This report presents the latest statistics on the stroke population in South Korea, sourced from the Clinical Research Collaborations for Stroke in Korea-National Institute for Health (CRCS-K-NIH), a comprehensive, nationwide, multicenter stroke registry. The Korean cohort, unlike western populations, shows a male-to-female ratio of 1.5, attributed to lower risk factors in Korean women. The average ages for men and women are 67 and 73 years, respectively.Hypertension is the most common risk factor (67%), consistent with global trends, but there is a higher prevalence of diabetes (35%) and smoking (21%). The prevalence of atrial fibrillation (19%) is lower than in western populations, suggesting effective prevention strategies in the general population. A high incidence of large artery atherosclerosis (38%) is observed, likely due to prevalent intracranial arterial disease in East Asians and advanced imaging techniques.There has been a decrease in intravenous thrombolysis rates, from 12% in 2017–2019 to 10% in 2021, with no improvements in door-to-needle and door-to-puncture times, worsened by the coronavirus disease 2019 pandemic. While the use of aspirin plus clopidogrel for noncardioembolic stroke and direct oral anticoagulants for atrial fibrillation is well-established, the application of direct oral anticoagulants for non-atrial fibrillation cardioembolic strokes in the acute phase requires further research. The incidence of early neurological deterioration (13%) and the cumulative incidence of recurrent stroke at 3 months (3%) align with global figures. Favorable outcomes at 3 months (63%) are comparable internationally, yet the lack of improvement in dependency at 3 months highlights the need for advancements in acute stroke care.

Background: We investigated the association between geographic proximity to hospitals and the administration rate of reperfusion therapy for acute ischemic stroke. Methods: We identified patients with acute ischemic stroke who visited the hospital within 12 hours of symptom onset from a prospective nationwide multicenter stroke registry. Reperfusion therapy was classified as intravenous thrombolysis (IVT), endovascular therapy (EVT), or combined therapy. The association between the proportion of patients who were treated with reperfusion therapy and the ground transport time was evaluated using a spline regression analysis adjusted for patient-level characteristics. We also estimated the proportion of Korean population that lived within each 30-minute incremental service area from 67 stroke centers accredited by the Korean Stroke Society. Results: Of 12,172 patients (mean age, 68 ± 13 years; men, 59.7%) who met the eligibility criteria, 96.5% lived within 90 minutes of ground transport time from the admitting hospital. The proportion of patients treated with IVT decreased significantly when stroke patients lived beyond 90 minutes of the transport time (P = 0.006). The proportion treated with EVT also showed a similar trend with the transport time. Based on the residential area, 98.4% of Korean population was accessible to 67 stroke centers within 90 minutes. Conclusion The use of reperfusion therapy for acute stroke decreased when patients lived beyond 90 minutes of the ground transport time from the hospital. More than 95% of the South Korean population was accessible to 67 stroke centers within 90 minutes of the ground transport time.

Background: We investigated the association between geographic proximity to hospitals and the administration rate of reperfusion therapy for acute ischemic stroke. Methods: We identified patients with acute ischemic stroke who visited the hospital within 12 hours of symptom onset from a prospective nationwide multicenter stroke registry. Reperfusion therapy was classified as intravenous thrombolysis (IVT), endovascular therapy (EVT), or combined therapy. The association between the proportion of patients who were treated with reperfusion therapy and the ground transport time was evaluated using a spline regression analysis adjusted for patient-level characteristics. We also estimated the proportion of Korean population that lived within each 30-minute incremental service area from 67 stroke centers accredited by the Korean Stroke Society. Results: Of 12,172 patients (mean age, 68 ± 13 years; men, 59.7%) who met the eligibility criteria, 96.5% lived within 90 minutes of ground transport time from the admitting hospital. The proportion of patients treated with IVT decreased significantly when stroke patients lived beyond 90 minutes of the transport time (P = 0.006). The proportion treated with EVT also showed a similar trend with the transport time. Based on the residential area, 98.4% of Korean population was accessible to 67 stroke centers within 90 minutes. Conclusion The use of reperfusion therapy for acute stroke decreased when patients lived beyond 90 minutes of the ground transport time from the hospital. More than 95% of the South Korean population was accessible to 67 stroke centers within 90 minutes of the ground transport time.

