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https://www.readbyqxmd.com/read/28938410/sex-difference-in-the-clinical-presentation-of-primary-hyperparathyroidism-influence-of-menopausal-status
#1
COMPARATIVE STUDY
Elena Castellano, Roberto Attanasio, Alberto Boriano, Micaela Pellegrino, Francesca Garino, Laura Gianotti, Giorgio Borretta
Context: Female-to-male ratio in primary hyperparathyroidism (PHPT) is 3:1, but data on sex impact on the clinical presentation are limited. Design: We evaluated, retrospectively, sex difference in biochemistry and clinical presentation at diagnosis in a monocentric series of 417 patients with PHPT: 93 men (58.6 ± 14.5 years), and 324 women (61.7 ± 12.8 years), of whom 54 were premenopausal (pre-F) and 270 postmenopausal (post-F). Results: Men were significantly younger (P = 0...
November 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28900379/postmenopausal-hormone-and-the-risk-of-nephrolithiasis-a-meta-analysis
#2
Juan Yu, Binyan Yin
Menopause is reported to be associated with increased urinary calcium excretion, which may enhance the risk for the development of calcium kidney stones. However, it remains controversial about whether high level of postmenopausal hormone (PMH) is a risk factor for formation of nephrolithiasis. Several observational studies have shown that PMH is protective based on 24-hour urinary parameters. Recent clinical trials provided evidence to conclude that estrogen therapy increases the risk of nephrolithiasis in healthy postmenopausal women...
2017: EXCLI journal
https://www.readbyqxmd.com/read/26225710/association-of-cytochrome-17-mspa1-gene-polymorphism-with-risk-of-gall-bladder-stones-and-cancer-in-north-india
#3
COMPARATIVE STUDY
Shipra Dwivedi, Sarita Agrawal, Shraddha Singh, Amit Kumar Madeshiya, Devendra Singh, Abbas Ali Mahdi, Abhjeet Chandra
BACKGROUND: Cholelithiasis is associated in 54%-98% of patients with carcinoma of the gallbladder, and a high incidence among females suggests a role of female hormones in the etiology of the disease. Cytochrome P450C17α (CYP-17) is a key enzyme involved in estrogen metabolism and polymorphisms in CYP-17 are associated with altered serum levels of estrogens. Thus, we investigated whether the CYP-17 MspA1 gene polymorphism might impact on risk of gall bladder cancers or gallstones, as well as to determine if this gene polymorphism might be linked with estrogen serum levels and lipid profile among the North Indian gall bladder cancer or gallstone patients...
2015: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/25251090/autosomal-dominant-polycystic-kidney-disease
#4
Ajay Srivastava, Neel Patel
Autosomal dominant polycystic kidney disease (ADPKD) is the most common inherited cause of kidney disease. Enlarging cysts within the kidneys are the clinical hallmark of the disease. Renal manifestations include varying degrees of kidney injury, urinary tract infections, kidney stones, and hematuria. Extrarenal manifestations can include pain, hypertension, left ventricular hypertrophy, hepatic cysts, intracranial aneurysm, diverticulosis, and abdominal and inguinal hernias. The progression of ADPKD cannot be reversed with current treatment modalities; therefore, therapies target the resulting clinical manifestations...
September 1, 2014: American Family Physician
https://www.readbyqxmd.com/read/23689153/calcium-and-vitamin-d-supplementation-and-risk-of-kidney-stone-formation-in-postmenopausal-women
#5
Anousheh Haghighi, Hamidreza Samimagham, Golnar Gohardehi
INTRODUCTION: Calcium and vitamin D are essential structural components of the skeletal system, which prevent osteoporosis after menopause. However, there is a controversial debate on the association between the intake of calcium and vitamin D supplements and the increased risk of formation of kidney calculi in postmenopausal women. which yet have to be confirmed. This study aimed to compare the metabolic changes after supplementation of calcium and vitamin D and examine the risk of stone formation...
May 2013: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/22996743/impact-resistance-training-improves-bone-health-and-body-composition-in-prematurely-menopausal-breast-cancer-survivors-a-randomized-controlled-trial
#6
RANDOMIZED CONTROLLED TRIAL
K M Winters-Stone, J Dobek, L M Nail, J A Bennett, M C Leo, B Torgrimson-Ojerio, S-W Luoh, A Schwartz
UNLABELLED: Our randomized controlled trial in prematurely menopausal breast cancer survivors showed that impact + resistance training prevented increases in percentage of body fat compared with controls and also improved BMD at the hip and prevented BMD loss at the spine among exercise-trained women who were menopausal for >1 year. INTRODUCTION: Cancer treatment-related menopause worsens bone health and body composition in breast cancer survivors (BCS). We investigated whether impact + resistance training could improve bone mineral density (BMD), reduce bone turnover, build muscle, and decrease fat mass in BCS with premature menopause...
