Journal List > J Korean Soc Transplant > v.29(2) > 1034480

Han, Joon, Dong, Jin, Seung, Yong, Yong, Won, and Joong: Dietary Analysis of Kidney Transplant Patients Who Eat Korean Foods: Single Center Study

Abstract

Background

Although nutritional problems associated with dialysis are well described, nutritional problems after renal transplantation have received little attention. Nutrition interventions play an important role in prevention and management of common health problems associated with renal transplantation such as obesity, hypertension, diabetes, and cardiovascular disease.

Methods

Sixty-four kidney transplant recipients who received post-transplant management at our hospital replied to the questionnaire. The questionnaire included 102 questions on the amount and types of Korean foods that they consumed last week. Nutritional elements of diet in renal transplant patients who consume Korean food were analyzed on the basis of the survey.

Results

The mean energy and protein of daily intake were 2,088±1,016 kcal and 75.5±38.2 g. Patients’ diets were generally sufficient, but characterized by deficiencies in vitamin B2, vitamin D, niacin, calcium, and magnesium intake.

Conclusions

Dietary advice is required with regard to intake of some nutritional elements for kidney transplant recipients who consume Korean foods. Their main nutritional problem is obesity after transplantation. Attention should be paid to prevention of nutritional imbalance.

References

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Table 1.
Characteristics of study participants
Characteristic Value
Number 64
Age (yr) 56.5±19.5
Gender, male/female 43/21 (67.2/32.8)
Transplant age (mo) 145.4±73.6
Weight at transplantation (kg) 62.6±13.0
Weight at study time (kg) 64.3±11.8
BMI at transplantation (kg/m2) 22.1±3.2
BMI at study time (kg/m2) 22.7±3.0
Fat weight at study time (kg) 14.5±8.8
Percentage fat at study time (%) 21.0±12.1
Lean body mass at study time (kg) 49.8±6.2
Etiology  
  Glomerulonephritis/nephropathy 48 (75.0)
  IgA nephropathy 3 (4.7)
  Hypertension 0
  Diabetes mellitus 5 (7.8)
  Obstructive uropathy 1 (1.6)
  Unknown and others 2 (3.1)
  Graft failure (more than 2nd KT) 6 (9.4)
Type of donor, LR/LUR/D 40/15/9 (62.5/23.4/14.1)
Blood urea nitrogen (mmol/L) a 8.0±5.4
Plasma creatinine ( mol/L) a 133.6±83.5
Creatinine clearance (mL/min) a 67.9±29.1
Plasma protein (g/L) a 70.2±6.5
Plasma albumin (g/L) a 42.5±4.4
Serum hemoglobin (g/dL) a 13.1±1.9
Fasting plasma glucose (mmol/L) a 5.9±1.8
HbA1c (%) a  
  Non-diabetes (n=38) 5.3±0.4
  NODAT (n=21) 6.4±1.3
  Diabetes mellitus (n=5) 8.3±2.1
Plasma total cholesterol (mmol/L) a 5.1±1.2
Plasma LDL-C (mmol/L) a 2.9±0.9
Plasma HDL-C (mmol/L) a 1.5±0.4
Plasma triglycerides (mmol/L) a 1.9±1.6

Data are presented as mean±SD or number (%).

Abbreviations: BMI, body mass index; IgA, immunoglobulin A; KT, kidney transplantation; LR, living related; LUR, living unrelated; D, deceased; NODAT, new onset diabetes after transplantation; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol.

a At study time.

Table 2.
Nutritional analysis in kidney transplant recipient who eat Korean foods
Variable Mean±SD Minimum∼ Maximum No. patients with recommended intake (%) Recommendation
Energy (kcal/day) 2,088±1,016 171∼5,264    
Energy (kcal/kg IBW/day) 34.7±18.2 2.5∼80.4 17 (27) 30∼35
Carbohydrate (g/day) 357.2±182.2 22.9∼1,034    
  % Energy 68.2±7.9 52.5∼83.0    
Fat (g/day) 42.3±24.2 5.6∼125.3    
  % Energy 18.5±6.0 5.6∼32.9 27 (42) 20∼30
  % Animal fat 46.3±13.7 19.3∼66.1 8 (13) 25∼35
Protein (g/day) 75.5±38.2 7.7∼186.8    
Protein (g/kg IBW/day) 1.26±0.69 0.11∼3.10 17 (27) 0.6∼0.8
  % Energy 14.5±2.4 8.7∼20.8 42 (66) 10∼15
  % Animal protein 40.5±12.4 3.7∼66.2    
Dietary fiber (g/day) 27.0±15.8 2.0∼97.0    
Water (g/day) 2,230±654 1,135∼5,170 41 (64) >2,000
Ash (g/day) 18.5±11.6 1.8∼77.0    
Vitamin A ( g R.E./day) 1,307±1,372 89∼10,434 61 (95) >270
Vitamin B1 (mg/day) 1.5±0.8 0.1∼4.0 31 (48) >1.4
Vitamin B2 (mg/day) 1.2±0.7 0.1∼4.0 12 (19) >1.6
Vitamin B6 (mg/day) 1.9±0.9 0.2∼4.8 41 (64) >1.5
Vitamin B12 ( g/day) 8.2±5.4 0.8∼24.2 62 (97) >2
Vitamin C (mg/day) 135.9±95.5 8.96∼519.9 49 (77) >60
Vitamin D ( g/day) 6.6±4.7 0.1∼21.6 35 (55) >5
Vitamin E (mg/day) 15.6±9.5 1.7∼53.3    
Vitamin K ( g/day) 208.6±165.9 27∼1,133    
Folic acid ( g/day) 613.4±370.2 52∼2,344 52 (81) >300
Niacin (mg/day) 16.1±8.2 1.7∼39.7 22 (34) >18
Panthothenic acid (mg/day) 6.6±8.2 0.5∼17.4    
Biotin ( g/day) 24.6±12.4 2.4∼66.8    
Sodium (mg/day) 3,417±2,616 472∼17,524 32∼49 (70∼77) <3,000∼4,000
Potassium (mg/day) 3,593±2,101 277∼13,869 28 (44) >3,500
Chloride (mg/day) 568.3±591.4 55∼4,623    
Calcium (mg/day) 618.9±400.3 39.6∼2,501 8 (13) 800∼1,500
Phosphate (mg/day) 1,272±658 106.4∼3,515 56 (88) >600
Magnesium (mg/day) 91.3±56.4 7.2∼289 3 (5) 200∼300
Iron (mg/day) 16.9±9.0 1.3∼50.7 50 (78) >10
Zinc (mg/day) 12.5±6.2 1.1∼27.9 46 (72) >9
Copper (mg/day) 1.6±0.8 0.1∼3.8    
Fluorine ( g/day) 23.2±13.3 1.6∼74.0    
Manganese (mg/day) 4.9±2.6 0.3∼14.2    
Iodine ( g/day) 267.2±358.5 8.8∼2,446 39 (61) >150
Selenium ( g/day) 93.7±44.8 8.8∼219.5 53 (83) >50
Cholesterol (mg/day) 280.9±182.4 8.8∼825.4    

Abbreviations: IBW, ideal body weight; R.E., retinol equivalents.

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