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Lawlor K, Clausen J, Johnston A, Edge A, Wolff K, Castrignanò E, Couchman L. A review of analytical parameters in 'rapid' liquid chromatographic methods for bioanalysis: Can we do better? J Chromatogr A 2024; 1721:464803. [PMID: 38547680 DOI: 10.1016/j.chroma.2024.464803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 02/22/2024] [Accepted: 03/06/2024] [Indexed: 04/13/2024]
Abstract
Rapid bioanalysis is beneficial to many applications. However, how 'rapid' a method is, or could be, is often an unanswered question. In this statistical review, the authors have assessed multiple pre-analytical (i.e. sample preparation), and analytical method parameters specifically for liquid chromatography to assist researchers in developing and validating 'rapid' bioanalytical methods. We restricted the search to urine and plasma matrices only. Data were extracted from over 2,000 recent studies and evaluated to assess how these parameters affected the 'on-instrument' analysis time. In addition to methods using ultra-violet (UV) detection, there were a large number of mass spectrometric (MS) methods, allowing additional review of the differences between high- and low-resolution MS on analysis time. We observed that most (N = 922, 70 %) methods used 5 or 10 cm columns, and that whilst uptake of ultra-high performance (U)HPLC columns was good, the use of sub-5 cm columns and/or flow rates in excess of 1 mL/min was incredibly rare (N = 25, 3 %). The detector of choice for quantitative (U)HPLC-MS remains the triple quadrupole, although a number of groups report the use of high-resolution MS for such methods.
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Affiliation(s)
- K Lawlor
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, SE1 9NH, UK; Analytical Services International, St. George's University of London, Cranmer Terrace, London, SW17 0RE, UK.
| | - J Clausen
- Analytical Services International, St. George's University of London, Cranmer Terrace, London, SW17 0RE, UK
| | - A Johnston
- Analytical Services International, St. George's University of London, Cranmer Terrace, London, SW17 0RE, UK
| | - A Edge
- Avantor Sciences, The Markham Centre, Station Road, Theale, Reading, RG7 4PE
| | - K Wolff
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, SE1 9NH, UK; Drug Control Centre, King's College London, London, SE1 9NH, UK
| | - E Castrignanò
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, SE1 9NH, UK; Drug Control Centre, King's College London, London, SE1 9NH, UK
| | - L Couchman
- Department of Analytical, Environmental and Forensic Sciences, King's College London, London, SE1 9NH, UK; Analytical Services International, St. George's University of London, Cranmer Terrace, London, SW17 0RE, UK
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Alhuneafat L, Jabri A, Alameh A, Al-Abdouh A, Mhanna M, Elhamdani A, Hammad N, Shahrori ZM, Alabdallat MY, Johnston A, Kondapaneni MD, Siraj A. RELATIONSHIP BETWEEN BODY MASS INDEX AND OUTCOMES IN ACUTE MYOCARDIAL INFARCTION. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)01567-x] [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: 03/06/2023]
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Arunthamakun N, Appiah-Kubi E, Amoateng R, Johnston A, Gadani M. ASSOCIATION OF SOCIAL DETERMINANTS OF HEALTH IN PATIENTS WITH HYPERTENSION IN THE OUTPATIENT SETTING. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)02196-4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Mariappan P, Johnston A, Trail M, Hamid S, Hollins G, Dreyer B, Ramsey S, Padovani L, Guerrero Enriquez J, Simpson H, Hasan R, Sharpe C, Thomas B, Bhatt J, Ahmad I, Nandwani G, Chaudhry A, Boden A, Khan R, Maresca G, Dimitropoulos K, Graham C, Hendry D. Can repeat TURBT in patients presenting with High Grade Ta Urothelial Carcinoma be more nuanced? Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00752-2] [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: 02/12/2023]
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Johnston A, Rose B, Bilmen J, Fale A. 1295 CAN THE HOSPITAL FRAILTY RISK SCORE BE USED TO PREDICT POST-OPERATIVE OUTCOMES IN SPINAL SURGERY? Age Ageing 2023. [DOI: 10.1093/ageing/afac322.045] [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: 01/18/2023] Open
Abstract
Abstract
Introduction
Frailty is a syndrome associated with increasing numbers of elderly hospital admissions and prolonged inpatient stays (Archibald et al, Geriatrics, 2020, 20, 17). In 2015, an estimated 14% of inpatients in the UK were considered to have a degree of frailty, representing an approximate annual cost to the NHS of £5.8 billion (Soong et al, BMJ Open, 2015, 5, e008456; Han et al, Age and Aging, 2019, 48, 665-671). Frailty is poorly defined; there are discrepancies in existing literature on how to best quantify frailty. It is recognised there is a higher risk of adverse outcomes in this vulnerable population due to lack of physiological reserve (Clegg et al, The Lancet, 2013, 381, 752-762). The Hospital Frailty Risk Score (HFRS) is a recent development to measure frailty and identify patients at risk (Gilbert et al, The Lancet, 2018, 391, 1775-1782). This study sought to establish whether the HFRS could be used in patients with degenerative spinal disease, undergoing decompression surgery, to predict post-operative outcomes.
Methods
A retrospective service evaluation of eligible patients in Leeds Teaching Hospitals Trust between March 2018 - March 2020. The exposure was the patients’ HFRS; the outcome was the length of stay (LOS) until physiotherapy discharge. Data was sourced from electronic records.
Results
214 patients were identified with an available HFRS value. Patients were categorised as low, intermediate or high frailty. Kruskal-Wallis test for LOS and categorical HFRS: X2 =8.673, p<0.05. The median HFRS value was 1.25 (interquartile range 0.00 to 3.35). Mann-Whitney U test for LOS and numerical HFRS: W=29297, p<0.05.
Conclusions
The results of this study complement pre-existing studies of similar natures, evaluating frailty scoring and post-operative outcomes, thus, supporting the potential for standardised use of HFRS alongside holistic patient examination to streamline pre-assessment, improve outcomes and reduce the NHS frailty burden.
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Affiliation(s)
| | | | | | - A Fale
- Leeds Teaching Hospitals Trust
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6
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Huang Y, Jones CK, Zhang X, Johnston A, Waktola S, Aygun N, Witham TF, Bydon A, Theodore N, Helm PA, Siewerdsen JH, Uneri A. Multi-perspective region-based CNNs for vertebrae labeling in intraoperative long-length images. Comput Methods Programs Biomed 2022; 227:107222. [PMID: 36370597 DOI: 10.1016/j.cmpb.2022.107222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
PURPOSE Effective aggregation of intraoperative x-ray images that capture the patient anatomy from multiple view-angles has the potential to enable and improve automated image analysis that can be readily performed during surgery. We present multi-perspective region-based neural networks that leverage knowledge of the imaging geometry for automatic vertebrae labeling in Long-Film images - a novel tomographic imaging modality with an extended field-of-view for spine imaging. METHOD A multi-perspective network architecture was designed to exploit small view-angle disparities produced by a multi-slot collimator and consolidate information from overlapping image regions. A second network incorporates large view-angle disparities to jointly perform labeling on images from multiple views (viz., AP and lateral). A recurrent module incorporates contextual information and enforce anatomical order for the detected vertebrae. The three modules are combined to form the multi-view multi-slot (MVMS) network for labeling vertebrae using images from all available perspectives. The network was trained on images synthesized from 297 CT images and tested on 50 AP and 50 lateral Long-Film images acquired from 13 cadaveric specimens. Labeling performance of the multi-perspective networks was evaluated with respect to the number of vertebrae appearances and presence of surgical instrumentation. RESULTS The MVMS network achieved an F1 score of >96% and an average vertebral localization error of 3.3 mm, with 88.3% labeling accuracy on both AP and lateral images - (15.5% and 35.0% higher than conventional Faster R-CNN on AP and lateral views, respectively). Aggregation of multiple appearances of the same vertebra using the multi-slot network significantly improved the labeling accuracy (p < 0.05). Using the multi-view network, labeling accuracy on the more challenging lateral views was improved to the same level as that of the AP views. The approach demonstrated robustness to the presence of surgical instrumentation, commonly encountered in intraoperative images, and achieved comparable performance in images with and without instrumentation (88.9% vs. 91.2% labeling accuracy). CONCLUSION The MVMS network demonstrated effective multi-perspective aggregation, providing means for accurate, automated vertebrae labeling during spine surgery. The algorithms may be generalized to other imaging tasks and modalities that involve multiple views with view-angle disparities (e.g., bi-plane radiography). Predicted labels can help avoid adverse events during surgery (e.g., wrong-level surgery), establish correspondence with labels in preoperative modalities to facilitate image registration, and enable automated measurement of spinal alignment metrics for intraoperative assessment of spinal curvature.
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Affiliation(s)
- Y Huang
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States
| | - C K Jones
- Department of Computer Science, Johns Hopkins University, Baltimore MD, United States
| | - X Zhang
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States
| | - A Johnston
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States
| | - S Waktola
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States
| | - N Aygun
- Department of Radiology, Johns Hopkins Medicine, Baltimore MD, United States
| | - T F Witham
- Department of Neurosurgery, Johns Hopkins Medicine, Baltimore MD, United States
| | - A Bydon
- Department of Neurosurgery, Johns Hopkins Medicine, Baltimore MD, United States
| | - N Theodore
- Department of Neurosurgery, Johns Hopkins Medicine, Baltimore MD, United States
| | - P A Helm
- Medtronic, Littleton MA, United States
| | - J H Siewerdsen
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States; Department of Computer Science, Johns Hopkins University, Baltimore MD, United States; Department of Radiology, Johns Hopkins Medicine, Baltimore MD, United States; Department of Neurosurgery, Johns Hopkins Medicine, Baltimore MD, United States; Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston TX, United States
| | - A Uneri
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore MD, United States.
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Johnston A, Dancey SR, Tseung V, Skidmore B, Fell DB, Tanuseputro P, Smith GN, Coutinho T, Edwards JD. A systematic review of validated case-finding definitions to identify hypertensive disorders of pregnancy in administrative healthcare databases. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2504] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Administrative healthcare data are frequently used to study cardiovascular disease (CVD) risk in women with hypertensive disorders of pregnancy (HDP); however, little is known about the validity of case-finding definitions (CFDs, e.g., International Classification of Disease codes/algorithms) designed to identify these conditions in administrative databases.
Purpose
To systematically identify and summarize available evidence on the validity of administrative CFDs for HDP.
Methods
Four bibliographic databases and grey literature sources were searched for eligible studies. The titles/abstracts of all records were independently screened for eligibility by two reviewers, then assessed at full text. Study data (design and participant characteristics, validation statistics) were extracted by two independent reviewers and discrepancies resolved through consensus. Quality of reporting was assessed using checklists; risk of bias was assessed using a modified version of the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool, adapted for administrative validation studies.
Results
Twenty-five studies, published between 1998 and 2021, met the eligibility criteria. Nearly half (48%) were conducted in the United States. Ten studies validated CFDs for ≥1 HDP as a primary aim; most (60%) validated several maternal and infant morbidities, including ≥1 HDP. Preeclampsia (any, mild, moderate, serious, severe, superimposed) was the most validated HDP subtype. Only six studies reported gold standard definitions for all HDPs validated; definitions were heterogeneous with respect to blood pressure thresholds and timing of diagnosis. Seven studies (∼25%) reported all 2x2 table values (true positives/negatives, false positives/negatives) for ≥1 CFD, or they were calculable. The majority of CFDs reported in primary analyses (n=23) were highly specific (≥98%); however, sensitivity varied widely (3.2% to 100%; Figure 1). Nearly all (n=20, 87%) had a positive predictive value (PPV) of ≥70%, 13 of which had a PPV of >80% in combination with high specificity. Across studies, HDP prevalence ranged from 0.1% (eclampsia) to 37% (any maternal hypertensive disorder). Quality of reporting was generally poor to moderate, and all studies were judged to be at unclear or high risk of bias on ≥1 QUADAS-2 domain. Five studies were judged to be of “low concern” regarding study applicability (Figure 2).
