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Current Approach in the Evaluation of Nutrition, Hydration Status and Disease Risk: Bioelectrical Impedance Vector Analysis

Year 2016, Volume: 25 Issue: 3, 155 - 160, 01.12.2016

Abstract

The analysis of body composition is used to evaluation
of health and body function. Bioelectrical impedance
analysis is the most commonly used method for assessing body composition. In recent years changes in body
composition is used to assess the risk of nutritionrelated diseases. Bioelectrical impedance vector analysis (BIVA), which is the one of these method provides
information about body composition, hydration status
and disease risk. In this method, the evaluation is performed according to the length and direction of the
vector. Body composition, hydration status and disease
risk are assessed according to changes in vector. In
addition, body composition, hydration status and the
risk of nutrition related diseases is determined with
respect to the increase/decrease in phase angle, also. In
this review BIVA method, which is a current approach,
has been explained.

References

  • 1. Buffa R, Mereu E, Comandini O, Ibanez M, Marini E. Bioelectrical impedance vector analysis (BIVA) for the assessment of two-compartment body composition. Eur J Clin Nutr 2014; 68:1234-1240.
  • 2. Woodrow G. Body composition analysis techniques in the aged adult: indications and limitations. Curr Opin Clin Nutr Metab Care 2009;12:8-14.
  • 3. Buchholz AC, McGillivray CF, Pencharz PB. The use of bioelectric impedance analysis to measure fluid compartments in subjects with chronic paraplegia. Arch Phys Med Rehabil 2003;84:854-861.
  • 4. Norman K, Stobäus N, Pirlich M, Bosy-Westphal A. Bioelectrical phase angle and impedance vector analysis–clinical relevance and applicability of impedance parameters. Clin Nutr 2012;31:854-861.
  • 5. Kyle UG, Bosaeus I, De Lorenzo AD, et al. Bioelectrical impedance analysis—part I: review of principles and methods. Clin Nutr 2004;23:1226- 1243.
  • 6. Baumgartner RN, Chumlea WC, Roche AF. Bioelectric impedance phase angle and body composition. Am J Clin Nutr 1988;48:16-23.
  • 7. Ward L, Müller M. Bioelectrical impedance analysis. Eur J Clin Nutr 2013;67:1.
  • 8. Miyatake N, Tanakai A, Eguchi M, et al. Reference data of multi frequencies bioelectric impedance method in Japanese. Anti-Aging Medicine 2009;6:10 -14.
  • 9. Coppini LZ, Waitzberg DL, Campos ACL. Limitations and validation of bioelectrical impedance analysis in morbidly obese patients. Curr Opin Clin Nutr Metab Care 2005;8:329-332.
  • 10. Piccoli A. Identification of operational clues to dry weight prescription in hemodialysis using bioimpedance vector analysis. Kidney Int 1998;53:1036-1043.
  • 11. Piccoli A, Rossr B, Pillon L, Bucciante G. A new method for monitoring body fluid variation by bioimpedance analysis: The RXc graph. Kidney Int 1994;46:534-539.
  • 12. Bosy-Westphal A, Danielzik S, Dörhöfer RP, Piccoli A, Müller MJ. Patterns of bioelectrical impedance vector distribution by body mass index and age: implications for body-composition analysis. Am J Clin Nutr 2005;82:60-68.
  • 13. Lee SY, Gallagher D. Assessment methods in human body composition. Curr Opin Clin Nutr Metab Care 2008;11:566-572.
  • 14. Piccoli A. Bioelectric impedance vector distribution in peritoneal dialysis patients with different hydration status. Kidney Int 2004;65:1050-1063.
  • 15. Martín MAC, Silleras BD, Selva LN, et al. Bioimpedance vector analysis and conventional bioimpedance to assess body composition in older adults with dementia. Nutrition 2015;31:155-159.
  • 16. Nescolarde L, Piccoli A, Roman A, et al. Bioelectrical impedance vector analysis in haemodialysis patients: relation between oedema and mortality. Physiol Meas 2004;25:1271-1280.
  • 17. Núñez J, Mascarell B, Stubbe H, et al. Bioelectrical impedance vector analysis and clinical outcomes in patients with acute heart failure. J Cardiovasc Med (Hagerstown, Md) 2016;17:283-290.
  • 18. Pillon L, Piccoli A, Lowrie EG, Lazarus JM, Chertow GM. Vector length as a proxy for the adequacy of ultrafiltration in hemodialysis. Kidney Int 2004;66:1266-1271.
  • 19. Piccoli A, Rossi B, Pillon L, Bucciante G. Body fluid overload and bioelectrical impedance analysis in renal patients. Miner Electrol Metab 1995;22:76- 78.
  • 20. Piccoli A, Pittoni G, Facco E, Favaro E, Pillon L. Relationship between central venous pressure and bioimpedance vector analysis in critically ill patients. Crit Care Med 2000;28:132-137.
  • 21. Yancy CW, Jessup M, Bozkurt B, et al. ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol 2013;62:147-239.
  • 22. Buffa R, Floris G, Marini E. Migration of the bioelectrical impedance vector in healthy elderly subjects. Nutrition 2003;19:917-921.
  • 23. Buffa R, Mereu R, Putzu P, Floris G, Marini E. Bioelectrical impedance vector analysis detects low body cell mass and dehydration in patients with Alzheimer’s disease. J Nutr Health Aging. 2010;14:823-827.
