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Shamsi S, Banfield A, Francis N, Barton DP, McLellan M. Characterisation of Nematoda and Digenea in selected Australian freshwater snails. J Invertebr Pathol 2024; 204:108116. [PMID: 38679367 DOI: 10.1016/j.jip.2024.108116] [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: 11/04/2023] [Revised: 04/17/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
Freshwater snails are integral to local ecosystems as a primary food source for various vertebrate species, thereby contributing significantly to ecological food webs. However, their role as intermediate hosts also makes them pivotal in the transmission of parasites. In Australia, research on freshwater snails has predominantly focused on their role as intermediate hosts for livestock parasites, while there has been limited exploration of the impact of these parasites on snail health and population dynamics. The aim of this study was to determine parasitic infection in freshwater snails. This study was conducted in the south-eastern region of Australia, in 2022. A total of 163 freshwater snails from four different species were collected and examined in the Murrumbidgee catchment area in the southeastern part of Australia during the Southern Hemisphere summer and autumn months (February to May). The species included Isidorella hainesii, Glyptophysa novaehollandica, Bullastra lessoni (endemic species), and Physella acuta (an introduced species). Through the analysis of sequence data from the various regions of the nuclear ribosomal DNA, we determined that the Digenea species in this study belonged to three distinct species, including Choanocotyle hobbsi, Petasiger sp. and an unidentified species belonging to Plagiorchioidea. Additionally, analysis of the sequences from Nematoda found in this study, revealed they could be categorized into two separate taxa, including Krefftascaris sp. and an unidentified nematode closely associated with plant and soil nematodes. This research holds significant implications for the future understanding and conservation of Australian freshwater ecosystems. Most parasites found in the present study complete their life cycle in snails and turtles. As many of freshwater snail and turtle species in Australia are endemic and face population threats, exploring the potential adverse impacts of parasitic infections on snail and turtle health, is crucial for advancing our understanding of these ecosystems and also paving the way for future research and conservation efforts. While none of the native snail species in the present study have been listed as endangered or threatened, this may simply be attributed to the absence of regular population surveys.
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Affiliation(s)
- Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Wagga Wagga, 2678, Australia.
| | - Alice Banfield
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Wagga Wagga, 2678, Australia; Department of Agriculture and Fisheries, Queensland, Australia
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Wagga Wagga, 2678, Australia
| | - Diane P Barton
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Wagga Wagga, 2678, Australia
| | - Matthew McLellan
- Fisheries and Aquaculture Management, NSW Department of Primary Industries, Narrandera Fisheries Centre, Narrandera, NSW, 2700, Australia
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2
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Ed Nignpense B, Francis N, Blanchard C, Santhakumar AB. Effect of gastrointestinal digestion on the stability, antioxidant activity, and Caco-2 cellular transport of pigmented grain polyphenols. J Food Sci 2024. [PMID: 38465705 DOI: 10.1111/1750-3841.17009] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/03/2024] [Accepted: 02/14/2024] [Indexed: 03/12/2024]
Abstract
Grain polyphenols are known to possess several health properties. However, their digestive stability and intestinal absorption have not been fully elucidated. This study investigated the fate of pigmented grain polyphenols in the digestive system. Purple rice, purple barley, purple wheat, and blue wheat extracts were subjected to simulated gastric and intestinal phase digestion, followed by Caco-2 cellular transport. Phenolic profiling and antioxidant activity were determined using benchtop assays and an ultra-high-performance liquid chromatography-2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid free radical) (UHPLC-ABTS•+ ) system. The results demonstrated a decrease in the total phenolic content of extracts after digestion, with purple rice extract retaining the highest phenolic content (79%) and ABTS•+ antioxidant activity (31%). Antioxidant activity was retained the most during the gastric phase; however, dominant antioxidant compounds were not detected after intestinal digestion. Significant variations in phenolic composition and radical scavenging activity were detected after digestion. Protocatechuic acid, vanillic acid, apigenin, and chrysoeriol were all transported across the intestinal barrier. The findings of this study provide novel insights into the in vitro stability and antioxidant activity of cereal grain polyphenols after simulated digestion.
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Affiliation(s)
- Borkwei Ed Nignpense
- School of Dentistry and Medical Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Nidhish Francis
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, Australia
- School of Agricultural, Environment and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Christopher Blanchard
- School of Dentistry and Medical Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Abishek Bommannan Santhakumar
- School of Dentistry and Medical Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, Australia
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3
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Boal M, Di Girasole CG, Tesfai F, Morrison TEM, Higgs S, Ahmad J, Arezzo A, Francis N. Evaluation status of current and emerging minimally invasive robotic surgical platforms. Surg Endosc 2024; 38:554-585. [PMID: 38123746 PMCID: PMC10830826 DOI: 10.1007/s00464-023-10554-4] [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: 06/29/2023] [Accepted: 10/20/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The rapid adoption of robotics within minimally invasive surgical specialties has also seen an explosion of new technology including multi- and single port, natural orifice transluminal endoscopic surgery (NOTES), endoluminal and "on-demand" platforms. This review aims to evaluate the validation status of current and emerging MIS robotic platforms, using the IDEAL Framework. METHODS A scoping review exploring robotic minimally invasive surgical devices, technology and systems in use or being developed was performed, including general surgery, gynaecology, urology and cardiothoracics. Systems operating purely outside the abdomen or thorax and endoluminal or natural orifice platforms were excluded. PubMed, Google Scholar, journal reports and information from the public domain were collected. Each company was approached via email for a virtual interview to discover more about the systems and to quality check data. The IDEAL Framework is an internationally accepted tool to evaluate novel surgical technology, consisting of four stages: idea, development/exploration, assessment, and surveillance. An IDEAL stage, synonymous with validation status in this review, was assigned by reviewing the published literature. RESULTS 21 companies with 23 different robotic platforms were identified for data collection, 13 with national and/or international regulatory approval. Of the 17 multiport systems, 1 is fully evaluated at stage 4, 2 are stage 3, 6 stage 2b, 2 at stage 2a, 2 stage 1, and 4 at the pre-IDEAL stage 0. Of the 6 single-port systems none have been fully evaluated with 1 at stage 3, 3 at stage 1 and 2 at stage 0. CONCLUSIONS The majority of existing robotic platforms are currently at the preclinical to developmental and exploratory stage of evaluation. Using the IDEAL framework will ensure that emerging robotic platforms are fully evaluated with long-term data, to inform the surgical workforce and ensure patient safety.
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Affiliation(s)
- M Boal
- The Griffin Institute, Northwick Park and St Marks Hospital, London, UK
- Wellcome/EPSRC Centre for Intervention and Surgical Sciences, University College London, London, UK
- Association of Laparoscopic Surgeons of Great Britain and Ireland (ALSGBI) Academy, London, UK
| | | | - F Tesfai
- The Griffin Institute, Northwick Park and St Marks Hospital, London, UK
- Wellcome/EPSRC Centre for Intervention and Surgical Sciences, University College London, London, UK
- Association of Laparoscopic Surgeons of Great Britain and Ireland (ALSGBI) Academy, London, UK
| | - T E M Morrison
- Association of Laparoscopic Surgeons of Great Britain and Ireland (ALSGBI) Academy, London, UK
| | - S Higgs
- Gloucestershire Hospitals NHS Foundation Trust, Gloucester, UK
| | - J Ahmad
- University Hospitals Coventry and Warwickshire, Coventry, UK
| | - A Arezzo
- Department of Surgical Sciences, University of Turin, Turin, Italy
| | - N Francis
- The Griffin Institute, Northwick Park and St Marks Hospital, London, UK.
- Yeovil District Hospital, Somerset NHS Foundation Trust, Yeovil, UK.
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Shamsi S, Nelson L, Gordon A, Markham K, Francis N, Suthar J, Zhu X. Multidisciplinary approach to the diagnosis of Contracaecum magnipapillatum infections in Australian black noddies, Anous minutus (Charadriiformes: Laridae). Parasitol Res 2024; 123:90. [PMID: 38195805 PMCID: PMC10776730 DOI: 10.1007/s00436-023-08050-8] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/03/2023] [Indexed: 01/11/2024]
Abstract
We provide the incidental necropsy findings associated with anisakid nematode infections of black noddy terns, Anous minutus Boie, 1844 (Charadriiformes: Laridae), from offshore islands in the southern Great Barrier Reef, Queensland, Australia. Specimens collected from the proventriculi were identified morphologically as Contracaecum magnipapillatum Chapin, 1925 (Rhabditida: Anisakidae), using light and scanning electron microscopy (SEM). The entire nuclear ribosomal DNA internal transcribed spacer (ITS) region (ITS1-5.8S-ITS2) was amplified by polymerase chain reaction (PCR) and sequenced to provide reference sequences for morphologically well-identified voucher specimens. Interestingly, after an alignment with closely related taxa using BLAST, sequences of the ITS1 and ITS2 were 100% identical to the sequences assigned to Contracaecum septentrionale Kreis, 1955, from a razorbill, Alca torda Linnaeus, 1758 (Charadriiformes: Alcidae), from Spain. These results either raise questions about the ITS as a genetic marker for some members of Contracaecum, or the identity of the specimens assigned to C. septentrionale, given that no supporting morphological data was associated with them. We highlight the need for a combined morphological and molecular approach to parasite diagnostics and the use of multiple genetic loci to resolve the molecular taxonomy of cryptic species. Morphological identifications should be taxonomically robust, transparent and precede the deposition of molecular barcodes in public repositories. The gross and histopathological findings of our investigation concur with previous reports of widespread Contracaecum infections in black noddies and support the contention that Contracaecum spp. are an unlikely primary cause of mortality.
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Affiliation(s)
- Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia.
| | - Leanne Nelson
- Biosecurity Sciences Laboratory, Queensland Department of Agriculture and Fisheries, Archerfield BC QLD, PO Box 156, Brisbane, 4108, Australia.
| | - Anita Gordon
- Biosecurity Sciences Laboratory, Queensland Department of Agriculture and Fisheries, Archerfield BC QLD, PO Box 156, Brisbane, 4108, Australia
| | - Kathryn Markham
- Biosecurity Sciences Laboratory, Queensland Department of Agriculture and Fisheries, Archerfield BC QLD, PO Box 156, Brisbane, 4108, Australia
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia
| | - Jaydipbhai Suthar
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia
| | - Xiaocheng Zhu
- School of Agricultural, Environmental and Veterinary Sciences, Gulbali Institute, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia
- NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, NSW, 2650, Australia
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Shamsi S, Banfield A, Francis N, Barton DP, McLellan M. Occurrence of digenean parasites in freshwater snails in the Murrumbidgee catchment area, Australia. Food Waterborne Parasitol 2023; 32:e00202. [PMID: 37719030 PMCID: PMC10504687 DOI: 10.1016/j.fawpar.2023.e00202] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 12/27/2022] [Revised: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 09/19/2023] Open
Abstract
Freshwater snails are important hosts in the life cycles of many medically important parasites, particularly for digenetic trematodes such as liver flukes and schistosomes. The current study was conducted to determine the infection of freshwater snails with parasites that can potentially be transmitted to humans within the Murrumbidgee catchment area which is an area of widespread intensive aquaculture in Australia. A total of 116 freshwater snails, belonging to three species (Isidorella hainesii, Glyptophysa novaehollandica and Bullastra lessoni), were examined for the presence of parasites in both man-made and natural environments. The analysis of sequence data, including the internal transcribed spacers (ITS) of nuclear ribosomal DNA, small subunit (18S) ribosomal DNA, and large subunit (28S) ribosomal DNA, indicated that the collected parasites belonged to two distinct genera, namely Clinostomum and Echinostoma. It is noteworthy that species of both of these digenean parasites have the potential to be zoonotic. Cercariae of both Clinostomum and Echinostoma were observed in snails collected from aquaculture settings. It is important to highlight that infectious stages of Clinostomum has been previously detected in edible fish within Australia. This information raises concerns regarding the potential transmission of these parasites to humans through the consumption of contaminated fish. These findings emphasize the importance of monitoring and controlling the presence of Clinostomum and Echinostoma in aquaculture environments to minimise the risk of zoonotic infections and ensure food safety. Further research and surveillance are needed to better understand the prevalence, transmission dynamics, and potential public health implications associated with these parasites in the context of aquaculture in Australia.
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Affiliation(s)
- Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, and Gulbali Institute, Charles Sturt University, Wagga Wagga 2678, Australia
| | - Alice Banfield
- School of Agricultural, Environmental and Veterinary Sciences, and Gulbali Institute, Charles Sturt University, Wagga Wagga 2678, Australia
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, and Gulbali Institute, Charles Sturt University, Wagga Wagga 2678, Australia
| | - Diane P. Barton
- School of Agricultural, Environmental and Veterinary Sciences, and Gulbali Institute, Charles Sturt University, Wagga Wagga 2678, Australia
| | - Matthew McLellan
- Fisheries and Aquaculture Management, NSW Department of Primary Industries, Narrandera Fisheries Centre, Narrandera, NSW 2700, Australia
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Porter M, Barton DP, Francis N, Shamsi S. Description of two new species of Diplectanum Diesing, 1858 (Monogenea: Diplectanidae) collected from Protonibea diacanthus (Lacepède, 1802) (Teleostei: Sciaenidae) from waters off northern Australia. Int J Parasitol Parasites Wildl 2023; 21:99-109. [PMID: 37188004 PMCID: PMC10176033 DOI: 10.1016/j.ijppaw.2023.04.004] [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: 03/09/2023] [Revised: 04/04/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023]
Abstract
Two new species of the family Diplectanidae Monticelli, 1903 from the gills of Protonibea diacanthus (Lacepède, 1802) (Teleostei: Sciaenidae) off the northern Australian coast are described. Previous studies have either morphological or genetic results, whereas this study combines morphological and advanced molecular methods to provide the first detailed descriptions for species of Diplectanum Diesing, 1858 from Australia utilising both methodologies. Two new species, Diplectanum timorcanthus n. sp. and Diplectanum diacanthi n. sp., are morphologically described and genetically characterised using the partial nuclear 28S ribosomal RNA gene (28S rRNA) and the internal transcribed spacer 1 (ITS1) partial sequence.
