Research Topics
| F K PortSummaryAffiliation: University of Michigan Country: USA Publications
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Detail Information
Publications
Mortality risk by hemodialyzer reuse practice and dialyzer membrane characteristics: results from the usrds dialysis morbidity and mortality studyF K Port
US Renal Data System Coordinating Center, Department of Internal Medicine, University of Michigan, Ann Arbor, USA
Am J Kidney Dis 37:276-86. 2001..Use of high-flux synthetic membrane dialyzers was associated with lower mortality risk, particularly when exposed to bleach. Clearance of larger molecules may have a role...
Dialysis dose and body mass index are strongly associated with survival in hemodialysis patientsFriedrich K Port
Department of Internal Medicine, Kidney Epidemiology and Cost Center, The University of Michigan, 315 W Huron, Ann Arbor, MI 48103, USA
J Am Soc Nephrol 13:1061-6. 2002..Further reductions in mortality might be possible with increased HD dose...
Trends in treatment and survival for hemodialysis patients in the United StatesF K Port
United States Renal Data System and the University of Michigan, Ann Arbor 48103, USA
Am J Kidney Dis 32:S34-8. 1998..National observational studies of dialysis patients may influence the practice of dialysis and lead to improved survival...
Predialysis blood pressure and mortality risk in a national sample of maintenance hemodialysis patientsF K Port
United States Renal Data System, University of Michigan, Ann Arbor 48103, USA
Am J Kidney Dis 33:507-17. 1999..The strikingly elevated mortality risk with low predialysis systolic BP suggests that low predialysis BP needs to be viewed with great concern and avoided where possible...
Survival in recipients of marginal cadaveric donor kidneys compared with other recipients and wait-listed transplant candidatesA O Ojo
Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
J Am Soc Nephrol 12:589-97. 2001..It is concluded that transplantation of a marginal kidney is associated with a significant survival benefit when compared with maintenance dialysis...
Comparison of mortality in all patients on dialysis, patients on dialysis awaiting transplantation, and recipients of a first cadaveric transplantR A Wolfe
U S Renal Data System Coordinating Center, Department of Biostatistics, University of Michigan, Ann Arbor 48103, USA
N Engl J Med 341:1725-30. 1999....
Impact of pre-existing donor hypertension and diabetes mellitus on cadaveric renal transplant outcomesA O Ojo
Departments of Medicine, Surgery, Biostatistics, and Epidemiology, University of Michigan, Ann Arbor, MI 48109 0364, USA
Am J Kidney Dis 36:153-9. 2000....
Relationship of dialysis membrane and cause-specific mortalityW E Bloembergen
United States Renal Data System Coordinating Center, Ann Arbor, MI, USA
Am J Kidney Dis 33:1-10. 1999..Further studies are necessary to evaluate the possibility of confounding factors, compare more specific membrane types, and determine the pathophysiology linking membrane type to cause-specific mortality...
Prognosis after primary renal transplant failure and the beneficial effects of repeat transplantation: multivariate analyses from the United States Renal Data SystemA Ojo
Department of Medicine, University of Michigan, Ann Arbor, USA
Transplantation 66:1651-9. 1998..Survival of transplant recipients after primary renal allograft failure has not been well studied...
Renal transplantation in end-stage sickle cell nephropathyA O Ojo
Department of Medicine, University of Michigan, Ann Arbor, USA
Transplantation 67:291-5. 1999..The role of renal transplantation as treatment for end-stage sickle cell nephropathy (SCN) has not been well established...
Body size, dose of hemodialysis, and mortalityR A Wolfe
US Renal Data System Coordinating Center, University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 35:80-8. 2000..These results suggest that patient management protocols should attempt to ensure both good patient nutrition and adequate dose of dialysis, in addition to managing coexisting medical conditions...
Differences in access to cadaveric renal transplantation in the United StatesR A Wolfe
University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 36:1025-33. 2000..These differences by race were not explained by referral practices or the physiologic factors studied here...
Dialysis modality and the risk of allograft thrombosis in adult renal transplant recipientsA O Ojo
Department of Medicine, University of Michigan, Veteran Administration Hospital, Ann Arbor, USA
Kidney Int 55:1952-60. 1999..Uremic coagulopathy and dialysis modality may predispose to RVT. We investigated the impact of the pretransplant dialysis modality on the risk of RVT in adult renal transplant recipients...
Long-term survival in renal transplant recipients with graft functionA O Ojo
Departments of Medicine, The University of Michigan, Ann Arbor, Michigan 48109 0364, USA
Kidney Int 57:307-13. 2000..Long-term survival in renal transplant recipients with graft function...
