메뉴 건너뛰기




Volumn 19, Issue 3, 2009, Pages 333-343

Resection for Esophageal Cancer in the Elderly

Author keywords

Complications; Esophagectomy; Human; Mortality; Older patient

Indexed keywords

AGING; CANCER INCIDENCE; CANCER MORTALITY; CANCER RISK; CANCER SURGERY; CANCER SURVIVAL; DELIRIUM; ELDERLY CARE; ESOPHAGUS CANCER; ESOPHAGUS CARCINOMA; ESOPHAGUS RESECTION; HUMAN; MORBIDITY; PERIOPERATIVE PERIOD; POPULATION BASED CASE CONTROL STUDY; POSTOPERATIVE COMPLICATION; PRIORITY JOURNAL; PROGNOSIS; QUALITY OF LIFE; REVIEW; SQUAMOUS CELL CARCINOMA; SURGICAL MORTALITY; TREATMENT OUTCOME;

EID: 70449107340     PISSN: 15474127     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.thorsurg.2009.06.002     Document Type: Review
Times cited : (23)

References (46)
  • 1
    • 34247616047 scopus 로고    scopus 로고
    • Hospital volume and late survival after cancer surgery
    • Birkmeyer J.D., Sun Y., Wong S.L., et al. Hospital volume and late survival after cancer surgery. Ann Surg 245 5 (2007) 777-783
    • (2007) Ann Surg , vol.245 , Issue.5 , pp. 777-783
    • Birkmeyer, J.D.1    Sun, Y.2    Wong, S.L.3
  • 2
    • 51549117737 scopus 로고    scopus 로고
    • Available at: based on November 2007 SEER data submission, posted to the SEER web site, 2008. Accessed February 1, 2009
    • Ries L., Melbert D., Krapcho M., et al. SEER cancer statistics review, 1975-2005. Available at:. http://seer.cancer.gov/csr/1975_2005/ based on November 2007 SEER data submission, posted to the SEER web site, 2008. Accessed February 1, 2009
    • SEER cancer statistics review, 1975-2005
    • Ries, L.1    Melbert, D.2    Krapcho, M.3
  • 3
    • 38349174771 scopus 로고    scopus 로고
    • Outcomes after transhiatal and transthoracic esophagectomy for cancer
    • Chang A.C., Ji H., Birkmeyer N.J., et al. Outcomes after transhiatal and transthoracic esophagectomy for cancer. Ann Thorac Surg 85 2 (2008) 424-429
    • (2008) Ann Thorac Surg , vol.85 , Issue.2 , pp. 424-429
    • Chang, A.C.1    Ji, H.2    Birkmeyer, N.J.3
  • 4
    • 58749117249 scopus 로고    scopus 로고
    • Worldwide esophageal cancer collaboration
    • Rice T.W., Rusch V.W., Apperson-Hansen C., et al. Worldwide esophageal cancer collaboration. Dis Esophagus 22 1 (2009) 1-8
    • (2009) Dis Esophagus , vol.22 , Issue.1 , pp. 1-8
    • Rice, T.W.1    Rusch, V.W.2    Apperson-Hansen, C.3
  • 5
    • 58149355292 scopus 로고    scopus 로고
    • Underuse of esophagectomy as treatment for resectable esophageal cancer
    • Paulson E.C., Ra J., Armstrong K., et al. Underuse of esophagectomy as treatment for resectable esophageal cancer. Arch Surg 143 12 (2008) 1198-1203
    • (2008) Arch Surg , vol.143 , Issue.12 , pp. 1198-1203
    • Paulson, E.C.1    Ra, J.2    Armstrong, K.3
  • 6
    • 33846658703 scopus 로고    scopus 로고
    • Patterns of care and effects on mortality for cancers of the oesophagus and gastric cardia: a population-based study
    • Cronin-Fenton D.P., Sharp L., Carsin A.E., et al. Patterns of care and effects on mortality for cancers of the oesophagus and gastric cardia: a population-based study. Eur J Cancer 43 3 (2007) 565-575
    • (2007) Eur J Cancer , vol.43 , Issue.3 , pp. 565-575
