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Thoracic hyperkyphosis could affect mobility and independence of older adults. However, there was no clear evidence on the use of the seventh cervical vertebra wall distance (C7WD), a practical measure for thoracic hyperkyphosis, to indicate mobility deficits relating to independence of these individuals. This study explored the ability of C7WD to determine mobility impairments in 104 older adults. Participants (average age of 74.1 ± 7.4 years) with various degree of thoracic kyphosis were cross-sectionally measured for their C7WD, mobility, and Cobb angle. The findings indicate that participants with thoracic hyperkyphosis (Cobb angle = 46.1 ± 5.2°) had significantly poorer mobility than those without thoracic hyperkyphosis (Cobb angle = 32.8 ± 5.9°, p <.05). A C7WD of ≥7.8 cm could indicate mobility deficits of the participants (sensitivity = 71%–92%, specificity = 75%–94%, and area under the curve >0.80). The findings confirm the ability of C7WD that could be clinically measured using rulers to indicate mobility deficits of older adults. [ABSTRACT FROM AUTHOR]

Background: Halo-pelvic traction (HPT) is acknowledged for enhancing pulmonary function and reducing neurological complications in severe and rigid scoliosis and kyphoscoliosis. While its role in improving coronal balance is established, its impact on sagittal kyphosis remains under-researched. This study aims to assess HPT's effects on sagittal alignment in these conditions. Methods: A retrospective review of 37 patients with severe and rigid scoliosis or kyphoscoliosis was conducted to evaluate HPT's efficacy. The analysis focused on the impact of HPT on coronal and sagittal parameters, pulmonary function tests (PFTs) and complications. Radiographic assessments included main cobb angle in coronal, sagittal major kyphosis. Results: HPT was applied for an average of 2.9 months, significantly reducing the primary coronal curve from 127.7°±30.3° to 74.9°±28.3° (P < 0.05), achieving a 41.3% correction rate. Sagittal kyphosis correction was more pronounced, with angles decreasing from 80.4°±26.4° to 41.3°±24.4° (P < 0.05), resulting in a 48.6% correction rate. Pulmonary function tests showed improvements in forced vital capacity (FVC) (from 1.32 ± 0.91 to 1.55 ± 0.83) and forced expiratory volume in 1 s (FEV1) (from 1.03 ± 0.76 to 1.28 ± 0.72), with percentage predicted values also increasing (FVC%: 40.4%±24.3–51.4%±23.1%; FEV1%: 37.8%±25.2–48.1%±22.7%; all P < 0.05). Conclusion: HPT effectively reduces spinal deformity severity and improves pulmonary function in patients with severe and rigid scoliosis and kyphoscoliosis. Sagittal kyphosis correction was notably greater than coronal scoliosis correction. The correlation between PFT improvements and coronal curve adjustments suggests that correcting the coronal Cobb angle is pivotal for pulmonary function enhancement. [ABSTRACT FROM AUTHOR]

Spinal alignment can be assessed without radiation using three-dimensional ultrasound imaging (3DUS). Reliable measurements could inform the ideal arm position for scoliosis radiographs. This study determined the inter-evaluator reliability of axial vertebral rotation (AVR) measurements and sagittal curve angles in healthy females from 3DUS spinal images in standing with two common radiograph arm positions: Chin and abduction (Abd). Three novice evaluators (R1, R2, and R3) measured images once. The Bland–Altman bias and limits of agreement (LOA) were calculated. T5-T12 kyphosis measurements met our bias and LOA error threshold only for R1 vs R2 in the Chin position [−0.53° (−10.7,9.7)]. The distance between the bias and the LOA also met our acceptable threshold of 5° for all mean AVRTwist, and all but one AVRTwist measurements (R1-R2_Chin = 5.9°). Three lordosis measurements did not meet our acceptable threshold (R1-R2_Chin, R1-R3_Chin, and R2-R3_Abd). The inter-evaluator reliability of novice evaluators was adequate and did not differ significantly between positions. [ABSTRACT FROM AUTHOR]