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Affiliation(s)
- Megan Porter
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
- Corresponding author. School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia.
| | - Diane P. Barton
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
| | - Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, 2678, Australia
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Francis N, Sanaei R, Ayodele BA, O'Brien‐Simpson NM, Fairlie DP, Wijeyewickrema LC, Pike RN, Mackie EJ, Pagel CN. Effect of a protease‐activated receptor‐2 antagonist (
GB88
) on inflammation‐related loss of alveolar bone in periodontal disease. J Periodontal Res 2023; 58:544-552. [PMID: 37002616 DOI: 10.1111/jre.13120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 03/08/2023] [Accepted: 03/17/2023] [Indexed: 04/04/2023]
Abstract
BACKGROUND AND OBJECTIVE Protease-activated receptor-2 (PAR2 ), a pro-inflammatory G-protein coupled receptor, has been associated with pathogenesis of periodontitis and the resulting bone loss caused by oral pathogens, including the keystone pathogen Porphyromonas gingivalis (P. gingivalis). We hypothesised that administration of a PAR2 antagonist, GB88, might prevent inflammation and subsequent alveolar bone resorption in a mouse model of periodontal disease. METHODS Periodontitis was induced in mice by oral inoculations with P. gingivalis for a total of eight times over 24 days. The infected mice were treated with either GB88 or vehicle for the duration of the trial. Following euthanasia on day 56, serum was collected and used for the detection of mast cell tryptase. The right maxillae were defleshed and stained with methylene blue to measure the exposed cementum in molar teeth. The left maxillae were prepared for cryosections followed by staining for tartrate-resistant acid phosphatase to identify osteoclasts or with toluidine blue to identify mast cells. Reverse transcription quantitative PCR (RT-qPCR) was used to quantify the expression of inflammatory cytokines in the gingival tissue. Supernatants of T-lymphocyte cultures isolated from the regional lymph nodes were assayed using a cytometric bead array to measure the Th1/Th2/Th17 cytokine levels. RESULTS Measurement of the exposed cementum showed that GB88 reduced P. gingivalis-induced alveolar bone loss by up to 69%. GB88 also prevented the increase in osteoclast numbers observed in the infected mice. Serum tryptase levels were significantly elevated in both the infected groups, and not altered by treatment. RT-qPCR showed that GB88 prevented the upregulation of Il1b, Il6, Ifng and Cd11b. In T-lymphocyte supernatants, only IFNγ and IL-17A levels were increased in response to infection, but this was prevented by GB88 treatment. CONCLUSIONS GB88 significantly reduced osteoclastic alveolar bone loss in mice infected with P. gingivalis, seemingly by preventing the upregulation of several inflammatory cytokines. PAR2 antagonism may be an effective treatment strategy for periodontal disease.
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Affiliation(s)
- Nidhish Francis
- Department of Veterinary Biosciences, Melbourne Veterinary School The University of Melbourne Parkville Victoria Australia
| | - Reza Sanaei
- Department of Veterinary Biosciences, Melbourne Veterinary School The University of Melbourne Parkville Victoria Australia
| | - Babatunde A. Ayodele
- Department of Veterinary Biosciences, Melbourne Veterinary School The University of Melbourne Parkville Victoria Australia
| | - Neil M. O'Brien‐Simpson
- Melbourne Dental School and The Bio21 Institute of Molecular Science and Biotechnology The University of Melbourne Parkville Victoria Australia
| | - David P. Fairlie
- ARC Centre of Excellence for Innovations in Peptide and Protein Science, Institute for Molecular Bioscience The University of Queensland Brisbane Queensland 4072 Australia
| | - Lakshmi C. Wijeyewickrema
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University Melbourne Victoria Australia
| | - Robert N. Pike
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University Melbourne Victoria Australia
| | - Eleanor Jean Mackie
- Department of Veterinary Biosciences, Melbourne Veterinary School The University of Melbourne Parkville Victoria Australia
| | - Charles Neil Pagel
- Department of Veterinary Biosciences, Melbourne Veterinary School The University of Melbourne Parkville Victoria Australia
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8
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Cassinotti E, Al-Taher M, Antoniou SA, Arezzo A, Baldari L, Boni L, Bonino MA, Bouvy ND, Brodie R, Carus T, Chand M, Diana M, Eussen MMM, Francis N, Guida A, Gontero P, Haney CM, Jansen M, Mintz Y, Morales-Conde S, Muller-Stich BP, Nakajima K, Nickel F, Oderda M, Parise P, Rosati R, Schijven MP, Silecchia G, Soares AS, Urakawa S, Vettoretto N. European Association for Endoscopic Surgery (EAES) consensus on Indocyanine Green (ICG) fluorescence-guided surgery. Surg Endosc 2023; 37:1629-1648. [PMID: 36781468 PMCID: PMC10017637 DOI: 10.1007/s00464-023-09928-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 01/28/2023] [Indexed: 02/15/2023]
Abstract
BACKGROUND In recent years, the use of Indocyanine Green (ICG) fluorescence-guided surgery during open and laparoscopic procedures has exponentially expanded across various clinical settings. The European Association of Endoscopic Surgery (EAES) initiated a consensus development conference on this topic with the aim of creating evidence-based statements and recommendations for the surgical community. METHODS An expert panel of surgeons has been selected and invited to participate to this project. Systematic reviews of the PubMed, Embase and Cochrane libraries were performed to identify evidence on potential benefits of ICG fluorescence-guided surgery on clinical practice and patient outcomes. Statements and recommendations were prepared and unanimously agreed by the panel; they were then submitted to all EAES members through a two-rounds online survey and results presented at the EAES annual congress, Barcelona, November 2021. RESULTS A total of 18,273 abstracts were screened with 117 articles included. 22 statements and 16 recommendations were generated and approved. In some areas, such as the use of ICG fluorescence-guided surgery during laparoscopic cholecystectomy, the perfusion assessment in colorectal surgery and the search for the sentinel lymph nodes in gynaecological malignancies, the large number of evidences in literature has allowed us to strongly recommend the use of ICG for a better anatomical definition and a reduction in post-operative complications. CONCLUSIONS Overall, from the systematic literature review performed by the experts panel and the survey extended to all EAES members, ICG fluorescence-guided surgery could be considered a safe and effective technology. Future robust clinical research is required to specifically validate multiple organ-specific applications and the potential benefits of this technique on clinical outcomes.
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Affiliation(s)
- E Cassinotti
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy.
| | - M Al-Taher
- Research Institute Against Digestive Cancer (IRCAD), Strasbourg, France
| | - S A Antoniou
- Department of Surgery, Papageorgiou General Hospital, Thessaloniki, Greece
| | - A Arezzo
- Department of Surgical Sciences, University of Torino, Turin, Italy
| | - L Baldari
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy
| | - L Boni
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy
| | - M A Bonino
- Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
| | - N D Bouvy
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - R Brodie
- Department of General Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - T Carus
- Niels-Stensen-Kliniken, Elisabeth-Hospital, Thuine, Germany
| | - M Chand
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, UK
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - M Diana
- IHU Strasbourg, Institute of Image-Guided Surgery and IRCAD, Research Institute Against Cancer of the Digestive System, Strasbourg, France
| | - M M M Eussen
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - N Francis
- Department of General Surgery, Yeovil District Hospital NHS Foundation Trust, Yeovil, UK
| | - A Guida
- Department of Medico-Surgical Sciences and Translation Medicine, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
| | - P Gontero
- Division of Urology, Department of Surgical Science, AOU Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - C M Haney
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - M Jansen
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Y Mintz
- Department of General Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - S Morales-Conde
- Unit of Innovation in Minimally Invasive Surgery, Department of General Surgery, University Hospital Virgen del Rocío, University of Sevilla, Seville, Spain
| | - B P Muller-Stich
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - K Nakajima
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - F Nickel
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - M Oderda
- Division of Urology, Department of Surgical Science, AOU Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - P Parise
- U.O.C. Chirurgia Generale, Policlinico di Abano Terme, Abano Terme, PD, Italy
| | - R Rosati
- Department of Gastrointestinal Surgery, San Raffaele Hospital, Milan, Italy
| | - M P Schijven
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, North Holland, The Netherlands
- Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, Amsterdam, North Holland, The Netherlands
- Amsterdam Public Health, Digital Health, Amsterdam UMC, Amsterdam, North Holland, The Netherlands
| | - G Silecchia
- Department of Medico-Surgical Sciences and Translation Medicine, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
| | - A S Soares
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, UK
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - S Urakawa
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - N Vettoretto
- U.O.C. Chirurgia Generale, ASST Spedali Civili di Brescia P.O. Montichiari, Ospedale di Montichiari, Montichiari, Italy
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Shamsi S, Francis N, Masiga J, Barton DP, Zhu X, Pearce L, McLellan M. Occurrence and characterisation of Eustrongylides species in Australian native birds and fish. Food Waterborne Parasitol 2023; 30:e00189. [PMID: 36874397 PMCID: PMC9975212 DOI: 10.1016/j.fawpar.2023.e00189] [Citation(s) in RCA: 1] [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: 06/09/2022] [Revised: 01/22/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
In Australia, nematodes belonging to the genus Eustrongylides were believed to be endemic species until the late 20th century when they were all considered to be E. excisus, invalid or inquirendae. Although these nematodes have frequently been reported in Australian fish, reptiles, and birds and cause disease or mortality among them, there has been no attempt to date to characterise them genetically. Globally, also, no one has validated or defined suitable genetic markers to distinguish between species of Eustrongylides. In this study, adult Eustrongylides from little black cormorant (Phalacrocorax sulcirostris; n = 3) and larvae from mountain galaxias (Galaxias olidus, n = 2) and a Murray cod (Maccullochella peelii, n = 1), and a Murray cod-trout cod hybrids (Maccullochella peelii x Maccullochella macquariensis, n = 1) were available for morphological examination and molecular characterisation. The adult nematodes from cormorants were identified as E. excisus. Sequences of the 18S and ITS regions were then obtained for all nematodes, which were identical among all specimens (larvae and adults) and also identical to those of E. excisus available in the GenBank. However, only one base pair difference exists between the 18S sequences of E. excisus and E. ignotus, with limited sequences available in GenBank accompanied with proper morphological data for the nematodes. With that limitation in mind, identifying our specimens as E. excisus suggests spill-over - that it is an introduced parasite species that has successfully established its life cycle among Australian native species - may have occurred. Our study is the first report of E. excisus in the little black cormorant, P. sulcirostris. Our results do not exclude the possibility of the occurrence of other species of Eustrongylides, either native or exotic, in Australia. This parasite is zoonotic and with increasing demand for fish and changing dietary preferences, such as the consumption of raw or undercooked fish, its occurrence in the flesh of the fish is concerning. This parasite is also associated with anthropogenic habitat alteration affecting the reproductive success of the infected hosts. Therefore, awareness among the relevant authorities of the presence of the parasite in Australia and its adverse impact on native animals is crucial for the success of conservation plans such as fish recovery and relocation efforts.
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Affiliation(s)
- Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
- Corresponding author.
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
| | - Juliet Masiga
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
- Kenya Veterinary Vaccines Production Institute(KEVEVAPI), Road A off Enterprise Road, Nairobi, Kenya
| | - Diane P. Barton
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
| | - Xiaocheng Zhu
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
- NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, NSW, Australia
| | - Luke Pearce
- NSW Department of Primary Industries, Fisheries, Habitat & Threatened Species Unit, Freshwater Environment Branch, Australia
| | - Matthew McLellan
- NSW Department of Primary Industries, Fisheries and Aquaculture Management, Narrandera Fisheries Centre, Narrandera, NSW 2700, Australia
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Sarbassova G, Nurlan N, Raddam Al shammari B, Francis N, Alshammari M, Aljofan M. Investigating potential anti-proliferative activity of different statins against five cancer cell lines. Saudi Pharm J 2023; 31:727-735. [PMID: 37181137 PMCID: PMC10172604 DOI: 10.1016/j.jsps.2023.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/18/2023] [Indexed: 03/29/2023] Open
Abstract
Statins have been reported to have potential anti-proliferative effects through an unknown mechanism. This study aims to investigate the anti-proliferative activities of five statins, including simvastatin, rosuvastatin, fluvastatin, atorvastatin, and pravastatin, against five different cancer cell lines; cervical epithelial carcinoma DoTc2 4510, malignant melanoma A-375, muscle Ewing's sarcoma A-673, hepatocellular carcinoma HUH-7, as well as breast cancer cells MCF-7. At 100 µM, simvastatin and atorvastatin significantly inhibited 70% of cellular proliferation. At the same concentration, rosuvastatin and fluvastatin showed about 50% of inhibition only in A-375 and A-673 cancer cells in a time- and dose-dependent manner. Of all the statin drugs used, pravastatin had the least inhibitory effect on all the cancer cell lines. Western Blot analysis showed a decrease in mTOR level, and the expression of p53 tumour suppression and BCL-2 proteins was relatively elevated compared to the untreated cells. Simvastatin and atorvastatin may inhibit cellular proliferation via BCL-2/p53, Bax/Bak, and PI3K/Akt/mTOR signalling pathways. This is the first research to evaluate the anti-cancer effects of simvastatin, rosuvastatin, fluvastatin, atorvastatin, and pravastatin against five different cell lines from distinct origins and provided a relevant comparison of their efficacies for their anti-proliferative activity.
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Ed Nignpense B, Latif S, Francis N, Blanchard C, Santhakumar AB. Bioaccessibility and Antioxidant Activity of Polyphenols from Pigmented Barley and Wheat. Foods 2022; 11:foods11223697. [PMID: 36429289 PMCID: PMC9689394 DOI: 10.3390/foods11223697] [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: 10/07/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Polyphenols in pigmented cereals are believed to enhance health outcomes through their antioxidant properties. This study aimed to characterise polyphenols from Hordeum vulgare (purple barley), Triticum turgidum (purple wheat) and Triticum aestivum (blue wheat) in order to evaluate their bioaccessibility and antioxidant activity. An ultra-high performance liquid chromatography mass spectrometry coupled with an online 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) system was used to identify the polyphenols and quantify their relative antioxidant levels. Simulated gastrointestinal digestion of the cereals allowed for the assessment of polyphenol bioaccessibility using benchtop assays. Between cereals, the bioaccessible phenolic content was similar following digestion, but the antioxidant activity was significantly different (purple barley > purple wheat > blue wheat; p < 0.01). Among the polyphenols identified, flavan-3-ols and anthocyanins were the least bioaccessible whereas flavones were the most bioaccessible after digestion. This study demonstrated that these pigmented cereal varieties are sources of bioaccessible polyphenols with antioxidant activity. These findings may aid in utilising these pigmented grains for the future design and development of novel functional food products with enhanced health properties.
