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עמוד בית
Tue, 23.07.24

Search results


November 2017
Cheri Korb MD, Abid Awisat MD, Doron Rimar MD, Itzhak Rosner MD, Arsen Schpigelman MD, Daniela Militianu MD and Gleb Slobodin MD

Background: Magnetic resonance imaging (MRI), which has recently become the leading imaging modality in the study of ankylosing spondylitis (AS), has not been evaluated in the assessment of disease-specific changes at the craniocervical junction (CCJ) in patients with AS.

Objectives: To describe the spectrum of active inflammatory lesions at the CCJ using MRI in a cohort of patients with AS and neck pain.

Methods: The study included 18 patients with AS presenting with neck pain and a control group of 9 fibromyalgia patients matched for age and levels of neck pain. All patients underwent a focused rheumatologic examination, X-ray of the cervical spine, and a 3T MRI study, which included STIR, CUBE T2, FSE and FSE FAT SAT sequences before and after administration of gadolinium.

Results: The median age of AS patients was 43 years with a median disease duration of 7 years. Fifteen of 18 patients were under biologic treatment. Seven of 18 AS patients had evidence of cervical syndesmophytes on X-ray films. Active inflammatory lesions of atlanto-occipital joints and apical and alar ligaments were detected in MRIs in 2 out of the 18 patients with AS and in none of the patients with fibromyalgia. Both AS patients with active inflammation of CCJ detected on MRI received treatment with biological agents prior to and during the study.

Conclusions: Active inflammation of both entheses and joints of the CCJ can be demonstrated by MRI in patients with AS.

September 2015
Liana Tripto-Shkolnik MD, Elena Segal MD, Anat Jaffe MD, Sophia Ish-Shalom MD, Rakefet Bachrach MD, Alicia Nachtigal MD and Daniela Militianu MD

Background: Evidence suggests that prolonged bisphosphonate (BP) treatment predisposes to atypical fractures (AF), but the etiology has yet to be determined. Addressing causality begins with case identification, which requires radiological adjudication. However, many trials based their case findings on coded diagnoses. 

Objectives: To investigate the feasibility of case findings by the coding system and the reproducibility of radiological evaluations in two hospitals in Israel, and to compare BP exposure of AF patients to a control group with typical (intertrochanteric of femoral neck) fractures. 

Methods: Diagnostic databases from 2007–2010 were reviewed and admission X-rays of patients were examined in two steps by two radiologists. Fractures were classified as atypical or not atypical according to published criteria. A 2:1 control group was created. Ambulatory drug acquisition was reviewed. 

Results: Of the 198 patients who fulfilled the search criteria, 38 were classified by initial radiological opinion as AF. Subsequent radiological opinion judged 16 as not atypical. Of the AF patients, 80% were exposed to BP. Of those, 81% continued to receive BP treatment for 2.4 years after AF. Only one AF patient was discharged with suspected AF diagnosis. In the control group, 27% were exposed to BP prior to fracture (P < 0.001). 

Conclusions: Thorough radiological revision is mandatory for proper classification of AF, and even when performed there is significant inconsistency in interpretation. Conclusions drawn from trials based solely on coded diagnoses lead to significant bias. BP exposure was significantly higher in the AF group. Caregiver unawareness of AF leads to improper management. 

 

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