This study aimed to investigate whether mass drug administration (MDA) intervention has an equivalent effect on reducing the prevalence and intensity of Schistosoma haematobium infection regardless of the baseline values. A repeated cross-sectional survey was performed targeting students of 12 primary schools in Al Jabalain and El Salam districts of White Nile State, Sudan, at both 1 week before and 8 months after the MDA. Prior to the baseline survey, school-aged children in Al Jabalain had received MDA interventions twice in 4 years, while those in El Salam had not. The baseline prevalence was 9.1% in Al Jabalain and 35.2% in El Salam, which were reduced to 1.8% and 5.5% at 8 months after the MDA, respectively. The corresponding reduction rates were 80.3% and 84.4%, not significant difference between both districts. However, changes in the geometric mean intensity (GMI) of egg counts were significantly different between both districts. The baseline GMIs were 14.5 eggs per 10 ml of urine (EP10) in Al Jabalain and 18.5 EP10 in El Salam, which were reduced to 7.1 and 11.2 EP10 after treatment, respectively. The corresponding reduction rates were 51.0% and 39.5%. In conclusion, MDA interventions were found to bring about similar relative reduction in prevalence regardless of the baseline value; however, the relative reduction in infection intensity was more salient in the district with a low baseline value for both prevalence and intensity. This clearly points to the importance of repeated MDA interventions in endemic areas, which will eventually contribute to schistosomiasis elimination.

The genetic diversity of Schistosoma haematobium remains largely unstudied in comparison to that of Schistosoma mansoni. To characterize the extent of genetic diversity in S. haematobium among its definitive host (humans), we collected S. haematobium eggs from the urine of 73 infected schoolchildren at 5 primary schools in White Nile State, Sudan, and then performed a randomly amplified polymorphic DNA marker ITS2 by PCR-RFLP analysis. Among 73 S. haematobium egg-positive cases, 13 were selected based on the presence of the S. haematobium satellite markers A4 and B2 in their genomic DNA, and used for RFLP analysis. The 13 samples were subjected to an RFLP analysis of the S. haematobium ITS2 region; however, there was no variation in size among the fragments. Compared to the ITS2 sequences obtained for S. haematobium from Kenya, the nucleotide sequences of the ITS2 regions of S. haematobium from 4 areas in Sudan were consistent with those from Kenya (> 99%). In this study, we demonstrate for the first time that most of the S. haematobium population in Sudan consists of a pan-African S. haematobium genotype; however, we also report the discovery of Kenyan strain inflow into White Nile, Sudan.
Adolescent ; Animals ; Base Sequence ; Child ; DNA, Helminth/genetics ; Female ; *Genetic Variation ; Genotype ; Humans ; Male ; Molecular Sequence Data ; Ovum/classification/cytology ; Parasite Egg Count ; Polymorphism, Restriction Fragment Length ; Schistosoma haematobium/*genetics/*isolation & purification/physiology ; Schistosomiasis haematobia/diagnosis/epidemiology/*parasitology/urine ; Students ; Sudan/epidemiology ; Urine/*parasitology

Cutaneous polyarteritis nodosa (CPAN) is an uncommon form of vasculitis involving small and medium sized arteries of unknown etiology. The disease can be differentiated from polyarteritis nodosa by its limitation to the skin and lack of progression to visceral involvement. The characteristic manifestations are subcutaneous nodule, livedo reticularis, and ulceration, mostly localized on the lower extremity. Arthralgia, myalgia, peripheral neuropathy, and constitutional symptoms such as fever and malaise may also be present. We describe a 34-yr-old woman presented with severe ischemic change of the fingertip and subcutaneous nodules without systemic manifestations as an unusual initial manifestation of CPAN. Therapy with corticosteroid and alprostadil induce a moderate improvement of skin lesions. However, necrosis of the finger got worse and the finger was amputated.
Vasodilator Agents/therapeutic use ; Skin Diseases, Vascular/*complications/drug therapy/pathology ; Polyarteritis Nodosa/*complications/drug therapy/pathology ; Humans ; Gangrene/*etiology/surgery ; Fingers ; Female ; Amputation ; Alprostadil/therapeutic use ; Adult ; Adrenal Cortex Hormones/therapeutic use