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Affiliation(s)
- Borkwei Ed Nignpense
- School of Dentistry and Medical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Sajid Latif
- National Life Sciences Research Hub, Faculty of Science and Health, Charles Sturt University, Wagga Wagga, NSW 2795, Australia
| | - Nidhish Francis
- School of Agricultural, Environment and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
| | - Christopher Blanchard
- School of Dentistry and Medical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
- Gulbali Institute of Agriculture, Water and the Environment, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
| | - Abishek Bommannan Santhakumar
- School of Dentistry and Medical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
- Correspondence: ; Tel.: +61-2-6933-2678
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Torkington J, Harries R, O'Connell S, Knight L, Islam S, Bashir N, Watkins A, Fegan G, Cornish J, Rees B, Cole H, Jarvis H, Jones S, Russell I, Bosanquet D, Cleves A, Sewell B, Farr A, Zbrzyzna N, Fiera N, Ellis-Owen R, Hilton Z, Parry C, Bradbury A, Wall P, Hill J, Winter D, Cocks K, Harris D, Hilton J, Vakis S, Hanratty D, Rajagopal R, Akbar F, Ben-Sassi A, Francis N, Jones L, Williamson M, Lindsey I, West R, Smart C, Ziprin P, Agarwal T, Faulkner G, Pinkney T, Vimalachandran D, Lawes D, Faiz O, Nisar P, Smart N, Wilson T, Myers A, Lund J, Smolarek S, Acheson A, Horwood J, Ansell J, Phillips S, Davies M, Davies L, Bird S, Palmer N, Williams M, Galanopoulos G, Rao PD, Jones D, Barnett R, Tate S, Wheat J, Patel N, Rahmani S, Toynton E, Smith L, Reeves N, Kealaher E, Williams G, Sekaran C, Evans M, Beynon J, Egan R, Qasem E, Khot U, Ather S, Mummigati P, Taylor G, Williamson J, Lim J, Powell A, Nageswaran H, Williams A, Padmanabhan J, Phillips K, Ford T, Edwards J, Varney N, Hicks L, Greenway C, Chesters K, Jones H, Blake P, Brown C, Roche L, Jones D, Feeney M, Shah P, Rutter C, McGrath C, Curtis N, Pippard L, Perry J, Allison J, Ockrim J, Dalton R, Allison A, Rendell J, Howard L, Beesley K, Dennison G, Burton J, Bowen G, Duberley S, Richards L, Giles J, Katebe J, Dalton S, Wood J, Courtney E, Hompes R, Poole A, Ward S, Wilkinson L, Hardstaff L, Bogden M, Al-Rashedy M, Fensom C, Lunt N, McCurrie M, Peacock R, Malik K, Burns H, Townley B, Hill P, Sadat M, Khan U, Wignall C, Murati D, Dhanaratne M, Quaid S, Gurram S, Smith D, Harris P, Pollard J, DiBenedetto G, Chadwick J, Hull R, Bach S, Morton D, Hollier K, Hardy V, Ghods M, Tyrrell D, Ashraf S, Glasbey J, Ashraf M, Garner S, Whitehouse A, Yeung D, Mohamed SN, Wilkin R, Suggett N, Lee C, Bagul A, McNeill C, Eardley N, Mahapatra R, Gabriel C, Datt P, Mahmud S, Daniels I, McDermott F, Nodolsk M, Park L, Scott H, Trickett J, Bearn P, Trivedi P, Frost V, Gray C, Croft M, Beral D, Osborne J, Pugh R, Herdman G, George R, Howell AM, Al-Shahaby S, Narendrakumar B, Mohsen Y, Ijaz S, Nasseri M, Herrod P, Brear T, Reilly JJ, Sohal A, Otieno C, Lai W, Coleman M, Platt E, Patrick A, Pitman C, Balasubramanya S, Dickson E, Warman R, Newton C, Tani S, Simpson J, Banerjee A, Siddika A, Campion D, Humes D, Randhawa N, Saunders J, Bharathan B, Hay O. Incisional hernia following colorectal cancer surgery according to suture technique: Hughes Abdominal Repair Randomized Trial (HART). Br J Surg 2022; 109:943-950. [PMID: 35979802 PMCID: PMC10364691 DOI: 10.1093/bjs/znac198] [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: 03/03/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 11/14/2022]
Abstract
BACKGROUND Incisional hernias cause morbidity and may require further surgery. HART (Hughes Abdominal Repair Trial) assessed the effect of an alternative suture method on the incidence of incisional hernia following colorectal cancer surgery. METHODS A pragmatic multicentre single-blind RCT allocated patients undergoing midline incision for colorectal cancer to either Hughes closure (double far-near-near-far sutures of 1 nylon suture at 2-cm intervals along the fascia combined with conventional mass closure) or the surgeon's standard closure. The primary outcome was the incidence of incisional hernia at 1 year assessed by clinical examination. An intention-to-treat analysis was performed. RESULTS Between August 2014 and February 2018, 802 patients were randomized to either Hughes closure (401) or the standard mass closure group (401). At 1 year after surgery, 672 patients (83.7 per cent) were included in the primary outcome analysis; 50 of 339 patients (14.8 per cent) in the Hughes group and 57 of 333 (17.1 per cent) in the standard closure group had incisional hernia (OR 0.84, 95 per cent c.i. 0.55 to 1.27; P = 0.402). At 2 years, 78 patients (28.7 per cent) in the Hughes repair group and 84 (31.8 per cent) in the standard closure group had incisional hernia (OR 0.86, 0.59 to 1.25; P = 0.429). Adverse events were similar in the two groups, apart from the rate of surgical-site infection, which was higher in the Hughes group (13.2 versus 7.7 per cent; OR 1.82, 1.14 to 2.91; P = 0.011). CONCLUSION The incidence of incisional hernia after colorectal cancer surgery is high. There was no statistical difference in incidence between Hughes closure and mass closure at 1 or 2 years. REGISTRATION NUMBER ISRCTN25616490 (http://www.controlled-trials.com).
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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, Upcott M, Vijayasingam D, Anarfi S, Dauncey J, Devindaran A, Havalda P, Komninos G, Mwendwa E, Norman C, Richards J, Urquhart A, Allan J, Cahya E, Hunt H, McWhirter C, Norton R, Roxburgh C, Tan JY, Ali Butt S, Hansdot S, Haq I, Mootien A, Sanchez I, Vainas T, Deliyannis E, Tan M, Vipond M, Chittoor Satish NN, Dattani A, De Carvalho L, Gaston-Grubb M, Karunanithy L, Lowe B, Pace C, Raju K, Roope J, Taylor C, Youssef H, Munro T, Thorn C, Wong KHF, Yunus A, Chawla S, Datta A, Dinesh AA, Field D, Georgi T, Gwozdz A, Hamstead E, Howard N, Isleyen N, Jackson N, Kingdon J, Sagoo KS, Schizas A, Yin L, Aung E, Aung YY, Franklin S, Han SM, Kim WC, Martin Segura A, Rossi M, Ross T, Tirimanna R, Wang B, Zakieh O, Ben-Arzi H, Flach A, Jackson E, Magers S, Olu abara C, Rogers E, Sugden K, Tan H, Veliah S, Walton U, Asif A, Bharwada Y, Bowley D, Broekhuizen A, Cooper L, Evans N, Girdlestone H, Ling C, Mann H, Mehmood N, Mulvenna CL, Rainer N, Trout I, Gujjuri R, Jeyaraman D, Leong E, Singh D, Smith E, Anderton J, Barabas M, Goyal S, Howard D, Joshi A, Mitchell D, Weatherby T, Badminton R, Bird R, Burtle D, Choi NY, Devalia K, Farr E, Fischer F, Fish J, Gunn F, Jacobs D, Johnston P, Kalakoutas A, Lau E, Loo YNAF, Louden H, Makariou N, Mohammadi K, Nayab Y, Ruhomaun S, Ryliskyte R, Saeed M, Shinde P, Sudul M, Theodoropoulou K, Valadao-Spoorenberg J, Vlachou F, Arshad SR, Janmohamed AM, Noor M, Oyerinde O, Saha A, Syed Y, Watkinson W, Ahmadi H, Akintunde A, Alsaady A, Bradley J, Brothwood D, Burton M, Higgs M, Hoyle C, Katsura C, Lathan R, Louani A, Mandalia R, Prihartadi AS, Qaddoura B, Sandland-Taylor L, Thadani S, Thompson A, Walshaw J, Teo S, Ali S, Bawa JH, Fox S, Gargan K, Haider SA, Hanna N, Hatoum A, Khan Z, Krzak AM, Li T, Pitt J, Tan GJS, Ullah Z, Wilson E, Cleaver J, Colman J, Copeland L, Coulson A, Davis P, Faisal H, Hassan F, Hughes JT, Jabr Y, Mahmoud Ali F, Nahaboo Solim ZN, Sangheli A, Shaya S, Thompson R, Cornwall H, De Andres Crespo M, Fay E, Findlay J, Groves E, Jones O, Killen A, Millo J, Thomas S, Ward J, Wilkins M, Zaki F, Zilber E, Bhavra K, Bilolikar A, Charalambous M, Elawad A, Eleni A, Fawdon R, Gibbins A, Livingstone D, Mala D, Oke SE, Padmakumar D, Patsalides MA, Payne D, Ralphs C, Roney A, Sardar N, Stefanova K, Surti F, Timms R, Tosney G, Bannister J, Clement NS, Cullimore V, Kamal F, Lendor J, McKay J, Mcswiggan J, Minhas N, Seneviratne K, Simeen S, Valverde J, Watson N, Bloom I, Dinh TH, Hirniak J, Joseph R, Kansagra M, Lai CKN, Melamed N, Patel J, Randev J, Sedighi T, Shurovi B, Sodhi J, Vadgama N, Abdulla S, Adabavazeh B, Champion A, Chennupati R, Chu K, Devi S, Haji A, Schulz J, Testa F, Davies P, Gurung B, Howell S, Modi P, Pervaiz A, Zahid M, Abdolrazaghi S, Abi Aoun R, Anjum Z, Bawa G, Bhardwaj R, Brown S, Enver M, Gill D, Gopikrishna D, Gurung D, Kanwal A, Kaushal P, Khanna A, Lovell E, McEvoy C, Mirza M, Nabeel S, Naseem S, Pandya K, Perkins R, Pulakal R, Ray M, Reay C, Reilly S, Round A, Seehra J, Shakeel NM, Singh B, 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Loveday K, Malik H, McKenna O, Noor A, Onsiong C, Patel B, Radcliffe N, Shah P, Tye L, Verma K, Walford R, Yusufi U, Zachariah M, Casey A, Doré C, Fludder V, Fortescue L, Kalapu SS, Karel E, Khera G, Smith C, Appleton B, Ashaye A, Boggon E, Evans A, Faris Mahmood H, Hinchcliffe Z, Marei O, Silva I, Spooner C, Thomas G, Timlin M, Wellington J, Yao SL, Abdelrazek M, Abdelrazik Y, Bee F, Joseph A, Mounce A, Parry G, Vignarajah N, Biddles D, Creissen A, Kolhe S, K T, Lea A, Ledda V, O'Loughlin P, Scanlon J, Shetty N, Weller C, Abdalla M, Adeoye A, Bhatti M, Chadda KR, Chu J, Elhakim H, Foster-Davies H, Rabie M, Tailor B, Webb S, Abdelrahim ASA, Choo SY, Jiwa A, Mangam S, Murray S, Shandramohan A, Aghanenu O, Budd W, Hayre J, Khanom S, Liew ZY, McKinney R, Moody N, Muhammad-Kamal H, Odogwu J, Patel D, Roy C, Sattar Z, Shahrokhi N, Sinha I, Thomson E, Wonga L, Bain J, Khan J, Ricardo D, Bevis R, Cherry C, Darkwa S, Drew W, Griffiths E, Konda N, Madani D, Mak JKC, Meda B, Odunukwe U, Preest G, Raheel F, Rajaseharan A, Ramgopal A, Risbrooke C, Selvaratnam K, Sethunath G, Tabassum R, Taylor J, Thakker A, Wijesingha N, Wybrew R, Yasin T, Ahmed Osman A, Alfadhel S, Carberry E, Chen JY, Drake I, Glen P, Jayasuriya N, Kawar L, Myatt R, Sinan LOH, Siu SSY, Tjen V, Adeboyejo O, Bacon H, Barnes R, Birnie C, D'Cunha Kamath A, Hughes E, Middleton S, Owen R, Schofield E, Short C, Smith R, Wang H, Willett M, Zimmerman M, Balfour J, Chadwick T, Coombe-Jones M, Do Le HP, Faulkner G, Hobson K, Shehata Z, Beattie M, Chmielewski G, Chong C, Donnelly B, Drusch B, Ellis J, Farrelly C, Feyi-Waboso J, Hibell I, Hoade L, Ho C, Jones H, Kodiatt B, Lidder P, Ni Cheallaigh L, Norman R, Patabendi I, Penfold H, Playfair M, Pomeroy S, Ralph C, Rottenburg H, Sebastian J, Sheehan M, Stanley V, Welchman J, Ajdarpasic D, Antypas A, Azouaghe O, Basi S, Bettoli G, Bhattarai S, Bommireddy L, Bourne K, Budding J, Cookey-Bresi R, Cummins T, Davies G, Fabelurin C, Gwilliam R, Hanley J, Hird A, Kruczynska A, Langhorne B, Lund J, Lutchman I, McGuinness R, Neary M, Pampapathi S, Pang E, Podbicanin S, Rai N, Redhouse White G, Sujith J, Thomas P, Walker I, Winterton R, Anderson P, Barrington M, Bhadra K, Clark G, Fowler G, Gibson C, Hudson S, Kaminskaite V, Lawday S, Longshaw A, MacKrill E, McLachlan F, Murdeshwar A, Nieuwoudt