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2.
Hemodial Int ; 8(1): 61-9, 2004 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-19379403

RESUMO

BACKGROUND: Lynchburg Nephrology Dialysis Incorporated initiated a nightly home hemodialysis (NHHD) program in September 1997. As of April 30, 2003, 40 patients had completed training; 28 patients were at home and 2 patients were in training. The average age of the patients at the initiation of the home-based therapy was 50 years, with a range of 23 to 81 years. There have been 24,239 treatments at home with a total of 84.86 patient-years on NHHD, the longest patient for 66.7 months and the shortest for 1 month. METHODS: Patients dialyzed using the Fresenius 2008H machine, 6 to 10 hr, 5 to 6 nights per week. Treatment parameters included a blood flow rate of 200 to 250 mL/min; a dialysis flow rate of 200 to 300 mL/min; and a standard dialysis solution with 2.0 mEq/L potassium, 3.0 to 3.5 mEq/L calcium concentrations, 35 mEq/L HCO(3), and 140 mEq/L sodium. The longitudinal data of each patient in the program for 1, 2, 3, 4, and 5 years were compared to the same patient's pre-NHHD data. There were 25 patients in the program for 1 year, 19 patients for 2 years, 14 patients for 3 years, 6 patients for 4 years, and 4 patients for 5 years. RESULTS: Statistically significant improvement occurred in all five groups' need for antihypertensive medications and phosphate binders, SF36 scores, calcium/phosphorus product, blood pressure, number of hospital admissions, and number of days of stay in the hospital. The mortality rate was 2.4% deaths per patient-year with a 95% confidence interval of 0.9% to 9.4%. CONCLUSIONS: In a longitudinal study, NHHD showed significant improvements in patient secondary outcomes. The improvement in these secondary outcomes was associated with an improvement in mortality rate.

4.
Clin J Am Soc Nephrol ; 7(4): 632-9, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22300740

RESUMO

BACKGROUND AND OBJECTIVES: Achievement of mineral targets in patients receiving dialysis remains challenging. This study sought to evaluate outcomes for phosphorus, calcium, and parathyroid hormone when a dialysis population was switched from a predominantly active vitamin D analogue treatment regimen to a computerized algorithm incorporating both cinacalcet and active vitamin D as potential first-line therapies. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: This longitudinal prospective trial enrolled 92 patients undergoing maintenance hemodialysis. Baseline measures (the average of the 3 months before computerized algorithm implementation) were compared with the proportion of patients achieving the prespecified targets at 6 and 12 months. RESULTS: After 6 months there was a statistically significant improvement in the percentage of patients achieving the primary and secondary phosphorus targets (primary: phosphorus ≤ 5.5 mg/dl, increase from 41% to 75%, P<0.001; secondary: phosphorus 3.0-4.6 mg/dl, increase from 16% to 38%; P=0.005). These improvements were sustained at 12 months. There was a statistically significant improvement in the percentage of patients achieving all three prespecified secondary endpoints (an increase from 12.8% to 25.6% at 12 months; P=0.04); however, this was mainly driven by improved phosphorus control. The proportion of patients achieving the primary or secondary parathyroid hormone targets did not improve. CONCLUSIONS: A greater proportion of dialysis patients achieved improved phosphorus but not parathyroid hormone control by switching from a predominantly active vitamin D analogue-based treatment regimen for mineral and bone disorder to a computer-driven algorithm that incorporated cinacalcet and low-dose active vitamin D analogues as first-line therapy.


Assuntos
Algoritmos , Calcimiméticos/administração & dosagem , Quimioterapia Assistida por Computador , Falência Renal Crônica/terapia , Doenças Metabólicas/tratamento farmacológico , Naftalenos/administração & dosagem , Diálise Renal , Vitamina D/administração & dosagem , Vitaminas/administração & dosagem , Idoso , Biomarcadores/sangue , Cálcio/sangue , Cinacalcete , Substituição de Medicamentos , Feminino , Humanos , Falência Renal Crônica/sangue , Falência Renal Crônica/complicações , Estudos Longitudinais , Masculino , Doenças Metabólicas/sangue , Doenças Metabólicas/etiologia , Pessoa de Meia-Idade , Hormônio Paratireóideo/sangue , Fósforo/sangue , Estudos Prospectivos , Diálise Renal/efeitos adversos , Fatores de Tempo , Resultado do Tratamento
7.
Home Hemodial Int ; 3(1): 23-28, 1999 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28455856

RESUMO

What constitutes adequate dialysis has been debated in the nephrology literature over the past eight years. The mortality rate of patients on dialysis in the United States is about 20% per year. We believed that short and infrequent dialysis sessions contributed to poor outcomes. To improve the results, Lynchburg Nephrology started the nightly home hemodialysis (NHHD) program in September 1997. Ten patients were trained in the first 15 months of the program. Patients dialyzed 7 - 9 hours, 6 nights/week, using the Fresenius 2008H machine. A standard dialysis solution with 2.0 mEq/L potassium, calcium concentration of 3.0 - 3.5 mEq/L was used. Dialysis solution flow rates were 200 - 300 mL/min. Serum phosphate levels were maintained above 2.5 mg/dL by adding 0 - 45 mL Fleet's Phosphosoda to the bicarbonate bath. Patients had marked improvement in quality of life as measured with the SF-36. Blood pressure was better controlled with fewer medications. All phosphate binders were eliminated. Caloric intake and protein intake increased to normal levels as measured by three-day dietary histories pre-NHHD, and at 3, 6, and 12 months on NHHD. Epoetin alfa dosages were reduced by about 50%. Nightly home hemodialysis should be considered as a valuable modality option for end-stage renal disease patients; it is potentially superior to conventional thrice-weekly hemodialysis.

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