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Volumn 10, Issue 1, 2009, Pages

High prevalence of undiagnosed chronic kidney disease among at-risk population in Kinshasa, the Democratic Republic of Congo

Author keywords

[No Author keywords available]

Indexed keywords

CREATININE; GLUCOSE;

EID: 69049111040     PISSN: None     EISSN: 14712369     Source Type: Journal    
DOI: 10.1186/1471-2369-10-18     Document Type: Article
Times cited : (67)

References (46)
  • 1
    • 32844463812 scopus 로고    scopus 로고
    • The global challenge of chronic kidney disease
    • 10.1111/j.1523-1755.2005.00774.x. 16316385
    • The global challenge of chronic kidney disease. M El Nahas, Kidney Int 2005 68 6 2918 2929 10.1111/j.1523-1755.2005.00774.x 16316385
    • (2005) Kidney Int , vol.68 , Issue.6 , pp. 2918-2929
    • El Nahas, M.1
  • 2
    • 62849109317 scopus 로고    scopus 로고
    • High prevalence of chronic kidney disease in Iran: A large population-based study
    • 19183493. 10.1186/1471-2458-9-44
    • High prevalence of chronic kidney disease in Iran: a large population-based study. F Hosseinpanah F Kasraei AA Nassiri F Azizi, BMC Public Health 2009 9 1 44 19183493 10.1186/1471-2458-9-44
    • (2009) BMC Public Health , vol.9 , Issue.1 , pp. 44
    • Hosseinpanah, F.1    Kasraei, F.2    Nassiri, A.A.3    Azizi, F.4
  • 3
    • 39649096751 scopus 로고    scopus 로고
    • CKD prevention in Sub-Saharan Africa: A call for governmental, nongovernmental, and community support
    • 10.1053/j.ajkd.2007.12.006. 18295068
    • CKD prevention in Sub-Saharan Africa: a call for governmental, nongovernmental, and community support. FA Arogundade RS Barsoum, Am J Kidney Dis 2008 51 3 515 523 10.1053/j.ajkd.2007.12.006 18295068
    • (2008) Am J Kidney Dis , vol.51 , Issue.3 , pp. 515-523
    • Arogundade, F.A.1    Barsoum, R.S.2
  • 4
    • 58049192976 scopus 로고    scopus 로고
    • Prevalence of chronic kidney disease in Kinshasa: Results of a pilot study from the Democratic Republic of Congo
    • 10.1093/ndt/gfn469. 18715963
    • Prevalence of chronic kidney disease in Kinshasa: results of a pilot study from the Democratic Republic of Congo. EK Sumaili JM Krzesinski CV Zinga EP Cohen P Delanaye SM Munyanga NM Nseka, Nephrol Dial Transplant 2009 24 1 117 122 10.1093/ndt/gfn469 18715963
    • (2009) Nephrol Dial Transplant , vol.24 , Issue.1 , pp. 117-122
    • Sumaili, E.K.1    Krzesinski, J.M.2    Zinga, C.V.3    Cohen, E.P.4    Delanaye, P.5    Munyanga, S.M.6    Nseka, N.M.7
  • 5
    • 33644823235 scopus 로고    scopus 로고
    • The nephrotic syndrome in the Democratic Republic of Congo
    • 10.1056/NEJMc052696. 16525148
    • The nephrotic syndrome in the Democratic Republic of Congo. NM Pakasa EK Sumaili, N Engl J Med 2006 354 10 1085 1086 10.1056/NEJMc052696 16525148
    • (2006) N Engl J Med , vol.354 , Issue.10 , pp. 1085-1086
    • Pakasa, N.M.1    Sumaili, E.K.2
  • 6
    • 33846708606 scopus 로고    scopus 로고