R, Parker P, Randall R, Rawlins E, Reeves SA, Rye D, Sirkis T, Sykes B, Ventress N, Wosinska N, Akram B, Burton L, Coombs A, Long R, Magowan D, Ong C, Sethi M, Williams G, Chan C, Chan LH, Fernando D, Gaba F, Khor Z, Les JW, Mak R, Moin S, Ng Kee Kwong KC, Paterson-Brown S, Tew YY, Bardon A, Burrell K, Coldwell C, Costa I, Dexter E, Hardy A, Khojani M, Mazurek J, Raymond T, Reddy V, Reynolds J, Soma A, Agiotakis S, Alsusa H, Desai N, Peristerakis I, Adcock A, Ayub H, Bennett T, Bibi F, Brenac S, Chapman T, Clarke G, Clark F, Galvin C, Gwyn-Jones A, Henry-Blake C, Kerner S, Kiandee M, Lovett A, Pilecka A, Ravindran R, Siddique H, Sikand T, Treadwell K, Akmal K, Apata A, Barton O, Broad G, Darling H, Dhuga Y, Emms L, Habib S, Jain R, Jeater J, Kan CYP, Kathiravelupillai A, Khatkar H, Kirmani S, Kulasabanathan K, Lacey H, Lal K, Manafa C, Mansoor M, McDonald S, Mittal A, Mustoe S, Nottrodt L, Oliver P, Papapetrou I, Pattinson F, Raja M, Reyhani H, Shahmiri A, Small O, Soni U, Aguirrezabala Armbruster B, Bunni J, Hakim MA, Hawkins-Hooker L, Howell KA, Hullait R, Jaskowska A, Ottewell L, Thomas-Jones I, Vasudev A, Clements B, Fenton J, Gill M, Haider S, Lim AJM, Maguire H, McMullan J, Nicoletti J, Samuel S, Unais MA, White N, Yao PC, Yow L, Boyle C, Brady R, Cheekoty P, Cheong J, Chew SJHL, Chow R, Ganewatta Kankanamge D, Mamer L, Mohammed B, Ng Chieng Hin J, Renji Chungath R, Royston A, Sharrad E, Sinclair R, Tingle S, Treherne K, Wyatt F, Maniarasu VS, Moug S, Appanna T, Bucknall T, Hussain F, Owen A, Parry M, Parry R, Sagua N, Spofforth K, Yuen ECT, Bosley N, Hardie W, Moore T, Regas C, Abdel-Khaleq S, Ali N, Bashiti H, Buxton-Hopley R, Constantinides M, D'Afflitto M, Deshpande A, Duque Golding J, Frisira E, Germani Batacchi M, Gomaa A, Hay D, Hutchison R, Iakovou A, Iakovou D, Ismail E, Jefferson S, Jones L, Khouli Y, Knowles C, Mason J, McCaughan R, Moffatt J, Morawala A, Nadir H, Neyroud F, Nikookam Y, Parmar A, Pinto L, Ramamoorthy R, Richards E, Thomson S, Trainer C, Valetopoulou A, Vassiliou A, Wantman A, Wilde S, Dickinson M, Rockall T, Senn D, Wcislo K, Zalmay P, Adelekan K, Allen K, Bajaj M, Gatumbu P, Hang S, Hashmi Y, Kaur T, Kawesha A, Kisiel A, Woodmass M, Adelowo T, Ahari D, Alhwaishel K, Atherton R, Clayton B, Cockroft A, Curtis Lopez C, Hilton M, Ismail N, Kouadria M, Lee L, MacConnachie A, Monks F, Mungroo S, Nikoletopoulou C, Pearce L, Sara X, Shahid A, Suresh G, Wilcha R, Atiyah A, Davies E, Dermanis A, Gibbons H, Hyde A, Lawson A, Lee C, Leung-Tack M, Li Saw Hee J, Mostafa O, Nair D, Pattani N, Plumbley-Jones J, Pufal K, Ramesh P, Sanghera J, Saram S, Scadding S, See S, Stringer H, Torrance A, Vardon H, Wyn-Griffiths F, Brew A, Kaur G, Soni D, Tickle A, Akbar Z, Appleyard T, Figg K, Jayawardena P, Johnson A, Kamran Siddiqui Z, Lacy-Colson J, Oatham R, Rowlands B, Sludden E, Turnbull C, Allin D, Ansar Z, Azeez Z, Dale VH, Garg J, Horner A, Jones S, Knight S, McGregor C, McKenna J, McLelland T, Packham-Smith A, Rowsell K, Spector-Hill I, Adeniken E, Baker J, Bartlett M, Chikomba L, Connell B, Deekonda P, Dhar M, Elmansouri A, Gamage K, Goodhew R, Hanna P, Knight J, Luca A, Maasoumi N, Mahamoud F, Manji S, Marwaha PK, Mason F, Oluboyede A, Pigott L, Razaq AM, Richardson M, Saddaoui I, Wijeyendram P, Yau S, Atkins W, Liang K, Miles N, Praveen B, Ashai S, Braganza J, Common J, Cundy A, Davies R, Guthrie J, Handa I, Iqbal M, Ismail R, Jones C, Jones I, Lee KS, Levene A, Okocha M, Olivier J, Smith A, Subramaniam E, Tandle S, Wang A, Watson A, Wilson C, Chan XHF, Khoo E, Montgomery C, Norris M, Pugalenthi PP, Common T, Cook E, Mistry H, Shinmar HS, Agarwal G, Bandyopadhyay S, Brazier B, Carroll L, Goede A, Harbourne A, Lakhani A, Lami M, Larwood J, Martin J, Merchant J, Pattenden S, Pradhan A, Raafat N, Rothwell E, Shammoon Y, Sudarshan R, Vickers E, Wingfield L, Ashworth I, Azizi S, Bhate R, Chowdhury T, Christou A, Davies L, Dwaraknath M, Farah Y, Garner J, Gureviciute E, Hart E, Jain A, Javid S, Kankam HK, Kaur Toor P, Kaz R, Kermali M, Khan I, Mattson A, McManus A, Murphy M, Nair K, Ngemoh D, Norton E, Olabiran A, Parry L, Payne T, Pillai K, Price S, Punjabi K, Raghunathan A, Ramwell A, Raza M, Ritehnia J, Simpson G, Smith W, Sodeinde S, Studd L, Subramaniam M, Thomas J, Towey S, Tsang E, Tuteja D, Vasani J, Vio M, Badran A, Adams J, Anthony Wilkinson J, Asvandi S, Austin T, Bald A, Bix E, Carrick M, Chander B, Chowdhury S, Cooper Drake B, Crosbie S, D Portela S, Francis D, Gallagher C, Gillespie R, Gravett H, Gupta P, Ilyas C, James G, Johny J, Jones A, Kinder F, MacLeod C, Macrow C, Maqsood-Shah A, Mather J, McCann L, McMahon R, Mitham E, Mohamed M, Munton E, Nightingale K, O'Neill K, Onyemuchara I, Senior R, Shanahan A, Sherlock J, Spyridoulias A, Stavrou C, Stokes D, Tamang R, Taylor E, Trafford C, Uden C, Waddington C, Yassin D, Zaman M, Bangi S, Cheng T, Chew D, Hussain N, Imani-Masouleh S, Mahasivam G, McKnight G, Ng HL, Ota HC, Pasha T, Ravindran W, Shah K, Vishnu K S, Zaman S, Carr W, Cope S, Eagles EJ, Howarth-Maddison M, Li CY, Reed J, Ridge A, Stubbs T, Teasdaled D, Umar R, Worthington J, Dhebri A, Kalenderov R, Alattas A, Arain Z, Bhudia R, Chia D, Daniel S, Dar T, Garland H, Girish M, Hampson A, Kyriacou H, Lehovsky K, Mullins W, Omorphos N, Vasdev N, Venkatesh A, Waldock W, Bhandari A, Brown G, Choa G, Eichenauer CE, Ezennia K, Kidwai Z, Lloyd-Thomas A, Macaskill Stewart A, Massardi C, Sinclair E, Skajaa N, Smith M, Tan I, Afsheen N, Anuar A, Azam Z, Bhatia P, Davies-kelly N, Dickinson S, Elkawafi M, Ganapathy M, Gupta S, Khoury EG, Licudi D, Mehta V, Neequaye S, Nita G, Tay VL, Zhao S, Botsa E, Cuthbert H, Elliott J, Furlepa M, Lehmann J, Mangtani A, Narayan A, Nazarian S, Parmar C, Shah D, Shaw C, Zhao Z, Beck C, Caldwell S, Clements JM, French B, Kenny R, Kirk S, Lindsay J, McClung A, McLaughlin N, Watson S, Whiteside E, Alyacoubi S, Arumugam V, Beg R, Dawas K, Garg S, Lloyd ER, Mahfouz Y, Manobharath N, Moonesinghe R, Morka N, Patel K, Prashar J, Yip S, Adeeko ES, Ajekigbe F, Bhat A, Evans C, Farrugia A, Gurung C, Long T, Malik B, Manirajan S, Newport D, Rayer J, Ridha A, Ross E, Saran T, Sinker A, Waruingi D, Allen R, Al Sadek Y, Alves do Canto Brum H, Asharaf H, Ashman M, Balakumar V, Barrington J, Baskaran R, Berry A, Bhachoo H, Bilal A, Boaden L, Chia WL, Covell G, Crook D, Dadnam F, Davis L, De Berker H, Doyle C, Fox C, Gruffydd-Davies M, Hafouda Y, Hill A, Hubbard E, Hunter A, Inpadhas V, Jamshaid M, Jandu G, Jeyanthi M, Jones T, Kantor C, Kwak SY, Malik N, Matt R, McNulty P, Miles C, Mohomed A, Myat P, Niharika J, Nixon A, O'Reilly D, Parmar K, Pengelly S, Price L, Ramsden M, Turnor R, Wales E, Waring H, Wu M, Yang T, Ye TTS, Zander A, Zeicu C, Bellam S, Francombe J, Kawamoto N, Rahman MR, Sathyanarayana A, Tang HT, Cheung J, Hollingshead J, Page V, Sugarman J, Wong E, Chiong J, Fung E, Kan SY, Kiang J, Kok J, Krahelski O, Liew MY, Lyell B, Sharif Z, Speake D, Alim L, Amakye NY, Chandrasekaran J, Chandratreya N, Drake J, Owoso T, Thu YM, Abou El Ela Bourquin B, Alberts J, Chapman D, Rehnnuma N, Ainsworth K, Carpenter H, Emmanuel T, Fisher T, Gabrel M, Guan Z, Hollows S, Hotouras A, Ip Fung Chun N, Jaffer S, Kallikas G, Kennedy N, Lewinsohn B, Liu FY, Mohammed S, Rutherfurd A, Situ T, Stammer A, Taylor F, Thin N, Urgesi E, Zhang N, Ahmad MA, Bishop A, Bowes A, Dixit A, Glasson R, Hatta S, Hatt K, Larcombe S, Preece J, Riordan E, Fegredo D, Haq MZ, Li C, McCann G, Stewart D, Baraza W, Bhullar D, Burt G, Coyle J, Deans J, Devine A, Hird R, Ikotun O, Manchip G, Ross C, Storey L, Tan WWL, Tse C, Warner C, Whitehead M, Wu F, Court EL, Crisp E, Huttman M, Mayes F, Robertson H, Rosen H, Sandberg C, Smith H, Al Bakry M, Ashwell W, Bajaj S, Bandyopadhyay D, Browlee O, Burway S, Chand CP, Elsayeh K, Elsharkawi A, Evans E, Ferrin S, Fort-Schaale A, Iacob M, I K, Impelliziere Licastro G, Mankoo AS, Olaniyan T, Otun J, Pereira R, Reddy R, Saeed D, Simmonds O, Singhal G, Tron K, Wickstone C, Williams R, Bradshaw E, De Kock Jewell V, Houlden C, Knight C, Metezai H, Mirza-Davies A, Seymour Z, Spink D, Wischhusen S. 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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Spencer A, Watchorn RE, Kravvas G, Ben-Salha I, Haider A, Francis N, Freeman A, Alnajjar HM, Muneer A, Bunker CB. Pseudoepitheliomatous keratotic and micaceous balanitis: a series of eight cases. J Eur Acad Dermatol Venereol 2022; 36:1851-1856. [PMID: 35695159 DOI: 10.1111/jdv.18328] [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] [Received: 10/14/2021] [Accepted: 05/05/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Pseudoepitheliomatous keratotic and micaceous balanitis (PEKMB) is a clinicopathological entity characterized clinically by micaceous scale on the glans, and histologically by acanthosis, hyperkeratosis and pseudoepitheliomatous hyperplasia. We present a series of eight cases of this rare condition, the first series of more than two cases to be reported. OBJECTIVES To determine the clinical and histological characteristics of cases of PEKMB, and evaluate treatments used and clinical course. METHODS This monocentric case series was conducted at the University College London Hospitals tertiary male genital dermatology clinic between April 2018 and August 2020. Eight patients with PEKMB were evaluated. Data were collected on demographics, clinical presentation, histological features, presence of human papilloma virus (HPV), history of lichen sclerosus, treatment of PEKMB and subsequent response, and presence or development of squamous cell carcinoma (SCC) or penile intraepithelial neoplasia (PeIN) during follow-up. RESULTS Eight Caucasian males presented with clinical and histological evidence of PEKMB. Seven had a background of lichen sclerosus; two had failed treatment with superpotent topical steroids and four had symptoms for three or more years prior to circumcision. There was no clinical or histological relationship with HPV infection, and p16 staining was negative. HPV PCR, performed in two cases, was negative. Basal atypia, insufficient to amount to PeIN, was present in six patients. One patient progressed to PeIN during follow-up, and no patient progressed to invasive malignancy. Five patients were treated successfully with glans resurfacing and split skin graft reconstruction. CONCLUSIONS Our observations demonstrate that PEKMB represents a form of chronic, undiagnosed or misdiagnosed, inadequately treated or treatment refractory, unstable lichen sclerosus. The significant potential for squamous carcinogenesis (differentiated PeIN and verrucous carcinoma) can be mitigated by timely diagnosis and treatment. Glans resurfacing and split skin graft reconstruction appears to be a successful treatment modality in patients with refractory disease.