The article in the Journal of Fish Diseases discusses the prevalence and typology of skeletal abnormalities in fish from the Eastern Mediterranean. The study reports on various types of skeletal abnormalities found in specimens of 10 fish species from the Aegean Sea, with rates ranging from 3.3% to 28.6%. The research highlights the impact of anthropogenic pressures, pollution, and other factors on the occurrence of skeletal abnormalities in wild fish populations. The study emphasizes the need for further monitoring programs to understand the effects of fish abnormalities on natural stocks and mortality rates. [Extracted from the article]

Pelvic incidence minus lumbar lordosis mismatch (PI–LL) is directly related to poor quality of life in adult degenerative scoliosis (ADS) patients. The purpose of the study was to determine the most appropriate postoperative PI–LL value for patients with ADS. The medical records of patients with ADS in our department were retrospectively collected. The data included age, sex, body mass index, age-adjusted Charlson comorbidity index, osteopenia, length of hospital stay, operative duration, estimated blood loss, American Society of Anesthesiologists score, number of fusion levels, lumbar lordosis, sagittal vertical axis, pelvic incidence, PI–LL, Scoliosis Research Society-22 score, Oswestry Disability Index score, and mechanical complications. A total of 316 patients were enrolled. PI–LL, lumbar lordosis, sagittal vertical axis, Scoliosis Research Society-22 score, Oswestry Disability Index score at the time of last follow-up were 20.7 ± 8.5°, 23.4 ± 14.1°, 4.0 ± 2.1 cm, 3.7 ± 0.9, and 18.1 ± 5.5, respectively. In terms of mechanical complications, 88 patients (27.8%), 34 patients (10.8%), and 19 patients (6.0%) had proximal junctional kyphosis, distal junctional kyphosis, and implant-related complications, respectively. In the fully adjusted model, compared with 0 grade PI–LL group and ++ grade PI–LL group, + grade PI–LL group had the best clinical outcomes and the fewest mechanical complications. The stability of these conclusions was verified in sensitivity analyses. Optimal PI–LL value should be 10°–20° after corrective surgery in patients with ADS, which is associated with excellent clinical outcomes and lower complication rates. Previous criteria may be at risk of overcorrection, which may lead to proximal junctional kyphosis. [ABSTRACT FROM AUTHOR]

To elucidate the effect of global spinal alignment on cervical degeneration in patients with degenerative lumbar scoliosis (DLS). This study included 117 patients with DLS and 42 patients with lumbar spinal stenosis as a control group. Patients with DLS (study group) were categorized according to the Scoliosis Research Society–Schwab classification. Spinopelvic parameters were measured in cervical and full-length spine radiographs. Cervical degeneration was assessed using the cervical degeneration index (CDI) scoring system. There were significant differences in C2-C7 sagittal vertical axis, T1 slope, thoracic kyphosis, lumbar lordosis (LL), and pelvic tilt between DLS and control groups. Although the DLS and control groups did not differ significantly with regard to CDI scores, a striking difference was noted when sagittal spinopelvic modifiers were considered individually. Patients with a pelvic incidence (PI)–LL mismatch modifier grade of ++ had significantly higher CDI scores than patients with grade 0, and patients with a PI-LL or sagittal vertical axis modifier grade of ++ had significantly higher CDI scores than the control group. Disk narrowing scores were highest in patients with a PI-LL modifier grade of ++ followed by patients with a grade of +. Additionally, CDI scores were more associated with LL rather than cervical lordosis. Patients with DLS may be at greater risk of cervical spine degeneration, especially patients with a PI-LL or sagittal vertical axis modifier grade of ++. A surgical strategy for patients with DLS should be carefully selected considering the restoration of LL. [ABSTRACT FROM AUTHOR]

