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The role of three-phase bone scintigraphy with SPECT/CT in evaluation of joint replacement patients in Da Nang Hospital
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Abstract
Objectives: Describe the clinical and subclinical characteristics of patients after joint replacement who underwent three-phase bone scan at Danang Hospital and evaluation of the role of three-phase bone scan method with SPECT/CT in monitoring patients after joint replacement.
Study subjects: 32 patients after joint replacement who underwent three-phase bone scan with SPECT/CT Hawkeye 4 produced by GE at the Department of Medicine, Danang Hospital.
Methods of study: Cross-sectional descriptive, longitudinal monitoring, retrospective and prospective.
Results: Mean age: 69.88 ± 7.80. Female/male ratio: 23/9. Pain is the most common symptom. The white blood cell count and CRP concentration were mostly incresed. There were no abnormal changes in the X-ray picture. The image of joint loosening accounts for the highest proportion. Most of the knee scintigraphy shows abnormalities. Sensitivity: 83.33%. Specificity: 75%. Accuracy: 81.25%. Positive predictive value: 90.91%. Negative predictive value: 60%.
Conclusions: Three-phase bone scintigraphy is a simple method making it easy to perform with its high sensitivity and positive predictive value in monitoring patients after artificial joint replacement.
Article Details
Keywords
Three-phase bone scan, artificial joints, joint loosening
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