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Affiliation(s)
- A Spencer
- Department of Dermatology, University College London Hospitals NHS Trust, London, UK.,Department of Dermatology, Imperial College Healthcare NHS Trust, London, UK
| | - R E Watchorn
- Department of Dermatology, University College London Hospitals NHS Trust, London, UK.,Department of Dermatology, Imperial College Healthcare NHS Trust, London, UK
| | - G Kravvas
- Department of Dermatology, University College London Hospitals NHS Trust, London, UK
| | - I Ben-Salha
- Department of Histopathology, University College London Hospitals NHS Trust, London, UK
| | - A Haider
- Department of Histopathology, University College London Hospitals NHS Trust, London, UK
| | - N Francis
- Department of Histopathology, Imperial College Healthcare NHS Trust, London, UK
| | - A Freeman
- Department of Histopathology, University College London Hospitals NHS Trust, London, UK
| | - H M Alnajjar
- Department of Urology, University College London Hospitals NHS Trust, London, UK
| | - A Muneer
- Department of Urology, University College London Hospitals NHS Trust, London, UK.,National Institute of Health Research Centre, University College London Hospitals NHS Trust, London, UK.,Division of Surgery and Interventional Science, University College London, London, UK
| | - C B Bunker
- Department of Dermatology, University College London Hospitals NHS Trust, London, UK
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Francis N, Moore C, Warris A, Armstrong-James D, Horsley A, Jones A. P154 Cough swabs are not a suitable alternative to a sputum culture for fungal culture to isolate Aspergillus fumigatus. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00485-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Ed Nignpense B, Latif S, Francis N, Blanchard C, Santhakumar AB. The impact of simulated gastrointestinal digestion on the bioaccessibility and antioxidant activity of purple rice phenolic compounds. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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17
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Barton DP, Lettoof DC, Fearn S, Zhu X, Francis N, Shamsi S. Dolichoperoides macalpini (Nicoll, 1914) (Digenea: Dolichoperoididae) infecting venomous snakes (Elapidae) across Australia: molecular characterisation and infection parameters. Parasitol Res 2022; 121:1663-1670. [PMID: 35362741 PMCID: PMC9098595 DOI: 10.1007/s00436-022-07502-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/21/2022] [Indexed: 11/23/2022]
Abstract
Specimens of Dolichoperoides macalpini (Nicoll, 1914) (Digenea: Dolichoperoididae) were collected from Australian venomous snakes (Elapidae): Notechis scutatus Peters, 1861 and Austrelaps superbus (Günther, 1858) from Tasmania and surrounding islands and N. s. occidentalis Glauert, 1948 from wetlands near Perth, Western Australia. Despite variation in morphological measurements, genetic analysis showed that the one species of digeneans infected the snakes from all locations. This study presents the first DNA sequences for D. macalpini (internal transcribed spacer, 18S, 28S), confirming its placement in a family separate from the Reniferidae and Telorchiidae. Analysis of the infection dynamics of infection in Western Australian snakes showed significant differences in levels of infection between wetland locations, season and year of collection. Infection of D. macalpini was reported in the gastrointestinal tract, including the mouth, in freshly euthanised snakes in Western Australia, and in the lung in Tasmanian snakes, consistent with earlier reports. Differences in morphology and site of infection are suggested to be due to a combination of season and maturity of the digenean, with infection potentially occurring early in the season, as the snakes emerge from torpor. The need for research on the seasonal dynamics of infection with this parasite is discussed.
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Affiliation(s)
- Diane P Barton
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia.
| | - Damian C Lettoof
- School of Molecular and Life Sciences, Curtin University, Perth, Western Australia, Australia
| | - Simon Fearn
- Natural Sciences, Queen Victoria Museum and Art Gallery, Launceston, Tasmania, Australia
| | - Xiaocheng Zhu
- New South Wales Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, New South Wales, Australia
| | - Nidhish Francis
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Shokoofeh Shamsi
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
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18
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Asif A, Nathan A, Patel S, Georgi M, Hang M, Mullins W, Fricker M, Ng A, Ghosh A, Francis N, Collins J, Sridhar A. Virtual classroom proficiency-based progression for robotic surgery training (VROBOT): A prospective, cross-over, effectiveness study. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00116-6] [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: 11/04/2022]
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19
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Fong ML, Leeder P, Dexter S, Menzies D, Sedman P, Francis N. Development and evaluation of an objective laparoscopic assessment tool: LapPass®. Ann R Coll Surg Engl 2021; 104:367-372. [PMID: 34822254 DOI: 10.1308/rcsann.2021.0207] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Laparoscopic surgery is technically challenging and assessment of competency is necessary to ensure patient safety and guide training. We report on the development of LapPass®, an accessible objective simulation assessment tool with credentialing potential. We provide a preliminary evaluation of its usability and aspects of validity. METHODS The domains of LapPass® were defined through a consensus process by the executive council of the Association of Laparoscopic Surgeons of Great Britain and Ireland (ALSGBI). A survey of both assessors and trainees was used to test for usability, face and content validity of LapPass®. Internal consistency was tested with Cronbach's alpha, and a composite marker of validity and usability was obtained. RESULTS LapPass® was developed to consist of four tasks: (1) grasping and manipulation, (2) simulated appendicectomy, (3) cutting a disk and (4) intracorporeal suturing. A total of 76 participants contributed to the evaluation of LapPass®: 13 assessors and 63 trainees. For assessors, Cronbach's alpha for usability of tasks 1-4 was 0.84, 0.84, 0.76 and 0.86, whereas validity was 0.80, 0.85, 0.88, 0.95, respectively. For trainees, Cronbach's alpha was 0.75, 0.77, 0.80 and 0.85 for usability, and 0.79, 093, 0.87 and 0.91 for validity. Consensus was that each task was usable and had face and content validity, with median scores of 4.0 or higher (interquartile range 0.0-1.0). CONCLUSION LapPass® has potential for the objective assessment of basic laparoscopic skills but further research is required to explore its predictive capabilities in a clinical setting.
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Affiliation(s)
- M L Fong
- North Central and East London Deanery, Health Education England, UK.,Imperial College London, UK
| | - P Leeder
- University Hospitals of Derby and Burton NHS Foundation Trust, UK
| | - S Dexter
- The Leeds Teaching Hospitals NHS Trust, UK
| | - D Menzies
- The Royal College of Surgeons of England, UK
| | - P Sedman
- Hull University Teaching Hospitals NHS Trust, UK
| | - N Francis
- Yeovil District Hospital NHS Foundation Trust, UK.,Directorate of Training, Northwick Park Institute of Medical Research, UK.,University College London, UK
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20
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Ng A, Nathan A, Patel S, Georgi M, Hang K, Mullins W, Asif A, Fricker M, Francis N, Collins J, Sridhar A. Can virtual classroom training improve the acquisition of robotic training skills? A prospective, cross-over, effectiveness study (V-ROBOT). EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)02268-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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21
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Jahan M, Francis N, Wynn P, Wang B. The Potential for Sialic Acid and Sialylated Glycoconjugates as Feed Additives to Enhance Pig Health and Production. Animals (Basel) 2021; 11:ani11082318. [PMID: 34438776 PMCID: PMC8388453 DOI: 10.3390/ani11082318] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 11/30/2022] Open
Abstract
Simple Summary This review discusses the current challenges in the pig industry and the potential nutritional significance of sialic acid (Sia) and glycoconjugates (Sia-GC’s) for pig health and nutrition. Sia is a nine-carbon acidic sugar which is present in various organs and body fluids of humans and animals. Sias contribute to many beneficial biological functions including pathogen resistance, immunomodulation, gut microbiota development, gut maturation, anti-inflammation and neurodevelopment. The role of Sias in regulating the metabolism of pigs has seldom been reported. However, we have documented significant beneficial effects of specific Sia-GC’s on health and production performance of sows and piglets. These findings are reviewed in relation to other studies while noting the beneficial effects of the inclusion of Sia, Sia containing oligosaccharide or the sialo-protein lactoferrin in the diets of gilts and sows. The importance of the passive transfer of of Sia and Sia-GC’s through milk to the young and the implications for their growth and development is also reviewed. This information will assist in optimizing the composition of sow/gilt milk replacers designed to increases the survival of IUGR piglets or piglets with dams suffering from agalactia, a common problem in pig production systems worldwide. Abstract Swine are one of the most important agricultural species for human food production. Given the significant disease challenges confronting commercial pig farming systems, introduction of a new feed additive that can enhance animal performance by improving growth and immune status represents a major opportunity. One such candidate is sialic acid (Sia), a diverse family of nine-carbon acidic sugar, present in various organs and body fluid, as well as an essential structural and functional constituent of brain ganglioside of humans and animals. Sias are key monosaccharide and biomarker of sialylated milk oligosaccharide (Sia-MOS’s), sialylated glycoproteins and glycolipids in milk and all vertebrate cells. Sias accomplish many critical endogenous functions by virtue of their physiochemical properties and via recognition by intrinsic receptors. Human milk sialylated glycoconjugates (Sia-GC’s) are bioactive compounds known to act as prebiotics that promote gut microbiota development, gut maturation, pathogen resistance, immunomodulation, anti-inflammation and neurodevelopment. However, the importance of Sia in pig health, especially in the growth, development, immunity of developing piglet and in pig production remains unknown. This review aims to critically discuss the current status of knowledge of the biology and nutritional role of Sia and Sia-GC’s on health of both female sow and newborn piglets.
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Affiliation(s)
| | | | | | - Bing Wang
- Correspondence: ; Tel.: +61-2-6933-4549
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22
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Ed Nignpense B, Francis N, Blanchard C, Santhakumar AB. Bioaccessibility and Bioactivity of Cereal Polyphenols: A Review. Foods 2021; 10:foods10071595. [PMID: 34359469 PMCID: PMC8307242 DOI: 10.3390/foods10071595] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [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: 06/07/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/12/2022] Open
Abstract
Cereal bioactive compounds, especially polyphenols, are known to possess a wide range of disease preventive properties that are attributed to their antioxidant and anti-inflammatory activity. However, due to their low plasma concentrations after oral intake, there is controversy regarding their therapeutic benefits in vivo. Within the gastrointestinal tract, some cereal polyphenols are absorbed in the small intestine, with the majority accumulating and metabolised by the colonic microbiota. Chemical and enzymatic processes occurring during gastrointestinal digestion modulate the bioactivity and bioaccessibility of phenolic compounds. The interactions between the cereal polyphenols and the intestinal epithelium allow the modulation of intestinal barrier function through antioxidant, anti-inflammatory activity and mucin production thereby improving intestinal health. The intestinal microbiota is believed to have a reciprocal interaction with polyphenols, wherein the microbiome produces bioactive and bioaccessible phenolic metabolites and the phenolic compound, in turn, modifies the microbiome composition favourably. Thus, the microbiome presents a key link between polyphenol consumption and the health benefits observed in metabolic conditions in numerous studies. This review will explore the therapeutic value of cereal polyphenols in conjunction with their bioaccessibility, impact on intestinal barrier function and interaction with the microbiome coupled with plasma anti-inflammatory effects.
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Affiliation(s)
- Borkwei Ed Nignpense
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia; (B.E.N.); (N.F.); (C.B.)
| | - Nidhish Francis
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia; (B.E.N.); (N.F.); (C.B.)
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
| | - Christopher Blanchard
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia; (B.E.N.); (N.F.); (C.B.)
- Australian Research Council (ARC), Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
| | - Abishek Bommannan Santhakumar
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia; (B.E.N.); (N.F.); (C.B.)
- Australian Research Council (ARC), Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
- Correspondence: ; Tel.: +61-2-6933-2678
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23
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Ferguson L, Ho B, Weir J, Francis N, West K, Rathbone B, Larkin J, Heelan K. Extensive mucocutaneous, oesophageal and otic lichen planus secondary to nivolumab therapy. Skin Health Dis 2021; 1:e8. [PMID: 35664814 PMCID: PMC9060137 DOI: 10.1002/ski2.8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 02/01/2023]
Abstract
We report a 73-year-old female with metastatic renal cell carcinoma who developed a widespread lichenoid reaction following nivolumab treatment. The timeline of the reaction strongly correlated with the nivolumab treatment and subsequent cessation. Our patient had cutaneous, mucosal, otic, ophthalmic and oesophageal involvement, demonstrating the potentially extensive nature of lichenoid reactions to anti-programmed cell death receptor-1 (anti-PD1) therapies. Although lichenoid reactions to anti-PD1 therapies are now well recognized, there have been no previous reports of otic or oesophageal involvement in the literature. Although cutaneous lichenoid reactions do not tend to be severe or treatment limiting, more widespread systemic lichenoid reactions are challenging to manage, particularly in the context of malignancy. This very unusual case highlights the importance of considering involvement beyond the skin in all lichenoid skin reactions.
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Affiliation(s)
| | - B. Ho
- Dermatology DepartmentSt George's University Hospitals NHS Foundation TrustLondonUK
| | - J. Weir
- Department of HistopathologyImperial College Healthcare NHS TrustLondonUK
| | - N. Francis
- Department of HistopathologyImperial College Healthcare NHS TrustLondonUK
| | - K. West
- Histopathology DepartmentLeicester Royal InfirmaryLeicesterUK
| | - B. Rathbone
- Gastroenterology DepartmentLeicester Royal InfirmaryLeicesterUK
| | - J. Larkin
- Royal Marsden Hospital NHS TrustLondonUK
| | - K. Heelan
- Royal Marsden Hospital NHS TrustLondonUK
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24
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Wilkinson MJ, Snow H, Downey K, Thomas K, Riddell A, Francis N, Strauss DC, Hayes AJ, Smith MJF, Messiou C. CT diagnosis of ilioinguinal lymph node metastases in melanoma using radiological characteristics beyond size and asymmetry. BJS Open 2021; 5:6104886. [PMID: 33609385 PMCID: PMC7893466 DOI: 10.1093/bjsopen/zraa005] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 08/27/2020] [Indexed: 11/23/2022] Open
Abstract
Background Diagnosis of lymph node (LN) metastasis in melanoma with non-invasive methods is challenging. The aim of this study was to evaluate the diagnostic accuracy of six LN characteristics on CT in detecting melanoma-positive ilioinguinal LN metastases, and to determine whether inguinal LN characteristics can predict pelvic LN involvement. Methods This was a single-centre retrospective study of patients with melanoma LN metastases at a tertiary cancer centre between 2008 and 2016. Patients who had preoperative contrast-enhanced CT assessment and ilioinguinal LN dissection were included. CT scans containing significant artefacts obscuring the pelvis were excluded. CT scans were reanalysed for six LN characteristics (extracapsular spread (ECS), minimum axis (MA), absence of fatty hilum (FH), asymmetrical cortical nodule (CAN), abnormal contrast enhancement (ACE) and rounded morphology (RM)) and compared with postoperative histopathological findings. Results A total of 90 patients were included. Median age was 58 (range 23–85) years. Eighty-eight patients (98 per cent) had pathology-positive inguinal disease and, of these, 45 (51 per cent) had concurrent pelvic disease. The most common CT characteristics found in pathology-positive inguinal LNs were MA greater than 10 mm (97 per cent), ACE (80 per cent), ECS (38 per cent) and absence of RM (38 per cent). In multivariable analysis, inguinal LN characteristics on CT indicative of pelvic disease were RM (odds ratio (OR) 3.3, 95 per cent c.i. 1.2 to 8.7) and ECS (OR 4.2, 1.6 to 11.3). Cloquet’s node is known to be a poor predictor of pelvic spread. Pelvic LN disease was present in 50 per cent patients, but only 7 per cent had a pathology-positive Cloquet’s node. Conclusion Additional CT radiological characteristics, especially ECS and RM, may improve diagnostic accuracy and aid clinical decisions regarding the need for inguinal or ilioinguinal dissection.
