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Safford B, Api AM, Barratt C, Comiskey D, Daly EJ, Ellis G, McNamara C, O'Mahony C, Robison S, Smith B, Thomas R, Tozer S. Corrigendum to "Use of an aggregate exposure model to estimate consumer exposure to fragrance ingredients in personal care and cosmetic products" [Regul. Toxicol. Pharmacol. 72 3 (2015) 673-68]. Regul Toxicol Pharmacol 2024; 147:105545. [PMID: 38177031 DOI: 10.1016/j.yrtph.2023.105545] [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: 01/06/2024]
Affiliation(s)
- B Safford
- B-Safe Toxicology Consulting, 31 Hayway, Rushden, Northants, NN10 6AG, United Kingdom
| | - A M Api
- Research Institute for Fragrance Materials, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, United States.
| | - C Barratt
- Unilever, Safety and Environmental Assurance Centre, Colworth Park, Sharnbrook, Beds, MK44 1LQ, United Kingdom
| | - D Comiskey
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - E J Daly
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - G Ellis
- Givaudan International S.A., 5 chemin de la parfumerie, CH1214, Vernier, Switzerland
| | - C McNamara
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland.
| | - C O'Mahony
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - S Robison
- The Procter and Gamble Company, Mason Business Center, 8700 Mason Montgomery Rd, Mason, OH, 45040, United States
| | - B Smith
- Firmenich Inc., P.O. Box 5880, Princeton, NJ, 08543, United States
| | - R Thomas
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - S Tozer
- Procter&Gamble, Surrey, TW20 9NW, United Kingdom
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Abu-Ghanem Y, Forster L, Khetrapal P, Ellis G, Singh P, Srinivasan R, Kucheria R, Goyal A, Allen D, Goode A, Yu D, Ajayi L. Factors Predicting Outcomes of Supine Percutaneous Nephrolithotomy: Large Single-Centre Experience. J Pers Med 2022; 12:jpm12121956. [PMID: 36556177 PMCID: PMC9784354 DOI: 10.3390/jpm12121956] [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: 08/14/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022] Open
Abstract
Objective: Percutaneous nephrolithotomy (PCNL) is the treatment of choice for large renal calculi. The prone position has been considered the preferred position to obtain renal access. However, the supine position has recently gained popularity, which confers several potential advantages. The current study analyses the prognostic factors for successful supine PCNL procedures in a larger tertiary centre. Subjects: Prospective data were collected from all patients undergoing PCNL in the Galdako modified Valdivia position at our institution between February-2007 and September-2020. Surgical outcomes variables collected included: the rate of Endoscopic-combined intra-renal surgery (ECIRS), operative times, surgical effectiveness (no residuals <2 mm stone fragments) and complications. Results: A total of 592 patients underwent PCNL with a median age of 56 years (IQR: 42−67). The median stone size was 17 mm (IQR: 13−23). Of those, 79% of patients had an effective procedure. Stone size (p < 0.001), location (p < 0.001) and Guys-Stone Score (GSS) (p < 0.001) were associated with effectiveness. A Percutaneous nephrostomy tube was sited at the completion of the procedure in 97.3% of patients and a simultaneous double-J stent in 45.3%. Stent insertion was associated with larger stones (p < 0.001), the performance of ECIRS (p < 0.001) and higher GSS (p < 0.001). The overall complication rate was 21.7%. The main type of complication was an infection in 26.2 of the cases followed by the need for repeated nephrostogram in 12.7%. Conclusions: We demonstrate that PCNL in a high-volume centre is safe and efficacious in the Galdalko modified Valdivia position. Patients with smaller stones in the renal pelvis and a low GSS have the highest chance of a successful procedure.
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Affiliation(s)
- Yasmin Abu-Ghanem
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
- Correspondence:
| | - Luke Forster
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | | | - Gidon Ellis
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | - Paras Singh
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | | | - Rajesh Kucheria
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | - Anuj Goyal
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | - Darrell Allen
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
| | - Antony Goode
- Department of Radiology, Royal Free Hospital, London NW3 2PS, UK
| | - Dominic Yu
- Department of Radiology, Royal Free Hospital, London NW3 2PS, UK
| | - Leye Ajayi
- Department of Urology, Royal Free Hospital, London NW3 2PS, UK
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Abu-Ghanem Y, Fontaine C, Sehgal R, Forster L, Verma N, Ellis G, Kucheria R, Allen D, Singh P, Goyal A, Ajayi L. Emergency Primary Ureteroscopy for Acute Ureteric Colic-From Guidelines to Practice. J Pers Med 2022; 12:jpm12111866. [PMID: 36579588 PMCID: PMC9695960 DOI: 10.3390/jpm12111866] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE To review the factors that may influence the ability to achieve the present guidelines' recommendations in a well-resourced tertiary centre. According to current National Institute for Health and Care Excellence (NICE) guidelines, definitive treatment (primary ureteroscopy (URS) or shock wave lithotripsy (ESWL)) should be offered to patients with symptomatic renal colic that are unlikely to pass the stone within 48 h of diagnosis. METHODS Retrospective review of all patients presenting to the emergency department between January and December 2019 with a ureteric or renal stone diagnosis. The rate of emergency intervention, risk factors for intervention and outcomes were compared between patients who were treated by primary definitive surgery vs. primary symptom relief by urethral stenting alone. RESULTS A total of 244 patients required surgical management for symptomatic ureteric colic without symptoms of urinary infection. Of those, 92 patients (37.7%) underwent definitive treatment by either primary URS (82 patients) or ESWL (9 patients). The mean time for the procedure was 25.5 h (range: 1-118). Patients who underwent primary definitive treatment were likelier to have smaller and distally located stones than the primary stenting group. Primary ureteroscopy was more likely to be performed in a supervised setting than emergency stenting. CONCLUSIONS Although definitive treatment carries high success rates, in a high-volume tertiary referral centre, it may not be feasible to offer it to all patients, with emergency stenting providing a safe and quick interim measure. Factors determining the ability to provide definitive treatment are stone location, stone size and resident supervision in theatre.
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Sehgal R, Abu-Ghanem Y, Fontaine C, Forster L, Goyal A, Allen D, Kucheria R, Singh P, Ellis G, Ajayi L. Primary Definitive Treatment versus Ureteric Stenting in the Management of Acute Ureteric Colic: A Cost-Effectiveness Analysis. J Pers Med 2022; 12:jpm12111773. [PMID: 36579512 PMCID: PMC9697827 DOI: 10.3390/jpm12111773] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 01/01/2023] Open
Abstract
Objectives: To analyze the differences in cost-effectiveness between primary ureteroscopy and ureteric stenting in patients with ureteric calculi in the emergency setting. Patients and Methods: Patients requiring emergency intervention for a ureteric calculus at a tertiary centre were analysed between January and December 2019. The total secondary care cost included the cost of the procedure, inpatient hospital bed days, emergency department (A&E) reattendances, ancillary procedures and any secondary definitive procedure. Results: A total of 244 patients were included. Patients underwent ureteric stenting (62.3%) or primary treatment (37.7%), including primary ureteroscopy (URS) (34%) and shock wave lithotripsy (SWL) (3.6%). The total secondary care cost was more significant in the ureteric stenting group (GBP 4485.42 vs. GBP 3536.83; p = 0.65), though not statistically significant. While mean procedural costs for primary treatment were significantly higher (GBP 2605.27 vs. GBP 1729.00; p < 0.001), costs in addition to the procedure itself were significantly lower (GBP 931.57 vs. GBP 2742.35; p < 0.001) for primary treatment compared to ureteric stenting. Those undergoing ureteric stenting had a significantly higher A&E reattendance rate compared with primary treatment (25.7% vs. 10.9%, p = 0.02) and a significantly greater cost per patient related to revisits to A&E (GBP 61.05 vs. GBP 20.87; p < 0.001). Conclusion: Primary definitive treatment for patients with acute ureteric colic, although associated with higher procedural costs than ureteric stenting, infers a significant reduction in additional expenses, notably related to fewer A&E attendances. This is particularly relevant in the COVID-19 era, where it is crucial to avoid unnecessary attendances to A&E and reduce the backlog of delayed definitive procedures. Primary treatment should be considered concordance with clinical judgement and factors such as patient preference, equipment availability and operator experience.
