Why the study?
Does the Autar DVT risk assessment scale accurately predict the risk of deep vein thrombosis in postoperative and bedridden patients?
Does the Autar DVT risk assessment scale accurately predict the risk of deep vein thrombosis in postoperative and bedridden patients?
The Autar DVT risk assessment scale demonstrates high sensitivity and specificity for predicting DVT risk, supporting its use for guiding thromboprophylaxis protocols.
May support DVT risk stratification with cut-off 16 in orthopaedic units; leaves open need for prospective validation before routine adoption.
Deep vein thrombosis (DVT) constitutes a serious threat to patients' general recovery. DVT in postoperative and bedridden patients is usually preventable and a thromboprophylaxis protocol based on risk assessment categories is strongly recommended. The Autar DVT risk assessment scale was developed to separate risk into no risk, low, moderate and high risk categories. Founded on Virchow's triad in the genesis of DVT, the scale is composed of seven categories of risk factors. When the scale was tested on a trauma/orthopaedic unit a cut-off score of 16 yielded 100% sensitivity, 81% specificity and a correlation coefficient of 0.98. The DVT scale is designed to allow application in diverse clinical specialties. It is recommended that nurses using the Autar DVT scale should evaluate for themselves the best cut-off score to achieve maximum predictive accuracy.
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Ricky Autar (1998) studied this question.
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