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심각한 뇌손상 환자의 난치성 흡인을 위한 후두기관분리술
오규석,유제현,임오경,박기덕,우주현,이주강 대한연하장애학회 2022 대한연하장애학회지 Vol.12 No.2
Laryngotracheal separation (LTS) is one of the treatment options for intractable aspiration. Here, we present two cases of LTS with successful prevention of intractable aspiration. The first case was a 60-year-old man with severe hypoxic brain damage caused by hydrogen sulfide (H2S) intoxication; he was admitted to our department for comprehensive rehabilitation. Frequent tracheal suction was required due to the excess secretion from saliva aspiration. Matters were complicated when he suffered frequent regurgitation and vomiting, which was followed by tracheal aspiration. In the second case, a 78-year-old man presented with a severe traumatic brain injury. He had experienced recurrent aspiration pneumonia, which was unresponsive to conventional therapy. In both cases, LTS was performed to prevent intractable aspiration pneumonia. Subsequent to the LTS procedure, videofluoroscopic swallowing study showed complete prevention of the aspiration in both patients. Moreover, tracheal secretion was reduced, and tracheal suction was no longer required. Post-surgery, there was no development of aspiration pneumonia during their hospital stays.
오규석,이상희,부성민 충남대학교 기초과학연구소 2002 忠南科學硏究誌 Vol.29 No.1
Seasonal changes and density of the phytoplankton were investigated from October 2001 to July 2002 in an undisturbed swamp, Jangjaneup which is located in Geumsan. A total of phytoplankton identified were 113 taxa, belonging to 6 classes, 15 orders, 30 families, and 64 genera (44 species of Bacillariophyceae, 48 of Chlorophyceae, 11 of Cyanophyceae, 5 of Euglenophyceae, 4 of Crysophyceae, and 1 of Dinophyceae). Phytoplankton density varied from 444±95 cell·mL^(-1) in April to 2,903 ± 263 cell·mL^(-1) in February. Dominant phytoplankton species were Fragilaria crotonnesis, Gomphonema olivaceum, Navicula sp., Synedra acus, Synedra ulna, Gloeocystis gigas, Pandorina morum, Pediastrum boryanum, and Peridimium sp.