  • 24. Martínez LC, Ramírez EC, Tejeda AO, et al. Bioelectrical impedance and strength measurements in patients with heart failure: comparison with functional class. Nutrition 2007;23:412-418.
  • 25. Norman K, Smoliner C, Kilbert A, et al. Diseaserelated malnutrition but not underweight by BMI is reflected by disturbed electric tissue properties in the bioelectrical impedance vector analysis. Br J Nutr 2008;100:590-595.
  • 26. Guida B, De Nicola L, Pecoraro P, et al. Abnormalities of bioimpedance measures in overweight and obese hemodialyzed patients. Int J Obes Relat Metab Disord 2001;25:265-272.
  • 27. Piccoli A, Fanos V, Peruzzi L, et al. Reference values of the bioelectrical impedance vector in neonates in the first week after birth. Nutrition 2002;18:383- 387.
  • 28. Malecka-Massalska T, Chara K, Smolen A, et al. Bioimpedance vector pattern in women with breast cancer detected by bioelectric impedance vector analysis. Preliminary observations. Ann Agric Environ Med 2012;19:697-700.
  • 29. Buffa R, Saragat B, Succa V, et al. Elderly subjects with type 2 diabetes show altered tissue electrical properties. Nutrition 2013;29:132-137.
  • 30. Mattar J. Application of total body bioimpedance to the critically ill patient. Brazilian group for bioimpedance study. New Horiz. 1996;4(4):493- 503.
  • 31. Wilhelm-Leen ER, Hall YN, Horwitz RI, Chertow GM. Phase angle, frailty and mortality in older adults. J Gen Intern Med 2014;29:147-154.
  • 32. Bosy-Westphal A, Danielzik S, Dörhöfer R-P, et al. Phase angle from bioelectrical impedance analysis: population reference values by age, sex, and body mass index. JPEN J Parenter Enteral Nutr 2006;30:309-316.
  • 33. Dittmar M. Reliability and variability of bioimpedance measures in normal adults: effects of age, gender, and body mass. Am J Phys Anthropol 2003;122:361-370.
  • 34. Barbosa-Silva MCG, Barros AJ, Wang J, Heymsfield SB, Pierson RN. Bioelectrical impedance analysis: population reference values for phase angle by age and sex. Am J Clin Nutr 2005;82:49-52.
  • 35. Zhang G, Huo X, Wu C, Zhang C, Duan Z. A bioelectrical impedance phase angle measuring system for assessment of nutritional status. Biomed Mater Eng 2014;24:3657-3664.
  • 36. Torres AG, Oliveira KJF, Oliveira-Junior AV, Gonçalves MC, Koury JC. Biological determinants of phase angle among Brazilian elite athletes. Proc Nutr Soc 2008;67:332.
  • 37. Saragat B, Buffa R, Mereu E, et al. Nutritional and psycho-functional status in elderly patients with Alzheimer’s disease. J Nutr Health Aging 2012;16:231-236.
  • 38. Shizgal H. The effect of malnutrition on body composition. Surg Gynecol Obstet 1981;152:22-26.
  • 39. Norman K, Stobäus N, Zocher D, et al. Cutoff percentiles of bioelectrical phase angle predict functionality, quality of life, and mortality in patients with cancer. Am J Clin Nutr 2010;92:612- 619.
  • 40. Oliveira CM, Kubrusly M, Mota RS, et al. The phase angle and mass body cell as markers of nutritional status in hemodialysis patients. J Ren Nutr 2010;20:314-320.
  • 41. Buffa R, Floris G, Marini E. Assessment of nutritional status in free-living elderly individuals by bioelectrical impedance vector analysis. Nutrition 2009;25:3-5.
  • 42. Fein PA, Gundumalla G, Jorden A, et al. Usefulness of bioelectrical impedance analysis in monitoring nutrition status and survival of peritoneal dialysis patients. Adv Perit Dial 2002;18:195-199.
  • 43. Mika C, Herpertz-Dahlmann B, Heer M, Holtkamp K. Improvement of nutritional status as assessed by multifrequency BIA during 15 weeks of refeeding in adolescent girls with anorexia nervosa. J Nutr 2004;134:3026-3030.
  • 44. Norman K, Kirchner H, Freudenreich M, et al. Three month intervention with protein and energy rich supplements improve muscle function and quality of life in malnourished patients with non-neoplastic gastrointestinal disease—a randomized controlled trial. Clin Nutr 2008;27:48-56.
  • 45. Gupta D, Lis CG, Dahlk SL, et al. The relationship between bioelectrical impedance phase angle and subjective global assessment in advanced colorectal cancer. Nutr J 2008;7:7-19.
  • 46. Piccoli A, Pillon L, Dumler F. Impedance vector distribution by sex, race, body mass index, and age in the United States: standard reference intervals as bivariate Z scores. Nutrition 2002;18:153-167.
  • 47. Zamojska S, Szklarek M, Niewodniczy M, Nowicki M. Correlates of habitual physical activity in chronic haemodialysis patients. Nephrol Dial Transplant 2006;21:1323-1327.
  • 48. Gunn SM, Halbert JA, Giles LC, et al. Bioelectrical phase angle values in a clinical sample of ambulatory rehabilitation patients. Dyn Med 2008;7:14.
  • 49. Demirci MS, Demirci C, Ozdogan O, et al. Relations between malnutrition–inflammation– atherosclerosis and volume status. The usefulness of bioimpedance analysis in peritoneal dialysis patients. Nephrol Dial Transplant 2011;26:1708- 1716.
  • 50. Doesch C, Suselbeck T, Leweling H, et al. Bioimpedance analysis parameters and epicardial adipose tissue assessed by cardiac magnetic resonance imaging in patients with heart failure. Obesity 2010;18:2326-2332.

HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ

Year 2016, Volume: 25 Issue: 3, 155 - 160, 01.12.2016

Abstract

Vücut bileşiminin analizi, sağlık ve vücut fonksiyonlarının değerlendirilmesinde kullanılmaktadır. Biyoelektrik
impedans analizi vücut bileşiminin değerlendirilmesinde en sık kullanılan yöntemdir. Son yıllarda vücut bileşimindeki değişiklikler beslenmeyle ilişkili hastalık riskinin değerlendirilmesinde kullanılmaktadır. Bu değerlendirme yöntemlerinden olan bioelektrik impedans vektör
analizi (BİVA) vücut bileşimi, hidrasyon durumu ve hastalık riskiyle ilişkili bilgi vermektedir. BİVA yönteminde
vektörün uzunluğu ve yönüne göre değerlendirme yapılmaktadır. Vektördeki değişimlere göre vücut bileşimi,
hastalık riski ve hidrasyon durumu değerlendirilir. Aynı
şekilde faz açısındaki artış ve azalışlara göre de vücut
bileşimi, hidrasyon durumu ve hastalık riski ve değerlendirilir. Bu derlemede güncel bir yaklaşım olan BİVA
yöntemi anlatılmıştır.

References

  • 1. Buffa R, Mereu E, Comandini O, Ibanez M, Marini E. Bioelectrical impedance vector analysis (BIVA) for the assessment of two-compartment body composition. Eur J Clin Nutr 2014; 68:1234-1240.
  • 2. Woodrow G. Body composition analysis techniques in the aged adult: indications and limitations. Curr Opin Clin Nutr Metab Care 2009;12:8-14.
  • 3. Buchholz AC, McGillivray CF, Pencharz PB. The use of bioelectric impedance analysis to measure fluid compartments in subjects with chronic paraplegia. Arch Phys Med Rehabil 2003;84:854-861.
  • 4. Norman K, Stobäus N, Pirlich M, Bosy-Westphal A. Bioelectrical phase angle and impedance vector analysis–clinical relevance and applicability of impedance parameters. Clin Nutr 2012;31:854-861.
  • 5. Kyle UG, Bosaeus I, De Lorenzo AD, et al. Bioelectrical impedance analysis—part I: review of principles and methods. Clin Nutr 2004;23:1226- 1243.
  • 6. Baumgartner RN, Chumlea WC, Roche AF. Bioelectric impedance phase angle and body composition. Am J Clin Nutr 1988;48:16-23.
  • 7. Ward L, Müller M. Bioelectrical impedance analysis. Eur J Clin Nutr 2013;67:1.
  • 8. Miyatake N, Tanakai A, Eguchi M, et al. Reference data of multi frequencies bioelectric impedance method in Japanese. Anti-Aging Medicine 2009;6:10 -14.
  • 9. Coppini LZ, Waitzberg DL, Campos ACL. Limitations and validation of bioelectrical impedance analysis in morbidly obese patients. Curr Opin Clin Nutr Metab Care 2005;8:329-332.
  • 10. Piccoli A. Identification of operational clues to dry weight prescription in hemodialysis using bioimpedance vector analysis. Kidney Int 1998;53:1036-1043.
  • 11. Piccoli A, Rossr B, Pillon L, Bucciante G. A new method for monitoring body fluid variation by bioimpedance analysis: The RXc graph. Kidney Int 1994;46:534-539.
  • 12. Bosy-Westphal A, Danielzik S, Dörhöfer RP, Piccoli A, Müller MJ. Patterns of bioelectrical impedance vector distribution by body mass index and age: implications for body-composition analysis. Am J Clin Nutr 2005;82:60-68.
  • 13. Lee SY, Gallagher D. Assessment methods in human body composition. Curr Opin Clin Nutr Metab Care 2008;11:566-572.
  • 14. Piccoli A. Bioelectric impedance vector distribution in peritoneal dialysis patients with different hydration status. Kidney Int 2004;65:1050-1063.
