JournalTOCs

European Spine Journal
Journal Prestige (SJR): 1.535

Citation Impact (citeScore): 2
Number of Followers: 25

Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1432-0932 - ISSN (Online) 0940-6719
Published by Springer-Verlag

[2468 journals]

A retrospective cohort review of BMI on SI joint fusion outcomes:
examining the evidence to improve insurance guidelines
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  Abstract: Purpose The demand for SIJ fusion among obese patients has grown substantially. However, the clinical relevance of obesity in the context of SI joint fusion has not been well investigated specifically, whether there is a BMI cutoff above which the benefit-risk ratio is low. Methods Adult patients ≥ 21 years of age who underwent minimally invasive SIJ fusion between 2020 and 2023. Participants were classified using the National Institutes for Health body mass index (BMI). Patients with a BMI of 30 to 39 with no significant comorbidity are considered obese, patients with a BMI of 35 to 39 with a significant comorbidity or a BMI of 40 or greater are considered morbidly obese. All subjects completed the Visual Analog Scale (VAS) and Oswestry Disability Index (ODI) at baseline and 12 months. One-way analysis of variance was used to examine the impact of BMI category on score changes. Results Overall, mean VAS improved at 12 months by 2.5 points (p < .006). Over the 12-month follow-up period, BMI category did not impact mean improvement in VAS (ANOVA p = .08). Mean ODI at 12 months improved by 23.2 points (p < .001). BMI category did impact mean improvement in ODI (ANOVA p = .03). Conclusion This study demonstrates similar benefits across all BMI categories. This data suggests that obese patients do benefit from minimally invasive SIJ fusion, specifically the 35–40 BMI cohort of patients, and should not be denied this procedure based on arbitrary healthcare organizations BMI criteria.
  PubDate: 2024-08-27
Posterior-only approach cervical hemivertebrectomy and short fusion with
pedicle screws in young children with cervical scoliosis: case report and
technical note
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  Abstract: Purpose Cervical hemivertebrae (C3-6) causing significant osseous torticollis, head tilt and facial asymmetry are rare and complicated. Cervical hemivertebrectomy (CHVE) by a posterior-only approach was never reported because it is highly risky and its efficacy remains controversial. This study is to evaluate the feasibility and preliminary clinical outcomes of posterior-only approach for CHVE and torticollis correction in young children. Methods Four young children aged 5–9 years old with significant torticollis caused by cervical hemivertebrae underwent deformity correction consisting of cervical pedicle screw (CPS) placement with O-arm-based intraoperative navigation, CHVE using ultrasonic bone scalpel and short-segmental posterior instrumentation and fusion. Details of this novel technique were presented. The preliminary short-term clinical and radiographic outcomes were assessed. Results On average, the operative time was 312.5 ± 49.9 min, and the surgical blood loss was 375.0 ± 150.0 ml. The structural cervical scoliosis was corrected from 31.5 ± 7.3° to 11.0 ± 4.1°, and the average correction rate was 64.9%. Head tilt was favorably corrected from 11.0 ± 4.2° to 3.5 ± 2.6°. The shoulder balance improved from 6.3 ± 1.3° to 1.5 ± 1.9°. One case with C6 CHVE had convex side radiating nerve root pain but no sign of muscle power weakness. Full recovery was achieved one month after surgery. No other complication occurred. Conclusions CHVE by a posterior-only approach was a feasible alternative option for the treatment of congenital cervical scoliosis. It could resect the CHV effectively and achieve satisfactory torticollis correction without additional anterior access surgery. Successful CPS placement in this child population was essentially important to enable reliable osteotomy closure and firm posterior instrumentation.
