Implications of the diagnosis of locomotive syndrome stage 3 for long-term care.

Objectives: Locomotive syndrome stage 3 (LS3), which has been established recently, may imply a greater need for care than LS stage 0 (LS0), LS stage 1 (LS1), and LS stage 2 (LS2). The relationship between LS3 and long-term care in Japan is unclear. Therefore, this study aimed to examine this relationship.

Postoperative neurological complications in intradural extramedullary tumors: A 10-year experience of a single center.

Background: Intradural extramedullary spinal cord tumors (IDEMs) cause neurological symptoms due to compression of the spinal cord and caudal nerves. The purpose of this study was to investigate the incidence of postoperative neurological complications after surgical resection of IDEM and to identify factors associated with such postoperative neurological complications.

Methods: We retrospectively analyzed 85 patients who underwent tumor resection for IDEM between 2010 and 2020.

Preoperative Malnutrition-Associated Spinal Malalignment with Patient-Reported Outcome Measures in Adult Spinal Deformity Surgery: A 2-Year Follow-Up Study.

Introduction: Malnutrition could lead to additional medical complications, and the prognostic nutrition index (PNI) is evaluated to assess the nutritional status of patients. However, the midterm postoperative outcomes of malnutrition in patients with adult spinal deformity (ASD) are unclear. This study aims to investigate postoperative midterm spinal alignment and patients' reported outcome measures (PROMs) in malnourished patients with ASD.

Change in Line of Sight after Corrective Surgery of Adult Spinal Deformity Patients: A 2-Year Follow-up.

Study Design: Cohort study.

Purpose: There is currently no published study that focuses on the spinal corrective surgery effects with cranial parameters in adult spinal deformity (ASD) patients. It is an important factor to measure since it plays a critical role in maintaining the line of sight.

The use of lateral lumbar interbody fusion for identifying adult patients with spinal deformities treatable by short corrective fusion in 2-stage surgery.

Background: To investigate and compare the surgical outcomes of short and thoracopelvic corrective fusion with our two-stage technique using lateral lumbar interbody fusion (LLIF) and posterior open surgery.

Methods: Consecutive patients with adult spinal deformities who underwent a planned two-stage anterior-posterior surgery, using LLIF for the first stage and posterior open corrective fusion for the second stage, with a minimum of 2 years of follow-up were included. Patients who underwent lumbar or lumbosacral corrective fusion and thoracopelvic corrective fusion were categorized into the short group and thoracopelvic groups, respectively.

How Is Degenerative Lumbar Scoliosis Associated with Spinopelvic and Lower-Extremity Alignments in the Elderly.

Study Design: A retrospective cohort study.

Purpose: Our aim is to investigate the relationship between degenerative lumbar scoliosis (DLS), and whole-body alignment, including spinopelvic and lower extremity alignments.

Overview Of Literature: DLS is a deformity commonly associated with aging.

Clinical Outcomes and Complications of Corrective Fusion Surgery Down to L4, L5, and the Pelvis for Adult Scoliosis in Patients Younger than 50 Years.

Introduction: Corrective fusion for adult scoliosis often requires fusion from the thoracic spine to the lower lumbar spine or pelvis. However, it is often difficult to determine the lowest instrumented vertebrae (LIV), especially in younger patients. The purpose of this study was to summarize the clinical outcomes and revision surgery rates after corrective fusion for adult scoliosis at different LIV levels in patients under 50 years of age.

Preoperative Less Right Shoulder Elevation Had a Higher Risk of Postoperative Shoulder Imbalance When Main Thoracic Curve Shows Higher Correction Regardless of the Upper Instrumented Vertebra Level for Patients with Adolescent Idiopathic Scoliosis Lenke Type 1.

Study Design: This is a retrospective study.

Purpose: This study aimed to investigate the incidence of and risk factors for postoperative shoulder imbalance (PSI) in patients with Lenke type 1.

Overview Of Literature: PSI is a complication resulting in poor self-image and satisfaction in adolescent idiopathic scoliosis (AIS) patients.

Perioperative lumbar subarachnoid drainage could not prevent postoperative CSF leakage after spinal cord tumor resection using an artificial dura mater.

Background: Cerebrospinal fluid (CSF) leakage occurs in patients who undergo dural repair using artificial dura mater. This study aimed to determine if perioperative lumbar subarachnoid drainage could reduce the incidence of postoperative CSF leakage in cases of dural repair using artificial dura mater.

Methods: We retrospectively analyzed 84 patients (41 men, 43 women; mean age, 52.

Incidence and Predictors of Postoperative Kyphotic Deformity after Thoracic Spinal Cord Tumor Resection.

Introduction: Kyphotic deformity is common after spinal tumor resection surgery. An adequate field of view is needed to resect the spinal cord tumor, and, in some cases, the facet joint must be removed during laminectomy, and fixation may be performed simultaneously. In this study, we investigated the incidence of postoperative deformity after spinal tumor resection and the factors associated with postoperative deformity.

Characteristics of pedicle screw misplacement using freehand technique in degenerative scoliosis surgery.

Purpose: This study aimed to estimate the accuracy of pedicle screw (PS) placement in degenerative scoliosis surgery, characterize a patient population with PS misplacement, and analyze the association between misplaced PS vector and lumbar coronal curve.

Methods: In this study, 122 patients (average age 68.6 years), who underwent corrective and decompression surgery, were selected retrospectively.

Clinical Outcomes of Corrective Fusion Surgery From the Thoracic Spine to the Pelvis for Adult Spinal Deformity at 1, 2, and 5 years Postoperatively.

Study Design: Retrospective cohort study.