A critical examination of trends in outcomes over the last decadeR A Wolfe
United States Renal Data System and the University of Michigan, Ann Arbor 48103, USA
Am J Kidney Dis 32:S9-15. 1998....
Simple nutritional indicators as independent predictors of mortality in hemodialysis patientsS F Leavey
United States Renal Data System and the Kidney Epidemiology and Cost Center, Department of Internal Medicine, University of Michigan, Ann Arbor 48103, USA
Am J Kidney Dis 31:997-1006. 1998....
Survival improvement among patients with end-stage renal disease: trends over time for transplant recipients and wait-listed patientsH U Meier-Kriesche
Department of Internal Medicine, University of Michigan, Ann Arbor 48109-0364, USA
J Am Soc Nephrol 12:1293-6. 2001..These favorable trends most likely represent equal advances in transplantation, dialysis, and general medical care...
Growth rates in pediatric dialysis patients and renal transplant recipientsM N Turenne
United States Renal Data System Coordinating Center and Department of Medicine, University of Michigan, Ann Arbor 48103, USA
Am J Kidney Dis 30:193-203. 1997..02). There was no substantial pubertal growth spurt in transplant or dialysis patients. This national US study of pediatric growth rates with dialysis and transplantation shows differences in growth by modality that vary by age group...
Transplanting kidneys without points for HLA-B matching: consequences of the policy changeV B Ashby
Department of Biostatistics, Kidney Epidemiology and Cost Center, University of Michigan, Ann Arbor, USA
Am J Transplant 11:1712-8. 2011....
Trends in organ donation and transplantation in the United States, 1997-2006F K Port
Scientific Registry of Transplant Recipients, Arbor Research Collaborative for Health, Ann Arbor, MI, USA
Am J Transplant 8:911-21. 2008
Kidney transplantation and wait-listing rates from the international Dialysis Outcomes and Practice Patterns Study (DOPPS)Suditida Satayathum
University Renal Research and Education Association, Ann Arbor, Michigan 48103, USA
Kidney Int 68:330-7. 2005..International results consistently showed higher transplantation rates for younger, healthier, better-educated, and higher income patients...
Determinants of discard of expanded criteria donor kidneys: impact of biopsy and machine perfusionR S Sung
Scientific Registry of Transplant Recipients, Division of Transplantation, Department of Surgery, University of Michigan, Ann Arbor, MI, USA
Am J Transplant 8:783-92. 2008..59, p < 0.0001) but not graft failure (RR = 0.9, p = 0.27). Biopsy findings and machine perfusion are important correlates of ECD kidney discard; corresponding associations with graft failure require further study...
Type of vascular access and mortality in U.S. hemodialysis patientsR K Dhingra
Division of Nephrology, University of Michigan Medical Center, Ann Arbor, Michigan, USA
Kidney Int 60:1443-51. 2001..Vascular access (VA) complications account for 16 to 25% of hospital admissions. This study tested the hypothesis that the type of VA in use is correlated with overall mortality and cause-specific mortality...
Transplants in Foreign Countries Among Patients Removed from the US Transplant Waiting ListR M Merion
Department of Surgery, University of Michigan, Ann Arbor, MI, USA
Am J Transplant 8:988-96. 2008..The data reported here represent the minimum number of cases and the full extent of this practice cannot be determined using existing data. Additional reporting requirements are needed...
Comparing continuous hemofiltration with hemodialysis in patients with severe acute renal failureR D Swartz
Division of Nephrology, University of Michigan Medical Center, Ann Arbor, MI, USA
Am J Kidney Dis 34:424-32. 1999....
DOPPS estimates of patient life years attributable to modifiable hemodialysis practices in the United StatesFriedrich K Port
University Renal Research and Education Association, Kidney Epidemiology and Cost Center, Ann Arbor, MI 48103, USA
Blood Purif 22:175-80. 2004..The magnitude of potential savings in life years should encourage greater adherence to guidelines and practices that are significantly associated with better survival...
Trends in organ donation and transplantation in the United States, 1996-2005F K Port
Scientific Registry of Transplant Recipients, Arbor Research Collaborative for Health, Ann Arbor, Michigan, USA
Am J Transplant 7:1319-26. 2007
Factors associated with "do not resuscitate" orders and rates of withdrawal from hemodialysis in the international DOPPSRachel B Fissell
Division of Nephrology, University of Michigan, and Department of Veterans Affairs Medical Center, Ann Arbor, Michigan 48105 2303, USA
Kidney Int 68:1282-8. 2005..Worldwide statistics on practice patterns regarding "do not resuscitate" (DNR) orders and patient withdrawal from hemodialysis have not been uniformly collected or analyzed...