    • How to tackle the avalanche of chronic kidney disease in Sub-Saharan Africa: The situation in the Democratic Republic of Congo as an example
    • 10.1093/ndt/gfl494. 17035376
    • How to tackle the avalanche of chronic kidney disease in Sub-Saharan Africa: the situation in the Democratic Republic of Congo as an example. JM Krzesinski EK Sumaili E Cohen, Nephrol Dial Transplant 2007 22 2 332 335 10.1093/ndt/gfl494 17035376
    • (2007) Nephrol Dial Transplant , vol.22 , Issue.2 , pp. 332-335
    • Krzesinski, J.M.1    Sumaili, E.K.2    Cohen, E.3
  • 8
    • 0027370108 scopus 로고
    • The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus
    • The Diabetes Control and Complications Trial Research Group 10.1056/NEJM199309303291401. 8366922
    • The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. The Diabetes Control and Complications Trial Research Group. N Engl J Med 1993 329 14 977 986 10.1056/NEJM199309303291401 8366922
    • (1993) N Engl J Med , vol.329 , Issue.14 , pp. 977-986
  • 9
    • 0032511583 scopus 로고    scopus 로고
    • Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33)
    • UK Prospective Diabetes Study (UKPDS) Group 10.1016/S0140-6736(98)07019- 6. 9742976
    • Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes (UKPDS 33). UK Prospective Diabetes Study (UKPDS) Group. Lancet 1998 352 9131 837 853 10.1016/S0140-6736(98)07019-6 9742976
    • (1998) Lancet , vol.352 , Issue.9131 , pp. 837-853
  • 10
    • 0035203597 scopus 로고    scopus 로고
    • ACE inhibitors to prevent end-stage renal disease: When to start and why possibly never to stop: A post hoc analysis of the REIN trial results. Ramipril Efficacy in Nephropathy
    • 11729254
    • ACE inhibitors to prevent end-stage renal disease: when to start and why possibly never to stop: a post hoc analysis of the REIN trial results. Ramipril Efficacy in Nephropathy. P Ruggenenti A Perna G Remuzzi, J Am Soc Nephrol 2001 12 12 2832 2837 11729254
    • (2001) J Am Soc Nephrol , vol.12 , Issue.12 , pp. 2832-2837
    • Ruggenenti, P.1    Perna, A.2    Remuzzi, G.3
  • 12
    • 33644825657 scopus 로고    scopus 로고
    • Chronic kidney disease in the developing world
    • 10.1056/NEJMp058318. 16525136
    • Chronic kidney disease in the developing world. RS Barsoum, N Engl J Med 2006 354 10 997 999 10.1056/NEJMp058318 16525136
    • (2006) N Engl J Med , vol.354 , Issue.10 , pp. 997-999
    • Barsoum, R.S.1
  • 13
    • 0346749771 scopus 로고    scopus 로고
    • Screening for proteinuria in US adults: A cost-effectiveness analysis
    • 10.1001/jama.290.23.3101. 14679273
    • Screening for proteinuria in US adults: a cost-effectiveness analysis. LE Boulware BG Jaar ME Tarver-Carr FL Brancati NR Powe, JAMA 2003 290 23 3101 3114 10.1001/jama.290.23.3101 14679273
    • (2003) JAMA , vol.290 , Issue.23 , pp. 3101-3114
    • Boulware, L.E.1    Jaar, B.G.2    Tarver-Carr, M.E.3    Brancati, F.L.4    Powe, N.R.5
  • 14
    • 42549122959 scopus 로고    scopus 로고
    • Screening for chronic kidney disease: Where does Europe go?
