ischemic cardiomyopathy and in 93 of 299 patients (31%) with nonischemic cardiomyopathy (p not significant). All-cause mortality occurred in 162 of 485 patients (33%) with ischemic cardiomyopathy and in 70 of 299 patients (23%) with nonischemic cardiomyopathy (p = 0.002). CONCLUSIONS The incidence of appropriate ICD shocks was not significantly different at 33-month follow-up in patients with ischemic cardiomyopathy versus nonischemic cardiomyopathy. However, patients with ischemic cardiomyopathy had a significantly higher incidence of all-cause mortality than patients with nonischemic cardiomyopathy (p = 0.002).
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Affiliation(s)
- Kaushang Gandhi
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Wilbert S. Aronow
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Harit Desai
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Harshad Amin
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Hoang M. Lai
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - William H. Frishman
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Martin Cohen
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Carmen Sorbera
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
- Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
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Gandhi K, Aronow WS, Desai H, Palaniswamy C, Singh T, Amin H, Sharma M, Lai HM. Patients with ischemic stroke have a higher prevalence of a planar QRS-T angle >90° than patients with transient ischemic attack. Med Sci Monit 2010; 16:CR588-CR592. [PMID: 21119576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
BACKGROUND The aim of the study was to investigate the prevalence of a planar QRS-T angle >90° in patients with ischemic stroke versus transient ischemic attack (TIA). MATERIAL/METHODS In a prospective study of 279 consecutive patients who had ischemic stroke (197 patients) or TIA (82 patients), the planar QRS-T angle was measured from a 12-lead electrocardiogram taken at the time of the stroke or TIA. All QRS-T angle measurements were made by 3 authors who agreed on the measurements and who were blinded to the clinical findings. A QRS-T angle >90° was considered abnormal. RESULTS The mean age was 66±6 years in patients with ischemic stroke versus 62±6 years in patients with TIA (p=0.04). The mean body mass index and the prevalence of gender, smoking, hypertension, diabetes mellitus, dyslipidemia, and coronary artery disease were not significantly different between patients with ischemic stroke versus TIA. A QRS-T angle >90° was present in 55 of 197 patients (28%) with ischemic stroke and in 10 of 82 patients (12%) with TIA (p=0.004). CONCLUSIONS The prevalence of a planar QRS-T angle >90° was higher in patients with ischemic stroke than in patients with TIA (p=0.004).
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Affiliation(s)
- Kaushang Gandhi
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY, USA
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Desai H, Aronow WS, Ahn C, Gandhi K, Amin H, Lai HM, Tsai FS, Sharma M, Babu S. Incidence of perioperative myocardial infarction and of 2-year mortality in 577 elderly patients undergoing noncardiac vascular surgery treated with and without statins. Arch Gerontol Geriatr 2010; 51:149-51. [PMID: 19819571 DOI: 10.1016/j.archger.2009.09.042] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Revised: 09/11/2009] [Accepted: 09/12/2009] [Indexed: 11/25/2022]
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Gandhi K, Aronow WS, Desai H, Amin H, Sharma M, Lai HM, Singh P. Cardiovascular manifestations in patients with thrombotic thrombocytopenic purpura: a single-center experience. Clin Cardiol 2010; 33:213-6. [PMID: 20394041 DOI: 10.1002/clc.20731] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Cardiovascular manifestation in patients with thrombotic thrombocytopenic purpura. HYPOTHESIS The aim of this study was to investigate the incidence of acute myocardial infarction (AMI), arrhythmias, congestive heart failure, and mortality in patients hospitalized for thrombotic thrombocytopenic purpura (TTP). METHODS Thirty-eight patients (27 women and 11 men), mean age 44 years, were hospitalized with the diagnosis of TTP confirmed by a hematologist. We investigated the incidence of AMI which developed during hospitalization for TTP. AMI was diagnosed by new electrocardiographic changes, increased serum cardiac troponin I levels, and clinical symptomatology. The patients with AMI were also monitored for development of arrhythmias during hospitalization. RESULTS Of the 38 patients, 8 (21%) developed new Q-wave AMI. There was no significant difference in baseline characteristics between patients who developed AMI and those who did not develop AMI. Of the 8 patients with AMI, 2 (25%) developed atrial fibrillation, 1 (13%) developed atrial flutter, 1 (13%) developed supraventricular tachycardia, and 2 (25%) developed congestive heart failure. Death occurred in 3 of 8 patients (38%) with AMI and in 1 of 30 patients (3%) without AMI (P < 0.01). CONCLUSIONS New Q-wave AMI developed in 21% of 38 patients hospitalized with TTP. Supraventricular tachyarrhythmias developed in 50% of 8 patients with TTP who developed AMI. Patients hospitalized for TTP should be monitored for adverse cardiac events due to the high incidence of new AMI, supraventricular tachyarrhythmias, and mortality.
