• Pain physician · Jul 2018

    The Validity and Reliability of Provocation Tests in the Diagnosis of Sacroiliac Joint Dysfunction.

    • Hilal Telli, Serkan Telli, and Murat Topal.
    • Kastamonu Universitesi Tip Fakultesi, Turkey.
    • Pain Physician. 2018 Jul 1; 21 (4): E367-E376.

    BackgroundAlthough sacroiliac joint dysfunction (SIJD) is generally regarded as a source of lumbar pain, its anatomical position and the absence of a diagnostic 'gold standard' lead to difficulties at examination and differential diagnosis. However, since sacroiliac (SI) joint blocks only provide information about pathologies of joint origin and since SIJD developing secondary to pathologies in structures around the joint can be missed. Provocation and palpation tests also need to be used in diagnosis.ObjectivesThe purpose of this study was to examine the reliability of clinical examination and provocation tests used in the diagnosis of SIJD.Study DesignRetrospective analysis of prospectively collected data.SettingOutpatient physical medicine and rehabilitation clinic.MethodsOne hundred and seventeen patients presenting with lumbar and/or leg pain and diagnosed with SIJD through clinical evaluation were included in the study. Range of lumbar joint movement, pain location and specific tests used in the diagnosis of SIJD were evaluated. Positivity in 3 out of 6 provocation tests was adopted as the criterion.Results75.2% of patients were female and 24.8% were male. Mean age was 46.41 ± 10.45 years. A higher level of females was determined in ender distribution. SIJD was determined on the right in 52.6% of patients and on the left in 47.4%. When SI joint provocation tests were analyzed individually, the highest positivity, in 91.4% patients diagnosed with SIJD, was in the FABER test. The lowest positivity, in 56.4% of patients, was determined in the Ganslen test. The same patients were assessed by the same clinician at 2 different times. In these data, the simple consistence, kappa and PABAK coefficient values of all tests were close to 1 and indicating good agreement. The thigh thrust (POSH) and sacral thrust tests exhibited very good agreement with a kappa coefficient of 0.90 and a PABAK coefficient of 0.92, while the FABER test exhibited good agreement with a kappa coefficient of 0.78 and a PABAK coefficient of 0.92.LimitationAgreement between different observers was not evaluated, and also no comparison was performed with SI joint injection, regarded as a widely used diagnostic technique.ConclusionThe anatomical position of the SI joint and the lack of a diagnostic 'gold standard' make the examination and diagnosis of SIJD difficult. Most SI joint clinical tests have limited reliability and validity on their own, while a multitest regimen consisting of SI joint pain provocation tests is a reliable method, and these tests can be used instead of unnecessary invasive diagnostic SI joint procedures.Key WordsDysfunction, lumbar, sacroiliac joint, provocation test, sacroiliac joint pain, pain pattern.

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