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Wong S, Sehgal R, Birks T, Allen D, Goyal A, Kucheria R, Ajayi L, Ellis G. 1191 The Use of CT Urography to Diagnose Upper Tract Urothelial Carcinomas (UTUC); Managing Surgical Resources During The COVID-19 Pandemic. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.1103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
Upper tract urothelial carcinomas (UTUC) account for 5-10% of urothelial malignancies. Rapid diagnosis is essential as 60% are invasive at diagnosis and confer poor prognoses. European Association of Urology (EAU) guidelines recommend CT urography (CTU) for initial diagnosis and staging of UTUCs. Diagnostic ureteroscopy (URS) is used second line where diagnosis is unclear. The COVID-19 pandemic has limited theatre access and may delay diagnosis of suspected UTUC. Our aim was to evaluate specific CTU findings in predicting UTUC to aid prompt diagnosis and risk stratification in a tertiary centre.
Method
A retrospective analysis was performed on 122 patients who underwent CTU with diagnostic URS over two years from 2018-2019 for possible UTUC. Data including demographics, imaging and histology were collected from our electronic database.
Results
57 patients had confirmed UTUC, all had CT changes. CTU had an overall positive predictive value (PPV) of 45%. CT findings were divided into: hydronephrosis; filling defect/lesion; urothelial thickening; normal; or other. The PPV was highest for filling defects/lesions at 60%, hydronephrosis was 38%, urothelial thickening was 30%, and other was 33%. Of those with high-grade histology, 61% had evidence of filling defects/lesions and 24% had hydronephrosis.
Conclusions
A specific CTU finding of filling defect/lesion in combination with cytology can aid diagnosis and risk stratification of UTUC. This may enable us to reduce use of diagnostic URS, as well as associated risks of intravesical seeding, necessary in the COVID-19 pandemic. With other CTU findings of hydronephrosis or urothelial thickening, a diagnostic URS may be required.
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Affiliation(s)
- S Wong
- Royal Free Hospital, London, United Kingdom
| | - R Sehgal
- Royal Free Hospital, London, United Kingdom
| | - T Birks
- Royal Free Hospital, London, United Kingdom
| | - D Allen
- Royal Free Hospital, London, United Kingdom
| | - A Goyal
- Royal Free Hospital, London, United Kingdom
| | - R Kucheria
- Royal Free Hospital, London, United Kingdom
| | - L Ajayi
- Royal Free Hospital, London, United Kingdom
| | - G Ellis
- Royal Free Hospital, London, United Kingdom
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Sehgal R, Wong S, Abu-Ghanem Y, Birks T, Kucheria R, Allen D, Goyal A, Singh P, Ajayi L, Ellis G. PD43-12 WHAT PART DOES URETEROSCOPY PLAY IN THE DIAGNOSTIC PATHWAY OF UPPER TRACT TRANSITIONAL CARCINOMA? A TWO-YEAR REVIEW IN A HIGH-VOLUME INSTITUTION. J Urol 2021. [DOI: 10.1097/ju.0000000000002057.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sehgal R, Wong S, Abu-Ghanem Y, Birks T, Kucheria R, Allen D, Goyal A, Singh P, Ajayi L, Ellis G. What part does ureteroscopy play in the diagnostic pathway of upper tract urothelial carcinoma? A two-year review in a high volume institution. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01175-1] [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: 10/20/2022]
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Da Silva E, Hickey C, Ellis G, Hougaard K, Sørli J. In vitro prediction of clinical signs of respiratory toxicity in rats following inhalation exposure. Curr Res Toxicol 2021; 2:204-209. [PMID: 34345862 PMCID: PMC8320621 DOI: 10.1016/j.crtox.2021.05.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 04/26/2021] [Accepted: 05/12/2021] [Indexed: 11/30/2022] Open
Abstract
To date there are no OECD validated alternative approaches to study toxicity following inhalation exposure to airborne chemicals. The available OECD test guidelines for acute inhalation toxicity aim to estimate a value of the lethal air concentration of the test chemical leading to the death of 50% of the exposed animals (LC50), to satisfy hazard classification and labelling requirements. This paper explores the view that alternative approaches must compare to outcomes of existing guideline methods to become accepted and implemented in a regulatory context. This case study describes the initiatives taken to validate the lung surfactant bioassay, an in vitro cell-free method, and discusses the challenges faced. While the lung surfactant bioassay could not predict the GHS classification for acute inhalation toxicity of 26 chemicals, the assay successfully predicted the clinical signs of respiratory toxicity observed during or shortly after exposure in vivo as reported in registration dossiers. The lung surfactant bioassay is a promising alternative approach to assess the potential of chemicals to cause changes to respiration remaining after exposure (indicating decreased lung function), and can be combined with other test methods in an integrated approach to testing and assessment of inhaled substances.
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Affiliation(s)
- E. Da Silva
- Technical University of Denmark, Kgs. Lyngby, Denmark
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - C. Hickey
- Firmenich Incorporated, United States
| | | | - K.S. Hougaard
- National Research Centre for the Working Environment, Copenhagen, Denmark
- University of Copenhagen, Copenhagen, Denmark
| | - J.B. Sørli
- National Research Centre for the Working Environment, Copenhagen, Denmark
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Sehgal R, Birks T, Pindoria N, Grant L, Ajayi L, Ellis G. Computed tomography urography (CTU) findings as a predictor of the presence and grade of upper tract urothelial cancer (UTUC). EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)30089-6] [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: 11/26/2022] Open
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Sehgal R, Birks T, Pindoria N, Kucheria R, Allen D, Goyal A, Singh P, Ajayi L, Ellis G. The vital role of diagnostic ureteroscopy in the diagnosis of upper tract urothelial carcinoma: Review of a high-volume centre over a 12-month period. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)30090-2] [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: 11/29/2022] Open
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Bell C, Moore SL, Gill A, Obi-Njoku O, Hughes SF, Saleemi A, Ellis G, Khan F, Shergill IS. Safety and efficacy of Holmium laser enucleation of the prostate (HoLEP) in patients with previous transperineal biopsy (TPB): outcomes from a dual-centre case-control study. BMC Urol 2019; 19:97. [PMID: 31640663 PMCID: PMC6805368 DOI: 10.1186/s12894-019-0523-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [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: 05/30/2019] [Accepted: 09/20/2019] [Indexed: 02/06/2023] Open
Abstract
Background We investigated the surgical feasibility, safety and effectiveness of 50 W (low power) Holmium Laser enucleation of the prostate (HoLEP) in patients who have undergone previous template biopsy of the prostate (TPB). Methods Data encompassing pre-operative baseline characteristics, intra-operative measures and post-operative outcomes was collected for 109 patients undergoing HoLEP across two UK centres. Patients were stratified into two groups; group 1 (n = 24) had undergone previous TPB were compared with ‘controls’ (no previous TPB) in group 2 (n = 85). The primary outcome was successful HoLEP. Results There were no statistically significant differences in either key baseline characteristics or mass of prostate enucleated between groups 1 and 2. There was no statistically significant difference in enucleation or morcellation times parameters between the two groups other than enucleation efficiency in favour of group 1 (p = 0.024). Functional outcomes improved, without any statistically significant difference, in both groups. Conclusions In patients with a previous TPB, HoLEP is surgically feasible, safe and effective. TPB should not be considered a contraindication to HoLEP. Our work provides a strong foundation for further research in this area.
