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급속히 전신 상태가 악화되는 다발성 척추 압박 골절 환자에서 시행한 다구간 척추성형술 -증례 보고-
변종민,박학수,김진 대한마취통증의학회 2014 Anesthesia and pain medicine Vol.9 No.3
Vertebral compression fractures are the most prevalent complicationsof osteoporosis, with symptoms of low back pains. Basically,the vertebral compression fractures are regarded as a self-limitingdisease, and thus, conservative treatment is enough for most cases,but nevertheless, they have the potential to cause significant ratesof disability and morbidity. Percutaneous vertebroplasty is a widelyused minimally invasive procedure, where the outcome is largelyaffected according to appropriate selections of patients and the timeof the procedures. We hereby report a multi-level percutaneousvertebroplasty for a patient with multiple compression fractureswhich accompanies the Kummell`s disease with rapidly deterioratinggeneral condition despite his conservative treatments.
변종민,김세훈,김진우,김영문,김영도,Byun, Jong-Min,Kim, Se-Hoon,Kim, Jin-Woo,Kim, Young-Moon,Kim, Young-Do 한국분말야금학회 2011 한국분말재료학회지 (KPMI) Vol.18 No.4
In this study, gradient porous Al-Cu sintered body was fabricated by powder metallurgy processing. Al-Cu powder mixtures were prepared by low energy ball milling with various milling time. After ball milling for 3h, the shape of powder mixtures changed to spherical type with size of 100~500 ${\mu}m$. Subsequently, Al-Cu powder mixtures were classified (under 150, 150~300 and over 300 ${\mu}m$) and compacted (20, 50 and 100 MPa). Then, they were sintered at $600^{\circ}C$ for various holding time (10, 30, 60 and 120 min) in $N_2$ atmosphere. The sintered bodies had 32~45% of porosity. As a result, the optimum holding time was determined to be 60 min at $600^{\circ}C$ and sintered bodies with various porosity were obtained by controlling the compacting pressure.
변종민,박학수,우재희,김진숙 대한통증학회 2014 The Korean Journal of Pain Vol.27 No.4
Background: Lumbar transforaminal epidural steroid injections (TFESIs) are performed to provide symptom relief in patients with radicular pain. Recent articles suggested that injected volume itself have analgesic effects and higher volumes are associated with better outcomes. To date, few studies have been conducted to investigate the effects of volume. Therefore, well-designed controlled studies were necessary to confirm the effect of volume itself on pain relief. The purpose of this study was to examine the effectiveness of a forceful saline injection on lumbar TFESI using non-particulate steroids. Methods: Fifty consecutive patients with lumbar radicular pain were enrolled. The participants were allocated into one of two groups: dexamethasone with volume (Group DV) and dexamethasone alone (Group DO). The volume was delivered by a forceful injection of 5ml of normal saline. The primary end-point for this study was a VAS pain score and modified MacNab score indicating the rate of effectiveness at the four-week follow-up. Results: There were no significant post-procedural VAS differences between two groups (P = .252). The effectiveness rate among the patients was 47.8% in DV group, 34.8% in DO group, measured by modified MacNab score. The difference was not statistically significant (P = .117). Conclusions: A forceful saline injection did not have a significant effect during the treatment of radicular pain. Further studies with greater volumes and with additional techniques would offer a more conclusive perspective.