Cardiovascular and interventional radiology · 2022
CT-Guided Percutaneous Vertebroplasty for Vertebral Non-union Following Posterior Fixation: A Preliminary Retrospective Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Pavan Luca Jacopo, Dalili Danoob, Ranc Caroline, Torre Federico, Clerk-Lamalice Olivier, Burns Robert, Andreani Olivier, Ranc Paul Alexis, Bronsard Nicolas, Prestat Alexandre, Amoretti Nicolas
Аннотация
PURPOSE: Traumatic thoracolumbar vertebral fractures are frequently treated with posterior fixation (PF) and vertebral augmentation. Sometimes, it is deemed too risky to offer vertebral augmentation under fluoroscopic guidance alone. Adjuvant CT/fluoroscopy-guided percutaneous vertebroplasty (PVP) could be offered in certain scenarios. The aim was to evaluate feasibility, safety and effectiveness of PVP in patients presenting with vertebral non-union (VNU) following PF performed without concomitant vertebral augmentation.
MATERIALS AND METHODS: All patients treated in our institution with PVP between July 2015 and July 2020 were retrospectively reviewed. Patients treated with CT/fluoroscopy-guided PVP under local anesthesia for symptomatic VNU following PF were selected. Three criteria were established to assess cement distribution, considering vertebral filling of: (1) fracture cleft, (2) anterior two-thirds of the vertebral body, (3) from superior to inferior endplates. Numeric pain rating scale (NPRS) assessing grade of discomfort (0 = no pain; 10 = worst pain) and complications were evaluated before and 1 month after PVP.
RESULTS: Ten patients were identified (mean age 53 ± 12y). Mean time between PF and PVP was 9.6 [2-35] months. Two patients required further cement injection with a second PVP. Eight patients had satisfactory vertebral filling according to the three criteria. Mean NPRS reduction was 2.7(-42%, p < 0.05). No significant complications occurred.
CONCLUSIONS: Combined CT/fluoroscopy guidance seems a useful tool to perform PVP in VNU following PF, even in presence of orthopedic metalwork. Interventional radiologists may help in these scenarios, performing an adjuvant PVP under local anesthesia. In this small series, the procedure seems safe and effective and could be taken in consideration as alternative to revision surgery.
MATERIALS AND METHODS: All patients treated in our institution with PVP between July 2015 and July 2020 were retrospectively reviewed. Patients treated with CT/fluoroscopy-guided PVP under local anesthesia for symptomatic VNU following PF were selected. Three criteria were established to assess cement distribution, considering vertebral filling of: (1) fracture cleft, (2) anterior two-thirds of the vertebral body, (3) from superior to inferior endplates. Numeric pain rating scale (NPRS) assessing grade of discomfort (0 = no pain; 10 = worst pain) and complications were evaluated before and 1 month after PVP.
RESULTS: Ten patients were identified (mean age 53 ± 12y). Mean time between PF and PVP was 9.6 [2-35] months. Two patients required further cement injection with a second PVP. Eight patients had satisfactory vertebral filling according to the three criteria. Mean NPRS reduction was 2.7(-42%, p < 0.05). No significant complications occurred.
CONCLUSIONS: Combined CT/fluoroscopy guidance seems a useful tool to perform PVP in VNU following PF, even in presence of orthopedic metalwork. Interventional radiologists may help in these scenarios, performing an adjuvant PVP under local anesthesia. In this small series, the procedure seems safe and effective and could be taken in consideration as alternative to revision surgery.