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Affiliation(s)
- Kaushang Gandhi
- Department of Medicine, Cardiology and Hematology Divisions, New York Medical College, Valhalla, New York, USA.
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Francis J, Avgeropoulos N, Coll E, Desai H, Robles-Carrillo L, Amaya M, Drexler A, Kulscar C, Bobustuc G, Bushnev S, Amirkhosravi A. PO-36 Detection of circulating tissue factor activity in the plasma of a patient with glioblastoma multiforme: a potential cause of cancer-associated hypercoagulability? Thromb Res 2010. [DOI: 10.1016/s0049-3848(10)70086-4] [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: 10/19/2022]
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Amin H, Aronow WS, Lleva P, McClung JA, Desai H, Gandhi K, Marks S, Singh B. Prevalence of transthoracic echocardiographic abnormalities in patients with ischemic stroke, intracerebral hemorrhage, and subarachnoid hemorrhage. Arch Med Sci 2010; 6:40-2. [PMID: 22371718 PMCID: PMC3278941 DOI: 10.5114/aoms.2010.13505] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2008] [Revised: 10/02/2008] [Accepted: 10/17/2008] [Indexed: 01/30/2023] Open
Abstract
INTRODUCTION This study investigated the prevalence of transthoracic echocardiographic abnormalities in patients with ischemic stroke (IS), subarachnoid hemorrhage (SAH), and intracerebral hemorrhage (ICH) in sinus rhythm. MATERIAL AND METHODS The patients included 120 with IS, 30 with SAH, and 41 with ICH. All diagnoses were confirmed by magnetic resonance imaging or brain computed tomography. Two-dimensional echocardiograms were taken at the time stroke was diagnosed. All echocardiograms were interpreted by an experienced echocardiographer. RESULTS Of 120 IS patients, 1 (1%) had a left ventricular (LV) thrombus, 1 (1%) had mitral valve vegetations, 30 (25%) had LV hypertrophy, 26 (22%) had abnormal LV ejection fraction, 4 (3%) had mitral valve prolapse, 33 (28%) had mitral annular calcium (MAC), 40 (33%) had aortic valve calcium (AVC), 3 (3%) had a bioprosthetic aortic valve, 10 (8%) had aortic stenosis (AS), 6 (5%) had atrial septal aneurysm, 2 (2%) had patent foramen ovale, and 40 (33%) had no abnormalities. Of 30 SAH patients, 5 (17%) had LV hypertrophy, 1 (3%) had abnormal LV ejection fraction, 1 (3%) had AS, 4 (13%) had MAC, 5 (17%) had AVC, and 20 (67%) had no abnormalities. Of 41 ICH patients, 9 (22%) had LVH, 1 (2%) had abnormal LV ejection fraction, 1 (3%) had AS, 6 (15%) had MAC, 8 (20%) had AVC, and 22 (54%) had no abnormalities. CONCLUSIONS Transthoracic echocardiographic abnormalities are more prevalent in patients with IS than in patients with SAH or ICH.