Mortality risk for dialysis patients with different levels of serum calcium, phosphorus, and PTH: the Dialysis Outcomes and Practice Patterns Study (DOPPS)Francesca Tentori
Arbor Research Collaborative for Health, University of Michigan, Ann Arbor, MI 48103, USA
Am J Kidney Dis 52:519-30. 2008....
The impact of simultaneous pancreas-kidney transplantation on long-term patient survivalA O Ojo
Department of Medicine, University of Michigan, Ann Arbor 48109-0364, USA
Transplantation 71:82-90. 2001..CONCLUSIONS: Among patients with type 1 DM with end-stage nephropathy, SPK transplantation before the age of 50 years was associated with long-term improvement in survival compared to solitary cadaveric renal transplantation or dialysis...
Geographic variability in access to primary kidney transplantation in the United States, 1996-2005V B Ashby
University of Michigan, SRTR, Ann Arbor, Michigan, USA
Am J Transplant 7:1412-23. 2007..Six States demonstrated both high wait-listing and deceased donor transplantation rates while six others, plus D.C. and Puerto Rico, were below the national average for both parameters...
Body mass index and mortality in 'healthier' as compared with 'sicker' haemodialysis patients: results from the Dialysis Outcomes and Practice Patterns Study (DOPPS)S F Leavey
Division of Nephrology, University of Michigan and VAMC, Ann Arbor, USA
Nephrol Dial Transplant 16:2386-94. 2001..e. have better overall survival). We hypothesized that an increased mortality risk might be associated with high BMI in a variety of other 'healthier' subgroups of HD patients...
Donor characteristics associated with reduced graft survival: an approach to expanding the pool of kidney donorsFriedrich K Port
Scientific Registry of Transplant Recipients, University Renal Research and Education Association (URREA, Ann Arbor, MI 48103, USA
Transplantation 74:1281-6. 2002..CONCLUSION: By identifying donor factors associated with graft failure, these analyses may help to expand the number of transplanted kidneys by increasing the utilization of retrieved cadaveric kidneys...
Immunosuppression and the risk of post-transplant malignancy among cadaveric first kidney transplant recipientsRami T Bustami
Scientific Registry of Transplant Recipients University Renal Research and Education Association, Ann Arbor, MI, USA
Am J Transplant 4:87-93. 2004..024). These new estimates of the magnitude of malignancy risk associated with induction therapy may be useful for clinical practice...
Predictors of liver donation without kidney recovery in a cohort of expanded criteria donors: identifying opportunities to improve expanded criteria donor kidney utilizationS L White
Department of Internal Medicine, Division of Nephrology, University of Michigan, Ann Arbor, MI 48109 2029, USA
Transplant Proc 44:2223-6. 2012..It is likely that at least a proportion of these liver-alone donors represent missed opportunities for kidney transplantation...
Use of ACE inhibitors is associated with prolonged survival of arteriovenous graftsR Gradzki
Division of Nephrology, University of Michigan Medical Center, Ann Arbor, MI, USA
Am J Kidney Dis 38:1240-4. 2001..These results suggest that ACE inhibitors offer clinical promise in the prevention of PTFE graft failure. A prospective randomized trial is warranted to confirm the benefit of ACE inhibitors...
Reuse of dialyzers and clinical outcomes: fact or fictionL Y Agodoa
United States Renal Data System, Division of Kidney, Urologic and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892 6600, USA
Am J Kidney Dis 32:S88-92. 1998..Approximately 15% of the units each year switch the type of sterilant...
Cross-sectional and longitudinal predictors of serum albumin in hemodialysis patientsS F Leavey
The United States Renal Data System, Bethesda, Maryland, USA
Kidney Int 58:2119-28. 2000..Lower serum albumin concentrations predict increased mortality in hemodialysis (HD) patients. Many demographic, comorbidity, and modifiable treatment-related factors that predict HD patient outcomes may be associated with serum albumin...
Chronic renal failure after transplantation of a nonrenal organAkinlolu O Ojo
Scientific Registry of Transplant Recipients, Department of Medicine, University of Michigan, Ann Arbor 48109 0364, USA
N Engl J Med 349:931-40. 2003..We conducted a population-based cohort analysis to evaluate the incidence of chronic renal failure, risk factors for it, and the associated hazard of death in recipients of nonrenal transplants...
