• 3651 Citations
  • 24 h-Index
1992 …2020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

2020

Age-related changes in pulse risetime measured by multi-site photoplethysmography

Allen, J., O'Sullivan, J., Stansby, G. & Murray, A., 3 Aug 2020, In : Physiological Measurement. 41, 7, 9 p., 074001.

Research output: Contribution to journalArticle

Open Access
File

Cuffless Single-Site Photoplethysmography for Blood Pressure Monitoring

Hosanee, M., Chan, G., Welykholowa, K., Cooper, R., Kyriacou, P. A., Zheng, D., Allen, J., Abbott, D., Menon, C., Lovell, N. H., Howard, N., Chan, W-S., Lim, K., Fletcher, R., Ward, R. & Elgendi, M., 7 Mar 2020, In : Journal of Clinical Medicine. 9, 3, 14 p., 723.

Research output: Contribution to journalReview article

Open Access
File
1 Downloads (Pure)

Infrared thermography and ulcer prevention in the high-risk diabetic foot: data from a single-blind multicentre controlled clinical trial

Petrova, N. L., Donaldson, N. K., Tang, W., MacDonald, A., Allen, J., Lomas, C., Leech, N., Ainarkar, S., Bevans, J., Plassmann, P., Kluwe, B., Ring, F., Whittam, A., Rogers, L., McMillan, J., Simpson, R., Donaldson, A. N. A., Machin, G. & Edmonds, M. E., Jan 2020, In : Diabetic Medicine. 37, 1, p. 95-104 10 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
2019

Between visit variability of thermal imaging of feet in people attending podiatric clinics with diabetic neuropathy at high risk of developing foot ulcers

Macdonald, A., Petrova, N., Ainarker, S., Allen, J., Lomas, C., Tang, W., Plassmann, P., Whittam, A., Bevans, J., Ring, F., Kluwe, B., Simpson, R., Rogers, L., Machin, G. & Edmonds, M., 2 Sep 2019, In : Physiological Measurement. 40, 8, 084004.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Focus collection on thermal imaging in medicine

Machin, G., Howell, K., Allen, J. & Simpson, R., 30 Oct 2019, In : Physiological Measurement. 40, 3 p., 100301.

Research output: Contribution to journalEditorial

1 Citation (Scopus)

Nailfold capillaroscopy - How many fingers should be examined to detect abnormality?

Dinsdale, G., Roberts, C., Moore, T., Manning, J., Berks, M., Allen, J., Anderson, M. E., Cutolo, M., Hesselstrand, R., Howell, K., Pizzorni, C., Smith, V., Sulli, A., Wildt, M., Taylor, C., Murray, A. & Herrick, A. L., Feb 2019, In : Rheumatology. 58, 2, p. 284–288 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Negotiating commissioning pathways for the successful implementation of innovative health technology in primary care

Maniatopoulos, G., Haining, S., Allen, J. & Wilkes, S., 6 Sep 2019, In : BMC Health Services Research. 19, 12 p., 648.

Research output: Contribution to journalArticle

Open Access
File

Nurses’ and patients’ experiences and preferences of the ankle-brachial pressure index and multi-site photoplethysmography for the diagnosis of peripheral arterial disease: A qualitative study

Scott, J., Lecouturier, J., Rousseau, N., Stansby, G., Sims, A., Wilson, L. & Allen, J., 7 Nov 2019, In : PLoS ONE. 14, 11, 15 p., e0224546.

Research output: Contribution to journalArticle

Open Access
File
1 Downloads (Pure)

Peripheral arterial disease diagnosis and management in primary care: A qualitative study

Lecouturier, J., Scott, J., Rousseau, N., Stansby, G., Sims, A. & Allen, J., 21 Aug 2019, In : BJGP Open. 3, 3, 11 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
Open Access
File

Recent development of respiratory rate measurement technologies

Liu, H., Allen, J., Zheng, D. & Chen, F., 2 Aug 2019, In : Physiological Measurement. 40, 7, 27 p.

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
22 Downloads (Pure)

Sensor Housing and Associated Disposable Element: Sensor and clip for PPG etc.

Allen, J., Beale, T. A. W. & Wightman, J. P., 22 Aug 2019, IPC No. A61B5/00, Patent No. US 2019/0254602 A1, 7 Nov 2017, Priority date 7 Nov 2016

Research output: Patent

1 Citation (Scopus)

Tissue oxygen saturation assessment of microvascular perfusion in adults with Fontan palliation and comparator groups using vascular optical spectrophotometry: A pilot study

Agarwal, R., Chaudhry, B., Jansen, K., O'Sullivan, J., Hudson, M., Allen, J. & Coats, L., 28 Jun 2019, In : Physiological Measurement. 40, 6, 06NT01.