    • 10.2215/CJN.04381007. 18287253
    • Screening for chronic kidney disease: where does Europe go? PE de Jong M van der Velde RT Gansevoort C Zoccali, Clin J Am Soc Nephrol 2008 3 2 616 623 10.2215/CJN.04381007 18287253
    • (2008) Clin J Am Soc Nephrol , vol.3 , Issue.2 , pp. 616-623
    • De Jong, P.E.1    Van Der Velde, M.2    Gansevoort, R.T.3    Zoccali, C.4
  • 15
    • 33746099725 scopus 로고    scopus 로고
    • HIV/AIDS - Dominant player in chronic kidney disease
    • 16774012
    • HIV/AIDS - dominant player in chronic kidney disease. S Naicker TM Han J Fabian, Ethn Dis 2006 16 2 Suppl 2 S2 56 16774012
    • (2006) Ethn Dis , vol.16 , Issue.2 SUPPL. 2 , pp. 2-56
    • Naicker, S.1    Han, T.M.2    Fabian, J.3
  • 16
    • 47549107629 scopus 로고    scopus 로고
    • Estimating Glomerular Filtration Rate in Black South Africans by Use the Modification of Diet in Renal Disease and Cockcroft-Gault Equations
    • 10.1373/clinchem.2007.099085. 18487286
    • Estimating Glomerular Filtration Rate in Black South Africans by Use the Modification of Diet in Renal Disease and Cockcroft-Gault Equations. HE Van Deventer JA George JE Paiker PJ Becker IJ Katz, Clin Chem 2008 54 7 1197 1202 10.1373/clinchem.2007.099085 18487286
    • (2008) Clin Chem , vol.54 , Issue.7 , pp. 1197-1202
    • Van Deventer, H.E.1    George, J.A.2    Paiker, J.E.3    Becker, P.J.4    Katz, I.J.5
  • 18
    • 0038460302 scopus 로고    scopus 로고
    • The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure: The JNC 7 report
    • 10.1001/jama.289.19.2560. 12748199
    • The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure: the JNC 7 report. AV Chobanian GL Bakris HR Black WC Cushman LA Green JL Izzo Jr DW Jones BJ Materson S Oparil JT Wright Jr et al., JAMA 2003 289 19 2560 2572 10.1001/jama.289.19.2560 12748199
    • (2003) JAMA , vol.289 , Issue.19 , pp. 2560-2572
    • Chobanian, A.V.1    Bakris, G.L.2    Black, H.R.3    Cushman, W.C.4    Green, L.A.5    Izzo Jr., J.L.6    Jones, D.W.7    Materson, B.J.8    Oparil, S.9    Wright Jr., J.T.10
  • 19
    • 69049120020 scopus 로고    scopus 로고
    • The problem of overweight and obesity 2000: Preventing and managing the global epidemic
    • Wt. Geneva: WHO
    • The problem of overweight and obesity 2000: preventing and managing the global epidemic. WHO, Report series 894 Wt. Geneva: WHO 2000 537
    • (2000) WHO, Report Series 894 , pp. 537
  • 20
    • 33747120659 scopus 로고    scopus 로고
    • Using standardized serum creatinine values in the modification of diet in renal disease study equation for estimating glomerular filtration rate
    • 16908915
    • Using standardized serum creatinine values in the modification of diet in renal disease study equation for estimating glomerular filtration rate. AS Levey J Coresh T Greene LA Stevens YL Zhang S Hendriksen JW Kusek F Van Lente, Ann Intern Med 2006 145 4 247 254 16908915
    • (2006) Ann Intern Med , vol.145 , Issue.4 , pp. 247-254
    • Levey, A.S.1    Coresh, J.2    Greene, T.3    Stevens, L.A.4    Zhang, Y.L.5    Hendriksen, S.6    Kusek, J.W.7    Van Lente, F.8
  • 21
    • 0036176161 scopus 로고    scopus 로고
    • K/DOQI clinical practice guidelines for chronic kidney disease 2002: Evaluation, classification, and stratification
    • 11904577
    • K/DOQI clinical practice guidelines for chronic kidney disease 2002: evaluation, classification, and stratification. Am J Kidney Dis 2002 39 2 Suppl 1 S1 266 11904577
    • (2002) Am J Kidney Dis , vol.39 , Issue.2 SUPPL. 1 , pp. 1-266
  • 22
    • 0031066982 scopus 로고    scopus 로고
    • Evaluation of serum creatinine for estimating glomerular filtration rate in African Americans with hypertensive nephrosclerosis: Results from the African-American Study of Kidney Disease and Hypertension (AASK) Pilot Study
