Venous Doppler Combined With Thermography in the Management of Chronic Venousinsufficiency and Deep Venous Thrombosis- Prospective Analytic Study
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 6
Abstract
IntroductionThermography is increasingly being utilizedin the management of chronic venous insufficiency and deep venous thrombosis (DVT). This study was done to determine the diagnostic importance of thermography and its efficacy when combined with Venous Doppler in the diagnosis of perforator incompetence.MethodologyPatients attending the Department of Surgery with diagnosis of varicose vein over a period of twelve months were included in this study. The study excluded the patients requiringadditional procedure and those who had injection sclerotherapy prior to surgery. Venous Doppler and Thermography of leg were performed. The thermo grams were compared with the venous Doppler alone andin combination of thermography. The sensitivity, specificity and predictive values were compared. Perforator incompetence diagnosed by imaging (Doppler and Thermography) were compared with true positive cases (identified during surgery).ResultsA total of 80 patients were included in the study. All the baseline parameters like age, sex, comorbities and body mass index (BMI) were comparable between the groups.Thermography had high sensitivity (93.59%) and negative predictive value (96.65%) in diagnosing chronic venous insufficiency. Similarly ithad high specificity (82.05%) and positive predictive value (81.21%) in diagnosing DVT Preoperatively identified perforator incompetence (using Venous Doppler alone) (mean) was not identified [9.1 vs. 6.9; p= 0.001] during surgery. Similarly, preoperatively identified perforator incompetence using both (Venous Doppler and thermography) (mean) was not identified during surgery [5.4 vs. 5; p= 0.231]. ConclusionA combination of thermography and venous Doppler has a higher accuracy in detecting perforator incompetence and can reduce the number of negative explorations. The advantages of thermography are that it is a radiation-free, non-invasive, and cost-effective method for diagnosing varicose veins. Thermography could also be used in follow-up cases of DVT and postoperative cases of varicose veins.
Authors and Affiliations
Chellappa Vijayakumar, Ravi Prabhu, K. Balagurunathan, Vallinayagam Muthu Krishnan, Raja Kalaiarasi, T. Swetha, Ranganathan Chidambaram
Keywords
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