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Affiliation(s)
- M J Wilkinson
- Department of Academic Surgery, Sarcoma and Melanoma Unit, The Royal Marsden Hospital, London, UK
| | - H Snow
- Department of Academic Surgery, Sarcoma and Melanoma Unit, The Royal Marsden Hospital, London, UK
| | - K Downey
- Department of Radiology, The Royal Marsden Hospital, London, UK
| | - K Thomas
- Statistics Department, The Royal Marsden Hospital, London, UK
| | - A Riddell
- Department of Radiology, The Royal Marsden Hospital, London, UK
| | - N Francis
- Department of Pathology, The Royal Marsden Hospital (Honorary) and Charing Cross Hospital, London, UK
| | - D C Strauss
- Department of Academic Surgery, Sarcoma and Melanoma Unit, The Royal Marsden Hospital, London, UK
| | - A J Hayes
- Department of Academic Surgery, Sarcoma and Melanoma Unit, The Royal Marsden Hospital, London, UK.,Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, UK
| | - M J F Smith
- Department of Academic Surgery, Sarcoma and Melanoma Unit, The Royal Marsden Hospital, London, UK
| | - C Messiou
- Department of Radiology, The Royal Marsden Hospital, London, UK.,Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, UK
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25
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Teasdale E, Muller I, Sivyer K, Ghio D, Greenwell K, Wilczynska S, Roberts A, Ridd M, Francis N, Yardley L, Thomas K, Santer M. Views and experiences of managing eczema: systematic review and thematic synthesis of qualitative studies*. Br J Dermatol 2020; 184:627-637. [DOI: 10.1111/bjd.19299] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2020] [Indexed: 02/06/2023]
Affiliation(s)
- E. Teasdale
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
| | - I. Muller
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
| | - K. Sivyer
- Centre for Clinical and Community Applications of Health Psychology University of Southampton Southampton UK
| | - D. Ghio
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
| | - K. Greenwell
- Centre for Clinical and Community Applications of Health Psychology University of Southampton Southampton UK
| | - S. Wilczynska
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
| | - A. Roberts
- Patient and Public Contributor Nottingham UK
| | - M.J. Ridd
- Department of Population Health SciencesUniversity of Bristol BristolUK
| | - N. Francis
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
| | - L. Yardley
- Centre for Clinical and Community Applications of Health Psychology University of Southampton Southampton UK
- School of Experimental Psychology University of Bristol Bristol UK
| | - K.S. Thomas
- Centre for Evidence Based Dermatology University of Nottingham Nottingham UK
| | - M. Santer
- Department of Primary Care, Population Science and Medical Education Faculty of MedicineUniversity of Southampton SouthamptonUK
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26
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Kravvas G, Ge L, Ng J, Shim TN, Doiron PR, Watchorn R, Kentley J, Panou E, Dinneen M, Freeman A, Jameson C, Haider A, Francis N, Minhas S, Alnajjar H, Muneer A, Bunker CB. The management of penile intraepithelial neoplasia (PeIN): clinical and histological features and treatment of 345 patients and a review of the literature. J DERMATOL TREAT 2020; 33:1047-1062. [DOI: 10.1080/09546634.2020.1800574] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- G. Kravvas
- Department of Dermatology, University College London Hospitals, London, UK
| | - L. Ge
- Department of Dermatology, University College London Hospitals, London, UK
| | - J. Ng
- Department of Dermatology, Chelsea & Westminster Hospital, London, UK
| | - T. N. Shim
- Department of Dermatology, University College London Hospitals, London, UK
| | - P. R. Doiron
- Department of Dermatology, University College London Hospitals, London, UK
| | - R. Watchorn
- Department of Dermatology, University College London Hospitals, London, UK
| | - J. Kentley
- Department of Dermatology, Chelsea & Westminster Hospital, London, UK
| | - E. Panou
- Department of Dermatology, University College London Hospitals, London, UK
| | - M. Dinneen
- Department of Urology, Chelsea & Westminster Hospital, London, UK
| | - A. Freeman
- Department of Histopathology, University College London Hospitals, London, UK
| | - C. Jameson
- Department of Histopathology, University College London Hospitals, London, UK
| | - A. Haider
- Department of Histopathology, University College London Hospitals, London, UK
| | - N. Francis
- Department of Histopathology, Imperial College Hospitals, London, UK
| | - S. Minhas
- Department of Urology, Imperial College Hospitals, London, UK
| | - H. Alnajjar
- Department of Urology, University College London Hospitals, London, UK
| | - A. Muneer
- Department of Urology, University College London Hospitals, London, UK
| | - C. B. Bunker
- Department of Dermatology, University College London Hospitals, London, UK
- Department of Dermatology, Chelsea & Westminster Hospital, London, UK
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27
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Francis N, Penna M, Carter F, Mortensen NJ, Hompes R, Bandyopadhyay D, Black J, Campbell K, Chadwick M, Chase K, Chitsabesen P, Coleman M, Dalton S, Doeve J, Hendrickse C, Katory M, Knol J, Lee L, McArthur D, Miles T, Miskovic D, Ng P, Nicol D, Samad A, Talwar A, Kochupapy RT, Theobald I, Wegstapel H, West N, Wood S, Wynn G, Ziyaie D. Development and early outcomes of the national training initiative for transanal total mesorectal excision in the UK. Colorectal Dis 2020; 22:756-767. [PMID: 32065425 DOI: 10.1111/codi.15022] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 02/11/2020] [Indexed: 12/17/2022]
Abstract
AIM Transanal total mesorectal excision (TaTME) has attracted substantial interest amongst colorectal surgeons but its technical challenges may underlie the early reports of visceral injuries and oncological concerns. The aim of this study was to report on the feasibility, development and the outcome of the national pilot training initiative for TaTME-UK. METHODS TaTME-UK was successfully launched in September 2017 in partnership with the healthcare industry and endorsed by the Association of Coloproctology of Great Britain and Ireland. This multi-modal training curriculum consisted of three phases: (i) set-up; (ii) selection of pilot sites; and (iii) formal proctorship programme. Bespoke Global Assessment Scoring (GAS) forms were designed and completed by both trainees and mentors. Data were collected on patient demographics, tumour characteristics and perioperative clinical and histological outcomes. RESULTS Twenty-four proctored cases were performed by 10 colorectal surgeons from five selected pilot sites. Median operative time was 331 ± 90 (195-610) min which was reduced to 283 ± 62 (195-340) min in the final case. Independent performance (GAS score of 5) was achieved for most operative steps by case 5. There was one conversion (4.2%), but no visceral injuries. Pathological data confirmed no bowel perforation and intact quality of the mesorectal TME specimens with clear distal margin in all cases and circumferential margins in 23/24 cases (96%). CONCLUSION This exploratory study demonstrates acceptable early outcomes in a small cohort suggesting that a competency-based multi-modal training programme for TaTME can be feasible and safe to implement at a national level.
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Affiliation(s)
- N Francis
- Department of Colorectal Surgery, Yeovil District Hospital Foundation Trust, Yeovil, UK.,Division of Surgery and Interventional Science, University College London, London, UK.,Faculty of Science, University of Bath, Bath, UK
| | - M Penna
- Department of Colorectal Surgery, Churchill Hospital, University Hospitals of Oxford, Oxford, UK.,Department of Surgery and Cancer, Imperial College London, London, UK
| | - F Carter
- South West Surgical Training Network c.i.c., Yeovil, UK
| | - N J Mortensen
- Department of Colorectal Surgery, Churchill Hospital, University Hospitals of Oxford, Oxford, UK
| | - R Hompes
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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28
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McLean KA, Ahmed WUR, Akhbari M, Claireaux HA, English C, Frost J, Henshall DE, Khan M, Kwek I, Nicola M, Rehman S, Varghese S, Drake TM, Bell S, Nepogodiev D, McLean KA, Drake TM, Glasbey JC, Borakati A, Drake TM, Kamarajah S, McLean KA, Bath MF, Claireaux HA, Gundogan B, Mohan M, Deekonda P, Kong C, Joyce H, Mcnamee L, Woin E, Burke J, Khatri C, Fitzgerald JE, Harrison EM, Bhangu A, Nepogodiev D, Arulkumaran N, Bell S, Duthie F, Hughes J, Pinkney TD, Prowle J, Richards T, Thomas M, Dynes K, Patel M, Patel P, Wigley C, Suresh R, Shaw A, Klimach S, Jull P, Evans D, Preece R, Ibrahim I, Manikavasagar V, Smith R, Brown FS, Deekonda P, Teo R, Sim DPY, Borakati A, Logan AE, Barai I, Amin H, Suresh S, Sethi R, Bolton W, Corbridge O, Horne L, Attalla M, Morley R, Robinson C, Hoskins T, McAllister R, Lee S, Dennis Y, Nixon G, Heywood E, Wilson H, Ng L, Samaraweera S, Mills A, Doherty C, Woin E, Belchos J, Phan V, Chouari T, Gardner T, Goergen N, Hayes JDB, MacLeod CS, McCormack R, McKinley A, 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Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Saji N, Francis N, Schwarz LJ, Blanchard CL, Santhakumar AB. Rice Bran Phenolic Extracts Modulate Insulin Secretion and Gene Expression Associated with β-Cell Function. Nutrients 2020; 12:nu12061889. [PMID: 32599958 PMCID: PMC7353197 DOI: 10.3390/nu12061889] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/14/2020] [Accepted: 06/20/2020] [Indexed: 12/21/2022] Open
Abstract
Oxidative stress is known to modulate insulin secretion and initiate gene alterations resulting in impairment of β-cell function and type 2 diabetes mellitus (T2DM). Rice bran (RB) phenolic extracts contain bioactive properties that may target metabolic pathways associated with the pathogenesis of T2DM. This study aimed to examine the effect of stabilized RB phenolic extracts on the expression of genes associated with β-cell function such as glucose transporter 2 (Glut2), pancreatic and duodenal homeobox 1 (Pdx1), sirtuin 1 (Sirt1), mitochondrial transcription factor A (Tfam), and insulin 1 (Ins1) in addition to evaluating its impact on glucose-stimulated insulin secretion. It was observed that treatment with different concentrations of RB phenolic extracts (25-250 µg/mL) significantly increased the expression of Glut2, Pdx1, Sirt1, Tfam, and Ins1 genes and glucose-stimulated insulin secretion under both normal and high glucose conditions. RB phenolic extracts favourably modulated the expression of genes involved in β-cell dysfunction and insulin secretion via several mechanisms such as synergistic action of polyphenols targeting signalling molecules, decreasing free radical damage by its antioxidant activity, and stimulation of effectors or survival factors of insulin secretion.
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Affiliation(s)
- Nancy Saji
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Nidhish Francis
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Animal and Veterinary Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Lachlan J. Schwarz
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Agricultural and Wine Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Christopher L. Blanchard
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Abishek B. Santhakumar
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
- Correspondence: ; Tel.: +61-2-6933-2678
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Saji N, Francis N, Schwarz LJ, Blanchard CL, Santhakumar AB. The Antioxidant and Anti-Inflammatory Properties of Rice Bran Phenolic Extracts. Foods 2020; 9:foods9060829. [PMID: 32599964 PMCID: PMC7353521 DOI: 10.3390/foods9060829] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 12/26/2022] Open
Abstract
Oxidative stress and inflammation are known to be linked to the development of chronic inflammatory conditions, such as type 2 diabetes and cardiovascular disease. Dietary polyphenols have been demonstrated to contain potent bioactivity against specific inflammatory pathways. Rice bran (RB), a by-product generated during the rice milling process, is normally used in animal feed or discarded due to its rancidity. However, RB is known to be abundant in bioactive polyphenols including phenolic acids. This study investigates the antioxidant and anti-inflammatory effects of RB phenolic extracts (25, 50, 100, and 250 µg/mL) on RAW264.7 mouse macrophage cells stimulated with hydrogen peroxide and lipopolysaccharide. Biomarkers of oxidative stress and inflammation such as malondialdehyde (MDA), intracellular reactive oxygen species, nitric oxide and pro-inflammatory cytokines such as interleukin-6 (IL-6), monocyte chemoattractant protein 1 (MCP-1), interleukin-10 (IL-10), tumor necrosis factor-α (TNF-α), interleukin-12, p70 (IL-12p70), and interferon-γ (IFN-γ) were measured in vitro. Treatment with RB extracts significantly decreased the production of MDA, intracellular reactive oxygen species, nitric oxide and pro-inflammatory cytokines (IL-6, IL-12p70, and IFN-γ) when compared to the control. It is proposed that RB phenolic extracts, via their metal chelating properties and free radical scavenging activity, target pathways of oxidative stress and inflammation resulting in the alleviation of vascular inflammatory mediators.
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Affiliation(s)
- Nancy Saji
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Nidhish Francis
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Animal and Veterinary Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Lachlan J. Schwarz
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Agricultural and Wine Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Christopher L. Blanchard
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
| | - Abishek B. Santhakumar
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; (N.S.); (N.F.); (L.J.S.); (C.L.B.)
- School of Biomedical Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia
- Correspondence: ; Tel.: +61-2-6933-2678
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Jahan M, Francis N, Wang B. Milk lactoferrin concentration of primiparous and multiparous sows during lactation. J Dairy Sci 2020; 103:7521-7530. [PMID: 32448579 DOI: 10.3168/jds.2020-18148] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/18/2020] [Indexed: 01/21/2023]
Abstract
Lactoferrin (LF), a sialylated iron-binding glycoprotein, has numerous vital physiological functions including immunomodulation and protection against a large group of microorganisms, improving neurodevelopment, health, growth performance, and milk production. Lactoferrin occurs in human milk at a higher concentration compared with bovine milk, but little information is available on LF concentrations in porcine milk and the effects of sow parity on milk LF concentration. The objective of this study was to quantify the LF concentration in porcine milk and to compare that concentration between gilts and sows during lactation. We also investigated the effect of genetic background and litter size of the female pig on the LF concentration of porcine milk. The milk from 30 gilts and 35 sows was collected at 3 stages of lactation, namely colostrum, transition, and mature milk. Standard and experimental samples were analyzed by ultra-high performance liquid chromatography using a diode array UV detector. The following findings were reported: (1) porcine milk contained significant levels of LF with the highest concentration in colostrum, which decreased by ∼62% and ∼67% in transitional and mature milk, respectively; (2) mature gilt milk contained a 22% higher concentration of LF compared with sow milk, which was statistically significant; (3) breed line had an overall significant effect on the LF content of porcine milk; however, when the breed was considered, no significant difference was observed; and (4) LF concentration of porcine milk was not significantly influenced by the litter size. The presence of LF in a higher concentration in porcine milk suggests that LF is an important constituent of pig milk that might contribute to the optimum growth and development of piglets.
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Affiliation(s)
- M Jahan
- Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2678, Australia
| | - N Francis
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2678, Australia
| | - B Wang
- Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia; School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW 2678, Australia.