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Affiliation(s)
- Chris Bell
- Department of Urology, Wrexham Maelor Hospital, Wrexham, Wales, UK. .,North Wales Clinical Research Centre, Gwenfro, Wrexham Technology Park, Wrexham, LL13 7YP, UK.
| | - Sacha L Moore
- Department of Urology, Wrexham Maelor Hospital, Wrexham, Wales, UK
| | - Amarit Gill
- Department of Urology, Wrexham Maelor Hospital, Wrexham, Wales, UK.,North Wales Clinical Research Centre, Gwenfro, Wrexham Technology Park, Wrexham, LL13 7YP, UK
| | - Obinna Obi-Njoku
- North Wales Clinical Research Centre, Gwenfro, Wrexham Technology Park, Wrexham, LL13 7YP, UK
| | - Stephen F Hughes
- North Wales Clinical Research Centre, Gwenfro, Wrexham Technology Park, Wrexham, LL13 7YP, UK
| | - Asad Saleemi
- Department of Urology, Luton and Dunstable University Hospital, Lewsey Road, Luton, LU4 0DZ, UK
| | - Gidon Ellis
- Department of Urology, Luton and Dunstable University Hospital, Lewsey Road, Luton, LU4 0DZ, UK
| | - Farooq Khan
- Department of Urology, Luton and Dunstable University Hospital, Lewsey Road, Luton, LU4 0DZ, UK
| | - Iqbal S Shergill
- Department of Urology, Wrexham Maelor Hospital, Wrexham, Wales, UK.,North Wales Clinical Research Centre, Gwenfro, Wrexham Technology Park, Wrexham, LL13 7YP, UK
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Word A, Broadway P, Liang Y, Newcomb H, Burdick Sanchez N, Capik S, Littlejohn B, Holland B, Ellis G, Fuselier J, Hutcheson J, Ballou M, Carroll J. PSVIII-19 Acute metabolic responses to a combined viral-bacterial respiratory disease challenge in heifers administered transdermal flunixin meglumine. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.065] [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: 11/14/2022] Open
Affiliation(s)
- A Word
- Texas Tech University,Canyon, TX, United States
| | | | - Y Liang
- Texas Tech University,Canyon, TX, United States
| | - H Newcomb
- Merck Animal Health,Amarillo, TX, United States
| | | | - S Capik
- Texas A&M AgriLife Research and Department of Veterinary Pathobiology at Texas A&M College of Veterinary Medicine,College Station, TX, United States
| | - B Littlejohn
- Texas A&M Universtiy,College Station, TX, United States
| | - B Holland
- Cactus Research,Canyon, TX, United States
| | - G Ellis
- Merck Animal Health,Amarillo, TX, United States
| | - J Fuselier
- Merck Animal Health,Amarillo, TX, United States
| | - J Hutcheson
- Merck Animal Health,Amarillo, TX, United States
| | - M Ballou
- Texas Tech University,Canyon, TX, United States
| | - J Carroll
- USDA-ARS, Livestock Issues Research Unit,Lubbock, TX, Lubbock, TX, United States
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Word A, Broadway P, Liang Y, Newcomb H, Burdick Sanchez N, Capik S, Littlejohn B, Holland B, Ellis G, Fuselier J, Hutcheson J, Ballou M, Carroll J. 242 Transdermal flunixin meglumine minimally alters neutrophil functionality in beef heifers administered a respiratory disease challenge. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.055] [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: 11/15/2022] Open
Affiliation(s)
- A Word
- Texas Tech University,Canyon, TX, United States
| | | | - Y Liang
- Texas Tech University,Lubbock, TX, United States
| | - H Newcomb
- Merck Animal Health,Amarillo, TX, United States
| | | | - S Capik
- Texas A&M AgriLife Research and Department of Veterinary Pathobiology at Texas A&M College of Veterinary Medicine,College Station, TX, United States
| | - B Littlejohn
- Texas A&M Universtiy,College Station, TX, United States
| | - B Holland
- Cactus Research,Canyon, TX, United States
| | - G Ellis
- Merck Animal Health,Amarillo, TX, United States
| | - J Fuselier
- Merck Animal Health,Amarillo, TX, United States
| | - J Hutcheson
- Merck Animal Health,Amarillo, TX, United States
| | - M Ballou
- Texas Tech University,Lubbock, TX, United States
| | - J Carroll
- USDA-ARS, Livestock Issues Research Unit,Lubbock, TX, Lubbock, TX, United States
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Natsch A, Emter R, Haupt T, Ellis G. Deriving a no expected sensitization induction level for fragrance ingredients without animal testing: Specific case studies assessed with different approaches. Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Taylor-Rowan M, Quinn T, Smith P, Ellis G, Keir R, McAlpine C, Marsh G, Murtagh J, McElroy M, Mitchell L, Waddell G, Williams A, Duffy L, Oswald S, Myles A, Bann A, Rodger K, Reid J, Kellichan L, Docharty D, Marshall T, McGurn B, Ritchie C, Wells A, Talbot A, McInnes C, Reynish E, Coleman D, Flynn B, Scott A, Coull A, Dingwall L. 53ASSESSING THE PSYCHOMETRIC PROPERTIES OF THE HIS “THINK FRAILTY” TOOL. Age Ageing 2018. [DOI: 10.1093/ageing/afy127.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - T Quinn
- New Lister Building, Glasgow Royal Infirmary
| | - P Smith
- New Lister Building, Glasgow Royal Infirmary
| | - G Ellis
- New Lister Building, Glasgow Royal Infirmary
| | - R Keir
- New Lister Building, Glasgow Royal Infirmary
| | - C McAlpine
- New Lister Building, Glasgow Royal Infirmary
| | - G Marsh
- New Lister Building, Glasgow Royal Infirmary
| | - J Murtagh
- New Lister Building, Glasgow Royal Infirmary
| | - M McElroy
- New Lister Building, Glasgow Royal Infirmary
| | - L Mitchell
- New Lister Building, Glasgow Royal Infirmary
| | - G Waddell
- New Lister Building, Glasgow Royal Infirmary
| | - A Williams
- New Lister Building, Glasgow Royal Infirmary
| | - L Duffy
- New Lister Building, Glasgow Royal Infirmary
| | - S Oswald
- New Lister Building, Glasgow Royal Infirmary
| | - A Myles
- New Lister Building, Glasgow Royal Infirmary
| | - A Bann
- New Lister Building, Glasgow Royal Infirmary
| | - K Rodger
- New Lister Building, Glasgow Royal Infirmary
| | - J Reid
- New Lister Building, Glasgow Royal Infirmary
| | - L Kellichan
- New Lister Building, Glasgow Royal Infirmary
| | - D Docharty
- New Lister Building, Glasgow Royal Infirmary
| | - T Marshall
- New Lister Building, Glasgow Royal Infirmary
| | - B McGurn
- New Lister Building, Glasgow Royal Infirmary
| | - C Ritchie
- New Lister Building, Glasgow Royal Infirmary
| | - A Wells
- New Lister Building, Glasgow Royal Infirmary
| | - A Talbot
- New Lister Building, Glasgow Royal Infirmary
| | - C McInnes
- New Lister Building, Glasgow Royal Infirmary
| | - E Reynish
- New Lister Building, Glasgow Royal Infirmary
| | - D Coleman
- New Lister Building, Glasgow Royal Infirmary
| | - B Flynn
- New Lister Building, Glasgow Royal Infirmary
| | - A Scott
- New Lister Building, Glasgow Royal Infirmary
| | - A Coull
- New Lister Building, Glasgow Royal Infirmary
| | - L Dingwall
- New Lister Building, Glasgow Royal Infirmary
