OBJECTIVE: The study aims to assess the similarity between the results of the evaluation of students during an Objective Structured Clinical Examination (OSCE) and a video recording of the same OSCE (VOSCE). METHODS: All Orthopedic surgeon preceptors in the actual OSCE were recruited to the study. Video recordings of the students taking the OSCE were collected and later reviewed and re-evaluated by the same preceptor after at least four weeks. The grades of actual OSCE and VOSCE were collected and analyzed using Cohen’s kappa coefficient. RESULTS: High variability of intra-rater reliability was observed in different preceptors and station (slight agreement to perfect agreement). Overall intra-rater reliability between actual and video OSCE showed moderate agreement with Cohen’s kappa coefficient equal to 0.43 (n-219). CONCLUSION: Video OSCE is a reliable tool in assessing student clinical skills and knowledge in the musculoskeletal examination. Some factors have been suggested to further improve reliability.
Video Recording

PURPOSE: The purpose of this study is to evaluate the accuracy of standardized patients'(SP) rating according to the order of examinees in clinical performance examination. METHODS: In the clinical performance examination which was administered in 2005 at Seoul National University College of Medicine, each SP evaluated 16 students consecutively. For all 16 SPs(2 SPs per station), accuracy of rating was evaluated by comparing the individual records of each SP to the 'recording keys' made by two SPs from reviewing a video recording of performances by examinees. RESULTS: The average number of items incorrectly rated by SP was 3.8(range, 0~12), 2.8 in female SPs and 4.8 in male SPs(p<0.001). No statistical correlation was observed between the number of errors and the order of examinees(p=0.843). Even after stratification by gender or age of the SPs or domains of examination, the number of items incorrectly rated did not differ significantly according to the order of examinees. CONCLUSION: An increase in SP's rating error with time after the start of examinations was not observed within the 16 consecutive encounters in clinical performance examination. The effect of SP's fatigue on the accuracy of simulation as an examination progresses remains to be studied.
Fatigue ; Female ; Humans ; Male ; Seoul ; Video Recording

To meet the demands of high definition of video and transmission at real-time during the surgery of endoscope, this paper designs an HD mobile video transmission system. This system uses H.264/AVC to encode the original video data and transports it in the network by RTP/RTCP protocol. Meanwhile, the system implements a stable video transmission in portable terminals (such as tablet PCs, mobile phones) under the 3G mobile network. The test result verifies the strong repair ability and stability under the conditions of low bandwidth, high packet loss rate, and high delay and shows a high practical value.
Equipment Design ; Telemedicine ; instrumentation ; Video Recording ; instrumentation

No abstract available.
Airway Management ; Laryngoscopes ; Video Recording ; Bronchoscopy

PURPOSE: A balloon dissector is widely used to achieve the preperitoneal space in totally extraperitoneal (TEP) inguinal hernia repair. The aim of this study was to compare the operative results of TEP cases performed with (the balloon dissection group) or without (the plain dissection group) a balloon dissector. METHODS: A retrospective analysis was conducted with a consecutive series of inguinal hernia repairs performed by a single surgeon in OOO Hospital between April 2008 and April 2012. All 128 patients with full-length video recordings were included. The distribution of the operation method was altered during the study period, from dissection with a balloon dissector to without it. RESULTS: Of 128 cases, 57 belonged to the balloon dissection group and the other 71 belonged to the plain dissection group. The demographic features and clinical characteristics were similar in both groups. Mean operation time (57.7 vs. 45.6 min, p<0.001) and laparoscopic recording time (31.6 vs. 25.0 min, p=0.004) were significantly shorter in the plain dissection group without differences in the degree of bloodstaining and the frequency of peritoneal tearing. Postoperative complications did not differ between the two groups. CONCLUSION: Plain dissection may be a safe and feasible alternative method of achieving the preperitoneal space in TEP by an experienced surgeon.
Hernia, Inguinal* ; Humans ; Postoperative Complications ; Retrospective Studies ; Video Recording

OBJECTIVE: To investigate the inter-rater agreement using the Videofluoroscopic Dysphagia Scale (VDS). METHOD: The present study was designed as a multicenter, single-blind trial. A Videofluoroscopic Swallowing Study (VFSS) was performed using the protocol described by J.A Logemann. Thick-fluid, pureed food, mechanically altered food, regularly textured food, and thin-fluid boluses were sequentially swallowed. Each participant received a 3 ml bolus followed by a 5 ml bolus of each food material, in the order mentioned above. All study procedures were video recorded. Discs containing these video recordings in random order were distributed to interpreters who were blinded to the participant information. The video recordings were evaluated using a standardized VDS sheet and the inter-rater reliability was calculated. RESULTS: In total, 100 patients participated in this study and 10 interpreters analyzed the findings. Inter-rater reliability was fair in terms of lip closure (kappa: 0.325), oral transit time (0.253), delayed triggering of pharyngeal swallowing (0.300), vallecular residue (0.275), laryngeal elevation (0.345), pyriform sinus residue (0.310), coating of the pharyngeal wall (0.310), and aspiration (0.393). However, other parameters of the oral phase were lower than those of the pharyngeal phase (0.06-0.153). Moreover, the summation of VDS reliability (intraclass correlation coefficient: 0.556) showed moderate agreement. CONCLUSION: VDS shows a moderate rate of agreement for evaluating the swallowing function. However, many of the parameters demonstrated a lower rate of agreement, particularly the oral phase parameters.
Deglutition ; Deglutition Disorders ; Humans ; Lip ; Pyriform Sinus ; Video Recording