Conclusions
Clinical understanding of CVD risk in women with HDP could be drastically impacted if there is low confidence that these conditions have been correctly identified from administrative data. Researchers should quantitatively explore the extent to which CVD risk estimates may be impacted by CFDs with low sensitivity and artificially inflated PPVs, influenced by greater study prevalence of HDP than would be expected in the general population. Higher quality validation studies that employ more rigorous methodology and improved reporting are needed.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- A Johnston
- School of Epidemiology and Public Health, University of Ottawa, & Brain and Heart Nexus Research Program, University of Ottawa Heart Institute , Ottawa , Canada
| | - S R Dancey
- University of Ottawa, School of Medicine , Ottawa , Canada
| | - V Tseung
- Brain and Heart Nexus Research Program, University of Ottawa Heart Institute , Ottawa , Canada
| | - B Skidmore
- Independent Information Specialist , Ottawa , Canada
| | - D B Fell
- School of Epidemiology and Public Health, University of Ottawa, Children's Hospital of Eastern Ontario Research Institute & ICES , Ottawa , Canada
| | - P Tanuseputro
- Ottawa Hospital Research Institute, University of Ottawa, Department of Medicine , Ottawa , Canada
| | - G N Smith
- Kingston Health Sciences Centre, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology , Kingston , Canada
| | - T Coutinho
- University of Ottawa Heart Institute, Division of Cardiac Prevention and Rehabilitation, Division of Cardiology & Canadian Women's Heart Health Centre , Ottawa , Canada
| | - J D Edwards
- Brain and Heart Nexus Research Program, University of Ottawa Heart Institute, School of Epidemiology and Public Health, University of Ottawa & ICES , Ottawa , Canada
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Dada O, Baig F, Johnston A. 1009 Severe Thoracic and Abdominal Surgical Emphysema in a Patient with COVID-19 Pneumonia. Br J Surg 2022. [DOI: 10.1093/bjs/znac269.094] [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: 11/05/2022]
Abstract
Abstract
Introduction
Surgical emphysema is a relatively common occurrence in intensive care unit but its degree of spread in our patient is unusual. We present a case of a young adult with rapid widespread crepitus and worsening respiratory dynamics.
Case description
35-year-old male with hypertension, type 2 diabetes and obesity was invasively ventilated for severe COVID-19 pneumonia. He developed reduced chest compliance, required high driving pressures, and had persistent hypoxia despite a high fraction of inspired oxygen. He was ventilated using protocolised ARDSNet lung protective ventilation (LPV) including periods of ventilation in the prone position. After 19 days of ventilation, worsening surgical emphysema was noted following a tracheostomy. Chest radiography demonstrated extensive extra-pulmonary air. Subsequent computed tomography confirmed widespread surgical emphysema from the face to the scrotum, bilateral pneumothoraces and pneumoperitoneum. Bilateral intercostal drains were inserted and LPV was continued. The pneumoperitoneum resolved with conservative management. The patient was mechanically ventilated for 59 days and was discharged home on day 104.
Discussion
Pneumothorax, pneumomediastinum and surgical emphysema can occur following high-pressure ventilation and surgical tracheostomy. However, pneumoperitoneum with extra-alveolar air collections communicating via potential fascial planes, perivascular sheaths or trans-diaphragmatic extension is rare. The cytokine storm postulated to occur in COVID-19 infection may cause alveolar destruction, leading to Macklin's phenomenon whereby air tracks along peri-bronchial vascular sheaths towards the mediastinum following alveolar rupture. In this patient, prolonged ventilation and high airway pressures probably compounded this effect and led to the complications described.
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Affiliation(s)
- O Dada
- University Hospitals Birmingham NHS Foundation Trust , Birmingham , United Kingdom
| | - F Baig
- University Hospitals Birmingham NHS Foundation Trust , Birmingham , United Kingdom
| | - A Johnston
- University Hospitals Birmingham NHS Foundation Trust , Birmingham , United Kingdom
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Kouli O, Murray V, Bhatia S, Cambridge WA, Kawka M, Shafi S, Knight SR, Kamarajah SK, McLean KA, Glasbey JC, Khaw RA, Ahmed W, Akhbari M, Baker D, Borakati A, Mills E, Thavayogan R, Yasin I, Raubenheimer K, Ridley W, Sarrami M, Zhang G, Egoroff N, Pockney P, Richards T, Bhangu A, Creagh-Brown B, Edwards M, Harrison EM, Lee M, Nepogodiev D, Pinkney T, Pearse R, Smart N, Vohra R, Sohrabi C, Jamieson A, Nguyen M, Rahman A, English C, Tincknell L, Kakodkar P, Kwek I, Punjabi N, Burns J, Varghese S, Erotocritou M, McGuckin S, Vayalapra S, Dominguez E, Moneim J, Salehi M, Tan HL, Yoong A, Zhu L, Seale B, Nowinka Z, Patel N, Chrisp B, Harris J, Maleyko I, Muneeb F, Gough M, James CE, Skan O, Chowdhury A, Rebuffa N, Khan H, Down B, Fatimah Hussain Q, Adams M, Bailey A, Cullen G, Fu YXJ, McClement B, Taylor A, Aitken S, Bachelet B, Brousse de Gersigny J, Chang C, Khehra B, Lahoud N, Lee Solano M, Louca M, Rozenbroek P, Rozitis E, Agbinya N, Anderson E, Arwi G, Barry I, Batchelor C, Chong T, Choo LY, Clark L, Daniels M, Goh J, Handa A, Hanna J, Huynh L, Jeon A, Kanbour A, Lee A, Lee J, Lee T, Leigh J, Ly D, McGregor F, Moss J, Nejatian M, O'Loughlin E, Ramos I, Sanchez B, Shrivathsa A, Sincari A, Sobhi S, Swart R, Trimboli J, Wignall P, Bourke E, Chong A, Clayton S, Dawson A, Hardy E, Iqbal R, Le L, Mao S, Marinelli I, Metcalfe H, Panicker D, R HH, Ridgway S, Tan HH, Thong S, Van M, Woon S, Woon-Shoo-Tong XS, Yu S, Ali K, Chee J, Chiu C, Chow YW, Duller A, Nagappan P, Ng S, Selvanathan M, Sheridan C, Temple M, Do JE, Dudi-Venkata NN, Humphries E, Li L, Mansour LT, Massy-Westropp C, Fang B, Farbood K, Hong H, Huang Y, Joan M, Koh C, Liu YHA, Mahajan T, Muller E, Park R, Tanudisastro M, Wu JJG, Chopra P, Giang S, Radcliffe S, Thach P, Wallace D, Wilkes A, Chinta SH, Li J, Phan J, Rahman F, Segaran A, Shannon J, Zhang M, Adams N, Bonte A, Choudhry A, Colterjohn N, Croyle JA, Donohue J, Feighery A, Keane A, McNamara D, Munir K, Roche D, Sabnani R, Seligman D, Sharma S, Stickney Z, Suchy H, Tan R, Yordi S, Ahmed I, Aranha M, El Sabawy D, Garwood P, Harnett M, Holohan R, Howard R, Kayyal Y, Krakoski N, Lupo M, McGilberry W, Nepon H, Scoleri Y, Urbina C, Ahmad Fuad MF, Ahmed O, Jaswantlal D, Kelly E, Khan MHT, Naidu D, Neo WX, O'Neill R, Sugrue M, Abbas JD, Abdul-Fattah S, Azlan A, Barry K, Idris NS, Kaka N, Mc Dermott D, Mohammad Nasir MN, Mozo M, Rehal A, Shaikh Yousef M, Wong RH, Curran E, Gardner M, Hogan A, Julka R, Lasser G, Ní Chorráin N, Ting J, Browne R, George S, Janjua Z, Leung Shing V, Megally M, Murphy S, Ravenscroft L, Vedadi A, Vyas V, Bryan A, Sheikh A, Ubhi J, Vannelli K, Vawda A, Adeusi L, Doherty C, Fitzgerald C, Gallagher H, Gill P, Hamza H, Hogan M, Kelly S, Larry J, Lynch P, Mazeni NA, O'Connell R, O'Loghlin R, Singh K, Abbas Syed R, Ali A, Alkandari B, Arnold A, Arora E, Azam R, Breathnach C, Cheema J, Compton M, Curran S, Elliott JA, Jayasamraj O, Mohammed N, Noone A, Pal A, Pandey S, Quinn P, Sheridan R, Siew L, Tan EP, Tio SW, Toh VTR, Walsh M, Yap C, Yassa J, Young T, Agarwal N, Almoosawy SA, Bowen K, Bruce D, Connachan R, Cook A, Daniell A, Elliott M, Fung HKF, Irving A, Laurie S, Lee YJ, Lim ZX, Maddineni S, McClenaghan RE, Muthuganesan V, Ravichandran P, Roberts N, Shaji S, Solt S, Toshney E, Arnold C, Baker O, Belais F, Bojanic C, Byrne M, Chau CYC, De Soysa S, Eldridge M, Fairey M, Fearnhead N, Guéroult A, Ho JSY, Joshi K, Kadiyala N, Khalid S, Khan F, Kumar K, Lewis E, Magee J, Manetta-Jones D, Mann S, McKeown L, Mitrofan C, Mohamed T, Monnickendam A, Ng AYKC, Ortu A, Patel M, Pope T, Pressling S, Purohit K, Saji S, Shah Foridi J, Shah R, Siddiqui SS, Surman K, Utukuri M, Varghese A, Williams CYK, Yang JJ, Billson E, Cheah E, Holmes P, Hussain S, Murdock D, Nicholls A, Patel P, Ramana G, Saleki M, Spence H, Thomas D, Yu C, Abousamra M, Brown C, Conti I, Donnelly A, Durand M, French N, Goan R, O'Kane E, Rubinchik P, Gardiner H, Kempf B, Lai YL, Matthews H, Minford E, Rafferty C, Reid C, Sheridan N, Al Bahri T, Bhoombla N, Rao BM, Titu L, Chatha S, Field C, Gandhi T, Gulati R, Jha R, Jones Sam MT, Karim S, Patel R, Saunders M, Sharma K, Abid S, Heath E, Kurup D, Patel A, Ali M, Cresswell B, Felstead D, Jennings K, Kaluarachchi T, Lazzereschi L, Mayson H, Miah JE, Reinders B, Rosser A, Thomas C, Williams H, Al-Hamid Z, Alsadoun L, Chlubek M, Fernando P, Gaunt E, Gercek Y, Maniar R, Ma R, Matson M, Moore S, Morris A, Nagappan PG, Ratnayake M, Rockall L, Shallcross O, Sinha A, Tan KE, Virdee S, Wenlock R, Donnelly HA, Ghazal R, Hughes I, Liu X, McFadden M, Misbert E, Mogey P, O'Hara A, Peace C, Rainey C, Raja P, Salem M, Salmon J, Tan CH, Alves D, Bahl S, Baker C, Coulthurst J, Koysombat K, Linn T, Rai P, Sharma A, Shergill A, Ahmed M, Ahmed S, Belk LH, Choudhry H, Cummings D, Dixon Y, Dobinson C, Edwards J, Flint J, Franco Da Silva C, Gallie R, Gardener M, Glover T, Greasley M, Hatab A, Howells R, Hussey T, Khan A, Mann A, Morrison H, Ng A, Osmond R, Padmakumar N, Pervaiz F, Prince R, Qureshi A, Sawhney R, Sigurdson B, Stephenson L, Vora K, Zacken A, Cope P, Di Traglia R, Ferarrio I, Hackett N, Healicon R, Horseman L, Lam LI, Meerdink M, Menham D, Murphy R, Nimmo I, Ramaesh A, Rees J, Soame R, Dilaver N, Adebambo D, Brown E, Burt J, Foster K, Kaliyappan L, Knight P, Politis A, Richardson E, Townsend J, Abdi M, Ball M, Easby S, Gill N, Ho E, Iqbal H, Matthews M, Nubi S, Nwokocha JO, Okafor I, Perry G, Sinartio B, Vanukuru N, Walkley D, Welch T, Yates J, Yeshitila N, Bryans K, Campbell B, Gray C, Keys R, Macartney M, Chamberlain G, Khatri A, Kucheria A, Lee STP, Reese G, Roy choudhury J, Tan WYR, Teh JJ, Ting A, Kazi S, Kontovounisios C, Vutipongsatorn K, Amarnath T, Balasubramanian N, Bassett E, Gurung P, Lim J, Panjikkaran A, Sanalla A, Alkoot M, Bacigalupo V, Eardley N, Horton M, Hurry A, Isti C, Maskell P, Nursiah K, Punn G, Salih H, Epanomeritakis E, Foulkes A, Henderson R, Johnston E, McCullough H, McLarnon M, Morrison E, Cheung A, Cho SH, Eriksson F, Hedges J, Low Z, May C, Musto L, Nagi S, Nur S, Salau E, Shabbir S, Thomas MC, Uthayanan L, Vig S, Zaheer M, Zeng G, Ashcroft-Quinn S, Brown R, Hayes J, McConville R, French R, Gilliam A, Sheetal S, Shehzad MU, Bani W, Christie I, Franklyn J, Khan M, Russell J, Smolarek S, Varadarassou R, Ahmed SK, Narayanaswamy S, Sealy J, Shah M, Dodhia V, Manukyan A, O'Hare R, Orbell J, Chung I, Forenc K, Gupta A, Agarwal A, Al Dabbagh A, Bennewith R, Bottomley J, Chu TSM, Chu YYA, Doherty W, Evans B, Hainsworth P, Hosfield T, Li CH, McCullagh I, Mehta A, Thaker A, Thompson B, Virdi A, Walker H, Wilkins E, Dixon C, Hassan MR, Lotca N, Tong KS, Batchelor-Parry H, Chaudhari S, Harris T, Hooper J, Johnson C, Mulvihill C, Nayler J, Olutobi O, Piramanayagam B, Stones K, Sussman M, Weaver C, Alam F, Al Rawi M, Andrew F, Arrayeh A, Azizan N, Hassan A, Iqbal Z, John I, Jones M, Kalake O, Keast M, Nicholas J, Patil A, Powell K, Roberts P, Sabri A, Segue AK, Shah A, Shaik Mohamed SA, Shehadeh A, Shenoy S, Tong A, 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Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Broussard LJ, Barrow JL, DeBeer-Schmitt L, Dennis T, Fitzsimmons MR, Frost MJ, Gilbert CE, Gonzalez FM, Heilbronn L, Iverson EB, Johnston A, Kamyshkov Y, Kline M, Lewiz P, Matteson C, Ternullo J, Varriano L, Vavra S. Experimental Search for Neutron to Mirror Neutron Oscillations as an Explanation of the Neutron Lifetime Anomaly. Phys Rev Lett 2022; 128:212503. [PMID: 35687456 DOI: 10.1103/physrevlett.128.212503] [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] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/25/2022] [Accepted: 05/04/2022] [Indexed: 06/15/2023]
Abstract
An unexplained >4σ discrepancy persists between "beam" and "bottle" measurements of the neutron lifetime. A new model proposed that conversions of neutrons n into mirror neutrons n^{'}, part of a dark mirror sector, can increase the apparent neutron lifetime by 1% via a small mass splitting Δm between n and n^{'} inside the 4.6 T magnetic field of the National Institute of Standards and Technology Beam Lifetime experiment. A search for neutron conversions in a 6.6 T magnetic field was performed at the Spallation Neutron Source which excludes this explanation for the neutron lifetime discrepancy.
