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Article ; Online: The impact of junior surgical jobs in cardiothoracic surgery on career choice in the United Kingdom.

Burnside, Nathan

General thoracic and cardiovascular surgery

2018 Volume 66, Issue 7, Page(s) 411–414

Abstract: Objectives: Cardiothoracic surgery is a small specialty, often with a limited presence on the undergraduate curriculum. In the past, there was a heavy reliance on postgraduate exposure to inform career choice. Recent changes in recruitment to the ... ...

Abstract	Objectives: Cardiothoracic surgery is a small specialty, often with a limited presence on the undergraduate curriculum. In the past, there was a heavy reliance on postgraduate exposure to inform career choice. Recent changes in recruitment to the specialty in the United Kingdom may reduce exposure of the best trainees to the specialty, and reduce the quality of future surgeons. This study will evaluate the impact of junior surgical jobs on future career preferences. Methods: We asked all 126 core surgical trainees in the Northern Ireland Deanery their surgical specialty preferences over 2 years. Trainees were asked for their first and second preferences on each occasion. In total 502 first and second preferences were declared. Past and present postings were then correlated with this information to see if working in a cardiothoracic unit impacted on specialty preference choices. Results: Cardiothoracic surgery is the least popular of all the surgical specialties amongst junior surgical trainees (3.6%)-with general surgery, breast surgery, and orthopaedic surgery, drawing 53% of trainees. In trainees who had previously worked in cardiothoracic surgery, 75% expressed a wish to return to the specialty, making it the most dominant. Conclusions: The role of junior surgical jobs in the specialty is immensely important on career choice. Moving to a more junior recruitment may exclude excellent candidates who have simply not experienced cardiothoracic surgery.
MeSH term(s)	Attitude of Health Personnel ; Career Choice ; Curriculum ; Female ; Humans ; Male ; Medical Staff, Hospital/psychology ; Surveys and Questionnaires ; Thoracic Surgical Procedures/education ; United Kingdom
Language	English
Publishing date	2018-04-21
Publishing country	Japan
Document type	Journal Article
ZDB-ID	2376888-5
ISSN	1863-6713 ; 1863-6705
ISSN (online)	1863-6713
ISSN	1863-6705
DOI	10.1007/s11748-018-0925-y
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Article ; Online: Muscle-sparing thoracotomy: Anatomy and technique.

Pumphrey, Oliver / Limbachia, Devan / Hawari, Mohammad / Weaver, Helen / Burnside, Nathan

Multimedia manual of cardiothoracic surgery : MMCTS

2021 Volume 2021

Abstract: The thoracotomy incision is essential for many thoracic surgery procedures. A number of different variations exist, and different techniques can be used, depending both on the patient and on the technical factors. The muscle-sparing technique was first ... ...

Abstract	The thoracotomy incision is essential for many thoracic surgery procedures. A number of different variations exist, and different techniques can be used, depending both on the patient and on the technical factors. The muscle-sparing technique was first described by Noirclerc et al. in 1973. [1] Initially, it was thought that preservation of the muscular structures compared with the results of a traditional posterolateral thoracotomy, in which the latissimus dorsi and sometimes the serratus anterior are often divided, would benefit long-term outcomes. However, subsequent study results have not demonstrated any difference in postoperative outcomes. The unequivocal benefit of a muscle-sparing approach is to preserve the latissimus dorsi for any future intervention, such as a procedure involving the chest wall and the intrathoracic flaps. In this video tutorial, we describe our approach to this commonly used incision, including the anatomy and the technical aspects used to provide optimal operative exposure and minimal postoperative complications while preserving the underlying musculature.
MeSH term(s)	Female ; Humans ; Intercostal Muscles/surgery ; Middle Aged ; Reconstructive Surgical Procedures/methods ; Superficial Back Muscles/anatomy & histology ; Superficial Back Muscles/surgery ; Surgical Flaps ; Thoracic Wall/anatomy & histology ; Thoracic Wall/surgery ; Thoracotomy/methods
Language	English
Publishing date	2021-03-09
Publishing country	England
Document type	Case Reports ; Video-Audio Media
ZDB-ID	2280156-X
ISSN	1813-9175 ; 1813-9175
ISSN (online)	1813-9175
ISSN	1813-9175
DOI	10.1510/mmcts.2021.017
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Article ; Online: Exponential trends in flowback chemistry from a hydraulically stimulated deep geothermal borehole in granite; Pohang, South Korea

Banks, D. / Burnside, N. / Westaway, R. / Zimmermann, G. / Hofmann, H.