May 2013: Osteoporosis International
https://www.readbyqxmd.com/read/22460994/biochemical-evaluation-in-renal-stone-disease
#7
Corrado Vitale, Emanuele Croppi, Martino Marangella
Renal stone disease may ensue from either derangements of urine biochemistries or anatomic abnormalities of kidneys and urinary tract. Genetic, environmental and dietary factors may also cooperate in the pathophysiology of nephrolithiasis. An adequate metabolic evaluation should focus on the urinary excretion of promoters and inhibitors of stone formation as well as on the occurrence of systemic diseases potentially related to secondary nephrolithiasis (i.e., endocrine disturbances, malabsorption, bone diseases)...
May 2008: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/22216390/urinary-tract-infection-in-postmenopausal-women
#8
Raul Raz
Urinary tract infection (UTI) is the most common bacterial infection in women in general and in postmenopausal women in particular. Two groups of elderly women with recurrent UTI should be differentiated regarding age and general status: healthy, young postmenopausal women aged 50 to 70 years who are neither institutionalized or catheterized and elderly institutionalized women with or without a catheter. Bacteriuria occurs more often in elderly functionally impaired women, but in general it is asymptomatic...
December 2011: Korean Journal of Urology
https://www.readbyqxmd.com/read/19389005/vitamin-d-repletion-does-not-alter-urinary-calcium-excretion-in-healthy-postmenopausal-women
#9
Kristina L Penniston, Andrea N Jones, Stephen Y Nakada, Karen E Hansen
OBJECTIVE: To evaluate, in a posthoc analysis of a previous study, whether vitamin D repletion in postmenopausal women with insufficient vitamin D increases urinary calcium excretion, as vitamin D therapy might contribute to hypercalciuria and calcium stones in susceptible individuals, and the effect of vitamin D on the risk of urolithiasis warrants attention. SUBJECTS AND METHODS: We recruited 18 women at > or =5 years after menopause who had vitamin D insufficiency (serum 25(OH)-vitamin D, 16-24 mg/dL)...
November 2009: BJU International
https://www.readbyqxmd.com/read/17708714/aromatase-deficiency-causes-altered-expression-of-molecules-critical-for-calcium-reabsorption-in-the-kidneys-of-female-mice
#10
Orhan K Oz, Asghar Hajibeigi, Kevin Howard, Carolyn L Cummins, Monique van Abel, Rene Jm Bindels, R Ann Word, Makoto Kuro-o, Charles Y C Pak, Joseph E Zerwekh
UNLABELLED: Kidney stones increase after menopause, suggesting a role for estrogen deficiency. ArKO mice have hypercalciuria and lower levels of calcium transport proteins, whereas levels of the klotho protein are elevated. Thus, estrogen deficiency is sufficient to cause altered renal calcium handling. INTRODUCTION: The incidence of renal stones increases in women after menopause, implicating a possible role for estrogen deficiency. We used the aromatase deficient (ArKO) mouse, a model of estrogen deficiency, to test the hypothesis that estrogen deficiency would increase urinary calcium excretion and alter the expression of molecular regulators of renal calcium reabsorption...
December 2007: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/16425740/-epidemiology-of-nephrolithiasis-in-france
#11
REVIEW
M Daudon
Nephrolithiasis is a frequent disease that affects about 10% of people in western countries. The prevalence of calcium oxalate stones has been constantly increasing during the past fifty years in France as well as in other industrialized countries. Stone composition varies depending to gender and age of patients and also underlines the role of other risk factors and associated pathologies such as body mass index and diabetes mellitus. The decrease in struvite frequency in female patients is the result of a significantly improved diagnostic and treatment of urinary tract infections by urea-splitting bacteria...