    • 9048347
    • Evaluation of serum creatinine for estimating glomerular filtration rate in African Americans with hypertensive nephrosclerosis: results from the African-American Study of Kidney Disease and Hypertension (AASK) Pilot Study. RD Toto KA Kirk J Coresh C Jones L Appel J Wright V Campese B Olutade L Agodoa, J Am Soc Nephrol 1997 8 2 279 287 9048347
    • (1997) J Am Soc Nephrol , vol.8 , Issue.2 , pp. 279-287
    • Toto, R.D.1    Kirk, K.A.2    Coresh, J.3    Jones, C.4    Appel, L.5    Wright, J.6    Campese, V.7    Olutade, B.8    Agodoa, L.9
  • 24
    • 53649092298 scopus 로고    scopus 로고
    • Screening for CKD with eGFR: Doubts and dangers
    • 10.2215/CJN.00960208. 18667744
    • Screening for CKD with eGFR: doubts and dangers. RJ Glassock C Winearls, Clin J Am Soc Nephrol 2008 3 5 1563 1568 10.2215/CJN.00960208 18667744
    • (2008) Clin J Am Soc Nephrol , vol.3 , Issue.5 , pp. 1563-1568
    • Glassock, R.J.1    Winearls, C.2
  • 25
    • 33751319917 scopus 로고    scopus 로고
    • Screening strategies for chronic kidney disease in the general population: Follow-up of cross sectional health survey
    • 17062598. 10.1136/bmj.39001.657755.BE
    • Screening strategies for chronic kidney disease in the general population: follow-up of cross sectional health survey. SI Hallan K Dahl CM Oien DC Grootendorst A Aasberg J Holmen FW Dekker, BMJ 2006 333 7577 1047 17062598 10.1136/bmj.39001.657755.BE
    • (2006) BMJ , vol.333 , Issue.7577 , pp. 1047
    • Hallan, S.I.1    Dahl, K.2    Oien, C.M.3    Grootendorst, D.C.4    Aasberg, A.5    Holmen, J.6    Dekker, F.W.7
  • 26
    • 0028970187 scopus 로고
    • Proteinuria screening using sulfosalicylic acid: Advantages of the method for the monitoring of prenatal consultations in West Africa
    • 10.1007/BF01615661. 7900435
    • Proteinuria screening using sulfosalicylic acid: advantages of the method for the monitoring of prenatal consultations in West Africa. CF Robert A Mauris P Bouvier A Rougemont, Soz Praventivmed 1995 40 1 44 49 10.1007/BF01615661 7900435
    • (1995) Soz Praventivmed , vol.40 , Issue.1 , pp. 44-49
    • Robert, C.F.1    Mauris, A.2    Bouvier, P.3    Rougemont, A.4
  • 28
    • 33645453046 scopus 로고    scopus 로고
    • Urinary albumin excretion as a predictor of the development of hypertension in the general population
    • 16434504
    • Urinary albumin excretion as a predictor of the development of hypertension in the general population. AH Brantsma SJ Bakker D de Zeeuw PE de Jong RT Gansevoort, J Am Soc Nephrol 2006 17 2 331 335 16434504
    • (2006) J Am Soc Nephrol , vol.17 , Issue.2 , pp. 331-335
    • Brantsma, A.H.1    Bakker, S.J.2    De Zeeuw, D.3    De Jong, P.E.4    Gansevoort, R.T.5
  • 29
    • 25644432841 scopus 로고    scopus 로고
    • Urinary albumin excretion and its relation with C-reactive protein and the metabolic syndrome in the prediction of type 2 diabetes
    • 10.2337/diacare.28.10.2525. 16186291
    • Urinary albumin excretion and its relation with C-reactive protein and the metabolic syndrome in the prediction of type 2 diabetes. AH Brantsma SJ Bakker HL Hillege D de Zeeuw PE de Jong RT Gansevoort, Diabetes Care 2005 28 10 2525 2530 10.2337/diacare.28.10.2525 16186291
    • (2005) Diabetes Care , vol.28 , Issue.10 , pp. 2525-2530
    • Brantsma, A.H.1    Bakker, S.J.2    Hillege, H.L.3    De Zeeuw, D.4    De Jong, P.E.5    Gansevoort, R.T.6
  • 30
    • 0037378449 scopus 로고    scopus 로고
    • Proteinuria and the risk of developing end-stage renal disease
    • 10.1046/j.1523-1755.2003.00868.x. 12631363
    • Proteinuria and the risk of developing end-stage renal disease. K Iseki Y Ikemiya C Iseki S Takishita, Kidney Int 2003 63 4 1468 1474 10.1046/j.1523-1755.2003.00868.x 12631363
    • (2003) Kidney Int , vol.63 , Issue.4 , pp. 1468-1474