    • Cronin-Fenton, D.P.1    Sharp, L.2    Carsin, A.E.3
  • 7
    • 18744421369 scopus 로고    scopus 로고
    • The Department of Veterans Affairs' NSQIP: the first national, validated, outcome-based, risk-adjusted, and peer-controlled program for the measurement and enhancement of the quality of surgical care
    • Khuri S.F., Daley J., Henderson W., et al. The Department of Veterans Affairs' NSQIP: the first national, validated, outcome-based, risk-adjusted, and peer-controlled program for the measurement and enhancement of the quality of surgical care. Ann Surg 228 4 (1998) 491-507
    • (1998) Ann Surg , vol.228 , Issue.4 , pp. 491-507
    • Khuri, S.F.1    Daley, J.2    Henderson, W.3
  • 8
    • 0037236574 scopus 로고    scopus 로고
    • Outcomes after esophagectomy: a ten-year prospective cohort
    • Bailey S.H., Bull D.A., Harpole D.H., et al. Outcomes after esophagectomy: a ten-year prospective cohort. Ann Thorac Surg 75 1 (2003) 217-222
    • (2003) Ann Thorac Surg , vol.75 , Issue.1 , pp. 217-222
    • Bailey, S.H.1    Bull, D.A.2    Harpole, D.H.3
  • 9
    • 27744551934 scopus 로고    scopus 로고
    • Survival after surgery for oesophageal cancer: a population-based study
    • Rouvelas I., Zeng W., Lindblad M., et al. Survival after surgery for oesophageal cancer: a population-based study. Lancet Oncol 6 11 (2005) 864-870
    • (2005) Lancet Oncol , vol.6 , Issue.11 , pp. 864-870
    • Rouvelas, I.1    Zeng, W.2    Lindblad, M.3
  • 10
    • 0032567115 scopus 로고    scopus 로고
    • Impact of hospital volume on operative mortality for major cancer surgery
    • Begg C.B., Cramer L.D., Hoskins W.J., et al. Impact of hospital volume on operative mortality for major cancer surgery. JAMA 280 20 (1998) 1747-1751
    • (1998) JAMA , vol.280 , Issue.20 , pp. 1747-1751
    • Begg, C.B.1    Cramer, L.D.2    Hoskins, W.J.3
  • 11
    • 0037061912 scopus 로고    scopus 로고
    • Hospital volume and surgical mortality in the United States
    • Birkmeyer J.D., Siewers A.E., Finlayson E.V.A., et al. Hospital volume and surgical mortality in the United States. N Engl J Med 346 15 (2002) 1128-1137
    • (2002) N Engl J Med , vol.346 , Issue.15 , pp. 1128-1137
    • Birkmeyer, J.D.1    Siewers, A.E.2    Finlayson, E.V.A.3
  • 12
    • 0345374594 scopus 로고    scopus 로고
    • Surgeon volume and operative mortality in the United States
    • Birkmeyer J.D., Stukel T.A., Siewers A.E., et al. Surgeon volume and operative mortality in the United States. N Engl J Med 349 22 (2003) 2117-2127
    • (2003) N Engl J Med , vol.349 , Issue.22 , pp. 2117-2127
    • Birkmeyer, J.D.1    Stukel, T.A.2    Siewers, A.E.3
  • 13
    • 33646886351 scopus 로고    scopus 로고
    • Volume and process of care in high-risk cancer surgery
    • Birkmeyer J.D., Sun Y., Goldfaden A., et al. Volume and process of care in high-risk cancer surgery. Cancer 106 11 (2006) 2476-2481
    • (2006) Cancer , vol.106 , Issue.11 , pp. 2476-2481
    • Birkmeyer, J.D.1    Sun, Y.2    Goldfaden, A.3
  • 14
    • 58249085943 scopus 로고    scopus 로고
    • The effect of volume on esophageal cancer resections: what constitutes acceptable resection volumes for centers of excellence?