STATEMENT OF PROBLEM: Branemark or ITI are two currently most widely used implant systems but with contrasting design, surgical and restoration methods. PURPOSE: The purpose of this study was to compare changes and its statistical significance in bone height and shape which may rise due to the differences between two implant systems. Also to analyse the effect of inter-implant distance on annual bone height changes. MATERIAL & METHOD: Those patients who were treated with two or more of either Branemark or ITI implants at posterior mandibular area at Yonsei University Dental Hospital, Implant Clinic were selected. At annual examination appointments, standardised radiographs using parallel technique were taken. Marginal bone and inter-implant crestal bone changes were measured and following results were obtained. RESULTS: 1) When ITI and Branemark system were compared, both annual marginal and inter-implant crestal bone height changes in ITI system in the first two years were smaller than Branemark and they were statistically significant. On the third year, however, there was no statistical difference between two implant systems on their annual bone level changes (p>0.05). 2) The Marginal and inter-implant crestal bone changes were compared when inter-implant distance was less than 4mm. Statistically significant bone level changes were noted on the first year only for ITI implants but in the first and second year for Branemark implants (p>0.05). 3) When comparing angulation changes between marginal bone and implant fixture, ITI system had smaller angulation changes but the annual changes were not statistically significant (p>0.05). CONCLUSION: Within the limitation of this study, it could be concluded that Branemark implant systems had more changes in marginal and inter-implant crestal bone level in the first and second year after loading with statistical significance. Further studies are recommended to see the effects of these bone loss during the first and second year after loading on the long term prognosis of Branemark Implants.
Appointments and Schedules ; Humans ; Prognosis

OBJECTIVES: Recently, the outpatient group psychotherapy has been changed from traditional long-term therapy to short-term or time-limited therapy. The termination time and session numbers are given from start line in the time-limited therapy while 10 to 40 sessions are needed in the short-term therapy. And therapist and patients come to an agreement of the accomplishable therapeutic goal and work together actively. The time-limited group psychotherapy is being accepted newly as an efficient therapeutic modality because effective therapeutic outcomes within given time have been reported. The objectives of this study are as follows; firstly, we examine the therapeutic outcomes and the therapeutic factors after performing the time-limited group psychotherapy for outpatients in the psychiatric clinic; secondly, we analyze the characteristics showed in the process of study; lastly, we verify the feasibility and the validity of this group psychotherapy and then establish the basis of the effective outpatient therapy that would be settled down as an applicable treatment modality economically and efficiently in the current medical environment of Korea. METHODS: This study was performed weekly in total 12 sessions from July 1999, April 2000 to and each session took 70-80 minutes. The experimental group were composed of the highly-functioning psychotic patients among outpatients in the psychiatric clinic. The control group were composed of the similar patients through one-to-one matching of age, sex, diagnosis, and duration of illness. The participants were 8 patients each. BDI(Beck Depression Inventory), STAI(Spielbergs State-Trait Anxiety Inventory), MMPI(Minnesota Multiphasic Personality Inventory), and EDMT(Ewha Defence Mechanism Test) as the evaluation scales were performed before and after treatment. And 13-therapeutic factors scale was performed just after each session and the self-report total assessment questionnaire was performed only in experimental group at the end of this study. RESULTS: The mean score of BDI was decreased significantly in experimental group in comparison with control group. The mean score of STAI-S was not changed significantly in both group, and the mean score of STAI-T was decreased in experimental group in comparison with control group. The mean score of MMPI was decreased significantly in experimental group in comparison with control group, but the comparison of difference scores(post-treatment score - pre-treatment score) between the experimental and control group was not decreased significantly. This result may come from psychopharmacotherapy and individual supportive psychotherapy given equally to both group. The mean scores of immature defence and neurotic defence in EDMT were decreased significantly in experimental group compared with control group. Comparing the therapeutic factors to divide into the first, middle, and the last stage, existential factor was ranked first, and catharsis, identification with therapist, universality, and group cohesiveness were ranked high in all stages. Interpersonal learning was ranked first in the last stage although being ranked low in the first and middle stage. The total assessment questionnaires about group psychotherapy were reported that 100% of participants were helped, 75% of participants were changed in their lives, and 75% of participants had minds to join this kind of program again if given for them. CONCLUSIONS: This result shows that not only symptom relief but also personality change was achieved when the time-limited group psychotherapy was practiced in addition to simple psychophamarcotherapy and individual supportive psychotherapy for outpatients. The degree of satisfaction for group psychotherapy of participants were evaluated highly. Group psychotherapy has been accepted in public as a therapeutic modality that must be as equally effective as psychotherapy although group psychotherapy derives from individual psychotherapy. In our current medical environment that has been changed suddenly by the separation of medical practice and pharmaceutical dispensing and the decrease of medical fee, group psychotherapy or time-limited therapy would be settled down as low-expense and high-efficiency therapeutic modalities that were as equally effective as individual psychotherapy or long-term therapy.
Anxiety ; Catharsis ; Depression ; Diagnosis ; Fees, Medical ; Humans ; Korea ; Learning ; MMPI ; Outpatients* ; Psychotherapy ; Psychotherapy, Group* ; Surveys and Questionnaires ; Weights and Measures

