• Korean journal of aerospace and environmental medicine
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• v.30 no.2
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• pp.66-69
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• 2020

Since allergic rhinitis is a disease with a very high prevalence, it is common to find patients with allergic rhinitis among aviation workers. However, they are so afraid that the report of rhinitis will have a negative effect on the evaluation of one's work suitability. Therefore, aviation medical examiners (AMEs) must be able to accurately understand the nature of allergic rhinitis, and confidently explain that appropriate treatment of rhinitis has a positive effect on their performance. In the treatment of allergic rhinitis, there are some medications that may cause drowsiness, which may impair the accuracy and safety of the aviation service. Therefore, AMEs should accurately know safe drugs that do not cause drowsiness and prescribe them to patients. In addition, it is necessary to know exactly whether air workers may receive the latest treatments for allergic rhinitis, such as surgical treatment and immunotherapy, and be able to recommend these treatments appropriately. Therefore, in this paper, we first briefly describe the pathophysiology, genetics, causative antigen, symptoms, diagnosis, and treatment of allergic rhinitis. We also aimed to discuss safe medication and other treatment modalities for allergic rhinitis.

• Proceedings of the Korea Information Processing Society Conference
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• 2022.11a
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• pp.680-680
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• 2022

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.14 no.3
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• pp.89-97
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• 2014

In this paper, we propose real-time program that measure open-close frequency of mouth and eyes to detect drowsiness of a driver. This program detects a face to the CCD camera image using OpenCV library. Then that extracts each area using CDF for eye detection and Active Contour for mouth detection based on detected face. This system measures each frequency of Open-Close using extracted area data of eyes and mouth. We propose foundation technique how to perform sleepiness decision of users based on measurement data.

• The Korean Journal of Pain
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• v.9 no.1
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• pp.239-243
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• 1996

MS-Contin is an oral controlled-release preparation of morphine sulfate that has been used widely in the management of advanced cancer pain. It prolongs plasma concentration of morphine with no observable accumulation properties following repeated dosing, thereby promoting uninterrupted sleep and hopefully improving patient's quality of life. The common side effects of MS Contin are nausea, vomiting, drowsiness and constipation. But these symptoms are usually mild and respiratory depression is a rare problem. We experienced respiratory depression during oral administration of MS contin for the pain management of advanced gall bladder cancer of 76 years old male patient with metastasis at liver, intestine and cervical lymph node. After we increased the dosage of MS Contin from 160mg to 220mg per day, due to abdominal pain, we observed morphine reaction of MS Contin overdose such as pinpoint pupil, deeply slow respiration below 8/minute, and drowsiness. After intravenous bolus injection of 0.4 mg naloxone followed by continuous administration of 0.2 mg/hr for 4 hours, the patient regained consciousness. The administered route of morphine was changed to intravenous PCA (patient controlled analgesia). There was no aspiration sign as confirmed by chest x-ray. The patient was comfortable and delayed no signs of respiratory depression until now.

• The Korean Journal of Food And Nutrition
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• v.32 no.3
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• pp.167-178
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• 2019

The purpose of this study was to investigate the intake status of energy drinks, knowledge of caffeine and the perception on intake of energy drinks by university students. We surveyed 351 university students from October 25, 2017 to January 25, 2018. The subjects (70.9%) consumed energy drinks more than once. Male students consumed energy drinks more frequently than the female ones. A huge portion (68.3%) of the subjects consumed energy drinks to recover from fatigue and reduce sleepiness. Moreover, they consumed most of the energy drinks at home and the university library. The main anticipated efficacy of energy drinks was the relieving drowsiness. Respondents (86.3%) perceived that energy drinks could be hazardous to the health of human beings. The main risks of consuming energy drinks were sleep disorders, addiction problems and heart beating. The main recognized effects of energy drinks were relieved drowsiness and decreased fatigue. The major side effects were heart beating, nausea, vomiting, heartburn and sleeping disorders. This study suggests that nutritional education is needed to confirm the recommendation of daily intake for caffeine and to raise awareness about the side effects of energy drinks.

• Proceedings of the Safety Management and Science Conference
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• 2003.05a
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• pp.143-147
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• 2003

This study is to develop a device of bath-seat with massage which is attached to bath-seat and is able to sustain massage on perineal region and anus effectively. And also develop new programmed driving-seat that is able to protect drowsiness. This seat is operated easily by user controlling time period (eg. 30 minutes or 60 minutes) of vibration. During the vibration, user can make a choice of making n sound which is proved as a better effects for concentration and comfort.

• Proceedings of the KOSOMBE Conference
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• v.1996 no.11
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• pp.86-89
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• 1996

This paper describes compensation method to evaluate arousal level in different initial arousal state. Arousal level was measured by the relationship between IRI and Nz. The value of Nz is affected by BI which is variable with initial drowsiness. we introduced a correction factor to compensate these differences.

• Journal of Biomedical Engineering Research
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• v.19 no.6
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• pp.577-584
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• 1998

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.12 no.2
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• pp.45-51
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• 2013

In this paper, a driver's drowsy detection sensor system based on the respiration is investigated. The sensor system consists of a piezoelectric pressure sensor attached at the abdominal region of the seat belt and a personal computer. The piezoelectric pressure sensor was utilized for the measurement of pressure variations induced by the movement of the driver abdomen during breathing. The signal processing software for detecting driver's drowsiness was produced using the Labview. The experiments were performed with 30 years male driver. The amplitude of the respiration at awake state was larger than one at the drowsy state. On the contrary, the respiration rate at awake state was lower than one at the drowsy state. The drowsy detection sensor system developed based on the experimental could successfully detect the driver's drowsy on real-time.

• Journal of Digital Convergence
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• v.19 no.12
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• pp.457-462
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• 2021

As South Korea is a mountainous topography, installation of tunnel is essential for construction of expressway in straight lines. According to "2019 Road Bridge and Tunnel Status Report", there are 2,682 tunnels in Korea with total length of 2,077km. Tunnels take up 1.9% of total road length and the number of tunnel increased by 94% with 1,300 newly constructed tunnels over the 10 years. According to domestic and foreign researches, a long tunnel over 1km in expressway has dark lightings and monotonous wall design which decrease driver's concentration and make the driver feel bored. This leads to feeling fatigue and drowsiness more easily. In response, Korea Expressway Corporation installed design lighting that increases attentiveness on 10 tunnels with total length over 3km by 2020. To reduce the risks of accident that may happen inside the tunnel, this study conducted a comparative analysis on characteristics of each type of LED landscape lighting installed inside the expressway tunnel. The study aimed on providing the basic material for effective installation of LED landscape lighting for securing driving stability, reducing fatigue, and lowering the risk of drowsiness.