  PubDate: 2024-08-27
How cervical and cervicothoracic scoliosis influence the atlantoaxial
joint
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  Abstract: Introduction Children with cervical or cervicothoracic congenital scoliosis are limited in their ability to compensate for the main curve of the deformity because there are only a few mobile segments in their cervical spine. Over the years, we have frequently observed coronal atlantoaxial dislocation (CAAD) in a lateral direction (from left to right or vice versa) in these patients. It was anticipated that CAAD might compensate for the horizontal position of the head, and it is hypothesized that CAAD depends on the degree of scoliotic deformity. Thus, the aim of our study was to investigate whether there is a correlation between CAAD and scoliosis parameters in these patients. Methods Retrospective analysis was performed based on CAT scans and preoperative X-rays of patients with cervical and cervicothoracic scoliosis with an apex between C4 and T6. Seventeen patients, with a mean age of 7.25 years, who were 9 girls and 8 boys, and who were treated between 2006 and 2022 were included. Cobb`s angle of the main curve (CA-MC), Cobb`s angle of the secondary curve (CA-SC), and T1-, C2- and UEV (upper end vertebra) tilt were measured on whole-spine radiographs in the standing position. The CAAD was measured via coronal CAT scan reconstruction and defined as the difference in the distances of the lateral masses to the midline of the axis. Pearson`s linear correlation coefficients (r) were determined using SPSS to evaluate correlations between CAAD and the measured parameters. p < 0.05 indicated statistical significance. Results CAAD toward the convex region in patients with scoliosis was typically observed; the mean CAAD was 3 mm ± 3.7 mm. The mean CA-MC was 46° ± 13°, the mean CA-SC was 16° ± 9.6°, the mean T1 tilt was 17° ± 8.8°, the mean C2 tilt was 9°± 8.8°, and the mean UEV tilt was 24° ± 7.2°. There was a strong linear correlation between CAAD and CA-MC (r = 0.784, p < 0.001), C2 tilt (r = 0.745; p < 0.001), and UEV tilt (r = 0.519; p = 0.033). There was no correlation between CAAD and either CA-SC or T1 tilt. Discussion Children with cervical or cervicothoracic scoliosis tend to have a CAAD toward the convexity of the scoliosis that correlates to CA-MC, C2-tilt, and UEV-tilt. CAAD may be seen as a compensatory mechanism to keep the head in a horizontal position. Severe or progressive CAAD may result in destruction of the atlantoaxial joint, including severe complaints, thus necessitating close follow-up and possibly early surgical treatment. Moreover, CAAD might be a useful additional radiographic parameter to be checked in future scoliosis studies.
  PubDate: 2024-08-26
Letter to the editor concerning “Presence of compensatory curve predicts
postoperative curve progression in congenital scoliosis after
thoracolumbar hemivertebra resection and short fusion” by Xu Y, et al.
(Eur Spine J [2024]: doi: 10.1007/s00586-024-08398-0)
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  PubDate: 2024-08-24
Answer to the letter to the editor of Miao J, et al. concerning
“Presence of compensatory curve predicts postoperative curve progression
in congenital scoliosis after thoracolumbar hemivertebra resection and
short fusion” by Xu Y, et al. (Eur Spine J [2024]: doi:
10.1007/s00586-024-08398-0)
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  PubDate: 2024-08-24
Letter to the editor concerning “Reliability and accuracy of scoliotic
parameters on using a wireless handheld 3D ultrasound for children with
adolescent idiopathic scoliosis: a pilot study” by Nguyen TNN, et al.
