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Liu J, Ye Z, Xiang J, Wang Q, Zhao W, Qin W, Rao J, Chen Y, Hu Z, Peng H. Association of muscle mass and radiodensity assessed by chest CT with all-cause and cardiovascular mortality in hemodialysis patients. Int Urol Nephrol 2024:10.1007/s11255-024-04113-6. [PMID: 38865001 DOI: 10.1007/s11255-024-04113-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 06/05/2024] [Indexed: 06/13/2024]
Abstract
PURPOSE This study investigates the prognostic value of skeletal muscle index (SMI) and skeletal muscle radiodensity (SMD) measured by chest CT in relation to all-cause and cardiovascular disease (CVD) mortality among hemodialysis (HD) patients. METHODS A retrospective study was conducted from January 2015 to December 2021 involving HD patients at a dialysis center. Chest CT scans at the twelfth thoracic vertebra level (T12) were analyzed to assess SMI and SMD. Sex-specific cut-off values for two metrics were determined using maximally selected rank statistics. Hazard ratios (HRs) were calculated to evaluate the associations of SMI and SMD with mortality. The discrimination of prognostic models was also compared. RESULTS The study included 603 patients with a median age of 58 years. Of these, 187 (31.0%) patients with SMI < 30.00 cm2/m2 (male) or < 25.04 cm2/m2 (female) and 192 (31.8%) patients with SMD < 32.25 HU (male) or < 30.64 HU (female) were categorized as lower SMI and SMD, respectively. Over a median follow-up of 3.8 years, 144 deaths occurred. Multivariate Cox regression analysis showed that lower SMI and SMD were independently associated with all-cause mortality (SMI: HR = 1.47, 95% CI 1.03-2.10; SMD: HR = 1.75, 95% CI 1.20-2.54) and CVD mortality (SMI: HR = 1.74, 95% CI 1.03-2.94; SMD: HR = 1.72, 95% CI 1.02-2.95). Adding SMI and SMD to the established risk model improved the C-index from 0.82 to 0.87 (P < 0.001). Decision curve analysis showed that the prognostic model incorporating both SMI and SMD offered the highest net benefit for predicting all-cause mortality. CONCLUSIONS Muscle metrics derived from CT scans at T12 level provide valuable prognostic information which could enhance the role of chest CT in muscle assessment among HD patients.
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Affiliation(s)
- Jianqiang Liu
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Zengchun Ye
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Juncheng Xiang
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Qian Wang
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Wenbo Zhao
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Weixuan Qin
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Jialing Rao
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Yanru Chen
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China
| | - Zhaoyong Hu
- Division of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Hui Peng
- Division of Nephrology, Department of Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, 600 Tianhe Ave., Guangzhou, 510630, China.
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López-Cisneros S, Ramos-Acevedo S, Reyes-Ramírez LM, Rodríguez-Gómez L, Serralde-Zúñiga AE, González-Ortiz A, Espinosa-Cuevas Á. Does intradialytic oral nutrition impact hemodialysis patients' quality of Life, appetite, and safety? A pilot study of a crossover clinical trial. NUTR HOSP 2024. [PMID: 38450518 DOI: 10.20960/nh.04703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024] Open
Abstract
INTRODUCTION due to the catabolic characteristics of hemodialysis (HD), patients should consume foods or supplements during this treatment to meet their energy requirements and maintain a neutral nitrogen balance; however, there are some outcomes in which the effect of intradialytic oral nutrition (ION) is scarcely known. OBJECTIVES this study aims to evaluate the effect of two types of ION (liquid and solid) on QoL, appetite, and safety in HD patients. METHODS a pilot randomized, crossover clinical trial was performed in 18 patients on chronic HD. One group received ION for 18 HD sessions, after the crossover continued for 18 more sessions in the control group, and vice versa. We recorded QoL, appetite, systolic blood pressure (SBP), and intradialytic hypotension (IH) events. RESULTS clinical improvement was observed for most QoL components. Regardless of the consistency of supplementation, SBP increased to 4.10 mmHg. Both study groups reported a "very good-to-good" appetite. CONCLUSION favorable clinical changes were observed in QoL scores during the study. Five of six IH events were reported for patients in the ION group, and SBP increased within the safe range (≤ 10 mmHg); appetite remained stable in both groups. Therefore, we concluded that this strategy, regardless of implementation consistency, is safe to be used in stable patients.
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Affiliation(s)
| | - Samuel Ramos-Acevedo
- Nephrology and Mineral Metabolism Department. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
| | | | - Luis Rodríguez-Gómez
- Nephrology and Mineral Metabolism Department. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
| | - Aurora E Serralde-Zúñiga
- Clinical Nephrology Department. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
| | | | - Ángeles Espinosa-Cuevas
- Nephrology and Mineral Metabolism Department. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
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de Geus M, Dam M, Visser WJ, Ipema KJR, de Mik-van Egmond AME, Tieland M, Weijs PJM, Kruizenga HM. The Impact of Combined Nutrition and Exercise Interventions in Patients with Chronic Kidney Disease. Nutrients 2024; 16:406. [PMID: 38337689 PMCID: PMC10857632 DOI: 10.3390/nu16030406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/19/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
Combined nutrition and exercise interventions potentially improve protein-energy wasting/malnutrition-related outcomes in patients with chronic kidney disease (CKD). The aim was to systematically review the effect of combined interventions on nutritional status, muscle strength, physical performance and QoL. MEDLINE, Cochrane, Embase, Web of Science and Google Scholar were searched for studies up to the date of July 2023. Methodological quality was appraised with the Cochrane risk-of-bias tool. Ten randomized controlled trials (nine publications) were included (334 patients). No differences were observed in body mass index, lean body mass or leg strength. An improvement was found in the six-minute walk test (6-MWT) (n = 3, MD 27.2, 95%CI [7 to 48], p = 0.008), but not in the timed up-and-go test. No effect was found on QoL. A positive impact on 6-MWT was observed, but no improvements were detected in nutritional status, muscle strength or QoL. Concerns about reliability and generalizability arise due to limited statistical power and study heterogeneity of the studies included.
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Affiliation(s)
- Manon de Geus
- Department of Internal Medicine, Division of Dietetics, Erasmus MC, University Medical Center, 3015 GD Rotterdam, The Netherlands; (W.J.V.); (A.M.E.d.M.-v.E.)
- Center of Expertise Urban Vitality, Faculty of Sports and Nutrition, Amsterdam University of Applied Sciences, 1067 SM Amsterdam, The Netherlands; (M.T.); (P.J.M.W.); (H.M.K.)
| | - Manouk Dam
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Nutrition and Dietetics, Amsterdam Cardiovascular Sciences, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Wesley J. Visser
- Department of Internal Medicine, Division of Dietetics, Erasmus MC, University Medical Center, 3015 GD Rotterdam, The Netherlands; (W.J.V.); (A.M.E.d.M.-v.E.)
| | - Karin J. R. Ipema
- Department of Dietetics, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Anneke M. E. de Mik-van Egmond
- Department of Internal Medicine, Division of Dietetics, Erasmus MC, University Medical Center, 3015 GD Rotterdam, The Netherlands; (W.J.V.); (A.M.E.d.M.-v.E.)
| | - Michael Tieland
- Center of Expertise Urban Vitality, Faculty of Sports and Nutrition, Amsterdam University of Applied Sciences, 1067 SM Amsterdam, The Netherlands; (M.T.); (P.J.M.W.); (H.M.K.)
| | - Peter J. M. Weijs
- Center of Expertise Urban Vitality, Faculty of Sports and Nutrition, Amsterdam University of Applied Sciences, 1067 SM Amsterdam, The Netherlands; (M.T.); (P.J.M.W.); (H.M.K.)
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Nutrition and Dietetics, Amsterdam Cardiovascular Sciences, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Amsterdam Public Health, Aging and Later Life, 1081 HV Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Ageing and Vitality, 1081 HZ Amsterdam, The Netherlands
| | - Hinke M. Kruizenga
- Center of Expertise Urban Vitality, Faculty of Sports and Nutrition, Amsterdam University of Applied Sciences, 1067 SM Amsterdam, The Netherlands; (M.T.); (P.J.M.W.); (H.M.K.)
- Amsterdam UMC, Location Vrije Universiteit Amsterdam, Nutrition and Dietetics, Amsterdam Cardiovascular Sciences, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
- Amsterdam Public Health, Aging and Later Life, 1081 HV Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Ageing and Vitality, 1081 HZ Amsterdam, The Netherlands
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López-Cisneros S, Ramos-Acevedo S, González-Ortiz A, González-Garay AG, Serralde-Zúñiga AE, Espinosa-Cuevas Á. Is intradialytic oral nutritional supplementation safe and effective on clinical outcomes? A systematic review with conventional meta-analysis and network meta-analysis. Clin Nutr ESPEN 2023; 58:301-310. [PMID: 38057020 DOI: 10.1016/j.clnesp.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 09/13/2023] [Accepted: 10/09/2023] [Indexed: 12/08/2023]
Abstract
AIM determine the effect of intradialytic oral nutrition (ION) on clinical and safety outcomes. DESIGN Systematic Review with conventional Meta-analysis, and a Network Meta-analysis (NMA) as sensitivity analysis. We searched on MEDLINE, LILACS, CENTRAL, and EMBASE in June 2020, and the last update was until August 2022. We selected observational and randomized controlled trials with ION for at least four weeks. Primary outcomes were all-cause mortality and quality of life (QoL); adverse events, physical performance, and appetite were secondary outcomes. RESULTS Seven clinical trials and three observational studies were selected. Even when we did not obtain significant differences in physical performance and gastrointestinal symptoms, we identified a clinical improvement in the QoL's physical role, bodily pain, and physical performance domains. After pooling the data on mortality, a protection rate trend was observed in the ION group without statistical significance. The home-prepared ION was the best nutritional supplementation when assessing the appetite outcome through NMA. CONCLUSIONS ION seems to have a protective trend in mortality risk; the current evidence is insufficient to establish a relationship with adverse events or other clinical outcomes. The lack of homogeneity in the trials makes it difficult to generalize these results. PROSPERO REGISTRATION CRD42020186311.
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Affiliation(s)
- Sonia López-Cisneros
- Multidisciplinary Unit Care for Older Person, Instituto Nacional de Geriatría. Av. Contreras 428 Col. San Jerónimo Lídice 10200, Mexico City, Mexico
| | - Samuel Ramos-Acevedo
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Sección XVI Tlalpan, CP 14000, Mexico City, Mexico
| | - Ailema González-Ortiz
- Translational Research Center, Instituto Nacional de Pediatría, Insurgentes Sur 3700C, Insurgentes Cuicuilco, Coyoacán, CP 04530 Mexico City, Mexico
| | - Alejandro G González-Garay
- Methodology Research Unit, Instituto Nacional de Pediatría, Insurgentes Sur 3700C, Insurgentes Cuicuilco, Coyoacán, CP 04530 Mexico City, Mexico
| | - Aurora E Serralde-Zúñiga
- Clinical Nutrition, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Sección XVI Tlalpan, CP 14000, Mexico City, Mexico
| | - Ángeles Espinosa-Cuevas
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Sección XVI Tlalpan, CP 14000, Mexico City, Mexico; Health Care Department. Universidad Autónoma Metropolitana. Calz. Del Hueso 1100, Coapa Villa Quietud, Alcaldía Coyoacán CP 04960, Mexico City, Mexico.
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5
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Andrade JM, Parker JR. Protein Consumption and Dialysis. J Ren Nutr 2023; 33:e1-e4. [PMID: 37634622 DOI: 10.1053/j.jrn.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/13/2023] [Indexed: 08/29/2023] Open
Affiliation(s)
- Jeanette M Andrade
- Assistant Professor, Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida.
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Ripon MSH, Ahmed S, Rahman T, Rashid HU, Karupaiah T, Khosla P, Daud ZAM, Arefin SUZ, Osmani AS. Dialysis capacity and nutrition care across Bangladesh: A situational assessment. PLoS One 2023; 18:e0291830. [PMID: 37733829 PMCID: PMC10513204 DOI: 10.1371/journal.pone.0291830] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/06/2023] [Indexed: 09/23/2023] Open
Abstract
Hemodialysis (HD) is a treatment for ensuring the survival of end-stage kidney disease (ESKD) patients, and nutrition care is integral to their management. We sent questionnaires to evaluate the total dialysis service capacity and nutrition services across all dialysis facilities (DF) in Bangladesh, with responses from 149 out of 166 active DFs. Survey results revealed that 49.7% of DFs operated two shifts, and 42.3% operated three shifts daily, with 74.5% holding between one and ten dialysis machines. Sixty-three percent of DFs served between one and 25 patients per week, and 77% of patients received twice-weekly dialysis. The average cost for first-time dialysis was 2800 BDT per session (range: 2500-3000 BDT), but it was lower if reused dialyzers were used (2100 BDT, range: 1700-2800 BDT). Nutritionists were available in only 21% of the DFs. Parameters related to nutritional health screening (serum albumin, BMI, MIS-malnutrition inflammation assessment, and dietary intakes) were carried out in 37.6%, 23.5%, 2%, and 2% of the DFs, respectively, only if recommended by physicians. Nutrition education, if recommended, was provided in 68.5% of DFs, but only in 17.6% of them were these delivered by nutritionists. The recommendation for using renal-specific oral nutrition supplements (ONS) is not a familiar practice in Bangladeshi DFs and, therefore, was scarcely recommended. Dialysis capacity across Bangladesh is inadequate to meet current or projected needs and nutrition education and support across the DFs to benefit improving patients' quality of life is also inadequate.