    • Iseki, K.1    Ikemiya, Y.2    Iseki, C.3    Takishita, S.4
  • 32
    • 35848957265 scopus 로고    scopus 로고
    • Chronic kidney disease-the promise and the perils
    • 10.1681/ASN.2007080964. 17942947
    • Chronic kidney disease-the promise and the perils. WG Couser, J Am Soc Nephrol 2007 18 2803 2805 10.1681/ASN.2007080964 17942947
    • (2007) J Am Soc Nephrol , vol.18 , pp. 2803-2805
    • Couser, W.G.1
  • 33
    • 34547461117 scopus 로고    scopus 로고
    • Chronic kidney disease as a global public health problem: Approaches and initiatives - A position statement from Kidney Disease Improving Global Outcomes
    • 10.1038/sj.ki.5002343. 17568785
    • Chronic kidney disease as a global public health problem: approaches and initiatives - a position statement from Kidney Disease Improving Global Outcomes. AS Levey R Atkins J Coresh EP Cohen AJ Collins KU Eckardt ME Nahas BL Jaber M Jadoul A Levin et al., Kidney Int 2007 72 3 247 259 10.1038/sj.ki. 5002343 17568785
    • (2007) Kidney Int , vol.72 , Issue.3 , pp. 247-259
    • Levey, A.S.1    Atkins, R.2    Coresh, J.3    Cohen, E.P.4    Collins, A.J.5    Eckardt, K.U.6    Nahas, M.E.7    Jaber, B.L.8    Jadoul, M.9    Levin, A.10
  • 34
    • 0034927743 scopus 로고    scopus 로고
    • Prevalence of high blood pressure and elevated serum creatinine level in the United States: Findings from the third National Health and Nutrition Examination Survey (1988-1994)
    • 10.1001/archinte.161.9.1207. 11343443
    • Prevalence of high blood pressure and elevated serum creatinine level in the United States: findings from the third National Health and Nutrition Examination Survey (1988-1994). J Coresh GL Wei G McQuillan FL Brancati AS Levey C Jones MJ Klag, Arch Intern Med 2001 161 9 1207 1216 10.1001/archinte.161.9. 1207 11343443
    • (2001) Arch Intern Med , vol.161 , Issue.9 , pp. 1207-1216
    • Coresh, J.1    Wei, G.L.2    McQuillan, G.3    Brancati, F.L.4    Levey, A.S.5    Jones, C.6    Klag, M.J.7
  • 36
    • 0029655291 scopus 로고    scopus 로고
    • End-stage renal disease in the USA: Data from the United States Renal Data System
    • 10.1159/000168965. 8719761
    • End-stage renal disease in the USA: data from the United States Renal Data System. LY Agodoa CA Jones PJ Held, Am J Nephrol 1996 16 1 7 16 10.1159/000168965 8719761
    • (1996) Am J Nephrol , vol.16 , Issue.1 , pp. 7-16
    • Agodoa, L.Y.1    Jones, C.A.2    Held, P.J.3
  • 37
    • 0037145856 scopus 로고    scopus 로고
    • Effect of blood pressure lowering and antihypertensive drug class on progression of hypertensive kidney disease: Results from the AASK trial
    • 10.1001/jama.288.19.2421. 12435255
    • Effect of blood pressure lowering and antihypertensive drug class on progression of hypertensive kidney disease: results from the AASK trial. JT Wright Jr G Bakris T Greene LY Agodoa LJ Appel J Charleston D Cheek JG Douglas-Baltimore J Gassman R Glassock et al., JAMA 2002 288 19 2421 2431 10.1001/jama.288.19.2421 12435255
    • (2002) JAMA , vol.288 , Issue.19 , pp. 2421-2431
    • Wright Jr., J.T.1    Bakris, G.2    Greene, T.3    Agodoa, L.Y.4    Appel, L.J.5    Charleston, J.6    Cheek, D.7    Douglas-Baltimore, J.G.8    Gassman, J.9    Glassock, R.10
  • 39
    • 34547816049 scopus 로고    scopus 로고
    • Chronic kidney disease in human immunodeficiency virus infection
    • 17625482
    • Chronic kidney disease in human immunodeficiency virus infection. J Fabian I Katz T Gerntholtz S Goetsch S Naicker, Panminerva Med 2007 49 2 51 66 17625482
    • (2007) Panminerva Med , vol.49 , Issue.2 , pp. 51-66
    • Fabian, J.1    Katz, I.2    Gerntholtz, T.3    Goetsch, S.4    Naicker, S.5
  • 40
    • 0025166619 scopus 로고
    • Human immunodeficiency virus-associated nephropathy. East is east and west is west?