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Affiliation(s)
- L J Broussard
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - J L Barrow
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | | | - T Dennis
- Department of Physics and Astronomy, East Tennessee State University, Johnson City, Tennessee 37614, USA
| | - M R Fitzsimmons
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - M J Frost
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - C E Gilbert
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - F M Gonzalez
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - L Heilbronn
- Department of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - E B Iverson
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - A Johnston
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - Y Kamyshkov
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - M Kline
- Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - P Lewiz
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - C Matteson
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J Ternullo
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - L Varriano
- Department of Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - S Vavra
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA
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Callaghan J, Taylor J, Baker E, Steel G, Coulson P, Johnston A, Wayne N, Brown J. Improving the recycling of medical nutrition product packaging in primary and secondary care: initial survey results and plans for implementation of educational support. Clin Nutr ESPEN 2022. [DOI: 10.1016/j.clnesp.2022.02.101] [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: 10/18/2022]
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Mariappan P, Johnston A, Trail M, Hamid S, Hollins G, Dreyer B, Ramsey S, Padovani L, Garau R, Guerrero Enriquez J, Simpson H, Hasan R, Sharpe C, Thomas B, Bhatt J, Ahmad I, Nandwani G, Chaudhry A, Boden A, Khan R, Maresca G, Dimitropoulos K, Graham C, Hendry D. Multicentre real world long-term outcomes in 2773 primary Non-Muscle Invasive Bladder Cancer (NMIBC) patients managed within the Scottish Bladder Cancer Quality Performance Indicator programme. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00243-3] [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: 11/24/2022]
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13
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Mariappan P, Johnston A, Trail M, Hamid S, Hollins G, Dreyer B, Ramsey S, Padovani L, Garau R, Guerrero Enriquez J, Simpson H, Hasan R, Sharpe C, Thomas B, Bhatt J, Ahmad I, Nandwani G, Chaudhry A, Boden A, Khan R, Maresca G, Dimitropoulos K, Graham C, Hendry D, Paramananthan S, Loy G, Baker S, Grigor K, Smith G. Ceasing surveillance in low risk non-muscle invasive bladder cancer after only 12 months of being recurrence free is un-safe: A validation study from the Scottish bladder cancer Quality Performance Indicator (QPI) programme. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00244-5] [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]
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14
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Karna R, Singh R, Marshall C, Johnston A. Atypical presentation of anti-HMGCR myopathy. BMJ Case Rep 2021; 14:e243728. [PMID: 34544705 PMCID: PMC8454444 DOI: 10.1136/bcr-2021-243728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2021] [Indexed: 11/04/2022] Open
Abstract
Immune-mediated necrotising myopathy is a subtype of idiopathic inflammatory myopathy characterised by muscle fibre necrosis without significant inflammatory infiltrate. Anti-3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR) myopathy is seen in 6%-10% of idiopathic inflammatory myopathy and is diagnosed in the context of elevated serum creatine kinase levels, proximal muscle weakness and anti-HMGCR autoantibodies. We recently encountered a 61-year-old man with anti-HMGCR myopathy with an atypical skin manifestation, partially responsive to triple therapy with steroids, intravenous immunoglobulin (IVIG) and rituximab. To our knowledge, there have been only four reported cases of skin rash associated with anti-HMGCR myopathy. Our case demonstrates the importance of recognising atypical manifestations of anti-HMGCR myopathy. Early addition of IVIG and rituximab is also critical in patients not responding to steroid monotherapy. Delay in achieving remission leads to prolonged steroid use, lower likelihood of beginning physical therapy and overall worse clinical outcomes.
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Affiliation(s)
- Rahul Karna
- Internal Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Richa Singh
- Internal Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Cody Marshall
- Pathology, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Alexandra Johnston
- Internal Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
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15
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Richmond JP, Kelly MG, Johnston A, Murphy PJ, Murphy AW. Current management of adults receiving oral anti-cancer medications: A scoping review. Eur J Oncol Nurs 2021; 54:102015. [PMID: 34500319 DOI: 10.1016/j.ejon.2021.102015] [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] [Received: 06/11/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Oral anti-cancer medication (OAM) has revolutionised oncology care. Due to their potential toxicities and associated safety challenges ongoing assessment and monitoring is essential; currently generally performed in acute care settings. Internationally there exists a transformative vision to shift patient care from acute to primary care. A nurse-led integrated model of care could be developed for OAM patient management in primary care. The aim of this study was to examine international literature regarding current clinical management practices for assessment and monitoring of patients receiving OAM. METHODS Following PRISMA-ScR guidelines, databases MEDLINE, CINAHL and Web of Science were searched for English studies published between 2010 and 2020 using keywords: assessment, cancer, care, management, oral anticancer medications. Articles were screened and assessed for eligibility. From eligible studies, data were extracted to summarize, collate and make a narrative account of the findings. RESULTS 2261 papers were reviewed, 14 met inclusion criteria. Three phases of management are reported: 1. Patient treatment plan development; 2. Patient education; 3. Patient monitoring. Within these phases seven specific stages of care were identified broadly representing the patient's journey: (1) treatment decision, (2) prescribing of OAM, (3) OAM dispensing and administration, (4) maximising patient safety (5) ongoing patient assessment (6) patient support (7) communication with other health-care professionals. CONCLUSIONS Despite a paucity of international literature, a dedicated OAM clinic was endorsed as a means to achieve improved care. Nurses and pharmacists were identified as being of particular importance especially in education and ongoing management of patients receiving OAMs.
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Affiliation(s)
- J P Richmond
- Letterkenny University Hospital, Donegal, Ireland.
| | - M G Kelly
- Letterkenny University Hospital, Donegal, Ireland
| | - A Johnston
- Letterkenny University Hospital, Donegal, Ireland
| | - P J Murphy
- HRB Primary Care Clinical Trials Network Ireland, Discipline of General Practice, NUI Galway, Ireland
| | - A W Murphy
- HRB Primary Care Clinical Trials Network Ireland, Discipline of General Practice, NUI Galway, Ireland
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Batts T, Langhor I, Moeller C, Liu C, Sones J, Johnston A. Hepatic steatosis precedes pregnancy in the BPH/5 preeclampsia‐like mouse model. FASEB J 2021. [DOI: 10.1096/fasebj.2021.35.s1.03307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- T. Batts
- Veterinary Clinical SciencesLouisiana State UniversityBaton RougeLA
| | - I. Langhor
- Pathobiological SciencesLouisiana Animal Disease Diagnostic LaboratoryBaton RougeLA
| | - C. Moeller
- Veterinary Clinical SciencesLouisiana State UniversityBaton RougeLA
| | - C. Liu
- Veterinary Clinical SciencesLouisiana State UniversityBaton RougeLA
| | - J. Sones
- Veterinary Clinical SciencesLouisiana State UniversityBaton RougeLA
| | - A. Johnston
- Veterinary Clinical SciencesLouisiana State UniversityBaton RougeLA
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VerMilyea M, Hall JMM, Diakiw SM, Johnston A, Nguyen T, Perugini D, Miller A, Picou A, Murphy AP, Perugini M. Development of an artificial intelligence-based assessment model for prediction of embryo viability using static images captured by optical light microscopy during IVF. Hum Reprod 2021; 35:770-784. [PMID: 32240301 PMCID: PMC7192535 DOI: 10.1093/humrep/deaa013] [Citation(s) in RCA: 117] [Impact Index Per Article: 39.0] [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: 10/13/2019] [Revised: 12/23/2019] [Accepted: 01/16/2020] [Indexed: 11/17/2022] Open
Abstract
STUDY QUESTION Can an artificial intelligence (AI)-based model predict human embryo viability using images captured by optical light microscopy? SUMMARY ANSWER We have combined computer vision image processing methods and deep learning techniques to create the non-invasive Life Whisperer AI model for robust prediction of embryo viability, as measured by clinical pregnancy outcome, using single static images of Day 5 blastocysts obtained from standard optical light microscope systems. WHAT IS KNOWN ALREADY Embryo selection following IVF is a critical factor in determining the success of ensuing pregnancy. Traditional morphokinetic grading by trained embryologists can be subjective and variable, and other complementary techniques, such as time-lapse imaging, require costly equipment and have not reliably demonstrated predictive ability for the endpoint of clinical pregnancy. AI methods are being investigated as a promising means for improving embryo selection and predicting implantation and pregnancy outcomes. STUDY DESIGN, SIZE, DURATION These studies involved analysis of retrospectively collected data including standard optical light microscope images and clinical outcomes of 8886 embryos from 11 different IVF clinics, across three different countries, between 2011 and 2018. PARTICIPANTS/MATERIALS, SETTING, METHODS The AI-based model was trained using static two-dimensional optical light microscope images with known clinical pregnancy outcome as measured by fetal heartbeat to provide a confidence score for prediction of pregnancy. Predictive accuracy was determined by evaluating sensitivity, specificity and overall weighted accuracy, and was visualized using histograms of the distributions of predictions. Comparison to embryologists’ predictive accuracy was performed using a binary classification approach and a 5-band ranking comparison. MAIN RESULTS AND THE ROLE OF CHANCE The Life Whisperer AI model showed a sensitivity of 70.1% for viable embryos while maintaining a specificity of 60.5% for non-viable embryos across three independent blind test sets from different clinics. The weighted overall accuracy in each blind test set was >63%, with a combined accuracy of 64.3% across both viable and non-viable embryos, demonstrating model robustness and generalizability beyond the result expected from chance. Distributions of predictions showed clear separation of correctly and incorrectly classified embryos. Binary comparison of viable/non-viable embryo classification demonstrated an improvement of 24.7% over embryologists’ accuracy (P = 0.047, n = 2, Student’s t test), and 5-band ranking comparison demonstrated an improvement of 42.0% over embryologists (P = 0.028, n = 2, Student’s t test). LIMITATIONS, REASONS FOR CAUTION The AI model developed here is limited to analysis of Day 5 embryos; therefore, further evaluation or modification of the model is needed to incorporate information from different time points. The endpoint described is clinical pregnancy as measured by fetal heartbeat, and this does not indicate the probability of live birth. The current investigation was performed with retrospectively collected data, and hence it will be of importance to collect data prospectively to assess real-world use of the AI model. WIDER IMPLICATIONS OF THE FINDINGS These studies demonstrated an improved predictive ability for evaluation of embryo viability when compared with embryologists’ traditional morphokinetic grading methods. The superior accuracy of the Life Whisperer AI model could lead to improved pregnancy success rates in IVF when used in a clinical setting. It could also potentially assist in standardization of embryo selection methods across multiple clinical environments, while eliminating the need for complex time-lapse imaging equipment. Finally, the cloud-based software application used to apply the Life Whisperer AI model in clinical practice makes it broadly applicable and globally scalable to IVF clinics worldwide. STUDY FUNDING/COMPETING INTEREST(S) Life Whisperer Diagnostics, Pty Ltd is a wholly owned subsidiary of the parent company, Presagen Pty Ltd. Funding for the study was provided by Presagen with grant funding received from the South Australian Government: Research, Commercialisation and Startup Fund (RCSF). ‘In kind’ support and embryology expertise to guide algorithm development were provided by Ovation Fertility. J.M.M.H., D.P. and M.P. are co-owners of Life Whisperer and Presagen. Presagen has filed a provisional patent for the technology described in this manuscript (52985P pending). A.P.M. owns stock in Life Whisperer, and S.M.D., A.J., T.N. and A.P.M. are employees of Life Whisperer.