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Shah TT, Gao C, O' Keefe A, Manning T, Peacocke A, Cashman S, Nambiar A, Lamb B, Cumberbatch M, Ivin N, Maw J, Ali Abdaal C, Al Hayek S, Christidis D, Bolton D, Lawrentschuk N, Khan S, Demirel S, Graham S, Lee JCM, Evans S, Koschel S, Badgery H, Brennan J, Wang L, Nzenza T, Ruljancich P, Begum R, Hamad S, Shetty A, Swallow D, Jessica S M, Curry D, Young M, Abboudi H, Jalil R, Dasgupta R, Cameron F, Shingles C, Ho C, Parwaiz I, Henderson J, Mackenzie KR, Reid K, Umeni-Eronini N, Assaf N, Oyekan A, Sriprasad S, Hayat Z, Morrison-Jones V, Steen C, Alberto M, Rujancich P, Laird A, Sharma A, Phipps S, Harris A, Rogers A, Ngweso S, Nyandoro M, Hayne D, Hendry J, Kerr L, Mcilhenny C, Rodger F, Docherty E, Ng A, Seaward L, Eldred-Evans D, Bultitude M, Abdelmoteleb H, Hawary A, Tregunna R, Ibrahim H, Mc Grath S, O’ Brien J, Campbell A, Cronbach P, Paget A, Suraparaj L, O' Brien J, Gupta SK, Tait C, Sakthivel A, Pankhania R, Al-Qassim Z, Rezacova M, Edison E, Sandhu S, Foley R, Akintimehin A, Khan A, Nkwam N, Grice P, Khan M, Kashora F, Manson-Bahr D, Mc Cauley N, Nehikhare O, Bycroft J, Tailor K, Saleemi A, Al-Dhahir W, Abu Yousif M, O' Rourke J, Chin AOL, Pearce I, Olivier J, Tay J, Cannon A, Akman J, Hussain Z, Coode-Bate J, Natarajan M, Irving S, Murtagh K, Carrie A, Miller M, Malki M, Burge F, Ratan H, Bedi N, Kavia R, Stonier T, Simson N, Singh H, Hatem E, Arya M, Sadien I, Miakhil I, Sharma S, Olaniyi P, Stammeijer R, Mason H, Symes A, Lavan L, Rowbotham C, Wong C, Al-Shakhshir S, Belal M, Mc Kay AC, Graham J, Simmons L, Khadouri S, Withington J, Ajayi L, Ajayi L, Tay LJ, Ward A, Parys B, Liew M, Simpson R, Ross D, Adams R, Mirza AB, Acher P, Gallagher M, Premakumar Y, Ager M, Ayres B, Pang K, Patterson J, Kozan AA, Jaffer A, Din W, Biyani CS, Tam JPH, Tudor E, Probert JL, Matanhelia M, Hegazy M, Quinlan D, Ness D, Gowardhan B, Bateman K, Wozniak S, Ellis G, Smith D, Derbyshire L, Chow K, Mosey R, Osman B, Kynaston H, Clements J, Hann G, Gray S, Yassaie O, Weeratunga G, Udovicich C, Mbuvi J, Stewart H, Samsudin A, Hughes-Hallet A, Kum F, Symes R, Frymann R, Chappell B, Rezvani S, Ahmed I, Shergill I, Lee SM, Hussain A, Pickard R, Erotocritou P, Smith D, Kasivisvanathan V. PD17-08 THE EFFECTS OF MEDICALLY EXPULSIVE THERAPY (MET) ON SPONTANEOUS STONE PASSAGE (SSP) IN PATIENTS PRESENTING WITH ACUTE URETERIC COLIC. J Urol 2018. [DOI: 10.1016/j.juro.2018.02.970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Gemma Hann
- Belfast, Northern Ireland, United Kingdom
| | - Sam Gray
- Belfast, Northern Ireland, United Kingdom
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Szakmany T, Pugh R, Kopczynska M, Lundin RM, Sharif B, Morgan P, Ellis G, Abreu J, Kulikouskaya S, Bashir K, Galloway L, Al-Hassan H, Grother T, McNulty P, Seal ST, Cains A, Vreugdenhil M, Abdimalik M, Dennehey N, Evans G, Whitaker J, Beasant E, Hall C, Lazarou M, Vanderpump CV, Harding K, Duffy L, Guerrier Sadler A, Keeling R, Banks C, Ng SWY, Heng SY, Thomas D, Puw EW, Otahal I, Battle C, Minik O, Lyons RA, Hall JE. Defining sepsis on the wards: results of a multi-centre point-prevalence study comparing two sepsis definitions. Anaesthesia 2017; 73:195-204. [DOI: 10.1111/anae.14062] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2017] [Indexed: 11/28/2022]
Affiliation(s)
- T. Szakmany
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
- Anaesthetic Directorate; Aneurin Bevan University Health Board; Royal Gwent Hospital; Newport Gwent UK
| | - R. Pugh
- Anaesthetic Department; Glan Clywdd Hospital; Betsi Cadwaladar University Health Board; Bodelwyddan Rhyl UK
| | - M. Kopczynska
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - R. M. Lundin
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - B. Sharif
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - P. Morgan
- Critical Care Directorate; University Hospital of Wales; Cardiff and Vale University Health Board; Cardiff UK
| | - G. Ellis
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
- Critical Care Directorate; University Hospital of Wales; Cardiff and Vale University Health Board; Cardiff UK
| | - J. Abreu
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - S. Kulikouskaya
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - K. Bashir
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - L. Galloway
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - H. Al-Hassan
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - T. Grother
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - P. McNulty
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - S. T. Seal
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - A. Cains
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - M. Vreugdenhil
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - M. Abdimalik
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - N. Dennehey
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - G. Evans
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - J. Whitaker
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - E. Beasant
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - C. Hall
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - M. Lazarou
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - C. V. Vanderpump
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - K. Harding
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - L. Duffy
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - A. Guerrier Sadler
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - R. Keeling
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - C. Banks
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - S. W. Y. Ng
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - S. Y. Heng
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - D. Thomas
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - E. W. Puw
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
| | - I. Otahal
- Anaesthetic Department; Glangwili General Hospital; Hywel Dda University Health Board; Carmarthen UK
| | - C. Battle
- Critical Care Directorate; Morriston Hospital; Abertawe Bro Morgannwg University Health Board; Heol Maes Eglwys; Swansea UK
| | - O. Minik
- ACT Directorate; Royal Glamorgan Hospital; Cwm Taf University Health Board; Ynysmaerdy Llantrisant UK
| | - R. A. Lyons
- Farr Institute; Data Science Building; Swansea University Medical School; Swansea UK
| | - J. E. Hall
- Department of Anaesthesia, Intensive Care and Pain Medicine; Division of Population Medicine; Cardiff University; UK
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Abstract
The British Thoracic Society audit of non-invasive ventilation has shown that mortality rates are higher than expected and increasing. The National Confidential Enquiry into Patient Outcome and Death undertook a detailed analysis of data from 432 patients treated with acute non-invasive ventilation to identify how clinical aspects of non-invasive ventilation treatment could be improved. The study 'Inspiring Change' was published in July 2017. This review summarizes some of the important findings and associated recommendations that will improve treatment of patients and help to reduce mortality rates.
