Infrared thermoimaging is one of the options for object temperature analysis. Infrared thermoimaging is unique due to the non-contact principle of measurement. So it is often used in medicine and for scientific experimental measurements. The presented work aims to determine whether the measurement results could be influenced by topical treatment of the hand surface by various substances. The authors attempted to determine whether the emissivity can be neglected or not in situations of topical application of substances such as ultrasound gel, ointment, disinfection, etc. The results of experiments showed that the value of surface temperature is more or less distorted by the topically applied substance. Our findings demonstrate the effect of emissivity of applied substances on resulting temperature and showed the necessity to integrate the emissivity into calculation of the final surface temperature. Infrared thermoimaging can be an appropriate method for determining the temperature of organisms, if this is understood as the surface temperature, and the surrounding environment and its temperature is taken into account.

Aim of this study was to evaluate the possible use of infrared thermography as a supplementary method to the ankle-brachial index used in assessing the treatment effect of percutaneous transluminal angioplasty. The study included 21 patients, mean age was 60.22 years. Healthy control group included 20 persons, mean age was 55.60 years. Patients with symptomatic peripheral arterial disease (Fontaine stages I-III) were admitted for endovascular treatment by percutaneous transluminal angioplasty. Thermal images and ankle-brachial index values were obtained before and after treatment by percutaneous transluminal angioplasty. Median temperature change in the treated limb was 0.4℃, for non-treated limb was -0.5℃. The median value of ankle-brachial index in the treated limb increased by 0.17 from 0.81 after the procedure. The median value of ankle-brachial index in the non-treated limb decreased by 0.03 from the value of 1.01. Significant difference between treated limb and non-treated limb in change of ankle-brachial index was found with p value = .0035. The surface temperature obtained by the infrared thermography correlates with ankle-brachial index. We present data showing that the increase of ankle-brachial index is associated with increase of skin temperature in the case of limbs treated by percutaneous transluminal angioplasty. Our results also suggest potential of the use of infrared thermography for monitoring foot temperature as a means of early detection of onset of foot ischemic disorders.

One of the standard procedures in gastrointestinal surgery is bowel part resection, which can be necessary for various reasons, such as an occurrence of a tumour. To perform this type of surgery successfully, tissue blood flow must be evaluated very clearly.Commonly, the most frequently used technique is the surgeon observing and making a macroscopic evaluation of intestine blood flow. Another approach is to use the indocyanine green (ICG) imaging method, which is sufficiently effective but quite expensive. There are some other techniques, such as pulse oximetry, visible light spectrophotometry and laser Doppler flowmetry, which can theoretically be used for this purpose but further studies of their applicability are still needed (Urbanavičius et al 2011).The main object of this study is, therefore, to evaluate = infrared thermography and temperature recovery observation as a useful technique for assessing the superficial tissue blood flow and identification of the intestinal resection lines and subsequent anastomosis creation. Infrared thermography backgroundIn the field of contemporary medicine, thermographic methods have a relatively wide application. They are used, for example, in the observation of neuropathies and ischemia in the limbs of diabetic patients (Hernandez-

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