scholarly journals Perfusion and thermal conductivity parameter extraction, from thermal imaging, for the quantification of the diabetic foot disease

2020 ◽  
Author(s):  
V. Serantoni ◽  
F. Jourdan ◽  
H. Louche ◽  
A. Sultan
2019 ◽  
Vol 14 (1) ◽  
pp. 46-54 ◽  
Author(s):  
Rob F. M. van Doremalen ◽  
Jaap J. van Netten ◽  
Jeff G. van Baal ◽  
Miriam M. R. Vollenbroek-Hutten ◽  
Ferdinand van der Heijden

Background: Thermal assessment of the plantar surface of the foot using spot thermometers and thermal imaging has been proven effective in diabetic foot ulcer prevention. However, with traditional cameras this is limited to single spots or a two-dimensional (2D) view of the plantar side of foot, where only 50% of the ulcers occur. To improve ulcer detection, the view has to be extended beyond 2D. Our aim is to explore for proof of concept the combination of three-dimensional (3D) models with thermal imaging for inflammation detection in diabetic foot disease. Method: From eight participants with a current diabetic foot ulcer we simultaneously acquired a 3D foot model and three thermal infrared images using a high-resolution medical 3D imaging system aligned with three smartphone-based thermal infrared cameras. Using spatial transformations, we aimed to map thermal images onto the 3D model, to create the 3D visualizations. Expert clinicians assessed these for quality and face validity as +, +/-, -. Results: We could replace the texture maps (color definitions) of the 3D model with the thermal infrared images and created the first-ever 3D thermographs of the diabetic foot. We then converted these models to 3D PDF-files compatible with the hospital IT environment. Face validity was assessed as + in six and +/- in two cases. Conclusions: We have provided a proof of concept for the creation of clinically useful 3D thermal foot images to assess the diabetic foot skin temperature in 3D in a hospital IT environment. Future developments are expected to improve the image-processing techniques to result in easier, handheld applications and driving further research.


VASA ◽  
2001 ◽  
Vol 30 (Supplement 58) ◽  
pp. 21-27
Author(s):  
Luther

In diabetic foot disease, critical limb ischaemia (CLI) cannot be precisely described using established definitions. For clinical use, the Fontaine classification complemented with any objective verification of a reduced arterial circulation is sufficient for decision making. For scientific purposes, objective measurement criteria should be reported. Assessment of CLI should rely on the physical examination of the limb arteries, complemented by laboratory tests like the shape of the PVR curve at ankle or toe levels, and arteriography. The prognosis of CLI in diabetic foot disease depends on the success of arterial reconstruction. The best prognosis for the patients is with a preserved limb. Reconstructive surgery is the best choice for the majority of patients.


2006 ◽  
Vol 96 (3) ◽  
pp. 245-252 ◽  
Author(s):  
Javier La Fontaine ◽  
Lawrence B. Harkless ◽  
Christian E. Davis ◽  
Marque A. Allen ◽  
Paula K. Shireman

Microvascular dysfunction is an important component of the pathologic processes that occur in diabetic foot disease. The endothelial abnormalities observed in patients with diabetes mellitus are poorly understood, and evidence suggests that endothelial dysfunction could be involved in the pathogenesis of diabetic macroangiopathy and microangiopathy. With the advent of insulin replacement in the early 1900s and increased efforts toward metabolic control of diabetes, long-term complications of this disease have become apparent. These late-term complications are primarily disorders of the vascular system. This article reviews the process of microvascular dysfunction and how it may relate to the pathogenesis of diabetic foot problems. (J Am Podiatr Med Assoc 96(3): 245–252, 2006)


2012 ◽  
Vol 10 (8) ◽  
pp. S105
Author(s):  
Mustafa Khanbhai ◽  
Stavros Loukogeorgakis ◽  
Steven Hurel ◽  
Richards Toby

Author(s):  
Belissa Bedriñana-Marañón ◽  
Maria Rubio-Rodríguez ◽  
Marlon Yovera-Aldana ◽  
Eilhart Garcia-Villasante ◽  
Isabel Pinedo-Torres

The objective was to determine the association between a diabetes mellitus duration greater than 10 years and the severity of diabetic foot in hospitalized patients in Latin America. Analytical, observational, and retrospective study based in secondary databases. Patients older than 18 years with diagnosis of diabetes mellitus (DM) and hospitalized for any causes were included. The independent and dependent variables were having more than 10 years of diagnosis of DM and the severity of the diabetic foot disease (Wagner> = 2), respectively. A crude Poisson regression analysis was performed to obtain prevalence rates adjusted to confounders. Male gender was 54.8% and the median age was 62 years. In the group with more than10 years of disease (n = 903) 18% (n = 162) had severe injuries. We performed two Poisson regression analyzes, one of which included the entire sample; and in the other, only patients with some degree of ulcer were included at the time of evaluation (Wagner > = 1). In the first analysis the PR was 1.95 ( p < 0.01) adjusted for the significant variables in the bivariate analysis and in the second analysis the PR was 1.18 ( p < 0.01) adding to the adjustment the days of injury prior to hospitalization and the location of the ulcer. We conclude that in patients with more than 10 years of diabetes mellitus, diabetic foot injuries are more severe, regardless type of diabetes, gender, age, history of amputation and days of injury prior to hospitalization for inpatients in Latin America.


2021 ◽  
pp. 62-63
Author(s):  
R. Rani Suganya ◽  
M. Annapoorani ◽  
C. Naveen Kumar

Diabetes mellitus is a disease of large magnitude with 25 million people affected by the disease in India. One of the common complications of this disease is Diabetic foot disease characterised by non-healing ulcers over the foot predominantly. This study is aimed at evaluating the efcacy and tolerability of Recombinant Epidermal Growth Factor treatment in increasing the rate of healing of ulcers and decreasing the duration of ulcer healing among patients with diabetic foot disease thereby improving the quality of life, preventing further morbidity and mortality and shortening hospital stay.


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