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Affiliation(s)
- Md. Sajjadul Haque Ripon
- Department of Food Technology and Nutrition Science, Noakhali Science and Technology University, Sonapur, Noakhali, Bangladesh
| | - Shakil Ahmed
- Department of Food Technology and Nutrition Science, Noakhali Science and Technology University, Sonapur, Noakhali, Bangladesh
| | - Tanjina Rahman
- Institute of Nutrition and Food Science, University of Dhaka, Dhaka, Bangladesh
| | - Harun-Ur Rashid
- Kidney Foundation Hospital and Research Institute, Dhaka, Bangladesh
| | | | - Pramod Khosla
- Department of Nutrition and Food Science, Wayne State University, Detroit, MI, United States of America
| | - Zulfitri Azuan Mat Daud
- Faculty Medicine and Health Sciences, Department of Dietetics, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | | | - Abdus Salam Osmani
- National Institute of Kidney Diseases and Urology, Sher-e-Bangla Nagar, Dhaka, Bangladesh
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Rachana B, Shobana S, Lalithya PV, Sudha V, Vinita S, Gayathri R, Kalpana N, Ranjit MA, Viswanathan M. Glycemic index of a nutritional supplement designed for people with chronic kidney disease. Food Sci Nutr 2023; 11:5379-5387. [PMID: 37701241 PMCID: PMC10494616 DOI: 10.1002/fsn3.3495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/18/2023] [Accepted: 05/24/2023] [Indexed: 09/14/2023] Open
Abstract
The study was carried out to measure the glycemic index (GI) of an oral food supplement for people with CKD as well as on patients on maintenance dialysis. The study was conducted as per international protocols for testing GI, was approved by the local institutional ethics committee, and was registered with the Clinical Trial Registry of India (CTRI). This was a crossover randomized controlled study which enrolled 15 participants between the ages of 18 and 45 years. The participants were randomly allotted to one group that consumed either the reference food (27.5 g of glucose monohydrate) or 118 g of the nutritional supplement which contained 25 g of available carbohydrates. Fasting capillary blood samples as well as blood samples at different time intervals as per the GI protocol, after consumption of either the supplement or the reference food were taken from the participants. Each testing day was separated by a 3-day washout period. GI was calculated from the incremental area under the blood glucose response elicited by the nutritional supplement as a percentage of the response after the consumption of 25 g of glucose (27.5 g of glucose monohydrate) by the same participant using a standard formula. The GI of the nutritional supplement was calculated to be 10.3 ± 2.0 which is considered to be low as per international GI testing standards. The product was created to supplement the diet of people with CKD at different stages and to help prevent the progression from CKD to ESRD as well as the risk for CVD. This product was found to have a low GI which is desirable for people with CKD as well as diabetics in general who are at risk for developing CKD.
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Affiliation(s)
- Bhoite Rachana
- Dr. Reddy's Laboratories Pvt Ltd.HyderabadTelanganaIndia
| | - Shanmugam Shobana
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
| | | | - Vasudevan Sudha
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
| | | | - Rajagopal Gayathri
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
| | - Natarajan Kalpana
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
| | - Mohan Anjana Ranjit
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
- Department of DiabetologyDr. Mohan's Diabetes Specialities CentreChennaiTamil NaduIndia
| | - Mohan Viswanathan
- Department of FoodsNutrition & Dietetics Research, Madras Diabetes Research FoundationChennaiTamil NaduIndia
- Department of DiabetologyDr. Mohan's Diabetes Specialities CentreChennaiTamil NaduIndia
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8
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Jacobson-Naftali M, Azoulay O, Frishman S, Godny L, Zingerman B, Rozen-Zvi B, Agur T. The Humoral Response to SARS-CoV-2 Vaccine in Hemodialysis Patients Is Correlated with Nutritional Status. Vaccines (Basel) 2023; 11:1141. [PMID: 37514958 PMCID: PMC10386095 DOI: 10.3390/vaccines11071141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Hemodialysis patients are highly susceptible to poor nutritional status. Our objective was to investigate whether poor nutritional status during mRNA-SARS-CoV-2 vaccination is correlated with impaired vaccine responses. This retrospective study was conducted in two hospital-based dialysis units. The nutritional status of hemodialysis patients was assessed, using a malnutrition inflammation score (MIS) at the time of their first BNT162b2 vaccine dose. One month after the second vaccine dose, we performed a quantitative assessment of antibodies against the spike protein (anti-S1 IgG). A total of 115 hemodialysis patients, with an average age of 72 were enrolled in the study. Among them, 39 (33.9%) were female, and 67 (58.2%) had diabetes mellitus. In 43/115 (37.4%) patients, moderate to severe malnutrition (MIS > 5) was detected. Comparatively, malnourished patients showed a lower log-transformed mean level of anti-S1 IgG compared to those with normal nutrition (2.91 ± 0.83 vs. 3.25 ± 0.72, respectively, p = 0.024). In a multivariable analysis that adjusted for age, sex, and KT/V, the nutritional status assessed by an MIS remained inversely associated with an anti-S1 IgG response [B; -0.066 (-0.117 to -0.015)]. In conclusion, moderate to severe malnutrition in hemodialysis patients is associated with reduced humoral responses to BNT162b2 vaccination.
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Affiliation(s)
- Merav Jacobson-Naftali
- Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
- Nutrition Unit, Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
| | - Odile Azoulay
- Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
- Nutrition Unit, Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
| | - Sigal Frishman
- Nutrition Unit, Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
| | - Lihi Godny
- Nutrition Unit, Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
| | - Boris Zingerman
- Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Benaya Rozen-Zvi
- Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Timna Agur
- Nephrology & Hypertension Department, Rabin Medical Center, Petaḥ Tikva 4941492, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
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9
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Kozlowska L, Jagiello K, Ciura K, Sosnowska A, Zwiech R, Zbrog Z, Wasowicz W, Gromadzinska J. The Effects of Two Kinds of Dietary Interventions on Serum Metabolic Profiles in Haemodialysis Patients. Biomolecules 2023; 13:biom13050854. [PMID: 37238723 DOI: 10.3390/biom13050854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
The goal of this study was to evaluate the effects of two kinds of 24-week dietary interventions in haemodialysis patients, a traditional nutritional intervention without a meal before dialysis (HG1) and implementation of a nutritional intervention with a meal served just before dialysis (HG2), in terms of analysing the differences in the serum metabolic profiles and finding biomarkers of dietary efficacy. These studies were performed in two homogenous groups of patients (n = 35 in both groups). Among the metabolites with the highest statistical significance between HG1 and HG2 after the end of the study, 21 substances were putatively annotated, which had potential significance in both of the most relevant metabolic pathways and those related to diet. After the 24 weeks of the dietary intervention, the main differences between the metabolomic profiles in the HG2 vs. HG1 groups were related to the higher signal intensities from amino acid metabolites: indole-3-carboxaldehyde, 5-(hydroxymethyl-2-furoyl)glycine, homocitrulline, 4-(glutamylamino)butanoate, tryptophol, gamma-glutamylthreonine, and isovalerylglycine. These metabolites are intermediates in the metabolic pathways of the necessary amino acids (Trp, Tyr, Phe, Leu, Ile, Val, Liz, and amino acids of the urea cycle) and are also diet-related intermediates (4-guanidinobutanoic acid, indole-3-carboxyaldehyde, homocitrulline, and isovalerylglycine).
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Affiliation(s)
- Lucyna Kozlowska
- Laboratory of Human Metabolism Research, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Karolina Jagiello
- Department of Environmental Chemistry and Radiochemistry, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
- QSAR Lab Ltd., 80-172 Gdansk, Poland
| | - Krzesimir Ciura
- QSAR Lab Ltd., 80-172 Gdansk, Poland
- Department of Physical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | | | - Rafal Zwiech
- Dialysis Department, Norbert Barlicki Memorial Teaching Hospital No. 1, 90-001 Lodz, Poland
| | | | - Wojciech Wasowicz
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91-348 Lodz, Poland
| | - Jolanta Gromadzinska
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91-348 Lodz, Poland
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10
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Kozlowska L, Gromadzinska J, Zwiech R, Zbrog Z, Wasowicz W. Effects of the Malnutrition-Eat Additional Meal (MEAM) Diet on the Serum Levels of Albumin and C-Reactive Protein in Hemodialysis Patients. Nutrients 2022; 14:nu14245352. [PMID: 36558511 PMCID: PMC9782191 DOI: 10.3390/nu14245352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
The main objective of this project was to evaluate the efficiency of two kinds of nutritional intervention implemented in hemodialysis patients for 24 weeks (traditional nutritional intervention without a meal served before dialysis for group HG1, and nutritional intervention involving a meal served before dialysis for group HG2), and their impact on nutritional status and serum concentrations of C-reactive protein (CRP). Nutritional status and serum biochemical parameters were analyzed in the control group (CG, n = 70) and in two homogeneous groups of patients, HG1 (n = 35) and HG2 (n = 35). There was an interesting trend in both groups of patients connected with increased intake, mainly of energy and protein. In HG1, the greatest increase in energy intake was observed on Sundays, and in HG2 on the days with dialysis. In HG2, after 24 weeks of the nutritional intervention, an increase in serum albumin (p = 0.0157) and a decrease in CRP concentration (p = 0.0306) were observed, whereas in HG1 there was a decrease in serum albumin concentration (p = 0.0043) with no significant change in CRP concentration. The nutritional intervention applied, called the Malnutrition-Eat Additional Meal (MEAM) diet with an easily digestible meal served before dialysis, was aimed at improving the patients' nutritional status and the obtained results indicate the need not only for substantial reeducation of hemodialysis patients in the area of their diet, but also for undertaking further research and discussions on the possibility of ensuring adequate meals for hemodialysis patients before the dialysis procedure.
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Affiliation(s)
- Lucyna Kozlowska
- Laboratory of Human Metabolism Research, Department of Dietetics, Warsaw University of Life Sciences, 02776 Warsaw, Poland
- Correspondence: (L.K.); (J.G.)
| | - Jolanta Gromadzinska
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91348 Lodz, Poland
- Correspondence: (L.K.); (J.G.)
| | - Rafal Zwiech
- Dialysis Department, Norbert Barlicki Memorial Teaching Hospital No.1, 90153 Lodz, Poland
| | | | - Wojciech Wasowicz
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91348 Lodz, Poland
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11
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Association of malnutrition with SARS-CoV-2 vaccine response in patients undergoing hemodialysis. Clin Nutr 2022; 41:2683-2690. [PMID: 36343559 PMCID: PMC9579190 DOI: 10.1016/j.clnu.2022.10.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/29/2022] [Accepted: 10/13/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND & AIMS Patients undergoing dialysis are less likely to develop immune responses to SARS-CoV-2 vaccine. Malnutrition is common in the dialysis population. However, whether malnutrition contributes to the impaired immunogenicity remains unknown. The aim of this study was to assess the association between nutritional status and SARS-CoV-2 vaccine response in patients receiving maintenance hemodialysis. METHODS A total of 206 hemodialysis patients (mean age, 67 ± 13 years) without prior SARS-CoV-2 infection were examined for the primary outcome of seroconversion, defined as the detection of IgG antibodies (≥50 AU/mL) to the receptor-binding domain of the S1 spike protein of SARS-CoV-2 one month after a priming dose of ChAdOx1 nCoV-19, an adenovirus-vectored vaccine. Nutritional status was assessed by using the Controlling Nutritional Status (CONUT) score, an objective indicator of nutrition incorporating serum albumin, total cholesterol, and total lymphocyte count, as well as the subjective global assessment (SGA). RESULTS Overall, 16.5% of patients were classified as malnourished, and 64.1% of patients were at risk for malnutrition based on the CONUT score. Anti-SARS-CoV-2 IgG were the highest in patients with normal nutrition. In multivariate logistic regression analyses adjusted for age, sex, comorbidities, and use of immunosuppressants, patients with malnutrition remained less likely to develop an antibody response than those with normal nutrition (odds ratio 0.23, 95% CI, 0.07-0.76). SGA was a significant predictor of anti-SARS-CoV-2 IgG seroconversion in univariate but not multivariate analyses. CONCLUSIONS Malnutrition according to CONUT score is associated with impaired humoral responses to SARS-CoV-2 vaccination in patients undergoing hemodialysis. Our results highlight the importance of incorporating nutritional assessment into routine dialysis care to identify patients at risk for suboptimal immune responses after SARS-CoV-2 vaccination. Further research is needed to determine whether nutritional intervention can improve immune responses in these vulnerable patients.
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12
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González-Ortiz A, Ramos-Acevedo S, Santiago-Ayala V, Gaytan G, Valencia-Flores M, Correa-Rotter R, Carrero JJ, Xu H, Espinosa-Cuevas Á. Sleep Quality After Intradialytic Oral Nutrition: A New Benefit of This Anabolic Strategy? A Pilot Study. Front Nutr 2022; 9:882367. [PMID: 35938133 PMCID: PMC9355791 DOI: 10.3389/fnut.2022.882367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundSince disturbances of appetite and sleep are closely related and both affect metabolic disorders, it would be expected that a renal specific oral nutritional supplement (RS-ONS) that covers the energy the patient does not consume on the HD day, could contribute to improve the nutritional status and body composition, as well as sleep quality. There is still scarce information related to this topic.AimTo evaluate the effect of the use of intra-dialytic RS-ONS vs. RS-ONS at home on sleep quality, nutritional status, and body composition in patients on HD.MethodsAdult patients < 65 years, with ≥3 months on HD were invited to participate in an open randomized pilot study (ISRCTN 33897). Patients were randomized to a dialysis-specific high-protein supplement provided during the HD session (Intradialytic oral nutrition [ION]) or at home (control), during non-HD days (thrice weekly, for both) 12 weeks. The primary outcome was sleep quality defined by the Pittsburgh Sleep Quality Index (PSQI) score. Nutritional assessment included Malnutrition Inflammation Score (MIS), bioelectrical impedance analysis, anthropometry, 3-day food records, and routine blood chemistries.ResultsA total of 23 patients completed the study. Age was median 35 (range 24–48 years), 42% were women. At baseline, the PSQI score was median 4 (range 2–7), and MIS showed a median of 6 (range 5–8); there were no baseline differences between groups. After intervention, both groups improved their MIS scores and similarly when we analyzed the whole cohort (pre- vs. post-intervention P < 0.01). Patients in the ION group improved the overall PSQI score to median 3 (2–5), and assessment of sleep duration and sleep disturbances (pre- vs. post-intervention P < 0.05), with a trend toward an effect difference compared to patients consuming the supplement at home (P for treatment-effect across arms 0.07 for PSQI score and 0.05 for sleep latency).ConclusionOral supplementation improved nutritional status in the whole cohort, but only ION improved the PSQI score. More studies are needed to explore the nutritional strategies that influence the relationship between sleep and nutritional status in HD patients.
