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They consist of magnesium ammonium phosphate, carbonate apatite and monoammonium urate. Alkaline urine is most favorable to their formation. Urinary tract obstruction, neurogenic bladder, voiding dysfunction, temporary or indwelling urinary catheters, distal renal tubular acidosis and medullary sponge kidney are considered the main risk factors ...
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May 01, 2000· In a patient with kidney stones, an elevated serum calcium level usually means hyperparathyroidism or, much less frequently, sarcoidosis. ... Hydroxyapatite, and particularly carbonate apatite, should raise the suspicion of HPT or a renal tubular defect. This latter form of apatite almost always means renal tubular acidosis, use of carbonic ...
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Jul 24, 2013· Those specimens designated as carbonate apatite (n = 7) had on average a greater carbonate content (16.9 ± 2.9 %, P < 0.004 by t test). All seven of the patients designated as having carbonate apatite stones also had a positive stone culture, compared with only 24 of the 44 designated as hydroxyapatite (P < 0.05, Fisher's exact …
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Aug 23, 2021· Kidney stone disease (nephrolithiasis) is a common problem in primary care practice. Patients may present with the classic symptoms of renal colic and hematuria ... The two forms of calcium phosphate include apatite (sometimes reported as carbonate apatite), which is the crystal type found in bone, or calcium hydrogen phosphate (brushite); the ...
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Carbonate Apatite stones. I had 10 kidney stones removed and passed one while I was waiting 6 weeks to have surgery. It's been difficult to communicate with my doctors office to say the least. I managed to get a copy of the stone analysis which revealed Carbonate Apatite stones. Can you tell me what the common name is for these stones ...
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The presence of infectious microorganisms in urinary stones is commonly inferred from stone composition, especially by the presence of struvite in a stone. The presence of highly carbonated apatite has also been proposed as a marker of the presence of bacteria within a stone. We retrospectively studied 368 patients who had undergone percutaneous …
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The mainstay of treatment of infection stones is complete stone removal. Kidney stones that obstruct the urinary tract and cause obstructive pyelonephritis are also frequently referred to as infected stones. Obstructive pyelonephritis is a urologic emergency as it can result in sepsis and even death. Infection stones and obstructive stones ...
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Eating too many foods high in protein can cause stones to form. Eat less salt (sodium). A diet high in salt ( sodium) causes calcium to build in your urine. Too much calcium in your urine can lead to new stones. It can also cause your bones to weaken. Include the right amount of calcium in your diet.
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The most important phosphates involved in urinary stone disease are carbonate apatite, brushite, and struvite. Overall, phosphate stones account for 12-20% of all stones, with a downward trend for struvite and an increase in carbonate apatite being observed in the last decade. The physicochemical basis for the formation of phosphate calculi is ...
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Communities > Kidney Disease & Disorders > carbonate apatite stone. Aa. A. A. A. Close carbonate apatite stone ... You are reading content posted in the Kidney Disease & Disorders Community Ask a question. Browse Community. Top Digestive Answerers ChitChatNine. purple1234567.
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Jul 24, 2013· Those specimens designated as carbonate apatite (n=7) had on average a greater carbonate content (16.9±2.9%, P<0.004 by t-test). All 7 of the patients designated as having carbonate apatite stones also had a positive stone culture, compared with only 24 of the 44 designated as hydroxyapatite (P<0.05, Fisher's exact test).
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In 51 patients in whom the carbonate content of apatite could be measured, carbonate in the apatite was weakly predictive of positive stone culture with an optimal cutoff value of 13.5 % carbonate (sensitivity 0.61, specificity 0.80). In positive cultures of stones (all mineral types combined), organisms that characteristically produce urease ...
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Honestly a pizza once in a while should be absolutely fine. If you are unsure about your diet and wether or not it even is related to your specific stones i'd strongly advise you to consult your doctor/ see a dietician/ read up online. nid990 • 3 mo. ago. I have asked my doctor.
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Abstract. The presence of infectious microorganisms in urinary stones is commonly inferred from stone composition, especially by the presence of struvite in a stone. The presence of highly carbonated apatite has also been proposed as a marker of the …
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Collection of carbonate apatite stones removed percutaneously from a kidney. 2mm and 4mm uric acid stones removed with ureteroscopy. Multiple large smooth kidney stones removed percutaneously from a single kidney. Largest stone measures 1.2 cm in size. Analysis demonstrated 70% calcium oxalate monohydrate and 30% calcium phosphate. …
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Nanobacteria produce carbonate apatite on their cell walls. Data on Randall's plaques suggest that apatite may initiate kidney stone formation. We assessed nanobacteria in 72 consecutively collected kidney stones from Finnish patients. Methods: Nanobacteria and kidney stone units were compared using scanning electron microscopy (SEM ...
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CLASSIFICATION OF KIDNEY STONES. The most common types of kidney stones are ... the permeability of colonic epithelium to oxalate. Treatment includes a low-oxalate and low-fat diet. Calcium carbonate supplements, 1.3 g three times a day with meals, and cholestyramine bind oxalate in the intestinal lumen. ... (apatite or brushite). Infection ...
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Posted by Kristin on May 12, 1999 at 10:08:39 I have the results on my kidney stone, and it turns out to be homogeneously nucleated, 75% hydroxyl apatite. The rest was a mix of carbonate apatite and oxolate. It also demonstrated a protein matrix. My question is, in the absence of any history of UTI's, what other conditions can cause this type of stone?
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Struvite stones, also called "infection stones" or Mg-NH4+ carbonate-apatite stones, only form when urease-producing bacteria are present in the upper urinary tract, Dr. Curhan noted. Complete stone removal is required, and further stones can be prevented by preventing urinary tract infections (UTIs), he said. https://acpinternist ...
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Feb 02, 2016· Kidney stones are mineral deposits in the renal calyces and pelvis that are found free or attached to the renal papillae. They contain crystalline and organic components and are formed when the urine becomes supersaturated with respect to a mineral. ... Struvite and associated carbonate apatite crystals can grow quickly into large stones ...
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If the average calcium phosphate content is above 50% the patient is considered a calcium phosphate stone former. The average must be computed using 0 – for example, given CaOx/CaP percentages of 100/0, 0/100, 40/60, the correct classification is 140/3 vs 160/3 or 46% CaOx vs 53%, and so a CaP stone former.
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My recent kidney stone analysis is comprised of these components dated 7/21/2021; 1. 20% calcium oxalate (monohydrate and dihydrate) 2. 60% calcium monohydrogen phosphate dihydrate (brushite) 3. 20% calcium phosphate (hydroxy-and carbonate-apatite) one of my stones was 9mm. Any advise, help, or analysis would be greatly appreciated.
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Kidney stones composed predominantly (50% or more) of calcium phosphate constitute up to 10% of all stones and 15%–20% of calcium stones, 80% of which are composed of calcium oxalate. ... Patients with carbonate apatite as a component of stones should have urinary tract infection ruled out, particularly if it exists combined with struvite ...
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