Sagittal Balance Parameters and Proximal Junctional Kyphosis in Adolescent Idiopathic Scoliosis

被引:0
|
作者
Katzouraki, Galateia [1 ]
Vasiliadis, Elias S. [1 ]
Kaspiris, Angelos [1 ]
Evangelopoulos, Dimitrios-Stergios [1 ]
Grivas, Theodoros B. [2 ]
Pneumatikos, Spiros G. [1 ]
机构
[1] Natl & Kapodistrian Univ Athens, KAT Hosp, Sch Med, Dept Orthopaed 3, Athens 14561, Greece
[2] Tzaneio Gen Hosp Piraeus, Dept Orthoped & Traumatol, Piraeus, Greece
关键词
sagittal balance parameters; proximal junctional kyphosis (PJK); adolescent idiopathic scoliosis; pediatric deformity; risk factors; spine; POSTERIOR SPINAL-FUSION; RISK-FACTOR; PREDICTIVE FACTORS; INSTRUMENTATION; ANGLE;
D O I
10.3390/jcm13071895
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: To review and evaluate multiple preoperative and postoperative sagittal parameters and their association with the risk of developing proximal junctional kyphosis (PJK) in patients with adolescent idiopathic scoliosis (AIS) who undergo correction surgery. Methods: A systematic search was performed in December 2022 in PubMed, Embase and the Cochrane Library to retrieve all the studies relevant to our research. After the study selection and data extraction following PRISMA guidelines, RevMan 5.3 was used for statistical analysis. All the analyzed factors were evaluated by using odds ratios and weighted mean differences with 95% confidence intervals. Moreover, the meta-analysis of proportions via MedCalc was used for analyzing quantitative data from the studies. Results: A total of 22 studies were included in our meta-analysis. All the available values of sagittal parameters were evaluated. Among all the potential risk factors, higher preoperative thoracic kyphosis (Test for overall effect Z = 11.79, p < 0.00001), higher preoperative sagittal vertical axis (SVA) (test for overall effect Z = 11.19, p < 0.00001), greater thoracic kyphosis change post-op. compared to pre-op. (test for overall effect Z = 6.02, p < 0.00001), increased postoperative lumbar lordosis (test for overall effect Z = 3.65, p = 0.0003), higher post-op. SVA (test for overall effect Z = 24.93, p < 0.00001) and a larger pelvic incidence/lumbar lordosis (PI/LL) mismatch (test for overall effect Z = 20.50, p < 0.00001) were found to be the risk factors for PJK after AIS surgery. Moreover, a decreased rod contour angle (RCA) (test for overall effect Z = 3.79, p < 0.0002) and higher proximal junctional angle-rod contour angle (PJA-RCA) (test for overall effect Z = 39.18, p < 0.00001) play a significant role in the risk of developing PJK after AIS correction. Conclusions: Sagittal balance is of great importance when considering the surgical correction of AIS. Many factors in our meta-analysis were found to increase the incidence for PJK such as higher preoperative thoracic kyphosis and pre-op. SVA. Furthermore, increased thoracic kyphosis change, increased post-operative lumbar lordosis, SVA and PI/LL mismatch are also factors that influence the possibility of post-op. PJK. Lastly, RCA and PJA-RCA are two important factors that need attention during AIS, as over-contouring of the rod could lead to PJK in AIS patients.
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页数:19
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