    • Meguid R.A., Weiss E.S., Chang D.C., et al. The effect of volume on esophageal cancer resections: what constitutes acceptable resection volumes for centers of excellence?. J Thorac Cardiovasc Surg 137 1 (2009) 23-29
    • (2009) J Thorac Cardiovasc Surg , vol.137 , Issue.1 , pp. 23-29
    • Meguid, R.A.1    Weiss, E.S.2    Chang, D.C.3
  • 15
    • 0035404702 scopus 로고    scopus 로고
    • Operative mortality with elective surgery in older adults
    • Finlayson E.V., and Birkmeyer J.D. Operative mortality with elective surgery in older adults. Eff Clin Pract 4 4 (2001) 172-177
    • (2001) Eff Clin Pract , vol.4 , Issue.4 , pp. 172-177
    • Finlayson, E.V.1    Birkmeyer, J.D.2
  • 16
    • 0037702121 scopus 로고    scopus 로고
    • Hospital volume and operative mortality in cancer surgery: a national study
    • Finlayson E.V., Goodney P.P., and Birkmeyer J.D. Hospital volume and operative mortality in cancer surgery: a national study. Arch Surg 138 7 (2003) 721-725
    • (2003) Arch Surg , vol.138 , Issue.7 , pp. 721-725
    • Finlayson, E.V.1    Goodney, P.P.2    Birkmeyer, J.D.3
  • 17
    • 36148953846 scopus 로고    scopus 로고
    • Outcomes in octogenarians undergoing high-risk cancer operation: a national study
    • Finlayson E., Fan Z., and Birkmeyer J.D. Outcomes in octogenarians undergoing high-risk cancer operation: a national study. J Am Coll Surg 205 6 (2007) 729-734
    • (2007) J Am Coll Surg , vol.205 , Issue.6 , pp. 729-734
    • Finlayson, E.1    Fan, Z.2    Birkmeyer, J.D.3
  • 18
    • 53849149347 scopus 로고    scopus 로고
    • Measuring the quality of surgical outcomes in general thoracic surgery: should surgical volume be used to direct patient referrals?
    • Kozower B.D., Stukenborg G.J., Lau C.L., et al. Measuring the quality of surgical outcomes in general thoracic surgery: should surgical volume be used to direct patient referrals?. Ann Thorac Surg 86 5 (2008) 1405-1408
    • (2008) Ann Thorac Surg , vol.86 , Issue.5 , pp. 1405-1408
    • Kozower, B.D.1    Stukenborg, G.J.2    Lau, C.L.3
  • 19
    • 0031913206 scopus 로고    scopus 로고
    • Esophagectomy for carcinoma of the esophagus in the elderly: results of current surgical management
    • Poon R.T., Law S.Y., Chu K.M., et al. Esophagectomy for carcinoma of the esophagus in the elderly: results of current surgical management. Ann Surg 227 3 (1998) 357-364
    • (1998) Ann Surg , vol.227 , Issue.3 , pp. 357-364
    • Poon, R.T.1    Law, S.Y.2    Chu, K.M.3
  • 20
    • 33644976522 scopus 로고    scopus 로고
    • The influence of technical complications on postoperative outcome and survival after esophagectomy
    • Ferri L.E., Law S., Wong K.H., et al. The influence of technical complications on postoperative outcome and survival after esophagectomy. Ann Surg Oncol 13 4 (2006) 557-564
    • (2006) Ann Surg Oncol , vol.13 , Issue.4 , pp. 557-564
    • Ferri, L.E.1    Law, S.2    Wong, K.H.3
  • 21
    • 23844431959 scopus 로고    scopus 로고
    • Predictors of operative death after oesophagectomy for carcinoma
    • Abunasra H., Lewis S., Beggs L., et al. Predictors of operative death after oesophagectomy for carcinoma. Br J Surg 92 8 (2005) 1029-1033
    • (2005) Br J Surg , vol.92 , Issue.8 , pp. 1029-1033
    • Abunasra, H.1    Lewis, S.2    Beggs, L.3
  • 22
    • 33751181008 scopus 로고    scopus 로고
    • Mortality increases for octogenarians undergoing esophagogastrectomy for esophageal cancer
    • Moskovitz A.H., Rizk N.P., Venkatraman E., et al. Mortality increases for octogenarians undergoing esophagogastrectomy for esophageal cancer. Ann Thorac Surg 82 6 (2006) 2031-2036