Research output: Contribution to journalArticle

Open Access
File
2018

A Multicenter Study of the Validity and Reliability of Responses to Hand Cold Challenge as Measured by Laser Speckle Contrast Imaging and Thermography: Outcome Measures for Systemic Sclerosis Related Raynaud's Phenomenon

Wilkinson, J. D., Leggett, S. A., Marjanovic, E. J., Moore, T. L., Allen, J., Anderson, M. E., Britton, J., Buch, M. H., Del Galdo, F., Denton, C. P., Dinsdale, G., Griffiths, B., Hall, F., Howell, K., MacDonald, A., McHugh, N. J., Manning, J. B., Pauling, J. D., Roberts, C., Shipley, J. A. & 2 others, Herrick, A. L. & Murray, A. K., Jun 2018, In : Arthritis and Rheumatology. 70, 6, p. 903-911 9 p.

Research output: Contribution to journalArticle

Open Access
File
27 Citations (Scopus)

Innovative Multi-Site Photoplethysmography Analysis for Quantifying Pulse Amplitude and Timing Variability Characteristics in Peripheral Arterial Disease

Bentham, M., Stansby, G. & Allen, J., 17 Sep 2018, In : Diseases. 6, 3, 14 p., 81.

Research output: Contribution to journalArticle

Open Access
File

Novel optical assessments of tissue composition and viability using fluorescence spectroscopy and tissue oxygenation spectrophotometry in patients with systemic sclerosis: A pilot study

Allen, J., Di Maria, C., Urwin, S. G., Murray, A., Ottewell, L. & Griffiths, B., 2 Apr 2018, In : Physiological Measurement. 39, 3, 03NT02.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Novel Signal Noise Reduction Method through Cluster Analysis, Applied to Photoplethysmography

Waugh, W., Allen, J., Wightman, J., Sims, A. J. & Beale, T. A. W., 29 Jan 2018, In : Computational and Mathematical Methods in Medicine. 2018, 8 p., 6812404.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
3 Downloads (Pure)

Reliability of a novel thermal imaging system for temperature assessment of healthy feet

Petrova, N. L., Whittam, A., MacDonald, A., Ainarkar, S., Donaldson, A. N., Bevans, J., Allen, J., Plassmann, P., Kluwe, B., Ring, F., Rogers, L., Simpson, R., Machin, G. & Edmonds, M. E., 30 May 2018, In : Journal of Foot and Ankle Research. 11, 6 p., 22.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)

Systematic Review of Economic Models Used to Compare Techniques for Detecting Peripheral Arterial Disease

Moloney, E., O’Connor, J., Craig, D., Robalino, S., Chrysos, A., Javanbakht, M., Sims, A., Stansby, G., Wilkes, S. & Allen, J., 23 Apr 2018, In : PharmacoEconomics - Open. 3, p. 21–30 10 p.

Research output: Contribution to journalArticle

Open Access
File

The assessment of nailfold capillaries: Comparison of dermoscopy and nailfold videocapillaroscopy

Dinsdale, G., Peytrignet, S., Moore, T., Berks, M., Roberts, C., Manning, J., Allen, J., Anderson, M., Cutolo, M., Hesselstrand, R., Howell, K., Pizzorni, C., Smith, V., Sulli, A., Wildt, M., Taylor, C., Murray, A. & Herrick, A. L., Jun 2018, In : Rheumatology. 57, 6, p. 1115–1116 2 p.

Research output: Contribution to journalLetter

5 Citations (Scopus)
2017

A medical thermal imaging device for the prevention of diabetic foot ulceration

Machin, G., Whittam, A., Ainarkar, S., Allen, J., Bevans, J., Edmonds, M., Kluwe, B., Macdonald, A., Petrova, N., Plassmann, P., Ring, F., Rogers, L. & Simpson, R., 3 Feb 2017, In : Physiological Measurement. 38, 3, p. 420-430 11 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Development of a clinical thermal imaging and vascular optics measurement facility – the Newcastle upon Tyne experience

Allen, J., 2017, Innovative Research in Thermal Imaging for Biology and Medicine. Vardasca, R. & Mendes, J. G. (eds.). IGI Global, p. 1-33 33 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Exploratory Thermal Imaging Assessments of the Feet in Patients with Lower Limb Peripheral Arterial Disease

Kyle, D., Allen, J., Overbeck, K. & Stansby, G., 2017, Application of Infrared to Biomedical Sciences. Ng, E. YK. & Etehadtavakol, M. (eds.). 1 ed. Springer, Singapore, p. 249-263 15 p. ( Series in BioEngineering ).

