Læknablaðið - 15.05.1984, Blaðsíða 61

LÆKNABLADID
153
SUMMARY
The 24h urinary excretion of sodium and potassium
was measured in 72 Icelanders, men and women.
Urinary morning specimens were obtained and
measured from 10 individuals. The potassium excre-
tion was for men 71 ±22 and for women 56±24
mmoles/24 hrs and sodium excretion was for men
155 ±40 and for women 109 ±45 mmol/24 hrs.
When values for sodium and potassium excretion
were expressed per mol. of creatinine excreted, the
difference between men and women disappeared.
The results indicate that potassium intake is adequa-
te on the Icelandic diet. The sodium/potassium ratio,
2,3 for men and 2,2 for women, proved to be among
the lowest of those recently published.
HEIMILDIR
1) Dahl LK. Sodium intake of the American male:
Implications on the etiology of essential hyper-
tension. Am J Clin Nutr 1958; 6: 1-7.
2) MacGregor GA. Dietary sodium and potassium
intake and blood pressure. Lancet 1983; 1: 750-
3.
3) Armstrong B, Clarke H, Martin C, Ward W,
Norman N, Masarei J. Urinary sodium and
blood pressure in vegetarians. Am J Clin Nutr.
1979;32:2472-6.
4) Kesteloot H, Geboers J. Calcium and blood
pressure. Lancet 1982; 1: 813-4.
5) Heyden S. Erniedrigung der Natrium- und
Erhöhung der Kalium-Zufuhr fur Hypertonie-
Gefáhrdete sowie bei Behandlung von Hyper-
tonikern. Dtch Med Wschr 1983; 108: 1159-62.
6) Dahl LK. Evidence for an increased intake of
sodium in hypertension based on urinary excre-
tion of sodium. Proc Soc Exper Biol Med 1957;
94:23-6.
7) Joosens JV. Salt and hypertension, water hard-
ness and cardiovascular death rate. Triangle
1973; 12: 9-16.
8) Walker GW, Whelton PK, Saito H, Russel RP,
Hermann J. Relation between blood pressure
and renin substrate, angiotensin II, aldosterone
and urinary sodium and potassium in 574
ambulatory subjects. Hypertension 1979; 1: 287-
91.
9) Khaw KI, Rose G. Population study of blood
pressure and associated factors in St. Lucia,
West Indies. Internat J Epid 1982; 11: 372-7.
10) Meneely GR, Batterbee HD. High sodium low
potassium environment and hypertension. Am J
Cardiol 1976;38:768-85.
11) Simpson FO. Salt and hypertension: A sceptical
review of the evidence. Clin Science 1979; 57:
463-85.
12) Holden RA, Ostfeld AM, Freeman DH, Hellen-
brand KG, DÁtri DA. Dietary salt intake and
blood pressure. JAMA 1983; 250: 365-9.
13) Meneely GR, Tucker RG, Darby WJ, Auerbach
SH. Chronic sodium chloride toxicity: hyperten-
sion, renal and vascular lesions. Ann intern
Med. 1953;39:991-8.
14) Dahl LK, Leith G, Heine M. Influence of dietary
potassium and sodium/potassium molar ratio
on the development of salt hypertension. J Exp
Med 1972; 136:318-30.
15) Heller RF, Hayward D, Hobbs MST. Decline in
rate of death from ischaemic heart disease in
the United Kingdom. Brit Med J 1983; 286: 260-
2.
16) Þjóðleifsson B. Dánartíðni af völdum sjúkdóma
í kransæðum og heilaæðum á íslandi 1951-79.
Erindi á ráðstefnu um rannsóknir í Læknadeild
Háskóla íslands haldin í Hjúkrunarskóla íslands
í mars 1981.
17) Ritstjórnargrein, Why has stroke mortality de-
clined? Lancet I 1983; 1195-6.
18) Kjeld M, Þorsteinsson V. Handbók Rannsókna-
deildar Landspítalans 1980; 1: 20-7.
19) Sigfússon N, Helgadóttir H, Þorsteinsson Þ.
Kalíum í sermi íslendinga. Erindi á ráðstefnu
um rannsóknir í Læknadeild Háskóla íslands, 6.
mars 1982.
20) Kjeld JM, Eldon J, Ólafsson Þ. Kalíum og
natríum í sermi tslendinga. Læknablaðið 1983;
69: 166-9.
21) Simpson FO, Nye ER, Bolli P et al. The Milton
Survey: part 1, General methods, height, weight
and 24-hour excretion of sodium, potassium,
calcium, magnesium and creatinine. N Zeal Med
J 1978;87:379-82.
22) Oliver WJ, Cohen EL, Neal JV. Blood pressure,
sodium intake, and sodium related hormones in
the Yanomamo Indians, a »No-salt« culture.
Circulation 1975; 52: 146-51.
23) Joossens JV. Salt intake and hypertension.
Discussion. Clin Science 1979; 57: Supplement
5, pp 472-3.
24) Henry RJ, Cannon DC, Winkelman JW. Clinical
Chemistry. Principals and technics, 643 and 646.
Harper and Row, Publishers Inc. 1974.
25) Dahl LK, Heine M, Tassinari L. Effects of
chronic excess salt ingestion: evidence that
genetic factors play an important role in
susceptibility to experimental hypertension. J
Exp Med 1962; 115: 1173-90.