As most medical facilities in Korea have been concentrated in large cities, the need to improve emergency medical services in islands and mountainous areas has emerged. Consequently, the Ministry of Health and Welfare and local governments have introduced emergency medical helicopters (known as helicopter ambulances or air ambulances) with doctors in medically vulnerable areas. Having been introduced in two regions in 2011, air ambulances are operational in seven regions as of the end of 2019. The flight time is from sunrise to sunset, except in Gyeonggi province, which is open all day. Although the criteria for transport vary depending on whether an ambulance is available for operation, it is basically intended for emergency critical diseases, such as severe trauma, stroke, and acute myocardial infarction. From September 23, 2011 to December 31, 2018, a total of 10,367 transfer requests were received, which included 534 (5.2%) interruptions, 2,657 (25.6%) rejects, and 7,176 (69.2%) transfers. A total of 7,209 patients were transferred during this period, which included 1,693 (23.5%) patients of severe trauma, 1,149 (15.9%) patients of stroke, 802 (11.1%) patients of acute myocardial infarction, and 3,565 (49.5%) patients suffering from other emergency diseases. Some economic research on air ambulances in Korea has been reported to be cost-effective, but additional research should be performed. In the future, it is necessary to widen the area of operation of air ambulances and find alternative means of transporting patients during unfavorable conditions such as night or bad weather.

BACKGROUND: The aim of this study was to retrospectively evaluate and analyze the brain magnetic resonance imaging (B-MRI) findings of patients with a favorable neurological outcome following cerebral performance category (CPC) after out-of-hospital cardiac arrest (OHCA) at single university hospital emergency center. METHODS: Patients with return of spontaneous circulation (> 24 h) after OHCA who were older than 16 years of age and who had been admitted to the emergency intensive care unit (EICU) for over a 57-month period between July 2007 and March 2012 and survived with a favorable neurological outcome were enrolled. B-MRI was taken after recovery of their mental status. RESULTS: Fifty-two patients among the 305 admitted patients had a good CPC, and 33 patients' B-MRI were analyzed (CPC 1: 26 patients, CPC 2: 7 patients). Among these, 18 (54.5%) patients had a normal finding on B-MRI. On the other hand, ischemia/infarction/microangiopathy compatible with hypoxic-ischemic encephalopathy (HIE) were found on various brain areas including subcortical white matter (7/13), cerebral cortex, central semiovlae, basal ganglia, putamen, periventricular white matter, and cerebellum. CONCLUSIONS: Survivors with a favorable neurological outcome from OHCA showed HIE on B-MRI, especially all of the patients with a CPC 2. More detail neurologic category including brain imaging would be needed to categorize patients with favorable outcome after OHCA.
Basal Ganglia ; Brain* ; Cerebellum ; Cerebral Cortex ; Emergencies ; Hand ; Humans ; Hypoxia-Ischemia, Brain ; Intensive Care Units ; Magnetic Resonance Imaging* ; Neuroimaging ; Out-of-Hospital Cardiac Arrest* ; Putamen ; Retrospective Studies ; Survivors

The cleidocranial dysostosis is characterized by deficient formation of the clavicle, delayed and imperfect ossification of the cranium and less often involvement of other bones. The cleidocranial dysostosis is relatively rare congenital and familial disorder with autosomal dominant inheritance. We report one case of cleidocranial dysostosis with a brief review of the literatures
Clavicle ; Cleidocranial Dysplasia ; Skull ; Wills

The author's affiliation should be corrected. We apologize for any inconvenience that may have caused.

