BACKGROUND: The aim of this study was to evaluate clinical and radiographic outcomes of surgically treated isolated sacroiliac joint dislocation. METHODS: Inclusion criterion was a surgically treated isolated sacroiliac joint dislocation. Exclusion criterion was a follow-up shorter than 6 months. All patients underwent a retrospective clinical evaluation using modified Majeed scoring system. All lesions have been radiographically classified according to Tile’s classification. Matta’s classification has been used to evaluate the quality of reduction in the postoperative period and at the last follow-up. The statistical analysis was performed using Pearson correlation test and Anova Test (P value 0.05). RESUlTS: Twenty-two patients were included (mean age: 47 years, mean follow-up: 46.8 months). lesions were classified as b1.2 in 13 cases, c1.2 in 8 cases and b3 in one case. The mean score was 110 points according to modified Majeed scoring system. No significant correlations were found between clinical results and age or follow-up time. There were no significant differences between the outcomes of the different groups subdivided according to Tile’s classification. In the immediate postoperative period 11 reductions were classified as anatomical, 7 as satisfactory and 4 as unsatisfactory. There was no significant correlation between age or clinical outcome and the quality of reduction. Two reduction losses were identified at last follow-up. CONClUSIONS: Isolated sacroiliac dislocations can lead to poor results up to 10% of cases. Reduction could be challenging in more than 18% of cases. Furthermore, even if an anatomical reduction was achieved, the clinical outcome could be poor.
Clinical and radiographic outcome of isolated sacroiliac joint dislocations
De Vivo S.;Aprato A.;Audisio A.;Masse A.
2018-01-01
Abstract
BACKGROUND: The aim of this study was to evaluate clinical and radiographic outcomes of surgically treated isolated sacroiliac joint dislocation. METHODS: Inclusion criterion was a surgically treated isolated sacroiliac joint dislocation. Exclusion criterion was a follow-up shorter than 6 months. All patients underwent a retrospective clinical evaluation using modified Majeed scoring system. All lesions have been radiographically classified according to Tile’s classification. Matta’s classification has been used to evaluate the quality of reduction in the postoperative period and at the last follow-up. The statistical analysis was performed using Pearson correlation test and Anova Test (P value 0.05). RESUlTS: Twenty-two patients were included (mean age: 47 years, mean follow-up: 46.8 months). lesions were classified as b1.2 in 13 cases, c1.2 in 8 cases and b3 in one case. The mean score was 110 points according to modified Majeed scoring system. No significant correlations were found between clinical results and age or follow-up time. There were no significant differences between the outcomes of the different groups subdivided according to Tile’s classification. In the immediate postoperative period 11 reductions were classified as anatomical, 7 as satisfactory and 4 as unsatisfactory. There was no significant correlation between age or clinical outcome and the quality of reduction. Two reduction losses were identified at last follow-up. CONClUSIONS: Isolated sacroiliac dislocations can lead to poor results up to 10% of cases. Reduction could be challenging in more than 18% of cases. Furthermore, even if an anatomical reduction was achieved, the clinical outcome could be poor.
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