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Yoshiomi Kobayashi,Yoji Ogura,Takahiro Kitagawa,Yoshiro Yonezawa,Yohei Takahashi,Akimasa Yasuda,Yoshio Shinozaki,Jun Ogawa 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.2
Study Design: Retrospective chart audit. Purpose: This study aimed to investigate the gender difference in pre- and postoperative health-related quality of life (HRQOL) in patients who have had decompression surgery for lumbar spinal stenosis (LSS). Overview of Literature: Gender differences may contribute to variations in disease presentations and health outcomes. The influence of gender on pre- and postoperative HRQOL in spinal disorders remains unclear. Methods: We reviewed 125 patients (79 men and 46 women) who had lumbar spinous process splitting laminectomy (LSPSL) for LSS. We assessed the following clinical information: Japanese Orthopedic Association (JOA) score; numerical rating scale (NRS) for low back pain (LBP), leg pain, and leg numbness; Zurich Claudication Questionnaire; JOA Back Pain Evaluation Questionnaire; Roland-Morris Disability Questionnaire (RMDQ); and Short Form 8 (SF-8) as HRQOL. We compared the HRQOLs of men and women pre- and postoperatively. Results: Although the preoperative NRS results for LBP were significantly higher in women (p<0.05), there were no significant differences in clinical outcomes between men and women postoperatively. For HRQOL, the RMDQ scores were significantly worse in women preoperatively (p<0.05), but no significant differences were found postoperatively between men and women. Similarly, the SF-8 mental health score was also significantly lower in women preoperatively (p<0.05), but no significant differences were noted between the two groups postoperatively. Conclusions: LSPSL greatly reduced LBP, leg pain, and leg numbness in both genders. There were limited differences in pain and several HRQOL questionnaire responses between men and women after surgery. We found that women had greater sensitivity to and/or lower tolerance for pain than men, which led to lower HRQOL mental health scores preoperatively.
Shimokawa Tetsuya,Miyamoto Kei,Hioki Akira,Masuda Takahiro,Fushimi Kazunari,Ogawa Hiroyasu,Ohnishi Kazuichiro,Akiyama Haruhiko 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.2
Study Design: Cross-sectional observational study. Purpose: To examine whether pelvic rotation as a compensatory mechanism for sagittal imbalance is related to quality of life (QOL). Overview of Literature: Poor sagittal alignment is associated with compensatory pelvic retroversion and decreased QOL. Whether the compensatory pelvic tilt (PT) influences QOL is unclear. Methods: Overall, 134 subjects aged ≥20 years with lower back pain were included (104 females; mean age, 70±9.8 years). Sagittal vertical alignment (SVA) and PT were analyzed radiographically. Patients were stratified into three groups based on SVA values: good alignment (group G), intermediate alignment (group I), and poor sagittal alignment (group P). Patients in group I were further categorized into two groups: low PT and high PT. The Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ) was used for clinical assessment, and the scores were compared between groups. Results: As SVA increased, PT and lumbar lordosis (LL) increased and decreased, respectively. PT and LL differed significantly between groups G and P (p<0.01 for each comparison). Within group I, there was no significant difference in SVA between the high PT and low PT groups, suggesting that the high PT group had acquired a compensated sagittal balance. Importantly, all domains in the JOABPEQ (except for lower back pain) were significantly lower in the high PT group than in the low PT group (p<0.05 for every comparison). Conclusions: This study showed that focusing solely on SVA as a single indicator can cause important losses in QOL to be overlooked in patients with lumbar disorders. Although pelvic retroversion can compensate for sagittal balance, it is associated with a significant decrease in QOL. To improve the assessment of patients with lumbar disorders, PT should be considered besides SVA.
Masaki Onoyama,Takeshi Tsuka,Tomohiro Imagawa,Tomohiro Osaki,Saburo Minami,Kazuo Azuma,Kazuhiko Kawashima,Hiroshi Ishi,Takahiro Takayama,Nobuhiko Ogawa,Yoshiharu Okamoto 대한수의학회 2014 Journal of Veterinary Science Vol.15 No.1
Sixteen cases of malignant soft tissue sarcoma (STS; 10canines and six felines) were treated with a novel tripletherapy that combined photodynamic therapy, hyperthermiausing indocyanine green with a broadband light source, andlocal chemotherapy after surgical tumor resection. This tripletherapy was called photodynamic hyperthermal chemotherapy(PHCT). In all cases, the surgical margin was insufficient. Inone feline case, PHCT was performed without surgicalresection. PHCT was performed over an interval of 1 to 2 weeksand was repeated three to 21 times. No severe side effects,including severe skin burns, necrosis, or skin suture rupture,were observed in any of the animals. No disease recurrence wasobserved in seven out of 10 (70.0%) dogs and three out of six(50.0%) cats over the follow-up periods ranging from 238 to1901 days. These results suggest that PHCT decreases the riskof STS recurrence. PHCT should therefore be considered anadjuvant therapy for treating companion animals with STS inveterinary medicine.
Direct observation of bond formation in solution with femtosecond X-ray scattering
Kim, Kyung Hwan,Kim, Jong Goo,Nozawa, Shunsuke,Sato, Tokushi,Oang, Key Young,Kim, Tae Wu,Ki, Hosung,Jo, Junbeom,Park, Sungjun,Song, Changyong,Sato, Takahiro,Ogawa, Kanade,Togashi, Tadashi,Tono, Kensuk Nature Publishing Group, a division of Macmillan P 2015 Nature Vol.518 No.7539
The making and breaking of atomic bonds are essential processes in chemical reactions. Although the ultrafast dynamics of bond breaking have been studied intensively using time-resolved techniques, it is very difficult to study the structural dynamics of bond making, mainly because of its bimolecular nature. It is especially difficult to initiate and follow diffusion-limited bond formation in solution with ultrahigh time resolution. Here we use femtosecond time-resolved X-ray solution scattering to visualize the formation of a gold trimer complex, [Au(CN)<SUB>2</SUB><SUP>–</SUP>]<SUB>3</SUB> in real time without the limitation imposed by slow diffusion. This photoexcited gold trimer, which has weakly bound gold atoms in the ground state, undergoes a sequence of structural changes, and our experiments probe the dynamics of individual reaction steps, including covalent bond formation, the bent-to-linear transition, bond contraction and tetramer formation with a time resolution of ∼500 femtoseconds. We also determined the three-dimensional structures of reaction intermediates with sub-ångström spatial resolution. This work demonstrates that it is possible to track in detail and in real time the structural changes that occur during a chemical reaction in solution using X-ray free-electron lasers and advanced analysis of time-resolved solution scattering data.