BACKGROUND: It is well known that Methicillin-resistant Staphylococcus aureus (MRSA) is hardly controllable organism among pathogens of nosocomial infection. The MRSA infection control measures have been initiated at a brand new tertiary care teaching hospital which was opened in June, 1994. However, the control measures did bring out little effect. In 1997, reenforcement of all control measures were practiced in intensive care units. The measures brought out a significant improvement in reducing the incidence of MRSA infection, subsequently the same control measures were implemented through-out the entire inpatient area. METHODS: The following control measures have been reenforced since March 1997: first, application of thorough surveillance of confirmed MRSA infected patients: second, providing cohort care: third, enforcing handwashing practices after patient contact; fourth, establishing infected patients isolation zone: fifth, tagging infected patient's bed and medical record, providing disinfectant spray for washing hands, identifying and treating carriers among patient contact staffs, separate disposal of contaminated wastes, and finally repeating education of nursing staff and family members of the patients. Each month the number of incidence in MRSA nosocomial infection were followed and the leu supervisors were notified the outcome. RESULTS: The incidence of MRSA infection started to decline soon after the initiation of the control measures, from 132% in March 1997 to 5.8% in July 1997. In 1998, the infection rate maintained close to 2-3%. There had been 467 MRSA infected cases (5.7%) out of 8,253 discharges during the study period; among them 319 cases were infected once; 40 cases twice; 15 cases three times: four cases four times and 1 case seven times. The order of preference of organs infected are lungs (56.3%), wounds(11.8%), blood (7.9%), and urinary tract (1.9%). The highest incidence of this infection was found in Medicine (34.8%) and Neurosurgery (22.8%) CONCLUSION: The implementation and reenforcement of infection control measures are key to successful control of nosocomial infection, in particular, hand washing of patient contact staffs and eradication of carriers could be the most effective measures.
Cohort Studies ; Cross Infection* ; Education ; Hand ; Hand Disinfection ; Hospitals, Teaching ; Humans ; Incidence ; Infection Control ; Inpatients ; Intensive Care Units* ; Critical Care* ; Lung ; Medical Records ; Methicillin-Resistant Staphylococcus aureus* ; Neurosurgery ; Nursing Staff ; Tertiary Healthcare ; Urinary Tract

Blood utilization review has recently been used to minimize inappropriate transfusion, reduce post transfusion infections and improve the quality of transfusion practices. Ajou University Hospital is a 906 bed tertiary care teaching institution. Since March, 1995, the concurrent review of blood transfusion requests using institutional blood transfusion criteria has been initiated. To evaluate the effectiveness of the transfusion review, the units of blood components transfused per patient(total number of units of blood components transfused/total number of patients discharged) and inappropriate transfusion ratio of blood components(total number of units of blood components inappropriately transfused/total number of units of blood components transfused) were compared during the concurrent review for 9 months and pre-concurrent review for 9 months, respectively. The possible savings of blood components realized by the review were also extrapolated. The results were as follows : 1. The unit transfused per patient for pre-review and during review were 0.675 (9,080/ 13,422) and 0.654(12,123/18,546) for packed RBC(PRBC); 0.417 (5,602/ 13,422) and 0.296 (5,444/18,546) for fresh frozen plasma(FFP); 0.372(5,007/13,422) and 0.424(7,868/18,546) for platelet con-centrates(PC), respectively. 2. The inappropriate transfusion ratio of blood components for pre-review and during review were 0.039 and 0.009 for PRBC; 0.321 and 0.064 for FFP; 0.143 and 0.008 for PC, respectively. These differences were statistically significant(p=0.000). 3. The PRBC and FFP anticipated to have been saved by this review was 519 units and 2,992 units annually, respectively. 4. However, 2,621 units of PC were used additionaly during this review due to increased number of oncology patients and better hemostatic therapy practiced during the same period. In conclusion, the concurrent review of transfusion requests was very effective tool to educate residents in clinical departments the transfusion medicine and improve utilization of blood and its components.
Blood Platelets ; Blood Transfusion* ; Concurrent Review* ; Humans ; Income ; Tertiary Healthcare ; Transfusion Medicine ; Utilization Review