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Affiliation(s)
| | - Samuel Ramos-Acevedo
- Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Victoria Santiago-Ayala
- Neurology Department, Sleep Disorders Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
- School of Psychology, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Gabriela Gaytan
- Neurology Department, Sleep Disorders Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Matilde Valencia-Flores
- Neurology Department, Sleep Disorders Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
- School of Psychology, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Ricardo Correa-Rotter
- Department of Nephrology and Mineral Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Juan Jesus Carrero
- Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Hong Xu
- Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Ángeles Espinosa-Cuevas
- Translational Research Center, Instituto Nacional de Pediatría, Mexico City, Mexico
- Health Care Department, Universidad Autónoma Metropolitana-Xochimilco, Mexico City, Mexico
- *Correspondence: Ángeles Espinosa-Cuevas
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13
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Effect of Intradialytic Oral Nutritional Supplementation with or without Exercise Improves Muscle Mass Quality and Physical Function in Hemodialysis Patients: A Pilot Study. Nutrients 2022; 14:nu14142946. [PMID: 35889902 PMCID: PMC9323958 DOI: 10.3390/nu14142946] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Oral nutritional supplementation (ONS) with or without exercise (EX) could improve muscle mass (MM) in chronic kidney disease. Methods: Patients were randomized into two groups: (1) ONS and (2) ONS + EX. Thigh muscle area (cm2) and intramuscular lipid content via attenuation were evaluated at baseline and 6 months with computed tomography (CT) to measure MM quantity and quality. Physical function was measured by six-minute walk test (6 MWT), gait speed, handgrip strength (HGS), and Time Up and Go test (TUG) at baseline and 3 and 6 months. Results: The ONS group (n= 14) showed statistically significant improvement in gait speed and HGS; ONS + EX group (n = 10) showed differences in gait speed, in 6 MWT, and HGS. In the ANOVA (3 times × 2 groups), no differences were observed between groups. Greater effect sizes in favor to ONS + EX group were observed in the 6 MWT (d = 1.02) and TUG test (d = 0.63). Muscle quality at six months revealed a significant trend in favor of the EX-group (p = 0.054). Conclusions: Both groups had improved physical function, and greater effect sizes were seen in the ONS + EX group for the 6 MWT and TUG test. Neither MM quantity or quality was improved in either group.
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14
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Bechtold ML, Brown PM, Escuro A, Grenda B, Johnston T, Kozeniecki M, Limketkai BN, Nelson KK, Powers J, Ronan A, Schober N, Strang BJ, Swartz C, Turner J, Tweel L, Walker R, Epp L, Malone A. When is enteral nutrition indicated? JPEN J Parenter Enteral Nutr 2022; 46:1470-1496. [PMID: 35838308 DOI: 10.1002/jpen.2364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 11/07/2022]
Abstract
Enteral nutrition (EN) is a vital component of nutrition around the world. EN allows for delivery of nutrients to those who cannot maintain adequate nutrition by oral intake alone. Common questions regarding EN are when to initiate and in what scenarios it is safe. The answers to these questions are often complex and require an evidence-based approach. The Board of Directors of the American Society for Parenteral and Enteral Nutrition (ASPEN) established an Enteral Nutrition Committtee to address the important questions surrounding the indications for EN. Consensus recommendations were established based on eight extremely clinically relevant questions regarding EN indications as deemed by the Enteral Nutrition Committee. These consensus recommendations may act as a guide for clinicians and stakeholders on difficult questions pertaining to indications for EN. This paper was approved by the ASPEN Board of Directors.
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Affiliation(s)
| | | | | | - Brandee Grenda
- Morrison Healthcare at Atrium Health Navicant, Charlotte, North Carolina, USA
| | - Theresa Johnston
- Nutrition Support Team, Christiana Care Health System, Newark, Delaware, USA
| | | | | | | | - Jan Powers
- Nursing Research and Professional Practice, Parkview Health System, Fort Wayne, Indiana, USA
| | - Andrea Ronan
- Fanconi Anemia Research Fund, Eugene, Oregon, USA
| | - Nathan Schober
- Cancer Treatment Centers of America - Atlanta, Newnan, Georgia, USA
| | | | - Cristina Swartz
- Northwestern Medicine Delnor Cancer Center, Chicago, Illinois, USA
| | - Justine Turner
- Department of Pediatrics, Division of Gastroenterology and Nutrition, University of Alberta, Edmonton, Canada
| | | | - Renee Walker
- Michael E. DeBakey Veteran Affairs Medical Center, Houston, Texas, USA
| | - Lisa Epp
- Mayo Clinic, Rochester, Minnesota, USA
| | - Ainsley Malone
- American Society for Parenteral and Enteral Nutrition, Silver Spring, Maryland, USA
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15
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Castro-Barquero S, Arias-Guillén M, Pi-Oriol S, Sacanella E, Romano-Andrioni B, Vidal-Lletjós S, Ruiz-León AM, Estruch R, Casas R. A Comparative Study of the Efficacy of an Intervention with a Nutritional Supplement for Patients with Chronic Kidney Disease: A Randomized Trial. J Clin Med 2022; 11:jcm11061647. [PMID: 35329972 PMCID: PMC8951226 DOI: 10.3390/jcm11061647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/11/2022] [Accepted: 03/14/2022] [Indexed: 11/16/2022] Open
Abstract
Chronic kidney disease (CKD) involves heterogeneous diseases that affect the renal structure and function. Malnutrition plays a crucial role during patients with CKD on hemodialysis (HD) treatment and is associated with an increased rate and duration of hospitalizations. The aim of this randomized, parallel, intervention-controlled trial was to assess whether the use of daily supplementation with a new nutritional product developed by the Grand Fontaine Laboratories improves the nutritional status and anthropometric parameters of stage 5 CKD patients, compared with standard renal dietary advice, after three months of follow-up. Dietary intake, anthropometric measurements, physical activity, and blood samples were collected at baseline and after three months of intervention. Significant improvements were observed within the intervention group in body weight (1.5 kg [95% CI: 0.9 to 2.12 kg]) and BMI (0.54 kg/m2 [95% CI: 0.31 to 0.77]; p-value between groups, 0.002 and 0.006, respectively). In the control group, significant decreases were observed in transferrin saturation (-5.04% [95% CI: -8.88 to -1.21]) and alpha-tocopherol levels (-3.31 umol/L [95% CI: -6.30 to -0.32]). We concluded that daily dietary intake of a specific renal nutritional complement in CKD patients with or at risk of malnutrition may prevent deterioration in nutritional parameters.
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Affiliation(s)
- Sara Castro-Barquero
- Department of Medicine, Faculty of Medicine and Life Sciences, University of Barcelona, 08036 Barcelona, Spain; (S.C.-B.); (S.P.-O.); (E.S.); (R.E.)
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
| | - Marta Arias-Guillén
- Department of Nephrology, Hospital Clínic Barcelona, 08036 Barcelona, Spain;
| | - Sofia Pi-Oriol
- Department of Medicine, Faculty of Medicine and Life Sciences, University of Barcelona, 08036 Barcelona, Spain; (S.C.-B.); (S.P.-O.); (E.S.); (R.E.)
| | - Emilio Sacanella
- Department of Medicine, Faculty of Medicine and Life Sciences, University of Barcelona, 08036 Barcelona, Spain; (S.C.-B.); (S.P.-O.); (E.S.); (R.E.)
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
| | | | | | - Ana María Ruiz-León
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
- Mediterranean Diet Foundation, 08021 Barcelona, Spain
| | - Ramon Estruch
- Department of Medicine, Faculty of Medicine and Life Sciences, University of Barcelona, 08036 Barcelona, Spain; (S.C.-B.); (S.P.-O.); (E.S.); (R.E.)
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
| | - Rosa Casas
- Department of Medicine, Faculty of Medicine and Life Sciences, University of Barcelona, 08036 Barcelona, Spain; (S.C.-B.); (S.P.-O.); (E.S.); (R.E.)
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-93-2275745; Fax: +34-93-2275758
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16
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Hu J, Zhang H, Yi B. Peritoneal transport status and first episode of peritonitis: a large cohort study. Ren Fail 2021; 43:1094-1103. [PMID: 34233593 PMCID: PMC8274533 DOI: 10.1080/0886022x.2021.1949350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND Peritonitis is one of the most serious complications of peritoneal dialysis (PD). This study aimed to explore the relationship between peritoneal transport status and the first episode of peritonitis, as well as the prognosis of patients undergoing continuous ambulatory peritoneal dialysis (CAPD). METHOD A retrospective cohort study was conducted, analyzing data of CAPD patients from 1st January 2009, to 31st December 2017. Baseline data within 3 months after PD catheter placement was recorded. Cox multivariate regression analysis was performed to determine the risk factors for the first episode of peritonitis, technique failure and overall mortality. RESULTS A total of 591 patients were included in our analysis, with a mean follow-up visit of 49 months (range: 27-75months). There were 174 (29.4%) patients who had experienced at least one episode of peritonitis. Multivariate Cox regression analysis revealed that a higher peritoneal transport status (high and high-average) (HR 1.872, 95%CI 1.349-2.599, p = 0.006) and hypoalbuminemia (HR 0.932,95% CI 0.896, 0.969, p = 0.004) were independent risk factors for the occurrence of the first episode of peritonitis. In addition, factors including gender (male) (HR 1.409, 95%CI 1.103, 1.800, p = 0.010), low serum albumin (HR 0.965, 95%CI 0.938, 0.993, p = 0.015) and the place of residence (rural) (HR 1.324, 95%CI 1.037, 1.691, p = 0.024) were independent predictors of technique failure. Furthermore, low serum albumin levels (HR 0.938, 95%CI 0.895, 0.984, p = 0.008) and age (>65years) (HR 1.059, 95%CI 1.042, 1.076, p < 0.001) were significantly associated with the risk of overall mortality of PD patients. CONCLUSIONS Baseline hypoalbuminemia and a higher peritoneal transport status are risk factors for the first episode of peritonitis. Factors including male gender, hypoalbuminemia, and residing in rural areas are associated with technique failure, while hypoalbuminemia and age (>65years) are predictors of the overall mortality in PD patients. Nevertheless, the peritoneal transport status does not predict technique failure or overall mortality of PD patients.
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Affiliation(s)
- Jing Hu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Hao Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yi
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
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17
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Said MY, Rodriguez-Niño A, Post A, Schutten JC, Kieneker LM, Gomes-Neto AW, van Londen M, Osté MC, Borgonjen-van den Berg KJ, Nolte IM, van den Berg E, de Blaauw P, van der Krogt J, Heiner-Fokkema MR, Navis G, Yard BA, Bakker SJ. Meat intake and risk of mortality and graft failure in kidney transplant recipients. Am J Clin Nutr 2021; 114:1505-1517. [PMID: 34091671 PMCID: PMC8488867 DOI: 10.1093/ajcn/nqab185] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 05/12/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND It is unknown whether meat intake is beneficial for long-term patient and graft survival in kidney transplant recipients (KTR). OBJECTIVES We first investigated the association of the previously described meat intake biomarkers 1-methylhistidine and 3-methylhistidine with intake of white and red meat as estimated from a validated food frequency questionnaire (FFQ). Second, we investigated the association of the meat intake biomarkers with long-term outcomes in KTR. METHODS We measured 24-h urinary excretion of 1-methylhistidine and 3-methylhistidine by validated assays in a cohort of 678 clinically stable KTR. Cross-sectional associations were assessed by linear regression. We used Cox regression analyses to prospectively study associations of log2-transformed biomarkers with mortality and graft failure. RESULTS Urinary 1-methylhistidine and 3-methylhistidine excretion values were median: 282; interquartile range (IQR): 132-598 µmol/24 h and median: 231; IQR: 175-306 µmol/24 h, respectively. Urinary 1-methylhistidine was associated with white meat intake [standardized β (st β): 0.20; 95% CI: 0.12, 0.28; P < 0.001], whereas urinary 3-methylhistidine was associated with red meat intake (st β: 0.30; 95% CI: 0.23, 0.38; P < 0.001). During median follow-up for 5.4 (IQR: 4.9-6.1) y, 145 (21%) died and 83 (12%) developed graft failure. Urinary 3-methylhistidine was inversely associated with mortality independently of potential confounders (HR per doubling: 0.55; 95% CI: 0.42, 0.72; P < 0.001). Both urinary 1-methylhistidine and urinary 3-methylhistidine were inversely associated with graft failure independent of potential confounders (HR per doubling: 0.84; 95% CI: 0.73, 0.96; P = 0.01; and 0.59; 95% CI: 0.41, 0.85; P = 0.004, respectively). CONCLUSIONS High urinary 3-methylhistidine, reflecting higher red meat intake, is independently associated with lower risk of mortality. High urinary concentrations of both 1- and 3-methylhistidine, of which the former reflects higher white meat intake, are independently associated with lower risk of graft failure in KTR. Future intervention studies are warranted to study the effect of high meat intake on mortality and graft failure in KTR, using these biomarkers.