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Affiliation(s)
- M VerMilyea
- Laboratory Operations, Ovation Fertility, Austin, TX 78731, USA.,IVF Laboratory, Texas Fertility Center, Austin, TX 78731, USA
| | - J M M Hall
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia.,Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Adelaide, SA 5000, Australia
| | - S M Diakiw
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia
| | - A Johnston
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia.,Australian Institute for Machine Learning, School of Computer Science, The University of Adelaide, Adelaide, SA 5000, Australia
| | - T Nguyen
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia
| | - D Perugini
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia
| | - A Miller
- Laboratory Operations, Ovation Fertility, Austin, TX 78731, USA
| | - A Picou
- Laboratory Operations, Ovation Fertility, Austin, TX 78731, USA
| | - A P Murphy
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia
| | - M Perugini
- Life Whisperer Diagnostics, Presagen Pty Ltd., Adelaide, SA 5000, Australia.,Adelaide Medical School, Faculty of Health Sciences, The University of Adelaide, Adelaide, SA 5000, Australia
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Johnston A, Afra A, Liu P, Northoff G, Edwards J. Sex-specific effects of comorbid depression on mortality and risk of cognitive decline and dementia in heart failure: an analysis of the National Alzheimer’s Coordinating Centre prospective cohort. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2020.02.052] [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: 10/22/2022] Open
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Green L, Roberts N, Cooper J, Agarwal S, Brunskill SJ, Chang I, Gill R, Johnston A, Klein AA, Platton S, Rossi A, Sepehripour A, Stanworth S, Monk V, O'Brien B. Prothrombin complex concentrate vs. fresh frozen plasma in adult patients undergoing heart surgery - a pilot randomised controlled trial (PROPHESY trial). Anaesthesia 2020; 76:892-901. [PMID: 33285008 PMCID: PMC8246985 DOI: 10.1111/anae.15327] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2020] [Indexed: 12/11/2022]
Abstract
There is equipoise regarding the use of prothrombin complex concentrate vs. fresh frozen plasma in bleeding patients undergoing cardiac surgery. We performed a pilot randomised controlled trial to determine the recruitment rate for a large trial, comparing the impact of prothrombin complex concentrate vs. fresh frozen plasma on haemostasis (1 h and 24 h post-intervention), and assessing safety. Adult patients who developed bleeding within 24 h of cardiac surgery that required coagulation factor replacement were randomly allocated to receive prothrombin complex concentrate (15 IU.kg-1 based on factor IX) or fresh frozen plasma (15 ml.kg-1 ). If bleeding continued after the first administration of prothrombin complex concentrate or fresh frozen plasma administration, standard care was administered. From February 2019 to October 2019, 180 patients were screened, of which 134 (74.4% (95%CI 67-81%)) consented, 59 bled excessively and 50 were randomly allocated; 25 in each arm, recruitment rate 35% (95%CI 27-44%). There were 23 trial protocol deviations, 137 adverse events (75 prothrombin complex concentrate vs. 62 fresh frozen plasma) and 18 serious adverse events (5 prothrombin complex concentrate vs. 13 fresh frozen plasma). There was no increase in thromboembolic events with prothrombin complex concentrate. No patient withdrew from the study, four were lost to follow-up and two died. At 1 h after administration of the intervention there was a significant increase in fibrinogen, Factor V, Factor XII, Factor XIII, α2 -antiplasmin and antithrombin levels in the fresh frozen plasma arm, while Factor II and Factor X were significantly higher in the prothrombin complex concentrate group. At 24 h, there were no significant differences in clotting factor levels. We conclude that recruitment to a larger study is feasible. Haemostatic tests have provided useful insight into the haemostatic changes following prothrombin complex concentrate or fresh frozen plasma administration. A definitive trial is needed to ascertain the benefits and safety for each.
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Affiliation(s)
- L Green
- Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK.,Department of Haematology, Barts Health NHS Trust, London, UK.,Department of Cardiac Surgery, Barts Health NHS Trust, London, UK
| | - N Roberts
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK
| | - J Cooper
- Department of Anaesthesia, Manchester Royal Infirmary, Manchester, UK
| | - S Agarwal
- Systematic Review Initiative, NHS Blood and Transplant, Oxford, UK
| | - S J Brunskill
- Department of Anaesthesia, University Hospital Southampton, Southampton, UK
| | - I Chang
- Department of Anaesthesia, Manchester Royal Infirmary, Manchester, UK
| | - R Gill
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - A Johnston
- Department of Anaesthesia, Royal Papworth Hospital, Cambridge, UK
| | - A A Klein
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - S Platton
- Department of Cardiac Surgery, Barts Health NHS Trust, London, UK
| | - A Rossi
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK
| | - A Sepehripour
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK
| | - S Stanworth
- Department of Anaesthesia, Barts Health NHS Trust, London, UK.,NHS Blood and Transplant, Oxford, UK
| | - V Monk
- Department of Anaesthesia, Manchester Royal Infirmary, Manchester, UK
| | - B O'Brien
- Department of Anaesthesia, Barts Health NHS Trust, London, UK.,Outcomes Research Consortium, Cleveland Clinic, OH, USA
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White D, MacDonald S, Bull T, Hayman M, de Monteverde-Robb R, Sapsford D, Lavinio A, Varley J, Johnston A, Besser M, Thomas W. Heparin resistance in COVID-19 patients in the intensive care unit. J Thromb Thrombolysis 2020; 50:287-291. [PMID: 32445064 PMCID: PMC7242778 DOI: 10.1007/s11239-020-02145-0] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Patients with COVID-19 have a coagulopathy and high thrombotic risk. In a cohort of 69 intensive care unit (ICU) patients we investigated for evidence of heparin resistance in those that have received therapeutic anticoagulation. 15 of the patients have received therapeutic anticoagulation with either unfractionated heparin (UFH) or low molecular weight heparin (LMWH), of which full information was available on 14 patients. Heparin resistance to UFH was documented in 8/10 (80%) patients and sub-optimal peak anti-Xa following therapeutic LMWH in 5/5 (100%) patients where this was measured (some patients received both anticoagulants sequentially). Spiking plasma from 12 COVID-19 ICU patient samples demonstrated decreased in-vitro recovery of anti-Xa compared to normal pooled plasma. In conclusion, we have found evidence of heparin resistance in critically unwell COVID-19 patients. Further studies investigating this are required to determine the optimal thromboprophylaxis in COVID-19 and management of thrombotic episodes.
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Affiliation(s)
- D White
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - S MacDonald
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - T Bull
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - M Hayman
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - R de Monteverde-Robb
- Pharmacy Department, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - D Sapsford
- Pharmacy Department, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - A Lavinio
- Department of Intensive Care Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - J Varley
- Department of Intensive Care Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - A Johnston
- Department of Intensive Care Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - M Besser
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - W Thomas
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
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Lawler J, Choynowski M, Bailey K, Bucholc M, Johnston A, Sugrue M. Meta-analysis of the impact of postoperative infective complications on oncological outcomes in colorectal cancer surgery. BJS Open 2020; 4:737-747. [PMID: 32525280 PMCID: PMC7528523 DOI: 10.1002/bjs5.50302] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [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] [Received: 01/09/2020] [Revised: 02/26/2020] [Accepted: 05/02/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Cancer outcomes are complex, involving prevention, early detection and optimal multidisciplinary care. Postoperative infection and surgical site-infection (SSI) are not only uncomfortable for patients and costly, but may also be associated with poor oncological outcomes. A meta-analysis was undertaken to assess the oncological effects of SSI in patients with colorectal cancer. METHODS An ethically approved PROSPERO-registered meta-analysis was conducted following PRISMA guidelines. PubMed and Scopus databases were searched for studies published between 2007 and 2017 reporting the effects of postoperative infective complications on oncological survival in colorectal cancer. Results were separated into those for SSI and those concerning anastomotic leakage. Articles with a Methodological Index for Non-Randomized Studies score of at least 18 were included. Hazard ratios (HRs) with 95 per cent confidence intervals were computed for risk factors using an observed to expected and variance fixed-effect model. RESULTS Of 5027 articles were reviewed, 43 met the inclusion criteria, with a total of 154 981 patients. Infective complications had significant negative effects on overall survival (HR 1·37, 95 per cent c.i. 1·28 to 1·46) and cancer-specific survival (HR 2·58, 2·15 to 3·10). Anastomotic leakage occurred in 7·4 per cent and had a significant negative impact on disease-free survival (HR 1·14, 1·09 to 1·20), overall survival (HR 1·34, 1·28 to 1·39), cancer-specific survival (HR 1·43, 1·31 to 1·55), local recurrence (HR 1·18, 1·06 to 1·32) and overall recurrence (HR 1·46, 1·27 to 1·68). CONCLUSION This meta-analysis identified a significant negative impact of postoperative infective complications on overall and cancer-specific survival in patients undergoing colorectal surgery.
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Affiliation(s)
- J Lawler
- Department of Surgery, Letterkenny University Hospital and Donegal Clinical Research Academy, Donegal, Ireland
| | - M Choynowski
- Department of Surgery, Letterkenny University Hospital and Donegal Clinical Research Academy, Donegal, Ireland
| | - K Bailey
- Department of Surgery, Letterkenny University Hospital and Donegal Clinical Research Academy, Donegal, Ireland
| | - M Bucholc
- EU INTERREG Centre for Personalized Medicine, Intelligent Systems Research Centre, School of Computing, Engineering and Intelligent Systems, Ulster University, Magee Campus, Derry, /Londonderry, UK
| | - A Johnston
- Department of Surgery, Letterkenny University Hospital and Donegal Clinical Research Academy, Donegal, Ireland
| | - M Sugrue
- Department of Surgery, Letterkenny University Hospital and Donegal Clinical Research Academy, Donegal, Ireland.,EU INTERREG Centre for Personalized Medicine, Intelligent Systems Research Centre, School of Computing, Engineering and Intelligent Systems, Ulster University, Magee Campus, Derry, /Londonderry, UK
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22
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Thomas W, Varley J, Johnston A, Symington E, Robinson M, Sheares K, Lavinio A, Besser M. Thrombotic complications of patients admitted to intensive care with COVID-19 at a teaching hospital in the United Kingdom. Thromb Res 2020; 191:76-77. [PMID: 32402996 PMCID: PMC7182517 DOI: 10.1016/j.thromres.2020.04.028] [Citation(s) in RCA: 139] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 02/06/2023]
Affiliation(s)
- W Thomas
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, United Kingdom.
| | - J Varley
- Intensive Care Medicine Department, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - A Johnston
- Intensive Care Medicine Department, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - E Symington
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, United Kingdom
| | - M Robinson
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, United Kingdom
| | - K Sheares
- Department of Respiratory Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom; Pulmonary Vascular Diseases Unit, Royal Papworth Hospital, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - A Lavinio
- Intensive Care Medicine Department, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - M Besser
- Department of Haematology, Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge, United Kingdom
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23
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Johnston A, Auer T, Fink D, Strimas-Mackey M, Iliff M, Rosenberg KV, Brown S, Lanctot R, Rodewald AD, Kelling S. Comparing abundance distributions and range maps in spatial conservation planning for migratory species. Ecol Appl 2020; 30:e02058. [PMID: 31838775 DOI: 10.1002/eap.2058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 07/15/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
Most spatial conservation planning for wide-ranging or migratory species is constrained by poor knowledge of species' spatiotemporal dynamics and is only based on static species' ranges. However, species have substantial variation in abundance across their range and migratory species have important spatiotemporal population dynamics. With growing ecological data and advancing analytics, both of these can be estimated and incorporated into spatial conservation planning. However, there is limited information on the degree to which including this information affects conservation planning. We compared the performance of systematic conservation prioritizations for different scenarios based on varying the input species' distributions by ecological metric (abundance distributions versus range maps) and temporal sampling resolution (weekly, monthly, or quarterly). We used the example of a community of 41 species of migratory shorebirds that breed in North America, and we used eBird data to produce weekly estimates of species' abundances and ranges. Abundance distributions at a monthly or weekly resolution led to prioritizations that most efficiently protected species throughout the full annual cycle. Conversely, spatial prioritizations based on species' ranges required more sites and left most species insufficiently protected for at least part of their annual cycle. Prioritizations with only quarterly species ranges were very inefficient as they needed to target 40% of species' ranges to include 10% of populations. We highlight the high value of abundance information for spatial conservation planning, which leads to more efficient and effective spatial prioritization for conservation. Overall, we provide evidence that spatial conservation planning for wide-ranging migratory species is most robust and efficient when informed by species' abundance information from the full annual cycle.
