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Cusinato M, Gates J, Jajbhay D, Planche T, Ong YE. Increased risk of death in COVID-19 hospital admissions during the second wave as compared to the first epidemic wave: a prospective, single-centre cohort study in London, UK. Infection 2021; 50:457-465. [PMID: 34674158 PMCID: PMC8529375 DOI: 10.1007/s15010-021-01719-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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] [Received: 08/11/2021] [Accepted: 10/10/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND The second coronavirus disease (COVID-19) epidemic wave in the UK progressed aggressively and was characterised by the emergence and circulation of variant of concern alpha (VOC 202012/01). The impact of this variant on in-hospital COVID-19-specific mortality has not been widely studied. We aimed to compare mortality, clinical characteristics, and management of COVID-19 patients across epidemic waves to better understand the progression of the epidemic at a hospital level and support resource planning. METHODS We conducted an analytical, dynamic cohort study in a large hospital in South London. We included all adults (≥ 18 years) with confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) who required hospital admission to COVID-19-specific wards between January 2020 and March 2021 (n = 2701). Outcome was COVID-19-specific in-hospital mortality ascertained through Medical Certificate Cause of Death. RESULTS In the second wave, the number of COVID-19 admissions doubled, and the crude mortality rate dropped 25% (1.66 versus 2.23 per 100 person-days in second and first wave, respectively). After accounting for age, sex, dexamethasone, oxygen requirements, symptoms at admission and Charlson Comorbidity Index, mortality hazard ratio associated with COVID-19 admissions was 1.62 (95% CI 1.26, 2.08) times higher in the second wave. CONCLUSIONS Although crude mortality rates dropped during the second wave, the multivariable analysis suggests a higher underlying risk of death for COVID-19 admissions in the second wave. These findings are ecologically correlated with an increased circulation of SARS-CoV-2 variant of concern 202012/1 (alpha). Availability of improved management, particularly dexamethasone, was important in reducing risk of death.
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Affiliation(s)
- Martina Cusinato
- Institute for Infection and Immunity, St. George's University of London, London, UK.
| | - Jessica Gates
- Department of Respiratory Medicine, St. George's University Hospitals NHS Foundation Trust, London, UK
| | - Danyal Jajbhay
- Department of Respiratory Medicine, St. George's University Hospitals NHS Foundation Trust, London, UK
| | - Timothy Planche
- Institute for Infection and Immunity, St. George's University of London, London, UK
| | - Yee Ean Ong
- Department of Respiratory Medicine, St. George's University Hospitals NHS Foundation Trust, London, UK.,Institute of Medical and Biomedical Education, St. George's University of London, London, UK
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Hopkinson N, Wallis C, Higgins B, Gaduzo S, Sherrington R, Keilty S, Stern M, Britton J, Bush A, Moxham J, Sylvester K, Griffiths V, Sutherland T, Crossingham I, Raju R, Spencer C, Safavi S, Deegan P, Seymour J, Hickman K, Hughes J, Wieboldt J, Shaheen F, Peedell C, Mackenzie N, Nicholl D, Jolley C, Crooks G, Crooks G, Dow C, Deveson P, Bintcliffe O, Gray B, Kumar S, Haney S, Docherty M, Thomas A, Chua F, Dwarakanath A, Summers G, Prowse K, Lytton S, Ong YE, Graves J, Banerjee T, English P, Leonard A, Brunet M, Chaudhry N, Ketchell RI, Cummings N, Lebus J, Sharp C, Meadows C, Harle A, Stewart T, Parry D, Templeton-Wright S, Moore-Gillon J, Stratford- Martin J, Saini S, Matusiewicz S, Merritt S, Dowson L, Satkunam K, Hodgson L, Suh ES, Durrington H, Browne E, Walters N, Steier J, Barry S, Griffiths M, Hart N, Nikolic M, Berry M, Thomas A, Miller J, McNicholl D, Marsden P, Warwick G, Barr L, Adeboyeku D, Mohd Noh MS, Griffiths