(Eur Spine J [2024]; doi:10.1007/s00586-024-08445-w)
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  PubDate: 2024-08-22
Bilateral ultrasound-guided erector spinae plane block for postoperative
analgesia in paediatric idiopathic scoliosis patients undergoing posterior
spine fusion surgery: a randomized controlled trial
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  Abstract: Purpose Major spinal surgery causes severe pain. We examined the ability of erector spinae plane block (ESPB) to alleviate pain after posterior spinal fusion (PSF) in paediatric scoliosis patients. Methods Seventy-two patients who underwent PSF were randomized into a preoperative ultrasound-guided ESPB group or a no-block control group. The composite primary outcome was the area under the curve (AUC) of the numerical rating scale (NRS) score in the first 24 h after surgery and the number of parent-controlled intravenous analgesia (PCIA) boluses administered 24 h after surgery. The secondary outcomes included the NRS score, opioid consumption, rescue analgesia, adverse events, and quality of recovery. Results The AUC-NRS at rest was 62 (13) in the ESPB group and 89 (13) in the control group (P < 0.001). There were 15 (5) 24-h PCIA boluses administered in the ESPB group and 30 (7) in the control group (P < 0.001). Compared with those in the control group, the NRS scores at rest were lower in the ESPB group at 0, 3, 6, and 9 h postoperatively, and the NRS scores during movement were lower in the ESPB group at 0, 3, 6, 9 and 12 h postoperatively. The ESPB group showed a lower need for PCIA than did the control group at 0–6, 6–12, 12–18 and 1–24 h postoperatively. In the ESPB group, fewer patients required rescue analgesics, and patients exhibited a higher quality of recovery. Conclusion Preoperative ESPB improves postoperative analgesia in paediatric scoliosis patients who underwent PSF. Trial registration number ChiCTR2300074505. Date of registration August 8, 2023.
  PubDate: 2024-08-22
Associations of oxidative balance score with lumbar spine osteopenia in
20–40 years adults: NHANES 2011–2018
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  Abstract: Purpose Current research suggests that oxidative stress may decrease bone mineral density (BMD) by disrupting bone metabolism balance. However, no study investigated the relationship between systemic oxidative stress status and adult BMD. This study aims to investigate whether oxidative balance score (OBS) is associated with BMD in adults under 40. Methods 3963 participants were selected from the National Health and Nutrition Survey (NHANES) from 2011 to 2018. OBS is scored based on 20 dietary and lifestyle factors. Weighted multiple logistic regression and restricted cubic splines were used to assess the correlation between OBS and osteopenia. Results After adjusting for confounding factors, the weighted logistic regression results showed that compared with the first tertile of OBS, the highest tertile had a 38% (OR: 0.62, 95% CI: 0.47–0.82) lower risk of osteopenia. The restrictive cubic spline curve indicates a significant nonlinear correlation between OBS and the risk of osteopenia. Conclusion The research findings emphasize the relationship between OBS and the risk of osteopenia in young adults. Adopting an antioxidant diet and lifestyle may help young adults to maintain bone mass.
  PubDate: 2024-08-21
Prolonged opioid use after single-level lumbar spinal fusion surgery in a
Belgian population: a multicentric observational study
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  Abstract: Purpose Lumbar spinal fusion surgeries are increasingly being performed in spinal degenerative disease, often accompanied by perioperative opioid prescriptions. The aim of this study is to analyze prolonged postoperative opioid use following a standardized opioid prescription after single-level lumbar spinal fusion surgery in a Belgian population. Methods This prospective, multicentric observational study included patients undergoing single-level lumbar fusion surgery for degenerative disease. A standardized postoperative opioid protocol (Targinact 2 × 10 mg/5 mg, Paracetamol 4 × 1 g and Ibuprofen 3 × 600 mg) was applied uniformly. Prolonged opioid use was defined as continued opioid use six months after surgery. Patient data were collected using the Back-App®. Results Among 198 participants, 32.8% continued opioid use six months post-surgery, with 8% utilizing strong opioids. Prolonged opioid use correlated with lower pre-operative back pain. Patients with prolonged opioid use and strong opioid use at six months show less improvement in disability compared to patients without prolonged opioid use. Moreover, patients with prolonged strong opioid use tend to have lesser improvement of the low back pain. The odds for prolonged opioid use decrease with the increase of the improvement in ODI. Conclusion 1 in 3 patients undergoing single-level lumbar spinal fusion surgery is at risk for prolonged opioid use. The study underscores the importance of tailored pain management strategies, particularly given the rising prevalence of spinal fusion surgeries. The association between pre-operative low back pain, post-operative improvement in functionality (ODI), and prolonged opioid use emphasizes the need for judicious opioid prescribing practices and highlights the role of functional outcomes in treatment goals.
