Phosphorus and Calcium

Kraft, Michael D.

doi:10.1177/0884533614565251

Cited by 28 publications

(12 citation statements)

References 99 publications

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“…In addition, it was shown that serum calcium concentration and urinary calcium excretion were increased by 3% ferric citrate treatment, being similar with non-clinical study results about ferric citrate hydrate [8]. Phosphorus and calcium homeostasis is strictly regulated mainly by kidney, bone, intestine and parathyroid glands [9]. Increases in serum phosphorus can lead to a decrease in serum ionized calcium.…”

Section: Discussionsupporting

confidence: 75%

Conventional and novel impacts of ferric citrate on iron deficiency anemia and phosphorus metabolism in rats

Iida

Matsushita

Ohta

et al. 2020

The Journal of Veterinary Medical Science

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Ferric citrate is an oral iron-based phosphate binder, being known to affect iron status and improve iron deficiency anemia (IDA) in chronic kidney disease (CKD) patients. We examined whether oral administration of ferric citrate could change iron status and improve anemia without affecting phosphorus metabolism in iron deficiency anemia rats. In Normal rat study, normal rats were fed a diet containing 0.3 or 3% ferric citrate for 11 days for setting the dose and administration period of ferric citrate. The effects of ferric citrate on iron status-and phosphorus metabolism-related parameters were evaluated using blood and urine samples. Next, an iron deficiency anemia was induced by feeding iron-depleted diet in rats. After 7 days of starting the iron-depleted diet, 0.3% ferric citrate was administered for 7 days by dietary admixture. Iron status-and phosphorus metabolism-related parameters were evaluated with blood and urine samples. In Normal rat study, 3% ferric citrate treatment increased serum iron level and transferrin saturation (TSAT), and decreased serum phosphorus level, intact fibroblast growth factor 23 (iFGF23) level, and urinary phosphorus excretion, but 0.3% ferric citrate treatment showed no effects. On the other hand, in Iron deficiency anemia rat study, 0.3% ferric citrate treatment increased iron status-related parameters and improved anemia, but did not show any apparent changes in phosphorus metabolism-related parameters. In conclusion, ferric citrate could have hematopoietic effects without affecting phosphorus metabolism, and could be a potential option for the treatment of IDA in patients without CKD.

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Section: Discussionsupporting

confidence: 75%

Conventional and novel impacts of ferric citrate on iron deficiency anemia and phosphorus metabolism in rats

Iida

Matsushita

Ohta

et al. 2020

The Journal of Veterinary Medical Science

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“…The obvious advantages of using serum markers are that they are relatively cheap, easy to obtain, and have a low patient burden. However, serum potassium and phosphate are strongly influenced by non-dietary factors such as residual renal function [ 112 , 113 ], constipation [ 114 ]; adherence to prescribed medications [ 115 , 116 ], acid base balance [ 117 ] and time between treatments [ 118 ], making them unreliable and inaccurate markers of dietary adherence [ 119 – 121 ]. Future studies of dietary adherence in ESKD should ideally attempt to use direct observation and immediate quantification of dietary intake to provide the most accurate data on dietary intake.…”

Section: Discussionmentioning

confidence: 99%

An integrative review of the methodology and findings regarding dietary adherence in end stage kidney disease

