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Esophageal Rupture Due to Diving in Shallow Waters
( Sung Ho Han ),( Soon-ho Chon ),( Jong Hyun Lee ),( Min Koo Lee ),( Oh Sang Kwon ),( Kyoung Hwan Kim ),( Jung Suk Kim ),( Ho Hyoung Lee ),( June Raphael Chon ) 대한외상학회 2018 大韓外傷學會誌 Vol.31 No.1
Delayed esophageal rupture due to blunt injury is not new. However, rupture due to suspected barotrauma is very rare. We describe a case of esophageal rupture in a male 24-year-old patient after diving in shallow waters. The patient was quadriplegic and could not experience the typical chest pain related to rupture and resulting mediastinitis. The rupture was discovered 4 days after emergency decompressive laminectomy and fusion for his cervical spine. The rupture was evidently caused by barotrauma and was discovered four days after admission. He underwent primary closure and pericardial flap as a life-saving procedure.
Kwon, Yu-Mi,Jung, Ki-Hwan,Choi, Go-Eun,Shin, A-Rum,Lee, Byung-Su,Won, Choul-Jae,Kim, Woo-Sik,Shin, Sung-Jae,Park, Jeong-Kyu,Chang, Chul-Hun L.,Kim, Hwa-Jung 대한미생물학회 2009 Journal of Bacteriology and Virology Vol.39 No.4
It is important to identify and to test serologically active antigens, so as to devise a cocktail of the best antigens or peptides. We searched for antigens that have serodiagnostic utility using two-dimensional fractionation of sonic extracts from Mycobacterium tuberculosis and probing with pools of sera from healthy subjects and patients with tuberculosis (TB). Reactive protein spots with patient sera were identified by tandem mass spectrometry. Three proteins, Rv0652, Rv2626c, and Rv3418c, which have not previously been described as serologic targets, were identified. Rv0652 protein among them was expressed in Escherichia coli and serum IgG antibodies against this antigen were measured in 150 patients with pulmonary TB and in 115 healthy subjects. The sensitivity and specificity were 39% and 92%, respectively. These results suggest that a newly identified protein, Rv0652 may be a valuable candidate to be included in a cocktail test kit for TB diagnosis.
Kwon, Dong-Yeul,Kang, Ok Hwa,Choi, Jang-Gi,Lee, Young-Seob,Oh, Yoo-Chang,Chae, Hee-Sung,Lee, Go-Hoon,Park, Pil-Sang,Kim, Youn-Chul,Sohn, Dong Hwan,Park, Hyun,Lee, John Hwa INVERNI DELLA BEFFA 2007 Fitoterapia Vol.78 No.6
<P><B>Abstract</B></P><P>Methanol extract and its fractions (hexane, EtOAc, <I>n</I>-BuOH, and H<SUB>2</SUB>O) of <I>Dryopteris crassirhizoma</I> were investigated for antibacterial activity against methicillin-resistant <I>Staphylococcus aureus.</I> The hexane fraction showed a good antibacterial activity against all tested strains.</P>
Orbital floor defect caused by invasive aspergillosis: a case report and literature review
Sang Woo Han,Min Woo Park,Sug Won Kim,Minseob Eom,Dong Hwan Kwon,Eun Jung Lee,Jiye Kim 대한두개안면성형외과학회 2024 Archives of Craniofacial Surgery Vol.25 No.1
Fungal sinusitis is relatively rare, but it has become more common in recent years. When fungal sinusitis invades the orbit, it can cause proptosis, chemosis, ophthalmoplegia, retroorbital pain, and vision impairment. We present a case of an extensive orbital floor defect due to invasive fungal sinusitis. A 62-year-old man with hypertension and a history of lung adenocarcinoma, presented with right-side facial pain and swelling. On admission, the serum glucose level was 347 mg/dL, and hemoglobin A1c was 11.4%. A computed tomography scan and a Waters’ view X-ray showed right maxillary sinusitis with an orbital floor defect. On hospital day 3, functional endoscopic sinus surgery was performed by the otorhinolaryngology team, and an aspergilloma in necrotic inflammatory exudate obtained during exploration. On hospital day 7, orbital floor reconstruction with a Medpor Titan surgical implant was done. In principle, the management of invasive sino-orbital fungal infection often begins with surgical debridement and local irrigation with an antifungal agent. Exceptionally, in this case, debridement and immediate orbital floor reconstruction were performed to prevent enophthalmos caused by the extensive orbital floor defect. The patient underwent orbital floor reconstruction and received intravenous and oral voriconazole. Despite orbital invasion, there were no ophthalmic symptoms or sequelae.
Curvature and Hand Comfort for Unimanual Operations
( Sung Hee Ahn ),( Sanghyun Kwon ),( Yu Shin Lee ),( Myung Hwan Yun ) 한국감성과학회 2014 춘계학술대회 Vol.2014 No.-
To design handheld devices, physical comfort is one of the most crucial requirements. Recently, curved handheld touchscreens were released for enhancing comfort, but the effect has not been proved yet. Regarding user behavior with the device, it has been observed that 1/3 of user population of smartphone operate the device unimanully in a previous research. This study aimed to verify the effect of curvature on comfort when using handheld touchscreen devices. Comfort level was measured employing both the subjective rating and EMG methods. Three mock-ups of handheld touchscreen device with different curvatures were utilized. One was flat device and the others had curvatures of 400R and 100R. An experiment was conducted on tapping, typing and dragging tasks. The results indicated that curvature of the handheld touchscreen devices did not affect muscle activities, but subjective comfort level. Overall, this study suggests that there may be other design elements more important than curvature of handheld touchscreen determining comfort of touch screen use.
Rib Fixation for a Patient with Severely Displaced and Overlapped Costal Cartilage Fractures
( Sung Ho Han ),( Soon-ho Chon ),( Jong Hyun Lee ),( Min Koo Lee ),( Oh Sang Kwon ),( Kyoung Hwan Kim ),( Jung Suk Kim ),( Ho Hyoung Lee ) 대한외상학회 2018 大韓外傷學會誌 Vol.31 No.1
Rib fixations for flail chest or displaced rib fractures are not a new technique. However, reports on rib fixations involving costal cartilage fractures are very few and surprisingly there are no reports of internal fixations involving only the costal cartilage in the English literature. The diagnosis is difficult and the necessity of the procedure may be quite controversial. Placing plates in screws into the costal cartilage alone may seem unstable and easily dislodged or stripped through the cartilage. We report a 31-year-old male scuba diver instructor who underwent rib fixations over his 7th and 8th costal cartilage ribs for severe pain. The procedure was done with conventional plates and screws. He had the plates and screws removed 2 months later due to lingering pain, but with them removed he is now quite happy with the results without pain. The procedure for fixation of painful overlapped costal cartilage is quite simple and can be done with the usual conventional methods, fixating plate and screws directly over the cartilage alone without fixation over the bony rib.