Purpose: We defined sagittal S-line tilt (SSLT) as the tilt of the line connecting the upper instrumented vertebra and the lower instrumented vertebra. This study aimed to: (1) examine the correlation between SSLT and proximal junctional angle (PJA) change values, and (2) determine the cut-off value of SSLT with respect to proximal junctional kyphosis (PJK) occurrence. Methods: Eighty-six consecutive patients (81 female and 5 male; mean age: 15.8 years) with Lenke 5C AIS who underwent posterior selective spinal fusion. Pearson's correlation coefficients were used to examine the relationship between preoperative SSLT and changes in PJA from preoperative to 2 years postoperative. The impact of SSLT on PJK at 2 years after surgery was assessed using a receiver operating characteristic (ROC) curve. Results: We observed a moderate positive correlation between preoperative SSLT and change in PJA (R = 0.541, P < 0.001). We identified 18 patients (21%) with PJK at 2 years postoperative. Mean preoperative SSLT in the PJK group and the non-PJK group differed significantly at 23.3 ± 4.1° and 16.1 ± 5.0°, respectively (P < 0.001). The cut-off value of preoperative SSLT for PJK at 2 years postoperative was 18° in ROC curve analysis, with a sensitivity of 94%, specificity of 68%, and area under the ROC curve of 0.868. Conclusion: In selective lumbar fusion for AIS Lenke type 5C curves, preoperative SSLT was significantly correlated with PJA change from preoperative to 2 years postoperative. SSLT was a predictor of PJK occurrence, with a cut-off value of 18°. [ABSTRACT FROM AUTHOR]

Spinal cord stress and strain contribute to degenerative cervical myelopathy (DCM), while cervical kyphosis is known to negatively impact surgical outcomes. In DCM, the relationship between spinal cord biomechanics, sagittal alignment, and cord compression is not well understood. Quantifying this relationship can guide surgical strategies. A previously validated three-dimensional finite element model of the human cervical spine with spinal cord was used. Three models of cervical alignment were created: lordosis (C2–C7 Cobb angle: 20°), straight (0°), and kyphosis (− 9°). C5–C6 spinal stenosis was simulated with ventral disk protrusions, reducing spinal canal diameters to 10 mm, 8 mm, and 6 mm. Spinal cord pre-stress and pre-strain due to alignment and compression were quantified. Cervical flexion and extension were simulated with a pure moment load of 2 Nm. The Von Mises stress and maximum principal strain of the whole spinal cord were calculated during neck motion and the relationship between spinal cord biomechanics, alignment, and compression was analyzed using linear regression analysis. Spinal cord pre-stress and pre-strain were greatest with kyphosis (7.53 kPa, 5.4%). Progressive kyphosis and stenosis were associated with an increase in spinal cord stress (R2 = 0.99) and strain (R2 = 0.99). Cervical kyphosis was associated with greater spinal cord stress and strain during neck flexion–extension and the magnitude of difference increased with increasing stenosis. Cervical kyphosis increases baseline spinal cord stress and strain. Incorporating sagittal alignment with compression to calculate spinal cord biomechanics is necessary to accurately quantify spinal stress and strain during neck flexion and extension. [ABSTRACT FROM AUTHOR]

Objective Methods Results Conclusions Due to the low incidence of achondroplasia (Ach), there is a relative lack of research on the treatment and management of spinal complications of Ach. Characteristics and interventions for spinal complications in patients with Ach are in urgent need of investigation. This study aimed to summarize the common spinal complications in patients with Ach and the corresponding treatment strategies.This study is a retrospective case series. We retrospectively collected and analyzed Ach cases who presented to our hospital with neurological symptoms due to skeletal anomalies between February 2003 and October 2023. A total of seven patients were included, four males (57.1%) and three females (42.9%) with a mean age of 38.57 years. Patient pain/numbness visual analog scale (VAS), preoperative Oswestry disability index (ODI), development of neurological complaints, and presentation of skeletal abnormalities were collected and followed up routinely at 3, 6, 12 and 24 months postoperatively. The relevant literature was reviewed.Seven patients were included in this series. The mean preoperative VAS was 4, and the mean preoperative ODI was 50.98%. All patients had concomitant spinal stenosis, four with thoracolumbar kyphosis (TLK), and one with scoliosis. Six of the seven patients underwent surgery, and one patient received conservative treatment. In the routine follow‐ups, all patients experienced satisfactory relief of symptoms. Only one of the seven patients developed a new rare lesion adjacent to the primary segments. Six months after the first surgery, a follow‐up visit revealed thoracic spinal stenosis caused by ossification of the ligamentum flavum, and his symptoms were relieved after thoracic decompression surgery.Ach seriously affects the skeletal development of patients and can lead to the development of spinal stenosis, spinal deformities, and other complications of the locomotor system. Surgery remains the primary treatment for complications of the musculoskeletal system. Specific surgical approaches and comprehensive, long‐term management are critical to the treatment of patients with spinal complications. [ABSTRACT FROM AUTHOR]