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Affiliation(s)
- A Johnston
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
- Conservation Science Group, Department of Zoology, University of Cambridge, The David Attenborough Building, Pembroke Street, Cambridge, CB2 3QZ, United Kingdom
| | - T Auer
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
| | - D Fink
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
| | - M Strimas-Mackey
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
| | - M Iliff
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
| | - K V Rosenberg
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
- American Bird Conservancy, The Plains, Virginia, 20198, USA
| | - S Brown
- Manomet Inc., P.O. Box 1770, Manomet, Massachusetts, 02345, USA
| | - R Lanctot
- U.S. Fish and Wildlife Service, 1011 East Tudor Road, MS 201, Anchorage, Alaska, 99503, USA
| | - A D Rodewald
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
- Department of Natural Resources, Cornell University, Ithaca, New York, 14853, USA
| | - S Kelling
- Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
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24
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Broussard L, Bailey K, Bailey W, Barrow J, Berry K, Blose A, Crawford C, Debeer-Schmitt L, Frost M, Galindo-Uribarri A, Gallmeier F, Gilbert C, Heilbronn L, Iverson E, Johnston A, Kamyshkov Y, Lewiz P, Novikov I, Penttilä S, Vavra S, Young A. New search for mirror neutron regeneration. EPJ Web Conf 2019. [DOI: 10.1051/epjconf/201921907002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The possibility of relatively fast neutron oscillations into a mirror neutron state is not excluded experimentally when a mirror magnetic field is considered. Direct searches for the disappearance of neutrons into mirror neutrons in a controlled magnetic field have previously been performed using ultracold neutrons, with some anomalous results reported. We describe a technique using cold neutrons to perform a disappearance and regeneration search, which would allow us to unambiguously identify a possible oscillation signal. An experiment using the existing General Purpose-Small Angle Neutron Scattering instrument at the High Flux Isotope Reactor at Oak Ridge National Laboratory will have the sensitivity to fully explore the parameter space of prior ultracold neutron searches and confirm or refute previous claims of observation. This instrument can also conclusively test the validity of recently suggested oscillation-based explanations for the neutron lifetime anomaly.
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25
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McClymont E, Johnston A, Albert A, Coutlée F, Lee M, Walmsley S, Lipsky N, Money D. A natural immune boosting effect among HPV-vaccinated women living with HIV. Am J Obstet Gynecol 2019. [DOI: 10.1016/j.ajog.2019.10.030] [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: 11/28/2022]
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26
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Abou-Alfa GK, Qin S, Ryoo BY, Lu SN, Yen CJ, Feng YH, Lim HY, Izzo F, Colombo M, Sarker D, Bolondi L, Vaccaro G, Harris WP, Chen Z, Hubner RA, Meyer T, Sun W, Harding JJ, Hollywood EM, Ma J, Wan PJ, Ly M, Bomalaski J, Johnston A, Lin CC, Chao Y, Chen LT. Phase III randomized study of second line ADI-PEG 20 plus best supportive care versus placebo plus best supportive care in patients with advanced hepatocellular carcinoma. Ann Oncol 2019; 29:1402-1408. [PMID: 29659672 DOI: 10.1093/annonc/mdy101] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Arginine depletion is a putative target in hepatocellular carcinoma (HCC). HCC often lacks argininosuccinate synthetase, a citrulline to arginine-repleting enzyme. ADI-PEG 20 is a cloned arginine degrading enzyme-arginine deiminase-conjugated with polyethylene glycol. The goal of this study was to evaluate this agent as a potential novel therapeutic for HCC after first line systemic therapy. Methods and patients Patients with histologically proven advanced HCC and Child-Pugh up to B7 with prior systemic therapy, were randomized 2 : 1 to ADI-PEG 20 18 mg/m2 versus placebo intramuscular injection weekly. The primary end point was overall survival (OS), with 93% power to detect a 4-5.6 months increase in median OS (one-sided α = 0.025). Secondary end points included progression-free survival, safety, and arginine correlatives. Results A total of 635 patients were enrolled: median age 61, 82% male, 60% Asian, 52% hepatitis B, 26% hepatitis C, 76% stage IV, 91% Child-Pugh A, 70% progressed on sorafenib and 16% were intolerant. Median OS was 7.8 months for ADI-PEG 20 versus 7.4 for placebo (P = 0.88, HR = 1.02) and median progression-free survival 2.6 months versus 2.6 (P = 0.07, HR = 1.17). Grade 3 fatigue and decreased appetite occurred in <5% of patients. Two patients on ADI-PEG 20 had ≥grade 3 anaphylactic reaction. Death rate within 30 days of end of treatment was 15.2% on ADI-PEG 20 versus 10.4% on placebo, none related to therapy. Post hoc analyses of arginine assessment at 4, 8, 12 and 16 weeks, demonstrated a trend of improved OS for those with more prolonged arginine depletion. Conclusion ADI-PEG 20 monotherapy did not demonstrate an OS benefit in second line setting for HCC. It was well tolerated. Strategies to enhance prolonged arginine depletion and synergize the effect of ADI-PEG 20 are underway. Clinical Trial number www.clinicaltrials.gov (NCT 01287585).
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Affiliation(s)
- G K Abou-Alfa
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA; Department of Medicine, Weill Cornell Medical College, New York, USA.
| | - S Qin
- Department of Oncology, The Chinese People's Liberation Army 81 Hospital, Nanjing, China
| | - B-Y Ryoo
- Department of Oncology, Asan Medical Center, Seoul, South Korea
| | - S-N Lu
- Department of Medical Oncology, Kaohsiung Chang Gung Memorial Hospital, Taiwan; Chang Gung University College of Medicine, Taiwan
| | - C-J Yen
- Department of Oncology, National Cheng Kung University Hospital, Taiwan
| | - Y-H Feng
- Department of Oncology, Chi Mei Medical Center-Yong Kang, Taiwan
| | - H Y Lim
- Department of Medical Oncology, Samsung Medical Center, Seoul, South Korea
| | - F Izzo
- Department of Medicine, Fondazione Giovanni Pascale, Napoli
| | - M Colombo
- Department of Medicine, Fondazione IRCCS Ca, Milan, Italy
| | - D Sarker
- Department of Medicine, King's College Hospital, London, UK
| | - L Bolondi
- Department of Medicine, Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - G Vaccaro
- Department of Medicine, Oregon Health Sciences University, Portland
| | - W P Harris
- Department of Medicine, University of Washington Medical Center, Seattle, USA
| | - Z Chen
- Department of Oncology, 2nd Hospital of Anhui Medical University, Hefei, China
| | - R A Hubner
- Department of Medicine, The Christie NHS Foundation Trust, Manchester, UK
| | - T Meyer
- Department of Medicine, Royal Free Hospital and UCL Cancer Institute, London, UK
| | - W Sun
- Department of Medicine, University of Pittsburgh, Pittsburgh, USA
| | - J J Harding
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA; Department of Medicine, Weill Cornell Medical College, New York, USA
| | - E M Hollywood
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA
| | - J Ma
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA
| | - P J Wan
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA
| | - M Ly
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, USA
| | - J Bomalaski
- Department of Research and Development, Polaris Pharmaceuticals, Inc., San Diego, USA
| | - A Johnston
- Department of Research and Development, Polaris Pharmaceuticals, Inc., San Diego, USA
| | - C-C Lin
- Department of Medical Oncology, Chang Gung Medical Foundation LK, Taipei, Tainan
| | - Y Chao
- Department of Medicine, Veterans General Hospital-Taipei, Taipei, Tainan
| | - L-T Chen
- Chang Gung University College of Medicine, Taiwan; Department of Medical Oncology, National Institute of Cancer Research, National Health Research Institutes, Tainan; Department of Oncology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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Pettitt A, Barrington S, Kalakonda N, Khan U, Jackson R, Carruthers S, Oates M, Lin K, Ardeshna K, Eyre T, Fox C, Kennedy B, Linton K, Malladi R, Menne T, Okosun J, Paneesha S, Rule S, Johnston A, Trotman J. NCRI PETREA TRIAL: A PHASE 3 EVALUATION OF PET-GUIDED, RESPONSE-ADAPTED THERAPY IN PATIENTS WITH PREVIOUSLY UNTREATED, ADVANCED-STAGE, HIGH-TUMOUR-BURDEN FOLLICULAR LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.35_2629] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A.R. Pettitt
- Department of Molecular and Clinical Cancer Medicine; University of Liverpool, Liverpool Health Partners; Liverpool United Kingdom
| | - S. Barrington
- School of Biomedical Engineering and Imaging Sciences; St Thomas’ Hospital, Kings College London; London United Kingdom
| | - N. Kalakonda
- Department of Molecular and Clinical Cancer Medicine; University of Liverpool; Liverpool United Kingdom
| | - U.T. Khan
- Department of Molecular and Clinical Cancer Medicine; University of Liverpool; Liverpool United Kingdom
| | - R. Jackson
- CR-UK Liverpool Cancer Trials Unit; University of Liverpool; Liverpool United Kingdom
| | - S. Carruthers
- CR-UK Liverpool Cancer Trials Unit; University of Liverpool; Liverpool United Kingdom
| | - M. Oates
- Department of Molecular and Clinical Cancer Medicine; University of Liverpool; Liverpool United Kingdom
| | - K. Lin
- Haemato-Oncology Diagnostic Service; Liverpool Clinical Laboratories; Liverpool United Kingdom
| | - K. Ardeshna
- Department of Haematology; University College London; London United Kingdom
| | - T. Eyre
- Department of Haematology; Churchill Hospital; Oxford United Kingdom
| | - C.P. Fox
- Department of Clinical Haematology; Nottingham University Hospitals NHS Trust; Nottingham United Kingdom
| | - B. Kennedy
- Department of Haematology; University Hospital Leicester NHS Trust; Leicester United Kingdom
| | - K. Linton
- Department of Haemato-oncology; Manchester Cancer Research Centre; Manchester United Kingdom
| | - R. Malladi
- Department of Haematology; Queen Elizabeth Medical Centre; Birmingham United Kingdom
| | - T. Menne
- Department of Haematology; Royal Freeman Hospital; Newcastle Upon Tyne United Kingdom
| | - J. Okosun
- Centre for Haemato-Oncology; Barts Cancer Institute, Queen Mary University of London; London United Kingdom
| | - S. Paneesha
- Department of Haematology; Heartlands Hospital; Birmingham United Kingdom
| | - S. Rule
- Department of Haematology; Derriford Hospital; Plymouth United Kingdom
| | - A. Johnston
- School of Medicine & Department of Haematology; University of Tasmania & Royal Hobart Hospital; Hobart Australia
| | - J. Trotman
- University of Sydney; Concord Repatriation General Hospital; Concord New South Wales Australia
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28
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Iqbal F, Johnston A, Wyse B, Mander P, Wu J, Li R, Szaraz P, Librach C. A novel combination cell therapy using first trimester human umbilical cord-derived mesenchymal stromal cells and endothelial progenitor cells significantly improves cardiac recovery after myocardial infarction. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.03.455] [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: 11/24/2022]
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29
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Stephenson D, Perry A, Appleby MR, Lee D, Davison J, Johnston A, Jones AL, Nelson A, Bourke SJ, Thomas MF, De Soyza A, Lordan JL, Lumb J, Robb AE, Samuel JR, Walton KE, Perry JD. An evaluation of methods for the isolation of nontuberculous mycobacteria from patients with cystic fibrosis, bronchiectasis and patients assessed for lung transplantation. BMC Pulm Med 2019; 19:19. [PMID: 30665395 PMCID: PMC6341538 DOI: 10.1186/s12890-019-0781-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [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: 09/15/2018] [Accepted: 01/07/2019] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND RGM medium is an agar-based, selective culture medium designed for the isolation of nontuberculous mycobacteria (NTM) from the sputum of patients with cystic fibrosis (CF). We evaluated RGM medium for the detection of NTM in patients with CF (405 samples), bronchiectasis (323 samples) and other lung diseases necessitating lung transplantation (274 samples). METHODS In total, 1002 respiratory samples from 676 patients were included in the study. Direct culture on RGM medium, with incubation at two temperatures (30 °C and 37 °C), was compared with conventional culture of decontaminated samples for acid-fast bacilli (AFB) using both a solid medium (Löwenstein-Jensen medium) and a liquid medium (the Mycobacterial Growth Indicator Tube; MGIT). RESULTS For all three patient groups, significantly more isolates of NTM were recovered using RGM medium incubated at 30 °C than by any other method (sensitivity: 94.6% vs. 22.4% for conventional AFB culture; P < 0.0001). Significantly more isolates of Mycobacterium abscessus complex were isolated on RGM at 30 °C than by AFB culture (sensitivity: 96.1% vs. 58.8%; P < 0.0001). The recovery of Mycobacterium avium complex was also greater using RGM medium at 30 °C compared to AFB culture (sensitivity: 83% vs. 70.2%), although this difference was not statistically significant and a combination of methods was necessary for optimal recovery (P = 0.21). CONCLUSIONS In the largest study of RGM medium to date, we reaffirm its utility for isolation of NTM from patients with CF. Furthermore; we show that it also provides an effective tool for culture of respiratory samples from patients with bronchiectasis and other lung diseases.
