Diagnostic accuracy of SPECT/CT arthrography in patients with suspected aseptic joint prostheses loosening.

IF 1.2 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING European Journal of Hybrid Imaging Pub Date : 2021-02-28 DOI:10.1186/s41824-021-00098-y

Bo Bao, Crystal S Liu, Edward C O Masson, Jonathan T Abele

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引用次数: 24

Abstract

Purpose: To evaluate the diagnostic accuracy of SPECT/CT arthrography in patients with suspected aseptic prosthesis loosening following hip and knee arthroplasty.

Methods: A retrospective review of 63 SPECT/CT arthrogram studies (36 knees and 27 hips) between February 1, 2013, and July 1, 2018, was conducted. All patients underwent clinical and radiologic evaluation as part of their assessment for persistent pain following hip and knee arthroplasty. The detection of tracer activity along the bone-prosthetic interface on SPECT/CT suggests aseptic loosening. Operative assessment as well as clinical/radiologic follow-up at a minimum of 1 year was used as the reference standard.

Results: The sensitivity and specificity of SPECT/CT for detection of aseptic loosening was 6/7 (86%) and 55/56 (98%), respectively. This gives a positive predictive value (PPV) of 6/7 (86%), a negative predictive value (NPV) of 55/56 (98%), and a diagnostic accuracy of 61/63 (97%).

Conclusion: SPECT/CT arthrography has a high diagnostic accuracy (97%) in the evaluation of loosening of both hip and knee arthroplasties in patients with persistent post-procedural pain.

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SPECT/CT关节造影对疑似无菌性关节假体松动的诊断准确性。

目的:评价SPECT/CT关节造影对髋关节置换术后疑似无菌性假体松动的诊断准确性。方法:回顾性分析2013年2月1日至2018年7月1日期间的63例SPECT/CT关节造影研究(36例膝关节和27例髋关节)。所有患者都接受了临床和放射学评估，作为髋关节和膝关节置换术后持续疼痛评估的一部分。在SPECT/CT上沿骨-假体界面检测示踪剂活性提示无菌性松动。手术评估以及至少1年的临床/放射学随访作为参考标准。结果:SPECT/CT检测无菌性松动的敏感性为6/7(86%)，特异性为55/56(98%)。阳性预测值(PPV)为6/7(86%)，阴性预测值(NPV)为55/56(98%)，诊断准确率为61/63(97%)。结论:SPECT/CT关节造影在评估髋关节和膝关节置换术后持续疼痛患者松动时具有很高的诊断准确性(97%)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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