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At least 847 records · Page 47Linked to original sources
PubMed2001

Multiple-probe thermography for estimating the postmortem interval: II. Practical versions of the Triple-Exponential Formulae (TEF) for estimating the time of death in the field.

A simple, reliable, and relatively accurate method for estimating the time since death is described. It is based on the Triple-Exponential Formulae (TEF), which are devised for the first time in this study. The postmortem cooling rate of the brain, liver, and rectum in 117 forensic cases were investigated (Part I). The method can be used in the field as a computer program, reference graph, or reference chart-ruler. The program is simple and can easily be run by any user. There are six reference graphs representing the average brain, liver, and rectal cooling curves for naked and covered body groups. The ruler is designed for the rectal cooling curves for covered and naked bodies. This method requires one temperature measurement of the chosen body site and the environment. The postmortem interval is estimated as a probable value +/- a possible range of time estimates with a built-in confidence limit.

Autopsy↗
PubMedDate not supplied

Application of intraoperative thermography in coronary artery bypass grafting without extracorporeal circulation - clinical report.

BACKGROUND: The development of low-invasive cardiosurgical techniques has contributed to an increase of the number of revascularization procedures performed on beating heart. The report presents the changes observed intraoperatively in thermographic images of the heart obtained during surgical revascularization performed without extracorporeal circulation. MATERIAL AND METHODS: In two patients with coronary heart disease, subjected to coronary artery bypass grafting performed without extracorporeal circulation, the images acquired over the operation area were recorded intraoperatively using a thermovision camera (Agema Thermovision SW/TE 900 system). RESULTS: On the basis of thermographic images, the area of lowered temperature corresponding to the region of myocardium with impaired blood flow supplied by the descending anterior coronary artery branch was determined. A rapid temperature increase to the baseline values was observed soon after removing the ligatures from the descending anterior coronary artery and left internal mammary artery used as a bypass. CONCLUSIONS: Recording thermographic heart images allows to observe restricted areas of perfusion disturbances, which take place during procedures performed on beating heart.

Aged↗