[HTML][HTML] State-of-the-art transforaminal percutaneous endoscopic lumbar surgery under local anesthesia: discectomy, foraminoplasty, and ventral facetectomy

K Sairyo, T Chikawa, A Nagamachi - Journal of Orthopaedic Science, 2018 - Elsevier
Transforaminal (TF) percutaneous endoscopic surgery for the lumbar spine under the local
anesthesia was initiated in 2003 in Japan. Since it requires only an 8-mm skin incision and …

Conservative treatment for bony healing in pediatric lumbar spondylolysis

…, K Yamashita, Y Takata, K Higashino, A Nagamachi… - Spine, 2017 - journals.lww.com
Study Design. A retrospective review of prospectively collected data. Objective. The aim of
this study was to investigate recent outcomes of conservative treatment for bony healing in …

Incidence and clinical features of sacral insufficiency fracture in the emergency department

Y Tamaki, A Nagamachi, K Inoue, M Takeuchi… - The American Journal of …, 2017 - Elsevier
Introduction A sacral insufficiency fracture (SIF) often manifests as low back pain or sciatica
in the absence of any antecedent trauma. These fractures may be missed because of lack of …

A new concept of transforaminal ventral facetectomy including simultaneous decompression of foraminal and lateral recess stenosis: technical considerations in a …

…, T Chikawa, H Yonezu, A Nagamachi… - The Journal of Medical …, 2017 - jstage.jst.go.jp
Percutaneous endoscopic surgery for the lumbar spine, which was established in the last
decade, requires only an 8-mm skin incision and causes minimal damage to the paravertebral …

[HTML][HTML] Full-endoscopic trans-kambin triangle lumbar interbody fusion: surgical technique and nomenclature

…, T Sakai, T Maeda, A Nagamachi… - … Surgery Part A …, 2022 - thieme-connect.com
Background Full-endoscopic lumbar surgery is used for decompression of lumbar spinal
canal stenosis. Now, a cage can be inserted through Kambin's triangle for lumbar interbody …

[HTML][HTML] State-of-the-art management of low back pain in athletes: instructional lecture

K Sairyo, A Nagamachi - Journal of Orthopaedic Science, 2016 - Elsevier
In this paper, we describe “state of the art” on the diagnosis and treatment for low back pain
in athletes. Lumbar motion that induces specific pain would be a clue to the exact diagnosis. …

Clinical significance of high-intensity zone for discogenic low back pain: a review

…, M Morimoto, S Fukuta, A Nagamachi… - The Journal of Medical …, 2016 - jstage.jst.go.jp
High-intensity zone (HIZ) was originally described as a high-intensity signal on T2-weighted
magnetic resonance (MR) images, located in the posterior annulus fibrosus, clearly …

Anatomical considerations of the iliac crest on percutaneous endoscopic discectomy using a transforaminal approach

…, Y Takata, K Higashino, T Chikawa, A Nagamachi… - The Spine Journal, 2017 - Elsevier
Background Context Percutaneous endoscopic discectomy is a minimally invasive procedure
for the surgical treatment of lumbar disc herniation (LDH). It can be performed under local …

Characteristics of lumbar spondylolysis in elementary school age children

…, K Higashino, M Sato, Y Mase, A Nagamachi… - European Spine …, 2016 - Springer
Purpose Lumbar spondylolysis, a stress fracture of the pars interarticularis in the lumbar
spine, is often precipitated by trauma, but there may be a congenital predisposition to this …

Morphometric changes of the lumbar intervertebral foramen after percutaneous endoscopic foraminoplasty under local anesthesia

T Henmi, T Terai, A Nagamachi… - Journal of Neurological …, 2018 - thieme-connect.com
Background Percutaneous endoscopic diskectomy (PED) for the lumbar spine is a relatively
new technique that is becoming more common due to its relatively less invasive nature. …