E3S Web of Conferences

2019

Abstract: Samples of flowback water from a 4.3 km deep geothermal borehole in granite (Pohang, South Korea) were collected following a period of hydraulic stimulation by injection of surface water. Electrical conductivity, temperature and water chemistry of the ... ...

Abstract	Samples of flowback water from a 4.3 km deep geothermal borehole in granite (Pohang, South Korea) were collected following a period of hydraulic stimulation by injection of surface water. Electrical conductivity, temperature and water chemistry of the flowback water were measured. To a first approximation, the data conform closely to a simple ‘mixing tank’ model, with an exponential trend between two end members: an initial injected surface water to a more brackish ‘resident groundwater’ composition. Significant deviation from the ‘mixing tank’ trend would be an indication of significant recent water-rock interaction or other anomalous factors. Such a deviation can tentatively be seen in Na+/Cl- data, especially between 88 and 200 m3 flowback (2.8 to 8.8 hr).
Language	English
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Cardiac sarcoma causing mechanical tamponade: a radiological dilemma!

Burnside, Nathan / Jeganathan, Reuben

European heart journal

2015 Volume 36, Issue 48, Page(s) 3459

MeSH term(s)	Adult ; Cardiac Tamponade/diagnostic imaging ; Cardiac Tamponade/etiology ; Female ; Heart Neoplasms/complications ; Heart Neoplasms/diagnostic imaging ; Humans ; Sarcoma/complications ; Sarcoma/diagnostic imaging ; Tomography, X-Ray Computed
Language	English
Publishing date	2015-12-21
Publishing country	England
Document type	Case Reports ; Journal Article
ZDB-ID	603098-1
ISSN	1522-9645 ; 0195-668X
ISSN (online)	1522-9645
ISSN	0195-668X
DOI	10.1093/eurheartj/ehv165
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Article ; Online: Permeability and Mineralogy of the Újfalu Formation, Hungary, from Production Tests and Experimental Rock Characterization

Willems, C. / Cheng, C. / Watson, S. / Minto, J. / Williams, A. / Walls, D. / Milsch, H. / Burnside, N. / Westaway, R.

Energies

Implications for Geothermal Heat Projects

2021

Abstract: Hundreds of geothermal wells have been drilled in Hungary to exploit Pannonian Basin sandstones for district heating, agriculture, and industrial heating projects. Most of these sites suffer from reinjection issues, limiting efficient use of this vast ... ...

Abstract	Hundreds of geothermal wells have been drilled in Hungary to exploit Pannonian Basin sandstones for district heating, agriculture, and industrial heating projects. Most of these sites suffer from reinjection issues, limiting efficient use of this vast geothermal resource and imposing significant extra costs for the required frequent workovers and maintenance. To better understand the cause of this issue requires details of reservoir rock porosity, permeability, and mineralogy. However, publicly available data for the properties of reservoir rocks at geothermal project sites in Hungary is typically very limited, because these projects often omit or limit data acquisition. Many hydrocarbon wells in the same rocks are more extensively documented, but their core, log, or production data are typically decades old and unavailable in the public domain. Furthermore, because many Pannonian sandstone formations are poorly consolidated, coring was always limited and the collected core often unsuitable for conventional analysis, only small remnant fragments typically being available from legacy hydrocarbon wells. This study aims to reduce this data gap and to showcase methods to derive reservoir properties without using core for flow experiments. The methods are thin-section analysis, XRD analysis and mercury intrusion porosimetry, and X-CT scanning followed by numerical flow simulation. We validate our results using permeability data from conventional production testing, demonstrating the effectiveness of our method for detailed reservoir characterization and to better constrain the lateral variation in reservoir properties across the Pannonian Basin. By eliminating the need for expensive bespoke coring to obtain reservoir properties, such analysis will contribute to reducing the capital cost of developing geothermal energy projects, thus facilitating decarbonization of global energy supply.
Subject code	550
Publishing country	de
Document type	Article ; Online
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Article ; Online: Rapid water-rock interactions evidenced by hydrochemical evolution of flowback fluid during hydraulic stimulation of a deep geothermal borehole in granodiorite

Burnside, N. / Westaway, R. / Banks, D. / Zimmermann, G. / Hofmann, H. / Boyce, A.

