Haruki Funao
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View article: Association Between Lumbar Spinal Stenosis and Accelerated Biological Aging Estimated by PhenoAge
Association Between Lumbar Spinal Stenosis and Accelerated Biological Aging Estimated by PhenoAge Open
Background/Objectives: PhenoAge utilizes biochemical biomarkers to differentiate mortality risk in persons of the same chronological age. However, the details of the relationship between PhenoAge and lumbar spinal stenosis (LSS) remain unc…
View article: Machine Learning Approaches for Early Detection of Ossification of Posterior Longitudinal Ligament in Health Screening Settings
Machine Learning Approaches for Early Detection of Ossification of Posterior Longitudinal Ligament in Health Screening Settings Open
Early detection of ossification of the posterior longitudinal ligament (OPLL) is hampered by the late onset of neurological symptoms, so we built and validated an interpretable machine learning model to identify OPLL during routine health …
View article: Characteristics and Clinical Outcomes of Transition from Conservative Therapy to Surgical Intervention in Older Patients with Cervical Spinal Cord Injury without Major Bone Injury: A Nationwide Retrospective Study
Characteristics and Clinical Outcomes of Transition from Conservative Therapy to Surgical Intervention in Older Patients with Cervical Spinal Cord Injury without Major Bone Injury: A Nationwide Retrospective Study Open
A significant proportion of older patients with CSCI without major bone injury who were initially managed conservatively eventually required surgery due to insufficient neurological improvement. The outcomes of patients who transitioned to…
View article: The Short and Intensive Rehabilitation（SHAiR）Program for Patients with Dropped Head Syndrome
The Short and Intensive Rehabilitation（SHAiR）Program for Patients with Dropped Head Syndrome Open
View article: Influence of Diabetes Mellitus on Neurological Recovery in Older Patients With Cervical Spinal Cord Injury Without Bone Injury: A Retrospective Multicenter Study
Influence of Diabetes Mellitus on Neurological Recovery in Older Patients With Cervical Spinal Cord Injury Without Bone Injury: A Retrospective Multicenter Study Open
Study Design Retrospective study. Objectives To investigate the impact of diabetes mellitus on neurological recovery and determine the relationship between moderate-severe diabetes and neurological recovery in patients with cervical spinal…
View article: Effects of Palliative Surgical Treatment for Spinal Metastases on the Patient’s Quality of Life With a Focus on the Segment of the Metastasis: A Prospective Multicenter Study
Effects of Palliative Surgical Treatment for Spinal Metastases on the Patient’s Quality of Life With a Focus on the Segment of the Metastasis: A Prospective Multicenter Study Open
Study Design Prospective multicenter study. Objectives Palliative surgery is crucial for maintaining the quality of life (QOL) in patients with spinal metastases. This study aimed to compare the short-term outcomes of QOL after palliative …
View article: Is Intraoperative Blood Loss Volume in Elderly Cervical Spine Injury Surgery Greater in Patients with Ankylosis? A Multicenter Survey
Is Intraoperative Blood Loss Volume in Elderly Cervical Spine Injury Surgery Greater in Patients with Ankylosis? A Multicenter Survey Open
This study revealed that ankylosis was significantly associated with increased blood loss volume when unadjusted by surgical time. Elderly patients with cervical spine injury accompanied by ankylosis appear predisposed to higher bleeding a…
View article: Impact of malnutrition on mortality and neurological recovery of older patients with spinal cord injury
Impact of malnutrition on mortality and neurological recovery of older patients with spinal cord injury Open
This retrospective cohort study established malnutrition’s impact on mortality and neurological recovery of older patients with cervical spinal cord injury (SCI). It included patients aged ≥ 65 years with traumatic cervical SCI treated con…
View article: Satisfaction following correction of spinal deformity: Cultural and regional effects on outcome
Satisfaction following correction of spinal deformity: Cultural and regional effects on outcome Open
View article: Safety and Efficacy of Tranexamic Acid in Spinal Surgery: A Systematic Review and Meta-Analysis
Safety and Efficacy of Tranexamic Acid in Spinal Surgery: A Systematic Review and Meta-Analysis Open
TXA is effective in reducing intraoperative and overall blood loss in spinal surgery without increasing the risk of complications. These findings support the use of TXA to improve patient outcomes. However, caution should be exercised beca…
View article: Clinical Results after Release of Sternocleidomastoid Muscle Surgery for Neglected Congenital Muscular Torticollis—Unipolar vs. Bipolar Release Surgery
