• 3648 Citations
  • 24 h-Index
1992 …2020

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Article
2020

Accuracy of Peripheral Arterial Disease Registers in UK General Practice: Case-Control Study

Kyle, D., Boylan, L., Wilson, L., Haining, S., Oates, C., Sims, A., Guri, I., Allen, J., Wilkes, S. & Stansby, G., 22 Sep 2020, In : Journal of primary care & community health. (In-press), p. (In-press)

Research output: Contribution to journalArticle

Open Access
File

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

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)

Multimodal Photoplethysmography-Based Approaches for Improved Detection of Hypertension

Welykholowa, K., Hosanee, M., Chan, G., 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., 22 Apr 2020, In : Journal of Clinical Medicine. 9, 20 p., 1203.

Research output: Contribution to journalArticle

Open Access
File
1 Downloads (Pure)
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)

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)
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
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)

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)

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)

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

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)
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)

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

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)

Novel assessment of microvascular changes in idiopathic restless legs syndrome (Willis-Ekbom disease)

Anderson, K. N., Di Maria, C. & Allen, J., 9 Feb 2013, In : Journal of Sleep Research. 22, p. 315-321 7 p.

Research output: Contribution to journalArticle

Open Access
21 Citations (Scopus)

Role of medical thermography in treatment of Frey's syndrome with botulinium toxin A

Green, RJ., Endersby, S., Allen, J. & Adams, J., 18 Nov 2013, In : Br J Oral Maxillofac Surg . 52, 1, p. 90-92 3 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2012

Chronic fatigue syndrome and impaired peripheral pulse characteristics on orthostasisa new potential diagnostic biomarker

Allen, J., Murray, A., Di Maria, C. & Newton, J. L., 25 Jan 2012, In : Physiological Measurement. 33, 2, p. 231-241 11 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Laser Doppler assessment of dermal circulatory changes in people with coronary artery disease

Agarwal, S. C., Allen, J., Murray, A. & Purcell, I. F., 1 Jul 2012, In : Microvascular Research. 84, 1, p. 55-59 5 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2011

An algorithm for assessment of quality of ECGs acquired via mobile telephones

Langley, P., Di Marco, L. Y., King, S., Duncan, D., Di Maria, C., Duan, W., Bojarnejad, M., Zheng, D., Allen, J. & Murray, A., 2011, In : Computing in Cardiology. 38, p. 281-284 4 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

New conceptual and mathematical forms for the contour of volume wave of arterial pulse

Simón, A. P., Rodríguez, JEF-B. & Allen, J., Sep 2011, In : Revista Cubana de Investigaciones Biomedicas. 30, 4, p. 487-500 14 p.

Research output: Contribution to journalArticle

2009
22 Citations (Scopus)

Comment on: Micro magnetic resonance angiography of the finger in systemic sclerosis

McKay, N., Ottewell, L., Griffiths, B. & Allen, J., Mar 2009, In : Rheumatology. 48, 3, p. 321 1 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Comparative reproducibility of dermal microvascular blood flow changes in response to acetylcholine iontophoresis, hyperthermia and reactive hyperaemia

Agarwal, S. C., Allen, J., Murray, A. & Purcell, I. F. ., 26 Nov 2009, In : Physiological Measurement. 31, 1, p. 1-11 11 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)

Increased Pulse Wave Velocity and Blood Pressure in Children Who Have Undergone Cardiac Transplantation

Klinge, A., Allen, J., Murray, A. & O'Sullivan, J., 1 Jan 2009, In : Journal of Heart and Lung Transplantation. 28, 1, p. 21-25 5 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Microvascular optical assessment confirms the presence of peripheral autonomic dysfunction in primary biliary cirrhosis

Stevens, S., Allen, J., Murray, A., Jones, D. & Newton, J., 1 Oct 2009, In : Liver International. 29, 10, p. 1467-1472 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2008

A prospective comparison of bilateral photoplethysmography versus the ankle-brachial pressure index for detecting and quantifying lower limb peripheral arterial disease

Allen, J., Overbeck, K., Nath, A. F., Murray, A. & Stansby, G., 2008, In : Journal of Vascular Surgery. 47, 4, p. 794-802 9 p.

Research output: Contribution to journalArticle

56 Citations (Scopus)
2007

Autonomic dysfunction in dementia

Allan, L. M., Ballard, C. G., Allen, J., Murray, A., Davidson, A. W., McKeith, I. G. & Kenny, R. A., 15 Jun 2007, In : Journal of Neurology, Neurosurgery and Psychiatry. 78, 7, p. 671-677 7 p.

Research output: Contribution to journalArticle

152 Citations (Scopus)

Photoplethysmography and its application in clinical physiological measurement

Allen, J., 20 Feb 2007, In : Physiological Measurement. 28, 3

Research output: Contribution to journalArticle

1782 Citations (Scopus)