Research output: Chapter in Book/Report/Conference proceedingChapter

Intra-and inter-observer reliability of nailfold videocapillaroscopy — A possible outcome measure for systemic sclerosis-related microangiopathy

Dinsdale, G., Moore, T., O'Leary, N., Tresadern, P., Berks, M., Roberts, C., Manning, J., Allen, J., Anderson, M. E., Cutolo, M., Hesselstrand, R., Howell, K., Pizzorni, C., Smith, V., Sulli, A., Wildt, M., Taylor, C., Murray, A. & Herrick, A. L., Jul 2017, In : Microvascular Research. 112, p. 1-6 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Intraoperative Thermal and Laser Speckle Contrast Imaging Assessment of Bowel Perfusion in Two Cases of Colorectal Resection Surgery

Di Maria, C., Hainsworth, P. J. & Allen, J., 2017, Application of Infrared to Biomedical Sciences. Ng, E. YK. & Etehadtavakol, M. (eds.). 1 ed. Springer, Singapore, p. 437-449 13 p. ( Series in BioEngineering).

Research output: Chapter in Book/Report/Conference proceedingChapter

Quantitative outcome measures for systemic sclerosis-related Microangiopathy – Reliability of image acquisition in Nailfold Capillaroscopy

Dinsdale, G., Moore, T., O'Leary, N., Berks, M., Roberts, C., Manning, J., Allen, J., Anderson, M. E., Cutolo, M., Hesselstrand, R., Howell, K., Pizzorni, C., Smith, V., Sulli, A., Wildt, M., Taylor, C., Murray, A. & Herrick, A. L., Sep 2017, In : Microvascular Research. 113, p. 56-59 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Reproducibility of thermal images: some healthy examples

Macdonald, A., Petrova, N., Ainarkar, S., Allen, J., Plassmann, P., Whittam, A., Bevans, J., Bevans, J., Kluwe, B., Simpson, R., Rogers, L., Machin, G. & Edmonds, M., 2017, Application of Infrared to Biomedical Science . Ng, E. Y. K. & Etehadtavakol, M. (eds.). 1 ed. Springer, Singapore, p. 265-276 12 p. ( Series in BioEngineering ).

Research output: Chapter in Book/Report/Conference proceedingChapter

Towards a consensus on the understanding and analysis of the pulse waveform: Results from the 2016 Workshop on Arterial Hemodynamics: Past, present and future

Segers, P., O'Rourke, M. F., Parker, K., Westerhof, N., Hughes, A., Participants of the 2016 Workshop on Arterial Hemodynamics: Past, present and future & Allen, J., 2017, In : Artery Research. 18, C, p. 75-80

Research output: Contribution to journalArticle

Open Access
19 Citations (Scopus)
2016
3 Citations (Scopus)

Thermal symmetry of healthy feet: A precursor to a thermal study of diabetic feet prior to skin breakdown

Macdonald, A., Petrova, N., Ainarkar, S., Allen, J., Plassmann, P., Whittam, A., Bevans, J., Ring, F., Kluwe, B., Simpson, R., Rogers, L., Machin, G. & Edmonds, M., 12 Dec 2016, In : Physiological Measurement. 38, 33.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2015

Combined intra-operative thermal and laser speckle contrast imaging to assess bowel perfusion

Di Maria, C., Allen, J. & Hainsworth, P., 30 Nov 2015, In : Microcirculation. 22, 7, p. 616-617 2 p.

Research output: Contribution to journalConference article

Exploratory thermal and laser speckle contrast imaging measurements of eye inflammation in a case of thyroid eye disease

Di Maria, C., Perros, P., Dickinson, J. & Allen, J., 2015, Infrared Imaging: A Casebook in Clinical Medicine. Ring, F., Jung, A. & Zuber, J. (eds.). IOP Publishing, 3 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Imaging assessments of patients with suspected systemic sclerosis and associated inflammatory lung disease

Allen, J., Burnett, S., Di Maria, C., Forrest, I. & Griffiths, B., Sep 2015, Infrared Imaging: A Casebook in Clinical Medicine. Ring, F., Jung, A. & Żuber, J. (eds.). IOP Publishing, 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Peripheral arterial disease: Diagnostic challenges and how photoplethysmography may help

Wilkes, S., Stansby, G., Sims, A., Haining, S. & Allen, J., Jun 2015, In : British Journal of General Practice. 65, 635, p. 323-324 2 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Quantifying the correlation between photoplethysmography and laser Doppler flowmetry microvascular low-frequency oscillations

Mizeva, I., Di Maria, C., Frick, P., Podtaev, S. & Allen, J., 12 Mar 2015, In : Journal of Biomedical Optics. 20, 3, 7 p., 037007.