2017

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BackgroundDietary modification is an important component of the management of end stage kidney disease (ESKD). The diet for ESKD involves modifying energy and protein intake, and altering sodium, phosphate, potassium and fluid intake. There have been no comprehensive reviews to date on this topic. The aims of this integrative review were to (i) describe the methods used to measure dietary adherence (ii) determine the rate of dietary adherence and (iii) describe factors associated with dietary adherence in ESKD.MethodsThe Web of Science and Scopus databases were searched using the search terms ‘adherence’ and ‘end stage kidney disease’. Of the 787 potentially eligible papers retrieved, 60 papers of 24,743 patients were included in this review. Of these papers, 44 reported the rate of dietary adherence and 44 papers described factors associated with adherence.ResultsMost of the evidence regarding dietary adherence is derived from studies of hemodialysis patients (72% of patients). The most common method of measuring dietary adherence in ESKD was subjective techniques (e.g. food diaries or adherence questionnaires). This was followed by indirect methods (e.g. serum potassium, phosphate or interdialytic weight gain). The weighted mean adherence rate to ESKD dietary recommendations was 31.5% and 68.5% for fluid recommendations. Adherence to protein, sodium, phosphate, and potassium recommendations were highly variable due to differences in measurement methods used, and were often derived from a limited evidence base. Socioeconomic status, age, social support and self-efficacy were associated with dietary adherence. However, factors such as taste, the impact of the diet on social eating occasions; and dietetic staffing also appear to play a role in dietary adherence.ConclusionDietary adherence rates in people with ESKD are suboptimal. Further research is required on dietary adherence in patients with ESKD from different social, educational, economic and ethnic groups. This research may identify other factors which may impact upon adherence, and could be used to inform the design of future strategies to improve dietary adherence. Future research that reports not just the rate of adherence to individual components of the nutrient prescription but also the overall quality of the diet would be useful.

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“…The importance of phosphorus, especially the role that it plays in the formation of adenosine triphosphate and 3-2 diphosphoglycerate, is related to the point that phosphorus is a very important component of supportive nutrition for patients [ 29 ]. Refeeding syndrome is one of the important issues in the feeding of malnourished patients.…”

Section: Discussionmentioning

confidence: 99%

Comparison of the Effect of Enteral Feeding through the Bolus and Continuous Methods on Serum Phosphorus and Glucose Levels in Patients with Mechanical Ventilation: A Randomized Clinical Trial

Seyyedi

Rooddehghan

Mohammadi

et al. 2020

Journal of Nutrition and Metabolism

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Introduction. Patients who are under mechanical ventilation in intensive care units need to have nutritional support. Also, feeding methods affect serum phosphorus and glucose levels, which are very important in weaning patients off the ventilator. Thus, this study is to compare the effects of both bolus and continuous enteral feeding methods on serum phosphorus and glucose levels in patients with mechanical ventilation. Methods. In this clinical trial study, 34 patients in the intensive care unit of Imam Khomeini Hospital affiliated to the Tehran University of Medical Sciences satisfied inclusion criteria and were randomly divided into control and intervention groups. Sampling was done between October and February 2018. The intervention group received continuous enteral feeding for one week, and the control group received nutrition by the bolus method. The blood glucose level was measured every six hours, and the serum phosphorus level was recorded at the beginning and the end of the intervention, based on the data entry form with respect to all ethical considerations. Data analysis was done by SPSS-20 software. Results. The serum phosphorus level was significantly increased in the intervention group (P=0.004) and in the control group (P<0.001) and was compared with the previous intervention. No significant difference was found between the intervention and control groups before and after the intervention (P=0.22) and also one week after the intervention (P=0.14). There was also no significant difference between the glucose levels from day 1 to day 7 in the control group (P=0.33) and the intervention group (P=0.086). Discussion. Nutritional support in both bolus and continuous methods increased the serum phosphorus level. It indicates the importance of the nutritional method in controlling the phosphorus level in critically ill patients. However, there was no difference between the effects of dietary methods on blood glucose control.

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Phosphorus and Calcium

Cited by 28 publications

References 99 publications

Conventional and novel impacts of ferric citrate on iron deficiency anemia and phosphorus metabolism in rats

Conventional and novel impacts of ferric citrate on iron deficiency anemia and phosphorus metabolism in rats

An integrative review of the methodology and findings regarding dietary adherence in end stage kidney disease

Comparison of the Effect of Enteral Feeding through the Bolus and Continuous Methods on Serum Phosphorus and Glucose Levels in Patients with Mechanical Ventilation: A Randomized Clinical Trial

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