Effect of body mass index on the survival benefit of liver transplantationShawn J Pelletier
Division of Transplantation, Department of Surgery, University of Michigan, Ann Arbor, MI 48109 0331, USA
Liver Transpl 13:1678-83. 2007..0001) survival benefit, including morbidly obese and underweight recipients. Our results suggest that high or low recipient BMI should not be a contraindication for LT...
Anemia management and outcomes from 12 countries in the Dialysis Outcomes and Practice Patterns Study (DOPPS)Ronald L Pisoni
University Renal Research and Education Association, Ann Arbor, MI, USA
Am J Kidney Dis 44:94-111. 2004..Anemia is common in hemodialysis (HD) patients...
International variation in vitamin prescription and association with mortality in the Dialysis Outcomes and Practice Patterns Study (DOPPS)Rachel B Fissell
Division of Nephrology, University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 44:293-9. 2004..The present study investigates patterns of water-soluble vitamin use among HD patients in the Dialysis Outcomes and Practice Patterns Study (DOPPS) I and evaluates outcomes associated with vitamin use...
Impact of the expanded criteria donor allocation system on the use of expanded criteria donor kidneysRandall S Sung
Scientific Registry of Transplant Recipients, Division of Transplantation, Department of Surgery, University of Michigan Health System, Taubman Center, Ann Arbor, MI 48109 0331, USA
Transplantation 79:1257-61. 2005..5 mg/dL, history of hypertension, or death by cerebrovascular accident. The impact of this policy on use of ECD kidneys is assessed...
Quality of life in chronic kidney disease (CKD): a cross-sectional analysis in the Renal Research Institute-CKD studyRachel L Perlman
Internal Medicine, University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 45:658-66. 2005..GFR was not significantly associated with QOL. Hemoglobin level predicted both physical and mental domains of the SF-36. Longitudinal studies are needed to define at-risk periods for decreases in QOL during progression of CKD...
Hepatitis C is a risk factor for death after liver retransplantationShawn J Pelletier
Department of Surgery, Division of Transplantation, University of Michigan, Ann Arbor, MI, USA
Liver Transpl 11:434-40. 2005..Although HCV was predictive of an increased risk of death, consideration of other characteristics of HCV patients, including donor and recipient age and need for preoperative ICU care may identify those at significantly higher risk...
Hospitalization patterns before and after liver transplantationDouglas E Schaubel
Department of Biostatistics, Ann Arbor, MI 48109 2029, USA
Transplantation 84:1590-4. 2007..However, decreases in mortality may not be accompanied by decreases in morbidity metrics, such as hospitalization rates. We compared pre- and posttransplant hospitalization rates for liver transplant recipients...
The survival benefit of liver transplantationRobert M Merion
Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
Am J Transplant 5:307-13. 2005..With 1 year post-transplant follow-up, patients at lower risk of pre-transplant death do not have a demonstrable survival benefit from liver transplant...
Improvements in dialysis patient mortality are associated with improvements in urea reduction ratio and hematocrit, 1999 to 2002Robert A Wolfe
Department of Biostatistics, University of Michigan, Ann Arbor, MI 48103, USA
Am J Kidney Dis 45:127-35. 2005..We studied changes in achieving K/DOQI guidelines at the facility level to determine whether those changes are associated with corresponding changes in mortality...
Impact of immunosuppressive regimen on survival of kidney transplant recipients with hepatitis CFu L Luan
Division of Nephrology, Department of Medicine, University of Michigan Health System, Ann Arbor, MI, USA
Transplantation 85:1601-6. 2008..HCV-positive kidney transplant recipients have worse clinical outcomes than those who are HCV negative. The optimal immunosuppressive regimen in this group of patients remains uncertain...
The survival advantage for haemodialysis patients taking vitamin D is questioned: findings from the Dialysis Outcomes and Practice Patterns StudyFrancesca Tentori
Department of Internal Medicine, Arbor Research Collaborative for Health, University of Michigan Health System, Ann Arbor, MI 48103, USA
Nephrol Dial Transplant 24:963-72. 2009....
Patterns of hepatitis B prevalence and seroconversion in hemodialysis units from three continents: the DOPPSRachel A Burdick
Division of Nephrology, University of Michigan, Ann Arbor, Michigan, USA
Kidney Int 63:2222-9. 2003..This study estimates HBV prevalence and seroconversion rates across seven countries and investigates associations with facility level practice patterns...
