Demineralized homogenous bone matrix is reported to have no antigenic activity and its osteoinductive prcoess is faster than that of undemineralized homogenous bone. The present authors studied on the osteoinduction of demineralized human osteosarcoma in rat's muscle pouch. The results showed that demineralized human osteosarcoma tissue can induce new bone though there were inflammatory signs and giant. cell reaction. The osteoinductive process seemed to be delayed compared to that of demineralized homogenous bone matrix. The authors believed that further immunological investigations are needed to clarify the cause of these tissue response.
Bone Matrix ; Humans ; Osteosarcoma

No abstract available.
Anesthesia, Spinal* ; Cesarean Section* ; Female ; Humans ; Infant, Newborn* ; Pregnancy

PURPOSE: This study aims to understand the influence of college entrance system-related factors and scores of college scholastic ability test on a first year nursing student's academic achievement. METHODS: Data collected include both a descriptive survey designed to assess college entrance system-related factors with respect to 182 nursing students attending a 4-year nursing college program and their test scores in the first year. The data were analyzed via descriptive statistics, Mann-Whitney U test, Kruskal-Wallis test with Bonferroni's correction, and Spearman's rank correlation coefficient through an SPSS 18.0 program. RESULTS: Student academic achievement with regard to college entrance system-related factors exhibited significant divergence from first year grade point averages (hereafter GPA) and natural science grades. CONCLUSION: This study confirmed the existence of significant differences, depending on the factors regarding the college entrance system. As a result, conducting assessment to evaluate the level of basic knowledge before college entrance is highly recommended. Also recommended is the development of a support program for students projected to have difficulties with respect to their academic achievement.
Education ; Humans ; Natural Science Disciplines ; Nursing ; School Admission Criteria ; Students, Nursing*

Pigmentary demarcation lines are borders of abrupt transition between more deeply pigmented skin and that of lighter pigmentation. We describe two patients with pigmentary demarcation lines associated with pregnancy symrnetrially involving the buttocks and flexor as jects of legs. Hormonal changes in pregnancy and compression by the enlarged uterus of Sl and S2 peripheral nerves may be responsible for these changes.
Buttocks ; Humans ; Leg ; Peripheral Nerves ; Pigmentation ; Pregnancy* ; Skin ; Uterus

BACKGROUND: Dementia has emerged as a leading public health problem with elderly persons and its early detection is important for treatment in curable cases. Although dementia screening tests are available, they are still complex and time consuming in practice and therefore difficult to use. Our goal was to validate the time and change(T&C) test, a simple, standardized method for detecting dementia in the elderly populations. METHODS: Participants were 59 patients aged 65 years or older at an urban hospital from November 1 to December 31, 2001. The time test evaluated the understanding of clock hands indicating 11:10, and the change test the ability making 1,000 Won from a group of coins consisting one 500 Won, seven 100 Won, seven 50 Won. T&C ratings were validated against a reference standard based on physician`s diagnosis. Test-retest reliability and inter-observer reliability were assessed. RESULTS: The T&C test had a sensitivity of 73.0%, specificity of 90.9%, positive predictive value of 93.1%, and negative predictive value of 66.7%. Test-retest and inter-observer agreement rates were 95% and 95%, respectively. The T&C test was not influenced by education. The time and change tests took a mean of 7.5 seconds and 19.6 seconds to complete respectively, and was acceptable to participants. When timed cut points were added, the T&C test had a sensitivity of 86.5%, specificity of 40.9% and test-retest and inter-observer agreement rates were 77.3% and 81.8%, respectively. CONCLUSION: The T&C test is a simple, accurate reliable, performance-based tool for detection of dementia in the elderly.
Aged* ; Dementia* ; Diagnosis ; Education ; Hand ; Hospitals, Urban ; Humans ; Mass Screening* ; Numismatics ; Public Health ; Sensitivity and Specificity

A case of established infected nonunion of femur after open reduction and internal fixation of proximal femoral fracture with plate and screws in a 20-year-old man has been satisfactorily treated with a conventional Kiintscher nail filled with antibiotic laden bone cement in its hollow cavity. Though the removal of plate and screws, wound debridement, insertion of antibiotic laden bone cement bead at the nonunion site with temporary external skeletal fixation and skeletal traction preceded, a rigid fixation by the nail and vancomycin elution from the cement are believed to have contributed for bony union without troublesome complication of infection in this case.
Debridement ; Femoral Fractures ; Femur* ; Fracture Fixation ; Humans ; Traction ; Vancomycin ; Wounds and Injuries ; Young Adult