  PubDate: 2024-08-21
Surgical treatment for local recurrence of spinal hemangiomas
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  Abstract: Introduction SH is considered to be the most common benign tumor within the human spine. 1–2% of SH get symptomatic with back pain in most cases. Less often, ingrowth of vessels into the spinal canal is seen. In these cases, more invasive surgical treatment is required. Recurrence of SH following surgical treatment is a very rare condition. Methods We present the results of a retrospective chart review, with description of the clinical course of 12 patients with spinal canal invading SH without recurrence and of 5 patients with a recurrent SH. Results Recurrence was diagnosed 70 months (mean value) after the first procedure. All patients with a recurrent SH had received an incomplete tumor resection as a first treatment. The distribution of gender, age at the diagnosis, levels involved by the tumor, and initial symptoms were comparable in the group of patients with and without recurrence. The patients with recurrent SH were treated with preoperative embolization and en bloc resection or complete piecemeal resection of the affected vertebra. For stabilization, a combined, circumferential fixation was used consisting in a TSM cage filled by bone graft and posterior pedicle screw rod instrumentation in all patients. We followed these patients until 09/ 2023, mean FU 122 months (range 72–184 months). At this time, we found no evidence of tumor recurrence, good clinical conditions in all patients, no signs of implant failure or pseudarthrosis. Discussion Thus, radical excision, sufficient stabilization and fusion is considered to be an adequate treatment concept for recurrent SH.
  PubDate: 2024-08-21
Association between nutritional scores and multilevel vertebral
involvement in tubercular spine: a retrospective cohort study
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  Abstract: Objective The objective of this study is to evaluate the prognostic value of nutritional scores comprising the Controlling Nutritional Status (CONUT) score and the Prognostic Nutritional Index (PNI), in prediction of multilevel vertebral involvement (> 2 vertebra) in Spinal Tuberculosis (STB). Methods Retrospective analysis of 39 STB patients was conducted to assess nutritional indices (CONUT and PNI) and the numbers of vertebral affection. Spearman’s correlation was used to examine the association between these variables. Receiver Operating Characteristic (ROC) curves were utilized to determine optimal cutoff values, with Area Under the Curve (AUROC) evaluation. Additionally, multiple logistic regression was performed as a predictive model. Results There were 24 males and 15 females, with a mean BMI of 18.88 kg/m² (± 1.37). Spearman’s correlation analysis revealed negative correlations between BMI, PNI (rho − 0.68, p < 0.001) and multilevel vertebra involvement, while ESR (rho 0.83, p < 0.001), CRP (rho 0.81, p < 0.001), and CONUT score (rho 0.83, p < 0.001) positively correlated with multilevel vertebral affection (> 2 vertebra). Age and comorbidities showed no correlation with the level of vertebral affection. ROC analysis revealed a CONUT Score ≥ 3 cutoff (sensitivity-95.7%, specificity-87.5%) and PNI ≤ 38.605 (sensitivity-78.3%, specificity-93.8%) for predicting multilevel STB (> 2). PNI exhibited superior specificity and positive predictive value where as CONUT score was a better parameter for sensitivity, negative predictive value and diagnostic accuracy. Both CONUT score and PNI were significant predictors of vertebral involvement in univariate analysis, with multivariate analysis identifying CONUT score as the sole predictor of multilevel vertebral affection. Conclusion Nutritional scores, including CONUT score and PNI, emerged as significant predictors of multilevel STB. CONUT score displayed superior sensitivity, negative predictive value, and overall diagnostic accuracy, while PNI served as a nutritional marker with high specificity and positive predictive value in predicting multilevel involvement in spinal tuberculosis.