Lack of correlation between facility-based standardized rates of transplantation and mortalityChike Nathan Okechukwu
Department of Internal Medicine, Kidney Epidemiology and Cost Center, University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 40:381-4. 2002..We conclude that reported standardized rates for transplantation do not correlate with those reported for mortality by dialysis facilities...
Nonadherence in hemodialysis: associations with mortality, hospitalization, and practice patterns in the DOPPSRajiv Saran
Division of Nephrology, University of Michigan, Ann Arbor, Michigan, USA
Kidney Int 64:254-62. 2003..The Dialysis Outcomes and Practice Patterns Study (DOPPS) provides a unique opportunity to review this problem and its determinants on a global level...
Renal transplantation in elderly patients older than 70 years of age: results from the Scientific Registry of Transplant RecipientsPanduranga S Rao
Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109 0331, USA
Transplantation 83:1069-74. 2007..The outcomes of elderly patients who receive a kidney transplant have not been well studied compared with those of their peers on the waiting list...
A comprehensive risk quantification score for deceased donor kidneys: the kidney donor risk indexPanduranga S Rao
Department of Medicine, University of Michigan HealthSystem, Ann Arbor, MI 48109 0725, USA
Transplantation 88:231-6. 2009..We propose a continuous kidney donor risk index (KDRI) for deceased donor kidneys, combining donor and transplant variables to quantify graft failure risk...
Deceased-donor characteristics and the survival benefit of kidney transplantationRobert M Merion
Department of Surgery, University of Michigan Health System, Ann Arbor 48109 0331, USA
JAMA 294:2726-33. 2005..However, if ECD transplants offer improved overall patient survival, inferior graft outcome may represent an acceptable trade-off...
Survival on dialysis post-kidney transplant failure: results from the Scientific Registry of Transplant RecipientsPanduranga S Rao
Department of Internal Medicine, Division of Nephrology, University of Michigan, Ann Arbor, MI 48103, USA
Am J Kidney Dis 49:294-300. 2007..It is not clear whether mortality increases among patients with graft failure relative to those on the waiting list who have not yet received a kidney transplant...
A sequential stratification method for estimating the effect of a time-dependent experimental treatment in observational studiesDouglas E Schaubel
Department of Biostatistics, University of Michigan, Ann Arbor, Michigan 48109 2029, USA
Biometrics 62:910-7. 2006..Compared to the time-dependent analysis, the proposed method more accurately characterizes the data structure and yields a more direct estimate of the relative outcome with an ECD transplant...
Prevalence and outcomes of multiple-listing for cadaveric kidney and liver transplantationRobert M Merion
Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan, USA
Am J Transplant 4:94-100. 2004..Although specific factors characterize those transplant candidates likely to multiple-list, transplant access is significantly enhanced for almost all multiple-listed kidney and liver candidates...
Impact of the expanded criteria donor allocation system on candidates for and recipients of expanded criteria donor kidneysRandall S Sung
Scientific Registry of Transplant Recipients, Division of Transplantation, Department of Surgery, University of Michigan Health System, Ann Arbor, MI 48109 0331, USA
Transplantation 84:1138-44. 2007..A national policy to allocate kidneys from expanded criteria donors (ECD) took effect October 31, 2002...
Estimating the impact of renal replacement therapy choice on outcome in severe acute renal failureR D Swartz
Department of Internal Medicine, Division of Nephrology, University of Michigan Health System, Ann Arbor, MI 48109 0364, USA
Clin Nephrol 63:335-45. 2005..To date, no prospective controlled trial has sufficiently answered this question, and the present prospective outcome study attempts to compare survival with CRRT versus that with IHD...
Association of elevated serum PO(4), Ca x PO(4) product, and parathyroid hormone with cardiac mortality risk in chronic hemodialysis patientsS K Ganesh
Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48103, USA
J Am Soc Nephrol 12:2131-8. 2001..More vigorous measures to reduce the prevalence of these factors in HD patients may result in improved survival...
Mortality risk in hemodialysis patients and changes in nutritional indicators: DOPPSTrinh B Pifer
University Renal Research and Education Association, Department of Medicine, Veterans Affairs Medical Center, and Division of Nephrology, University of Michigan, Ann Arbor, Michigan, USA
Kidney Int 62:2238-45. 2002....