Purpose: Vaccine hesitancy is among the top ten threats to global health, and access to precise data on adverse events following immunization (AEFIs) is imperative to alleviate public concerns surrounding vaccines. This study aimed to present the overall trends of AEFIs reported in South Korea. Materials and Methods: We evaluated the trends of AEFIs using the Korea Institute of Drug Safety & Risk Management-Korea Adverse Event Reporting System database between January 2005 and December 2017. AEFIs were classified into five categories to evaluate associations between vaccines and AEFIs through a case-non-case study: neurologic reactions, general systemic reactions, local reactions, allergic reactions, and others. Results: Among 54378 reported adverse events (AEs) associated with all vaccines approved in South Korea, more than half (56.7%) occurred following influenza vaccination, followed by the pneumococcal (11.6%) and Bacillus Calmette-Guérin (BCG) vaccines (5.0%). After immunization with most vaccines, general systemic reactions were most common, followed by local and neurologic reactions. Adjusted reporting odds ratios were calculated for all neurologic, general, local, and allergic reactions: of all vaccines, rotavirus [neurologic 2.43, 95% confidence interval (CI), 2.25–2.62], BCG (general; 2.20, 95% CI, 1.91–2.53), BCG (local; 3.15, 95% CI, 2.69–3.68), and Japanese encephalitis (allergic 2.38, 95% CI, 1.98–2.87) vaccines showed the highest values. Conclusion The majority of reported AEFIs were non-serious and mostly general systemic reactions. Sufficient knowledge on the AEFIs would secure public confidence on the safety of vaccines, thereby reducing public health burden from vaccine-preventable diseases.

A 45-Year-old para 1-0-1-1 had submucosal myoma diagnosed by ultrasonogram and hysteroscopic examination. During 60 minutes hysteroscopic myomectomy, 8,000 ml of sorbitol-mannitol distention medium was used and 6,500 ml collected, resulting in a deficit of 1,500 ml. The patient received Ringer`s lactate 1,000 ml intravenously. Her urine output was 400 ml. Blood loss was 40 ml. After operation, hyponatremia(115 mEq/L) was developed and pulmonary edema was also diagnosed clinically at that time and later confirmed by chest radiograph. The judicious administration of diuretics and normal saline fluid replacement to prevent overcorrection to hypernatremia resulted in return of serum electrolytes to normal level and resolution of the pulmonary edema by postoperative day 1. We have experienced a case of pulmonary edema during hysteroscopic myomectomy with sorbitol-mannitol distention medium, which is presented with a brief review of literatures.
Diuretics ; Electrolytes ; Humans ; Hypernatremia ; Hyponatremia ; Lactic Acid ; Middle Aged ; Myoma ; Pulmonary Edema* ; Radiography, Thoracic ; Ultrasonography

BACKGROUND: Perioperative noxious stimuli and inflammation may induce peripheral and central sensitization. Together, these changes contribute to the state of postinjury pain hypersensitivity found postoperatively. Preemptive analgesia may prevent nociceptive inputs generated during surgery from sensitizing central neurones and may therefore, reduce postoperative pain. We studied whether or not intravenous meperidine infusion before induction could affect postoperative pain and analgesic consumption when compared with intravenous meperidine infusion at peritoneum closure. METHODS: Female patients scheduled for cesarean section were randomly assigned to one of two groups for prospective study. Group I (n=10) received intravenous meperidine (0.5 mg/kg) 5 minutes before induction of anesthesia and group II (n=10) received the same treatment at peritoneal closure. Both groups had a continuous infusion of meperidine (5 mg/hr) immediately after intravenous bolus meperidine. Postoperative pain relief was provided with intravenous meperidine from a PCA system (Walkmed , Medex, USA). Postoperative visual analogue pain scores (VAS), meperidine consumption and side effects were examined and compared between the groups for two postoperative days. RESULTS: At two hours post surgery VAS at rest were below 3 in both groups and were not statistically significant. VAS on motion were slightly higher than VAS at rest in both groups and were not statistically significant. There was no significant difference in meperidine consumption. There were minor side effects such as nausea, somnolence, dizziness and pruritus, but no patients needed any treatment and all of them were satisfied. CONCLUSION: Preemptive or postincisional intravenous PCA with meperidine was equally effective for postoperative analgesia after cesarean section, with minor side effects. These results suggested that there was no reason for applying preemptive analgesia for cesarean section patients. Further studies will be needed to evaluate preemptive effects of intravenous meperidine or other analgesics in cesarean section patients.
Analgesia* ; Analgesics ; Anesthesia ; Central Nervous System Sensitization ; Cesarean Section* ; Dizziness ; Female ; Humans ; Hypersensitivity ; Inflammation ; Meperidine* ; Nausea ; Neurons ; Pain, Postoperative ; Passive Cutaneous Anaphylaxis ; Peritoneum ; Pregnancy ; Prospective Studies ; Pruritus

No abstract available.
Acanthoma*