    • (2006) Ann Thorac Surg , vol.82 , Issue.6 , pp. 2031-2036
    • Moskovitz, A.H.1    Rizk, N.P.2    Venkatraman, E.3
  • 23
    • 1042287414 scopus 로고    scopus 로고
    • The impact of complications on outcomes after resection for esophageal and gastroesophageal junction carcinoma
    • Rizk N.P., Bach P.B., Schrag D., et al. The impact of complications on outcomes after resection for esophageal and gastroesophageal junction carcinoma. J Am Coll Surg 198 1 (2004) 42-50
    • (2004) J Am Coll Surg , vol.198 , Issue.1 , pp. 42-50
    • Rizk, N.P.1    Bach, P.B.2    Schrag, D.3
  • 24
    • 34548170543 scopus 로고    scopus 로고
    • Two thousand transhiatal esophagectomies: changing trends, lessons learned
    • Orringer M.B., Marshall B., Chang A.C., et al. Two thousand transhiatal esophagectomies: changing trends, lessons learned. Ann Surg 246 3 (2007) 363-372
    • (2007) Ann Surg , vol.246 , Issue.3 , pp. 363-372
    • Orringer, M.B.1    Marshall, B.2    Chang, A.C.3
  • 25
    • 0032897939 scopus 로고    scopus 로고
    • Node status in transmural esophageal adenocarcinoma and outcome after en bloc esophagectomy
    • Nigro J.J., DeMeester S.R., Hagen J.A., et al. Node status in transmural esophageal adenocarcinoma and outcome after en bloc esophagectomy. J Thorac Cardiovasc Surg 117 5 (1999) 960-968
    • (1999) J Thorac Cardiovasc Surg , vol.117 , Issue.5 , pp. 960-968
    • Nigro, J.J.1    DeMeester, S.R.2    Hagen, J.A.3
  • 26
    • 0033862382 scopus 로고    scopus 로고
    • The recurrence pattern of esophageal carcinoma after transhiatal resection
    • Hulscher J.B.F., van Sandick J.W., Tijssen J.G.P., et al. The recurrence pattern of esophageal carcinoma after transhiatal resection. J Am Coll Surg 191 2 (2000) 143-148
    • (2000) J Am Coll Surg , vol.191 , Issue.2 , pp. 143-148
    • Hulscher, J.B.F.1    van Sandick, J.W.2    Tijssen, J.G.P.3
  • 27
    • 0037153029 scopus 로고    scopus 로고
    • Extended transthoracic resection compared with limited transhiatal resection for adenocarcinoma of the esophagus
    • Hulscher J.B.F., van Sandick J.W., de Boer A.G.E.M., et al. Extended transthoracic resection compared with limited transhiatal resection for adenocarcinoma of the esophagus. N Engl J Med 347 21 (2002) 1662-1669
    • (2002) N Engl J Med , vol.347 , Issue.21 , pp. 1662-1669
    • Hulscher, J.B.F.1    van Sandick, J.W.2    de Boer, A.G.E.M.3
  • 28
    • 0345257289 scopus 로고    scopus 로고
    • Mortality and morbidity in gastro-oesophageal cancer surgery: initial results of ASCOT multicentre prospective cohort study
    • McCulloch P., Ward J., and Tekkis P.P. Mortality and morbidity in gastro-oesophageal cancer surgery: initial results of ASCOT multicentre prospective cohort study. Br Med J 327 7425 (2003) 1192-1197
    • (2003) Br Med J , vol.327 , Issue.7425 , pp. 1192-1197
    • McCulloch, P.1    Ward, J.2    Tekkis, P.P.3
  • 29
    • 0038350966 scopus 로고    scopus 로고
    • Transthoracic versus transhiatal esophagectomy: a prospective study of 945 patients
    • Rentz J., Bull D., Harpole D., et al. Transthoracic versus transhiatal esophagectomy: a prospective study of 945 patients. J Thorac Cardiovasc Surg 125 5 (2003) 1114-1120
    • (2003) J Thorac Cardiovasc Surg , vol.125 , Issue.5 , pp. 1114-1120
    • Rentz, J.1    Bull, D.2    Harpole, D.3
  • 30
    • 27444446730 scopus 로고    scopus 로고
    • Transhiatal and transthoracic resection in adenocarcinoma of the esophagus: does the operative approach have an influence on the long-term prognosis?