  PubDate: 2024-08-21
The Association between prior arthroplasty and Paraspinal Muscle
Degeneration in patients undergoing elective lumbar surgery
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  Abstract: Purpose Spinal and lower extremity degeneration often causes pain and disability. Lower extremity osteoarthritis, eventually leading to total knee- (TKA) and -hip arthroplasty (THA), can alter posture through compensatory mechanisms, potentially causing spinal misalignment and paraspinal muscle (PM) atrophy. This study aims to evaluate the association between prior THA or TKA and PM-degeneration in patients undergoing elective lumbar surgery for degenerative conditions. Methods A retrospective analysis of patients undergoing lumbar surgery for degenerative conditions was conducted. Patients were categorized based on prior THA, TKA, or both. Quantitative analysis of functional cross-sectional area (fCSA) and fat infiltration (FI) of psoas, multifidus (MF), and erector spinae (ES) muscles at L4-level was performed using T2-weighted MRI images. The association between the FI and fCSA of the PM and prior arthroplasty was investigated. Differences were assessed using ANOVA and multivariable linear regression. Results Overall, 584 patients (60% female, 64 ± 12 years) were included. 66 patients (11%) had prior TKA, 36 patients (6%) THA, and 15 patients (3%) both TKA and THA. Patients with arthroplasty were mostly female (57%) and notably older (p < 0.001). The FI of the MF and the ES was significantly higher in the arthroplasty-group (both p < 0.001). Patients with prior TKA showed significantly higher FI (Est = 4.3%, p = 0.013) and lower fCSA (Est=-0.9 cm2, p = 0.012) in the MF compared to the non-arthroplasty-group. Conclusion This study demonstrates a significant lower fCSA and higher FI in the MF among individuals with prior TKA. This highlights the complex knee-spine relationship and how these structures interact with each other.
  PubDate: 2024-08-21
Cervical orthosis does not improve postoperative pain following posterior
cervical fusion: a randomized controlled trial
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  Abstract: Purpose To determine whether postoperative neck pain in the first 4 weeks following multi-level posterior cervical fusion (PCF) with orthosis is equivalent to multi-level PCF without orthosis. Methods Patients were randomly assigned in a 1:1 ratio to postoperative orthosis (CO) for 6 weeks or no orthosis (NO). Randomization was stratified by indication (traumatic vs. degenerative), and preoperative opioid use. A model of longitudinal regression for repeated measures was used. The two-sided 95% confidence interval (CI) was used to test equivalence. If the CI lay between the pre-determined margin of equivalence (−2.0 to + 2.0 pain score) the two groups were considered equivalent. A multiple imputation procedure was used to replace missing data. Results Thirty-one patients were enrolled in each group. At baseline, the CO group had more neck pain (5.3 vs. 3.2, p = 0.013). The Four week post-operative neck pain intensity score was 4.6 ± 0.3 for the CO group vs. 4.9 ± 0.3 for the NO group. The 95% confidence interval (−1.2 to 0.6) was within the pre-determined equivalence margin. Neck Disability Index, quality-of-life scores, and arm pain were similar. Eleven patients in the CO group and 12 patients in the NO group had an adverse event. The CO group had reduced range of motion at 6 weeks. Conclusion Pain scores over the first 4 weeks after surgery were equivalent for patients undergoing multi-level PCF treated with or without a cervical orthosis. Our findings do not support the routine use of a postoperative cervical orthosis for postoperative pain control. Clinical Trials Registration Number NCT04308122, April 22, 2020.
  PubDate: 2024-08-21
Association between MRI measurements of lumbar spine alterations and
self-reported outcomes of pain and disability in subjects with
non-specific low back pain
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  Abstract: Purpose This study aims to elucidate the association between MRI measurements of spine alterations and self-reported outcomes of pain and disability in individuals with non-specific low back pain, using a comprehensive perspective based on machine learning algorithm. Methods 246 consecutive subjects were assessed. Pain severity in cervical, lumbar, and leg regions was determined using visual analogue scale, and functional disability was acquired by Oswestry Disability Index. Sagittal and axial MRI scans of the thoracolumbar spine were evaluated. Severity of disc degeneration, spinal canal stenosis, and presence of vertebral endplate lesions based on two different classification schemes involving the extent and the shape of defects were quantified at the levels from T12L1 to L5S1. The following parameters describing the lumbar region as a whole were calculated: maximum value along spinal levels, sum of values along levels, number of levels characterized by severe condition. The association with pain and disability was assessed by generalized multiple linear regression modelling. Results Disc degeneration was identified as a predictor of disability and partially of pain, whereas canal stenosis was found associated with changes in pain in the leg region. Partial correlation values ranged from 0.11 to 0.32. Endplate lesions did not show significant associations. Conclusion A partial association between MRI measurements and self-reported outcomes of pain and disability was confirmed. Disc degeneration was the most correlated with the reported indexes, while canal stenosis mainly affected the pain levels in the leg region. The presence of endplate lesions did not demonstrate any significant relationships.