P, Davies L, Quint J, Lyall R, Shribman J, Collins A, Goldman J, Bloch S, Gill A, Man W, Christopher A, Yasso R, Rajhan A, Shrikrishna D, Moore C, Absalom G, Booton R, Fowler RW, Mackinlay C, Sapey E, Lock S, Walker P, Jha A, Satia I, Bradley B, Mustfa N, Haqqee R, Thomas M, Patel A, Redington A, Pillai A, Keaney N, Fowler S, Lowe L, Brennan A, Morrison D, Murray C, Hankinson J, Dutta P, Maddocks M, Pengo M, Curtis K, Rafferty G, Hutchinson J, Whitfield R, Turner S, Breen R, Naveed SUN, Goode C, Esterbrook G, Ahmed L, Walker W, Ford D, Connett G, Davidson P, Elston W, Stanton A, Morgan D, Myerson J, Maxwell D, Harrris A, Parmar S, Houghton C, Winter R, Puthucheary Z, Thomson F, Sturney S, Harvey J, Haslam PL, Patel I, Jennings D, Range S, Mallia-Milanes B, Collett A, Tate P, Russell R, Feary J, O'Driscoll R, Eaden J, Round J, Sharkey E, Montgomery M, Vaughan S, Scheele K, Lithgow A, Partridge S, Chavasse R, Restrick L, Agrawal S, Abdallah S, Lacy-Colson A, Adams N, Mitchell S, Haja Mydin H, Ward A, Denniston S, Steel M, Ghosh D, Connellan S, Rigge L, Williams R, Grove A, Anwar S, Dobson L, Hosker H, Stableforth D, Greening N, Howell T, Casswell G, Davies S, Tunnicliffe G, Mitchelmore P, Phitidis E, Robinson L, Prowse K, Bafadhel M, Robinson G, Boland A, Lipman M, Bourke S, Kaul S, Cowie C, Forrest I, Starren E, Burke H, Furness J, Bhowmik A, Everett C, Seaton D, Holmes S, Doe S, Parker S, Graham A, Paterson I, Maqsood U, Ohri C, Iles P, Kemp S, Iftikhar A, Carlin C, Fletcher T, Emerson P, Beasley V, Ramsay M, Buttery R, Mungall S, Crooks S, Ridyard J, Ross D, Guadagno A, Holden E, Coutts I, Cullen K, O'Connor S, Barker J, Sloper K, Watson J, Smith P, Anderson P, Brown L, Nyman C, Milburn H, Clive A, Serlin M, Bolton C, Fuld J, Powell H, Dayer M, Woolhouse I, Georgiadi A, Leonard H, Dodd J, Campbell I, Ruiz G, Zurek A, Paton JY, Malin A, Wood F, Hynes G, Connell D, Spencer D, Brown S, Smith D, Cooper D, O'Kane C, Hicks A, Creagh-Brown B, Lordan J, Nickol A, Primhak R, Fleming L, Powrie D, Brown J, Zoumot Z, Elkin S, Szram J, Scaffardi A, Marshall R, Macdonald I, Lightbody D, Farmer R, Wheatley I, Radnan P, Lane I, Booth A, Tilbrook S, Capstick T, Hewitt L, McHugh M, Nelson C, Wilson P, Padmanaban V, White J, Davison J, O'Callaghan U, Hodson M, Edwards J, Campbell C, Ward S, Wooler E, Ringrose E, Bridges D, Long A, Parkes M, Clarke S, Allen B, Connelly C, Forster G, Hoadley J, Martin K, Barnham K, Khan K, Munday M, Edwards C, O'Hara D, Turner S, Pieri-Davies S, Ford K, Daniels T, Wright J, Towns R, Fern K, Butcher J, Burgin K, Winter B, Freeman D, Olive S, Gray L, Pye K, Roots D, Cox N, Davies CA, Wicker J, Hilton K, Lloyd J, MacBean V, Wood M, Kowal J, Downs J, Ryan H, Guyatt F, Nicoll D, Lyons E, Narasimhan D, Rodman A, Walmsley S, Newey A, Buxton M, Dewar M, Cooper A, Reilly J, Lloyd J, Macmillan AB, Roots D, Olley A, Voase N, Martin S, McCarvill I, Christensen A, Agate R, Heslop K, Timlett A, Hailes K, Davey C, Pawulska B, Lane A, Ioakim S, Hough A, Treharne J, Jones H, Winter-Burke A, Miller L, Connolly B, Bingham L, Fraser U, Bott J, Johnston C, Graham A, Curry D, Sumner H, Costello CA, Bartoszewicz C, Badman R, Williamson K, Taylor A, Purcell H, Barnett E, Molloy A, Crawfurd L, Collins N, Monaghan V, Mir M, Lord V, Stocks J, Edwards A, Greenhalgh T, Lenney W, McKee M, McAuley D, Majeed A, Cookson J, Baker E, Janes S, Wedzicha W, Lomas Dean D, Harrison B, Davison T, Calverley P, Wilson R, Stockley R, Ayres J, Gibson J, Simpson J, Burge S, Warner J, Lenney W, Thomson N, Davies P, Woodcock A, Woodhead M, Spiro S, Ormerod L, Bothamley G, Partridge M, Shields M, Montgomery H, Simonds A, Barnes P, Durham S, Malone S, Arabnia G, Olivier S, Gardiner K, Edwards S. Children must be protected from the tobacco industry's marketing tactics. BMJ 2013; 347:f7358. [PMID: 24324220 DOI: 10.1136/bmj.f7358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Nicholas Hopkinson
- British Thoracic Society Chronic Obstructive Pulmonary Disease Specialist Advisory Group, National Heart and Lung Institute, Imperial College, London SW3 6NP, UK