The Dialysis Outcomes and Practice Patterns Study (DOPPS) and the Kidney Disease Outcomes Quality Initiative (K/DOQI): a cooperative initiative to improve outcomes for hemodialysis patients worldwideFriedrich K Port
University Renal Research and Education Association, Ann Arbor, MI 48103, USA
Am J Kidney Dis 44:1-6. 2004..This will establish an essential component in the translation to clinical practice of evidence-based guidelines worldwide...
Mortality differences by dialysis modality among incident ESRD patients with and without coronary artery diseaseSanthi K Ganesh
Department of Internal Medicine, Division of Nephrology, University of Michigan, Ann Arbor, Michigan, USA
J Am Soc Nephrol 14:415-24. 2003..Whether differences in solute clearance and/or cardiac risk profiles between PD and HD may explain these findings deserves further investigation...
Vascular access use and outcomes in the U.S., Europe, and Japan: results from the Dialysis Outcomes and Practice Patterns StudyRonald L Pisoni
University Renal Research and Education Association (URREA, Ann Arbor, Mich, USA
Nephrol News Issues 17:38-43, 47. 2003
High dialysis dose is associated with lower mortality among women but not among menFriedrich K Port
University Renal Research and Education Association, Ann Arbor, MI 48103, USA
Am J Kidney Dis 43:1014-23. 2004..The present study evaluates, with observational data, the secondary randomized Hemodialysis (HEMO) Study finding that greater dialysis dose may benefit women, but not men...
Rosiglitazone is associated with mortality in chronic hemodialysis patientsSylvia P B Ramirez
Arbor Research Collaborative for Health, 315 W Huron, Ann Arbor, MI 48103, USA
J Am Soc Nephrol 20:1094-101. 2009..Our practice-based findings suggest significant associations of rosiglitazone use with higher cardiovascular and all-cause mortality among hemodialysis patients with diabetes...
Longer treatment time and slower ultrafiltration in hemodialysis: associations with reduced mortality in the DOPPSR Saran
Division of Nephrology and Kidney Epidemiology and Cost Center, University of Michigan, Ann Arbor, Michigan 48103 4262, USA
Kidney Int 69:1222-8. 2006..Rapid UFR during HD was also associated with higher mortality risk. These results warrant a randomized clinical trial of longer dialysis sessions in thrice-weekly HD...
Mortality experience in recipients undergoing repeat transplantation with expanded criteria donor and non-ECD deceased-donor kidneysC D Miles
Department of Medicine, University of Michigan, Ann Arbor, MI, USA
Am J Transplant 7:1140-7. 2007..44; p<0.0001). Based on these national data, recipients of ECD retransplantation do not have a survival advantage relative to conventional therapy, whereas non-ECD retransplantation is associated with a significant survival advantage...
Organ donation and transplantation trends in the USA, 2003Friedrich K Port
Scientific Registry of Transplant Recipients/University Renal Research and Education Association, Ann Arbor, MI, USA
Am J Transplant 4:7-12. 2004
Impact of years of dialysis therapy on mortality risk and the characteristics of longer term dialysis survivorsChike Nathan Okechukwu
Department of Internal Medicine, Epidemiology, and Cost Center, University of Michigan, Ann Arbor, MI, USA
Am J Kidney Dis 39:533-8. 2002..We conclude that adjusted mortality risk does not decrease with years on dialysis therapy, and modifiable factors deserve greater attention to improve survival among patients with ESRD with and without diabetes treated by hemodialysis...
Sleep quality predicts quality of life and mortality risk in haemodialysis patients: results from the Dialysis Outcomes and Practice Patterns Study (DOPPS)Stacey J Elder
Arbor Research Collaborative for Health, Ann Arbor, MI, USA
Nephrol Dial Transplant 23:998-1004. 2008..Poor sleep quality (SQ) affects many haemodialysis (HD) patients and could potentially predict their morbidity, mortality, quality of life (QOL) and patterns of medication use...
High alkaline phosphatase levels in hemodialysis patients are associated with higher risk of hospitalization and deathMargaret J Blayney
Arbor Research Collaborative for Health, Ann Arbor, Michigan, USA
Kidney Int 74:655-63. 2008..Our results also show that elevated serum normalized alkaline phosphatase was associated with higher risks of hospitalization and death in hemodialysis patients, independent of calcium, phosphorus, and parathyroid hormone levels...
Organ donation and transplantation trends in the United States, 2001Friedrich K Port
Scientific Registry of Transplant Recipients (SRTR)/University Renal Research and Education Association (URREA, Ann Arbor, MI, USA
Am J Transplant 3:7-12. 2003
Dose of dialysis: key lessons from major observational studies and clinical trialsRajiv Saran
University of Michigan, Kidney Epidemiology and Cost Center, Ann Arbor, MI 48103, USA
Am J Kidney Dis 44:47-53. 2004....