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Affiliation(s)
- D Stephenson
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK.,Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - A Perry
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - M R Appleby
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - D Lee
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - J Davison
- Adult Bronchiectasis Service, Freeman Hospital, Newcastle upon Tyne, UK
| | - A Johnston
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - A L Jones
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - A Nelson
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - S J Bourke
- Adult Cystic Fibrosis Centre, Royal Victoria Infirmary, Newcastle upon Tyne, UK
| | - M F Thomas
- Paediatric Respiratory Unit, Great North Children's Hospital, Newcastle upon Tyne, UK
| | - A De Soyza
- Adult Bronchiectasis Service, Freeman Hospital, Newcastle upon Tyne, UK
| | - J L Lordan
- Cardiopulmonary Transplant Service, Freeman Hospital, Newcastle upon Tyne, UK
| | - J Lumb
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - A E Robb
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - J R Samuel
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - K E Walton
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - J D Perry
- Microbiology Department, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK. .,Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK.
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30
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McLean K, Glasbey J, Borakati A, Brooks T, Chang H, Choi S, Goodson R, Nielsen M, Pronin S, Salloum N, Sewart E, Vanniasegaram D, Drake T, Gillies M, Harrison E, Chapman S, Khatri C, Kong C, Claireaux H, Bath M, Mohan M, McNamee L, Kelly M, Mitchell H, Fitzgerald J, Bhangu A, Nepogodiev D, Antoniou I, Dean R, Davies N, Trecarten S, Henderson I, Holmes C, Wylie J, Shuttleworth R, Jindal A, Hughes F, Gouda P, Fleck R, Hanrahan M, Karunakaran P, Chen J, Sykes M, Sethi R, Suresh S, Patel P, Patel M, Varma R, Mushtaq J, Gundogan B, Bolton W, Khan T, Burke J, Morley R, Favero N, Adams R, Thirumal V, Kennedy E, Ong K, Tan Y, Gabriel J, Bakhsh A, Low J, Yener A, Paraoan V, Preece R, Tilston T, Cumber E, Dean S, Ross T, McCance E, Amin H, Satterthwaite L, Clement K, Gratton R, Mills E, Chiu S, Hung G, Rafiq N, Hayes J, Robertson K, Dynes K, Huang H, Assadullah S, Duncumb J, Moon R, Poo S, Mehta J, Joshi K, Callan R, Norris J, Chilvers N, Keevil H, Jull P, Mallick S, Elf D, Carr L, Player C, Barton E, Martin A, Ratu S, Roberts E, Phan P, Dyal A, Rogers J, Henson A, Reid N, Burke D, Culleton G, Lynne S, Mansoor S, Brennan C, Blessed R, Holloway C, Hill A, Goldsmith T, Mackin S, Kim S, Woin E, Brent G, Coffin J, Ziff O, Momoh Z, Debenham R, Ahmed M, Yong C, Wan J, Copley H, Raut P, Chaudhry F, Nixon G, Dorman C, Tan R, Kanabar S, Canning N, Dolaghan M, Bell N, McMenamin M, Chhabra A, Duke K, Turner L, Patel T, Chew L, Mirza M, Lunawat S, Oremule B, Ward N, Khan M, Tan E, Maclennan D, McGregor R, Chisholm E, Griffin E, Bell L, Hughes B, Davies J, Haq H, Ahmed H, Ungcharoen N, Whacha C, Thethi R, Markham R, Lee A, Batt E, Bullock N, Francescon C, Davies J, Shafiq N, Zhao J, Vivekanantham S, Barai I, Allen J, Marshall D, McIntyre C, Wilson H, Ashton A, Lek C, Behar N, Davis-Hall M, Seneviratne N, Esteve L, Sirakaya M, Ali S, Pope S, Ahn J, Craig-McQuaide A, Gatfield W, Leong S, Demetri A, Kerr A, Rees C, Loveday J, Liu S, Wijesekera M, Maru D, Attalla M, Smith N, Brown D, Sritharan P, Shah A, Charavanamuttu V, Heppenstall-Harris G, Ng K, Raghvani T, Rajan N, Hulley K, Moody N, Williams M, Cotton A, Sharifpour M, Lwin K, Bright M, Chitnis A, Abdelhadi M, Semana A, Morgan F, Reid R, Dickson J, Anderson L, McMullan R, Ahern N, Asmadi A, Anderson L, Boon Xuan JL, Crozier L, McAleer S, Lees D, Adebayo A, Das M, Amphlett A, Al-Robeye A, Valli A, Khangura J, Winarski A, Ali A, Woodward H, Gouldthrope C, Turner M, Sasapu K, Tonkins M, Wild J, Robinson M, Hardie J, Heminway R, Narramore R, Ramjeeawon N, Hibberd A, Winslow F, Ho W, Chong B, Lim K, Ho S, Crewdson J, Singagireson S, Kalra N, Koumpa F, Jhala H, Soon W, Karia M, Rasiah M, Xylas D, Gilbert H, Sundar-Singh M, Wills J, Akhtar S, Patel S, Hu L, Brathwaite-Shirley C, Nayee H, Amin O, Rangan T, Turner E, McCrann C, Shepherd R, Patel N, Prest-Smith J, Auyoung E, Murtaza A, Coates A, Prys-Jones O, King M, Gaffney S, Dewdney C, Nehikhare I, Lavery J, Bassett J, Davies K, Ahmad K, Collins A, Acres M, Egerton C, Cheng K, Chen X, Chan N, Sheldon A, Khan S, Empey J, Ingram E, Malik A, Johnstone M, Goodier R, Shah J, Giles J, Sanders J, McLure S, Pal S, Rangedara A, Baker A, Asbjoernsen C, Girling C, Gray L, Gauntlett L, Joyner C, Qureshi S, Mogan Y, Ng J, Kumar A, Park J, Tan D, Choo K, Raman K, Buakuma P, Xiao C, Govinden S, Thompson O, Charalambos M, Brown E, Karsan R, Dogra T, Bullman L, Dawson P, Frank A, Abid H, Tung L, Qureshi U, Tahmina A, Matthews B, Harris R, O'Connor A, Mazan K, Iqbal S, Stanger S, Thompson J, Sullivan J, Uppal E, MacAskill A, Bamgbose F, Neophytou C, Carroll A, Rookes C, Datta U, Dhutia A, Rashid S, Ahmed N, Lo T, Bhanderi S, Blore C, Ahmed S, Shaheen H, Abburu S, Majid S, Abbas Z, Talukdar S, Burney L, Patel J, Al-Obaedi O, Roberts A, Mahboob S, Singh B, Sheth S, Karia P, Prabhudesai A, Kow K, Koysombat K, Wang S, Morrison P, Maheswaran Y, Keane P, Copley P, Brewster O, Xu G, Harries P, Wall C, Al-Mousawi A, Bonsu S, Cunha P, Ward T, Paul J, Nadanakumaran K, Tayeh S, Holyoak H, Remedios J, Theodoropoulou K, Luhishi A, Jacob L, Long F, Atayi A, Sarwar S, Parker O, Harvey J, Ross H, Rampal R, Thomas G, Vanmali P, McGowan C, Stein J, Robertson V, Carthew L, Teng V, Fong J, Street A, Thakker C, O'Reilly D, Bravo M, Pizzolato A, Khokhar H, Ryan M, Cheskes L, Carr R, Salih A, Bassiony S, Yuen R, Chrastek D, Rosen O'Sullivan H, Amajuoyi A, Wang A, Sitta O, Wye J, Qamar M, Major C, Kaushal A, Morgan C, Petrarca M, Allot R, Verma K, Dutt S, Chilima C, Peroos S, Kosasih S, Chin H, Ashken L, Pearse R, O'Loughlin R, Menon A, Singh K, Norton J, Sagar R, Jathanna N, Rothwell L, Watson N, Harding F, Dube P, Khalid H, Punjabi N, Sagmeister M, Gill P, Shahid S, Hudson-Phillips S, George D, Ashwood J, Lewis T, Dhar M, Sangal P, Rhema I, Kotecha D, Afzal Z, Syeed J, Prakash E, Jalota P, Herron J, Kimani L, Delport A, Shukla A, Agarwal V, Parthiban S, Thakur H, Cymes W, Rinkoff S, Turnbull J, Hayat M, Darr S, Khan U, Lim J, Higgins A, Lakshmipathy G, Forte B, Canning E, Jaitley A, Lamont J, Toner E, Ghaffar A, McDowell M, Salmon D, O'Carroll O, Khan A, Kelly M, Clesham K, Palmer C, Lyons R, Bell A, Chin R, Waldron R, Trimble A, Cox S, Ashfaq U, Campbell J, Holliday R, McCabe G, Morris F, Priestland R, Vernon O, Ledsam A, Vaughan R, Lim D, Bakewell Z, Hughes R, Koshy R, Jackson H, Narayan P, Cardwell A, Jubainville C, Arif T, Elliott L, Gupta V, Bhaskaran G, Odeleye A, Ahmed F, Shah R, Pickard J, Suleman Y, North A, McClymont L, Hussain N, Ibrahim I, Ng G, Wong V, Lim A, Harris L, Tharmachandirar T, Mittapalli D, Patel V, Lakhani M, Bazeer H, Narwani V, Sandhu K, Wingfield L, Gentry S, Adjei H, Bhatti M, Braganza L, Barnes J, Mistry S, Chillarge G, Stokes S, Cleere J, Wadanamby S, Bucko A, Meek J, Boxall N, Heywood E, Wiltshire J, Toh C, Ward A, Shurovi B, Horth D, Patel B, Ali B, Spencer T, Axelson T, Kretzmer L, Chhina C, Anandarajah C, Fautz T, Horst C, Thevathasan A, Ng J, Hirst F, Brewer C, Logan A, Lockey J, Forrest P, Keelty N, Wood A, Springford L, Avery P, Schulz T, Bemand T, Howells L, Collier H, Khajuria A, Tharakan R, Parsons S, Buchan A, McGalliard R, Mason J, Cundy O, Li N, Redgrave N, Watson R, Pezas T, Dennis Y, Segall E, Hameed M, Lynch A, Chamberlain M, Peck F, Neo Y, Russell G, Elseedawy M, Lee S, Foster N, Soo Y, Puan L, Dennis R, Goradia H, Qureshi A, Osman S, Reeves T, Dinsmore L, Marsden M, Lu Q, Pitts-Tucker T, Dunn C, Walford R, Heathcote E, Martin R, Pericleous A, Brzyska K, Reid K, Williams M, Wetherall N, McAleer E, Thomas D, Kiff R, Milne S, Holmes M, Bartlett J, Lucas de Carvalho J, Bloomfield T, Tongo F, Bremner R, Yong N, Atraszkiewicz B, Mehdi A, Tahir M, Sherliker G, Tear A, Pandey A, Broyd A, Omer H, Raphael M, Chaudhry W, Shahidi S, Jawad A, Gill C, Fisher IH, Adeleja I, Clark I, Aidoo-Micah G, Stather P, Salam G, Glover T, Deas G, Sim N, Obute R, Wynell-Mayow W, Sait M, Mitha N, de Bernier G, Siddiqui M, Shaunak R, Wali A, Cuthbert G, Bhudia R, Webb E, Shah S, Ansari N, Perera M, Kelly N, McAllister R, Stanley G, Keane C, Shatkar V, Maxwell-Armstrong C, Henderson L, Maple N, Manson R, Adams R, Semple E, Mills M, Daoub A, Marsh A, Ramnarine A, Hartley J, Malaj M, Jewell P, Whatling E, Hitchen N, Chen M, Goh B, Fern J, Rogers S, Derbyshire L, Robertson D, Abuhussein N, Deekonda P, Abid A, Harrison P, Aildasani L, Turley H, Sherif M, Pandey G, Filby J, Johnston A, Burke E, Mohamud M, Gohil K, Tsui A, Singh R, Lim S, O'Sullivan K, McKelvey L, O'Neill S, Roberts H, Brown F, Cao Y, Buckle R, Liew Y, Sii S, Ventre C, Graham C, Filipescu T, Yousif A, Dawar R, Wright A, Peters M, Varley R, Owczarek S, Hartley S, Khattak M, Iqbal A, Ali M, Durrani B, Narang Y, Bethell G, Horne L, Pinto R, Nicholls K, Kisyov I, Torrance H, English W, Lakhani S, Ashraf S, Venn M, Elangovan V, Kazmi Z, Brecher J, Sukumar S, Mastan A, Mortimer A, Parker