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Fraser A, Ong YE. Interpreting arterial blood gases. Assoc Med J 2012. [DOI: 10.1136/sbmj.e818] [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: 11/03/2022]
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Affiliation(s)
- Farid Bazari
- Department of Respiratory Medicine, Kingston Hospital, Surrey, UK.
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Lo SS, Ong YE, Sheppard MN, Bennett JG, Weinbren MJ, Poole-Wilson PA. Streptococcal mural endocarditis and myocardial abscess occurring in a left ventricular aneurysm--case report and review. Clin Cardiol 2009; 21:435-8. [PMID: 9631275 PMCID: PMC6655303 DOI: 10.1002/clc.4960210614] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Infection of the mural endocardium within a left ventricular aneurysm without valvular involvement is exceedingly rare. The presenting clinical features can be non-specific, and a high index of suspicion is required for its diagnosis. Delay in diagnosis invariably leads to a fatal outcome. Although no controlled studies are available to guide therapy and management of these patients, appropriate antibiotic therapy and early surgical resection of the infected ventricular aneurysm remain the cornerstone of therapy.
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Affiliation(s)
- S S Lo
- Royal Brompton Hospital, London, U.K
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Madden BP, Sheth A, Wilde M, Ong YE. Does Sildenafil produce a sustained benefit in patients with pulmonary hypertension associated with parenchymal lung and cardiac disease? Vascul Pharmacol 2007; 47:184-8. [PMID: 17627899 DOI: 10.1016/j.vph.2007.06.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2006] [Revised: 06/07/2007] [Accepted: 06/12/2007] [Indexed: 10/23/2022]
Abstract
BACKGROUND Sildenafil may be of benefit for selected patients with pulmonary hypertension associated with parenchymal lung and cardiac diseases. However the medium term benefits of this treatment for such patients is unclear. PATIENTS AND METHODS 16 consecutive patients with secondary pulmonary hypertension who had been on maximal appropriate therapy received Sildenafil 50 mg tds following assessment which included right heart catheter, 2D echocardiography and six minute walk test. Right heart catheterisation, 2D echocardiography and six minute walk test were performed after eight weeks treatment, at 12 months and at six monthly intervals thereafter. Baseline medications were continued. RESULTS 16 patients with pulmonary hypertension associated with inoperable chronic pulmonary thromboembolism (6 patients), valvular heart disease (4), chronic obstructive pulmonary disease (3), idiopathic pulmonary fibrosis (2), and obstructive sleep apnoea (1) were studied. The age range was 42 to 81 (median 68) years and the period of follow up was 12 to 51 (median 22) months. Six minute walk increased significantly, p=0.002, from baseline to long term follow up. The improvement in 14 patients ranged from 14 m to 300 m with a percentage increase of 5% to 567% increase. In one patient there was no change and in one patient the six minute walk test fell as a consequence of progression of known arthritis. The mean pulmonary artery pressure was significantly reduced at long term follow up (p=0008). The pulmonary vascular resistance (PVR) fell in eleven patients, this reduction ranged from 0.2 woods units to 8.7 woods units (mean reduction 3.3 woods units). The percentage reduction in PVR ranged from 7% to 71% with a mean reduction of 43%. In five patients the pulmonary vascular resistance increased. 2D echocardiography showed a sustained improvement in right ventricular function in 11 patients. There were no deaths during follow up. CONCLUSION Sildenafil may have a role for selected patients with pulmonary hypertension associated with cardiac and pulmonary diseases. The medication seems well tolerated and for some patients is effective within 8 weeks and results in a sustained long term improvement in haemodynamics and exercise capacity.