    • 10.1001/archinte.150.2.253. 2405796
    • Human immunodeficiency virus-associated nephropathy. East is east and west is west? MH Humphreys, Arch Intern Med 1990 150 2 253 255 10.1001/archinte.150.2.253 2405796
    • (1990) Arch Intern Med , vol.150 , Issue.2 , pp. 253-255
    • Humphreys, M.H.1
  • 41
    • 29244489061 scopus 로고    scopus 로고
    • Absence of HIV-associated nephropathy in Ethiopians
    • 10.1053/j.ajkd.2005.09.023. 16377389
    • Absence of HIV-associated nephropathy in Ethiopians. DM Behar LI Shlush C Maor M Lorber K Skorecki, Am J Kidney Dis 2006 47 1 88 94 10.1053/j.ajkd.2005. 09.023 16377389
    • (2006) Am J Kidney Dis , vol.47 , Issue.1 , pp. 88-94
    • Behar, D.M.1    Shlush, L.I.2    Maor, C.3    Lorber, M.4    Skorecki, K.5
  • 42
    • 0037248734 scopus 로고    scopus 로고
    • HIV-associated nephropathy in African Americans
    • 10.1046/j.1523-1755.63.s83.10.x. 12864874
    • HIV-associated nephropathy in African Americans. JB Kopp C Winkler, Kidney Int Suppl 2003 83 S43 49 10.1046/j.1523-1755.63.s83.10.x 12864874
    • (2003) Kidney Int Suppl , Issue.83 , pp. 43-49
    • Kopp, J.B.1    Winkler, C.2
  • 43
    • 0036291046 scopus 로고    scopus 로고
    • Risk factors for proteinuria in a large, multiracial, southeast Asian population
    • 10.1097/01.ASN.0000018406.20282.C8. 12089388
    • Risk factors for proteinuria in a large, multiracial, southeast Asian population. SP Ramirez W McClellan FK Port SI Hsu, J Am Soc Nephrol 2002 13 7 1907 1917 10.1097/01.ASN.0000018406.20282.C8 12089388
    • (2002) J Am Soc Nephrol , vol.13 , Issue.7 , pp. 1907-1917
    • Ramirez, S.P.1    McClellan, W.2    Port, F.K.3    Hsu, S.I.4
  • 44
    • 21544442032 scopus 로고    scopus 로고
    • Kidney injury from alternative medicines
    • 10.1016/j.ackd.2005.03.006. 16010641
    • Kidney injury from alternative medicines. CR Colson ME De Broe, Adv Chronic Kidney Dis 2005 12 3 261 275 10.1016/j.ackd.2005.03.006 16010641
    • (2005) Adv Chronic Kidney Dis , vol.12 , Issue.3 , pp. 261-275
    • Colson, C.R.1    De Broe, M.E.2
  • 46
    • 39649122639 scopus 로고    scopus 로고
    • Should active recruitment of health workers from Sub-Saharan Africa be viewed as a crime?
    • 10.1016/S0140-6736(08)60308-6. 18295027
    • Should active recruitment of health workers from Sub-Saharan Africa be viewed as a crime? EJ Mills WA Schabas J Volmink R Walker N Ford E Katabira A Anema M Joffres P Cahn J Montaner, Lancet 2008 371 9613 685 688 10.1016/S0140-6736(08)60308-6 18295027
    • (2008) Lancet , vol.371 , Issue.9613 , pp. 685-688
    • Mills, E.J.1    Schabas, W.A.2    Volmink, J.3    Walker, R.4    Ford, N.5    Katabira, E.6    Anema, A.7    Joffres, M.8    Cahn, P.9    Montaner, J.10


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