BACKGROUND: Varicella is the most common infectious disease reported despite the high vaccination rate. Interventions that target humans are particularly effective for varicella because humans are its only natural host. On the other hand, the existing national varicella surveillance systems lack the information to identify an outbreak. Therefore, a new index to assess varicella outbreaks was developed. METHODS: The residential addresses of 2,718 varicella cases reported in Daegu in 2016 were converted to geographic coordinates and the distances between new varicella case and previous cases within 21 days were calculated from the date analyzed. Two cases were considered to be adjacent if the distance between them was less than 1 km. Finally, a proximity index was introduced by dividing the number of adjacent cases by the number of new cases on the date analyzed. RESULTS: First, time-series charts and scatter plots were used to verify that the proximity index reflected the spatial closeness of the different varicella cases. The proximity index is helpful in identifying outbreaks from a list of single varicella cases. In addition, in this study, a new epidemic characteristic of varicella based on the proximity index was shown. CONCLUSION: The proximity index introduced in this study can be used to determine the likelihood of an outbreak from a single case of varicella, and it can be embedded in a web-based national varicella surveillance system that is currently in operation.
Chickenpox* ; Communicable Diseases ; Daegu ; Disease Outbreaks ; Hand ; Herpesvirus 3, Human ; Humans ; Vaccination

BACKGROUND: Varicella is the most common infectious disease reported despite the high vaccination rate. Interventions that target humans are particularly effective for varicella because humans are its only natural host. On the other hand, the existing national varicella surveillance systems lack the information to identify an outbreak. Therefore, a new index to assess varicella outbreaks was developed.METHODS: The residential addresses of 2,718 varicella cases reported in Daegu in 2016 were converted to geographic coordinates and the distances between new varicella case and previous cases within 21 days were calculated from the date analyzed. Two cases were considered to be adjacent if the distance between them was less than 1 km. Finally, a proximity index was introduced by dividing the number of adjacent cases by the number of new cases on the date analyzed.RESULTS: First, time-series charts and scatter plots were used to verify that the proximity index reflected the spatial closeness of the different varicella cases. The proximity index is helpful in identifying outbreaks from a list of single varicella cases. In addition, in this study, a new epidemic characteristic of varicella based on the proximity index was shown.CONCLUSION: The proximity index introduced in this study can be used to determine the likelihood of an outbreak from a single case of varicella, and it can be embedded in a web-based national varicella surveillance system that is currently in operation.
Chickenpox ; Communicable Diseases ; Daegu ; Disease Outbreaks ; Hand ; Herpesvirus 3, Human ; Humans ; Vaccination

During an educational dissection, accessory tendon of the biceps brachii muscle was found on the right side in a Korean cadaver. The short and long heads showed normal morphology and course: however, narrow tendon was originated from the posterior border of the pectoralis major muscle and was inserted into the conjoined tendon of the long head of the biceps brachii muscle. The authors describe this previously novel case report and discusses the clinical implications of such a variant.
Cadaver ; Head ; Tendons*

During an educational dissection, accessory tendon of the extensor pollicis brevis muscle was found on the left side in a Korean cadaver. The abductor pollicis longus, extensor pollicis brevis, and extensor pollicis longus muscles showed normal morphology and course: however, narrow muscle belly originated between the extensor pollicis brevis and extensor pollicis longus muscles. It crossed the anatomical snuff box and then inserted on the base of the distal phalanx of the thumb. The author describes this previously novel case report and discusses the clinical implications of such a variant.
Cadaver ; Muscles ; Tendons ; Thumb ; Tobacco, Smokeless*

University life can be stressful for even the most satisfied students. Especially medical school students have higher levels of stress. To manage their stress level and social connection, they are using SNS. The purpose of this study was to investigate the effect of SNS on medical students by analysis of SNS use pattern of medical students. In the analysis of the first grade of Medicine, 51 students (58.6%) posted on Facebook in the past year and posted a total of 1,452 articles (average: 28.5). We analyzed the content of the posts and found that most of them were celebrating a birthday (50%) or confirming their regards (18%). Next, there were other people's posts (10%) and travel posts (6%). Besides, there were profile photo upload (3%), school life (3%), romance (2%) or family (1%). Female students (16 times / 17 students) changed the profile pictures more frequently than male students (18 times / 34 students) (p = 0.003). There was no statistical significance in all items except for the change of profile picture according to sex. On the other hand, the analysis of the content of the share showed that most of the contents shared about humor (42%), food (15%) and music (14%). Most of the medical students used SNS primarily for social activities, not for educational purposes. Based on this analysis, there should be more research on how SNS can help medical students during medical education.
Education, Medical ; Female ; Hand ; Humans ; Male ; Music ; Schools, Medical ; Students, Medical*

For this study, medical students, intern physicians, and resident physicians, were surveyed about the application and effectiveness for medical procedure training using cadaver. In this survey, with a target population of 170 individuals, 105 individuals (61.7%) showed positive responses to learning medical procedural using cadaver. Resident physicians group (80.8%) showed relatively positive responses compared to 4(th) year medical students (58.1%) and intern physicians (47.6%); however, this did not account for any significant statistical difference. Regarding the application of cadaver to medical procedural practices, 95 individuals (62.1%) showed positive responses. Resident physicians (74.5%) had the highest percentage of positive responses compared to intern physicians (56.7%) and 4(th) year medical students (56.6%), and there was a significant statistical difference. Suture (15.7%) was ranked first as the most suitable medical procedural to be practiced on cadaver; tracheotomy and intubation came second and third respectively. This research confirmed the application and the effectiveness of cadaver for medical procedural training and the improvement of general medical procedural ability are expected if the cadaver is applied not only to medical schools but also to intern and resident physician training.
Cadaver* ; Education, Medical ; Health Services Needs and Demand ; Humans ; Intubation ; Learning ; Schools, Medical ; Students, Medical ; Sutures ; Tracheotomy

There are various methods for anatomy learning. Recently, there is infographics as a way to effectively transmit large amounts of data and complex information. In this way, medical students made anatomical data as ‘anatographic’. A total of 205 participants including 60 pre-medical students, 111 medical students, and 34 doctors participated in the study. We have shown an example of anatographic, and we surveyed its applicability and the satisfaction of each method. They use textbooks, Google, other searching sites, and applications for anatomy learning. The usefulness according to the 5-point scale was 3.75 for textbooks and 3.60 for Google, 2.53 for applications and 2.08 for searching sites, respectively. The utility of anatographic was 3.59, which was significantly higher than that of the application or other searching sites (p < 0.05). Anatographic is useful because of easy search for tags and questions, information share and learning from anywhere using your smartphone. On the other hand, there was the hassle of online access and the reliability of the data could be reduced for doctors to use. There was a problem that students used the smartphone outside of learning. Anatographic is the most beneficial system for the head, neck, and nerves, and it is easier to understand complex structures. Anatographic have shown potential as an educational source that can effectively transmit vast amounts of anatomical knowledge, and they will be useful for future anatomy education.
Education* ; Hand ; Head ; Humans ; Learning ; Methods ; Neck ; Smartphone ; Students, Medical