The demand for high quality, safe and quantity for healthcare is increasing while the resources remain unchanged. Adoption of better information technology can achieve significant improvements in quality and safety of healthcare delivery in the environment of increasing pressure on healthcare systems. This will also contribute to contain healthcare cost in the long run. Many developed and developing countries in the world pay attention on appropriate use of information communication technology(ICT) in healthcare domain. Some countries such as the US, UK, Australia, Canada and others adopted strategic plan of National Health Information Infrastructure for next 10 years. The objectives for ICT application of developed countries are summarized as: - To improve access to clinical records; - To reduce clinical errors and improve safety of patients; - To improve access to quality information on health for patients and healthcare professionals; - To improve efficiency of healthcare processes; and - To contain healthcare costs. The core of the ICT adoption in health is to have universal availability of electronic health and clinical records(EHR) at the point of care. This review, therefore, briefly described the definition, architectures, essential functionalities and applicable standards of EHR.
Australia ; Canada ; Delivery of Health Care ; Developed Countries ; Developing Countries ; Electronic Health Records* ; Health Care Costs ; Humans

BACKGROUND: The HLA-DR and DQ genes are known to show in strong linkage disequilibrium. Authors investigated the allele frequencies of HLA-DQB1 genes and HLA-DQB1-DRB1 haplotypic associations in Koreans. METHODS: HLA-DRB1 and DQB1 typing were performed in 120 unrelated Koreans consisting of normal tissue donors and patients with hematologic diseases using polymerase chain reaction-reverse dot blot hybridization method with INNO-LiPA HLA-DRB and DQB kits (INNOGENETICS, Zwijndrecht, Belgium). Haplotypic associations between DRB1 and DQB1 alleles were calculated according to the formula from Mattiuz et al. RESULTS:1. Allele frequencies of the five most common DQB1 alleles were DQB1* 0301, 14.4%; 0303, 11.0%; 0302, 9.6%; 0601, 9.2%; 0401, 8.7%. 2. Haplotype frequencies (%) of the ten most common DQB1*-DRB1* haplotypes were 0303-0901, 9.17%; 0401-0405, 8.71%; 0602-1501/03/04, 7.35%; 0501-0101, 7.35%; 0601-0803, 5.98%; 0609-1302, 5.10%; 0503-1405, 4.69%; 0302-0406, 4.26%; 0301-1101/10/12 or 1104, 4.26%; 02-0701, 4.23%. They consisted 61.1% of total haplotypes in this study. CONCLUSIONS: The results of this study may be useful as basic data of Koreans for anthropology, accurate interpretaion of DRB1 and DQB1 typing and quality control of genotyping.
Alleles* ; Anthropology ; Gene Frequency* ; Haplotypes ; Hematologic Diseases ; HLA-DR Antigens ; HLA-DRB1 Chains ; Humans ; Linkage Disequilibrium ; Quality Control ; Tissue Donors

Sebaceous carcinoma is a particularly common malignant tumor of the eyelid. Therefore, this lesion is important to ophthalmologist. Recently, there appears to have been an increased incidence or recognition of sebaceous carcinomas of the eyelid, which had been previously believed to be very rare. Frequently mistaken for a recurrent chalazion, invasion by sebaceous carcinoma is frequently enhanced by repeat curettage and forms of therapy that obscure the true diagnosis. This tumor is difficult to completely resect due to intraepithelial widespread, so its prognosis is poor. The authors experienced two cases of sebaceous carcinoma of the eyelid. One was a 57 year old female patient who was treated with surgical resection and the other was a 71 year old male with cervical lymph node metastasis. He was treated with surgical resection, but he rejected radiotherapy.
Aged ; Chalazion ; Curettage ; Diagnosis ; Eyelids* ; Female ; Humans ; Incidence ; Lymph Nodes ; Male ; Middle Aged ; Neoplasm Metastasis ; Prognosis ; Radiotherapy

PURPOSE: The clinical significance of preoperative serum levels of CEA and CA19-9, levels of CEA and CA19-9 in peritoneal washing fluid and free cancer cells in peritoneal washing fluid in gastric cancer patients were evaluated in this study. MATERIALS AND METHODS: Serum and peritoneal levels of CEA and CA19-9 and peritoneal washing cytology in 115 patients with gastric cancer were analyzed with respect to the prognostic factors using univariate and multivariate analysis. RESULTS: Positive rate of serum CEA and CA19-9 was 16.5%, 13.0%. And that of peritoneal washing CEA, CA19-9 and cytology was 15.7%, 7.8% and 9.6%. A univariate analysis showed that tumor markets in serum and peritoneal washing fluid and peritoneal washing cytology had significant correlations with the progression of the tumors, and patients with positive serum or peritoneal tumor markers had poorer survival after operation than did the patients with negative tumor markers. But in a multivariate analysis showed that only peritoneal CA19-9 was an independent risk factor. And combination of these five markers provided rnore predictable prognostic informations in a multivariate analysis. CONCLUSION: Combination of serum or peritoneal levels of CEA, CA19-9 and washing cytology appeared to be a useful marker for managing gastric cancer patients.
Humans ; Multivariate Analysis ; Risk Factors ; Stomach Neoplasms ; Biomarkers, Tumor