  PubDate: 2024-08-20
Minimally invasive far lateral tubular microdiscectomy: surgical technique
and case series of 176 patients
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  Abstract: Background Far lateral (extraforaminal) disc herniations comprise approximately 10% of symptomatic lumbar disc herniations. They represent operative challenges due to accessibility and surgical unfamiliarity. Surgical strategies in the past have included open discectomy and posterior lumbar interbody fusion. Tubular microdiscectomies have gained traction due to their minimally invasive advantages, including reduced morbidity, pain and length of hospital stay. Methods We report our retrospective single institution consecutive case series of tubular far lateral microdiscectomies. One hundred and seventy-six patients were operated on over an eight-year period. Clinical outcomes were assessed after institutional ethics approval. We additionally describe our surgical technique with an illustrative video case. Results Over a mean follow-up of 21 weeks, 77% of patients had good or excellent clinical outcomes according to the MacNab criteria. 12% of patients underwent reoperation at the index level for symptom recurrence or persistence. Mean length of hospital stay was 1.3 days. There was a 1% rate of both postoperative haematoma and infection. Mean operation duration was 86 minutes. Conclusion This case series represents the largest currently reported in the literature. Minimally invasive microdiscectomies performed through tubes allow for precise localisation, reduced tissue disruption and favourable clinical outcomes. Our results appear consistent with a review of the literature, demonstrating the safety and efficacy of this approach.
  PubDate: 2024-08-19
Letter to the editor concerning “Effect of saline irrigation temperature
difference on postoperative acute pain and hypothermia during biportal
endoscopic spine surgery” by Park S-R, et al. (Eur Spine J [2024]; doi:
10.1007/s00586-024-08322-6)
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  PubDate: 2024-08-16
Readmission rate after adult scoliosis surgery on primary cases over 45
years-old with long term follow-up
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  Abstract: Purpose Scoliosis surgery is becoming increasingly frequent. Rate of readmission is little discussed in the literature. It is an interesting data for the patient’s information and for public authorities to calculate cost-effectiveness. Aim of the study was to evaluate rate and causes of short and long-term readmissions in patients > 45 years old operated on for a scoliosis primary cases, then to look for predictors of these readmissions. Methods In this monocentric retrospective cohort study, over 45 years-old scoliosis primary cases operated on between 2015 and 2018 and with a minimum of 2 years follow-up were included. The number of readmissions and their causes were analyzed. Rehospitalized patients (RH) were then compared to non-rehospitalized patients (NRH). Risk factors were sought using a multivariate analysis by logistic regression. Results 105 patients were included (90% female; 64 ± 8 years). 56% were readmitted at least once. Main cause of readmission as pseudarthrosis (70%). Among the RH patients, fifty-eight required at least one revision. We found no significant difference between RH and NRH, apart from the rate of immediate post-operative medical complications which was significantly higher in RH (17% (n = 11) vs. 4% (n = 2), p = 0.04). According to multivariate analysis, BMI and age were found as predictors of readmission of mechanical origin, and BMI for readmissions of septic origin. Conclusion The readmission rate after scoliosis surgery was 56%. The main cause was pseudarthrosis. Rehospitalized patients had more immediate post-operative medical complications. The elderly and overweight patients are more likely to be readmitted for mechanical or septic reasons.