BACKGROUND: The aim of this study was to investigate the relationships between left ventricular ejection fraction (LVEF) and mortality and neurologic outcomes with post-cardiac arrest syndrome (PCAS) after out-of-hospital cardiac arrest (OHCA). METHODS: Patients with PCAS after OHCA admitted to the intensive care unit between January 2014 and December 2015 were analyzed retrospectively. RESULTS: total of 104 patients were enrolled in this study. The mean age was 54.4 ± 15.3 years, and 75 of the patients were male (72.1%). Arrest with a cardiac origin was found in 55 (52.9%). LVEF < 45%, 45-55%, and > 55% was measured in 39 (37.5%), 18 (17.3%), and 47 (45.2%) of patients, respectively. In multivariate analysis, severe LV dysfunction (LVEF < 45%) was significantly related to 7-day mortality (odds ratio 3.02, 95% Confidence Interval 1.01-9.0, p-value 0.047). CONCLUSIONS: In this study, moderate to severe LVEF within 48 hours after return of spontaneous circulation was significantly related to 7-day short-term mortality in patients with PCAS after OHCA. Clinicians should actively treat myocardial dysfunction, and further studies are needed.
Echocardiography ; Humans ; Intensive Care Units ; Male ; Mortality* ; Multivariate Analysis ; Out-of-Hospital Cardiac Arrest* ; Passive Cutaneous Anaphylaxis ; Retrospective Studies ; Stroke Volume*

The review provides updated concepts regard to the anatomy of the anterior cruciate ligament (ACL) footprints. The concept of anatomicalACL reconstruction, in which the graft is placed in the native ACL insertion area, has been introduced. However, there is still no consensuson the anatomical positioning of the femoral and tibial tunnel. In this study, authors review and update the literature regarding the tunnelposition for anatomical ACL reconstruction.

BACKGROUND: The aim of this study was to assess the relationship between acute physiologic and chronic health examination (APACHE) II and sequential organ failure assessment (SOFA) scores and outcomes of post-cardiac arrest patients treated with therapeutic hypothermia (TH). METHODS: Out-of-hospital cardiac arrest (OHCA) survivors treated with TH between January 2010 and December 2012 were retrospectively evaluated. We captured all components of the APACHE II and SOFA scores over the first 48 hours after intensive care unit (ICU) admission (0 h). The primary outcome measure was in-hospital mortality and the secondary outcome measure was neurologic outcomes at the time of hospital discharge. Receiver-operating characteristic and logistic regression analysis were used to determine the predictability of outcomes with serial APACHE II and SOFA scores. RESULTS: A total of 138 patients were enrolled in this study. The area under the curve (AUC) for APACHE II scores at 0 h for predicting in-hospital mortality and poor neurologic outcomes (cerebral performance category: 3-5) was more than 0.7, and for SOFA scores from 0 h to 48 h the AUC was less than 0.7. Odds ratios used to determine associations between APACHE II scores from 0 h to 48 h and in-hospital mortality were 1.12 (95% confidence interval [CI], 1.03-1.23), 1.13 (95% CI, 1.04-1.23), and 1.18 (95% CI, 1.07-1.30). CONCLUSIONS: APACHE II, but not SOFA score, at the time of ICU admission is a modest predictor of in-hospital mortality and poor neurologic outcomes at the time of hospital discharge for patients who have undergone TH after return of spontaneous circulation following OHCA.
APACHE ; Area Under Curve ; Cardiopulmonary Resuscitation ; Hospital Mortality ; Humans ; Hypothermia* ; Hypothermia, Induced ; Intensive Care Units ; Logistic Models ; Odds Ratio ; Organ Dysfunction Scores* ; Out-of-Hospital Cardiac Arrest* ; Outcome Assessment (Health Care) ; Retrospective Studies ; Survivors