    • Gockel I., Heckhoff S., Messow C., et al. Transhiatal and transthoracic resection in adenocarcinoma of the esophagus: does the operative approach have an influence on the long-term prognosis?. World J Surg Oncol 3 1 (2005) 40
    • (2005) World J Surg Oncol , vol.3 , Issue.1 , pp. 40
    • Gockel, I.1    Heckhoff, S.2    Messow, C.3
  • 31
    • 33744485246 scopus 로고    scopus 로고
    • Effectiveness of radical en-bloc-esophagectomy compared to transhiatal esophagectomy in squamous cell cancer of the esophagus is influenced by nodal micrometastases
    • Yekebas E.F., Schurr P.G., Kaifi J.T., et al. Effectiveness of radical en-bloc-esophagectomy compared to transhiatal esophagectomy in squamous cell cancer of the esophagus is influenced by nodal micrometastases. J Surg Oncol 93 7 (2006) 541-549
    • (2006) J Surg Oncol , vol.93 , Issue.7 , pp. 541-549
    • Yekebas, E.F.1    Schurr, P.G.2    Kaifi, J.T.3
  • 32
    • 31844445582 scopus 로고    scopus 로고
    • Risk factors for complications after esophageal cancer resection: a prospective population-based study in Sweden
    • Viklund P., Lindblad M., Lu M., et al. Risk factors for complications after esophageal cancer resection: a prospective population-based study in Sweden. Ann Surg 243 2 (2006) 204-211
    • (2006) Ann Surg , vol.243 , Issue.2 , pp. 204-211
    • Viklund, P.1    Lindblad, M.2    Lu, M.3
  • 33
    • 4644352502 scopus 로고    scopus 로고
    • Reducing hospital morbidity and mortality following esophagectomy
    • Atkins B.Z., Shah A.S., Hutcheson K.A., et al. Reducing hospital morbidity and mortality following esophagectomy. Ann Thorac Surg 78 4 (2004) 1170-1176
    • (2004) Ann Thorac Surg , vol.78 , Issue.4 , pp. 1170-1176
    • Atkins, B.Z.1    Shah, A.S.2    Hutcheson, K.A.3
  • 34
    • 0031658218 scopus 로고    scopus 로고
    • Surgery for esophageal cancer in elderly patients: the view from Nottingham
    • Alexiou C., Beggs D., Salama F.D., et al. Surgery for esophageal cancer in elderly patients: the view from Nottingham. J Thorac Cardiovasc Surg 116 4 (1998) 545-553
    • (1998) J Thorac Cardiovasc Surg , vol.116 , Issue.4 , pp. 545-553
    • Alexiou, C.1    Beggs, D.2    Salama, F.D.3
  • 35
    • 0028008505 scopus 로고
    • A clinical prediction rule for delirium after elective noncardiac surgery
    • Marcantonio E.R., Goldman L., Mangione C.M., et al. A clinical prediction rule for delirium after elective noncardiac surgery. JAMA 271 2 (1994) 134-139
    • (1994) JAMA , vol.271 , Issue.2 , pp. 134-139
    • Marcantonio, E.R.1    Goldman, L.2    Mangione, C.M.3
  • 36
    • 25444435011 scopus 로고    scopus 로고
    • Preventing delirium in older people
    • Anderson D. Preventing delirium in older people. Br Med Bull 73-74 1 (2005) 25-34
    • (2005) Br Med Bull , vol.73-74 , Issue.1 , pp. 25-34
    • Anderson, D.1
  • 37
    • 35148824772 scopus 로고    scopus 로고
    • Esophagectomy-it's not just about mortality anymore: standardized perioperative clinical pathways improve outcomes in patients with esophageal cancer
    • Low D., Kunz S., Schembre D., et al. Esophagectomy-it's not just about mortality anymore: standardized perioperative clinical pathways improve outcomes in patients with esophageal cancer. J Gastrointest Surg 11 11 (2007) 1395-1402
    • (2007) J Gastrointest Surg , vol.11 , Issue.11 , pp. 1395-1402
    • Low, D.1    Kunz, S.2    Schembre, D.3
  • 38
    • 67650716715 scopus 로고    scopus 로고
    • Prevention, diagnosis and management of post-operative delirium in older adults
    • [quiz: 294]
    • Flinn D.R., Diehl K.M., Seyfried L.S., et al. Prevention, diagnosis and management of post-operative delirium in older adults. J Am Coll Surg 209 2 (2009) 261-268 [quiz: 294]