  • 15. Martín MAC, Silleras BD, Selva LN, et al. Bioimpedance vector analysis and conventional bioimpedance to assess body composition in older adults with dementia. Nutrition 2015;31:155-159.
  • 16. Nescolarde L, Piccoli A, Roman A, et al. Bioelectrical impedance vector analysis in haemodialysis patients: relation between oedema and mortality. Physiol Meas 2004;25:1271-1280.
  • 17. Núñez J, Mascarell B, Stubbe H, et al. Bioelectrical impedance vector analysis and clinical outcomes in patients with acute heart failure. J Cardiovasc Med (Hagerstown, Md) 2016;17:283-290.
  • 18. Pillon L, Piccoli A, Lowrie EG, Lazarus JM, Chertow GM. Vector length as a proxy for the adequacy of ultrafiltration in hemodialysis. Kidney Int 2004;66:1266-1271.
  • 19. Piccoli A, Rossi B, Pillon L, Bucciante G. Body fluid overload and bioelectrical impedance analysis in renal patients. Miner Electrol Metab 1995;22:76- 78.
  • 20. Piccoli A, Pittoni G, Facco E, Favaro E, Pillon L. Relationship between central venous pressure and bioimpedance vector analysis in critically ill patients. Crit Care Med 2000;28:132-137.
  • 21. Yancy CW, Jessup M, Bozkurt B, et al. ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol 2013;62:147-239.
  • 22. Buffa R, Floris G, Marini E. Migration of the bioelectrical impedance vector in healthy elderly subjects. Nutrition 2003;19:917-921.
  • 23. Buffa R, Mereu R, Putzu P, Floris G, Marini E. Bioelectrical impedance vector analysis detects low body cell mass and dehydration in patients with Alzheimer’s disease. J Nutr Health Aging. 2010;14:823-827.
  • 24. Martínez LC, Ramírez EC, Tejeda AO, et al. Bioelectrical impedance and strength measurements in patients with heart failure: comparison with functional class. Nutrition 2007;23:412-418.
  • 25. Norman K, Smoliner C, Kilbert A, et al. Diseaserelated malnutrition but not underweight by BMI is reflected by disturbed electric tissue properties in the bioelectrical impedance vector analysis. Br J Nutr 2008;100:590-595.
  • 26. Guida B, De Nicola L, Pecoraro P, et al. Abnormalities of bioimpedance measures in overweight and obese hemodialyzed patients. Int J Obes Relat Metab Disord 2001;25:265-272.
  • 27. Piccoli A, Fanos V, Peruzzi L, et al. Reference values of the bioelectrical impedance vector in neonates in the first week after birth. Nutrition 2002;18:383- 387.
  • 28. Malecka-Massalska T, Chara K, Smolen A, et al. Bioimpedance vector pattern in women with breast cancer detected by bioelectric impedance vector analysis. Preliminary observations. Ann Agric Environ Med 2012;19:697-700.
  • 29. Buffa R, Saragat B, Succa V, et al. Elderly subjects with type 2 diabetes show altered tissue electrical properties. Nutrition 2013;29:132-137.
  • 30. Mattar J. Application of total body bioimpedance to the critically ill patient. Brazilian group for bioimpedance study. New Horiz. 1996;4(4):493- 503.
  • 31. Wilhelm-Leen ER, Hall YN, Horwitz RI, Chertow GM. Phase angle, frailty and mortality in older adults. J Gen Intern Med 2014;29:147-154.
  • 32. Bosy-Westphal A, Danielzik S, Dörhöfer R-P, et al. Phase angle from bioelectrical impedance analysis: population reference values by age, sex, and body mass index. JPEN J Parenter Enteral Nutr 2006;30:309-316.
  • 33. Dittmar M. Reliability and variability of bioimpedance measures in normal adults: effects of age, gender, and body mass. Am J Phys Anthropol 2003;122:361-370.