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Affiliation(s)
- Harshad Amin
- Department of Medicine, Cardiology Division, Department of Neurology, New York Medical College, Valhalla, NY, USA
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Aronow WS, Desai H, Gandhi K, Ahn C, Hussain S, Lai HM, Sharma M, Frishman WH, Cohen M, Sorbera C. RISK FACTORS FOR APPROPRIATE CARDIOVERTER-DEFIBRILLATOR SHOCKS, INAPPROPRIATE CARDIOVERTER-DEFIBRILLATOR SHOCKS, AND MORTALITY IN 549 PATIENTS WITH HEART FAILURE AND IMPLANTABLE CARDIOVERTER-DEFIBRILLATORS. J Am Coll Cardiol 2010. [DOI: 10.1016/s0735-1097(10)60135-0] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Desai H, Aronow WS, Ahn C, Tsai FS, Lai HM, Gandhi K, Amin H, Frishman WH, Kalapatapu K, Cohen M, Sorbera C. Incidence of appropriate cardioverter-defibrillator shocks and mortality in patients with heart failure treated with combined cardiac resynchronization plus implantable cardioverter-defibrillator therapy versus implantable cardioverter-defibrillator therapy. J Cardiovasc Pharmacol Ther 2010; 15:37-40. [PMID: 19966176 DOI: 10.1177/1074248409351408] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [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: 09/20/2023]
Abstract
Of 529 patients with heart failure and a mean left ventricular ejection fraction of 29%, 209 (40%) were treated with cardiac resynchronization therapy (CRT) plus an implantable cardioverter-defibrillator (ICD) and 320 (60%) with an ICD. Mean follow-up was 34 months for both groups. Stepwise logistic regression analysis showed that significant independent variables for appropriate ICD shocks were statins (risk ratio = 0.35, P < .0001), smoking (risk ratio = 2.52, P < .0001), and digoxin (risk ratio = 1.92, P = .0001). Significant independent variables for time to deaths were use of CRT (risk ratio = 0.32, P = .0006), statins (risk ratio = 0.18, P < .0001), angiotensin-converting enzyme inhibitors/angiotensin receptor blockers (risk ratio = 0.10, P < .0001), hypertension (risk ratio = 24.15, P < .0001), diabetes (risk ratio = 2.54, P = .0005), and age (risk ratio = 1.06, P < .0001). In conclusion, statins reduced and smoking and digoxin increased appropriate ICD shocks. Use of CRT, statins, and angiotensin-converting enzyme inhibitors/angiotensin receptor blockers reduced mortality and hypertension, diabetes, and older age increased mortality.
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Affiliation(s)
- Harit Desai
- Department of Medicine, Cardiology Division, New York Medical College, Valhalla, NY 10595, USA
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Desai H, Aronow WS, Ahn C, Tsai FS, Lai HM, Amin H, Gandhi K, Frishman WH, Cohen M, Sorbera C. INCIDENCE OF APPROPRIATE CARDIOVERTER-DEFIBRILLATOR SHOCKS AND OF MORTALITY IN PATIENTS WITH HEART FAILURE TREATED WITH COMBINED CARDIAC RESYNCHRONIZATION PLUS CARDIOVERTER-DEFIBRILLATOR THERAPY VERSUS CARDIOVERTER-DEFIBRILLATOR THERAPY. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.100s] [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: 11/01/2022] Open
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Amin H, Aronow WS, Lleva P, McClung JA, Desai H, Gandhi K, Marks S, Singh B. PREVALENCE OF TRANSTHORACIC ECHOCARDIOGRAPHIC ABNORMALITIES. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.105s-a] [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: 11/01/2022] Open