Applied Geochemistry

Pohang, Korea

2019

Abstract: Flowback water from the 4215 m deep (True Vertical Depth) PX-1 borehole, following the August 2017 hydraulic stimulation of a granodiorite geothermal reservoir in Pohang, South Korea, was monitored for a suite of physicochemical, chemical and isotopic ... ...

Abstract	Flowback water from the 4215 m deep (True Vertical Depth) PX-1 borehole, following the August 2017 hydraulic stimulation of a granodiorite geothermal reservoir in Pohang, South Korea, was monitored for a suite of physicochemical, chemical and isotopic parameters. The results provide unique insights into mixing processes, fluid evolution and rapid water-rock interaction in a deep geothermal system. Injected water for stimulation was relatively fresh, oxidising surface water, with temperature 29.5 °C and pH c. 6.5. The flowback water showed an increasing content of most solutes, with the evolution conforming to an exponential ‘flushing’ model for conservative solutes such as chloride. Flowback water became progressively Na–Cl dominated, with a circumneutral pH (7.1) and negative oxidation-reduction potential (c. −180 mV). Some solutes (including, Na, K and Si) increased more rapidly than a flushing model would suggest, implying that these had been acquired by the flowback water due to mineral hydrolysis. Stable isotopes of O and H indicate that initially meteoric waters have undergone geothermal oxygen isotope exchange with minerals. Evolution of redox species in recovered water suggests progressively oxidising zonation around the injection borehole in an otherwise reducing reservoir. Rapidly increasing silica concentrations in flowback water suggests extensive quartz dissolution and indicated a reservoir temperature of up to 169 °C. This lends plausible, if equivocal support to the hypothesis that quartz dissolution by injection water may have contributed to triggering movement on the pre-stressed fault associated with the November 2017 Mw 5.5 Pohang earthquake.
Subject code	550
Language	English
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: A Review of the Hydrochemistry of a Deep Sedimentary Aquifer and Its Consequences for Geothermal Operation

Brehme, M. / Nowak, K. / Banks, D. / Petrauskas, S. / Valickas, R. / Bauer, K. / Burnside, N. / Boyce, A.

Geofluids

Klaipeda, Lithuania

2019

Abstract: The Klaipeda Geothermal Demonstration Plant (KGDP), Lithuania, exploits a hypersaline sodium-chloride (salinity c. 90 g/L) groundwater from a 1100 m deep Devonian sandstone/siltstone reservoir. The hydrogen and oxygen stable isotope composition is ... ...

Abstract	The Klaipeda Geothermal Demonstration Plant (KGDP), Lithuania, exploits a hypersaline sodium-chloride (salinity c. 90 g/L) groundwater from a 1100 m deep Devonian sandstone/siltstone reservoir. The hydrogen and oxygen stable isotope composition is relatively undepleted ( -4.5‰), while the δ34S is relatively “heavy” at +18.9‰. Hydrochemical and isotopic data support the existing hypothesis that the groundwater is dominated by a hypersaline brine derived from evapoconcentrated seawater, modified by water-rock interaction and admixed with smaller quantities of more recent glacial meltwater and/or interglacial recharge. The injectivity of the two injection boreholes has declined dramatically during the operational lifetime of the KGDP. Initially, precipitation of crystalline gypsum led to a program of rehabilitation and the introduction of sodium polyphosphonate dosing of the abstracted brine, which has prevented visible gypsum precipitation but has failed to halt the injectivity decline. While physical or bacteriological causes of clogging are plausible, evidence suggests that chemical causes cannot be excluded. Gypsum and barite precipitation could still occur in the formation, as could clogging with iron/manganese oxyhydroxides. One can also speculate that inhibitor dosing could cause clogging of pore throats with needles of calcium polyphosphonate precipitate.
Subject code	550
Language	English
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Fine scale plant community assessment in coastal meadows using UAV based multispectral data

Villoslada, M / Bergamo, T.F / Ward, R.D / Burnside, N.G / Joyce, C.B / Bunce, R.G.H / Sepp, K

Ecological indicators. 2020 Apr., v. 111

2020

Abstract: Coastal meadows worldwide are subjected to habitat degradation due to abandonment, intensification and the impacts of global change. In order to protect and restore these habitats and ensure the supply of valuable ecosystem services, it is necessary to ... ...