J, Boyle J, Elkawafi M, Beckett J, Mohite A, Narain A, Mazumdar E, Sreh A, Hague A, Weinberg D, Fletcher L, Steel M, Shufflebotham H, Masood M, Sinha Y, Jenvey C, Kitt H, Slade R, Craig A, Deall C, Reakes T, Chervenkoff J, Strange E, O'Bryan M, Murkin C, Joshi D, Bergara T, Naqib S, Wylam D, Scotcher S, Hewitt C, Stoddart M, Kerai A, Trist A, Cole S, Knight C, Stevens S, Cooper G, Ingham R, Dobson J, O'Kane A, Moradzadeh J, Duffy A, Henderson C, Ashraf S, McLaughin C, Hoskins T, Reehal R, Bookless L, McLean R, Stone E, Wright E, Abdikadir H, Roberts C, Spence O, Srikantharajah M, Ruiz E, Matthews J, Gardner E, Hester E, Naran P, Simpson R, Minhas M, Cornish E, Semnani S, Rojoa D, Radotra A, Eraifej J, Eparh K, Smith D, Mistry B, Hickling S, Din W, Liu C, Mithrakumar P, Mirdavoudi V, Rashid M, Mcgenity C, Hussain O, Kadicheeni M, Gardner H, Anim-Addo N, Pearce J, Aslanyan A, Ntala C, Sorah T, Parkin J, Alizadeh M, White A, Edozie F, Johnston J, Kahar A, Navayogaarajah V, Patel B, Carter D, Khonsari P, Burgess A, Kong C, Ponweera A, Cody A, Tan Y, Ng A, Croall A, Allan C, Ng S, Raghuvir V, Telfer R, Greenhalgh A, McKerr C, Edison M, Patel B, Dear K, Hardy M, Williams P, Hassan S, Sajjad U, O'Neill E, Lopes S, Healy L, Jamal N, Tan S, Lazenby D, Husnoo S, Beecroft S, Sarvanandan T, Weston C, Bassam N, Rabinthiran S, Hayat U, Ng L, Varma D, Sukkari M, Mian A, Omar A, Kim J, Sellathurai J, Mahmood J, O'Connell C, Bose R, Heneghan H, Lalor P, Matheson J, Doherty C, Cullen C, Cooper D, Angelov S, Drislane C, Smith A, Kreibich A, Palkhi E, Durr A, Lotfallah A, Gold D, Mckean E, Dhanji A, Anilkumar A, Thacoor A, Siddiqui Z, Lim S, Piquet A, Anderson S, McCormack D, Gulati J, Ibrahim A, Murray S, Walsh S, McGrath A, Ziprin P, Chua E, Lou C, Bloomer J, Paine H, Osei-Kuffour D, White C, Szczap A, Gokani S, Patel K, Malys M, Reed A, Torlot G, Cumber E, Charania A, Ahmad S, Varma N, Cheema H, Austreng L, Petra H, Chaudhary M, Zegeye M, Cheung F, Coffey D, Heer R, Singh S, Seager E, Cumming S, Suresh R, Verma S, Ptacek I, Gwozdz A, Yang T, Khetarpal A, Shumon S, Fung T, Leung W, Kwang P, Chew L, Loke W, Curran A, Chan C, McGarrigle C, Mohan K, Cullen S, Wong E, Toale C, Collins D, Keane N, Traynor B, Shanahan D, Yan A, Jafree D, Topham C, Mitrasinovic S, Omara S, Bingham G, Lykoudis P, Miranda B, Whitehurst K, Kumaran G, Devabalan Y, Aziz H, Shoa M, Dindyal S, Yates J, Bernstein I, Rattan G, Coulson R, Stezaker S, Isaac A, Salem M, McBride A, McFarlane H, Yow L, MacDonald J, Bartlett R, Turaga S, White U, Liew W, Yim N, Ang A, Simpson A, McAuley D, Craig E, Murphy L, Shepherd P, Kee J, Abdulmajid A, Chung A, Warwick H, Livesey A, Holton P, Theodoreson M, Jenkin S, Turner J, Entwisle J, Marchal S, O'Connor S, Blege H, Aithie J, Sabine L, Stewart G, Jackson S, Kishore A, Lankage C, Acquaah F, Joyce H, McKevitt K, Coffey C, Fawaz A, Dolbec K, O'Sullivan D, Geraghty J, Lim E, Bolton L, FitzPatrick D, Robinson C, Ramtoola T, Collinson S, Grundy L, McEnhill P, Harbhajan Singh G, Loughran D, Golding D, Keeling R, Williams R, Whitham R, Yoganathan S, Nachiappan R, Egan R, Owasil R, Kwan M, He A, Goh R, Bhome R, Wilson H, Teoh P, Raji K, Jayakody N, Matthams J, Chong J, Luk C, Greig R, Trail M, Charalambous G, Rocke A, Gardiner N, Bulley F, Warren N, Brennan E, Fergurson P, Wilson R, Whittingham H, Brown E, Khanijau R, Gandhi K, Morris S, Boulton A, Chandan N, Barthorpe A, Maamari R, Sandhu S, McCann M, Higgs L, Balian V, Reeder C, Diaper C, Sale T, Ali H, Archer C, Clarke A, Heskin J, Hurst P, Farmer J, O'Flynn L, Doan L, Shuker B, Stott G, Vithanage N, Hoban K, Nesargikar P, Kennedy H, Grossart C, Tan E, Roy C, Sim P, Leslie K, Sim D, Abul M, Cody N, Tay A, Woon E, Sng S, Mah J, Robson J, Shakweh E, Wing V, Mills H, Li M, Barrow T, Balaji S, Jordan H, Phillips C, Naveed H, Hirani S, Tai A, Ratnakumaran R, Sahathevan A, Shafi A, Seedat M, Weaver R, Batho A, Punj R, Selvachandran H, Bhatt N, Botchey S, Khonat Z, Brennan K, Morrison C, Devlin E, Linton A, Galloway E, McGarvie S, Ramsay N, McRobbie H, Whewell H, Dean W, Nelaj S, Eragat M, Mishra A, Kane T, Zuhair M, Wells M, Wilkinson D, Woodcock N, Sun E, Aziz N, Ghaffar MKA. Critical care usage after major gastrointestinal and liver surgery: a prospective, multicentre observational study. Br J Anaesth 2019; 122:42-50. [PMID: 30579405 DOI: 10.1016/j.bja.2018.07.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/19/2018] [Accepted: 07/23/2018] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Patient selection for critical care admission must balance patient safety with optimal resource allocation. This study aimed to determine the relationship between critical care admission, and postoperative mortality after abdominal surgery. METHODS This prespecified secondary analysis of a multicentre, prospective, observational study included consecutive patients enrolled in the DISCOVER study from UK and Republic of Ireland undergoing major gastrointestinal and liver surgery between October and December 2014. The primary outcome was 30-day mortality. Multivariate logistic regression was used to explore associations between critical care admission (planned and unplanned) and mortality, and inter-centre variation in critical care admission after emergency laparotomy. RESULTS Of 4529 patients included, 37.8% (n=1713) underwent planned critical care admissions from theatre. Some 3.1% (n=86/2816) admitted to ward-level care subsequently underwent unplanned critical care admission. Overall 30-day mortality was 2.9% (n=133/4519), and the risk-adjusted association between 30-day mortality and critical care admission was higher in unplanned [odds ratio (OR): 8.65, 95% confidence interval (CI): 3.51-19.97) than planned admissions (OR: 2.32, 95% CI: 1.43-3.85). Some 26.7% of patients (n=1210/4529) underwent emergency laparotomies. After adjustment, 49.3% (95% CI: 46.8-51.9%, P<0.001) were predicted to have planned critical care admissions, with 7% (n=10/145) of centres outside the 95% CI. CONCLUSIONS After risk adjustment, no 30-day survival benefit was identified for either planned or unplanned postoperative admissions to critical care within this cohort. This likely represents appropriate admission of the highest-risk patients. Planned admissions in selected, intermediate-risk patients may present a strategy to mitigate the risk of unplanned admission. Substantial inter-centre variation exists in planned critical care admissions after emergency laparotomies.
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Gray J, Winzor G, Mahdia N, Oppenheim B, Johnston A. Preventing healthcare-associated infection by sharing research, evidence and best practice. J Hosp Infect 2018; 101:117-119. [PMID: 30550770 DOI: 10.1016/j.jhin.2018.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 12/05/2018] [Indexed: 10/27/2022]
Affiliation(s)
- J Gray
- Healthcare Infection Society, UK.
| | - G Winzor
- Healthcare Infection Society, UK
| | - N Mahdia
- Healthcare Infection Society, UK
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Zadow E, Adams M, Wu S, Kitic C, Singh I, Kundur A, Bost N, Johnston A, Crilly J, Bulmer A, Halson S, Fell J. Too clot or not too clot? The influence of travel, marathon running and compression socks on blood clot risk. J Sci Med Sport 2018. [DOI: 10.1016/j.jsams.2018.09.071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Enerbäck C, Sandin C, Lambert S, Zawistowski M, Stuart PE, Verma D, Tsoi LC, Nair RP, Johnston A, Elder JT. The psoriasis-protective TYK2 I684S variant impairs IL-12 stimulated pSTAT4 response in skin-homing CD4+ and CD8+ memory T-cells. Sci Rep 2018; 8:7043. [PMID: 29728633 PMCID: PMC5935702 DOI: 10.1038/s41598-018-25282-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [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] [Received: 10/24/2017] [Accepted: 04/16/2018] [Indexed: 01/11/2023] Open
Abstract
Tyrosine kinase 2 (TYK2) belongs to the Janus kinase (JAK) family of tyrosine kinases, which transmit signals from activated cytokine receptors. GWAS have consistently implicated TYK2 in psoriasis susceptibility. We performed an in-depth association analysis of TYK2 using GWAS and resequencing data. Strong genetic association of three nonsynonymous variants in the exonic regions of the TYK2 gene (rs34536443, rs12720356, and rs2304256) were found. rs12720356 encoding I684S is predicted to be deleterious based on its location in the pseudokinase domain. We analyzed PBMCs from 29 individuals representing the haplotypes containing each of the significantly associated signals. STAT4 phosphorylation was evaluated by phospho-flow cytometry after CD3/CD28 activation of cells followed by IL-12 stimulation. Individuals carrying the protective I684S variant manifested significantly reduced p-STAT4 levels in CD4 + CD25 + CD45RO+ (mean Stimulation Index (S.I.) 48.08, n = 10) and CD8 + CD25 + CD45RO + cells (S.I. 55.71, n = 10), compared to controls homozygous for the ancestral haplotype (S.I. 68.19, n = 10 (p = 0.002) and 76.76 n = 10 (p = 0.0008) respectively). Reduced p-STAT4 levels were also observed in skin-homing, cutaneous lymphocyte associated antigen (CLA)-positive CD4 and CD8 cells from I684S carriers. No significant changes in p-STAT4 for the psoriasis-associated variant rs34536443 was found. These data establish the functional significance of the TYK2 I684S variant in psoriasis susceptibility.
