• P T Sotunmbi, A T Idowu, E E U Akang, and Y A Aken'Ova.
• Department of Anaesthesia, College of Medicine, University College Hospital, Ibadan, Nigeria.
• Afr J Med Med Sci. 2006 Sep 1; 35 (3): 345-8.

AbstractVenous thromboembolism (VTE) remains a fatal complication and a frequent cause of death among patients hospitalized for remediable and often minor conditions. Various prevalence and associated risk factors of VTE have been documented in different parts of the world. It has been reported that the prevalence of VTE in Africans and Asians is not as pronounced as it is in the Caucasians. However, there is still a relative paucity of information about the prevalence of VTE and its associated risk factors in Nigeria, which is an African population. Data was collected retrospectively from records of post-mortem reports at the University College Hospital, Ibadan, Nigeria between January 1991 and December 1998. Of the 989 autopsies documented within the 8-year period, 29 autopsies confirmed VTE. This indicates a prevalence of 2.9%. Sixty five percent of the subjects were older than 40 years and male to female ratio was 2.6:1. Hence the condition is more prevalent in males than females. Malignancy was the commonest predisposing risk factor for VTE (37.9%). Other predisposing factors included immobility for more than 4 days (27.6%), neuromuscular paralysis (24.1%), septicaemia (20.7%), multiple trauma involving the pelvis, abdomen and head (17.2%), major surgery (13.8%), congestive cardiac failure (3.4%) and obesity (3.4%). This study highlights the need to have a closer look at this grave but preventable and treatable health condition. VTE is a preventable and treatable condition, especially where haematological services, intensive care management and good pre-emptive physiotherapy are available. Thus, mortality from this condition should be considered as a cause for concern even in a poorly funded health care delivery system such as in Africa. It is therefore recommended that appropriate physical and pharmacological methods of prophylaxis should be prescribed according to the degree of risk of VTE in individual patients.

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