Diagnostic value of single-photon emission computed tomography/computed tomography for the causes of early residual lumbar and back pain after lumbar fusion
Objective To explore the diagnostic value of single-photon emission computed tomography(SPECT)/computed tomography(CT)for early residual lumbar and back pain after lumbar fusion.Methods A total of 106 patients treated in the Yellow River Sanmenxia Hospital from January 2019 to June 2021 for residual lumbar and back pain after lumbar fusion but without a definite diagnosis by anatomical imaging were selected as the research subjects.SPECT/CT imaging was used to examine the causes of pain,and the results of SPECT/CT imaging were recorded.Compared with the X-ray examination results as the gold standard,the diagnostic value of SPECT/CT for the causes of early residual lumbar and back pain after lumbar fusion was analyzed.Results SPECT/CT imaging showed that among the 106 patients,85 patients(80.19％)were positive,including 19 cases(17.93％)of aseptic inflammatory reaction to the interbody fusion cage,40 cases(37.73％)of screw loosening,and 26 cases(24.53％)of impingement syndrome.The rest 21 patients(19.81％)were negative.Among the 106 patients,91 patients were confirmed positive by X-ray examination,and the remaining 15 patients were negative.The sensitivity,specificity,accuracy,positive predictive value,and negative predictive value of SPECT/CT imaging for the causes of early residual lumbar and back pain after lumbar fusion were 93.41％(85/91),100.00％(15/15),94.34％(100/106),100.00％(85/85),and 71.43％(15/21),respectively;and kappa was 0.800.Conclusion SPECT/CT imaging with anatomical and functional images has superior diagnostic efficacy for the causes of early residual lumbar and back pain after lumbar fusion.
lumbar fusionlumbar and back painsingle-photon emission computed tomographycomputed tomographybone imaging
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