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002). The incidence of perioperative hypothermia according to age in the ISBPB group was 9.2% and 9.1% in the elderly and young groups, respectively, and there was no significant difference between the two groups (P = 0.983). Conclusions The incidence of perioperative hypothermia during arthroscopic shoulder surgery under ISBPB with propofol sedation is lower than that under general anesthesia. Furthermore, when using ISBPB with propofol sedation, the incidence of perioperative hypothermia in elderly patients is similar to that in younger patients.Background Since the Coronavirus diseases-19 (COVID-19) was reported in Wuhan, China, Korea has also been exposed to the virus. In Korea, COVID-19 screening guidelines have been established in each hospital, trying to prevent the spread of infection. A case of successful Cesarean section from confirmed mother has been reported, but there are no guidelines for suspected mothers. Cesarean section can be operated urgently without sufficient evaluations of the infection. Case Our hospital, located in Daegu, Korea, was designated as quarantine and delivery facility for suspected mother, and Cesarean section was done to seven suspected mothers and one confirmed mother. Conclusions This case report suggests the guideline for infection control of surgery and anesthesia in emergent cesarean section of COVID-19 suspected mother by preparing operating room and protection strategy.Background Neuroleukemiosis is a rare complication of leukemia. The diagnosis may be delayed owing to non-specific symptoms and the need for special diagnostic modalities. Case A 70-year-old man in his sixth year of remission from acute myeloid leukemia was referred to the pain clinic for shooting and radiating pain in the left posterior leg. A lumbar spine magnetic resonance imaging showed mild disc bulging of the L2-3, which was insufficient to explain the patient's symptoms. With insufficient pain response to lumbar epidural block and piriformis injection, we examined both sciatic nerves using an ultrasound and identified an enlarged hypoechoic mass on the left sciatic nerve at mid-thigh level. After that, We biopsied the mass under general anesthesia, and histology confirmed it to be neuroleukemiosis. Conclusions Ultrasound is an inexpensive, non-invasive, simple, and quick diagnostic modality that can be used as a screening tool in the diagnosis of neuroleukemiosis.Objective To analyze the prognosis factors of cerebrospinal fluid (CSF) spread after surgery in glioblastoma (GBM) patients when tumors progressed and the effect factors on prognosis. Methods A retrospective study was conducted on 124 patients who were pathologically diagnosed as glioblastoma after surgery, and found tumor progressed during regularly follow-up at Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University between January 2009 and August 2017.There were 82 males and 42 females, aged 47.9 years(range 19 to 75 years) .Patients were divided into local recurrence group(96 cases) and CSF spread group (28 cases) .Clinical data were recorded in detail and compared by independent sample t test or χ(2) test.Kaplan-Meier survival curves was used to demonstrated the distribution of progression free survival (PFS) overall survival (OS) and post progression survival (PPS), and differences between local recurrence and CSF spread groups were assessed by Log-rank test.Cox proportion hazard regression analysis was used to identify independent prognostic factors. Results Logistics regression analysis showed ventricle entry was the only prognosis factor of CSF spread (OR=2.667, 95% CI 1.128 to 6.304, P=0.025).No significant distinction was observed in PFS between CSF spread group and local recurrence group(7.0 months vs.9.3 months, P=0.066).However, OS and PPS were substantially shortened in CSF spread group (13.0 months vs.23.0 months, P=0.011; 6.0 months vs.11.0 months, P=0.022, respectively).Mutations of isocitrate dehydrogenase gene, distant spread, gross-total resection, Ki-67 index>30% were independent prognostic factors of GBM patients. Conclusions Ventricle entry is a prognosis factor for CSF spread, after which the median OS and PPS are markedly diminished.However, ventricle entry is not independent prognosis factor shortening survival.Objective To investigate the diagnose value of D-dimer for chronic periprosthetic infection (PJI) after hip and knee arthroplasty. Methods A retrospective analyze was conducted on 168 patients underwent revision arthroplasty and primary arthroplasty at the First Affiliated Hospital of Xinjiang Medical University from November 2017 to December 2018.There were 58 males and 110 females, aged(58.6±14.5)years.There were 48 cases of chronic PJI (21 cases of knee joint, 27 cases of hip joint), 57 cases of aseptic loosening (16 cases of knee joint, 41 cases of hip joint), and 63 cases of normal follow-up patients after hip (35 cases) or knee (28 cases) arthroplasty.The levels of D-dimer, erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) were collected.The levels of D-dimer in patients with chronic PJI of hip and knee joints were compared by Mann-Whitney U test.The diagnostic efficacy of D-dimer, ESR and CRP in chronic PJI of hip and knee joints was analyzed by receiver operator curve (ROC). Results Thnt, but the value of D-dimer in the diagnosis of chronic PJI is not better than ESR and CRP.Objective To examine the clinical effects of the treatment of knee osteoarthritis patients with kinematic alignment technique of total knee replacement (KA-TKA) assisted by patient-specific instrumentation (PSI). Methods The clinical data of 14 patients with knee osteoarthritis treated with unilateral KA-TKA assisted by PSI at Department of Orthopaedic Surgery, Beijing Chaoyang Hospital Affiliated to Capital Medical University from May 2018 to August 2019 were analyzed retrospectively. There were 6 males and 8 females, aged 66.6 years (range 56 to 79 years), 9 left knees and 5 right knees. The operation time, soft tissue release and extra varus or valgus osteotomy were recorded. The data of osteotomy blocks were measured and compared with the corresponding position of the prostheses. selleck kinase inhibitor The hip knee ankle angle (HKA), the mechanical distal femoral lateral angle (mLDFA) and the proximal tibial medial angle (MPTA) were measured before and 3 months after the operation. The knee joint functional score (KS-F) , knee joint clinical score (KS-C) and the Western Ontario McMaster (WOMAC) Osteoarthritis Index were recorded and compared by paired t test or Wilcoxon non-parametric test.