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Patients treated with ES presented and underwent surgery at a younger age than those treated with CVR (p = 0.0002 and p = 0.0001, respectively). Operating and anesthesia time, estimated blood loss, and ICU and total hospital days were significantly lower in ES (all p less then 0.05). No significant differences were observed in pre- and postoperative head circumference percentiles or z scores between groups up to 36 months postoperatively. No patients required reoperation as of last follow-up. CONCLUSIONS Endoscopic management of lambdoid synostosis is safe, efficient, and efficacious in terms of intraoperative and long-term cranial growth outcomes when compared to CVR. The authors recommend this minimally invasive approach as an option for correction of lambdoid synostosis in patients presenting early in their course.OBJECTIVE The mechanism of carotid endarterectomy (CEA) restenosis remains unclear. Our research aimed to investigate the relationship between the carotid plaque grayscale median (GSM) value and restenosis after CEA. METHODS Between January 2010 and January 2018, 1280 consecutive patients underwent CEA at our institution; 32 patients were diagnosed with restenosis by ultrasound at 1 year after CEA. The correlations between plaque GSM, plaque echogenicity, clinical manifestations, shunting, and restenosis were analyzed. RESULTS In total, 829 patients were ultimately enrolled; 32 (4%) presented diagnoses of restenosis (mean age 67.3 ± 8.0 years, 81.2% men). The GSM value was lower in the restenosis group (68.1 ± 19.9 vs 59.9 ± 14.7, p = 0.02). [https://www.selleckchem.com/products/jw74.html JW74 purchase] After multiple logistic regression analysis, the GSM value was found to be an independent risk factor for restenosis (OR 0.976, 95% CI 0.957-0.995). Shunting was another significant independent risk factor for restenosis (OR 2.39, 95% CI 1.07-5.34). The GSM cutoff value for predicting restenosis was 75 (sensitivity 0.38, specificity 0.84, area under the curve 0.62). We separated the patients into 2 groups by GSM (GSM ≤ 75 and GSM &gt; 75 subgroups). Comparison of the 2 groups indicated that symptomatic manifestation was related to restenosis in the subgroup with GSM ≤ 75, indicating predominantly echolucent plaques, but not in the subgroup with GSM &gt; 75, indicating predominantly echogenic plaques. CONCLUSIONS Predominantly echolucent carotid plaques, as measured by GSM, had a higher restenosis risk at 1 year than echogenic plaques.OBJECTIVE The aim of this study was to investigate sagittal alignment and compensatory mechanisms in patients with monosegmental spondylolysis (mono_lysis) and multisegmental spondylolysis (multi_lysis). METHODS A total of 453 adult patients treated for symptomatic low-grade spondylolytic spondylolisthesis were retrospectively studied at a single center. Patients were divided into 2 subgroups, the mono_lysis group and the multi_lysis group, based on the number of spondylolysis segments. A total of 158 asymptomatic healthy volunteers were enrolled in this study as the control group. Radiographic parameters measured on standing sagittal radiographs and the ratios of L4-S1 segmental lordosis (SL) to lumbar lordosis (L4-S1 SL/LL) and pelvic tilt to pelvic incidence (PT/PI) were compared between all experimental groups. RESULTS There were 51 patients (11.3%) with a diagnosis of multi_lysis in the spondylolysis group. When compared with the control group, the spondylolysis group exhibited larger PI (p less then 0.001), PT (p less then 0.001), LL (p less then 0.001), and L4-S1 SL (p = 0.025) and a smaller L4-S1 SL/LL ratio (p less then 0.001). When analyzing the specific spondylolysis subgroups, there were no significant differences in PI, but the multi_lysis group had a higher L5 incidence (p = 0.004), PT (p = 0.018), and PT/PI ratio (p = 0.039). The multi_lysis group also had a smaller L4-S1 SL/LL ratio (p = 0.012) and greater sagittal vertical axis (p less then 0.001). CONCLUSIONS A high-PI spinopelvic pattern was involved in the development of spondylolytic spondylolisthesis, and a larger L5 incidence might be associated with the occurrence of consecutive multi_lysis. Unlike patients with mono_lysis, individuals with multi_lysis were characterized by an anterior trunk, insufficiency of L4-S1 SL, and pelvic retroversion.OBJECTIVE Maintaining lumbosacral (LS) arthrodesis and global sagittal balance after long fusion to the sacrum remains an important issue in the surgical treatment for adult spinal deformity (ASD). The importance and usefulness of LS fixation have been documented, but the optimal surgical long fusion to the sacrum remains a matter for debate. Therefore, the authors performed a retrospective study to evaluate fusion on CT scans and the risk factors for LS pseudarthrosis (nonunion) after long fusion to the sacrum in ASD. METHODS The authors performed a retrospective study of 59 patients with lumbar degenerative kyphosis (mean age 69.6 years) who underwent surgical correction, including an interbody fusion of the L5-S1, with a minimum 2-year follow-up. Achievement of LS fusion was evaluated by analyzing 3D-CT scans at 3 months, 6 months, 9 months, 1 year, and 2 years after surgery. Patients were classified into a union group (n = 36) and nonunion group (n = 23). Risk factors for nonunion were analyzed, including patient and surgical factors. RESULTS The overall fusion rate was 61% (36/59). Regarding radiological factors, optimal sagittal balance at the final follow-up significantly differed between two groups. There were no significant differences in terms of patient factors, and no significant differences with respect to the use of pedicle subtraction osteotomy, the number of fused segments, the proportion of anterior versus posterior interbody fusion, S2 alar iliac fixation versus conventional iliac fixation, or loosening of sacral or iliac screws. However, the proportion of metal cages to polyetheretherketone cages and the proportion of sacropelvic fixation were significantly higher in the union group (p = 0.022 and p less then 0.05, respectively). CONCLUSIONS LS junction fusion is crucial for global sagittal balance, and the use of iliac screws in addition to LS interbody fusion using a metal cage improves the outcomes of long fusion surgery for ASD patients.