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Kang GG, Francis N, Hill R, Waters D, Blanchard C, Santhakumar AB. Dietary Polyphenols and Gene Expression in Molecular Pathways Associated with Type 2 Diabetes Mellitus: A Review. Int J Mol Sci 2019; 21:ijms21010140. [PMID: 31878222 PMCID: PMC6981492 DOI: 10.3390/ijms21010140] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/13/2019] [Accepted: 12/18/2019] [Indexed: 02/07/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a complex metabolic disorder with various contributing factors including genetics, epigenetics, environment and lifestyle such as diet. The hallmarks of T2DM are insulin deficiency (also referred to as β-cell dysfunction) and insulin resistance. Robust evidence suggests that the major mechanism driving impaired β-cell function and insulin signalling is through the action of intracellular reactive oxygen species (ROS)-induced stress. Chronic high blood glucose (hyperglycaemia) and hyperlipidaemia appear to be the primary activators of these pathways. Reactive oxygen species can disrupt intracellular signalling pathways, thereby dysregulating the expression of genes associated with insulin secretion and signalling. Plant-based diets, containing phenolic compounds, have been shown to exhibit remedial benefits by ameliorating insulin secretion and insulin resistance. The literature also provides evidence that polyphenol-rich diets can modulate the expression of genes involved in insulin secretion, insulin signalling, and liver gluconeogenesis pathways. However, whether various polyphenols and phenolic compounds can target specific cellular signalling pathways involved in the pathogenesis of T2DM has not been elucidated. This review aims to evaluate the modulating effects of various polyphenols and phenolic compounds on genes involved in cellular signalling pathways (both in vitro and in vivo from human, animal and cell models) leading to the pathogenesis of T2DM.
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Affiliation(s)
- Gideon Gatluak Kang
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Wagga Wagga, NSW 2650, Australia; (G.G.K.); (N.F.); (D.W.); (C.B.)
- School of Biomedical Sciences, Charles Sturt University, NSW 2650, Australia;
| | - Nidhish Francis
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Wagga Wagga, NSW 2650, Australia; (G.G.K.); (N.F.); (D.W.); (C.B.)
- School of Animal and Veterinary Sciences, Charles Sturt University, NSW 2650, Australia
| | - Rodney Hill
- School of Biomedical Sciences, Charles Sturt University, NSW 2650, Australia;
| | - Daniel Waters
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Wagga Wagga, NSW 2650, Australia; (G.G.K.); (N.F.); (D.W.); (C.B.)
- School of Biomedical Sciences, Charles Sturt University, NSW 2650, Australia;
| | - Christopher Blanchard
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Wagga Wagga, NSW 2650, Australia; (G.G.K.); (N.F.); (D.W.); (C.B.)
- School of Biomedical Sciences, Charles Sturt University, NSW 2650, Australia;
| | - Abishek Bommannan Santhakumar
- Australian Research Council (ARC) Industrial Transformation Training Centre (ITTC) for Functional Grains, Graham Centre for Agricultural Innovation, Wagga Wagga, NSW 2650, Australia; (G.G.K.); (N.F.); (D.W.); (C.B.)
- School of Biomedical Sciences, Charles Sturt University, NSW 2650, Australia;
- Correspondence: ; Tel.: +61-2-6933-2678
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Patel M, Lee S, Akyea R, Grindlay D, Francis N, Levell N, Smart P, Kai J, Thomas K. 针对下肢蜂窝织炎开发的诊断辅助. Br J Dermatol 2019. [DOI: 10.1111/bjd.18581] [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]
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Patel M, Lee S, Akyea R, Grindlay D, Francis N, Levell N, Smart P, Kai J, Thomas K. Diagnostic aids developed for lower‐limb cellulitis. Br J Dermatol 2019. [DOI: 10.1111/bjd.18569] [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: 10/25/2022]
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Jahan M, Francis N, Wang B. Serum lactoferrin concentration of primiparous sow during gestation and lactation, and comparison between sow-fed and formula-fed piglets. Transl Anim Sci 2019; 3:1410-1415. [PMID: 32704905 PMCID: PMC7200499 DOI: 10.1093/tas/txz145] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 09/19/2019] [Indexed: 11/13/2022] Open
Abstract
Lactoferrin (LF) is a sialylated iron-binding glycoprotein, occurring in several biological secretions like milk, saliva, and seminal fluids and is a major component of a mammalian innate immune system. It plays multiple protective roles against large group of microorganisms and performs anti-inflammatory and anti-cancer activities. The concentration of serum LF in gilt (primiparous sow) and their piglets remains unknown. We determined serum LF concentration in gilts during gestation and lactation to that of 19-d-old piglets, including sow-fed and formula-fed piglets using enzyme-linked immunosorbent assay (ELISA). We found that the concentration of serum LF in gilts varied during gestation (0.77 ± 0.10 µg/mL) and lactation (0.62 ± 0.11 µg/mL). The mean concentration of serum LF in gilts (0.72 ± 0.06 µg/mL) was significantly higher than that of piglets (0.42 ± 0.07 µg/mL, P = 0.004). Additionally, a marginal significant difference (P =0.06) was observed for serum LF concentration in sow-fed piglets (0.42 ± 0.03 µg/mL) at 19 d old compared to that of formula-fed piglets (0.33 ± 0.04 µg/mL) at 37 d old. This study provides noble information regarding the serum LF concentration in the healthy gilts and piglets and thereby the data can be used as a standard reference point for future studies on the role of LF in pig reproduction.
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Affiliation(s)
- Marefa Jahan
- Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW, Australia.,School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Nidhish Francis
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Bing Wang
- Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW, Australia.,School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia
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Noy ML, Abdolrasouli A, Borman AM, Fraser M, Francis N, Moore LSP, Merika EE. Cutaneotrichosporon
(
Trichosporon
)
debeurmannianum
associated with a subcutaneous mycotic cyst successfully treated with voriconazole. Clin Exp Dermatol 2019; 45:250-253. [PMID: 31332809 DOI: 10.1111/ced.14037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2019] [Indexed: 11/29/2022]
Affiliation(s)
- M. L. Noy
- Department of DermatologyChelsea and Westminster Hospital LondonUK
| | - A. Abdolrasouli
- Department of Medical Microbiology, North West London Pathology Imperial College Healthcare NHS Trust London UK
| | - A. M. Borman
- National Mycology Reference Laboratory Public Health England Bristol UK
| | - M. Fraser
- National Mycology Reference Laboratory Public Health England Bristol UK
| | - N. Francis
- Department of Histopathology, Charing Cross Hospital Imperial College London London UK
| | - L. S. P. Moore
- Department of Medical Microbiology, North West London Pathology Imperial College Healthcare NHS Trust London UK
- Clinical Infection Department Chelsea and Westminster Hospital London UK
- National Institute for Health Research Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance Imperial College London London UK
| | - E. E. Merika
- Department of DermatologyChelsea and Westminster Hospital LondonUK
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Patel M, Lee SI, Akyea RK, Grindlay D, Francis N, Levell NJ, Smart P, Kai J, Thomas KS. A systematic review showing the lack of diagnostic criteria and tools developed for lower-limb cellulitis. Br J Dermatol 2019; 181:1156-1165. [PMID: 30844076 PMCID: PMC6916392 DOI: 10.1111/bjd.17857] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [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] [Accepted: 03/02/2019] [Indexed: 01/07/2023]
Abstract
Background Cellulitis can be a difficult diagnosis to make. Furthermore, 31% of patients admitted from the emergency department with suspected lower‐limb cellulitis have been misdiagnosed, with incorrect treatment potentially resulting in avoidable hospital admission and the prescription of unnecessary antibiotics. Objectives We sought to identify diagnostic criteria or tools that have been developed for lower‐limb cellulitis. Methods We conducted a systematic review using Ovid MEDLINE and Embase databases in May 2018, with the aim of describing diagnostic criteria and tools developed for lower‐limb cellulitis, and we assessed the quality of the studies identified using the Quality Assessment of Diagnostic Accuracy Studies‐2 tool. We included all types of study that described diagnostic criteria or tools. Results Eight observational studies were included. Five studies examined biochemical markers, two studies assessed imaging and one study developed a diagnostic decision model. All eight studies were considered to have a high risk for bias in at least one domain. The quantity and quality of available data was low and results could not be pooled owing to the heterogeneity of the findings. Conclusions There is a lack of high‐quality publications describing criteria or tools for diagnosing lower‐limb cellulitis. Future studies using prospective designs, validated in both primary and secondary care settings, are needed. What's already known about this topic? Diagnosing lower‐limb cellulitis on first presentation is challenging. Approximately one in three patients admitted from the emergency department with suspected lower‐limb cellulitis do not have cellulitis and are given another diagnosis on discharge. Consequently, this results in potentially avoidable hospital admissions and the prescription of unnecessary antibiotics. There are no diagnostic criteria available for lower‐limb cellulitis in the U.K.
What does this study add? This systematic review has identified a key research gap in the diagnosis of lower‐limb cellulitis. There is a current lack of robustly developed and validated diagnostic criteria or tools for use in clinical practice.
Linked Comment: https://doi.org/10.1111/bjd.18317. https://doi.org/10.1111/bjd.18569 available online
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Affiliation(s)
- M Patel
- Division of Primary Care & National Institute for Health Research, School of Medicine, University of Nottingham, Nottingham, U.K
| | - S I Lee
- Division of Primary Care & National Institute for Health Research, School of Medicine, University of Nottingham, Nottingham, U.K
| | - R K Akyea
- Division of Primary Care & National Institute for Health Research, School of Medicine, University of Nottingham, Nottingham, U.K
| | - D Grindlay
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, U.K
| | - N Francis
- Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, U.K
| | - N J Levell
- Dermatology Department, Norfolk and Norwich University Hospital NHS Trust, Norwich, U.K
| | - P Smart
- Patient representative, University of Nottingham, Nottingham, U.K
| | - J Kai
- Division of Primary Care & National Institute for Health Research, School of Medicine, University of Nottingham, Nottingham, U.K
| | - K S Thomas
- Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, U.K
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Carter F, Davies J, Barlow R, Francis N, McDonald D, Grocott M. Prehabilitation in the UK: Outcomes of a national survey. Clin Nutr ESPEN 2019. [DOI: 10.1016/j.clnesp.2019.03.061] [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: 11/25/2022]
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Povey M, Francis N, Healy R, Blacker S, Vimalachandran D, Sutton PA. Awareness of surgical expenditure amongst UK trainees and consultants: A questionnaire study. Int J Surg 2019; 67:8-12. [PMID: 31022518 DOI: 10.1016/j.ijsu.2019.04.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/25/2019] [Accepted: 04/16/2019] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Limited knowledge of surgical device and service costs restricts a surgeon's ability to make cost efficient choices and contribute to the efficiency savings required by the NHS to reduce the financial deficit. This study aims to assess how aware surgeons are of surgical equipment and regularly used services. METHODS A single sided hard copy questionnaire asking for the estimate cost of 24 surgical devices/services was handed out to individuals at two separate UK annual conferences. Items and services which are regularly used and/or clinically significant were selected and, where possible, alternatives to those items were included for comparison. Participants were also asked for their grade and specialty. An estimate was deemed correct if it was within 20% of the actual cost. Planned subgroup analyses for grade and specialty were performed. RESULTS The 143 participants consisted of 23 (16%) consultants, 39 (27%) registrars, 33 (23%) SHOs and 48 (34%) foundation doctors. Of the 95 participants who were SHO grade or more senior, 67 (71%) work within general surgery. Across all items, only 9.6% of estimates were correct. There was no statistically significant difference between training levels (consultant 11.5%, registrar 10.1%, SHO 8.6%, foundation 8.9%; p = 0.253). Participants were significantly less successful in correctly estimating the cost of high value (>£150 [USD $198; EUR €175]) items (8.5% vs. 11.1%); p = 0.011, and the cost of devices as compared to the cost of services (7.4% vs. 15.0%); p = 0.001. CONCLUSION Surgeons across all grades and specialties have poor knowledge of device and service costs. It is important that this improves in order to allow surgeons to make a meaningful contribution to NHS efficiency savings by making informed decisions about their use of devices and services.
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Affiliation(s)
- M Povey
- Department of Surgery, Countess of Chester Hospital, Chester, UK.
| | - N Francis
- Department of Surgery, Barts Hospital, London, UK
| | - R Healy
- Department of Surgery, Countess of Chester Hospital, Chester, UK
| | - S Blacker
- Department of Surgery, St Helens and Knowsley Hospital, Liverpool, UK
| | - D Vimalachandran
- Department of Surgery, Countess of Chester Hospital, Chester, UK
| | - P A Sutton
- Department of Surgery, Countess of Chester Hospital, Chester, UK
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Keeler BD, Dickson EA, Simpson JA, Ng O, Padmanabhan H, Brookes MJ, Acheson AG, Banerjea A, Walter C, Maxwell‐Armstrong C, Williams J, Scholefield J, Robinson M, Vitish‐Sharma P, Bhandal N, Gornall C, Petsas A, Ward K, Pyke S, Johnson P, Cripps H, Williams G, Green M, Rankin J, Pinkney T, Iqbal T, Ward D, Tselepis C, Narewal M, Futaba K, Ghods‐Ghorbani M, Lund J, Theophilidou E, Peacock O, Longman R, Francis N, Spurdle K, Miskovic D, Moriarty C. The impact of pre‐operative intravenous iron on quality of life after colorectal cancer surgery: outcomes from the intravenous iron in colorectal cancer‐associated anaemia (IVICA) trial. Anaesthesia 2019; 74:714-725. [DOI: 10.1111/anae.14659] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2019] [Indexed: 12/21/2022]
Affiliation(s)
- B. D. Keeler
- Milton Keynes University Hospital NHS Foundation Trust Eaglestone UK
| | - E. A. Dickson
- NIHR Biomedical Research Unit in Gastrointestinal and Liver Diseases at Nottingham University Hospitals NHS Trust and the University of Nottingham UK
| | - J. A. Simpson
- Department of Colorectal Surgery Nottingham University Hospitals NHS Trust Nottingham UK
| | - O. Ng
- NIHR Biomedical Research Unit in Gastrointestinal and Liver Diseases at Nottingham University Hospitals NHS Trust and the University of Nottingham UK
| | - H. Padmanabhan
- New Cross Hospital Royal Wolverhampton NHS Trust Wolverhampton UK
| | - M. J. Brookes
- New Cross Hospital Royal Wolverhampton NHS Trust Wolverhampton UK
- University of Wolverhampton UK
| | - A. G. Acheson
- Department of Colorectal Surgery Nottingham University Hospitals NHS Trust Nottingham UK
- University of Nottingham UK
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Gustafsson UO, Scott MJ, Hubner M, Nygren J, Demartines N, Francis N, Rockall TA, Young-Fadok TM, Hill AG, Soop M, de Boer HD, Urman RD, Chang GJ, Fichera A, Kessler H, Grass F, Whang EE, Fawcett WJ, Carli F, Lobo DN, Rollins KE, Balfour A, Baldini G, Riedel B, Ljungqvist O. Guidelines for Perioperative Care in Elective Colorectal Surgery: Enhanced Recovery After Surgery (ERAS ®) Society Recommendations: 2018. World J Surg 2019; 43:659-695. [PMID: 30426190 DOI: 10.1007/s00268-018-4844-y] [Citation(s) in RCA: 936] [Impact Index Per Article: 187.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND This is the fourth updated Enhanced Recovery After Surgery (ERAS®) Society guideline presenting a consensus for optimal perioperative care in colorectal surgery and providing graded recommendations for each ERAS item within the ERAS® protocol. METHODS A wide database search on English literature publications was performed. Studies on each item within the protocol were selected with particular attention paid to meta-analyses, randomised controlled trials and large prospective cohorts and examined, reviewed and graded according to Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system. RESULTS All recommendations on ERAS® protocol items are based on best available evidence; good-quality trials; meta-analyses of good-quality trials; or large cohort studies. The level of evidence for the use of each item is presented accordingly. CONCLUSIONS The evidence base and recommendation for items within the multimodal perioperative care pathway are presented by the ERAS® Society in this comprehensive consensus review.