  PubDate: 2024-08-16
Answer to the letter to the editor of V. Raj, et al. concerning
"Diagnostic utility of different types of somatosensory evoked
potential changes in pediatric idiopathic scoliosis correction
surgery" by VK Gorijala et al. (Eur Spine J [2024]:
doi.org/10.1007/s00586-023-08063-y)
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  PubDate: 2024-08-13
Responsiveness of the Oswestry Disability Index and Zurich Claudication
Questionnaire in patients with lumbar spinal stenosis: evaluation of
surgically treated patients from the NORDSTEN study
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  Abstract: Purpose To evaluate the responsiveness of the original low back pain specific Oswestry Disability Index (ODI) and the spinal stenosis specific Zürich Claudication Questionnaire (ZCQ), and to investigate cut-off values for clinical “success” for ODI and ZCQ in surgically treated patients with lumbar spinal stenosis (LSS). Methods We included 601 LSS patients (218 with, 383 without degenerative spondylolisthesis) from the NORDSTEN trials. Outcome measures included ODI and ZCQ (symptom severity and physical function scales) with three alternative response parameters: scores at follow-up, absolute and relative changes from baseline to two-year follow-up. Effect size and standardised response mean evaluated internal responsiveness. External responsiveness was assessed by the Spearman rank correlation between patient-reported global perceived effect scale (GPE) and ODI and ZCQ, and receiver operating characteristics (ROC). We evaluated which cut-off values could maximise the percentage of correctly classified patients according to the GPE-anchor “completely recovered” / “much improved” for each parameter. Results Internal and external responsiveness were high for all three indices with effect sizes, standardized response means, ROC and corresponding area under the curve > 0.8. Correlations with GPE responses were moderate (> 0.50) for absolute change and strong (> 0.67) for relative change and follow-up scores. The 30% ODI relative change cut-off correctly classified 81% of patients to “success”, within a range of accurate cut-offs according to the GPE-anchor. Conclusion ODI and ZCQ demonstrate comparable responsiveness in evaluating outcomes for surgically treated LSS patients. The 30% ODI threshold was consistent with treatment “success” in NORDSTEN trials. Trial registration ClinicalTrials.gov; NCT02007083 10/12/2013, NCT02051374 31/01/2014 and NCT03562936 20/06/2018.
  PubDate: 2024-08-13
Digital anatomical features of morphological development in the
atlantoaxial synchondroses in children aged 1 to 6 years old: a
retrospective study of CT images
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  Abstract: Objective To investigate the anatomical indexes and anatomical positional indexes of the atlantoaxial synchondroses in normal Chinese Han children aged 1–6 years, and to analyze the changing law of the atlantoaxial cartilage union with the growth and development of age and its influence on the atlantoaxial ossification in children. Methods A retrospective collection of CT imaging of 160 cases of normal cervical spine in children aged 1 to 6 years old was conducted. The cases were divided into six age groups, with each group representing a one-year age range. Measure the morphological anatomical indicators and anatomical positional indicators of the atlantoaxial synchondroses. Record and statistically analyze the measurements of each indicator. Results Measurements were taken on various parameters of the atlantoaxial synchondroses. TD, SD, height, area, and perimeter all gradually decreased among the groups. Distance between bilateral atlantal anterolateral synchondroses increased gradually from Group A to Group F, while the angle formed along the long axis in the cross-section showed a decreasing trend. Distance between the axoid dentolateral synchondroses and between the neurocentral synchondroses increased gradually from Group A to Group F, with the angle value in the cross-section showing a gradual decrease, and distance from the odontoid apex increasing from Group A to Group F. Conclusions The atlantoaxial synchondroses gradually decrease in size with age, and ossification levels increase with age, with faster ossification occurring during a 1–2 years-old period. The anterolateral synchondroses, dentolateral synchondroses, and neurocentral synchondroses all gradually ossify towards the lateral direction with increasing age.
  PubDate: 2024-08-13

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