  • 34. Barbosa-Silva MCG, Barros AJ, Wang J, Heymsfield SB, Pierson RN. Bioelectrical impedance analysis: population reference values for phase angle by age and sex. Am J Clin Nutr 2005;82:49-52.
  • 35. Zhang G, Huo X, Wu C, Zhang C, Duan Z. A bioelectrical impedance phase angle measuring system for assessment of nutritional status. Biomed Mater Eng 2014;24:3657-3664.
  • 36. Torres AG, Oliveira KJF, Oliveira-Junior AV, Gonçalves MC, Koury JC. Biological determinants of phase angle among Brazilian elite athletes. Proc Nutr Soc 2008;67:332.
  • 37. Saragat B, Buffa R, Mereu E, et al. Nutritional and psycho-functional status in elderly patients with Alzheimer’s disease. J Nutr Health Aging 2012;16:231-236.
  • 38. Shizgal H. The effect of malnutrition on body composition. Surg Gynecol Obstet 1981;152:22-26.
  • 39. Norman K, Stobäus N, Zocher D, et al. Cutoff percentiles of bioelectrical phase angle predict functionality, quality of life, and mortality in patients with cancer. Am J Clin Nutr 2010;92:612- 619.
  • 40. Oliveira CM, Kubrusly M, Mota RS, et al. The phase angle and mass body cell as markers of nutritional status in hemodialysis patients. J Ren Nutr 2010;20:314-320.
  • 41. Buffa R, Floris G, Marini E. Assessment of nutritional status in free-living elderly individuals by bioelectrical impedance vector analysis. Nutrition 2009;25:3-5.
  • 42. Fein PA, Gundumalla G, Jorden A, et al. Usefulness of bioelectrical impedance analysis in monitoring nutrition status and survival of peritoneal dialysis patients. Adv Perit Dial 2002;18:195-199.
  • 43. Mika C, Herpertz-Dahlmann B, Heer M, Holtkamp K. Improvement of nutritional status as assessed by multifrequency BIA during 15 weeks of refeeding in adolescent girls with anorexia nervosa. J Nutr 2004;134:3026-3030.
  • 44. Norman K, Kirchner H, Freudenreich M, et al. Three month intervention with protein and energy rich supplements improve muscle function and quality of life in malnourished patients with non-neoplastic gastrointestinal disease—a randomized controlled trial. Clin Nutr 2008;27:48-56.
  • 45. Gupta D, Lis CG, Dahlk SL, et al. The relationship between bioelectrical impedance phase angle and subjective global assessment in advanced colorectal cancer. Nutr J 2008;7:7-19.
  • 46. Piccoli A, Pillon L, Dumler F. Impedance vector distribution by sex, race, body mass index, and age in the United States: standard reference intervals as bivariate Z scores. Nutrition 2002;18:153-167.
  • 47. Zamojska S, Szklarek M, Niewodniczy M, Nowicki M. Correlates of habitual physical activity in chronic haemodialysis patients. Nephrol Dial Transplant 2006;21:1323-1327.
  • 48. Gunn SM, Halbert JA, Giles LC, et al. Bioelectrical phase angle values in a clinical sample of ambulatory rehabilitation patients. Dyn Med 2008;7:14.
  • 49. Demirci MS, Demirci C, Ozdogan O, et al. Relations between malnutrition–inflammation– atherosclerosis and volume status. The usefulness of bioimpedance analysis in peritoneal dialysis patients. Nephrol Dial Transplant 2011;26:1708- 1716.
  • 50. Doesch C, Suselbeck T, Leweling H, et al. Bioimpedance analysis parameters and epicardial adipose tissue assessed by cardiac magnetic resonance imaging in patients with heart failure. Obesity 2010;18:2326-2332.
There are 50 citations in total.

