Publications by authors named "A Matsumine"
Study Design: Retrospective cohort study.
Objective: De novo postoperative urinary retention (POUR) after lumbar posterior decompression surgery for lumbar spinal canal stenosis (LSCS) is a statistically known but uncommon complication for both patients and spine surgeons. The aim of this study is to review clinical data and imaging findings and identify preoperative predictors of de novo POUR.
Article Synopsis
- - The text discusses intradiscal condoliase injection, a treatment for lumbar disc herniation (LDH) developed in Japan in 2018, serving as a middle ground between conservative therapy and surgery, with a focus on understanding its effectiveness and limitations.
- - A review of 19 studies was conducted, showing a 78% overall response rate to the treatment, with factors like age and duration of the disease influencing the outcomes and response rates, especially in young patients.
- - Despite some challenges in assessing long-term results due to study variability, intradiscal condoliase injection is deemed a minimally invasive and cost-effective option for treating LDH, necessitating thorough evaluation of past conservative and surgical treatments for proper patient
Article Synopsis
- Adjacent segment degeneration (ASD) is a common complication after posterior lumbar interbody fusion (PLIF), with early-onset ASD differing from late-onset forms.
- A study on 170 patients with L4 degenerative spondylolisthesis found a 20.6% rate of early-onset ASD within 2 years post-surgery, linked to specific risk factors.
- Key risk factors identified include preoperative larger % slip, vertebral bone marrow edema on preoperative MRI (odds ratio 16.8), and significant surgical disc space distraction, emphasizing the importance of careful assessment before fusion surgery.
The incidence of cervical spinal cord injury (CSCI) without major bone injury is increasing, possibly because older people typically have pre-existing cervical spinal canal stenosis. The demographics, neurological injury, treatment, and prognosis of this type of CSCI differ from those of CSCI with bone or central cord injury. Spine surgeons worldwide are debating on the optimal management of CSCI without major bone injury.
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