Child ; Electroencephalography ; Epilepsy ; diagnosis ; Humans ; Syndrome ; Video Recording

PURPOSE: This study was conducted to identify types of peer feedback in nursing skills performance training and to investigate emotional response, perceived quality of feedback and self-efficacy for learning from peer feedback. METHODS: A total of 110 second-year nursing students attending fundamentals of nursing classes at a university participated in 2017. Participants received peer feedback from one selected colleague who observed their skills performance, and completed a questionnaire. Contents of peer feedback video recordings were transcribed and classified into seven types of feedback. Data were analyzed using an independent t-test, ANOVA and Pearson correlation. RESULTS: Participants mostly received feedback of ‘correcting’ and ‘providing information.’ Positive emotional responses from peer feedback were above medium, and negative emotional responses were low. The perceived quality of peer feedback was moderate and self-efficacy for learning was high. Quality of feedback correlated with negative emotional response (r=−.24, p=.014), and self-efficacy for learning (r=.35, p<.001). Self-efficacy for learning correlated with intimacy with peers (r=.24, p=.011) and positive emotional response (r=.21, p=.028). CONCLUSION: The results suggest that peer feedback in skill training could be used in terms of emotional response and self-efficacy for learning.
Education, Nursing ; Humans ; Learning ; Nursing ; Students, Nursing ; Video Recording

BACKGROUND AND OBJECTIVES: In recent years, surgical imaging has become important for legal and educational purposes. Significant improvements can be made from the surgeon's point of view in recording surgical procedures, particularly with respect to the action camera with high-definition video recordings. For otolaryngologic surgery, the surgical view is narrow, and there is a limit to proper imaging using the existing lens of the action camera. Therefore, we aimed to find out if we could obtain surgical images through simple modification of action camera. MATERIALS AND METHOD: The action camera was modified to match the surgical field. We selected a suitable lens for otolaryngology surgery using a calculation formula. The action camera was simply modified according to the design. The modified action camera can be mounted on the surgeon's head or the surgical light. We compared the images taken with the modified action camera and the images taken with the existing camcorder. The modified action camera was able to capture a narrow surgical field for otolaryngologic surgery. RESULTS: Unlike the existing method, we were able to obtain high-quality images using a modified action camera at the first person's viewpoint without auxiliary manpower. The action camera was considerably cost effective compared to other methods of recording surgery. CONCLUSION: The modified action camera allows for high-definition, cost-effective, and firstperson viewpoint for otolaryngologic surgery. The modified action camera allows for detailed videography that can enhance surgical teaching, presentation and patient education materials.
Education ; Head ; Methods ; Otolaryngology ; Patient Education as Topic ; Video Recording

BACKGROUND/AIMS: The growth of technology based on internet protocol has affected on the informatics and automatic controls of medical fields. The aim of this study was to establish the telemedical educational system by developing the high quality image transfer using the DVTS (digital video transmission system) on the high-speed internet network. METHODS: Using telemedicine, we were able to send surgical images not only to domestic areas but also to international area. Moreover, we could discuss the condition of surgical procedures in the operation room and seminar room. The Korean-Japan cable network (KJCN) was structured in the submarine between Busan and Fukuoka. On the other hand, the Korea advanced research network (KOREN) was used to connect between Busan and Seoul. To link the image between the Hanyang University Hospital in Seoul and Kyushu University Hospital in Japan, we started teleconference system and recorded image-streaming system with DVTS on the circumstance with IPv4 network. RESULTS: Two operative cases were transmitted successfully. We could keep enough bandwidth of 60 Mbps for two-line transmission. The quality of transmitted moving image had no frame loss with the rate 30 per second. The sound was also clear and the time delay was less than 0.3 sec. CONCLUSIONS: Our study has demonstrated the feasibility of domestic and international telemedicine. We have established an international medical network with high-quality video transmission over internet protocol. It is easy to perform, reliable, and also economical. Thus, it will be a promising tool in remote medicine for worldwide telemedical communication in the future.
Computer Communication Networks ; English Abstract ; Humans ; Japan ; Korea ; Surgery/education ; Telecommunications ; *Telemedicine ; Video Recording