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Affiliation(s)
- M Yusof Said
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Angelica Rodriguez-Niño
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Vth Department of Medicine (Nephrology/Endocrinology/Rheumatology), University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany
| | - Adrian Post
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Joelle C Schutten
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Lyanne M Kieneker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Antonio W Gomes-Neto
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Marco van Londen
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Maryse Cj Osté
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | | | - Ilja M Nolte
- Department of Epidemiology, University of Groningen, Groningen, The Netherlands
| | - Else van den Berg
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Pim de Blaauw
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jennifer van der Krogt
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - M Rebecca Heiner-Fokkema
- Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Gerjan Navis
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Groningen Kidney Center, Groningen, The Netherlands
| | - Benito A Yard
- Vth Department of Medicine (Nephrology/Endocrinology/Rheumatology), University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany
| | - Stephan Jl Bakker
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Groningen Kidney Center, Groningen, The Netherlands
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18
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Shimamoto S, Yamada S, Hiyamuta H, Arase H, Taniguchi M, Tsuruya K, Nakano T, Kitazono T. Association of the nutritional risk index for Japanese hemodialysis patients with long-term mortality: The Q-Cohort Study. Clin Exp Nephrol 2021; 26:59-67. [PMID: 34403008 DOI: 10.1007/s10157-021-02124-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 08/11/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Protein-energy wasting (PEW) is a risk factor for mortality in patients undergoing hemodialysis. Recently, a nutritional risk index for Japanese hemodialysis patients (NRI-JH) has been proposed as a surrogate index of PEW. However, no study has determined the association of the NRI-JH with long-term mortality in patients undergoing hemodialysis. Furthermore, the validity of the NRI-JH has not been confirmed. METHODS In total, 3046 patients undergoing hemodialysis and registered in the Q-Cohort Study were followed up for 10 years. The NRI-JH was calculated on the basis of body mass index and serum levels of albumin, total cholesterol, and creatinine. The patients were divided into four groups according to the NRI-JH scores: 0-3 (G1, n = 1343), 4-7 (G2, n = 1136), 8-10 (G3, n = 321), and 11-13 (G4, n = 246). We examined the association between the NRI-JH and the 4-year and 10-year risks of all-cause, cardiovascular, and infection-related deaths using the Cox proportional hazards model. RESULTS During the follow-up period, 647 patients died during the first 4 years, and 1503 patients died within 10 years. The 4-year prognosis was analyzed and compared with the lowest NRI-JH score group. Multivariable-adjusted hazard ratios (95% confidence intervals) for all-cause death were 1.93 (1.57-2.38), 2.68 (2.05-3.50), and 3.16 (2.40-4.16) in the G2, G3, and G4 groups, respectively. Similarly, a higher NRI-JH score was associated with an increased risk of cardiovascular and infection-related deaths. CONCLUSION A higher NRI-JH score was associated with an increased risk of long-term mortality in patients undergoing maintenance hemodialysis. TRIAL REGISTRATION The study protocol was registered in the University Hospital Medical Information Network (UMIN) clinical trial registry (UMIN ID: 000000556).
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Affiliation(s)
- Sho Shimamoto
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan
| | - Shunsuke Yamada
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan
| | - Hiroto Hiyamuta
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan
| | - Hokuto Arase
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan
| | | | | | - Toshiaki Nakano
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan.
| | - Takanari Kitazono
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 8128582, Japan
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19
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Ko GJ, Kalantar-Zadeh K. How important is dietary management in chronic kidney disease progression? A role for low protein diets. Korean J Intern Med 2021; 36:795-806. [PMID: 34153180 PMCID: PMC8273814 DOI: 10.3904/kjim.2021.197] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/08/2021] [Indexed: 02/07/2023] Open
Abstract
High dietary protein intake may lead to increased intraglomerular pressure and glomerular hyperfiltration, which in the long-term can lead to de novo or aggravating preexisting chronic kidney disease (CKD). Hence, a low protein diet (LPD, 0.6 to 0.8 g/kg/day) is recommended for the management of CKD. There are evidences that dietary protein restriction mitigate progression of CKD and retard the initiation of dialysis or facilitate incremental dialysis. LPD is also helpful to control metabolic derangements in CKD such as metabolic acidosis and hyperphosphatemia. Recently, a growing body of evidence has emerged on the benefits of plant-dominant low-protein diet (PLADO), which composed of > 50% plant-based sources. PLADO is considered to be helpful for relieving uremic burden and metabolic complications in CKD compared to animal protein dominant consumption. It may also lead to favorable alterations in the gut microbiome, which can modulate uremic toxin generation along with reducing cardiovascular risk. Alleviation of constipation in PLADO may minimize the risk of hyperkalemia. A balanced and individualized dietary approach for good adherence to LPD utilizing various plant-based sources as patients' preference should be elaborated for the optimal care in CKD. Periodic nutritional assessment under supervision of trained dietitians should be warranted to avoid protein-energy wasting.
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Affiliation(s)
- Gang-Jee Ko
- Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kamyar Kalantar-Zadeh
- Harold Simmons Center for Kidney Disease Research and Epidemiology, University of California Irvine, School of Medicine, Orange, CA, USA
- Department of Medicine, Long Beach Veteran Affairs Health System, Long Beach, CA, USA
- Los Angeles Biomedical Research Institute at Harbor, University of California Los Angeles, Torrance, CA, USA
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20
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Boaz M, Azoulay O, Kaufman‐Shriqui V, Weinstein T. Status of Nutrition In Hemodialysis Patients Survey (SNIPS): Malnutrition risk by diabetes status. Diabet Med 2021; 38:e14543. [PMID: 33583032 PMCID: PMC8248169 DOI: 10.1111/dme.14543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 02/07/2021] [Accepted: 02/11/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND Increased malnutrition risk has been observed in more than 40% people on haemodialysis in Israel. It is not clear that this risk is homogeneously distributed among people with versus without diabetes. OBJECTIVES To examine the influence of diabetes on malnutrition risk among people on haemodialysis. METHODS This cross-sectional study included a representative sample of 375 individuals on haemodialysis treated in hospital dialysis centres throughout Israel. Of these, 126 had diabetes. Dietary intake, biochemistry, anthropometric and hemodynamic measures were recorded. Malnutrition risk categories were defined: "minimal": body mass index (BMI) ≥23 kg/m2 and serum albumin ≥38 mmol/L; "mild": BMI <23 kg/m2 and albumin ≥38 mmol/L; "moderate": BMI ≥23 kg/m2 and albumin <38 mmol/L; "severe": BMI<23 k/m2 and serum albumin <38 mmol/L. These categories were dichotomized to "minimal" versus elevated malnutrition risk. RESULTS Despite greater BMI, elevated malnutrition risk was identified in 58.8% of individuals with versus 39.3% without diabetes. Adherence to International Society for Renal Nutrition and Metabolism nutrition guidelines was poor regardless of diabetes status. In multivariable logistic regression analysis, diabetes: OR 2.15; C-reactive protein (nmol/L): OR 1.02; delivered dialysis dose (Kt/V): OR 6.07; and haemoglobin (g/L): OR 0.79, predicted elevated malnutrition risk, even after controlling for age, sex and years on haemodialysis. DISCUSSION Individuals on haemodialysis who have diabetes have elevated malnutrition risk compared to those without diabetes despite greater BMI.
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Affiliation(s)
- Mona Boaz
- Department of Nutrition SciencesSchool of Health SciencesAriel UniversityArielIsrael
| | - Odile Azoulay
- Department of NephrologyRabin Medical CenterBeilinson CampusPetah TikvahIsrael
| | - Vered Kaufman‐Shriqui
- Department of Nutrition SciencesSchool of Health SciencesAriel UniversityArielIsrael
| | - Talia Weinstein
- Department of NephrologyTel Aviv‐Sourasky Medical CenterTel AvivIsrael
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21
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Xia H, Zhang B, Yang D, Zhu C, Zhang J, Chen H, Ma H, Hu S, Xu C, Shi C, Lu K, Zhang P. Yi-Qi-Jian-Pi-Xiao-Yu-Xie-Zhuo Formula Improves Muscle Atrophy via Modulating the IGF-1/PI3K/Akt Signaling Pathway in 5/6 Nephrectomized Rats. Front Pharmacol 2021; 12:624303. [PMID: 33986663 PMCID: PMC8111449 DOI: 10.3389/fphar.2021.624303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 03/10/2021] [Indexed: 12/02/2022] Open
Abstract
The Yi–Qi–Jian–Pi–Xiao–Yu–Xie–Zhuo (YQJPXYXZ) formula has been used for treating chronic kidney disease (CKD) for many years with good efficiency based on the cumulative empirical experience of previous practitioners. Impairment of the IGF-1/PI3K/Akt signaling pathway plays an important role in mediating muscle wasting. This study aimed to observe effects of the YQJPXYXZ formula on muscle atrophy in CKD rats and investigate its possible mechanism on regulation of the IGF-1/PI3K/Akt signaling pathway. The 5/6 nephrectomized rats were randomly allocated into 3 groups: the CKD group, the KT (compound α-ketoacid tablets) group, and the YQJPXYXZ group. Besides, sham-operated rats were included as the sham group. All rats were treated for 12 weeks. Results showed that administration of the YQJPXYXZ formula prevented body weight loss and muscle fiber size decrease. Moreover, the YQJPXYXZ formula increased the IGF-1 level of serum and skeletal muscle in CKD rats and enhanced the phosphorylation level of Akt. Furthermore, the YQJPXYXZ formula decreased the Atrogin1 and MuRF1 mRNA and MuRF1 proteins. In conclusion, our data demonstrated that the YQJPXYXZ formula improves muscle wasting in CKD rats, which might be associated with the modulation of the IGF-1/PI3K/Akt signaling pathway and inhibition of the ubiquitin–proteasome system (UPS).
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Affiliation(s)
- Hong Xia
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Bingbing Zhang
- Postgraduate of Internal Medicine of Traditional Chinese Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Dan Yang
- Postgraduate of Internal Medicine of Traditional Chinese Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Chengyue Zhu
- Department of Orthopaedics, The Affiliated Guangxing Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jiudan Zhang
- Department of Endocrinology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Hongbo Chen
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Hongzhen Ma
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Shouci Hu
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Chao Xu
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Chengqian Shi
- Department of Nephrology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Keda Lu
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Peipei Zhang
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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22
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Iocca A, Bardwell AM, Schumacher JR, Barnes JL. Ice-Cream Substitute for Patients With Kidney Failure. J Ren Nutr 2021; 32:207-213. [PMID: 33781636 DOI: 10.1053/j.jrn.2021.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 01/29/2021] [Accepted: 02/10/2021] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Quality of life for patients with kidney failure is less than similar-aged, general population counterparts. A large part of the decrease in quality of life is from the change of diet and nutritional restrictions. One way to combat this decrease in quality of life is through oral nutrition supplements. METHODS An ice-cream substitute product was developed for patients with kidney failure on peritoneal dialysis. The product consisted of an ice-cream-like base of rice milk, egg whites, evaporated coconut milk, sugar, and vanilla bean paste. Two flavors were then created: cinnamon and lemon. Both flavors were tested subjectively and objectively. Sensory taste testing was with peritoneal dialysis patients using a Likert scale ballot with a comment section. Texture analysis was completed using a CT3 Brookfield texture analyzer. The results from the sensory testing (taste, texture, overall acceptability) and the texture analysis were analyzed using paired-samples t-tests. Nutritional analysis for the product was calculated. RESULTS The sensory test of taste, texture, and overall acceptability between the two flavors was not found to be statistically different between the cinnamon and lemon. Similarly, the objective results were also not statistically significant between the two flavors. CONCLUSION Based on the nutritional analysis, both the lemon and the cinnamon flavors were found to be "good" sources of protein when compared with the Food and Drug Administration's definition of a "good" source of protein. In addition, patients found the sensory aspects of both flavors to be slightly to moderately likable.
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Affiliation(s)
- Abby Iocca
- Registered Dietitian, Crossing Healthcare, Decatur, Illinois
| | - Amy M Bardwell
- Assistant Professor, Illinois State University, Normal, Illinois.
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23
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Martins VS, Adragão T, Aguiar L, Fortes A, Costa M, Borges N, Calhau C, Macário F. Can an intradialytic snack model compensate the catabolic impact of hemodialysis? Clin Nutr ESPEN 2021; 42:292-298. [PMID: 33745595 DOI: 10.1016/j.clnesp.2021.01.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/30/2020] [Accepted: 01/08/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND AIMS Hemodialysis (HD) has a catabolic effect caused by alterations in protein metabolism, increase in resting energy expenditure (REE) and protein needs due to inflammation, HD circuit blood and heat losses, protein losses to dialysate and HD filter membrane biocompatibility. We aim to determine, as a proof of concept, whether a standardized intradialytic snack model is adequate to compensate the catabolic impact of HD. METHODS Cross sectional analysis of patients' chosen intradialytic intake according to a snack model, at the day of blood sample collection of three different months. As targets for the compensation of the catabolic impact of HD, we considered 316.8kCal (1.32 (±0.18) kcal/min - 240' of HD) for the estimated increase in REE and at least 7 g of protein losses/HD treatment. RESULTS A total of 448 meals were analyzed, with 383 given during daytime shifts. No intolerances were registered. The mean nutritional profile of the daytime shifts intakes was 378.8 (±151.4) kcal, 13.5 (±7.2) g of protein, 676 (±334) mg of sodium (Na), 361.0 (±240.3) mg of potassium (K) and 249.3 (±143.0) mg of phosphates (P). We found that 68% of the meals provided an intake ≥316.8kCal and 82% a protein intake ≥ 7 g, with a significant association found between treatment shift and energy (p < 0.028), protein (p < 0.028), lipids (p < 0.004), Na (p < 0.004), K (p < 0.009) and P (p < 0.039) intakes. CONCLUSIONS We found that this intradialytic snack model meets the target for the treatment-related increases in protein and energy needs. Although sodium intake was found to be high, potassium and phosphate intake was considered adequate.
