Thrombosis is a potentially life-threatening condition related to roughly a quarter of all deaths globally. Many of these deaths occur inside healthcare facilities due to possibly preventable causes. Therefore, understanding the etiological factors involved in excessive thrombosis may significantly contribute to the successful identification, management and education of people who have an increased risk of thrombosis. We performed a retrospective file-audit of all forensic autopsy reports conducted at the Free State Forensic Pathology Mortuary in Bloemfontein, South Africa, over 10 years. We collected the age at death, gender and ethnicity of each person included in the study. The presence and location of the thrombosis and any underlying disorder or disease were noted. The overall prevalence of thrombosis for the total study population was 0.97. Pulmonary embolisms (PE's) were much more common than coronary thromboses. Most PE's had known contributory risk factors, where coronary thrombosis-related deaths occurred suddenly without known risk factors. Bone fractures were the most prominent risk factor associated with PE's. Females of African descent had a consistently high prevalence of thrombosis after the age of 30 years. Males of European descent showed an unexpected peak in prevalence during the 4th decade. Since most deaths occurred in patients with conditions known to contribute to venous thrombosis, we conclude that intensified public awareness efforts are required in our region to assist the general public in identifying risk factors for thrombosis, thereby decreasing the burden this potentially preventable disorder places on society.
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