Research output: Contribution to journalArticle

Open Access
File
19 Citations (Scopus)

Thermal imaging and its potential for arterio-venous fistula function assessment

Allen, J., Oates, C. & Talbot, D., Sep 2015, Infrared Imaging: A Casebook in Clinical Medicine. Ring, F., Jung, A. & Żuber, J. (eds.). 1 ed. IOP Publishing, 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Thermographic assessment of the presence of fatty tumours in myoclonic epilepsy with ragged red fibres

Allen, J. & Gorman, G., Sep 2015, Infrared Imaging: A Casebook in Clinical Medicine. Ring, F., Jung, A. & Żuber, J. (eds.). IOP Publishing, 2 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

The thermal imaging potential for assessing diabetic Charcot foot syndrome

Allen, J., Robertshaw, D. & Leech, N., Sep 2015, Infrared Imaging: A Casebook in Clinical Medicine. Ring, F., Jung, A. & Zuber, J. (eds.). 1 ed. IOP Publishing, 3 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2014

A pilot study of a new spectrophotometry device to measure tissue oxygen saturation

Abel, G., Allen, J. & Drinnan, M., 13 Aug 2014, In : Physiological Measurement. 35, 9, p. 1769-1780 12 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Microvascular imaging: Techniques and opportunities for clinical physiological measurements

Allen, J. & Howell, K., 9 Jun 2014, In : Physiological Measurement. 35, 7

Research output: Contribution to journalArticle

105 Citations (Scopus)

Novel photoplethysmography cardiovascular assessments in patients with Raynaud's phenomenon and systemic sclerosis: A pilot study

McKay, N. D., Griffiths, B., Di Maria, C., Hedley, S., Murray, A. & Allen, J., Oct 2014, In : Rheumatology. 53, 10, p. 1855-1863 9 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

Novel thermal imaging analysis technique for detecting inflammation in thyroid eye disease

Di Maria, C., Allen, J., Dickinson, J., Neoh, C. & Perros, P., 1 Dec 2014, In : Journal of Clinical Endocrinology and Metabolism. 99, 12, p. 4600-4606 7 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

Subject preparation and thermal acclimatization prior to mild cold challenge testing using dynamic thermal imaging

Allen, J., Young, AL. & Griffiths, B., 1 Jan 2014, In : Pan American Journal of Medical Thermology. 1, 1, p. 51-54 4 p.

Research output: Contribution to journalArticle

2013

A pilot study of photoplethysmographic peripheral pulse transit times in paediatric heart transplant recipients and healthy children

Di Maria, C., Sharkey, E., Klinge, A., Zheng, D., Murray, A., O'Sullivan, J. & Allen, J., 2013, In : Computing in Cardiology. 40, p. 491-494 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Beyond the ankle-brachial pressure index for the diagnosis of peripheral arterial disease - Time for a new look at photoplethysmography

Oates, C. P., Allen, J. & Stansby, G., 1 Oct 2013, In : Angiology. 64, 7, p. 492-493 2 p.

Research output: Contribution to journalEditorial

Open Access
8 Citations (Scopus)

Evaluation of three thermal imagers for skin temperature measurement using a blackbody source and a spatial resolution test object

Richards, RE., Allen, J., Howell, KJ. & Smith, RE., 1 Dec 2013, In : Thermology International. 23, 1, p. 17-23 7 p.

Research output: Contribution to journalArticle

Feasibility of monitoring vascular ageing by multi-site photoplethysmography

Di Maria, C., Sharkey, E., Klinge, A., Zheng, D., Murray, A., O'Sullivan, J. & Allen, J., 28 Jan 2013, Computing in Cardiology. IEEE, p. 817-820 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

9 Citations (Scopus)

Finger microvascular responses to deep inspiratory gasp assessed and quantified using wavelet analysis

Allen, J., Di Maria, C., Mizeva, I. & Podtaev, S., 17 Jun 2013, In : Physiological Measurement. 34, 7

Research output: Contribution to journalArticle

11 Citations (Scopus)