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RISS 인기검색어
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- 저자 : 주연미 (검색결과 2 건)
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주연미 한림대학교 보건대학원 2008 국내석사
The purpose of this study was to identify the recognition difficulties in the hearing-impaired elderly according to frequency range and degree of hearing loss by measuring word recognition abilities and by analyzing recognition errors. Word recognition scores were measured at the most comfortable level (MCL) and at a conversational level of 55 dBHL. This study included 10 normal-hearing and 90 impaired-hearing elderly subjects. The 90 hearing-impaired subjects were divided into 9 groups according to the combination of three frequency ranges of hearing loss (1000~6000 Hz, 2000~6000 Hz, & 3000~6000 Hz) and three degrees of hearing loss (26~35 dBHL, 36~45 dBHL, & 46~55 dBHL). The results of this study were summarized as follows; First, at the most comfortable level, recognition scores revealed a range of 86 ~ 96% for all elderly groups. There was no significant recognition difference among three frequency ranges of hearing loss. Recognition performance decreased as degree of hearing loss increased. Second, at a conversational level of 55 dBHL, recognition scores revealed a range of 68 ~ 96 % for all elderly groups. Recognition performance was significantly deteriorated with increasing degree of hearing loss and increasing frequency ranges of hearing loss. Third, when word recognition scores at the most comfortable level and those at a conversational level of 55 dBHL were compared, there were no significant differences at 26 ~ 35 dBHL of hearing loss in all frequency range of hearing loss, and at 3000 ~ 6000 Hz of hearing loss in all degree of hearing loss. However, when frequency range of hearing loss was wider than 2000 ~ 6000 Hz and when degree of hearing loss became greater than 36 dBHL, recognition performance was significantly poorer at a conversational level of 55 dBHL than at the most comfortable level. Finally, more errors in recognition of initial consonant, vowel, and final consonants made by the hearing-impaired elderly occurred at a conversational level of 55 dBHL than at MCL level. The results of this study show that frequency range and degree of hearing loss effects on word recognition in the elderly are significant if word is presented at a conversational level. These findings suggest that word recognition measured at a conversational level provides better prediction for communication difficulties in elderly listeners with impaired hearing. Moreover, it can be usefully applied for counseling and rehabilitation for the elderly with impaired hearing.
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주연미 전북대학교 의학대학원 2014 국내석사
목 적 담낭암 초기에는 전형적인 증상이 없어 조기에 발견하기 쉽지 않다. 초기에 진단된 담낭암은 담낭용종이나 담낭 결석 같은 다른 양성 질환에 대한 치료 목적으로 담낭절제술을 시행한 이후에 우연히 발견되는 경우가 대부분이다. 의료기술과 향상에 따라 담낭용종의 발생률이 증가했음에도 불구하고, 담낭용종에서 악성을 시사하는 인자들에 대한 연구는 부족한 상태이다. 본 연구에서는 담낭 용종에서 악성을 시사하는 인자들에 대해 알아보고자 한다. 대상 및 방법 2009년 1월부터 2013년 12월까지 전북대학교 병원에서 복강경적 담낭절제술을 시행한 3,159명의 환자 중에서, 담낭용종으로 진단된 437명의 환자를 대상으로 하였다. 환자들은 두 군으로 분류하였는데, 첫번째 군은 양성 담낭용종으로 진단된 경우이고, 두번째 군은 담낭선종과 담낭암으로 진단된 경우로 분류하였다. 연령, 성별, 수술 전 시술 여부, 담낭염이나 담관염 등의 기왕력 및 용종의 크기 및 담석의 존재 여부에 대해 조사하였다. 결 과 437명의 환자 중, 양성 담낭용종으로 진단된 첫번째 군의 환자들은 359명이었고, 담낭 선종과 담낭암은 각각 53명과 25명에서 발견되었다. 두번째 군의 환자들이 첫번째 군의 환자들에 비해서 유의하게 고령 (50세 이상), 10mm이상의 크기, 담낭벽의 두께 증가를 보였다. 담석 여부는 두 군간에 유의한 차이를 보이지 않았다. 결 론 50세 이상, 크기 증가, 담낭벽의 두께 증가 등은 담낭용종에서 담낭암 또는 전구 병변의 가능성을 시사할 수 있다. 이런 인자들을 가지고 있는 담낭용종 환자에서는 담낭절제술을 적극적으로 고려해야 한다. Background Early detection of gallbladder (GB) cancer seems to be difficult due to absence of typical symptom, and most of early GB cancer usually detected incidentally after cholecystectomy which was performed for the treatment of other benign disease such as GB polyp or stone. Although incidence of GB polyps is increasing with improved surveillance, study of predictive factors of malignant potential has not been sufficient. The aim of this retrospective study was to investigate the predictive factors of malignant potential of GB polyps. Methods From 3,159 patients with laparoscopic cholecystectomy in Chonbuk National University hospital from January 2009 to December 2013, 437 patients with pathologically confirmed GB polyps were enrolled. The patients were divided into two groups: group I with benign GB polyp and group II with GB adenoma and incidental GB cancer. The demographic features including age, gender, preoperative procedures, history of cholecystitis or cholangitis and laboratory findings was checked. Radiologic and pathologic finding such as polyp or tumor size and presence of stone were also evaluated. Results From 437 patients, group I with benign GB polyp was seen in 359 patients. In group II 53 patients with GB adenoma and 25 patients with GB cancer were identified. The group with GB adenoma and incidental GB cancer had a significantly higher incidence of age older than 50 years (p=0.001), size larger than 10mm (p<0.001), and GB wall thickening (p<0.001) than those of benign GB polyps. The presence of GB stone had not shown significant differences between two groups (p=0.378). Conclusions In GB polyps, old age (>50 years), larger size (>10mm) and GB wall thickening indicate the possibility of malignant or premalignant lesion. Cholecystectomy should be considered for the patients with GB polyp with these predictive factors of malignant potential.
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