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Affiliation(s)
- M C Juniper
- Clinical Co-ordinator, National Confidential Enquiry into Patient Outcome and Death, London
| | - G Ellis
- Clinical Co-ordinator, National Confidential Enquiry into Patient Outcome and Death, London
| | - K L Protopapa
- Researcher, National Confidential Enquiry into Patient Outcome and Death, London
| | - Nce Smith
- Deputy Chief Executive, National Confidential Enquiry into Patient Outcome and Death, London EC1M 4DZ
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Yousef I, Ribó L, Crisol A, Šics I, Ellis G, Ducic T, Kreuzer M, Benseny-Cases N, Quispe M, Dumas P, Lefrançois S, Moreno T, García G, Ferrer S, Nicolas J, Aranda M. MIRAS: The Infrared Synchrotron Radiation Beamline at ALBA. ACTA ACUST UNITED AC 2017. [DOI: 10.1080/08940886.2017.1338410] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | - L. Ribó
- ALBA Synchrotron, Barcelona, Spain
| | | | - I. Šics
- ALBA Synchrotron, Barcelona, Spain
| | - G. Ellis
- CSIC, Institute of Polymer Science & Technology, Madrid, Spain
| | - T. Ducic
- ALBA Synchrotron, Barcelona, Spain
| | | | | | | | - P. Dumas
- Synchrotron SOLEIL, Gif-sur-Yvette, France
| | | | - T. Moreno
- Synchrotron SOLEIL, Gif-sur-Yvette, France
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Comiskey D, Api A, Barrett C, Ellis G, McNamara C, O'Mahony C, Robison S, Rose J, Safford B, Smith B, Tozer S. Integrating habits and practices data for soaps, cosmetics and air care products into an existing aggregate exposure model. Regul Toxicol Pharmacol 2017; 88:144-156. [DOI: 10.1016/j.yrtph.2017.05.017] [Citation(s) in RCA: 1034] [Impact Index Per Article: 147.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/08/2017] [Accepted: 05/23/2017] [Indexed: 12/11/2022]
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21
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Safford B, Api A, Barratt C, Comiskey D, Ellis G, McNamara C, O'Mahony C, Robison S, Rose J, Smith B, Tozer S. Application of the expanded Creme RIFM consumer exposure model to fragrance ingredients in cosmetic, personal care and air care products. Regul Toxicol Pharmacol 2017; 86:148-156. [DOI: 10.1016/j.yrtph.2017.02.021] [Citation(s) in RCA: 1014] [Impact Index Per Article: 144.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 02/23/2017] [Accepted: 02/27/2017] [Indexed: 10/20/2022]
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22
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Cho E, Wu Q, Rubinstein L, Linden H, Gralow J, Specht J, Gadi V, Ellis G. Abstract P5-14-10: Weekly doxorubicin and daily oral cyclophosphamide followed by nab-paclitaxel for adjuvant therapy of high-risk localized breast cancer. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p5-14-10] [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
BACKGROUND: The addition of taxanes to anthracycline-based adjuvant chemotherapy has improved disease free survival (DFS) in women with high-risk early-stage breast cancer. Many studies have sought to optimize the dose intensity and density of these agents to produce improvements in outcome and tolerability. The purpose of this study was to assess the use of metronomic doxorubicin plus daily oral cyclophosphamide (AC) for 12 weeks followed by nab-paclitaxel (nP) for 12 weeks in this population. Those patients with Her2 positive disease were also given adjuvant trastuzumab.
METHODS: A non-randomized phase II clinical trial was designed to (1) test the DFS at 2 years compared to historical controls, (2) assess dose intensity delivered, (3) assess use of nP in the adjuvant setting, and (4) evaluate toxicities associated with the regimen. Overall survival (OS) was a secondary outcome. The dosing of A was 24mg/m2 IV qweek and C was 60mg/m2 oral daily; nP, 100mg/m2 IV qweek.
RESULTS: Sixty patients were enrolled on the study with a median follow-up of 6 years and a median age of 50 (range 30-69). 58% of patients had node positive disease. Receptor categories included hormone receptor positive (ER positive or PR positive) and HER2 negative (n=24; 40%); ER negative, PR negative, and HER2 negative (triple negative; n=19; 32%); or HER2 positive (n=17; 28%). DFS at 2 years was 93% (1 death, 3 recurrence) and at 6 years was 82%, comparable to historical controls. OS at 2 years and 6 years was 98% and 88%, respectively. Mean dose intensity was greater than 90% for AC and 88% for nP. Treatment was well-tolerated with the most common grade ≥3 toxicity being neutropenia and a 2% incidence of febrile neutropenia.
Disease-free survival and overall survival at 2 and 6 years 2 year 6 year DFS %OS %DFS %OS %All patients93988288ER+ or PR+, HER2-921007979Triple negative89957989HER2+10010088100
CONCLUSSIONS: Patients achieved similar DFS to that seen in historical controls with similar rates of adverse events. Since nP dosing was 100 mg/m2, even with 88% dose intensity, the delivered taxane dose is greater than standard weekly paclitaxel. Notably disease control was particularly impressive in the triple negative subtype, which has been shown to benefit from nP over standard paclitaxel in the neoadjuvant setting in the GeparSepto (GBG 69) trial. Metronomic AC followed by nP is a safe, effective option for delivery of adjuvant chemotherapy for high-risk patients.
Citation Format: Cho E, Wu Q, Rubinstein L, Linden H, Gralow J, Specht J, Gadi V, Ellis G. Weekly doxorubicin and daily oral cyclophosphamide followed by nab-paclitaxel for adjuvant therapy of high-risk localized breast cancer [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P5-14-10.
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Affiliation(s)
- E Cho
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Q Wu
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - L Rubinstein
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - H Linden
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - J Gralow
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - J Specht
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - V Gadi
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
| | - G Ellis
- Palo Alto Medical Foundation, Sunnyvale, CA; Seattle Cancer Care Alliance, Seattle, WA; University of Washington, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA
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Affiliation(s)
- G. Ellis
- Dept. Chemical Pathology, Royal Hospital, Sheffield
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Affiliation(s)
- D. M. Goldberg
- Department of Clinical Pathology, Royal Hospital. Sheffield S1 3SR
| | - G. Ellis
- Department of Clinical Pathology, Royal Hospital. Sheffield S1 3SR
| | - A. R. Wilcock
- Department of Clinical Pathology, Royal Hospital. Sheffield S1 3SR
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Tan WS, Sridhar A, Ellis G, Lamb B, Goldstraw M, Nathan S, Hines J, Cathcart P, Briggs T, Kelly J. Analysis of open and intracorporeal robotic assisted radical cystectomy shows no significant difference in recurrence patterns and oncological outcomes. Urol Oncol 2016; 34:257.e1-9. [PMID: 26968561 DOI: 10.1016/j.urolonc.2016.02.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 02/03/2016] [Accepted: 02/06/2016] [Indexed: 10/22/2022]
Abstract
OBJECTIVES To report and compare early oncological outcomes and cancer recurrence sites among patients undergoing open radical cystectomy (ORC) and robotic-assisted radical cystectomy with intracorporeal urinary diversion (iRARC). METHODS AND MATERIALS A total of 184 patients underwent radical cystectomy for bladder cancer. ORC cases (n = 94) were performed between June 2005 and July 2014 while iRARC cases (n = 90) were performed between June 2011 and July 2014. Primary outcome was recurrence free survival (RFS). Secondary outcomes were sites of local and metastatic recurrence, cancer specific survival (CSS) and overall survival (OS). RESULTS Median follow-up for patients without recurrence was 33.8 months (interquartile range [IQR]: 20.5-45.4) for ORC; and 16.1 months (IQR: 11.2-27.0) for iRARC. No significant difference in age, sex, precystectomy T stage, precystectomy grade, or lymph node yield between ORC and iRARC was observed. The ORC cohort included more patients with≥pT2 (64.8% ORC vs. 38.9% iRARC) but fewer pT0 status (8.5% ORC vs.vs. 22.2% iRARC) due to lower preoperative chemotherapy use (22.3% ORC vs. 34.4% iRARC). Positive surgical margin rate was significantly higher in the ORC cohort (19.3% vs. 8.2%; P = 0.042). Kaplan-Meir analysis showed no significant difference in RFS (69.5% ORC vs. 78.8% iRARC), cancer specific survival (80.9% ORC vs. 84.4% iRARC), or OS (73.5% ORC vs.vs. iRARC 83.8%) at 24 months. Cox regression analysis showed RFS, cancer specific survival and OS were not influenced by cystectomy technique. No significant difference between local and metastatic RFS between ORC and iRARC was observed. CONCLUSION This study has found no difference in recurrence patterns or oncological outcomes between ORC and iRARC. Recurrent metastatic sites vary, but are not related to surgical technique.