Computer simulation has indicated a significant effect of scapulothoracic orientation and posture on range of motion (ROM) after reverse total shoulder arthroplasty (RTSA). We analyzed this putative effect on the clinical and radiologic outcome post-RTSA. We retrospectively assessed 2-year follow-up data of RTSA patients treated at our clinic between 2008 and 2019. Patients were categorized into posture types A, B, and C based on an established method using scapular internal rotation on preoperative cross-sectional imaging. We compared differences in clinical ROM, pain, Subjective Shoulder Value, Constant Score, Shoulder Pain and Disability Index (SPADI), quality of life (EuroQol–5 Dimensions–5 Level utility index), and radiologic outcomes between posture types using linear regression analyses. Of 681 included patients, 225 had type A posture, 326 type B, and 130 type C. Baseline group characteristics were comparable, although the type C group had a higher proportion of females (60% [A], 64% [B], 80% [C]) with lower abduction strength (0.7 kg [A], 0.6 kg [B], 0.3 kg [C]) and a slightly higher proportion with a Grammont design RTSA (41% [A], 48% [B], 54% [C]). There were significant adjusted differences in mean (±standard deviation) active flexion (A: 137° ± 21°; B: 136° ± 20°; C: 131° ± 19°) and passive flexion (A: 140° ± 19°; B: 138° ± 19°; C: 134° ± 18°), active (A: 127° ± 26°; B: 125° ± 26°; C: 117° ± 27°) and passive abduction (A: 129° ± 24°; B: 128° ± 25°; C: 121° ± 25°), SPADI (A: 81 ± 18; B: 79 ± 20; C: 73 ± 23), and pain (A: 1.2 ± 1.7; B: 1.6 ± 2.2; C: 1.8 ± 2.4) between posture types at 2 years (P ≤.035). A higher distalization shoulder angle was associated with better abduction in type C patients (P =.016). Type C patients showed a trend toward a higher complication rate (3.9% vs. 1.1% [A], 3.2% [B]) (P =.067). Type C posture influences the 2-year clinical outcome of RTSA patients in terms of worse flexion, abduction, SPADI, and pain. Scapulothoracic orientation and posture should be considered during the patient selection process, preoperative planning, and implantation of an RTSA. [ABSTRACT FROM AUTHOR]

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Background: Thorough knowledge of the management of age-related hyperkyphosis is crucial to physiotherapists' effective handling of complex spinal deformities. Objective: This cross-sectional study investigated the knowledge, attitudes, and confidence of Thai physiotherapists regarding age-related hyperkyphosis. Methods: An online questionnaire with demographic, work-related, knowledge, attitude, and confidence questions was employed. The data analysis involved descriptive statistics, chi-square tests, and independent t-tests. Results: Complete responses were obtained from 314 physiotherapists. The correct responses amounted to 68.79% for the definition, 90.00% for causes, 14.97% for age of onset, 22.38% for prevalence, and 64.65% for the gold-standard diagnosis of hyperkyphosis. Most of the diagnostic methods involved visual examination. The respondents reported that hyperkyphosis disrupts respiratory function. The aim of treatment, according to 88.85%, was to increase spine mobility. Corrective posture exercises were the most common treatment strategy, but the range of treatments was diverse. Many cited undergraduate education as their primary evidence source. Respondents had conflicting attitudes towards "age-related hyperkyphosis is a normal aging process" but mostly positive attitudes towards the need for physiotherapy treatment. Approximately 22% reported fair confidence in treating hyperkyphosis. Conclusions: This study highlights the importance of raising awareness and enhancing knowledge, attitudes, and confidence among physiotherapists to improve care for older adults with hyperkyphosis. [ABSTRACT FROM AUTHOR]

