THE 24-HR URINARY EXCRETED SODIUM AND POTASSIUM AND THEIR ASSOCIATION WITH BLOOD PRESSURE IN ADULTS OF ISFAHAN CITY

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RAFIEI M.; BOSHTAM M.; SARAFZADEGAN NAZILA; SEIRAFIAN SH.; GOLSHADI I.D.; ABDAR N.; VAKILI R.; SAMARIAN H.

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Journal: Tehran University Medical Journal Year:2002 | Volume:60 | Issue:5 Page(s): 406-415

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Title

THE 24-HR URINARY EXCRETED SODIUM AND POTASSIUM AND THEIR ASSOCIATION WITH BLOOD PRESSURE IN ADULTS OF ISFAHAN CITY

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Keywords

SALTQ4

SODIUMQ4

POTASSIUMQ4

CHLORIDEQ4

HYPERTENSIONQ4

24 HOUR URINEQ4

Abstract

Introduction: Cardiovascular disease (CVD) is considered as one of the most important causes of mortality in the world. HYPERTENSION is a major risk factor for CVDs. Regarding the high prevalence of HYPERTENSION in people over 18 years in Isfahan (28%), this study was performed to determine mean in-taken SALT in Isfahan population and the association of urinary excreted electrolytes with blood pressure. Methods and Materials: In this study, 1800 people (20-60 years old) were selected by multi stage sampling method from Isfahan population (850 men. 950 women). For each person, a special questionnaire was completed regarding personal characteristics, history for cardiovascular risk factors, smoking status, medication, etc. At the same time, the blood pressure was measured twice by WHO standardized method after at least 5 minutes in resting status from right hand and also heart rate was recorded. Then, a graded container was given to each subject and they were requested to collect 24-hr urine. The measurements of calcium, SODIUM and POTASSIUM concentrations were done through flame photometry. CHLORIDE was measured by colorimetry and creatinin was measured by Jaffe method. Of course, those people with kidney failure or dietary SALT restriction were excluded. Also, the concentration of urinary creatinin was measured as a scale for verifying urine to be collected through the past 24 hour. Then, false samples were excluded. The obtained data was analysed using Hest and multi regression analysis by SPSS/WIN. Results: The results show that the dietary NaCl was 9.7 gr/day in people aged 2060 years old (903±3.0 gr/day in men and 9.7±3.8 gr/day in women). It is upper than the recommended level (6 gr/day) but still lower than that in western societies (1 0-12 gr/day). Also. the dietary SODIUM was estimated as 165.6 mmol/day. The urinary excreted POTASSIUM was 47.7 mmo1l240hr urine. The mean value for SODIUM was 165.9-166.6 mmol/24-hr urine in women and 158.5-164.2 mmol/24-hr urine in men (p>0.05). Mean urinary CHLORIDE was 128.4 mmol/24-hr urine in women and 133.5 mmo1l24-hr urine in men. After adjusting for age. smoking. contraceptive medication, job and education. no significant direct association was observed between blood pressure and urinary electrolytses. Conclusion: According to the results of this study. the daily level of dietary SALT intake is high in our population. Although no relationship was found between blood pressure and dietary SALT in normotensive people. it doesn"t seem rationally to discontinue health recommendation for restricting SALT as dietary SALT is responsible for other disease rather than HYPERTENSION. On the other hand. people can"t restrict theil dietary SALT favorably due to existing SALT in foods as well processed food products. Therefore, officials should invest on correction of consumption status of dietary SALT level especially in part of food industry to control in a better way.

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APA: Copy

RAFIEI, M., BOSHTAM, M., SARAFZADEGAN, NAZILA, SEIRAFIAN, SH., GOLSHADI, I.D., ABDAR, N., VAKILI, R., & SAMARIAN, H.. (2002). THE 24-HR URINARY EXCRETED SODIUM AND POTASSIUM AND THEIR ASSOCIATION WITH BLOOD PRESSURE IN ADULTS OF ISFAHAN CITY . TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 60(5), 406-415. SID. https://sid.ir/paper/39011/en

Vancouver: Copy

RAFIEI M., BOSHTAM M., SARAFZADEGAN NAZILA, SEIRAFIAN SH., GOLSHADI I.D., ABDAR N., VAKILI R., SAMARIAN H.. THE 24-HR URINARY EXCRETED SODIUM AND POTASSIUM AND THEIR ASSOCIATION WITH BLOOD PRESSURE IN ADULTS OF ISFAHAN CITY . TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2002;60(5):406-415. Available from: https://sid.ir/paper/39011/en

IEEE: Copy

M. RAFIEI, M. BOSHTAM, NAZILA SARAFZADEGAN, SH. SEIRAFIAN, I.D. GOLSHADI, N. ABDAR, R. VAKILI, and H. SAMARIAN, “THE 24-HR URINARY EXCRETED SODIUM AND POTASSIUM AND THEIR ASSOCIATION WITH BLOOD PRESSURE IN ADULTS OF ISFAHAN CITY ,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 60, no. 5, pp. 406–415, 2002, [Online]. Available: https://sid.ir/paper/39011/en

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