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Affiliation(s)
- Wei Shen Tan
- Division of Surgery and Interventional Science, University College London, London, UK; Department of Urology, University College London Hospital, London, UK.
| | - Ashwin Sridhar
- Department of Urology, University College London Hospital, London, UK
| | - Gidon Ellis
- Department of Urology, Chase Farm & Barnet Hospitals, London, UK
| | - Benjamin Lamb
- Department of Urology, University College London Hospital, London, UK
| | - Miles Goldstraw
- Department of Urology, University College London Hospital, London, UK
| | - Senthil Nathan
- Department of Urology, University College London Hospital, London, UK
| | - John Hines
- Department of Urology, University College London Hospital, London, UK
| | - Paul Cathcart
- Department of Urology, University College London Hospital, London, UK
| | - Tim Briggs
- Department of Urology, University College London Hospital, London, UK; Department of Urology, Chase Farm & Barnet Hospitals, London, UK
| | - John Kelly
- Division of Surgery and Interventional Science, University College London, London, UK; Department of Urology, University College London Hospital, London, UK
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Abstract
INTRODUCTION The super-elderly population is a small but expanding group of patients who will pose a significant challenge to future healthcare resources. A snapshot audit was completed of all emergency and elective urological nonagenarian activity in a UK general hospital, including surgical outcomes in this group of patients. METHODS Prospective and retrospective databases and clinical records were examined to identify all patients aged 90-99 years who had patient episodes between January 2006 and August 2012. Patient outcomes were compared with those for a similar cohort of 80-89-year-olds during the same time period. RESULTS A total of 653 nonagenarian patient episodes were identified (including 138 emergency admissions, 25 emergency surgical procedures, 71 elective surgical procedures, 173 local anaesthetic procedures and 270 outpatient visits). The in-hospital mortality rate for emergency admissions was 10%. The mean length of hospital stay was significantly longer for nonagenarians than for octogenarians (14.4 vs 6.5 days, p<0.00001). The postoperative mortality rate following emergency and elective surgery was 16% and 1% for nonagenarians and octogenarians respectively. CONCLUSIONS Nonagenarian patients often have complex medical co-morbidities and challenging social circumstances that contribute to delayed recovery from acute illness and surgery as well as long periods of hospitalisation. Adopting a multidisciplinary approach with formal input from specialist geriatric surgical services may improve patient outcomes and allow patients to be discharged to their former places of residence.
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Safford B, Api AM, Barratt C, Comiskey D, Daly EJ, Ellis G, McNamara C, O'Mahony C, Robison S, Smith B, Thomas R, Tozer S. Use of an aggregate exposure model to estimate consumer exposure to fragrance ingredients in personal care and cosmetic products. Regul Toxicol Pharmacol 2015; 72:673-82. [PMID: 26071898 DOI: 10.1016/j.yrtph.2015.05.017] [Citation(s) in RCA: 1399] [Impact Index Per Article: 155.4] [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: 10/11/2014] [Revised: 05/07/2015] [Accepted: 05/13/2015] [Indexed: 11/26/2022]
Abstract
Ensuring the toxicological safety of fragrance ingredients used in personal care and cosmetic products is essential in product development and design, as well as in the regulatory compliance of the products. This requires an accurate estimation of consumer exposure which, in turn, requires an understanding of consumer habits and use of products. Where ingredients are used in multiple product types, it is important to take account of aggregate exposure in consumers using these products. This publication investigates the use of a newly developed probabilistic model, the Creme RIFM model, to estimate aggregate exposure to fragrance ingredients using the example of 2-phenylethanol (PEA). The output shown demonstrates the utility of the model in determining systemic and dermal exposure to fragrances from individual products, and aggregate exposure. The model provides valuable information not only for risk assessment, but also for risk management. It should be noted that data on the concentrations of PEA in products used in this article were obtained from limited sources and not the standard, industry wide surveys typically employed by the fragrance industry and are thus presented here to illustrate the output and utility of the newly developed model. They should not be considered an accurate representation of actual exposure to PEA.
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Affiliation(s)
- B Safford
- B-Safe Toxicology Consulting, 31 Hayway, Rushden, Northants NN10 6AG, United Kingdom
| | - A M Api
- Research Institute for Fragrance Materials, 50 Tice Boulevard, Woodcliff Lake, NJ 07677, United States.
| | - C Barratt
- Unilever, Safety and Environmental Assurance Centre, Colworth Park, Sharnbrook, Beds MK44 1LQ, United Kingdom
| | - D Comiskey
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - E J Daly
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - G Ellis
- Givaudan International S.A., 5 chemin de la parfumerie, CH1214 Vernier, Switzerland
| | - C McNamara
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - C O'Mahony
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - S Robison
- The Procter and Gamble Company, Mason Business Center, 8700 Mason Montgomery Rd, Mason, OH 45040, United States
| | - B Smith
- Firmenich Inc., P.O. Box 5880, Princeton, NJ 08543, United States
| | - R Thomas
- Creme Global Ltd, The Tower, Trinity Enterprise Centre, Grand Canal Quay, Dublin 2, Ireland
| | - S Tozer
- Procter&Gamble, Surrey TW20 9NW, United Kingdom
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Szakmany T, Ellis G, Lundin RM, Pignatelli I, Sharif B, Joshi S, Donoghue D, Morgan P, Hall JE. Sepsis in Wales on the general wards: results of a feasibility pilot. Br J Anaesth 2015; 114:1000-1. [PMID: 25991742 DOI: 10.1093/bja/aev133] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Affiliation(s)
- Gidon Ellis
- Department of Urology; Whittington Hospital; London UK
| | - Alan John Camm
- Department of Clinical Cardiology; St George's Healthcare NHS Trust; London UK
| | - Soumendra N. Datta
- Department of Urology; Colchester Hospital University Foundation Trust; Colchester UK
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Ellis G, Pridgeon S, Lamb BW, Awsare NS, Osaghae S, Smith SG, McNicholas TA, Green JSA. Psychological distress in out-patients undergoing flexible cystoscopy for the investigation of bladder cancer. Journal of Clinical Urology 2014. [DOI: 10.1177/2051415814551821] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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
Objectives: Flexible cystoscopy can cause patients significant psychological distress, especially when utilised in the diagnostic pathway for suspected bladder cancer. We aimed to assess the prevalence of general anxiety and depression, as well as procedure-related worry and pain in patients undergoing local anaesthetic flexible cystoscopy and to determine whether these conditions occur more frequently in subsets of the population. Patients and methods: Patients referred for flexible cystoscopy were invited to participate. Patients were asked to complete a questionnaire containing the Hospital Anxiety and Depression Scale (HADS), a worry score and a question regarding the most stressful event in the diagnostic pathway. Following the procedure patients were also asked to complete a pain score. Results: A total of 175 patients participated in the study. The prevalence of significant anxiety was 15% and depression 3.5%. This was higher in younger, female and unmarried patients. Procedure-related worry and pain were generally low. Conclusions: We found the prevalence of anxiety and depression in patients undergoing flexible cystoscopy to be raised compared to a similar cohort of patients undergoing TRUS-guided prostate biopsy. We have identified subgroups more likely to experience these symptoms and have also identified the sections of the diagnostic pathway that are most likely to cause anxiety and depression. By doing this we can target those patients who are more likely to suffer during the diagnostic process and aim to improve their experience. We can also implement targeted changes to the pathway to reduce the impact it may have on patients’ mental health.