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Amin H, Aronow WS, Gandhi K, Desai H, Lai HM, Chugh T, Shah D, Wolf DC. INCIDENCE OF NEW CORONARY RISK FACTORS AND OF CORONARY ARTERY DISEASE AFTER LIVER TRANSPLANTATION ASSOCIATED WITH DRUGS TO PREVENT REJECTION. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.7s-g] [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: 11/01/2022] Open
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Gandhi K, Aronow WS, Palaniswamy C, Amin H, Desai H, Lai HM. PATIENTS WITH ISCHEMIC STROKE HAVE A HIGHER PREVALENCE OF ABNORMAL PLANAR QRS-T ANGLE THAN PATIENTS WITH TRANSIENT ISCHEMIC ATTACK. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.102s-a] [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: 11/01/2022] Open
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Desai H, Aronow WS, Gandhi K, Amin H, Lai HM, Tsai FS, Sharma M, Babu S. INCIDENCE OF PERIOPERATIVE MYOCARDIAL INFARCTION AND OF 2-YEAR MORTALITY IN PATIENTS UNDERGOING NONCARDIAC VASCULAR SURGERY TREATED WITH AND WITHOUT STATINS. Chest 2009. [DOI: 10.1016/s0012-3692(16)48009-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Desai H, Aronow WS, Tsai FS, Ahn C, Lai HM, Amin H, Gandhi K, Frishman WH, Cohen M, Sorbera C. STATINS REDUCE APPROPRIATE CARDIOVERTER-DEFIBRILLATOR SHOCKS AND MORTALITY IN PATIENTS WITH HEART FAILURE AND COMBINED CARDIAC RESYNCHRONIZATION THERAPY AND CARDIOVERTER-DEFIBRILLATORS. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.99s] [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: 11/01/2022] Open
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Gandhi KA, Aronow WS, Singh P, Desai H, Amin H, Sharma M, Lai HM. PREVALENCE OF ACUTE MYOCARDIAL INFARCTION IN PATIENTS WITH THROMBOTIC THROMBOCYTOPENIC PURPURA. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.109s-c] [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: 11/01/2022] Open
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Tsai FS, Aronow WS, Devabhaktuni S, Desai H, Kruger A, Lai HM, Frishman WH, Cohen M, Sorbera C. PREVALENCE OF COMPLICATIONS DURING IMPLANTATION AND DURING 38-MONTH FOLLOW-UP. Chest 2009. [DOI: 10.1378/chest.136.4_meetingabstracts.101s-a] [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: 11/01/2022] Open
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Desai H, Aronow WS, Tsai FS, Ahn C, Lai HM, Amin H, Gandhi K, Frishman WH, Cohen M, Sorbera C. Statins reduce appropriate cardioverter-defibrillator shocks and mortality in patients with heart failure and combined cardiac resynchronization and implantable cardioverter-defibrillator therapy. J Cardiovasc Pharmacol Ther 2009; 14:176-9. [PMID: 19617418 DOI: 10.1177/1074248409340157] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Of 209 patients with heart failure treated with combined cardiac resynchronization therapy and implantable cardioverter-defibrillator therapy, appropriate cardioverter-defibrillator shocks occurred at 34-month follow-up in 22 of 121 patients (18%) on statins and in 30 of 88 patients (34%) not on statins (P = .009). Deaths occurred in 3 of 121 patients (2%) on statins and in 9 of 88 patients (10%) not on statins (P = .017). Stepwise Cox regression analysis showed that significant independent prognostic factors for appropriate shocks were use of statins (risk ratio = 0.46), smoking (risk ratio = 3.5), and diabetes (risk ratio = 0.34). Significant independent prognostic factors for the time to mortality were use of statins (risk ratio = 0.05), use of digoxin (risk ratio = 4.2), systemic hypertension (risk ratio = 14.2), diabetes (risk ratio = 4.3), and left ventricular ejection fraction (risk ratio = 1.1).