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Affiliation(s)
- Vítor Sá Martins
- Medical Department, DIAVERUM, Portugal; Food and Nutrition Sciences Faculty, Universidade Do Porto, Rua Dr Roberto Frias, 4200-465, Porto, Portugal; CINTESIS, Center for Health Technology Services Research, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal.
| | - Teresa Adragão
- Medical Department, DIAVERUM, Portugal; Nephrology Department, Santa Cruz Hospital, Carnaxide, Portugal
| | | | - Alice Fortes
- Medical Department, DIAVERUM, Portugal; Nephrology and Transplantation Department, Centro Hospitalar Lisboa Norte, Lisboa, Portugal
| | | | - Nuno Borges
- Food and Nutrition Sciences Faculty, Universidade Do Porto, Rua Dr Roberto Frias, 4200-465, Porto, Portugal; CINTESIS, Center for Health Technology Services Research, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
| | - Conceição Calhau
- NOVA Medical School, Faculdade de Ciências Médicas da Universidade Nova de Lisboa, Campo Mártires da Pátria, n.º 130, 1169-056, Lisboa, Portugal; CINTESIS, Center for Health Technology Services Research, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal; Unidade Universitária Lifestyle Medicine José de Mello Saúde By NOVA Medical School, Lisboa, Portugal
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24
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Ramos-Acevedo S, González-Ortiz A, Serralde-Zúñiga AE, Colín-Ramírez E, Miranda-Alatriste P, López-Cisneros S, Rodríguez-González N, Correa-Rotter R, Atilano-Carsi X, Espinosa-Cuevas Á. Frequency of Intradialytic Hypotension Events Do Not Increase with Oral Nutritional Supplementation during Hemodialysis Treatment: A Randomized Controlled Trial. J Ren Nutr 2021; 31:669-678. [PMID: 33648870 DOI: 10.1053/j.jrn.2020.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/22/2020] [Accepted: 10/21/2020] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE This study aimed to compare the effect of the use of a renal-specific oral nutritional supplement (RS-ONS) during hemodialysis sessions and the use of RS-ONS at home on the incidence of intradialytic hypotension. METHODS A single-center, 12-week, open-label, randomized controlled clinical trial was conducted. The intervention was a RN-ONS divided into two portions: 100 and 137 mL. The first portion was given after 1 hour of hemodialysis (HD) treatment, while the second portion was given 45 minutes before the end of HD. The research staff registered the baseline and final nutritional parameters and systolic arterial pressure (SAP) from the screen of the HD device during 36 HD sessions. Hypotension symptoms were also recorded every hour during each HD session. The nutritional and functional status was also assessed. RESULTS We registered a total of 16 hypotensive events during 1082 HD sessions: 9 were in patients supplemented at home (551 HD sessions) and 7 occurred in patients supplemented during HD P = .668. Incidence of intradialytic hypotension (IH) during 1082 HD sessions was 1.4%. The total malnutrition inflammation score (MIS) decreased in both groups (P < .01), and the percentage of cachexia improved in the supplemented-during-HD group (P < .05). CONCLUSIONS In this randomized controlled trial, intradialytic hypotension events did not increase with the RS-ONS during HD treatment. This strategy appears to be a safe anabolic nutritional strategy for the prevention of PEW, selecting stable patients and administering a fractioned volume of the supplement after the first hour of HD treatment. More studies with larger samples size are required to confirm these findings.
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Affiliation(s)
- Samuel Ramos-Acevedo
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Ailema González-Ortiz
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Aurora E Serralde-Zúñiga
- Clinical Nutrition Service, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Eloisa Colín-Ramírez
- Research Associate, Canadian VIGOUR Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Paola Miranda-Alatriste
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Sonia López-Cisneros
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Norberto Rodríguez-González
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Ricardo Correa-Rotter
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Ximena Atilano-Carsi
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City
| | - Ángeles Espinosa-Cuevas
- Nephrology and Mineral Metabolism Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City.
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25
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Pérez-Torres A, González García ME, Ossorio-González M, Álvarez García L, Bajo MA, del Peso G, Castillo Plaza A, Selgas R. The Effect of Nutritional Interventions on Long-Term Patient Survival in Advanced Chronic Kidney Disease. Nutrients 2021; 13:nu13020621. [PMID: 33672996 PMCID: PMC7918910 DOI: 10.3390/nu13020621] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 11/16/2022] Open
Abstract
Patients with end-stage kidney disease (ESKD) are at high risk of malnutrition and subsequent related mortality when starting dialysis. However, there have been few clinical studies on the effect of nutritional interventions on long-term patient survival. A 2-year longitudinal study was conducted from January 2012 to December 2016. A total of 186 patients with non-dialysis ESKD started the nutritional education program (NEP), and 169 completed it. A total of 128 patients participated in a NEP over 6 months (personalized diet, education and oral supplementation, if needed). The control group (n = 45) underwent no specific nutritional intervention. The hospitalization rate was significantly lower for the patients with NEP (13.7%) compared with the control patients (26.7%) (p = 0.004). The mortality odds ratio for the patients who did not receive NEP was 2.883 (95% CI 0.993-8.3365, p = 0.051). The multivariate analysis showed an independent association between mortality and age (OR, 1.103; 95% CI 1.041-1.169; p = 0.001) and between mortality and the female sex (OR, 3.332; 95% CI 1.054-10.535; p = 0.040) but not between mortality and those with NEP (p = 0.051). Individualized nutrition education has long-term positive effects on nutritional status, reduces hospital admissions and increases survival among patients with advanced CKD who are starting dialysis programs.
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Affiliation(s)
- Almudena Pérez-Torres
- Nutrition Department, Hospital Universitario Santa Cristina, 28009 Madrid, Spain;
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - M. Elena González García
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
- Correspondence: ; Tel.: +34-917277382
| | - Marta Ossorio-González
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - Laura Álvarez García
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - M. Auxiliadora Bajo
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - Gloria del Peso
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - Ana Castillo Plaza
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
| | - Rafael Selgas
- Nephrology Department, Hospital Universitario La Paz, 28046 Madrid, Spain; (M.O.-G.); (L.Á.G.); (M.A.B.); (G.d.P.); (A.C.P.); (R.S.)
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26
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Liu L, Lun Z, Wang B, Lei L, Sun G, Liu J, Guo Z, He Y, Song F, Liu B, Chen G, Chen S, Chen J, Liu Y. Predictive Value of Hypoalbuminemia for Contrast-Associated Acute Kidney Injury: A Systematic Review and Meta-Analysis. Angiology 2021; 72:616-624. [PMID: 33525920 DOI: 10.1177/0003319721989185] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Contrast-associated acute kidney injury (CA-AKI) is a major adverse complication of intravascular administration of contrast medium. Current studies have shown that hypoalbuminemia might be a novel risk factor of CA-AKI. This systematic review and meta-analysis was performed to evaluate the predictive value of hypoalbuminemia for CA-AKI. Relevant studies were identified in Ovid-Medline, PubMed, Embase, and Cochrane Library up to December 31, 2019. Two authors independently screened studies, consulting with a third author when necessary to resolve discrepancies. The pooled odds ratio (OR) was calculated to assess the association between hypoalbuminemia and CA-AKI using a random-effects model or fixed-effects model. Eight relevant studies involving a total of 18 687 patients met our inclusion criteria. The presence of hypoalbuminemia was associated with an increased risk of CA-AKI development (pooled OR: 2.59, 95% CI: 1.80-3.73). Hypoalbuminemia is independently associated with the occurrence of CA-AKI and may be a potentially modifiable factor for clinical intervention. This systematic review and meta-analysis was registered in PROSPERO (CRD42020168104).
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Affiliation(s)
- Liwei Liu
- The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, Guangdong, People's Republic of China.,89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China.,Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Zhubin Lun
- Department of Cardiology, Dongguan People's Hospital, Dongguan, People's Republic of China
| | - Bo Wang
- Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Li Lei
- The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, Guangdong, People's Republic of China.,89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Guoli Sun
- 89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Jin Liu
- Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Zhaodong Guo
- Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Yibo He
- Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Feier Song
- Department of Emergency and Critical Care Medicine, 89346Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Bowen Liu
- 89346Guangdong Provincial People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Guanzhong Chen
- 89346Guangdong Provincial People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Shiqun Chen
- 89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Jiyan Chen
- The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, Guangdong, People's Republic of China.,89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China.,Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Yong Liu
- The Second School of Clinical Medicine, 70570Southern Medical University, Guangzhou, Guangdong, People's Republic of China.,89346Guangdong Provincial People's Hospital affiliated with South China University of Technology, Guangzhou, Guangdong, People's Republic of China.,Department of Cardiology, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, 36721Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
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27
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Zhang ZY, Li MX, Yu H, Zhao J, Xiao FL, Xuan F, Zhao YX. Combination of Multiple Hemodialysis Modes: Better Treatment Options for Patients Under Maintenance Hemodialysis. Ther Clin Risk Manag 2021; 17:127-133. [PMID: 33542633 PMCID: PMC7853439 DOI: 10.2147/tcrm.s288023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/28/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose Chronic renal failure has become a major public health concern and treatment strategies are urgently needed. We aimed to investigate whether combination of hemodialysis modes was superior to regular hemodialysis for patients under maintenance hemodialysis. Patients and Methods A total of 144 patients with end-stage renal failure (ESRF) were enrolled in this single-center retrospective study. Patients received regular hemodialysis (HD) were included in HD group (n=52), patients received regular HD plus hemodiafiltration (HDF) in HD/HDF group (n=47), patients received the combination of regular HD, HDF and hemoperfusion (HP) in HD/HDF/HP group (n=45). After 1-month and 24-months treatment, therapeutic effects were assessed in terms of nutritional status, control of complications, dialysis adequacy, mean arterial pressure (MAP), infection rate and living quality. Results When patients received 1-month treatment, there were no statistically significant differences among three groups. After 24-months treatment, patients in HD/HDF and HD/HDF/HP group presented with better dialysis adequacy, lower MAP and infection rate, higher serum albumin, hemoglobin and calcium levels, lower serum phosphorus and intact parathyroid hormone levels, lower incidence of malnutrition and the Hamilton Depression Scale score, higher the Barthel Index score than HD group (P<0.05). The levels of calcium, phosphorus and intact parathyroid hormone in HD/HDF/HP group were lower than those in HD/HDF group (P<0.05). Conclusion Our finding highly indicated that combination of hemodialysis modes was superior to regular HD for patients with ESRF in nutritional status, control of complications, dialysis adequacy, and living quality.
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Affiliation(s)
- Zhi-Yong Zhang
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Ming-Xu Li
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Hai Yu
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Jun Zhao
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Feng-Lin Xiao
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Fang Xuan
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Yi-Xin Zhao
- Department of Nephrology, The Sixth Medical Center of PLA General Hospital, Beijing, People's Republic of China
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Noce A, Marrone G, Ottaviani E, Guerriero C, Di Daniele F, Pietroboni Zaitseva A, Di Daniele N. Uremic Sarcopenia and Its Possible Nutritional Approach. Nutrients 2021; 13:nu13010147. [PMID: 33406683 PMCID: PMC7824031 DOI: 10.3390/nu13010147] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/21/2020] [Accepted: 12/30/2020] [Indexed: 12/11/2022] Open
Abstract
Uremic sarcopenia is a frequent condition present in chronic kidney disease (CKD) patients and is characterized by reduced muscle mass, muscle strength and physical performance. Uremic sarcopenia is related to an increased risk of hospitalization and all-causes mortality. This pathological condition is caused not only by advanced age but also by others factors typical of CKD patients such as metabolic acidosis, hemodialysis therapy, low-grade inflammatory status and inadequate protein-energy intake. Currently, treatments available to ameliorate uremic sarcopenia include nutritional therapy (oral nutritional supplement, inter/intradialytic parenteral nutrition, enteral nutrition, high protein and fiber diet and percutaneous endoscopic gastrectomy) and a personalized program of physical activity. The aim of this review is to analyze the possible benefits induced by nutritional therapy alone or in combination with a personalized program of physical activity, on onset and/or progression of uremic sarcopenia.