No abstract available.
Birth Weight* ; Female ; Fetal Heart* ; Heart Rate, Fetal* ; Parturition* ; Pregnancy

PURPOSE: Systemic lupus erythematosus(SLE) is a disease of immunologic origin, affecting multiple organs including joints, skin, kidneys, nervous system, heart and blood, with rare involvement of gut and liver. The incidence of renal disease in children with SLE was approximately 70 percent and tended to be more severe than in adults. Accordingly we have retrospectively studied on the prognostic indicators. METHODS: We investigated clinical manifestations, laboratory findings and renal biopsy findings of 14 cases of childhood lupus nephritis. RESULTS: A review of the clinical and pathological findings revealed as follows : male to female ratio was 1 : 6, immunologic laboratory findings showed, positive rates of anti-ds DNA antibody which was 57%, FANA 85%. The incidence of decreased C3 and C4 was 57%. The most common clinical features were fever(92%) and malar rash(21%). Renal biopsies were performed with the following results. There were 3 cases of mesangial proliferative glomerulonephritis, 1 case of focal and segmental proliferative glomerulonephritis, 9 cases of diffuse proliferative glomerulonephritis, and 1 of membranous glomerulonephritis. During the follow-up period, 3 patients with diffuse proliferative glomerulonephritis expired due to renal failure and pulmonary edema. CONCLUSION: When lupus nephritis is suspected, renal biopsy, tests for antinuclear antibody (ANA) and anti-ds-DNA, and complement profile should be performed. Early diagnosis and proper treatment can prevent rapid deterioration of renal function and improve long-term survival. Renal biopsy in lupus nephritis is of considerable value to both choice of therapy and predicting prognosis.
Adult ; Antibodies, Antinuclear ; Biopsy ; Child ; Complement System Proteins ; DNA ; Early Diagnosis ; Female ; Follow-Up Studies ; Glomerulonephritis ; Glomerulonephritis, Membranous ; Heart ; Humans ; Incidence ; Joints ; Kidney ; Liver ; Lupus Nephritis* ; Male ; Nervous System ; Prognosis ; Pulmonary Edema ; Renal Insufficiency ; Retrospective Studies ; Skin