Surgical management paradigms of spinal pathologies in the aging population carry inherent substantial risks, with surgical complications being more prevalent among patients with osteoporosis compared to those with normal bone mineral density. In this narrative review, we aim to highlight important clinical understanding and considerations in perioperative evaluation and management of patients elected to undergo spinal surgery. Osteoporosis is a well-defined risk factor for mechanical complications following spinal surgery, and as such, perioperative optimization of bone health in the setting of surgery for geriatric patients remains a critical research area alongside intraoperative surgical augmentation techniques. Surgical techniques to circumvent challenges with instrumentation of poor bone mineral density have included augmentation of pedicle screw fixation, including segmental bicortical screw fixation techniques, cement augmentation with fenestrated screws, or use of expandable pedicle screws to improve bone-implant interface. Judicious selection of treatment modalities and subsequent perioperative optimization is paramount to minimize surgical complications. Contemporary guidelines and evolving paradigms in perioperative evaluation, optimization, and management of the aging spine include the advent of quantitatively evaluating computed tomography (CT) via assessment of the magnitude of Hounsfield units. Prescribing pharmacotherapeutic agents and monitoring bone health requires a multidisciplinary team approach, including endocrinologists and geriatricians to coordinate high-quality care for advanced-age patients who require surgical management of their spinal disorders. [ABSTRACT FROM AUTHOR]

Objectives: We conducted a multicenter retrospective analysis to compare the clinical outcomes and complications associated with the posterior-anterior and posterior-only approaches in treating Thoracolumbar Junction (TLJ) Tuberculosis (TB) in children aged 3–10 years. Methods: Herein, 52 TLJ TB patients (age range = 3–10 years; mean age = 6.8 ± 2.2 years; females = 22; males = 30) treated with debridement, fusion, and instrumentation were recruited from two hospitals in China between May 2008 and February 2022, and their clinical data were reviewed retrospectively. Among them, 24 group A patients and 28 group B patients underwent the posterior-anterior and posterior-only approaches, respectively. The two groups were assessed for surgical time, blood loss, hospitalization duration, operative complications, inflammatory indicators, Visual Analog Scale (VAS) scores, Oswestry Disability Index (ODI) scores, kyphosis angles, and neurologic functions. Results or differences with P < 0.05 were considered statistically significant. Results: The average follow-up period was 37.5 ± 23.3 months. Compared to group A patients, group B patients exhibited significantly lower surgical time, blood loss amount, time it took to stand, and hospitalization duration, as well as fewer complications. Notably, the Erythrocyte Sedimentation Rate (ESR) and C-Reactive Protein (CRP) values of patients in both groups returned to normal one year post-surgery. Furthermore, compared to the preoperative values, patients' VAS and ODI scores, as well as neurological functions and kyphosis angles, were significantly improved postoperatively and at the final follow-up, but with no statistically significant differences between the two groups. Moreover, there was no internal fixation failure or TB recurrence, and all patients exhibited solid bone fusion at the last follow-up. Conclusion: For pediatric TLJ TB involving no or at most two segments, both posterior-anterior and posterior-only approaches could effectively remove lesions and decompress the spinal cord, restore spinal stability, correct kyphosis, and prevent deformity deterioration. Nonetheless, the posterior-only approach can more effectively shorten the surgical time, reduce related trauma and complications, and promote rapid recovery, making it a safer and highly preferable minimally invasive approach. [ABSTRACT FROM AUTHOR]

