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Knowledge and practice of prophylaxis of deep venous thrombosis: A survey among Nigerian surgeons


EB Kesieme
BJ Arekhandia
IM Inuwa
IC Akpayak
EE Ekpe
OA Olawoye
A Umar
NS Awunor
EC Amadi
IJ Ofoegbu

Abstract

Background: Venous thromboembolism is a potentially dangerous condition that can lead to preventable morbidity and mortality among surgical patients.
Objectives: We aimed to determine the knowledge and practice of surgeons practising in Tertiary Hospitals in Nigeria about prophylaxis of deep vein thrombosis (DVT).
Materials and Methods: Eight Tertiary Institutions were selected from institutions in the geopolitical regions of the country by simple random sampling using balloting method. A semi‑structured questionnaire was administered, and the response was obtained from 105 out of 254 surgeons.
Results: The mean knowledge score was 5.81 ± 1.67, and only 33.3% have good knowledge about DVT prophylaxis. No statistical difference was observed between the different groups of surgeons. The mean practice score was 5.19 ± 1.8 and only 20% of surgeons have a good practice of DVT prophylaxis. The majority (90.5%) have encountered DVT whereas 83.5% have encountered pulmonary embolism in their practice. Most commonly encountered risk factors include prolonged immobility, advanced age, and pelvic surgery. Only 13.3% have used Well’s score in the clinical evaluation of their patients. The prophylactic modality adopted varies, but most surgeons (77%) utilized both the pharmacological and mechanical methods. Low molecular weight heparin is the commonly used chemoprophylactic agent while a combination of early ambulation and limb physiotherapy is the most commonly preferred mechanical method of thromboprophylaxis.
Conclusion: There is a deficiency in the knowledge and practice of DVT prophylaxis among surgeons in Nigeria. There is a need to improve both the knowledge and practice by introducing institutional guidelines or protocol for DVT prophylaxis for surgical patients.

Key words: Deep vein thrombosis prophylaxis, knowledge, practice, surgeons, surgical patients


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eISSN: 2229-7731
print ISSN: 1119-3077