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Affiliation(s)
- Annalisa Noce
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- Correspondence: (A.N.); (G.M.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2191 (G.M.)
| | - Giulia Marrone
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- PhD School of Applied Medical, Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
- Correspondence: (A.N.); (G.M.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2191 (G.M.)
| | - Eleonora Ottaviani
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Cristina Guerriero
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Francesca Di Daniele
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- PhD School of Applied Medical, Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Anna Pietroboni Zaitseva
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Nicola Di Daniele
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
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Boslooper-Meulenbelt K, van Vliet IMY, Gomes-Neto AW, de Jong MFC, Bakker SJL, Jager-Wittenaar H, Navis GJ. Malnutrition according to GLIM criteria in stable renal transplant recipients: Reduced muscle mass as predominant phenotypic criterion. Clin Nutr 2020; 40:3522-3530. [PMID: 33341314 DOI: 10.1016/j.clnu.2020.11.034] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/24/2020] [Accepted: 11/30/2020] [Indexed: 01/10/2023]
Abstract
BACKGROUND & AIMS Malnutrition has a negative impact on quality of life and survival in renal transplant recipients (RTR). Therefore, malnutrition detection is important in RTR, but this may be hampered by concomitant presence of weight gain and overweight. Recently, the Global Leadership Initiative on Malnutrition (GLIM) developed a set of diagnostic criteria for malnutrition. We aimed to assess the prevalence of malnutrition according to the GLIM criteria and the distribution of phenotypic criteria in RTR. Additionally, we examined the potential value of 24-h urinary creatinine excretion rate (CER) as alternative measure for the criterion reduced muscle mass. METHODS We used data from stable outpatient RTR included in the TransplantLines Cohort and Biobank Study (NCT02811835). Presence of weight loss and reduced intake or assimilation were derived from Patient-Generated Subjective Global Assessment (PG-SGA) item scores. Reduced muscle mass was assessed by multi-frequency bio-electrical impedance analysis (MF-BIA) and defined as an appendicular skeletal muscle mass index (ASMI) < 7 kg/m2 for men and <5.5 kg/m2 for women, and in additional analysis defined as creatinine-height index (CHI, based on 24 h urine CER) < 80%. Inflammation was present if C-reactive protein (CRP) was >5 mg/L. Malnutrition was defined as presence of at least one phenotypic (weight loss and/or low BMI and/or reduced muscle mass) and one etiologic criterion (reduced intake/assimilation and/or disease burden/inflammation). RESULTS We included 599 RTR (55 ± 13 years old, 62% male, BMI 27.2 ± 4.7 kg/m2) at a median of 3.1 years after transplantation. According to GLIM criteria, 14% was malnourished, of which 91% met the phenotypic criterion for reduced muscle mass. Similar results were found by using CHI as measure for muscle mass (13% malnutrition of which 79% with reduced muscle mass). CONCLUSIONS Malnutrition is present in one in 7 stable RTR, with reduced muscle mass as the predominant phenotypic criterion. Assessment of nutritional status, most importantly muscle status, is warranted in routine care, to prevent malnutrition in RTR from remaining undetected and untreated. The diagnostic value of 24-h urinary CER in this regard requires further investigation.
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Affiliation(s)
- K Boslooper-Meulenbelt
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
| | - Iris M Y van Vliet
- Department of Dietetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - António W Gomes-Neto
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Margriet F C de Jong
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Stephan J L Bakker
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Harriët Jager-Wittenaar
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Research Group Healthy Ageing, Allied Health Care and Nursing, Hanze University of Applied Sciences, Groningen, the Netherlands
| | - Gerjan J Navis
- Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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Protein Intake, Fatigue and Quality of Life in Stable Outpatient Kidney Transplant Recipients. Nutrients 2020; 12:nu12082451. [PMID: 32824065 PMCID: PMC7469059 DOI: 10.3390/nu12082451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/09/2020] [Accepted: 08/13/2020] [Indexed: 12/11/2022] Open
Abstract
Fatigue is a frequent complaint in kidney transplant recipients (KTR), often accompanied by poor quality of life (QoL). The role of nutrition as determinant of fatigue in KTR is largely unexplored. The aims of this study are to examine the association of protein intake with fatigue and QoL in KTR and to identify other determinants of fatigue. This cross-sectional study is part of the TransplantLines Cohort and Biobank Study (NCT03272841). Protein intake was calculated from urinary urea nitrogen (UUN) in 24-h urine samples. Fatigue was assessed by the Checklist Individual Strength (CIS) questionnaire; moderate and severe fatigue were defined as a CIS score of 20–34 and ≥ 35, respectively. QoL was assessed with the RAND-36-Item Health Survey (RAND-36). Associations of protein intake with fatigue and QoL were analyzed using multinomial logistic and linear regression analyses. We included 730 stable outpatient KTR (median age 58 year [IQR 48–65], 57% male) with a mean protein intake of 82.2 ± 21.3 g/d. Moderate and severe fatigue were present in 254 (35%) and 245 (34%) of KTR. Higher protein intake was significantly associated with lower risk of moderate fatigue (OR 0.89 per 10 g/d; 95%CI 0.83–0.98, p = 0.01), severe fatigue (OR 0.85; 95%CI 0.78–0.92, p < 0.001) and was associated with higher physical component summary score of QoL (β 0.74 per 10 g/d; 95%CI 0.39–1.09, p < 0.001). Higher BMI, a history of dialysis, glomerulonephritis as primary kidney disease and a history of combined organ transplantation were also associated with severe fatigue. In conclusion, amongst the potential modifiable factors of fatigue, higher protein intake is independently associated with lower risk of moderate and severe fatigue and with better QoL in KTR. These findings underline the need to incorporate nutritional assessment in the diagnostic work-up of fatigue. Intervention studies are needed to assess the benefits and safety of higher protein intake in KTR.
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Mah JY, Choy SW, Roberts MA, Desai AM, Corken M, Gwini SM, McMahon LP. Oral protein-based supplements versus placebo or no treatment for people with chronic kidney disease requiring dialysis. Cochrane Database Syst Rev 2020; 5:CD012616. [PMID: 32390133 PMCID: PMC7212094 DOI: 10.1002/14651858.cd012616.pub2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Malnutrition is common in patients with chronic kidney disease (CKD) on dialysis. Oral protein-based nutritional supplements are often provided to patients whose oral intake is otherwise insufficient to meet their energy and protein needs. Evidence for the effectiveness of oral protein-based nutritional supplements in this population is limited. OBJECTIVES The aims of this review were to determine the benefits and harms of using oral protein-based nutritional supplements to improve the nutritional state of patients with CKD requiring dialysis. SEARCH METHODS We searched the Cochrane Kidney and Transplant Register of Studies up to 12 December 2019 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov. SELECTION CRITERIA Randomised controlled trials (RCTs) of patients with CKD requiring dialysis that compared oral protein-based nutritional supplements to no oral protein-based nutritional supplements or placebo. DATA COLLECTION AND ANALYSIS Two authors independently assessed studies for eligibility, risk of bias, and extracted data from individual studies. Summary estimates of effect were obtained using a random-effects model, and results were expressed as risk ratios and their 95% confidence intervals (CI) for dichotomous outcomes, and mean difference and 95% CI for continuous outcomes. MAIN RESULTS Twenty-two studies (1278 participants) were included in this review. All participants were adults on maintenance dialysis of whom 79% were on haemodialysis (HD) and 21% peritoneal dialysis. The follow-up period ranged from one to 12 months. The majority of studies were at unclear risk of selection, performance, and reporting bias. The detection bias was high for self-reported outcomes. Oral protein-based nutritional supplements probably lead to a higher mean change in serum albumin compared to the control group (16 studies, 790 participants: MD 0.19 g/dL, 95% CI 0.05 to 0.33; moderate certainty evidence), although there was considerable heterogeneity in the combined analysis (I2 = 84%). The increase was more evident in HD participants (10 studies, 526 participants: MD 0.28 g/dL, 95% CI 0.11 to 0.46; P = 0.001 for overall effect) and malnourished participants (8 studies, 405 participants: MD 0.31 g/dL, 95% CI 0.10 to 0.52, P = 0.003 for overall effect). Oral protein-based nutritional supplements also probably leads to a higher mean serum albumin at the end of the intervention (14 studies, 715 participants: MD 0.14 g/dL, 95% CI 0 to 0.27; moderate certainty evidence), however heterogeneity was again high (I2 = 80%). Again the increase was more evident in HD participants (9 studies, 498 participants: MD 0.21 g/dL, 95% CI 0.03 to 0.38; P = 0.02 for overall effect) and malnourished participants (7 studies, 377 participants: MD 0.25 g/dL, 95% CI 0.02 to 0.47; P = 0.03 for overall effect). Compared to placebo or no supplement, low certainty evidence showed oral protein-based nutritional supplements may result in a higher serum prealbumin (4 studies, 225 participants: MD 2.81 mg/dL, 95% CI 2.19 to 3.43), and mid-arm muscle circumference (4 studies, 216 participants: MD 1.33 cm, 95% CI 0.24 to 2.43) at the end of the intervention. Compared to placebo or no supplement, oral protein-based nutritional supplements may make little or no difference to weight (8 studies, 365 participants: MD 2.83 kg, 95% CI -0.43 to 6.09; low certainty evidence), body mass index (9 studies, 368 participants: MD -0.04 kg/m2, 95% CI -0.74 to 0.66; moderate certainty evidence) and lean mass (5 studies, 189 participants: MD 1.27 kg, 95% CI -1.61 to 4.51; low certainty evidence). Due to very low quality of evidence, it is uncertain whether oral protein-based nutritional supplements affect triceps skinfold thickness, mid-arm circumference, C-reactive protein, Interleukin 6, serum potassium, or serum phosphate. There may be little or no difference in the risk of developing gastrointestinal intolerance between participants who received oral protein-based nutritional supplements compared with placebo or no supplement (6 studies, 426 participants: RR 2.81, 95% CI 0.58 to 13.65, low certainty evidence). It was not possible to draw conclusions about cost or quality of life, and deaths were not reported as a study outcome in any of the included studies. AUTHORS' CONCLUSIONS Overall, it is likely that oral protein-based nutritional supplements increase both mean change in serum albumin and serum albumin at end of intervention and may improve serum prealbumin and mid-arm muscle circumference. The improvement in serum albumin was more evident in haemodialysis and malnourished participants. However, it remains uncertain whether these results translate to improvement in nutritional status and clinically relevant outcomes such as death. Large well-designed RCTs in this population are required.
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Affiliation(s)
- Jia Yee Mah
- Integrated Renal Service, Eastern Health, Box Hill, Australia
| | - Suet Wan Choy
- Integrated Renal Service, Eastern Health, Box Hill, Australia
| | - Matthew A Roberts
- Integrated Renal Service, Eastern Health, Box Hill, Australia
- Eastern Health Clinical School, Monash University, Box Hill, Australia
| | - Anne Marie Desai
- Department of Dietetics/Renal, Eastern Health, Box Hill, Australia
| | - Melissa Corken
- Department of Dietetics/Renal, Eastern Health, Box Hill, Australia
| | - Stella M Gwini
- Department of Epidemiology and Preventive Medicine, Monash University, Clayton, Australia
| | - Lawrence P McMahon
- Integrated Renal Service, Eastern Health, Box Hill, Australia
- Eastern Health Clinical School, Monash University, Box Hill, Australia
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Luo L, Chen Q. Effect of CKD-MBD phenotype on health-related quality of life in patients receiving maintenance hemodialysis: A cross-sectional study. J Int Med Res 2020; 48:300060519895844. [PMID: 32054360 PMCID: PMC7105727 DOI: 10.1177/0300060519895844] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective This study aimed to investigate the factors influencing health-related quality of life (HRQoL) in patients with different chronic kidney disease–mineral and bone disorder (CKD–MBD) phenotypes. Methods Patients undergoing maintenance hemodialysis (MHD) at our center from 1 July to 31 August 2017 were enrolled. Patients who received hemodialysis for less than 3 months or displayed poor compliance, or those with incomplete clinical data were excluded. QoL was evaluated using the Kidney Disease Quality of Life–Short Form (KDQOL-SF™) 1.3 scale. The influential factors were stratified based on different CKB–MBD phenotypes. Results There were 296 patients enrolled. The serum intact parathyroid hormone (iPTH) concentration was 436.40 ± 490.99 pg/mL, serum calcium (Ca) concentration was 2.14 ±0.27 mmol/L, serum phosphorus (P) concentration was 1.81 ± 0.56 mmol/L, the kidney disease and dialysis-related QoL (KDTA) score was 57.07 ± 10.40, and the SF-36 score was 51.45 ± 17.62. Among patients with different CKD–MBD phenotypes, HRQoL was highest in the group with an iPTH concentration of 150 to 300 pg/mL, serum Ca concentration of <2.10 mmol/L, and serum P concentration of >1.78 mmol/L. Conclusions CKD−MBD phenotypes significantly affected HRQoL. Comprehensive management of serum iPTH, Ca, and P levels is important to improve QoL in patients receiving hemodialysis.
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Affiliation(s)
- Laimin Luo
- Department of Nephrology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, P.R. China
| | - Qinkai Chen
- Department of Nephrology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, P.R. China
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Li X, Zheng S, Wu G. Amino Acid Metabolism in the Kidneys: Nutritional and Physiological Significance. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1265:71-95. [DOI: 10.1007/978-3-030-45328-2_5] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Education and Protein Supplementation Improve Nutritional Biomarkers among Hypoalbuminemic Peritoneal Dialysis Patients: A Quasi-Experimental Design. Healthcare (Basel) 2019; 7:healthcare7040135. [PMID: 31694275 PMCID: PMC6956051 DOI: 10.3390/healthcare7040135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/31/2019] [Accepted: 11/04/2019] [Indexed: 12/31/2022] Open
Abstract
Protein-energy wasting is prevalent in peritoneal dialysis patients, which causes a heavy burden for individuals and healthcare systems. We aimed to investigate the effect of nutritional education, and/or protein supplementation on nutritional biomarkers in hypoalbuminemic peritoneal dialysis patients. A quasi-experimental study was conducted in two dialysis centers at Taipei Tzu Chi Hospital and Shin Kong Wu Ho-Su Memorial Hospital. Patients were allocated in three groups including control (n = 12), milk protein (n = 21) and soy protein (n = 20). All patients received dietary guidelines from dietitians and completed 3-day dietary records during monthly visits for consecutive three months. Nutrients were analyzed using Nutritionist Professional software. Blood urea nitrogen (BUN), creatinine, albumin, total protein, hemoglobin, serum calcium, phosphorus, sodium, and potassium were assessed monthly. Total cholesterol and triglycerides were measured every three months. After three-month intervention, protein intake (percent of total calories), and serum albumin were significantly increased in three groups. Protein, phosphorus intake, and BUN were increased in two intervention groups. Total serum protein increased in control and milk protein groups, and creatinine increased the control group. Serum phosphorus was not significantly changed. Nutritional education alone, or combined with protein supplementation, significantly improve protein intake, and nutritional status by increasing serum albumin, but not serum phosphorus in hypoalbuminemic peritoneal dialysis patients.
