Urate urolithiasis, an important complication of PSS, occurs because of
increased urinary excretion of ammonia and uric acid.
A 3 - month long study done on 300 Chinese individuals showed that the daily consumption of broccoli sprouts
increased urinary excretion of some harmful pollutants up to 61 % (3).
The altered renal extraction of glycine and alanine is not due to
increased urinary excretion but may be secondary to the increased rate of renal gluconeogenesis observed in prolonged starvation»
Both endurance exercise and weight training have been shown to
increase urinary excretion of chromium.
In the kidneys, PTH stimulates the conversion of vitamin D into its active form (1,25 - dihydroxyvitamin D; calcitriol), which rapidly decreases urinary excretion of calcium but
increases urinary excretion of phosphorus.
Not exact matches
a)
increased protein intake from animal sources (milk and meat) lead to significant
increases in
urinary calcium
excretion.
Drinking the mineral water
increased significantly (P < 0.001) their
urinary excretion of silicic acid (34.3 ± 15.2 to 55.7 ± 14.2 μmol / mmol creatinine) and concomitantly reduced significantly P = 0.037) their
urinary excretion of aluminium (86.0 ± 24.3 to 62.2 ± 23.2 nmol / mmol creatinine).
People with type 2 diabetes are also more likely to be low on magnesium because insulin resistance can
increase urination frequency, and thus
urinary excretion of the mineral.
The «wildly speculative values» of 3 to 7 grams per day referred to by Cordain came from a cohort study published in 2011 in The Journal of the American Medical Association in which sodium intake of almost twenty - nine thousand patients with established cardiovascular disease or diabetes mellitus was estimated by twenty - four - hour
urinary sodium
excretion.26 During the follow - up of fifty - four months, the study found that daily sodium intake below three grams and above seven grams significantly
increased cardiovascular risk.
The authors concluded that «among patients with CKD, higher
urinary sodium
excretion was associated with
increased CVD risk,» a conclusion that is greatly exaggerated.
It has been shown that small amounts of aluminum - containing antacids
increase the
urinary and fecal
excretion of calcium, inhibit absorption of fluoride, and inhibit absorption of phosphorus, creating a negative calcium balance.
Her professors or instructors are saying that high dietary protein
increases urinary calcium
excretion, and then they make the assumption that, therefore, it's bad for bone health, but that's only part of the puzzle, and they're not understanding the
increase in intestinal absorption of calcium that animal protein and protein in general leads to.
Thiazide diuretics such as chlorthalidone (Hygroton ®) and hydrochlorothiazide (Esidrix ® and HydroDIURIL ®)
increase urinary zinc
excretion by as much as 60 % [88].
A study published in the British Journal of Nutrition found that when women drank 1/2 to 1 liter of grapefruit, apple or orange juice daily, their
urinary pH value and citric acid
excretion increased, significantly dropping their risk of forming calcium oxalate stones.
The old thinking would predict that then there would be no calcium loss since there is no excess acid to buffer, but no, even though the acid load was neutralized there was still the excess
urinary calcium, consistent with the radioactive isotope study, «challenging the long - standing dogma that animal protein consumption results in an acidosis that promotes the
increased excretion of calcium....
«Ingestion of these fruits and nuts resulted in an
increase in
urinary 5 - hydroxyindoleacetic acid
excretion with no change in platelet serotonin concentration.
Common health disorders with
increased protein
excretion in urine include systemic infections,
urinary tract infections, kidney disorders (nephrotic syndrome with facial and feet swelling), heart disease, high blood pressure (including high blood pressure during pregnancy ─ preeclampsia or eclampsia), diabetes mellitus (excessive urination, fatigue), rheumatoid arthritis, systemic lupus erythematosus and certain cancers, lithium, lead, mercury intoxication [8].
In a study of persons with type 2 diabetes,
urinary ketone body
excretion increased from a mean of 0.10 mmol / d at the end of the usual diet to a peak of 2.75 mmol / d after 1 wk of the LCKD (P < 0.001); it then decreased gradually for a week but remained above baseline (13).
Unexpected observations were a prominent reduction in
urinary calcium
excretion from the run - in to the intervention phase with the fruits - and - vegetables diet and no
increase in calcium
excretion with the combination diet.
Urinary urea nitrogen
excretion, which is indicative of total protein intake,
increased substantially with the combination diet.
Urinary potassium
excretion increased substantially from the run - in phase to the intervention phase in the fruits - and - vegetables and combination groups (Table 3), and magnesium
excretion increased in the combination group.
Urinary phosphorus
excretion increased substantially in the combination group.
This pattern of findings can potentially be explained by the high fiber content of these two diets, which may have impeded calcium absorption.22 Nonetheless, the substantial
increase in
urinary phosphorus
excretion with the combination diet suggests that the subjects in this group did consume more dairy products than the other participants.
In a negative feedback loop, FGF - 23 inhibits the production and stimulates the degradation of 1,25 - dihydroxyvitamin D, as well as promotes an
increase in
urinary phosphorus
excretion independently of PTH and 1,25 - dihydroxyvitamin D (3).
These
increase calcium absorption and deposition, while reducing
urinary calcium
excretion.
Increasing dietary protein intake enhances intestinal calcium absorption, as well as
urinary calcium
excretion (9).
Calcitonin inhibits PTH secretion, decreases both bone resorption and intestinal calcium absorption, and
increases urinary calcium
excretion (Figure 1).
It was initially thought that high - protein diets may result in a negative calcium balance (when the sum of
urinary and fecal calcium
excretion becomes greater than calcium intake) and thus
increase bone loss (11).
Magnesium deficits and
increased urinary magnesium
excretion can occur in people with insulin resistance and / or type 2 diabetes [24,25].
Because of the
increased calcium
excretion brought on by furosemide (i.e. an
increase in
urinary calcium levels), there could be a problem using this medication in patients with a history of calcium oxalate bladder stone formation.