CALCIUM-METABOLISM IN POSTMENOPAUSAL OSTEOPOROTIC WOMEN IS DETERMINED BY DIETARY CALCIUM AND COFFEE INTAKE

被引:59
作者
HASLING, C
SONDERGAARD, K
CHARLES, P
MOSEKILDE, L
机构
关键词
OSTEOPOROSIS; CALCIUM METABOLISM; CAFFEINE; PHOSPHATE; HUMANS;
D O I
10.1093/jn/122.5.1119
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Eighty-five patients, age 48 to 77 y with postmenopausal crush fracture osteoporosis, were investigated using a 7-d combined calcium balance and 47Ca tracer-kinetic turnover method taking the dermal calcium loss into account. Individual dietary records were obtained based on a 4-d registration at home before hospital admission and on questioning by a dietitian. The following dietary constituents were estimated: energy content, protein, methionine, cysteine, calcium, phosphate, magnesium, coffee, fiber and vitamin C. All patients were served individual diets based on the dietary records during study. Dietary calcium was measured in duplicates of all the meals served. All urine and feces were collected and analyzed for calcium content. The 47Ca kinetic data were analyzed according to a modification of the expanding calcium pool model. The overall calcium balance correlated significantly to energy content (r = 0.31, P < 0.005), protein (r = 0.22, P < 0.05), calcium (r = 0.28, P < 0.01), phosphate (r = 0.27, P < 0.02) and coffee (r = -0.21, P < 0.05). However, a multiple backward linear regression analysis disclosed that only calcium (r(p) = 0.38, P < 0.0005) and coffee intake (r(p) = -0.25, P < 0.05) significantly influenced calcium balance. The equation was: calcium balance (mmol/d) = 0.14 x (dietary calcium, mmol/d) - 0.0016 x (coffee intake, mL/d) - 3.62. A coffee intake in excess of 1000 mL could induce an extra calcium loss of 1.6 mmol calcium/d, whereas intakes of 1-2 cups of coffee per day would have little impact on calcium balance.
引用
收藏
页码:1119 / 1126
页数:8
相关论文
共 31 条
[1]   EFFECTS OF MODERATE CAFFEINE INTAKE ON THE CALCIUM ECONOMY OF PREMENOPAUSAL WOMEN [J].
BARGERLUX, MJ ;
HEANEY, RP ;
STEGMAN, MR .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1990, 52 (04) :722-725
[2]   PHYSIOLOGICAL-RESPONSES OF HUMAN ADULTS TO FOODS CONTAINING PHOSPHATE ADDITIVES [J].
BELL, RR ;
DRAPER, HH ;
TZENG, DYM ;
SHIN, HK ;
SCHMIDT, GR .
JOURNAL OF NUTRITION, 1977, 107 (01) :42-50
[3]   INTESTINAL CALCIUM-ABSORPTION - MECHANISMS AND APPLICATIONS [J].
BRONNER, F .
JOURNAL OF NUTRITION, 1987, 117 (08) :1347-1352
[4]   BONE TURNOVER MODEL BASED ON A CONTINUOUSLY EXPANDING EXCHANGEABLE CALCIUM POOL [J].
BURKINSHAW, L ;
MARSHALL, DH ;
OXBY, CB ;
SPIERS, FW ;
NORDIN, BEC ;
YOUNG, MM .
NATURE, 1969, 222 (5189) :146-+
[5]   EFFECTS OF DIETARY ALTERATION OF BICARBONATE AND MAGNESIUM ON RAT BONE [J].
BURNELL, JM ;
LIU, C ;
MILLER, AG ;
TEUBNER, E .
AMERICAN JOURNAL OF PHYSIOLOGY, 1986, 250 (02) :F302-F307
[6]  
CHARLES P, 1983, CLIN SCI, V65, P415
[7]   EFFECT OF MEAT PROTEIN AND DIETARY FIBER ON COLONIC FUNCTION AND METABOLISM .1. CHANGES IN BOWEL HABIT, BILE-ACID EXCRETION, AND CALCIUM-ABSORPTION [J].
CUMMINGS, JH ;
HILL, MJ ;
JIVRAJ, T ;
HOUSTON, H ;
BRANCH, WJ ;
JENKINS, DJA .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1979, 32 (10) :2086-2093
[8]   DIETARY CALCIUM INTAKE AND BONE LOSS FROM THE SPINE IN HEALTHY POSTMENOPAUSAL WOMEN [J].
DAWSONHUGHES, B ;
JACQUES, P ;
SHIPP, C .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1987, 46 (04) :685-687
[9]   OSTEOPOROSIS IN AGING RATS INDUCED BY HIGH PHOSPHORUS DIETS [J].
DRAPER, HH ;
BERGAN, JG ;
SIE, TL .
JOURNAL OF NUTRITION, 1972, 102 (09) :1133-&
[10]   INTESTINAL CALCIUM-ABSORPTION AND SERUM VITAMIN-D METABOLITES IN NORMAL SUBJECTS AND OSTEOPOROTIC PATIENTS - EFFECT OF AGE AND DIETARY CALCIUM [J].
GALLAGHER, JC ;
RIGGS, BL ;
EISMAN, J ;
HAMSTRA, A ;
ARNAUD, SB ;
DELUCA, HF .
JOURNAL OF CLINICAL INVESTIGATION, 1979, 64 (03) :729-736