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Doppler scans of lower limbs’ DVT: experience at University of Benin Teaching Hospital, Nigeria


I.B. Ose-Emenim
E.F. Oghanina

Abstract

Background: Deep Vein Thrombosis (DVT) result from coagulation of blood in the deep veins and can also lead to leg swelling and gangrene. It is a potentially lethal
disorder that can lead to pulmonary embolism with resultant high mortality rate.

Objectives: To document the pattern of DVT, our experiences at DVT Doppler scans and to stimulate interest in Doppler scan.

Design: A retrospective descriptive study.

Setting: The Vascular Imaging Unit, Radiology department, University of Benin Teaching Hospital, Benin, Edo, Nigeria.

Subjects: The Doppler scan results and stored images of 116 patients that had DVTs were retrieved and analysed. Only cases that were agreed upon by both researchers were included in this study. All the Doppler scans were performed by either or both researchers.

Results: Chronic DVT was far more common than acute DVT. There were more females than males, but the mean age of males was higher than that of females (56.9 years Vs. 48.3 years respectively). Thrombi were more on the left lower limb than on the right with the left superficial femoral vein been the most common site for thrombus location. Proximal DVTs were found to be more common than distal DVTs. Venous diversion, subcutaneous oedema and leg ulcers were demonstrable in 89, 83 and 2 patients respectively.

Conclusion: Lower limb’s DVT is common and the diagnosis can be performed by radiologists. Consequently prompt treatment can be instituted which will minimize the morbidity and mortality associated with this condition if it is unrecognised or neglected.


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eISSN: 0012-835X