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Serum albumin and hospitalization among pediatric patients with end-stage renal disease who started dialysis therapy. Pediatr Nephrol 2019; 34:1799-1809. [PMID: 31218394 PMCID: PMC6776669 DOI: 10.1007/s00467-019-04270-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 02/12/2019] [Accepted: 04/25/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Hypoalbuminemia is a strong predictor of hospitalization and mortality among adult dialysis patients. However, data are scant on the association between serum albumin and hospitalization among children new to dialysis. METHODS In a retrospective cohort study of children 1-17 years old with end-stage renal disease receiving dialysis therapy in a large US dialysis organization 2007-2011, we examined the association of serum albumin with hospitalization frequency and total hospitalization days using a negative binomial regression model. RESULTS Among 416 eligible patients, median (interquartile range) age was 14 (10-16) years and mean ± SD baseline serum albumin level was 3.7 ± 0.8 g/dL. Two hundred sixty-six patients (64%) were hospitalized during follow-up with an incidence rate of 2.2 (95%CI, 1.9-2.4) admissions per patient-year. There was a U-shaped association between serum albumin and hospitalization frequency; hospitalization rates (95%CI) were 2.7 (2.2-3.2), 1.9 (1.5-2.4), 1.6 (1.3-1.9), and 2.7 (1.7-3.6) per patient-year among patients with serum albumin levels < 3.5, 3.5- < 4.0, 4.0- < 4.5, and ≥ 4.5 g/dL, respectively. Case mix-adjusted hospitalization incidence rate ratios (IRRs) (95%CI) were 1.63 (1.24-2.13), 1.32 (1.10-1.58), and 1.25 (1.06-1.49) at serum albumin levels 3.0, 3.5, and 4.5 g/dL, respectively (reference: 4.0 g/dL). Similar trends were observed in hospitalization days. These associations remained robust against further adjustment for laboratory variables associated with malnutrition and inflammation. CONCLUSIONS Both high and low serum albumin were associated with higher hospitalization in children starting dialysis. Because the observed association is novel and not fully explainable especially for high serum albumin levels, interpreting the results requires caution and further studies are needed to confirm and elucidate this association before clinical recommendations are made.
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Bataille S, Bon J, Kolko A, Chauveau P, Cluze J, Orthwein-Finck M, Mouelhi Y, Mira M. Prise en charge pratique de la dénutrition des patients hémodialysés en France : enquête nationale. Nephrol Ther 2019; 15:136-142. [DOI: 10.1016/j.nephro.2018.11.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/05/2018] [Accepted: 11/10/2018] [Indexed: 01/10/2023]
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The Effect of Ketoanalogues on Chronic Kidney Disease Deterioration: A Meta-Analysis. Nutrients 2019; 11:nu11050957. [PMID: 31035482 PMCID: PMC6566830 DOI: 10.3390/nu11050957] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/22/2019] [Accepted: 04/24/2019] [Indexed: 12/17/2022] Open
Abstract
The effects of ketoanalogues (KA) on chronic kidney disease (CKD) deterioration have not yet been fully confirmed. To strengthen the evidence of the role of KA in CKD, PubMed and Embase were searched for studies published through February 2019. Effect sizes from ten randomized control trials (RCTs) and two non-RCTs comprising a total of 951 patients were pooled and analyzed. A restricted protein diet supplemented with ketoanalogues (RPKA) was found to significantly delay the progression of CKD (p = 0.008), particularly in patients with an estimated glomerular filtration rate (eGFR) > 18 mL/min/1.73 m2 (p < 0.0001). No significant change in eGFR was found when comparing a very-low-protein diet and a low-protein diet (p = 0.10). In addition, compared with the placebo, RPKA did not cause malnutrition (albumin: p = 0.56; cholesterol: p = 0.50). Moreover, RPKA significantly decreased phosphorous levels (p = 0.001), increased calcium levels (p = 0.04), and decreased parathyroid hormone (PTH) levels (p = 0.05) in patients with eGFR < 18 mL/min/1.73 m2. In conclusion, RPKA could slow down the progression of CKD in patients with eGFR > 18 mL/min/1.73 m2 without causing malnutrition and reverse CKD-MBD in patients with eGFR < 18 mL/min/1.73 m2.
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Lipid Accumulation and Chronic Kidney Disease. Nutrients 2019; 11:nu11040722. [PMID: 30925738 PMCID: PMC6520701 DOI: 10.3390/nu11040722] [Citation(s) in RCA: 197] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/25/2019] [Accepted: 03/26/2019] [Indexed: 12/12/2022] Open
Abstract
Obesity and hyperlipidemia are the most prevalent independent risk factors of chronic kidney disease (CKD), suggesting that lipid accumulation in the renal parenchyma is detrimental to renal function. Non-esterified fatty acids (also known as free fatty acids, FFA) are especially harmful to the kidneys. A concerted, increased FFA uptake due to high fat diets, overexpression of fatty acid uptake systems such as the CD36 scavenger receptor and the fatty acid transport proteins, and a reduced β-oxidation rate underlie the intracellular lipid accumulation in non-adipose tissues. FFAs in excess can damage podocytes, proximal tubular epithelial cells and the tubulointerstitial tissue through various mechanisms, in particular by boosting the production of reactive oxygen species (ROS) and lipid peroxidation, promoting mitochondrial damage and tissue inflammation, which result in glomerular and tubular lesions. Not all lipids are bad for the kidneys: polyunsaturated fatty acids (PUFA) such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) seem to help lag the progression of chronic kidney disease (CKD). Lifestyle interventions, especially dietary adjustments, and lipid-lowering drugs can contribute to improve the clinical outcome of patients with CKD.
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Hsiung JT, Kleine CE, Naderi N, Park C, Soohoo M, Moradi H, Rhee CM, Obi Y, Kopple JD, Kovesdy CP, Kalantar-Zadeh K, Streja E. Association of Pre-End-Stage Renal Disease Serum Albumin With Post-End-Stage Renal Disease Outcomes Among Patients Transitioning to Dialysis. J Ren Nutr 2019; 29:310-321. [PMID: 30642656 DOI: 10.1053/j.jrn.2018.09.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 08/23/2018] [Accepted: 09/24/2018] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE Serum albumin is a marker of malnutrition and inflammation and has been demonstrated as a strong predictor of mortality in chronic kidney disease (CKD) and end-stage renal disease (ESRD) patients. Yet, whether serum albumin levels in late-stage CKD are associated with adverse outcomes after the transition to ESRD is unknown. We hypothesize that lower levels and a decline in serum albumin in late-stage CKD are associated with higher risk of mortality and hospitalization rates 1 year after transition to ESRD. DESIGN AND METHODS This retrospective cohort study included 29,124 US veterans with advanced CKD transitioning to ESRD between 2007 and 2015. We evaluated the association of pre-ESRD (91 days before transition) serum albumin with 12-month post-ESRD all-cause, cardiovascular, and infection-related mortalities and hospitalization rates as well as the association of 1-year pre-ESRD albumin slope and 12-month post-ESRD mortality using hierarchical multivariable adjustments. RESULTS There was a negative linear association between serum albumin and all-cause mortality, such that risk doubled (hazard ratio [HR]: 2.07, 95% confidence interval [CI]: 1.87, 2.28) for patients with the lowest serum albumin <2.8 g/dL (ref: ≥4.0 g/dL) after full adjustment. A consistent relationship was observed between serum albumin and cardiovascular and infection-related mortality, and hospitalization outcomes. An increase in serum albumin of >0.25 g/dL/year was associated with reduced mortality risk (HR: 0.76, 95% CI: 0.63, 0.91) compared with a slight decline in albumin (ref: >-0.25 to 0 g/dL/year), whereas a decline more than 0.5 g/dL/year was associated with a 55% higher risk in mortality (HR: 1.55, 95% CI: 1.43, 1.68) in fully adjusted models. CONCLUSIONS Lower pre-ESRD serum albumin was associated with higher post-ESRD all-cause, cardiovascular, and infection-related mortalities and hospitalization rates. Declining serum albumin levels in the pre-ESRD period were also associated with worse 12-month post-ESRD mortality.
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Affiliation(s)
- Jui-Ting Hsiung
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California
| | - Carola-Ellen Kleine
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California
| | - Neda Naderi
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Department of Internal Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Christina Park
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California
| | - Melissa Soohoo
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California
| | - Hamid Moradi
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California
| | - Connie M Rhee
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California
| | - Yoshitsugu Obi
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California
| | - Joel D Kopple
- Division of Nephrology and Hypertension, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, David Geffen School of Medicine at UCLA, Los Angeles, California; UCLA Fielding School of Public Health, Los Angeles, California
| | - Csaba P Kovesdy
- Division of Nephrology, University of Tennessee Health Science Center, Memphis, Tennessee; Nephrology Section, Memphis VA Medical Center, Memphis, Tennessee
| | - Kamyar Kalantar-Zadeh
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California; UCLA Fielding School of Public Health, Los Angeles, California
| | - Elani Streja
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, Department of Medicine, University of California Irvine, School of Medicine, Orange, California; Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California.
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Małgorzewicz S, Gałęzowska G, Cieszyńska-Semenowicz M, Ratajczyk J, Wolska L, Rutkowski P, Jankowska M, Rutkowski B, Dębska- Ślizień A. Amino acid profile after oral nutritional supplementation in hemodialysis patients with protein-energy wasting. Nutrition 2019; 57:231-236. [DOI: 10.1016/j.nut.2018.06.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 05/21/2018] [Accepted: 06/29/2018] [Indexed: 12/18/2022]
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Lin TY, Peng CH, Hung SC, Tarng DC. Body composition is associated with clinical outcomes in patients with non-dialysis-dependent chronic kidney disease. Kidney Int 2018; 93:733-740. [PMID: 29102374 DOI: 10.1016/j.kint.2017.08.025] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/20/2017] [Accepted: 08/24/2017] [Indexed: 10/18/2022]
Abstract
An inverse relationship between body mass index (BMI) and mortality (the obesity paradox) has been found in patients with non-dialysis-dependent chronic kidney disease (CKD). However, it is unclear whether increased muscle mass or body fat confers the survival advantage. To resolve this we investigated the impact of body makeup on a composite outcome of death or cardiovascular events in a prospective cohort of 326 patients with stage 3-5 CKD not yet on dialysis. Lean mass and body fat were determined using the Body Composition Monitor, a multifrequency bioimpedance spectroscopy device, and were expressed as the lean tissue or fat tissue index, respectively. Patients were stratified as High (above median) or Low (below median) BMI, High or Low lean tissue index, or as High or Low fat tissue index. During a median follow-up of 4.6 years, there were 40 deaths and 68 cardiovascular events. In Cox proportional hazards models, a High lean tissue index, but not High BMI or High fat tissue index, predicted a lower risk of both the composite or its component outcomes (reference: below median). When patients were further stratified into four distinct body composition groups based on both the lean and fat tissue index, only the High lean/fat tissue index group had a significantly lower risk of the composite outcome (hazard ratio 0.36, 95% confidence interval 0.14-0.87; reference: Low lean/fat tissue index group). Thus, the lean tissue index can provide better risk prediction than the BMI alone in non-dialysis-dependent patients with CKD. The High lean/fat tissue index appears to be associated with best outcomes. An optimal body composition for improving the prognosis of CKD needs to be determined.
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Affiliation(s)
- Ting-Yun Lin
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Ching-Hsiu Peng
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Szu-Chun Hung
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien, Taiwan.
| | - Der-Cherng Tarng
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Institutes of Physiology and Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.
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Nutritional Assessment of Dialysis Patient with a Web-Based Tool Allows More Accurate Treatment of Malnutrition. Pril (Makedon Akad Nauk Umet Odd Med Nauki) 2018; 39:37-43. [PMID: 30864367 DOI: 10.2478/prilozi-2018-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND/AIMS Regular assessment of nutritional status of dialysis patients is vital for preventing malnutrition and protein energy wasting. The aim of this clinical study was to analyze dietary intake of dialysis patients and to determine if it meets their nutritional needs. METHODS Clinical study was conducted on 30 randomly selected dialysis patients in the dialysis department of the University Medical Centre Ljubljana. Nutritional interview was conducted unannounced five times over a period of three months with the 24-hour recall method. Results were analyzed with Prodi 6.6 Expert software. Body composition was measured with bioimpedance spectroscopy. RESULTS Average caloric intake of 30 patients is 14.1 ± 4.7 kcal/kg body weight per day, average protein intake is 0.61 ± 0.19 g/kg body weight per day. The average BMI (body mass index) is 27.9 ± 4.4 kg/m2, the average LTI (lean tissue index) is 12.5 ± 3.1 kg/m2, the average FTI (fat tissue index) is 14.2 ± 5.7 kg/m2 and the average phase angle is 4.2 ± 1.0. Average calorie intake and protein intake are inadequate according to the dietary recommendations for dialysis patients. Anthropometric measurements indicate sarcopenic obesity. CONCLUSION According to the aim of the study, we confirmed that caloric and protein intake of dialysis patients were inadequate according to their needs. Depending on the results of nutritional analysis and bioimpedance measurements, we have confirmed the presence of protein energy wasting among observed patients.