Recent trends and results for organ donation and transplantation in the United States, 2005F K Port
Scientific Registry of Transplant Recipients, University Renal Research and Education Association, Ann Arbor, MI, USA
Am J Transplant 6:1095-100. 2006
Hemodialysis vascular access training and practices are key to improved access outcomesDavid A Goodkin
Arbor Research Collaborative for Health, Ann Arbor, MI, USA
Am J Kidney Dis 56:1032-42. 2010..It is imperative that dialysis clinicians advocate actively for specific dialysis access types on behalf of individual patients. Vascular surgery teaching programs must supervise adequate numbers of fistula procedures for every trainee...
Facility hemodialysis vascular access use and mortality in countries participating in DOPPS: an instrumental variable analysisRonald L Pisoni
Arbor Research Collaborative for Health, Ann Arbor, MI 48103, USA
Am J Kidney Dis 53:475-91. 2009....
Improving outcomes for dialysis patients in the international Dialysis Outcomes and Practice Patterns StudyFriedrich K Port
University Renal Research and Education Association, 315 W Huron Street, Suite 360, Ann Arbor, MI 48103, USA
Clin J Am Soc Nephrol 1:246-55. 2006..The international perspective of DOPPS assists in the new efforts for international guidelines. Some encouraging trends in recent years are documented in these areas...
Random sample (DOPPS) versus census-based (registry) approaches to kidney disease researchFriedrich K Port
University of Renal Research and Education Association URREA, Ann Arbor, Mich, USA
Blood Purif 21:85-8. 2003....
Gender imbalance and outcomes in living donor renal transplantation in the United StatesLiise K Kayler
Department of Surgery, University of Michigan, Ann Arbor, MI, USA
Am J Transplant 3:452-8. 2003..There appears to be a graft survival advantage for male recipients of male donor kidneys...
Trends and results for organ donation and transplantation in the United States, 2004Friedrich K Port
Scientific Registry of Transplant Recipients, University Renal Research and Education Association, Ann Arbor, MI, USA
Am J Transplant 5:843-9. 2005
Pruritus in haemodialysis patients: International results from the Dialysis Outcomes and Practice Patterns Study (DOPPS)Ronald L Pisoni
Arbor Research Collaborative for Health, Ann Arbor, MI, USA
Nephrol Dial Transplant 21:3495-505. 2006..In this study, pruritus and its relationship to morbidity, mortality, quality of life (QoL), sleep quality and patient laboratory measures were analysed in >300 dialysis units in 12 countries...
Predictors and consequences of altered mineral metabolism: the Dialysis Outcomes and Practice Patterns StudyEric W Young
Department of Veterans Affairs Medical Center, and Division of Nephrology, University of Michigan, Ann Arbor, Michigan, USA
Kidney Int 67:1179-87. 2005..Altered mineral metabolism contributes to bone disease, cardiovascular disease, and other clinical problems in patients with end-stage renal disease...
Influence of graft type on outcomes after pediatric liver transplantationJohn P Roberts
Department of Surgery, University of California San Francisco, San Francisco, CA, USA
Am J Transplant 4:373-7. 2004..Living donor is the preferred donor source in the most common pediatric age group (< 2 years) undergoing liver transplantation...
Effect of changing the priority for HLA matching on the rates and outcomes of kidney transplantation in minority groupsJohn P Roberts
University of California at San Francisco, San Francisco, CA 94143 0780, USA
N Engl J Med 350:545-51. 2004..We hypothesized that changing this allocation policy would affect graft survival and the racial balance among transplant recipients...
Reverse epidemiology: a confusing, confounding, and inaccurate termNathan W Levin
Renal Research Institute, New York, New York, USA
Semin Dial 20:586-92. 2007....
Mortality and hospitalization in haemodialysis patients in five European countries: results from the Dialysis Outcomes and Practice Patterns Study (DOPPS)Hugh C Rayner
Department of Renal Medicine, Birmingham Heartlands Hospital, Birmingham, UK
Nephrol Dial Transplant 19:108-20. 2004..CONCLUSIONS: The large differences in haemodialysis practice and outcomes in the Euro-DOPPS countries suggest opportunities for improvement in patient care...