The relationship between posture and psyche has not been sufficiently studied and paid attention to, despite its importance and significant impact on life. The aims of present study are to systematically review the scientific framework of research on the relationship between depression and posture and conduct a comprehensive summary of previous analyses. The entered keywords were Depression, Posture, Alignment, gait and Spine deformities. A time filter was applied from 2000 to 2022. Studies that were conducted on people with special physical condition and diseases were excluded from the present research. The quality of the studies included in the current research was evaluated through the Newcastle–Ottawa scale. Also, the current research was based on the principles of PRISMA. In the initial search, 3075 articles were entered. Based on inclusion and exclusion criteria and after reviewing the abstracts and full texts, 23 articles were selected for final evaluation in the present study. 23 studies include ten case–control, nine cross-sectional, one pilot study, two Cohort and one periodic with overall High -medium quality. Various tools were used to evaluate posture and gait (such as cameras & Motion analysis system). In general, the findings of the studies show that people with depression have a more slumped posture. These people usually suffer from deformities such as kyphosis, forward head and forward shoulder. By reviewing the studies, we found a significant correlation between depression and spine abnormalities. It seems that this relationship is more evident in Girls than boys and happens more in high school ages. [ABSTRACT FROM AUTHOR]

Background: Severe kyphosis is a common condition in patients with advanced ankylosing spondylitis (AS). Although two-level osteotomy may serve as a potential alternative, it is often associated with increased blood loss and elevated surgical risks. To date, the optimal treatment for the challenging condition remains unclear. This study aims to introduce an effective strategy for the treatment of severe kyphosis secondary to AS, using one-level modified osteotomy combined with shoulders lifting correction method. Methods: Seventy AS kyphosis who were treated with the strategy from 2012 to 2022, were reviewed retrospectively. All patients were followed up for a minimum duration of 2 years. Spinal and pelvic parameters were measured, including pelvic tilt (PT), pelvic incidence (PI), sacral slope (SS), lumber lordosis (LL), PI and LL mismatch (PI-LL), thoracic kyphosis, global kyphosis (GK), T1 pelvic angle (TPA), sagittal vertical axis (SVA), osteotomized vertebral angle (OVA), and chin-brow vertical angle (CBVA). Parameters of local osteotomized complex were measured and calculated, including the height of osteotomized complex and the length of spinal cord shortening. Clinical outcome was evaluated using Scoliosis Research Society-22 and Oswestry Disability Index scores. Results: Seventy patients with average age of 39.8 years were followed-up for 29.3 months. Average operation time was 373.5 min, and average blood loss was 751.0 ml. Postoperatively, sagittal balance was successfully restored. GK decreased from 90.6° to 35.6°, LL decreased from 8.0° to -35.1°, TPA decreased from 56.8° to 27.8°, and SVA decreased from 24.4 cm to 8.7 cm (P < 0.05). A harmonious and matched spinopelvic alignment was achieved. PT decreased from 37.2° to 26.3°, PI-LL decreased from 54.1° to 10.2°, and SS increased from 9.2° to 19.7°(P < 0.05). Horizontal vision was obtained with postoperative CBVA of 8.8°. Average OVA correction was up to 47.3°, and the spinal cord was shortened by 24.3 mm, with a shortening rate of 36.0%. All patients demonstrated a favorable clinical outcome. No permanent nerve damage, screw loosening, rod breakage and main vascular injury were observed. One case required revision surgery due to screw cap loosening and delayed union. Solid bone fusion was achieved in all other patients. Conclusions: One-level modified osteotomy combined with shoulders lifting correction method is a safe and effective strategy for the treatment of severe AS kyphosis. This strategy offers a promising alternative for managing severe AS kyphosis, and may be particularly well-suited for individuals with concurrent osteoporosis. Level of evidence: Level IV, therapeutic study. [ABSTRACT FROM AUTHOR]