Masayuki Ohashi
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View article: Struggle hours for endless demands: When a child with obsessive-compulsive disorder wears parents down?
Struggle hours for endless demands: When a child with obsessive-compulsive disorder wears parents down? Open
Background: To evaluate time-of-day-specific functional impairments in children with obsessive–compulsive disorder (OCD) and identify related clinical and psychosocial factors. Methods: The registry data for a total of 136 children diagnos…
View article: Normality of sagittal spinal alignment parameters reveals evolutionary signals in healthy adults across five countries
Normality of sagittal spinal alignment parameters reveals evolutionary signals in healthy adults across five countries Open
The evolution of upright bipedalism required coordinated modifications in spinal curvature, pelvic orientation, and lower limb structure. However, it remains unclear whether sagittal alignment traits in modern humans have reached evolution…
View article: Factors Associated with Frailty Transitions Using the Kihon Checklist: A 6-Year Longitudinal Study Among Japanese Residents
Factors Associated with Frailty Transitions Using the Kihon Checklist: A 6-Year Longitudinal Study Among Japanese Residents Open
Key protective factors included social engagement, absence of fear of falling, oral function, cognitive health, and maintaining body weight. Regular outings prevented frailty and facilitated recovery, highlighting practical community-level…
View article: Shifting strains: Parenting daily burden in girls with eating disorders—Assessed via the Questionnaire‐Children with Difficulties
Shifting strains: Parenting daily burden in girls with eating disorders—Assessed via the Questionnaire‐Children with Difficulties Open
Aim This study evaluated daily functional difficulties among girls with EDs via the Questionnaire‐Children with Difficulties (QCD). We examined the associations between daily functioning and physical, psychosocial, and clinical factors. Fu…
View article: Association between preoperative proximal thoracic curve flexibility and postoperative spontaneous correction in Lenke type 1 adolescent idiopathic scoliosis: a retrospective study
Association between preoperative proximal thoracic curve flexibility and postoperative spontaneous correction in Lenke type 1 adolescent idiopathic scoliosis: a retrospective study Open
Lenke type 1 adolescent idiopathic scoliosis (AIS) is characterized by a structural main thoracic (MT) curve and a non-structural proximal thoracic (PT) curve. Accurate prediction of postoperative PT curve correction is crucial for achievi…
View article: Regional disparities in Japanese children's mental health profession shortage areas
Regional disparities in Japanese children's mental health profession shortage areas Open
Aim This study aims to investigate regional disparities in the distribution of child and adolescent mental health professionals in Japan. It focuses on identifying areas where access to specialists is limited and proposes potential solutio…
View article: L5 osteotomy combined with adjuvant romosozumab therapy for L5 osteoporotic vertebral fracture–induced spinal deformity: illustrative case
L5 osteotomy combined with adjuvant romosozumab therapy for L5 osteoporotic vertebral fracture–induced spinal deformity: illustrative case Open
BACKGROUND Spinal reconstruction of an L5 osteoporotic vertebral fracture (OVF) is a demanding surgery because of the condition’s rarity, poor bone quality, and anatomical reasons. To date, there has been little debate regarding the surgic…
View article: Identifying factors that exacerbate frailty using the Kihon Checklist: A six-year longitudinal study among Japanese residents
Identifying factors that exacerbate frailty using the Kihon Checklist: A six-year longitudinal study among Japanese residents Open
Aim This study aimed to identify factors preventing or exacerbating frailty using the Kihon Checklist (KCL). Methods This non-interventional, retrospective study included participants aged 70 years in 2016 and 76 years in 2022 and evaluate…
View article: Anatomical Pelvic Parameters Using the Anterior Pelvic Plane: Relationships with Standing Sagittal Spinal Alignment and Estimated Lumbar Alignment in Healthy Volunteers
Anatomical Pelvic Parameters Using the Anterior Pelvic Plane: Relationships with Standing Sagittal Spinal Alignment and Estimated Lumbar Alignment in Healthy Volunteers Open
Novel relationships in a healthy population were identified between the anatomical characteristics of the pelvis and standing sagittal parameters not represented by PI. This novel measurement concept based on the APP may estimate natural s…
View article: The COVID‐19 pandemic‐induced behavioral restrictions and their impact on child and adolescent psychiatric units—Infection control or freedom
The COVID‐19 pandemic‐induced behavioral restrictions and their impact on child and adolescent psychiatric units—Infection control or freedom Open
Aim This study examines the impact of COVID‐19 pandemic‐induced behavioral restrictions on child psychiatric inpatients in Japan, particularly focusing on limitations placed on outings and overnight stays as infection‐control measures. Met…
View article: Efficient water evaporation using black-silicon
Efficient water evaporation using black-silicon Open
The black Silicon (b-Si) - plasma etched nanostructured surface of crystalline Si - was used as a light absorber due to its extremely low reflectivity (< 1%) at visible to near-IR spectra range. Flat Fresnel lenses of 1.47 and 0.36 m2 were…
View article: Primary spinal cord gliomas: Pathologic features associated with prognosis
Primary spinal cord gliomas: Pathologic features associated with prognosis Open
Primary spinal cord gliomas are rare and are associated with high mortality. Unlike brain tumors, the clinicopathological features of spinal cord gliomas are not well defined. We analyzed clinical, histopathology, and immunohistochemical f…
View article: Actions of remimazolam on inhibitory transmission of rat spinal dorsal horn neurons
Actions of remimazolam on inhibitory transmission of rat spinal dorsal horn neurons Open