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Affiliation(s)
- Brendan P Madden
- Department of Cardiothoracic Medicine, St George's Hospital, Atkinson Morley Wing Blackshaw Road, Tooting, London SW17 0QT, UK.
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Abstract
Pneumothorax is a relatively common condition that is usually managed either conservatively, by chest tube drainage or, if a refractory air leak persists, then with cardiothoracic intervention. However, there is a small group of patients with a persistent air leak in whom surgical intervention is felt to be inappropriate. This study looks at a novel management strategy in a patient presenting with this scenario. A male with underlying bullous lung disease presented with a right pneumothorax. Complete re-expansion was not achieved, despite chest tube drainage and suction. Cardiothoracic intervention was felt to be inappropriate and the air leak persisted despite prolonged conservative management. Ventilation scintigraphy was therefore used to localise the air leak prior to targeted radiotherapy in an attempt to seal the leak via radiation-induced fibrosis. Three weeks after the first fraction of radiotherapy, the air leak ceased. In complex cases of pneumothorax with persistent air leak where cardiothoracic intervention is deemed inappropriate, identification of the air leak site and localised radiotherapy could be considered.
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Affiliation(s)
- Y E Ong
- St. George's Hospital, Blackshaw Road, Tooting, London SW17 0QT, UK.
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Ong YE, Menzies-Gow A, Barkans J, Benyahia F, Ou TT, Ying S, Kay AB. Anti-IgE (omalizumab) inhibits late-phase reactions and inflammatory cells after repeat skin allergen challenge. J Allergy Clin Immunol 2005; 116:558-64. [PMID: 16159624 DOI: 10.1016/j.jaci.2005.05.035] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2005] [Revised: 04/26/2005] [Accepted: 05/04/2005] [Indexed: 10/25/2022]
Abstract
BACKGROUND Anti-IgE (omalizumab) inhibited early and late asthmatic reactions and infiltration of inflammatory cells in asthmatic bronchial biopsies at baseline. The effect of chronic allergen exposure on these outcomes is unknown. Repeat allergen challenge in human skin represents a suitable model to address this question. OBJECTIVE To study the effect of anti-IgE (omalizumab) on early-phase (EPR) and late-phase (LPR) skin reactions and cellular infiltration by using a repeat skin allergen challenge designed to imitate chronic allergen exposure. METHODS Twenty-four atopic allergic volunteers received omalizumab or placebo for 12 weeks. Paired intradermal challenges of allergen (30 biological units) and diluent control were administered on 9 occasions at 2-week intervals. Early-phase and late-phase skin reactions and cellular infiltration in skin biopsies (using immunohistochemistry and in situ hybridization) were measured at intervals. RESULTS Compared with placebo, omalizumab-treated patients had a progressive reduction in the LPR that was significantly greater than its effect on the EPR (median, --63% vs--24% respectively; P=.009). In addition, significant reduction of the LPR was reached within 2 weeks of commencing treatment, compared with 8 weeks for the EPR. There was a priming effect of repeated allergen challenge on infiltration of eosinophil, neutrophil, T(H)2 (CD3(+)/IL-4(+)), and total FcepsilonRI(+) cells in patients on placebo that was abrogated in those receiving omalizumab. CONCLUSION The more marked effect of omalizumab on the LPR and prevention of the repeat-dose priming effect on several inflammatory cell types support a role for anti-IgE treatment in conditions associated with chronic allergic inflammation.