Clinical Results after Release of Sternocleidomastoid Muscle Surgery for Neglected Congenital Muscular Torticollis—Unipolar vs. Bipolar Release Surgery Open
Background: Although the surgical release of the sternocleidomastoid muscle (SCM) is required for residual congenital muscular torticollis (CMT), the surgical outcomes between bipolar and unipolar SCM release remained unclear. The purpose …
View article: Trunk orthosis with joints providing resistive force improves dynamic sagittal alignment in postoperative patients with lumbar spinal stenosis
Trunk orthosis with joints providing resistive force improves dynamic sagittal alignment in postoperative patients with lumbar spinal stenosis Open
This study aimed to determine whether a trunk orthosis with joints providing resistive force (TORF) modifies sagittal malalignment during level walking in patients with lumbar spinal stenosis (LSS). Fifteen patients, 6 months after undergo…
View article: Proximal Junctional Failure in Adult Spinal Deformity Surgery: An In-depth Review
Proximal Junctional Failure in Adult Spinal Deformity Surgery: An In-depth Review Open
Adult spinal deformity (ASD) surgery aims to correct abnormal spinal curvature in adults, leading to improved functionality and reduced pain. However, this surgery is associated with various complications, one of which is proximal junction…
View article: Navigation-Assisted Micro-Window Excision of Thoracic Ossification of Ligamentum Flavum (Mishima Surgery) in Professional Baseball Pitchers: A Case Report and Technical Note
Navigation-Assisted Micro-Window Excision of Thoracic Ossification of Ligamentum Flavum (Mishima Surgery) in Professional Baseball Pitchers: A Case Report and Technical Note Open
Background and Objectives: Thoracic ossification of the ligamentum flavum (OLF) often causes myelopathy and/or radiculopathy. The disease is frequently observed in East Asian populations. Although thoracic OLF in young athletes who have un…
View article: Radiographic Outcomes of the Short and Intensive Rehabilitation (SHAiR) Program in Patients with Dropped Head Syndrome
Radiographic Outcomes of the Short and Intensive Rehabilitation (SHAiR) Program in Patients with Dropped Head Syndrome Open
Background: The radiographic outcomes of nonoperative treatment of dropped head syndrome are still unknown. The purpose of the present study was to assess the change in sagittal spinopelvic radiographic parameters after the short and inten…
View article: Revolutionizing Spinal Care: Current Applications and Future Directions of Artificial Intelligence and Machine Learning
Revolutionizing Spinal Care: Current Applications and Future Directions of Artificial Intelligence and Machine Learning Open
Artificial intelligence (AI) and machine learning (ML) are rapidly becoming integral components of modern healthcare, offering new avenues for diagnosis, treatment, and outcome prediction. This review explores their current applications an…
View article: Intradural extramedullary cavernous hemangioma involving S2 nerve root: A case report and review of the literature
Intradural extramedullary cavernous hemangioma involving S2 nerve root: A case report and review of the literature Open
Intradural extramedullary cavernous hemangioma involving the nerve fiber is a rare clinical entity. Here, we report an extremely rare case of cavernous hemangioma that presented as an intradural extramedullary tumor involving the left S2 n…
View article: Comparative Study of Anticipatory Postural Adjustments between Normal and Cervical Myelopathy Patients
Comparative Study of Anticipatory Postural Adjustments between Normal and Cervical Myelopathy Patients Open
Patients with cervical spondylotic myelopathy or ossification of the posterior longitudinal ligament have been considered to be prone to falls due to lower extremity dysfunction and gait instability. Anticipatory postural adjustments (APAs…
View article: Delirium Risk Score in Elderly Patients with Cervical Spinal Cord Injury and/or Cervical Fracture
Delirium Risk Score in Elderly Patients with Cervical Spinal Cord Injury and/or Cervical Fracture Open
The number of elderly patients with cervical trauma is increasing. Such patients are considered to be at high risk for delirium, which is an acute neuropsychological disorder that reduces the patient’s capacity to interact with their envir…
View article: Protective Attitudes toward Occupational Radiation Exposure among Spine Surgeons in Japan: An Epidemiological Description from the Survey by the Society for Minimally Invasive Spinal Treatment
Protective Attitudes toward Occupational Radiation Exposure among Spine Surgeons in Japan: An Epidemiological Description from the Survey by the Society for Minimally Invasive Spinal Treatment Open