    • (2009) J Am Coll Surg , vol.209 , Issue.2 , pp. 261-268
    • Flinn, D.R.1    Diehl, K.M.2    Seyfried, L.S.3
  • 39
    • 58749107391 scopus 로고    scopus 로고
    • Postoperative delirium in the elderly: risk factors and outcomes
    • Robinson T.N., Raeburn C.D., Tran Z.V., et al. Postoperative delirium in the elderly: risk factors and outcomes. Ann Surg 249 1 (2009) 173-178
    • (2009) Ann Surg , vol.249 , Issue.1 , pp. 173-178
    • Robinson, T.N.1    Raeburn, C.D.2    Tran, Z.V.3
  • 40
    • 0029917496 scopus 로고    scopus 로고
    • Precipitating factors for delirium in hospitalized elderly persons. Predictive model and interrelationship with baseline vulnerability
    • Inouye S.K., and Charpentier P.A. Precipitating factors for delirium in hospitalized elderly persons. Predictive model and interrelationship with baseline vulnerability. JAMA 275 11 (1996) 852-857
    • (1996) JAMA , vol.275 , Issue.11 , pp. 852-857
    • Inouye, S.K.1    Charpentier, P.A.2
  • 41
    • 36349007064 scopus 로고    scopus 로고
    • Adverse outcomes of geriatric patients undergoing abdominal surgery who are at high risk for delirium
    • Ganai S., Lee K.F., Merrill A., et al. Adverse outcomes of geriatric patients undergoing abdominal surgery who are at high risk for delirium. Arch Surg 142 11 (2007) 1072-1078
    • (2007) Arch Surg , vol.142 , Issue.11 , pp. 1072-1078
    • Ganai, S.1    Lee, K.F.2    Merrill, A.3
  • 42
    • 20344373911 scopus 로고    scopus 로고
    • Long-term function and quality of life after esophageal resection for cancer and Barrett's
    • xi
    • Deschamps C., Nichols III F.C., Cassivi S.D., et al. Long-term function and quality of life after esophageal resection for cancer and Barrett's. Surg Clin North Am 85 3 (2005) 649-656 xi
    • (2005) Surg Clin North Am , vol.85 , Issue.3 , pp. 649-656
    • Deschamps, C.1    Nichols III, F.C.2    Cassivi, S.D.3
  • 43
    • 55149105891 scopus 로고    scopus 로고
    • Patient preferences for the disclosure of prognosis after esophagectomy for cancer with curative intent
    • Lagarde S., Franssen S., van Werven J., et al. Patient preferences for the disclosure of prognosis after esophagectomy for cancer with curative intent. Ann Surg Oncol 15 11 (2008) 3289-3298
    • (2008) Ann Surg Oncol , vol.15 , Issue.11 , pp. 3289-3298
    • Lagarde, S.1    Franssen, S.2    van Werven, J.3
  • 44
    • 19544387429 scopus 로고    scopus 로고
    • The impact of operative complexity on patient risk factors
    • Aust J.B., Henderson W., Khuri S., et al. The impact of operative complexity on patient risk factors. Ann Surg 241 6 (2005) 1024-1027
    • (2005) Ann Surg , vol.241 , Issue.6 , pp. 1024-1027
    • Aust, J.B.1    Henderson, W.2    Khuri, S.3
  • 45
    • 35548995833 scopus 로고    scopus 로고
    • Predictive ability of preoperative indices for esophagectomy
    • Shende M.R., Waxman J., and Luketich J.D. Predictive ability of preoperative indices for esophagectomy. Thorac Surg Clin 17 3 (2007) 337-341
    • (2007) Thorac Surg Clin , vol.17 , Issue.3 , pp. 337-341
    • Shende, M.R.1    Waxman, J.2    Luketich, J.D.3
  • 46
    • 43649096619 scopus 로고    scopus 로고
    • Preoperative prediction of the occurrence and severity of complications after esophagectomy for cancer with use of a nomogram
    • Lagarde S.M., Reitsma J.B., Maris A.-K.D., et al. Preoperative prediction of the occurrence and severity of complications after esophagectomy for cancer with use of a nomogram. Ann Thorac Surg 85 6 (2008) 1938-1945
    • (2008) Ann Thorac Surg , vol.85 , Issue.6 , pp. 1938-1945
    • Lagarde, S.M.1    Reitsma, J.B.2    Maris, A.-K.D.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.