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Affiliation(s)
- Harit Desai
- Department of Medicine, New York Medical College, Valhalla, 10595, USA
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45
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Meyer T, Robles-Carrillo L, Robson T, Langer F, Desai H, Davila M, Amaya M, Francis JL, Amirkhosravi A. Bevacizumab immune complexes activate platelets and induce thrombosis in FCGR2A transgenic mice. J Thromb Haemost 2009; 7:171-81. [PMID: 18983497 DOI: 10.1111/j.1538-7836.2008.03212.x] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [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: 11/29/2022]
Abstract
BACKGROUND Treatment with Bevacizumab has been associated with arterial thromboembolism in colorectal cancer patients. However, the mechanism of this remains poorly understood, and preclinical testing in mice failed to predict thrombosis. OBJECTIVE We investigated whether thrombosis might be the result of platelet activation mediated via the FcgammaRIIa (IgG) receptor - which is not present on mouse platelets - and aimed to identify the functional roles of heparin and platelet surface localization in Bev-induced FcgammaRIIa activation. METHODS AND RESULTS We found that Bev immune complexes (IC) activate platelets via FcgammaRIIa, and therefore attempted to reproduce this finding in vivo using FcgammaRIIa (hFcR) transgenic mice. Bev IC were shown to be thrombotic in hFcR mice in the presence of heparin. This activity required the heparin-binding domain of Bev's target, vascular endothelial growth factor (VEGF). Heparin promoted Bev IC deposition on to platelets in a mechanism similar to that observed with antibodies from patients with heparin-induced thrombocytopenia. When sub-active amounts of ADP or thrombin were used to prime platelets (simulating hypercoagulability in patients), Bev IC-induced dense granule release was significantly potentiated, and much lower (sub-therapeutic) heparin concentrations were sufficient for Bev IC-induced platelet aggregation. CONCLUSIONS The prevailing rationale for thrombosis in Bev therapy is that VEGF blockade leads to vascular inflammation and clotting. However, we conclude that Bev can induce platelet aggregation, degranulation and thrombosis through complex formation with VEGF and activation of the platelet FcgammaRIIa receptor, and that this provides a better explanation for the thrombotic events observed in vivo.
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Affiliation(s)
- T Meyer
- Center for Thrombosis Research, Florida Hospital, Orlando, FL, USA.
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Meyer T, Robles-Carrillo L, Robson T, Langer F, Desai H, Davila M, Amaya M, Francis JL, Amirkhosravi A. Bevacizumab immune complexes activate platelets and induce thrombosis in FCGR2A transgenic mice. J Thromb Haemost 2008. [PMID: 18983497 DOI: 10.1111/j.1538-7836.2208.03212.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Treatment with Bevacizumab has been associated with arterial thromboembolism in colorectal cancer patients. However, the mechanism of this remains poorly understood, and preclinical testing in mice failed to predict thrombosis. OBJECTIVE We investigated whether thrombosis might be the result of platelet activation mediated via the FcgammaRIIa (IgG) receptor - which is not present on mouse platelets - and aimed to identify the functional roles of heparin and platelet surface localization in Bev-induced FcgammaRIIa activation. METHODS AND RESULTS We found that Bev immune complexes (IC) activate platelets via FcgammaRIIa, and therefore attempted to reproduce this finding in vivo using FcgammaRIIa (hFcR) transgenic mice. Bev IC were shown to be thrombotic in hFcR mice in the presence of heparin. This activity required the heparin-binding domain of Bev's target, vascular endothelial growth factor (VEGF). Heparin promoted Bev IC deposition on to platelets in a mechanism similar to that observed with antibodies from patients with heparin-induced thrombocytopenia. When sub-active amounts of ADP or thrombin were used to prime platelets (simulating hypercoagulability in patients), Bev IC-induced dense granule release was significantly potentiated, and much lower (sub-therapeutic) heparin concentrations were sufficient for Bev IC-induced platelet aggregation. CONCLUSIONS The prevailing rationale for thrombosis in Bev therapy is that VEGF blockade leads to vascular inflammation and clotting. However, we conclude that Bev can induce platelet aggregation, degranulation and thrombosis through complex formation with VEGF and activation of the platelet FcgammaRIIa receptor, and that this provides a better explanation for the thrombotic events observed in vivo.
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Affiliation(s)
- T Meyer
- Center for Thrombosis Research, Florida Hospital, Orlando, FL, USA.