Objective: To investigate whether patient-reported outcomes (PROs) were consistent at 2 and 5 years after corrective fusion surgery from the thoracic spine to the pelvis in patients with adult spinal deformity (ASD) and to analyze whether revision surgery affected long-term outcomes.

Summary Of Background Data: PROs up to 2 years after corrective surgeries for ASD have been well-studied, but there are few reports of mid- to long-term results.

Revision Surgery for a Rod Fracture with Multirod Constructs Using a Posterior-Only Approach Following Surgery for Adult Spinal Deformity.

Study Design: Single-center retrospective case series.

Purpose: We aimed to evaluate the clinical results of revision surgery for a rod fracture using a posterior-only approach and determine the best procedure to prevent refracture in patients with adult spinal deformity (ASD).

Overview Of Literature: ASD affects the thoracolumbar spine and often requires surgical correction.

Sex differences between the relationship of trunk muscle mass and whole body sagittal plane alignment in older adults.

Background: This study aimed to clarify sex differences in the relationship between trunk muscle mass, aging, and whole-body sagittal alignment.

Methods: Subjects aged 60-89 years who underwent musculoskeletal screening in 2018 were included in the study. Subject demographics, trunk muscle mass (TMM) measured by bioelectrical impedance analysis (BIA), and spinopelvic and lower extremity alignment parameters measured from standing radiographic images were investigated.

Impact of intrawound vancomycin powder on prevention of surgical site infection after posterior spinal surgery.

Objective: Surgical site infection (SSI) after posterior spinal surgery is one of the severe complications that may occur despite administration of prophylactic antibiotics and the use of intraoperative aseptic precautions. The use of intrawound vancomycin powder for SSI prevention is still controversial, with a lack of high-quality and large-scale studies. The purpose of this retrospective study using a propensity score-matched analysis was to clarify whether intrawound vancomycin powder prevents SSI occurrence after spinal surgery.

The Incidence of Iliac Screw-Related Complications After Long Fusion Surgery in Patients with Adult Spinal Deformity.

Study Design: Retrospective study.

Objective: To investigate the long-term clinical outcome and incidence of iliac screw-related complications in patients with adult spinal deformity (ASD).

Summary Of Background Data: Rigid lumbosacral fixation is crucial to achieve optimal global alignment and successful long-term clinical outcomes.

Risk factors for coronal oblique take-off following adult spinal deformity surgery using lateral lumbar interbody fusion and open posterior corrective fusion.

Purpose: To evaluate risk factors associated with oblique take-off (OT) following lateral lumbar interbody fusion (LLIF) for adult spinal deformity.

Methods: Thirty-nine consecutive patients (mean age 67.9 years) with scoliosis of the lumbar curve (> 30°) were evaluated.

Prevalence of Locomotive Dysfunction Exacerbating Systolic Blood Pressure and Abdominal Circumference: A Longitudinal Cohort Analysis.

We aimed to investigate the influence of locomotive dysfunction (LD) on the future prevalence of metabolic syndrome (MetS) in community-dwelling people using propensity score matching (PSM). Two hundred and twenty-five volunteers (87 men and 138 women, mean age: 66.9 years) underwent a health screening program in 2012 and 2014.

The Effect of Preoperative Nutritional Intervention for Adult Spinal Deformity Patients.

Study Design: A prospective nutritional intervention study for adult spinal deformity (ASD) patients.

Objective: To investigate how a nutritional intervention affects the incidence of postoperative medical complications and the nutritional status.

Summary Of Background Data: The medical complication rate in ASD surgery is very high, and one risk factor is malnutrition.

Cost-effectiveness of Corrective Fusion Surgeries for Adult Spinal Deformities: A Comparison by Operative Method.

Study Design: Retrospective cohort study.

Objective: The aim of this study was to summarize the cost-effectiveness of surgical treatment for adult spinal deformity (ASD) according to the operative method over 2 years postoperatively.

Summary Of Background Data: Extensive corrective fusion surgery for ASD requires numerous expensive implants, greatly contributing toward the national medical expenses.

Risk Factors for Cervical Deformity After Posterior Cervical Decompression Surgery: A Multicenter Study.

Study Design: Retrospective multicenter study.

Objective: Posterior decompression surgery for cervical spondylotic myelopathy (CSM) and ossification of the posterior longitudinal ligament (OPLL) is a common surgery; however, it can cause postoperative cervical deformity (CD). The purpose of this study was to investigate the risk factors for CD.

Association between Pelvic Parameters and Vaginal Delivery.

Study Design: Cross-sectional study.

Purpose: To investigate the association between vaginal delivery and pelvic parameters and clarify the effect of parity on parameter fluctuations.

Overview Of Literature: During vaginal delivery, the sacroiliac joint widens and the sacrum nutates (nods).

Importance of achieving Scoliosis Research Society-22r minimal clinically important difference for improving patient satisfaction after adult spinal deformity surgery.

Objective: Achievement of minimal clinically important differences (MCIDs) in the Scoliosis Research Society-22r (SRS-22r) subdomains represents surgical efficacy. However, whether achievements of MCIDs in SRS-22r domains are associated with long-term satisfaction in patients with adult spinal deformity (ASD) is unclear. This study aimed to elucidate factors affecting patient satisfaction after thoracopelvic corrective fusion surgery in patients with ASD.

Disc degeneration could be recovered after chemonucleolysis with condoliase.-1 year clinical outcome of condoliase therapy.

Background: Condoliase-induced chemonucleolysis is a less-invasive alternative treatment for lumbar disc herniation (LDH); however, its long-term clinical outcome is still unclear. This study aimed to investigate 1-year clinical outcomes and assess radiographs after chemonucleolysis with condoliase.

Methods: We enrolled patients with LDH who received condoliase injection with a follow-up period of >1 year.