Background and Objectives: The global trend toward increased protection of medical personnel from occupational radiation exposure requires efforts to promote protection from radiation on a societal scale. To develop effective educational p…
View article: Association between the Phase Angle and the Severity of Horizontal Gaze Disorder in Patients with Idiopathic Dropped Head Syndrome: A Cross-Sectional Study
Association between the Phase Angle and the Severity of Horizontal Gaze Disorder in Patients with Idiopathic Dropped Head Syndrome: A Cross-Sectional Study Open
Background and Objectives: The phase angle, calculated by bioelectrical impedance analysis, can help elucidate the pathology of patients with idiopathic dropped head syndrome (IDHS) and explain the motor dysfunction associated with the hor…
View article: Effects of Dementia on Outcomes after Cervical Spine Injuries in Elderly Patients: Evaluation of 1512 Cases in a Nationwide Multicenter Study in Japan
Effects of Dementia on Outcomes after Cervical Spine Injuries in Elderly Patients: Evaluation of 1512 Cases in a Nationwide Multicenter Study in Japan Open
We aimed to retrospectively investigate the demographic characteristics and short-term outcomes of traumatic cervical spine injuries in patients with dementia. We enrolled 1512 patients aged ≥ 65 years with traumatic cervical injuries regi…
View article: Characteristics of the cervical spine and cervical cord injuries in older adults with cervical ossification of the posterior longitudinal ligament
Characteristics of the cervical spine and cervical cord injuries in older adults with cervical ossification of the posterior longitudinal ligament Open
View article: Risk Factors for Early Mortality in Older Patients with Traumatic Cervical Spine Injuries—A Multicenter Retrospective Study of 1512 Cases
Risk Factors for Early Mortality in Older Patients with Traumatic Cervical Spine Injuries—A Multicenter Retrospective Study of 1512 Cases Open
For older patients with decreased reserve function, traumatic cervical spine injuries frequently lead to early mortality. However, the prognostic factors for early mortality remain unclear. This study included patients aged ≥65 years and h…
View article: Epidemiology of Cervical Fracture/Cervical Spinal Cord Injury and Changes in Surgical Treatment Modalities in Elderly Individuals During a 10-year Period: A Nationwide Multicenter Study in Japan
Epidemiology of Cervical Fracture/Cervical Spinal Cord Injury and Changes in Surgical Treatment Modalities in Elderly Individuals During a 10-year Period: A Nationwide Multicenter Study in Japan Open
Study Design Retrospective multicenter study Objectives To investigate changes over a 10-years period in the profile of cervical spine and spinal cord injuries among the elderly in Japan. Methods The current multicenter study was a retrosp…
View article: Multicenter Prospective Study of Lateral Lumbar Interbody Fusions Using Bioactive Porous Titanium Spacers without Bone Grafts
Multicenter Prospective Study of Lateral Lumbar Interbody Fusions Using Bioactive Porous Titanium Spacers without Bone Grafts Open
Study Design: Prospective multicenter clinical study.Purpose: To evaluate the efficacy of bioactive surface treatment for porous titanium spacers without bone graft for lateral lumbar interbody fusion (LLIF) through clinical and radiologic…
View article: Differences in clinical characteristics of cervical spine injuries in older adults by external causes: a multicenter study of 1512 cases
Differences in clinical characteristics of cervical spine injuries in older adults by external causes: a multicenter study of 1512 cases Open
View article: Minimally Invasive Spinal Treatment (MIST)—A New Concept in the Treatment of Spinal Diseases: A Narrative Review
Minimally Invasive Spinal Treatment (MIST)—A New Concept in the Treatment of Spinal Diseases: A Narrative Review Open
In the past two decades, minimally invasive spine surgery (MISS) techniques have been developed for spinal surgery. Historically, minimizing invasiveness in decompression surgery was initially reported as a MISS technique. In recent years,…
View article: The History and Development of the Percutaneous Pedicle Screw (PPS) System
The History and Development of the Percutaneous Pedicle Screw (PPS) System Open
Minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) using the SEXTANT® system (Medtronic) featured the first generation of commercially available percutaneous pedicle screw (PPS) system in 2001. The innovative system has s…
View article: Minimally Invasive Spine Stabilization for Pyogenic Spondylodiscitis: A 23-Case Series and Review of Literature
Minimally Invasive Spine Stabilization for Pyogenic Spondylodiscitis: A 23-Case Series and Review of Literature Open
Background and Objectives: The incidence of pyogenic spondylodiscitis has been increasing due to the aging of the population. Although surgical treatment is performed for refractory pyogenic spondylodiscitis, surgical invasiveness should b…