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Undiagnosed Peripheral Nerve Disease in Patients with Failed Lumbar Disc Surgery
Tomohiro Yamauchi,김경성,Toyohiko Isu,Naotaka Iwamoto,Kazuyoshi Yamazaki,Juntaro, Matsumoto,Masanori Isobe 대한척추외과학회 2018 Asian Spine Journal Vol.12 No.4
Study Design: Retrospective study (level of evidence=3). Purpose: We examine the relationship between residual symptoms after discectomy for lumbar disc herniation and peripheral nerve (PN) neuropathy. Overview of Literature: Patients may report persistent or recurrent symptoms after lumbar disc herniation surgery; others fail to respond to a variety of treatments. Some PN neuropathies elicit symptoms similar to those of lumbar spine disease. Methods: We retrospectively analyzed data for 13 patients treated for persistent (n=2) or recurrent (n=11) low back pain (LBP) and/or leg pain after primary lumbar discectomy. Results: Lumbar re-operation was required for four patients (three with recurrent lumbar disc herniation and one with lumbar canal stenosis). Superior cluneal nerve (SCN) entrapment neuropathy (EN) was noted in 12 patients; SCN block improved the symptoms for eight of these patients. In total, nine patients underwent PN surgery (SCN-EN, n=4; peroneal nerve EN, n=3; tarsal tunnel syndrome, n=1). Their symptoms improved significantly. Conclusions: Concomitant PN disease should be considered for patients with failed back surgery syndrome manifesting as persistent or recurrent LBP.
Takehisa Matsumoto,Masatomo Kawakubo,Mayumi Shiohara,Toshiko Kumagai,Eiko Hidaka,Kazuyoshi Yamauchi,Kozue Oana,Kenji Matsuzawa,Hiroyoshi Ota,Yoshiyuki Kawakami 한국미생물학회 2009 The journal of microbiology Vol.47 No.2
“Helicobacter heilmannii” is an uncultivable spiral-shaped bacterium inhabiting the human gastric mucosa. It is larger and more tightly-coiled than H. pylori. We encountered a patient with chronic gastritis infected a “H. heilmannii”-like organism (HHLO), designated as SH6. Gastric mucosa derived from the patient was orally ingested by specific pathogen free mice. Colonization of the mice by SH6 was confirmed by electron microscopy of gastric tissue specimens. In an attempt to characterize SH6, 16S rRNA and urease genes were sequenced. The 16S rRNA gene sequence was most similar (99.4%; 1,437/1,445 bp) to HHLO C4E from a cheetah. However, the urease gene sequence displayed low similarity (81.7%; 1,240/1,516 bp) with HHLO C4E. Taxonomic analysis disclosed that SH6 represents a novel strain and should constitute a novel taxon in the phylogenetic trees, being discriminated from any other taxon, with the ability of infecting human gastric mucosa.