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Impact du renforcement de la prise en charge nutritionnelle du patient en hémodialyse chronique par ajout d’œufs durs en collation. Nephrol Ther 2018; 14:531-535. [DOI: 10.1016/j.nephro.2018.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 02/23/2018] [Accepted: 02/28/2018] [Indexed: 11/21/2022]
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Wang XF, Zhang BH, Lu XQ, Wang P. Efficacy of different hemodialysis methods on dendritic cell marker CD40 and CD80 and platelet activation marker CD62P and P10 in patients with chronic renal failure. J Clin Lab Anal 2018; 33:e22713. [PMID: 30499177 DOI: 10.1002/jcla.22713] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/29/2018] [Accepted: 10/16/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Chronic renal failure (CRF) has become a major public health concern, which increases the risk of stroke and systemic thromboembolism. Therefore, therapeutic strategies are in urgent requirement. This study was conducted for investigating efficacy of hemodialysis (HD), hemodiafiltration (HDF), and hemoperfusion (HP) in patients with CRF and the correlation with the presence of complications following HD therapy. METHODS The therapeutic effect, living quality, biochemical indicators, and dry weight were detected before and after the treatment regimens. Flow cytometry was conducted to detect expressions of dendritic cell markers (CD40 and CD80) and platelet activation markers (CD62P and P10), and the relationship between their expression and therapeutic effect as well as the association of these expressions with complications was analyzed. RESULTS After HD therapy, patients presented with decreased serum creatinine, serum phosphorus, triglyceride, parathyroid hormone, and β2 -MG expression; increased hemoglobin, plasma albumin expressions, and dry weight; and enhanced therapeutic effect and living quality. CD62P and P10 expressions decreased, while CD40 and CD80 expressions increased following HD therapy. The therapeutic effect improved in patients with low expressions of CD40 and CD80 and high expressions of CD62P and P10 following HP treatment and complications were lower after treatment of HDF and HP. CONCLUSION The aforementioned results indicated that CRF patients treated with HP exhibited higher expression of CD40 and CD80 and lower expression of CD62P and P10, suggesting that HP is conferred to have better efficacy than HDF and HD. Therefore, HP may be a promising clinical regimen for treatment of CRF patients.
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Affiliation(s)
- Xin-Fang Wang
- Department of Blood Purification, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bei-Hao Zhang
- Department of Blood Purification, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiao-Qing Lu
- Department of Blood Purification, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Pei Wang
- Department of Blood Purification, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Comparison of Body Composition Assessed by Multi-Frequency Segmental Bioelectrical Impedance Analysis and Dual Energy X-Ray Absorptiometry in Hemodialysis Patients. Nephrourol Mon 2018. [DOI: 10.5812/numonthly.83835] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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Choi MS, Kistler B, Wiese GN, Stremke ER, Wright AJ, Moorthi RN, Moe SM, Hill Gallant KM. Pilot Study of the Effects of High-Protein Meals During Hemodialysis on Intradialytic Hypotension in Patients Undergoing Maintenance Hemodialysis. J Ren Nutr 2018; 29:102-111. [PMID: 30107974 DOI: 10.1053/j.jrn.2018.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/11/2018] [Accepted: 06/08/2018] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE Patients undergoing hemodialysis (HD) have high protein and energy requirements, and protein-energy wasting is common and associated with poor outcomes. Eating during dialysis may improve nutritional status by counteracting the catabolic effects of HD treatment; but eating during HD may be discouraged because of concerns of postprandial hypotension. However, little data are available to support this practice. In this study, we hypothesized that high-protein meals during HD do not lead to symptomatic intradialytic hypotension events. DESIGN A 9-week, nonrandomized, parallel-arm study. SETTING A single in-center HD clinic. SUBJECTS Eighteen patients undergoing HD from 2 shifts completed the study. Patients were aged 62 ± 16 years with dialysis vintage of 3.4 ± 2.6 years. INTERVENTION Patients in the intervention group (n = 9) undergoing HD received meals of ∼30 g protein and ∼1/3 daily recommended intakes of sodium, potassium, phosphorus, and fluid during dialysis for 25 consecutive HD sessions. The control group (n = 9) completed all aspects of the study including a visit by study personnel but were not given meals. The 25 consecutive sessions before the start of the intervention/control phase were used as a baseline comparison for each patient. MAIN OUTCOME MEASURE Symptomatic hypotension event frequency. RESULTS In the intervention arm, there were 19 symptomatic hypotension events in 5 patients prestudy and 18 events in 6 patients during the study. In the control arm, there were 16 events in 7 patients prestudy and 13 events in 7 patients during the study. Change in the frequency of symptomatic hypotension events from prestudy to during study was not different between groups (P = .71). There was no effect of meals on nutritional status, but patients reported positive attitudes toward receiving meals during dialysis. CONCLUSION High-protein meals during HD did not increase symptomatic hypotension events. Larger, longer term studies are needed to confirm these results and evaluate whether high-protein meals on dialysis benefit nutritional status and clinical outcomes.
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Affiliation(s)
- Mun Sun Choi
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Brandon Kistler
- Department of Nutrition and Health Science, Ball State University, Muncie, Indiana
| | - Gretchen N Wiese
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | | | - Amy J Wright
- Indiana Clinical and Translational Science Institute, Department of Nutrition Science, Purdue University, West Lafayette, Indiana
| | - Ranjani N Moorthi
- Department of Medicine/Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Sharon M Moe
- Department of Medicine/Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana; Roudebush Veterans Administration Medical Center, Indianapolis, Indiana
| | - Kathleen M Hill Gallant
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana; Department of Medicine/Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana.
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Sabatino A, Piotti G, Cosola C, Gandolfini I, Kooman J, Fiaccadori E. Dietary protein and nutritional supplements in conventional hemodialysis. Semin Dial 2018; 31:583-591. [DOI: 10.1111/sdi.12730] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Alice Sabatino
- Division of Nephrology; Department of Medicine and Surgery; University of Parma; Parma Italy
| | - Giovanni Piotti
- Division of Nephrology; Department of Medicine and Surgery; University of Parma; Parma Italy
| | - Carmela Cosola
- Department of Emergency and Organ Transplantation; Nephrology, Dialysis and Transplantation Unit; University of Bari Aldo Moro; Bari Italy
| | - Ilaria Gandolfini
- Division of Nephrology; Department of Medicine and Surgery; University of Parma; Parma Italy
| | | | - Enrico Fiaccadori
- Division of Nephrology; Department of Medicine and Surgery; University of Parma; Parma Italy
- Postgraduate School of Nephrology; University of Parma; Parma Italy
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Rhee CM, You AS, Koontz Parsons T, Tortorici AR, Bross R, St-Jules DE, Jing J, Lee ML, Benner D, Kovesdy CP, Mehrotra R, Kopple JD, Kalantar-Zadeh K. Effect of high-protein meals during hemodialysis combined with lanthanum carbonate in hypoalbuminemic dialysis patients: findings from the FrEDI randomized controlled trial. Nephrol Dial Transplant 2018; 32:1233-1243. [PMID: 27659126 DOI: 10.1093/ndt/gfw323] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 08/01/2016] [Indexed: 12/18/2022] Open
Abstract
Background Inadequate protein intake and hypoalbuminemia, indicators of protein-energy wasting, are among the strongest mortality predictors in hemodialysis patients. Hemodialysis patients are frequently counseled on dietary phosphorus restriction, which may inadvertently lead to decreased protein intake. We hypothesized that, in hypoalbuminemic hemodialysis patients, provision of high-protein meals during hemodialysis combined with a potent phosphorus binder increases serum albumin without raising phosphorus levels. Methods We conducted a randomized controlled trial in 110 adults undergoing thrice-weekly hemodialysis with serum albumin <4.0 g/dL recruited between July 2010 and October 2011 from eight Southern California dialysis units. Patients were randomly assigned to receive high-protein (50-55 g) meals during dialysis, providing 400-500 mg phosphorus, combined with lanthanum carbonate versus low-protein (<1 g) meals during dialysis, providing <20 mg phosphorus. Prescribed nonlanthanum phosphorus binders were continued over an 8-week period. The primary composite outcome was a rise in serum albumin of ≥0.2 g/dL while maintaining phosphorus between 3.5-<5.5 mg/dL. Secondary outcomes included achievement of the primary outcome's individual endpoints and changes in mineral and bone disease and inflammatory markers. Results Among 106 participants who satisfied the trial entrance criteria, 27% ( n = 15) and 12% ( n = 6) of patients in the high-protein versus low-protein hemodialysis meal groups, respectively, achieved the primary outcome (intention-to-treat P-value = 0.045). A lower proportion of patients in the high-protein versus low-protein intake groups experienced a meaningful rise in interleukin-6 levels: 9% versus 31%, respectively (P = 0.009). No serious adverse events were observed. Conclusion In hypoalbuminemic hemodialysis patients, high-protein meals during dialysis combined with lanthanum carbonate are safe and increase serum albumin while controlling phosphorus.
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Affiliation(s)
- Connie M Rhee
- Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California Irvine School of Medicine, Orange, CA, USA
| | - Amy S You
- Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California Irvine School of Medicine, Orange, CA, USA
| | - Tara Koontz Parsons
- Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Amanda R Tortorici
- Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California Irvine School of Medicine, Orange, CA, USA
| | - Rachelle Bross
- Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA, USA
| | - David E St-Jules
- Center for Healthful Behavior Change, New York University School of Medicine, New York, NY, USA
| | - Jennie Jing
- Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California Irvine School of Medicine, Orange, CA, USA
| | - Martin L Lee
- UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | | | - Csaba P Kovesdy
- Division of Nephrology, University of Tennessee Health Science Center, Memphis, TN, USA.,Nephrology Section, Memphis Veterans Affairs Medical Center, Memphis, TN, USA
| | - Rajnish Mehrotra
- Kidney Research Institute and Harborview Medical Center, Division of Nephrology, University of Washington, Seattle, WA, USA
| | - Joel D Kopple
- UCLA Fielding School of Public Health, Los Angeles, CA, USA.,Division of Nephrology and Hypertension, Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA, USA.,David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Kamyar Kalantar-Zadeh
- Harold Simmons Center for Chronic Disease Research and Epidemiology, University of California Irvine School of Medicine, Orange, CA, USA.,Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA, USA.,UCLA Fielding School of Public Health, Los Angeles, CA, USA
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Benner D, Brunelli SM, Brosch B, Wheeler J, Nissenson AR. Effects of Oral Nutritional Supplements on Mortality, Missed Dialysis Treatments, and Nutritional Markers in Hemodialysis Patients. J Ren Nutr 2017; 28:191-196. [PMID: 29221626 DOI: 10.1053/j.jrn.2017.10.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 09/13/2017] [Accepted: 10/16/2017] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Protein-energy wasting is common in end-stage renal disease patients undergoing dialysis and is strongly associated with mortality and adverse outcomes. Intradialytic oral nutritional supplements (ONS) reduce risk of mortality in these patients. Large studies characterizing the impact of ONS on other outcomes are lacking. We assessed the associations between administration of ONS and clinical and nutritional outcomes. DESIGN Retrospective evaluation of a pilot program providing ONS to patients at a large dialysis organization in the United States. The pilot program provided ONS to in-center hemodialysis patients with serum albumin ≤3.5 g/dL at 408 facilities. SUBJECTS ONS patients were compared to matched controls with serum albumin ≤3.5 g/dL, identified from facilities not participating in the ONS program (n = 3,374 per group). INTERVENTION Receipt of ONS. MAIN OUTCOME MEASURES Death, missed dialysis treatments, hospitalizations, serum albumin, normalized protein catabolic rate, and postdialysis body weight were abstracted from large dialysis organization electronic medical records. RESULTS There was a 69% reduction in deaths (hazard ratio = 0.31; 95% confidence interval = 0.25-0.39), and 33% fewer missed dialysis treatments (incidence rate ratio = 0.77; 95% confidence interval = 0.73-0.82) among ONS patients compared to controls (P < .001 for both). The effects of ONS on nutritional indices were mixed: serum albumin was lower, whereas normalized protein catabolic rate values, a surrogate for dietary protein intake, and postdialysis body weights were higher for ONS patients compared to controls during follow-up. CONCLUSIONS Our evaluation confirmed the beneficial effects of ONS in reducing mortality and improving some indices of nutritional status for hypoalbuminemic hemodialysis patients. We also report the novel finding that ONS can reduce the number of missed dialysis treatments. These results support the use of intradialytic ONS as an effective intervention to improve the outcomes in hemodialysis patients with low serum albumin.
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Affiliation(s)
| | | | | | | | - Allen R Nissenson
- DaVita Inc, Denver, Colorado; David Geffen School of Medicine, University of California, Los Angeles, California
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Low-protein diet supplemented with ketoacids delays the progression of diabetic nephropathy by inhibiting oxidative stress in the KKAy mice model. Br J Nutr 2017; 119:22-29. [PMID: 29208058 DOI: 10.1017/s0007114517003208] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Diabetic nephropathy (DN) is a major cause of chronic kidney disease. We aimed to investigate the effect of the low-protein diets (LPD) supplemented with ketoacids (LPD+KA) in KKAy mice, an early type 2 DN model. KKAy mice were treated with normal protein diet (NPD), LPD or LPD+KA from 12 to 24 weeks of age. A period of 12-week treatment with LPD significantly reduced albuminuria as compared with that observed after NPD treatment. Treatment with LPD+KA further reduced albuminuria as compared with that observed with LPD treatment alone. Moreover, LPD treatment reduced mesangial expansion, thickness of glomerular basement membrane and the severity of the podocyte foot process effacement in KKAy mice; these effects were more pronounced in KKAy mice treated with LPD+KA. Both LPD and LPD+KA treatments slightly reduced total body weight, but had no significant effect on kidney weight and blood glucose concentrations when compared with NPD-treated KKAy mice. LPD treatment slightly attenuated oxidative stress in kidneys as compared with that observed in NPD-treated KKAy mice; however, LPD+KA treatment remarkably ameliorated oxidative stress in diabetic kidneys as shown by decreased malondialdehyde concentrations, protein carbonylation, nitrotyrosine expression and increased superoxide dismutase expression. Nutritional therapy using LPD+KA confers additional renal benefits as compared with those of LPD treatment alone in early type 2 DN through inhibition of oxidative stress.
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