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ISSN 2063-5346
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Shear Wave Elastography (SWE) between Patients with Plantar Fasciitis and healthy individuals; A case control study

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Mohamad Hamid Abowarda, (b) Engy Fathy Tantawy (c) Mohamed Gamal Nada, (d) Shorouk Khaled Metwally Esmail
» doi: 10.31838/ecb/2023.12.3.018

Abstract

Background: Planter fasciitis is the most common cause of heel pain which has impact on patient quality of life. it presented with pain at early morning or during long standing or walking, it although may represent with stiffness, swelling and limbing . Diagnosis of planter fasciitis depends mainly on clinical diagnosis but other methods of investigations are helpful in early diagnosis and rule out other causes of heel pain. We aimed to assess shear Wave Elastography (SWE) between Patients with Plantar Fasciitis and healthy individuals. Methods: our study included 30 case diagnosed with planter fasciitis compared to 30 healthy individuals with no heel pain, both groups underwent B-mode superficial ultrasonography and shear wave elastography of the planter fascia 1 cm from calcaneal insertion then comparing the findings of both groups. Results: Age, sex, BMI, and occupation were insignificantly different between the case and control groups. Planter fascia hypoechoicity, edema and thickness were significantly higher in group 1 than group 2 (P value <0.001). Planter fascia shear wave velocity and shear wave elasticity were significantly lower in group 1 than group 2 (P value <0.001). Shear wave velocity can significantly assess planter fasciitis (AUC= 0.990, P value <0.001) at cut off ≤4.1 m/s, 93.33% sensitivity, 100% specificity, 100% PPV and 93.7% NPV. Shear wave elasticity can significantly assess planter fasciitis (AUC= 0.903, P value <0.001) at cut off ≤48.1 Kpa, 76.67% sensitivity, 100% specificity, 100% PPV and 81.1% NPV. Thickness of planter fascia by ultra-sound can significantly assess planter fasciitis (AUC= 0.955, P value <0.001) at cut off >3.7 mm, 90% sensitivity, 100% specificity, 100% PPV and 90.9% NPV. Conclusion: Shear wave elastography is an easy, simple and effective additional method in diagnosing planter fasciitis with B-mode ultrasound and also helpful in early diagnosis of planter fasciitis.

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