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Affiliation(s)
- C Enerbäck
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA. .,Ingrid Asp Psoriasis Research Center, Department of Dermatology, Linköping University, Linköping, Sweden.
| | - C Sandin
- Ingrid Asp Psoriasis Research Center, Department of Dermatology, Linköping University, Linköping, Sweden
| | - S Lambert
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
| | - M Zawistowski
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | - P E Stuart
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
| | - D Verma
- Ingrid Asp Psoriasis Research Center, Department of Dermatology, Linköping University, Linköping, Sweden
| | - L C Tsoi
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA.,Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | - R P Nair
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
| | - A Johnston
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA
| | - J T Elder
- Department of Dermatology, University of Michigan, Ann Arbor, MI, USA.,Ann Arbor Veterans Affairs Health System, Ann Arbor, MI, USA
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Johnston A, Lucato A, Mander P, Iqbal F, Wu J, Li R, Szaraz P, Librach C. First trimester human umbilical cord perivascular cells (FTM HUCPVCs) expanded with cGMP compliant human platelet outperform conventional and older MSC sources as regenerative therapy in a rat myocardial infarction (MI) model. Cytotherapy 2018. [DOI: 10.1016/j.jcyt.2018.02.041] [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: 10/17/2022]
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Miguel Chumacero E, Johnston A, Currie G, Currie S. PO-0917: Comparison of Multi-Criteria Optimization together with RapidPlan for Head & Neck treatment. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31227-1] [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: 11/17/2022]
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Strom D, Johnston A, Gabr A, Ali R, Riaz A, Hickey R, Salem R, Lewandowski R, Mouli S. 4:12 PM Abstract No. 269 Modern multidisciplinary management of hepatocellular carcinoma: deviation from BCLC guidelines does not alter survival. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.300] [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: 11/15/2022] Open
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Slevin ML, Johnston A, Woollard RC, Piall EM, Lister TA, Turner P. Relationship between Protein Binding and Extravascular drug Concentrations of a Water-soluble Drug, Cytosine Arabinoside. J R Soc Med 2018; 76:365-8. [PMID: 6575177 PMCID: PMC1439160 DOI: 10.1177/014107688307600507] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The degree of binding of a drug to plasma proteins has a marked effect on its distribution, elimination, and pharmacological effect. Since only the unbound fraction is available for distribution into extravascular space, the ratio of drug in cerebrospinal fluid (CSF) or saliva to that in plasma is often regarded as a physiological measure of the free fraction of a drug. CSF: plasma and saliva: plasma ratios of cytosine arabinoside (araC) have been measured in patients with acute leukaemia and found to be 0.1–0.28, implying a binding of 72–90%. The protein binding of araC was measured by equilibrium dialysis in the plasma of patients with acute leukaemia at presentation. The mean binding ratio was 2.3 ± 6.8, implying that there was little or no protein binding. There was no correlation between alpha — 1 acid glycoprotein (AAG) levels and protein binding. The low CSF and saliva: plasma araC ratios found, suggest that drugs such as araC which have low lipid solubility do not pass freely into extravascular space. Thus the CSF or saliva: plasma ratio cannot be considered a good physiological measure of protein binding for drugs with poor lipid solubility.
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Gillespie M, Skipper N, Johnstone M, Skipsey D, Johnston A. RE: "Lateral X-ray for proximal femoral fractures - Is it really necessary?" Riaz et al. Surgeon 2017; 15:317-318. [PMID: 28366493 DOI: 10.1016/j.surge.2017.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 02/28/2017] [Indexed: 06/07/2023]
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Furnholm T, Foo M, Reingold L, Shedden K, Johnston A. 316 Universal transcriptomic analysis of host-microbiome interactions in psoriasis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.511] [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]
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Sarkar M, Xing X, Tsoi A, Liang Y, Berthier C, Roberts L, Patrick M, Hile G, Beamer M, Tsou P, Harms P, Elder J, Voorhees J, Johnston A, Kahlenberg J, Gudjonsson J. 043 Interferon kappa is required for regulation of baseline type I interferon responses in keratinocytes and is dysregulated in cutaneous lupus. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.056] [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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Furnholm T, Reingold L, Johnston A. 638 Analysis of microbial drivers of psoriasis using a novel universal RNA-seq pipeline. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.660] [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: 11/28/2022]
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Chorachoo J, Lambert S, Roberts L, Voravuthikunchai S, Johnston A. 714 Rhodomyrtone suppresses TNF-α and IL-17A-induced keratinocyte inflammatory responses: A potential therapeutic for psoriasis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.737] [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: 11/30/2022]
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Hodgetts JM, Johnston A, Kendrew J. Long-term follow-up of two patients with retained intraosseous sternal needles. J ROY ARMY MED CORPS 2017; 163:221-222. [PMID: 28249956 DOI: 10.1136/jramc-2016-000699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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: 08/03/2016] [Revised: 11/03/2016] [Accepted: 11/06/2016] [Indexed: 11/04/2022]
Abstract
Sternal intraosseous devices are widely used in both civilian and military trauma when vascular access is difficult to establish. We discuss a rare complication of intraosseous needle insertion in two patients where the needle tip remained in the sternum after the device had been removed. Neither patient had evidence of any complication of the retained intraosseous needle tip after >6 years of follow-up.
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Affiliation(s)
- James M Hodgetts
- Department of Trauma and Orthopaedics, Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, UK
| | - A Johnston
- Intensive Care, Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - J Kendrew
- Department of Trauma and Orthopaedics, Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, Birmingham, UK
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Johnston A, Garcia S, Hein S, Bu W, Yi L. Abstract P2-07-08: Neuroleptics in breast cancer risk. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p2-07-08] [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: 11/16/2022]
Abstract
Abstract
This abstract was not presented at the symposium.
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Affiliation(s)
| | - S Garcia
- Baylor College of Medicine, Houston, TX
| | - S Hein
- Baylor College of Medicine, Houston, TX
| | - W Bu
- Baylor College of Medicine, Houston, TX
| | - L Yi
- Baylor College of Medicine, Houston, TX
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Trivedi S, Kwok F, Johnston A, Varikatt W, Lin M, Stewart G, Thomas L. Echocardiography Strain Measurements: A Valuable Tool in Patients with Cardiac Deposition Disorders. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.497] [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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Oldfield IB, Kipper K, Barker CI, Philips BJ, Cecconi M, Rhodes A, Johnston A, Standing JF, Baker EH, Sharland M, Lonsdale DO. S13 Pharmacokinetics and pharmacodynamics of antimicrobials in critically ill patients with lower respiratory tract infections. are ‘one size fits all’ doses appropriate? Thorax 2016. [DOI: 10.1136/thoraxjnl-2016-209333.19] [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: 11/04/2022]
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Cull F, Gray S, Johnstone M, Gillespie M, Johnston A. RE: "Significant elevation of carcinoembryonic antigen levels in abdominal drains after colorectal surgery may indicate early anastomotic dehiscence" - Berkovich et al. Am J Surg 2016; 213:1190-1191. [PMID: 27816200 DOI: 10.1016/j.amjsurg.2016.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 09/24/2016] [Indexed: 11/15/2022]
Affiliation(s)
- F Cull
- West of Scotland Deanery, Department of Paediatric and Neonatal Surgery, Royal Hospital for Children, Glasgow, Scotland
| | - S Gray
- Department of General Surgery, Royal Alexandra Hospital, Paisley, Scotland
| | - M Johnstone
- West of Scotland Deanery, Department of General Surgery, Queen Elizabeth University Hospital, Glasgow, Scotland
| | - M Gillespie
- West of Scotland Deanery, Department of General Surgery, Queen Elizabeth University Hospital, Glasgow, Scotland
| | - A Johnston
- West of Scotland Deanery, Department of Paediatric and Neonatal Surgery, Royal Hospital for Children, Glasgow, Scotland.
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Batt T, Tegg E, Johnston A. Myeloproliferative neoplasms: association with lymphoproliferative disorders; a single institution experience. Pathology 2016; 48:637-9. [DOI: 10.1016/j.pathol.2016.07.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 07/07/2016] [Indexed: 11/24/2022]
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Tucker A, Diamond O, McDonald S, Johnston A, Neil M, Kealey D, Archbold P. Is there any place for the variable angle proximal femoral plate? A case matched cohort study against the Dynamic Hip Screw system. Injury 2016; 47:2173-2181. [PMID: 27370171 DOI: 10.1016/j.injury.2016.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 06/09/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION The Variable angle Martin Plate (MP) is designed to offer patient-specific adaption for the treatment of intertrochanteric hip fractures. Its proposed benefits include optimization of lag screw placement, plate shaft congruence and reduced risk of failure. Often its use has been criticized as representing a poor reduction of the fracture. The purpose of this study was to assess for a poorer quality of reduction, and compare functional outcomes and mortality, using a MP to that of a fixed angle Dynamic Hip Screw (DHS) in a matched cohort of patients. METHODS A retrospective review of a prospective fracture database system was undertaken between 1st January 2004 to 31st December 2013. MP patients were matched to a cohort of DHS patients. Outcomes measure were a quality of procedure score(QPS), 1-year mortality rates, reoperation rates, and Barthel Index functional outcome. Minimum follow up was 12 months. RESULTS A total of 77 Martin Plate patients were identified and case matched. The mean pre- and post-op Neck Shaft Angle (NSA) in the MPs was significantly different (132.97±7.78 Vs 126±8.62; p<0.0001). Conversely, the mean pre op DHS NSA and the mean post op NSA was not (p=0.397). Mean Tip-Apex Distance (TAD) was significantly different between groups; MP mean 26.51±9.09mm vs DHS 23.50±8.14mm (p=0.023). The QPS consisted of 4 variables. A significant inverse relationship between QPS and the incidence of construct related complications exists. TAD>25mm, and a change in AP NSA of >5°conveyed the greatest risk of complications. No difference occurred in complications, nor 12-month mortality. CONCLUSIONS No statistical difference was found in the quality of reduction between MP and DHS in this group of matched patients. QPS demonstrated a significant inverse correlation with implant-related complications. No significant difference was noted in the incidence of complications, Barthel Index functional scores, or 12-month mortality between implants. A rationale exists regarding the use of MPs, particularly in patients with varus NSA. However, planning and adequate reduction are essential regardless of implant choice.
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Affiliation(s)
- A Tucker
- Royal Victoria Hospital, Belfast, United Kingdom.
| | - O Diamond
- Royal Victoria Hospital, Belfast, United Kingdom
| | - S McDonald
- Fracture Outcomes and Research Department (FORD), Royal Victoria Hospital, Belfast, United Kingdom
| | - A Johnston
- Royal Victoria Hospital, Belfast, United Kingdom
| | - M Neil
- Royal Victoria Hospital, Belfast, United Kingdom
| | - D Kealey
- Royal Victoria Hospital, Belfast, United Kingdom
| | - P Archbold
- Royal Victoria Hospital, Belfast, United Kingdom
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Jeyaprakash P, Gan G, Bhat A, Aladdin A, Hussain M, Bayley A, Johnston A, Kwok F, Scherrer-Crosbie M, Tan T. The Incidence of Cardiac-Toxicity and Mortality in Acute Leukaemia, Lymphoma and Sarcoma Patients Treated with Anthracyclines in a Single Australian Tertiary Centre. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.653] [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: 11/27/2022]
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