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Affiliation(s)
- G Ellis
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, UK
| | - S Pridgeon
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, UK
| | - BW Lamb
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, UK
| | - NS Awsare
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, UK
| | - S Osaghae
- Department of Urology, East and North Herts NHS Trust, UK
| | - SG Smith
- Department of Psychology, University College London, UK
| | - TA McNicholas
- Department of Urology, East and North Herts NHS Trust, UK
| | - JSA Green
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, UK
- Department of Health and Social Care, London South Bank University, UK
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Yue HB, Fernandez-Blazquez JP, Shuttleworth PS, Cui YD, Ellis G. Thermomechanical relaxation and different water states in cottonseed protein derived bioplastics. RSC Adv 2014. [DOI: 10.1039/c4ra01794c] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Patlewicz G, Kuseva C, Mehmed A, Popova Y, Dimitrova G, Ellis G, Hunziker R, Kern P, Low L, Ringeissen S, Roberts DW, Mekenyan O. TIMES-SS--recent refinements resulting from an industrial skin sensitisation consortium. SAR QSAR Environ Res 2014; 25:367-391. [PMID: 24785905 DOI: 10.1080/1062936x.2014.900520] [Citation(s) in RCA: 25] [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] [Indexed: 06/03/2023]
Abstract
The TImes MEtabolism Simulator platform for predicting Skin Sensitisation (TIMES-SS) is a hybrid expert system, first developed at Bourgas University using funding and data from a consortium of industry and regulators. TIMES-SS encodes structure-toxicity and structure-skin metabolism relationships through a number of transformations, some of which are underpinned by mechanistic 3D QSARs. The model estimates semi-quantitative skin sensitisation potency classes and has been developed with the aim of minimising animal testing, and also to be scientifically valid in accordance with the OECD principles for (Q)SAR validation. In 2007 an external validation exercise was undertaken to fully address these principles. In 2010, a new industry consortium was established to coordinate research efforts in three specific areas: refinement of abiotic reactions in the skin (namely autoxidation) in the skin, refinement of the manner in which chemical reactivity was captured in terms of structure-toxicity rules (inclusion of alert reliability parameters) and defining the domain based on the underlying experimental data (study of discrepancies between local lymph node assay Local Lymph Node Assay (LLNA) and Guinea Pig Maximisation Test (GPMT)). The present paper summarises the progress of these activities and explains how the insights derived have been translated into refinements, resulting in increased confidence and transparency in the robustness of the TIMES-SS predictions.
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Affiliation(s)
- G Patlewicz
- a DuPont Haskell Global Centers for Health and Environmental Sciences , Newark DE , USA
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Hill E, Whitehead M, MacInnes B, Ellis G, Talbot A, Brodie F, Hughes N, Beggs S, Barber M. The first 100 thrombolysis cases in a novel Scottish mesh telestroke system. Scott Med J 2013; 58:213-6. [DOI: 10.1177/0036933013507868] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Stroke thrombolysis has been a major driver for change within stroke services. However, until recently its widespread application has been limited to tertiary centres. Transfer to tertiary care can lead to significant delays in thrombolysis. We developed a novel mesh telestroke network, which allows stroke specialists to make videoconference-based thrombolysis decisions either from one of three stroke units or from home. We report data on the first 100 patients treated using this model and retrospectively review the first 100 strokes thrombolysed with tissue plasminogen activator across three stroke units. Prospectively collected data were extracted from the Stroke Audit In Lanarkshire database. Case notes were retrieved for clarification when necessary. Outcome measures were timings from symptom onset to infusion, post-thrombolysis symptomatic intracerebral haemorrhage and death. Fifty-one percent of cases were assessed by telestroke link. Median symptom onset to thrombolysis was 160 min (IQR 125–190). There were two symptomatic intracerebral haemorrhages, both in patients assessed face-to-face. Overall mortality was 14%. Our experience of tissue plasminogen activator is comparable to UK data extracted from SITS-MOST in overall timings and complication rates. This model of telemedicine could be replicated to provide safe thrombolysis to areas with challenging infrastructure, geography or insufficient stroke specialist cover.
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Affiliation(s)
- E Hill
- Specialty Trainee in Geriatric Medicine, West of Scotland Rotation, UK
| | - M Whitehead
- Consultant Geriatrician, NHS Lanarkshire, UK
| | - B MacInnes
- Consultant Geriatrician, NHS Lanarkshire, UK
| | - G Ellis
- Consultant Geriatrician, NHS Lanarkshire, UK
| | - A Talbot
- Consultant Geriatrician, NHS Lanarkshire, UK
| | - F Brodie
- Consultant Geriatrician, NHS Lanarkshire, UK
| | - N Hughes
- Consultant Geriatrician, NHS Glasgow and Clyde, UK
| | - S Beggs
- Core Medical Trainee, West of Scotland Rotation, UK
| | - M Barber
- Consultant Geriatrician, NHS Lanarkshire, UK
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Abdullah A, Omar AN, Mulcahy R, Clapp A, Tullo E, Carrick-Sen D, Newton J, Hirst B, Krishnaswami V, Foster A, Vahidassr D, Chavan T, Matthew A, Trolan CP, Steel C, Ellis G, Ahearn DJ, Lotha K, Shukla P, Bourne DR, Mathur A, Musarrat K, Patel A, Nicholson G, Nelson E, McNicholl S, McKee H, Cuthbertson J, Nelson E, Nicholson G, McNicholl S, McKee H, Cuthbertson J, Lunt E, Lee S, Okeke J, Daniel J, Naseem A, Ramakrishna S, Singh I, Barker JR, Weatherburn AJ, Thornton L, Daniel J, Okeke J, Holly C, Jones J, Varanasi A, Verma A, Singh I, Foster JAH, Carmichael C, Cawston C, Homewood S, Leitch M, Martin J, McDicken J, Lonnen J, Bishop-Miller J, Beishon LC, Harrison JK, Conroy SP, Gladman JRF, Sim J, Byrne F, Currie J, Ollman S, Brown S, Wilkinson M, Manoj A, Hussain F, Druhan A, Thompson M, Tsang J, Soh J, Offiah C, Coughlan T, O'Brien P, McCabe DJH, Murphy S, McManus J, O'Neill D, Collins DR, Warburton K, Maini N, Cunnington AL, Mathew P, Hoyles K, Lythgoe M, Brewer H, Western-Price J, Colquhoun K, Ramdoo K, Bowen J, Dale OT, Corbridge R, Chatterjee A, Gosney MA, Richardson L, Daunt L, Ali A, Harwood R, Beveridge LA, Harper J, Williamson LD, Bowen JST, Gosney MA, Wentworth L, Wardle K, Ruddlesdin J, Baht S, Roberts N, Corrado O, Morell J, Baker P, Whiller N, Wilkinson I, Barber M, Maclean A, Frieslick J, Reoch A, Thompson M, Tsang J, McSorley A, Crawford A, Sarup S, Niruban A, Edwards JD, Bailey SJ, May HM, Mathieson P, Jones H, Ray R, Prettyman R, Gibson R, Heaney A, Hull K, Manku B, Bellary S, Ninan S, Chhokar G, Sweeney D, Nivatongs W, Wong SY, Aung T, Kalsi T, Babic-Illman G, Harari D, Aljaizani M, Pattison AT, Pattison AT, Aljaizani M, Fox J, Reilly S, Chauhan V, Azad M, Youde J, Lagan J, Cooper H, Komrower D, Price V, von Stempel CB, Gilbert B, Bouwmeester N, Jones HW, Win T, Weekes C, Hodgkinson R, Walker S, Le Ball K, Muir ZN. Clinical effectiveness. Age Ageing 2013. [DOI: 10.1093/ageing/aft096] [Citation(s) in RCA: 2] [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: 11/14/2022] Open
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Das A, Ellis G, Pallant C, Lopes AR, Khanna P, Peppa D, Chen A, Blair P, Dusheiko G, Gill U, Kennedy PT, Brunetto M, Lampertico P, Mauri C, Maini MK. IL-10-producing regulatory B cells in the pathogenesis of chronic hepatitis B virus infection. J Immunol 2012; 189:3925-35. [PMID: 22972930 PMCID: PMC3480715 DOI: 10.4049/jimmunol.1103139] [Citation(s) in RCA: 257] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A regulatory subset of B cells has been found to modulate immune responses in autoimmunity, infection, and cancer, but it has not been investigated in the setting of human persistent viral infection. IL-10 is elevated in patients with chronic hepatitis B virus infection (CHB), but its cellular sources and impact on antiviral T cells have not been addressed. We investigated the role of IL-10 and regulatory B cells in the pathogenesis of CHB. Serum IL-10 levels were studied longitudinally in patients with CHB undergoing spontaneous disease flares. There was a close temporal correlation between IL-10 levels and fluctuations in viral load or liver inflammation. Blockade of IL-10 in vitro rescued polyfunctional virus-specific CD8 T cell responses. To investigate the potential contribution of regulatory B cells, their frequency was measured directly ex vivo and after exposure to stimuli relevant to hepatitis B virus (HBV) (CpG or HBV Ags). IL-10-producing B cells were enriched in patients, and their frequency correlated temporally with hepatic flares, both after stimulation and directly ex vivo. Phenotypically, these cells were predominantly immature (CD19(+)CD24(hi)CD38(hi)) ex vivo; sorted CD19(+)CD24(hi)CD38(hi) cells suppressed HBV-specific CD8 T cell responses in an IL-10-dependent manner. In summary, these data reveal a novel IL-10-producing subset of B cells able to regulate T cell immunity in CHB.