Abstract	Coastal meadows worldwide are subjected to habitat degradation due to abandonment, intensification and the impacts of global change. In order to protect and restore these habitats and ensure the supply of valuable ecosystem services, it is necessary to know the extent and location of plant communities in coastal meadows. In this study, five plant communities were mapped at very high resolution in three different study sites in West Estonia. A fixed wing UAV was used to obtain multispectral images and derive a set of vegetation indices. Two different image classification techniques were used to cluster the vegetation indices maps and produce plant community distribution maps. The highest classification accuracy was obtained using a Random Forest classifier and 13 vegetation indices. Additionally, the spectral characteristics of the training samples were correlated with aboveground biomass and species diversity. Both biomass and species diversity were positively correlated with the spectral diversity of training samples and are thus likely to have an effect on the classification accuracy. The results of this study highlight the need to utilize a wide array of vegetation indices and assess the spectral characteristics of training samples in order to obtain high classification accuracies and understand the nature of misclassification errors. The resulting maps provide a solid foundation for global change impact assessment and habitat management and restoration in coastal meadows.
Keywords	aboveground biomass ; ecosystems ; global change ; habitat destruction ; image analysis ; plant communities ; species diversity ; Estonia
Language	English
Dates of publication	2020-04
Publishing place	Elsevier Ltd
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	2036774-0
ISSN	1872-7034 ; 1470-160X
ISSN (online)	1872-7034
ISSN	1470-160X
DOI	10.1016/j.ecolind.2019.105979
Database	NAL-Catalogue (AGRICOLA)

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Article: Perioperative detection of circulating tumour cells in patients with lung cancer.

Chudasama, Dimple / Burnside, Nathan / Beeson, Julie / Karteris, Emmanouil / Rice, Alexandra / Anikin, Vladimir

Oncology letters

2017 Volume 14, Issue 2, Page(s) 1281–1286

Abstract: Lung cancer is a leading cause of mortality and despite surgical resection a proportion of patients may develop metastatic spread. The detection of circulating tumour cells (CTCs) may allow for improved prediction of metastatic spread and survival. The ... ...

Abstract	Lung cancer is a leading cause of mortality and despite surgical resection a proportion of patients may develop metastatic spread. The detection of circulating tumour cells (CTCs) may allow for improved prediction of metastatic spread and survival. The current study evaluates the efficacy of the ScreenCell® filtration device, to capture, isolate and propagate CTCs in patients with primary lung cancer. Prior to assessment of CTCs, the present study detected cancer cells in a proof-of-principle- experiment using A549 human lung carcinoma cells as a model. Ten patients (five males and five females) with pathologically diagnosed primary non-small cell lung cancer undergoing surgical resection, had their blood tested for CTCs. Samples were taken from a peripheral vessel at the baseline, from the pulmonary vein draining the lobe containing the tumour immediately prior to division, a further central sample was taken following completion of the resection, and a final peripheral sample was taken three days post-resection. A significant increase in CTCs was observed from baseline levels following lung manipulation. No association was able to be made between increased levels of circulating tumour cells and survival or the development of metastatic deposits. Manipulation of the lung during surgical resection for non-small cell lung carcinoma results in a temporarily increased level of CTCs; however, no clinical impact for this increase was observed. Overall, the study suggests the ScreenCell® device has the potential to be used as a CTC isolation tool, following further work, adaptations and improvements to the technology and validation of results.
Language	English
Publishing date	2017-06-09
Publishing country	Greece
Document type	Journal Article
ZDB-ID	2573196-8
ISSN	1792-1082 ; 1792-1074
ISSN (online)	1792-1082
ISSN	1792-1074
DOI	10.3892/ol.2017.6366
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Article ; Online: The phrenic nerve infiltration for ipsilateral shoulder pain.

Rychlik, Igor J / Burnside, Nathan / McManus, Kieran

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery

2012 Volume 41, Issue 3, Page(s) 716; author reply 716–7

MeSH term(s)	Anesthetics, Local/administration & dosage ; Female ; Humans ; Male ; Nerve Block/methods ; Pain, Postoperative/prevention & control ; Shoulder Pain/prevention & control ; Thoracotomy/adverse effects
Chemical Substances	Anesthetics, Local
Language	English
Publishing date	2012-03
Publishing country	Germany
Document type	Comment ; Letter
ZDB-ID	639293-3
ISSN	1873-734X ; 1010-7940 ; 1567-4258
ISSN (online)	1873-734X
ISSN	1010-7940 ; 1567-4258
DOI	10.1093/ejcts/ezr047
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