BACKGROUND: Infections caused by vancomycin-resistant enterococci (VRE) are becoming increasingly prevalent throughout the world. VRE can spread by direct patient-to-patient contact as well as on the hands of personnel and contaminated environmental surfaces. The purpose of this study was to examine the incidence of VRE among total enterococci from clinical specimen and investigate the antimicrobial characteristics and resistance genotypes of isolated VRE. METHODS: A total of 790 enterococcal isolates from patients over a period of 12 months were screened for vancomycin resistance using brain heart infusion agar plates supplemented with 6 g/mL of vancomycin. The incidence of VRE among enterococcal isolates was calculated from microbiology statistics program. Twenty three isolates of VRE were tested for minimal inhibitory concentrations (MIC) of vancomycin, penicillin, and gentamicin and resistance genotypes. RESULTS: In the first half period, the incidence of VRE was 1.9%, and in the second half, the incidence increased to 7.7%. Thirteen strains were found to be highly resistant to vancomycin, penicillin and gentamicin (MIC, >128 g/mL). According to the direct PCR analyses, the frequency of vanB, vanC1, and vanC2 types was 13, 7, and 3 strains, respectively. CONCLUSIONS: Continued vigilance, strict enforcement of infection control, and curtailment of vancomycin use seem to be our best approaches to controlling this increasingly important problem. For this purposes, accurate and timely detection of vancomycin-resistance and periodic investigation for incidence are essential.
Agar ; Brain ; Genotype* ; Gentamicins ; Hand ; Heart ; Humans ; Incidence* ; Infection Control ; Penicillins ; Polymerase Chain Reaction ; Vancomycin ; Vancomycin Resistance

BACKGROUND: Apart from devaluing the basic skills of history taking and clinical examinations, the indiscriminate use of STAT tests is increasing in hospital practice. The purpose of this study is to evaluate the appropriateness of the STAT test requests in a tertiary care teaching university hospital. METHODS: We assessed the reasons for the STAT test requests on 644 patients (inpatients 338, emergency room patients 215, and outpatients 91), totaling 1,681 requests, during a 2 week period (between August 8 to 22, 1996) by discussing with the clinicians and nurses and/or reviewing the patient's records. RESULTS: Of 1,681 requests, 779 (46.3%) were considered inappropriate according to the criteria used to define categories. Inappropriate requests were detected in 45.1% (265/588) in wards, 49.0% (446/910) in the emergency room, and 37.2% (68/183) in the out patient department. The frequency of requests during the day showed two peaks: the first between 10 and 11 a.m., and the second between 3 and 4 p.m., which appears to indicate that the STAT tests are often requested for the convenience of the physician rather than true need of the patients. CONCLUSIONS: Many STAT tests are requested for reasons other than true emergencies. Inconsiderate, wasteful, and disruptive STAT test requests imposed an extra burden on the laboratory and resulted in a delay of reports on other true STAT or routine tests. Strategies to reduce the number of inappropriate STAT tests should be established in order to reserve the emergency service for situations of true need.
Emergencies ; Emergency Service, Hospital ; Humans ; Outpatients ; Tertiary Healthcare

No abstract available.
Prostate* ; Prostate-Specific Antigen*

In March 1999, we have inaugurated the first academic Department Of Medical Jnformatics (DOMI) at Kyungpook National University School of Medicine in Korea. The initial intent of DOMI is to cover the basics of information science for medical students in order to cope with future medical environment. The purpose of this study is to analyze student response from the medical informatics class to settle in as a regular course of medical education curriculum. The informatics lecture consists of series of 18 lectures to introduce computer and information sciences, basics of internet, laboratory, radiology, telemedicine, patient administration, clinical and management information systems. We conducted a survey before and after the lecture for 150 first year medical students. Both evaluation results were compared to observe any significant changes were acquired. Before the lecture, respondents were reluctant to have computer-related lecture due to resistance of curriculum changes. After the lecture, it is surprising to note that student attitude toward informatics lecture was dramatically changed. Positive views of medical informatics were dominant, and respondents strongly recommended medical informatics lecture to be continued. In addition, a new graduate study program of medical informatics is in operational beginning 2000. The graduate study is designed to offer master s degree for training information specialists in hospital, and doctoral degree for developing faculty and researchers to prepare for the progress of medical informatics in the future.
Curriculum ; Surveys and Questionnaires ; Education ; Education, Medical ; Gyeongsangbuk-do ; Humans ; Informatics ; Information Science ; Information Services ; Internet ; Korea ; Lectures ; Management Information Systems ; Medical Informatics* ; Students, Medical ; Telemedicine