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Lai HM, Aronow WS, Kruger A, Desai H, Amin H, Frishman WH, Cohen M, Sorbera C. BETA-BLOCKERS, ANGIOTENSIN-CONVERTING ENZYME INHIBITORS OR ANGIOTENSIN RECEPTOR BLOCKERS, AND STATINS REDUCE MORTALITY IN PATIENTS WITH IMPLANTABLE CARDIOVERTER-DEFIBRILLATORS. Chest 2008. [DOI: 10.1378/chest.134.4_meetingabstracts.p26001] [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: 11/01/2022] Open
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Kruger A, Aronow WS, Lai HM, Desai H, Singla A, Frishman WH, Cohen M, Sorbera C. PREVALENCE OF APPROPRIATE CARDIOVERTER-DEFIBRILLATOR SHOCKS IN 1,038 CONSECUTIVE PATIENTS WITH IMPLANTABLE CARDIOVERTER-DEFIBRILLATORS. Chest 2008. [DOI: 10.1378/chest.134.4_meetingabstracts.s1004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Davila M, Amirkhosravi A, Coll E, Desai H, Robles L, Colon J, Baker CH, Francis JL. Tissue factor-bearing microparticles derived from tumor cells: impact on coagulation activation. J Thromb Haemost 2008; 6:1517-24. [PMID: 18433463 DOI: 10.1111/j.1538-7836.2008.02987.x] [Citation(s) in RCA: 180] [Impact Index Per Article: 11.3] [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: 12/16/2022]
Abstract
BACKGROUND Tissue factor (TF)-bearing microparticles (MP) from different origins are thought to be involved in the pathogenesis of cancer-associated thrombosis. However, the role of circulating tumor cell-derived TF is not well understood. METHODS TF antigen and activity were measured in MP generated in vitro from human TF-expressing cancer cells by ELISA and clotting or thrombin generation assays, respectively. TF antigen and activity were also measured in vivo in cell-free plasmas from mice previously injected with in vitro-generated MP or in cell-free plasmas from nude mice bearing orthotopically injected human cancer cells. RESULTS Tumor cell-derived MP (TMP) exhibited strong TF-dependent procoagulant activity (PCA) in vitro and in vivo. Injection of TMP into mice was associated with acute thrombocytopenia and signs of shock, which were prevented by prior heparinization. Human TF antigen and activity could be detected in mouse cell-free plasmas up to 30 min after TMP injections. Human TF was detected in the spleen of injected mice and its clearance from circulation was delayed in splenectomized mice, suggesting the involvement of the spleen in the rapid clearance of circulating MP in vivo. Detectable levels of TF-dependent PCA and thrombin-antithrombin complex were found in cell-free plasmas from mice growing pancreatic human tumors, suggesting that circulating tumor-derived TF causes coagulation activation in vivo. CONCLUSIONS MP derived from certain cancer cells exhibit TF-dependent PCA both in vitro and in vivo. These results provide new information about the specific contribution of tumor-derived MP to the hypercoagulable state observed in cancer.
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Affiliation(s)
- M Davila
- Institute of Translational Research, Florida Hospital, Orlando, FL, USA.
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Lai HM, Aronow WS, Kruger A, Desai H, Amin H, Frishman WH, Cohen M, Sorbera C. Effect of beta blockers, angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, and statins on mortality in patients with implantable cardioverter-defibrillators. Am J Cardiol 2008; 102:77-8. [PMID: 18572039 DOI: 10.1016/j.amjcard.2008.02.103] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2008] [Revised: 02/26/2008] [Accepted: 02/26/2008] [Indexed: 10/22/2022]
Abstract
Nine hundred sixty-five patients (mean age 70 years) with implantable cardioverter-defibrillator were followed for 32 +/- 33 months for all-cause mortality. Death occurred in 73 of 515 patients (13%) treated with beta blockers (group 1), in 84 of 494 patients (17%) treated with angiotensin-converting enzyme inhibitors or angiotensin receptor blockers (group 2), in 56 of 402 patients (14%) treated with statins (group 3), in 40 of 227 patients (18%) treated with amiodarone (group 4), in 5 of 26 patients (19%) treated with sotalol (group 5), and in 64 of 265 patients (24%) treated with no beta blocker, angiotensin-converting enzyme inhibitor or angiotensin receptor blocker, statin, amiodarone, or sotalol (group 6) (p <0.001 for group 1 vs group 6 and group 3 vs group 6, p <0.02 for group 2 vs group 6). In conclusion, patients with implantable cardioverter-defibrillators should be treated with beta blockers, angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, and statins to reduce mortality.
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