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Affiliation(s)
- Abhishek Das
- Division of Infection and Immunity, University College London, London WC1E 6JF, United Kingdom
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Abstract
Older people represent the fastest growing sector of society and a growing proportion of those undergoing elective surgery. Older people are at the highest risk of increased length of stay and postoperative complications. We evaluated the development of a nurse-led multidimensional preoperative assessment for older people. An older people's preassessment nurse reviewed consecutive patients undergoing elective surgery who met the inclusion criteria. In the first five months control phase, assessment was not acted on. Following the intervention, patients were referred to appropriate specialties for input. A total of 141 patients were reviewed before and 172 patients reviewed after the introduction of the pilot. Length of stay was reduced from 8.9 to 4.9 days after the introduction of the pilot ( P < 0.001). Delays were reduced from 9.9% to 2.3% ( P = 0.004) and fewer procedures were cancelled at pre-assessment (17.7% before, 5.2% after; P < 0.001). Serious postoperative complications were reduced from 8.5% to 2.3% ( P = 0.01). Coordinated multidisciplinary preoperative assessment in the elderly may reduce complications and length of stay.
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Affiliation(s)
- G Ellis
- Monklands Hospital, Airdrie, Scotland, UK
| | - M Spiers
- Monklands Hospital, Airdrie, Scotland, UK
| | - S Coutts
- Edinburgh Royal Infirmary, Edinburgh, Scotland, UK
| | - P Fairburn
- Monklands Hospital, Airdrie, Scotland, UK
| | - L Mccracken
- Victoria Infirmary, Mansionhouse Unit, Glasgow, Scotland, UK
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Affiliation(s)
- V Asopa
- Whittington Hospital NHS Trust, UK.
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Ellis G, Pridgeon S, Graham S. A technique for optimal manipulation of rotation of the flexible ureterorenoscope. Ann R Coll Surg Engl 2012. [PMID: 22943244 PMCID: PMC3954390 DOI: 10.1308/003588412x13373405385214j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- G Ellis
- Whipps Cross University Hospital NHS Trust, UK
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Steel C, Ellis G. Age specialist services emergency team (ASSET): Initial results of a new clinical service. Eur Geriatr Med 2012. [DOI: 10.1016/j.eurger.2012.07.259] [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: 11/26/2022]
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Ellis G, Pridgeon S, Graham S. A technique for optimal manipulation of rotation of the flexible ureterorenoscope. Ann R Coll Surg Engl 2012; 94:365-6. [DOI: 10.1308/rcsann.2012.94.5.365a] [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: 11/22/2022] Open
Affiliation(s)
| | | | - S Graham
- Whipps Cross University Hospital NHS TrustUK
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Draper N, Dickson T, Fryer S, Blackwell G, Winter D, Scarrott C, Ellis G. Plasma Cortisol Concentrations and Perceived Anxiety in Response to On-Sight Rock Climbing. Int J Sports Med 2011; 33:13-7. [DOI: 10.1055/s-0031-1284348] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [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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Schneider S, Richardson T, Triner W, Roback N, Ellis G, Bienkowski R, Moscati R, Wojak S, Grant W, Crane P. 175 Use of Non-Veteran Administration Medical Emergency Departments by Military Veterans. Ann Emerg Med 2011. [DOI: 10.1016/j.annemergmed.2011.06.203] [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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Draper N, Dickson T, Blackwell G, Priestley S, Fryer S, Marshall H, Shearman J, Hamlin M, Winter D, Ellis G. Sport-specific power assessment for rock climbing. J Sports Med Phys Fitness 2011; 51:417-425. [PMID: 21904280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
AIM The popularity of rock climbing has resulted in a growing research base for the sport. However, at present there is a lack of sport-specific measures of performance in the field. The aim of this study was to examine the use of the powerslap test as a sport specific power measure. METHODS The participants in this study were categorised into four different ability groups (novice, intermediate, advanced and elite) based on self reported lead grade. Two separate experiments were conducted to determine validity and reliability. The powerslap test was conducted on a revolution board with two variations - wide and narrow grip, for both sides of the body. The test started with the climber hanging at full extension from two holds from which a pull up movement was made releasing one hand to slap a scaled score board above. RESULTS There was a significant relationship between powerslap scores and climbing ability (Left Wide: r=0.7, P<0.0005; right wide: r=0.69, P<0.0005; left narrow: r=0.73, P<0.0005; right narrow: r =0.72, P<0.0005). Further to this, scores on the powerslap narrow test were significantly differentiated by climber ability (LEFT: F(3,37)=15.74, P<0.0005; right: F(3,37)=12.16, P<0.0005). Limits of agreement and intra-class correlation indicated that the powerslap test is a reliable performance measure. CONCLUSION According to the present findings the narrow grip variation of the powerslap test is a useful sport-specific power test that is related to climbing performance.
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Affiliation(s)
- N Draper
- School of Sciences and Physical Education, University of Canterbury, Christchurch, Canterbury, New Zealand.
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Affiliation(s)
- T J Quinn
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, UK.
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Díez J, Barral L, Bellas R, Bouza R, López J, Marco C, Ellis G. Microstructure, morphology, and mechanical properties of styrene-butadiene rubber/organoclay nanocomposites. POLYM ENG SCI 2011. [DOI: 10.1002/pen.21950] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Abstract
Comparisons of capillary blood lactate concentrations pre and post climb have featured in the protocols of many rock climbing studies, with most researchers obtaining samples from the fingertip. The nature of rock climbing, however, places a comparatively high physiological loading on the foreaand fingertips. Indeed, the fingertips are continually required for gripping and this makes pre-climb sampling at this site problematic. The purpose of our study was to examine differences in capillary blood lactate concentrations from samples taken at the fingertip and first (big) toe in a rock climbing context. 10 participants (9 males and 1 female) completed climbing bouts at 3 different angles (91°, 100° and 110°). Capillary blood samples were taken simultaneously from the fingertip and first toe pre and post climb. A limit of agreement plot revealed all data points to be well within the upper and lower bounds of the 95% population confidence interval. Subsequent regression analysis revealed a strong relationship (R (2)=0.94, y=0.940x + 0.208) between fingertip and first toe capillary blood lactate concentrations. Findings from our study suggest that the toe offers a valid alternative site for capillary blood lactate concentration analysis in a rock climbing context.
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Affiliation(s)
- S Fryer
- School of Sciences and Physical Education, University of Canterbury, Christchurch, New Zealand
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Jones C, Badger S, Ellis G. The role of microwave ablation in the management of hepatic colorectal metastases. Surgeon 2011; 9:33-7. [DOI: 10.1016/j.surge.2010.07.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2010] [Revised: 07/16/2010] [Accepted: 07/20/2010] [Indexed: 12/22/2022]
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