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Affiliation(s)
- U O Gustafsson
- Department of Surgery, Danderyd Hospital and Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Stockholm, Sweden.
| | - M J Scott
- Department of Anesthesia, Virginia Commonwealth University Hospital, Richmond, VA, USA
- Department of Anesthesiology, University of Pennsylvania, Philadelphia, USA
| | - M Hubner
- Department of Visceral Surgery, CHUV, Lausanne, Switzerland
| | - J Nygren
- Department of Surgery, Ersta Hospital and Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Stockholm, Sweden
| | - N Demartines
- Department of Visceral Surgery, CHUV, Lausanne, Switzerland
| | - N Francis
- Colorectal Unit, Yeovil District Hospital, Higher Kingston, Yeovil, BA21 4AT, UK
- University of Bath, Wessex House Bath, BA2 7JU, UK
| | - T A Rockall
- Department of Surgery, Royal Surrey County Hospital NHS Trust, and Minimal Access Therapy Training Unit (MATTU), Guildford, UK
| | - T M Young-Fadok
- Division of Colon and Rectal Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - A G Hill
- Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland Middlemore Hospital, Auckland, New Zealand
| | - M Soop
- Irving National Intestinal Failure Unit, The University of Manchester, Manchester Academic Health Science Centre, Salford Royal NHS Foundation Trust, Manchester, UK
| | - H D de Boer
- Department of Anesthesiology, Pain Medicine and Procedural Sedation and Analgesia, Martini General Hospital, Groningen, The Netherlands
| | - R D Urman
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - G J Chang
- Department of Surgical Oncology and Department of Health Services Research, The University of Texas, MD Anderson Cancer Center, Houston, TX, USA
| | - A Fichera
- Division of Gastrointestinal Surgery, Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - H Kessler
- Department of Colorectal Surgery, Digestive Disease Institute, Cleveland Clinic, Ohio, USA
| | - F Grass
- Department of Visceral Surgery, CHUV, Lausanne, Switzerland
| | - E E Whang
- Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - W J Fawcett
- Department of Anaesthesia, Royal Surrey County Hospital NHS Foundation Trust and University of Surrey, Guildford, UK
| | - F Carli
- Department of Anesthesia, McGill University Health Centre, Montreal General Hospital, Montreal, QC, Canada
| | - D N Lobo
- Gastrointestinal Surgery, Nottingham Digestive Diseases Centre and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Queen's Medical Centre, Nottingham, NG7 2UH, UK
| | - K E Rollins
- Gastrointestinal Surgery, Nottingham Digestive Diseases Centre and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Queen's Medical Centre, Nottingham, NG7 2UH, UK
| | - A Balfour
- Department of Colorectal Surgery, Surgical Services, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - G Baldini
- Department of Anesthesia, McGill University Health Centre, Montreal General Hospital, Montreal, QC, Canada
| | - B Riedel
- Department of Anaesthesia, Perioperative and Pain Medicine, Peter MacCallum Cancer Centre, University of Melbourne, Melbourne, Australia
| | - O Ljungqvist
- Department of Surgery, Örebro University and University Hospital, Örebro & Institute of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
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42
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Francis N, Ayodele BA, O'Brien-Simpson NM, Birchmeier W, Pike RN, Pagel CN, Mackie EJ. Keratinocyte-specific ablation of protease-activated receptor 2 prevents gingival inflammation and bone loss in a mouse model of periodontal disease. Cell Microbiol 2018; 20:e12891. [PMID: 30009515 DOI: 10.1111/cmi.12891] [Citation(s) in RCA: 5] [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] [Received: 04/23/2018] [Revised: 06/13/2018] [Accepted: 07/06/2018] [Indexed: 01/10/2023]
Abstract
Chronic periodontitis is characterised by gingival inflammation and alveolar bone loss. A major aetiological agent is Porphyromonas gingivalis, which secretes proteases that activate protease-activated receptor 2 (PAR2 ). PAR2 expressed on oral keratinocytes is activated by proteases released by P. gingivalis, inducing secretion of interleukin 6 (IL-6), and global knockout of PAR2 prevents bone loss and inflammation in a periodontal disease model in mice. To test the hypothesis that PAR2 expressed on gingival keratinocytes is required for periodontal disease pathology, keratinocyte-specific PAR2 -null mice were generated using K14-Cre targeted deletion of the PAR2 gene (F2rl1). These mice were subjected to a model of periodontitis involving placement of a ligature around a tooth, combined with P. gingivalis infection ("Lig + Inf"). The intervention caused a significant 44% decrease in alveolar bone volume (assessed by microcomputed tomography) in wildtype (K14-Cre:F2rl1wt/wt ), but not littermate keratinocyte-specific PAR2 -null (K14-Cre:F2rl1fl/fl ) mice. Keratinocyte-specific ablation of PAR2 prevented the significant Lig + Inf-induced increase (2.8-fold) in the number of osteoclasts in alveolar bone and the significant up-regulation (2.4-4-fold) of the inflammatory markers IL-6, IL-1β, interferon-γ, myeloperoxidase, and CD11b in gingival tissue. These data suggest that PAR2 expressed on oral epithelial cells is a critical regulator of periodontitis-induced bone loss and will help in designing novel therapies with which to treat the disease.
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Affiliation(s)
- Nidhish Francis
- Department of Veterinary Biosciences, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
| | - Babatunde A Ayodele
- Department of Veterinary Biosciences, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
| | - Neil M O'Brien-Simpson
- Melbourne Dental School, Bio21 Institute, University of Melbourne, Parkville, Victoria, Australia
| | | | - Robert N Pike
- La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria, Australia
| | - Charles N Pagel
- Department of Veterinary Biosciences, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
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43
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Shim TN, Doiron PR, Francis N, Minhas S, Muneer A, Hawkins D, Dinneen M, Bunker CB. Penile lymphoedema: approach to investigation and management. Clin Exp Dermatol 2018; 44:20-31. [PMID: 30009576 DOI: 10.1111/ced.13609] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2017] [Indexed: 01/24/2023]
Abstract
BACKGROUND Penile lymphoedema (with and without cellulitis) is a rare, often chronic, clinically heterogeneous entity with an uncertain pathogenesis and an important differential diagnosis. It creates significant physical and psychosexual morbidity, and presents considerable therapeutic challenges. The existing literature is limited. AIM To describe and share our updated cumulative experience of a cohort of patients with penile lymphoedema. METHODS This was a retrospective review of the case records of patients with chronic penile lymphoedema seen in two dedicated male genital dermatology clinics between January 2011 and July 2016. RESULTS In total, 41 cases were identified. Over a third had Crohn disease (CD) (which was occult in one-third of these), and over a third had serological evidence of streptococcal infection. All patients responded to systemic antibiotics and specialized urological surgery circumcision and excision). CONCLUSIONS Penile lymphoedema should be investigated to exclude underlying pathology especially CD and streptococcal infection. Treatment with antibiotics should be considered early and long term to try to preserve the foreskin: most patients are uncircumcised. Some patients may benefit from a course or courses of oral steroids. The development of gross dysfunction of the prepuce usually dictates circumcision and excision of lymphoedematous tissue once the situation is medically stabilized.
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Affiliation(s)
- T N Shim
- Department of Dermatology, University Hospital, Coventry, West Midlands, UK.,Department of Dermatology, Chelsea and Westminster Hospital, London, UK.,Department of Dermatology, University College Hospital, London, UK
| | - P R Doiron
- Department of Dermatology, Chelsea and Westminster Hospital, London, UK.,Department of Dermatology, University College Hospital, London, UK.,Department of Dermatology, University of Toronto, Faculty of Medicine, Toronto, Canada
| | - N Francis
- Department of Pathology, Charing Cross Hospital, London, UK
| | - S Minhas
- Department of Urology, Charing Cross Hospital, London, UK.,Department of Urology, University College Hospital, London, UK
| | - A Muneer
- Department of Urology, University College Hospital, London, UK
| | - D Hawkins
- Department of HIV/GUM , Chelsea and Westminster Hospital, London, UK
| | - M Dinneen
- Department of Urology, Chelsea and Westminster Hospital, London, UK
| | - C B Bunker
- Department of Dermatology, Chelsea and Westminster Hospital, London, UK.,Department of Dermatology, University College Hospital, London, UK
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44
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Harky A, Francis N, Albanese A, Bashir M, Roberts N. Can teaching an effective technique reduce the incidence of pneumothorax post chest drain removal? Int J Surg 2018. [DOI: 10.1016/j.ijsu.2018.05.067] [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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45
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Harky A, Bashir M, Francis N, Barts Consortium of Surgeons, Roberts N, Uppal R. Stented vs Stentless aortic valve replacement in patients with small aortic root: A systematic review and meta-analysis. Int J Surg 2018. [DOI: 10.1016/j.ijsu.2018.05.068] [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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46
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Francis N, Rose T, Parrott A, Birtles P, Archer J, Alexander H. 4DOES A WEEKLY COMMUNITY GERIATRIC CLINIC IN PEACEHAVEN REDUCE HOSPITAL ATTENDANCES? Age Ageing 2017. [DOI: 10.1093/ageing/afx115.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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47
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Kravvas G, Veitch D, Doiron PR, Freeman A, Muneer A, Dinneen M, Francis N, Bunker CB. Recurrent penile squamous cell carcinoma in an elderly circumcised man. Clin Exp Dermatol 2017; 42:360-362. [PMID: 28218423 DOI: 10.1111/ced.13051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2016] [Indexed: 11/28/2022]
Affiliation(s)
- G Kravvas
- Department of Dermatology, University College London Hospitals, London, UK
| | - D Veitch
- Department of Dermatology, University College London Hospitals, London, UK
| | - P R Doiron
- Department of Dermatology, University College London Hospitals, London, UK
| | - A Freeman
- Department of Histopathology, University College London Hospitals, London, UK
| | - A Muneer
- Department of Urology, University College London Hospitals, London, UK
| | - M Dinneen
- Department of Urology, Chelsea & Westminster Hospital, London, UK
| | - N Francis
- Department of Histopathology, Chelsea & Westminster Hospital, London, UK
| | - C B Bunker
- Department of Dermatology, University College London Hospitals, London, UK.,Department of Dermatology, Chelsea & Westminster Hospital, London, UK
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48
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Singh M, Farquharson N, Owen C, Howat AJ, Singh S, Francis N, Calonje E. Morphoea with prominent plasma cell endoneuritis. Clin Exp Dermatol 2017; 42:196-199. [PMID: 28052367 DOI: 10.1111/ced.13029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2016] [Indexed: 12/29/2022]
Abstract
Morphoea (localized scleroderma) is a cutaneous inflammatory condition characterized by the development of indurated and discoloured plaques. The histological features of morphoea typically include a superficial and deep perivascular and periadnexal chronic inflammatory infiltrate associated with variable degrees of dermal and/or subcutaneous sclerosis. The infiltrate is typically composed of lymphocytes, macrophages and conspicuous plasma cells. The early stages of morphoea may have a very prominent inflammatory infiltrate associated with subtle sclerosis. In addition, the inflammatory infiltrate may show a perineural and rarely intraneural distribution. We report two cases of morphoea that histologically showed plasma cell endoneuritis associated with subtle dermal sclerosis. These two cases highlight the potential for diagnostic confusion with infectious and inflammatory diseases, particularly leprosy and lupus.
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Affiliation(s)
- M Singh
- Department of Dermatopathology, St Thomas' Hospital, London, UK
| | - N Farquharson
- Department of Dermatology, Royal Blackburn Hospital, Lancashire, UK
| | - C Owen
- Department of Dermatology, Royal Blackburn Hospital, Lancashire, UK
| | - A J Howat
- Department of Pathology, Royal Blackburn Hospital, Lancashire, UK
| | - S Singh
- Department of Dermatology, Chelsea & Westminster Hospital, London, UK
| | - N Francis
- Department of Pathology, Chelsea & Westminster Hospital, London, UK
| | - E Calonje
- Department of Dermatopathology, St Thomas' Hospital, London, UK
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49
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Hackett M, Francis N, Martin J, Seijo E, Kuba L, Deborah G. Validation and Implementation of a Quality Management Software System. Cytotherapy 2016. [DOI: 10.1016/j.jcyt.2016.03.108] [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]
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50
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Thomas LJ, Shim TN, Borysiewicz C, Dinneen M, Fawcett H, Roy A, Francis N, Bunker CB. Male genital lichen sclerosus in recipients of bone marrow transplants. Clin Exp Dermatol 2016; 41:495-7. [DOI: 10.1111/ced.12812] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2015] [Indexed: 12/31/2022]
Affiliation(s)
- L. J. Thomas
- Departments of Dermatology, Urology and Histopathology; University College Hospitals; London UK
- Chelsea and Westminster Hospital; London UK
| | - T. N. Shim
- Chelsea and Westminster Hospital; London UK
| | | | - M. Dinneen
- Chelsea and Westminster Hospital; London UK
| | - H. Fawcett
- Basingstoke and North Hampshire Hospital; Basingstoke Hampshire UK
| | - A. Roy
- Basingstoke and North Hampshire Hospital; Basingstoke Hampshire UK
| | | | - C. B. Bunker
- Departments of Dermatology, Urology and Histopathology; University College Hospitals; London UK
- Chelsea and Westminster Hospital; London UK
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