PURPOSE: Multiple Endocrine Neoplasia Type 2A (MEN 2A) is an autosomal dominant disease characterized by development of the medullary thyroid cancer, adrenal pheochromocytoma and parathyroid hyperplasia. Gennline mutations of RET gene, which cause a susceptibility to MEN 2A syndrome, have been reported in MEN 2A families. The identification of germline mutation in family members with hereditary tumor syndrome makes the presymptomatic diagnosis possible. However, there are only a few reports on the germline mutation of RET gene in Korean patients with MEN 2A. This study was performed to investigate the germline mutation of RET gene in a Korean MEN 2A family. MATERIALS AND METHODS: Blood samples were taken from family members of a MEN 2A family. Mutational status was investigated using single strand conformation polymorphism (SSCP) method, and following direct sequencing. Basal level of calcitonin was measured, and calcium provocation test was done when the result of basal level of calcitonin was equivocal. RESULTS: A missense type germline mutation of RET gene was identified at codon 634 (TGC->TGG) in eight patients from the family. All patients with the germline mutation of RET gene showed elevation of calcitonin level either in basal test or in calcitonin provocation test. CONCLUSION: We identified a germline mutation of RET gene in a family with MEN 2A, and it would make the accurate presymptomatic diagnosis possible.
Calcitonin ; Calcium ; Codon ; Diagnosis ; Germ-Line Mutation ; Humans ; Hyperplasia ; Multiple Endocrine Neoplasia Type 2a* ; Multiple Endocrine Neoplasia* ; Pheochromocytoma ; Thyroid Neoplasms

BACKGROUND: Pneumonia is the most common cause of death among patients with infectious disease in Korea. However, studies of pneumonia with septic shock in patients presenting to the emergency department are limited. The aim of this study was to investigate the prognostic factors associated with pneumonia with septic shock in patients presenting to the emergency department. METHODS: From January 2008 to September 2014, patients with pneumonia with septic shock admitted through the emergency department were retrospectively examined. RESULTS: Of the 561,845 patients who visited the emergency department, 398 were admitted for pneumonia with septic shock. The 28-day mortality rate in these patients was 36.4%. The independent prognostic factors were old age (>70 yrs) (odds ratio [OR], 2.42; 95%, confidence interval [CI], 1.35-4.32), Acute Physiology and Chronic Health Evaluation (APACHE) II score (OR, 1.04; 95% CI, 1.01-1.08), leukopenia (OR, 3.63; 95% CI, 1.48-8.94), prolonged PT-INR (OR, 2.53; 95% CI, 1.41-4.54), and hypoxemia (OR, 2.88; 95% CI, 1.30-6.38). CONCLUSIONS: A poor prognosis of patients with pneumonia is associated with old age (>70 yrs), increased APACHE II score, leukopenia, prolonged PT-INR, and hypoxemia.
Anoxia ; APACHE ; Cause of Death ; Communicable Diseases ; Emergencies* ; Emergency Service, Hospital* ; Humans ; Korea ; Leukopenia ; Mortality ; Pneumonia* ; Prognosis ; Retrospective Studies ; Shock, Septic*

PURPOSE: This study was performed for investigation of epidemiology, clinical characteristics, and serial value of cardiac troponin level of patients who had myocardial injury due to Carbon monoxide poisoning. METHODS: This study reviewed 98 cases of Carbon monoxide poisoning patients who visited Emergency Department from January 1, 2008 to October 31, 2013. We categorized them by two groups, one with elevation of cardiac troponin level and the other with normal level. We had comparison between two groups data using statistical analysis. RESULTS: Among 98 patients of Carbon monoxide poisoning who were admitted to hospital, 10 patients were excluded. 88 patients who were included to our study, 70 patients with normal value of Troponin, and 18 patients with elevated troponin level. Of all patients, Carbon monoxide inhalation due to suicided trial patients has more higher proportion in elevated troponin level group compared with normal group (40 (57.1%) vs 15 (83.3%), P=0.041). Furthermore, corrected QT interval, length of hospital stay, number of ICU admission, also were showed higher value in elevated troponin level group. CONCLUSION: Carbon monoxide induced myocardial injury is associated with subside trial, prolongation of correted QT interval, length of hospital stay, and number of ICU admission.
Carbon Monoxide Poisoning ; Carbon Monoxide* ; Emergency Service, Hospital ; Epidemiology ; Humans ; Inhalation ; Length of Stay ; Reference Values ; Troponin ; Troponin I