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| Study on correlation between bioelectrical impedance phase angle and nutritional status in elderly patients with hypertension |
| Yi Haiwei, Yu Yunlan, Song Qingxiang |
| Department of Clinical Nutrition the First People's Hospital of Lianyungang Lianyungang 222000 Jiangsu China |
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Abstract Objective To study the relationship between bioelectrical impedance phase Angle PA and nutritional status in elderly
patients with hypertension and to explore the feasibility of assessing the nutritional status of patients. Method A total of 415 elderly
hypertensive patients admitted to the First People′s Hospital of Lianyungang from January to December 2021 were enrolled. General
data collection nutritional risk screening nutritional assessment anthropometry body composition analysis and blood biochemical
examination were performed. Using a case-control study the patients were divided into normal PA group and low PA group according
to phase angle. The relationship between PA and nutrition related indexes were analyzed. Result The nutritional risk and proportion of
malnutrition in low PA group were higher than those in normal PA group P< 0. 05 . Body weight body mass index upper arm
circumference waist circumference hip circumference diastolic blood pressure grip strength walking speed skeletal muscle mass
percentage of body fat appendicular skeletal muscle mass ASM appendicular skeletal muscle mass index ASMI hemoglobin
albumin total cholesterol triglyceride and low density lipoprotein cholesterol in low PA group were all lower than those in normal PA
group P<0. 05 . Correlation analysis showed that PA was negatively correlated with body fat percentage r = -0. 321 P<0. 05 and
positively correlated with body weight r = 0. 231 body mass index r = 0. 132 upper arm circumference r = 0. 381 hip
circumference r = 0. 135 grip strength r = 0. 274 walking speed r = 0. 192 skeletal muscle mass r = 0. 499 ASM r = 0. 464
ASMI r = 0. 562 hemoglobin r = 0. 316 albumin r = 0. 163 and triglyceride r = 0. 105 P< 0. 05 . Low PA was significantly
associated with nutritional risk and degree of malnutrition P < 0. 05 . Conclusion Phase angle is an effective index of nutritional
status in elderly hypertensive patients and has potential clinical application value in nutritional screening and evaluation of elderly
hypertension patients.
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Received: 09 August 2023
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