Travel time to dialysis as a predictor of health-related quality of life, adherence, and mortality: the Dialysis Outcomes and Practice Patterns Study (DOPPS)Louise M Moist
Division of Nephrology, London Health Sciences Center and Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
Am J Kidney Dis 51:641-50. 2008..This study evaluated the effect of self-reported 1-way travel time to hemodialysis on mortality, health-related quality of life (HR-QOL), adherence, withdrawal from dialysis therapy, hospitalization, and transplantation...
Consistent aspirin use associated with improved arteriovenous fistula survival among incident hemodialysis patients in the dialysis outcomes and practice patterns studyTakeshi Hasegawa
Division of Nephrology, Fujiyoshida Municipal Hospital, Yamanashi, Japan
Clin J Am Soc Nephrol 3:1373-8. 2008..The relationship between aspirin use and arteriovenous fistula (AVF) survival has been lacking. The aim of this study was to evaluate the association between AVF survival and aspirin use...
Meeting the challenge to improve the treatment of hypertension in blacksAntonio Alberto Lopes
Department of Medicine, Federal University of Bahia, Brazil
J Clin Hypertens (Greenwich) 5:393-401. 2003..Studies to evaluate the effects of the new antihypertensives in improving outcomes in blacks living outside the United States are needed...
Anaemia in haemodialysis patients of five European countries: association with morbidity and mortality in the Dialysis Outcomes and Practice Patterns Study (DOPPS)Francesco Locatelli
Department of Nephrology and Dialysis, A. Manzoni Hospital, Lecco, Italy
Nephrol Dial Transplant 19:121-32. 2004....
Haemodialysis prescription, adherence and nutritional indicators in five European countries: results from the Dialysis Outcomes and Practice Patterns Study (DOPPS)Erwin Hecking
Clinic for Nephrology, Hypertension and Dialysis, Augusta-Kranken-Anstalt, Ruhr University, Bochum, Germany
Nephrol Dial Transplant 19:100-7. 2004..Correlation of differences in practice patterns at the dialysis unit level with patient outcomes will offer new insights into improving dialysis therapy...
Association of comorbid conditions and mortality in hemodialysis patients in Europe, Japan, and the United States: the Dialysis Outcomes and Practice Patterns Study (DOPPS)David A Goodkin
Amgen Inc, Thousand Oaks, California, USA
J Am Soc Nephrol 14:3270-7. 2003..Adjustments for the observed variability will allow study of association between practice patterns and outcomes...
Health-related quality of life among dialysis patients on three continents: the Dialysis Outcomes and Practice Patterns StudyShunichi Fukuhara
Kyoto University Graduate School of Medicine and Public Health, Kyoto, Japan
Kidney Int 64:1903-10. 2003..Our goal was to document international differences in HRQOL among dialysis patients and to identify possible explanations of those differences...
Health-related quality of life as a predictor of mortality and hospitalization: the Dialysis Outcomes and Practice Patterns Study (DOPPS)Donna L Mapes
Amgen, Inc, Thousand Oaks, California, USA
Kidney Int 64:339-49. 2003..More research is needed to assess whether interventions to improve quality of life lower these risks among hemodialysis patients...
Association of predialysis serum bicarbonate levels with risk of mortality and hospitalization in the Dialysis Outcomes and Practice Patterns Study (DOPPS)Jürgen Bommer
Medizinische Universitatsklinik, Heidelberg, Germany
Am J Kidney Dis 44:661-71. 2004....
Screening for depression in hemodialysis patients: associations with diagnosis, treatment, and outcomes in the DOPPSAntonio Alberto Lopes
Department of Medicine, Federal University of Bahia, Brazil
Kidney Int 66:2047-53. 2004..CES-D can help identify hemodialysis patients who are at higher risk of death and hospitalization. Interventions should target these patients with the goal to improve survival and reduce hospitalizations...
Peripheral arterial disease in patients with end-stage renal disease: observations from the Dialysis Outcomes and Practice Patterns Study (DOPPS)Sanjay Rajagopalan
Division of Cardiovascular Medicine, 473 W 12th Ave, Ohio State University, Columbus, OH 43202, USA
Circulation 114:1914-22. 2006..The aims of the present study were to describe the prevalence of peripheral arterial disease (PAD) and its effects on prognosis and health-related quality of life (HRQOL) in an international cohort of patients on hemodialysis...
International differences in dialysis mortality reflect background general population atherosclerotic cardiovascular mortalityMaki Yoshino
Renal Research Institute, 207 East 94th Street, Suite 303, New York, NY 10128, USA
J Am Soc Nephrol 17:3510-9. 2006..Genetic and environmental factors may underlie these differences...
