Photoplethysmography revisited: from contact to noncontact, from point to imaging

Y Sun, N Thakor - IEEE transactions on biomedical engineering, 2015 - ieeexplore.ieee.org
Photoplethysmography (PPG) is a noninvasive optical technique for detecting microvascular
blood volume changes in tissues. Its ease of use, low cost and convenience make it an …

Microvascular imaging: techniques and opportunities for clinical physiological measurements

J Allen, K Howell - Physiological measurement, 2014 - iopscience.iop.org
The microvasculature presents a particular challenge in physiological measurement
because the vessel structure is spatially inhomogeneous and perfusion can exhibit high …

In vivo imaging of the microcirculation of the volar forearm using correlation mapping optical coherence tomography (cmOCT)

J Enfield, E Jonathan, M Leahy - Biomedical optics express, 2011 - opg.optica.org
Correlation mapping optical coherence tomography (cmOCT) is a recently proposed
technique that extends the capabilities of OCT to enable mapping of vasculature networks …

'Go with the flow ': A review of methods and advancements in blood flow imaging

SM Daly, MJ Leahy - Journal of biophotonics, 2013 - Wiley Online Library
Physics has delivered extraordinary developments in almost every facet of modern life. From
the humble thermometer and stethoscope to X‐Ray, CT, MRI, ultrasound, PET and …

Comparison of instruments for investigation of microcirculatory blood flow and red blood cell concentration

J O'Doherty, P McNamara, NT Clancy… - … of biomedical optics, 2009 - spiedigitallibrary.org
The use of laser Doppler perfusion imaging (LDPI) and laser speckle perfusion imaging
(LSPI) is well known in the noninvasive investigation of microcirculatory blood flow. This …

Skin erythema and pigmentation: a review of optical assessment techniques

R Abdlaty, J Hayward, T Farrell, Q Fang - … and Photodynamic Therapy, 2021 - Elsevier
Background Skin erythema may present due to many causes. One of the common causes is
prolonged exposure to sun rays. Other than sun exposure, skin erythema is an …

Hyaluronic acid accelerates re-epithelialization and alters protein expression in a human wound model

E Nyman, J Henricson, B Ghafouri… - … Surgery–Global Open, 2019 - journals.lww.com
Background: Hyaluronic acid (HA), a large glycosaminoglycan involved in proliferation,
migration, and tissue repair, is suggested to be an important factor for keratinocyte activation …

The skin pathergy test: innately useful?

A Varol, O Seifert, CD Anderson - Archives of dermatological research, 2010 - Springer
Pathergy is the term used to describe hyper-reactivity of the skin that occurs in response to
minimal trauma. A positive skin pathergy test (SPT), characterised by erythematous …

Best new flaps and tips for success in microsurgery

E Brown, HP Suh, HH Han, CJ Pak… - Plastic and …, 2020 - journals.lww.com
Plastic surgery has a long history of innovation expanding the conditions we can treat, and
microsurgical reconstruction has played a pivotal role. Freestyle free flaps now create …

Non-invasive measurement of skin microvascular response during pharmacological and physiological provocations

F Iredahl, A Löfberg, F Sjöberg, S Farnebo… - PloS one, 2015 - journals.plos.org
Introduction Microvascular changes in the skin due to pharmacological and physiological
provocations can be used as a marker for vascular function. While laser Doppler flowmetry …