Remimazolam is an ultra-short benzodiazepine that acts on the benzodiazepine site of γ-aminobutyric acid (GABA) receptors in the brain and induces sedation. Although GABA receptors are found localized in the spinal dorsal horn, no previous…
View article: Omega-conotoxin MVIIA reduces neuropathic pain after spinal cord injury by inhibiting N-type voltage-dependent calcium channels on spinal dorsal horn
Omega-conotoxin MVIIA reduces neuropathic pain after spinal cord injury by inhibiting N-type voltage-dependent calcium channels on spinal dorsal horn Open
Spinal cord injury (SCI) leads to the development of neuropathic pain. Although a multitude of pathological processes contribute to SCI-induced pain, excessive intracellular calcium accumulation and voltage-gated calcium-channel upregulati…
View article: Anatomical Pelvic Parameters Using the Anterior Pelvic Plane: Normative Values and Estimation of the Standing Sagittal Alignment in Healthy Volunteers
Anatomical Pelvic Parameters Using the Anterior Pelvic Plane: Normative Values and Estimation of the Standing Sagittal Alignment in Healthy Volunteers Open
As per the results of this study, significant correlations were noted among parameters and predicting models for positional parameters (SS and PT) using anatomical parameters (aSS and aPT) in a healthy population. This novel measurement co…
View article: Gait Analysis by the Severity of Gait Disturbance in Patients with Compressive Cervical Myelopathy
Gait Analysis by the Severity of Gait Disturbance in Patients with Compressive Cervical Myelopathy Open
Decreases in stride length, swing phase, and gait speed and increases in step angle, stance phase, and double support duration are compensatory changes as cervical myelopathy progresses. Step width is a compensatory change that is not sign…
View article: Determining factors that maintain physical function or increase frailty using the Kihon checklist among community-dwelling older adults: a six-year longitudinal study in Agano, Japan
Determining factors that maintain physical function or increase frailty using the Kihon checklist among community-dwelling older adults: a six-year longitudinal study in Agano, Japan Open
Background A significant increase in the older adult population in Japan will significantly increase healthcare costs. This study aimed to examine the risk factors contributing to robustness transitioning to frailty in older residents. Met…
View article: Impact of spinal sagittal malalignment on locomotive syndrome and physical function in community-dwelling older women
Impact of spinal sagittal malalignment on locomotive syndrome and physical function in community-dwelling older women Open
Background Adult spinal deformity has a substantially debilitating effect on older people’s physical and mental health. However, the impact of sagittal malalignment on locomotive syndrome (LS), sarcopenia, and physical function in communit…
View article: Virulence plasmids in clinical isolates of Rhodococcus equi from sick foals in the Netherlands
Virulence plasmids in clinical isolates of Rhodococcus equi from sick foals in the Netherlands Open
Clinical samples from 123 foals with suspected rhodococcosis submitted to the Veterinary Microbiological Diagnostic Centre of the Faculty of Veterinary Medicine between 1993 and 2006 were tested for the presence of the virulence gene vapA.…
View article: Effect of adjuvant therapy with teriparatide in patients with thoracolumbar osteoporotic vertebral fractures who underwent vertebroplasty with posterior spinal fusion
Effect of adjuvant therapy with teriparatide in patients with thoracolumbar osteoporotic vertebral fractures who underwent vertebroplasty with posterior spinal fusion Open
Teriparatide (TPTD) administration has a potent osteogenic action and promotes the healing of osteoporotic vertebral fractures (OVFs). We aimed to investigate the outcomes of vertebroplasty with posterior spinal fusion (VP + PSF) and deter…
View article: Mid- to Long-Term Outcomes After Resection of Thoracic Dumbbell Tumors Managed by Laminectomy and Unilateral Total Facetectomy Without Instrumented Fusion
Mid- to Long-Term Outcomes After Resection of Thoracic Dumbbell Tumors Managed by Laminectomy and Unilateral Total Facetectomy Without Instrumented Fusion Open
Study Design: Retrospective multicenter study. Objective: To evaluate mid- to long-term surgical outcomes of thoracic dumbbell tumors managed by laminectomy and unilateral total facetectomy without instrumented fusion. Methods: A total of …
View article: Randomized trial of granulocyte colony-stimulating factor for spinal cord injury
Randomized trial of granulocyte colony-stimulating factor for spinal cord injury Open
Attenuation of the secondary injury of spinal cord injury (SCI) can suppress the spread of spinal cord tissue damage, possibly resulting in spinal cord sparing that can improve functional prognoses. Granulocyte colony-stimulating factor (G…
View article: Short- versus long-segment posterior spinal fusion with vertebroplasty for osteoporotic vertebral collapse with neurological impairment in thoracolumbar spine: a multicenter study
Short- versus long-segment posterior spinal fusion with vertebroplasty for osteoporotic vertebral collapse with neurological impairment in thoracolumbar spine: a multicenter study Open
Background Vertebroplasty with posterior spinal fusion (VP + PSF) is one of the most widely accepted surgical techniques for treating osteoporotic vertebral collapse (OVC). Nevertheless, the effect of the extent of fusion on surgical outco…
View article: Effect of Bisphosphonates or Teriparatide on Mechanical Complications after Posterior Instrumented Fusion for Osteoporotic Vertebral Fracture: A Multi-center Retrospective Study
Effect of Bisphosphonates or Teriparatide on Mechanical Complications after Posterior Instrumented Fusion for Osteoporotic Vertebral Fracture: A Multi-center Retrospective Study Open
Background: The optimal treatment of osteoporosis after reconstruction surgery for osteoporotic vertebral fractures (OVF) remains unclear. In this multicentre retrospective study, we investigated the effects of typically used agents for os…