Details

Other ID JA88CA36MZ
Journal Section Research Article
Authors

Feride Ayyıldız This is me

Eda Köksal This is me

Publication Date December 1, 2016
Submission Date December 1, 2016
Published in Issue Year 2016 Volume: 25 Issue: 3

Cite

APA Ayyıldız, F., & Köksal, E. (2016). HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ. Sağlık Bilimleri Dergisi, 25(3), 155-160.
AMA Ayyıldız F, Köksal E. HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ. JHS. December 2016;25(3):155-160.
Chicago Ayyıldız, Feride, and Eda Köksal. “HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ”. Sağlık Bilimleri Dergisi 25, no. 3 (December 2016): 155-60.
EndNote Ayyıldız F, Köksal E (December 1, 2016) HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ. Sağlık Bilimleri Dergisi 25 3 155–160.
IEEE F. Ayyıldız and E. Köksal, “HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ”, JHS, vol. 25, no. 3, pp. 155–160, 2016.
ISNAD Ayyıldız, Feride - Köksal, Eda. “HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ”. Sağlık Bilimleri Dergisi 25/3 (December 2016), 155-160.
JAMA Ayyıldız F, Köksal E. HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ. JHS. 2016;25:155–160.
MLA Ayyıldız, Feride and Eda Köksal. “HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ”. Sağlık Bilimleri Dergisi, vol. 25, no. 3, 2016, pp. 155-60.
Vancouver Ayyıldız F, Köksal E. HASTALIK RİSKİ, BESLENME VE HİDRASYON DURUMUNUN DEĞERLENDİRİLMESİNDE GÜNCEL YAKLAŞIM: BİOELEKTRİK İMPEDANS VEKTÖR ANALİZİ. JHS. 2016;25(3):155-60.