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Affiliation(s)
- Yee Ean Ong
- Department of Allergy and Clinical Immunology, Imperial College London, National Heart and Lung Institute, South Kensington, London, UK
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Sheth A, Park JES, Ong YE, Ho TB, Madden BP. Early haemodynamic benefit of sildenafil in patients with coexisting chronic thromboembolic pulmonary hypertension and left ventricular dysfunction. Vascul Pharmacol 2005; 42:41-5. [PMID: 15722248 DOI: 10.1016/j.vph.2004.11.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2004] [Revised: 11/11/2004] [Accepted: 11/18/2004] [Indexed: 11/29/2022]
Abstract
Sildenafil, a phosphodiesterase type-5 inhibitor, offers potential to treat pulmonary hypertension associated with a variety of conditions. We assessed the early impact of sildenafil on a cohort of patients referred to our unit who had severe pulmonary hypertension secondary to chronic thromboembolic disease which was not amenable to pulmonary thromboendarterectomy and who also had coexisting left ventricular dysfunction. Six patients were studied. Diagnosis of pulmonary embolic disease was made by ventilation perfusion scanning and/or CT pulmonary angiography. All patients were anticoagulated with oral coumarin derivatives and none were considered suitable for pulmonary thromboendarterectomy. Pulmonary hypertension was diagnosed by right heart catheterisation and each patient had Medical Research Council (MRC) dyspnoea score and New York Heart Association (NYHA) class noted and 2D echocardiography prior to commencement of sildenafil 50 mg three times a day. After 6 weeks of sildenafil therapy, right heart catheterisation and 2D echocardiography were repeated, and MRC dyspnoea score, NYHA class and exercise capacity were recorded. All patients demonstrated an improvement in mean pulmonary artery pressure, mean pulmonary capillary wedge pressure, MRC dyspnoea score, NYHA class and gas transfer. No adverse effects of sildenafil were noted. Our data suggests that sildenafil is an effective and well-tolerated therapy for patients with severe pulmonary hypertension associated with pulmonary thromboembolic disease and impaired left ventricular function, producing beneficial effects as early as 6 weeks.
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Affiliation(s)
- Abhijat Sheth
- Department of Cardiothoracic surgery, St Georges Hospital, London SW17 0QT, UK
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Phipps S, Flood-Page P, Menzies-Gow A, Ong YE, Kay AB. Intravenous anti-IL-5 monoclonal antibody reduces eosinophils and tenascin deposition in allergen-challenged human atopic skin. J Invest Dermatol 2004; 122:1406-12. [PMID: 15175031 DOI: 10.1111/j.0022-202x.2004.22619.x] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Anti-IL-5 monoclonal antibody (mepolizumab) reduces baseline bronchial mucosal eosinophils and deposition of extracellular matrix proteins in the reticular basement membrane in mild asthma. Here we report the effect of anti-IL-5, in the same patients, on allergen-induced eosinophil accumulation, tenascin deposition (as a marker of repair and remodelling) and the magnitude of the late-phase allergic cutaneous reaction. Skin biopsies were performed in 24 atopic subjects at allergen- and diluent-injected sites before 6 and 48 h after, three infusions of a humanized, monoclonal antibody against IL-5 (mepolizumab) using a randomized double-blind, placebo-controlled design. Anti-IL-5 significantly inhibited eosinophil infiltration in 6 h and 48 h skin biopsies as well as the numbers of tenascin immunoreactive cells at 48 h. In contrast, anti-IL-5 had no significant effect on the size of the 6 or 48 h late-phase cutaneous allergic reaction. This study (a) suggests that eosinophils are unlikely to cause the redness, swelling, and induration characteristic of the peak (6 h) late-phase cutaneous allergic reaction and (b) shows that decreases in tenascin positive cells at 48 h correlates with reduction of eosinophils, so providing further evidence of involvement in remodelling processes associated with allergic inflammation.
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Affiliation(s)
- Simon Phipps
- Department of Allergy and Clinical Immunology, Imperial College London, NHLI Division, London, UK
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Ong YE, Crowther A, Miller A. Rapid diagnosis of massive pulmonary embolism in a district general hospital. Int J Clin Pract 2000; 54:144-6. [PMID: 10829355] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
Effective treatment of massive pulmonary embolism is more likely if diagnostic tests are rapidly available, including during out-of-hours. An agreed protocol was implemented in November 1997, which allowed initiation of thrombolysis by junior doctors within an hour of clinical suspicion of the diagnosis of massive pulmonary embolism in six patients in the subsequent year. A similar approach could be considered by other acute hospitals.
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Affiliation(s)
- Y E Ong
- Mayday University Hospital, Croydon, Surrey, UK
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