December 2005: Annales D'urologie
https://www.readbyqxmd.com/read/16311769/influence-of-estrus-status-on-urinary-chemical-parameters-related-to-urolithiasis
#12
Yuji Kato, Satoshi Yamaguchi, Hidehiro Kakizaki, Sunao Yachiku
The present study examines the urinary chemical parameters related to urolithiasis in healthy female volunteers during premenopause and menopause, and discusses the role of menopause in stone formation. We investigated 24-h urine parameters associated with urinary stones and focused upon estrus status. Participants comprised 30 healthy women, 15 childless, premenopausal women and 15 menopausal women without a history of urolithiasis. Our results showed that menopausal women have lower citrate and higher calcium excretion, which might enhance calcium stone crystallization...
December 2005: Urological Research
https://www.readbyqxmd.com/read/15952405/long-term-potassium-citrate-therapy-and-bone-mineral-density-in-idiopathic-calcium-stone-formers
#13
F Vescini, A Buffa, G La Manna, A Ciavatti, E Rizzoli, A Bottura, S Stefoni, R Caudarella
Several authors have described an association between idiopathic calcium (Ca) stone disease and bone mass reduction. Hypocitraturia is a frequent feature of urolithiasis, and alkaline citrate has been recommended as one of the choice treatments in this disease. Some evidence exists as to the positive effect of potassium (K) citrate therapy on bone mass. The aim of this work was the longitudinal evaluation of bone mineral density (BMD) changes in a group of Ca oxalate stone formers treated with K citrate for two years...
March 2005: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/15948718/analysis-of-bone-mineral-density-in-urolithiasis-patients
#14
COMPARATIVE STUDY
Hidenori Tsuji, Tohru Umekawa, Takashi Kurita, Hirotsugu Uemura, Masanori Iguchi, Kokai Kin, Kazuhiro Kushida
BACKGROUND: The association between hypercalciuria and bone mineral density (BMD) has been already recognized. The aim of the present study is to relate BMD to age and sex and to evaluate the calcium metabolism and hypercalciuria-defined dietary or non-dietary category in patients with urolithiasis. METHODS: The BMI of the L2-L4 lumbar vertebrae was measured in 310 renal stone patients (191 men and 119 women). Percent age matched score (%AMS), which is the percent ratio of measured BMD to the mean BMD of age-matched control subjects, was utilized for the appraisal of BMD...
April 2005: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/15688852/cadmium-osteoporosis-and-calcium-metabolism
#15
REVIEW
George Kazantzis
Occupational exposure to cadmium has for long been associated with renal tubular cell dysfunction, osteomalacia with osteoporosis, hypercalciuria and renal stone formation. High environmental exposure in Japan resulting from a stable diet of cadmium contaminated rice caused itai-itai disease, fractures occurring mainly in elderly multiparous women, with a form of osteomalacia, osteoporosis and renal dysfunction. More recently a population based study in Europe, in the vicinity of zinc smelters has shown that low to moderate exposure to cadmium, with a mean urinary excretion of cadmium of the order of 1 microg/g creatinine has been associated with a decrease in bone density, an increased risk of bone fractures in women and of height loss in men...
October 2004: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/15629728/predictors-of-urinary-tract-infection-after-menopause-a-prospective-study
#16
Sara L Jackson, Edward J Boyko, Delia Scholes, Linn Abraham, Kalpana Gupta, Stephan D Fihn
PURPOSE: To describe the incidence of and risk factors for acute cystitis among nondiabetic and diabetic postmenopausal women. METHODS: We conducted a population-based, prospective cohort study of 1017 postmenopausal women, aged 55 to 75 years, who were enrolled in a health maintenance organization and followed for 2 years. A wide range of behavioral and physiologic exposures were assessed at baseline interview and follow-up clinic visits; the main outcome measure was microbiologically confirmed acute symptomatic cystitis...
December 15, 2004: American Journal of Medicine
https://www.readbyqxmd.com/read/12707395/menopause-and-postmenopausal-hormone-use-and-risk-of-incident-kidney-stones
#17
Holly J Mattix Kramer, Francine Grodstein, Meir J Stampfer, Gary C Curhan
Menopause is associated with increased urinary calcium excretion, which could increase the risk for the development of calcium-containing kidney stones. However, it is unknown whether menopause and postmenopausal hormone (PMH) use are independent risk factors for incident kidney stone disease in women. Data from 91,731 female Nurses' Health Study participants who provided information on diet, menopause status, and kidney stone disease were used to examine the independent association between menopause and PMH use and risk of incident kidney stones...
May 2003: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/12394677/etiological-role-of-estrogen-status-in-renal-stone-formation
#18
Howard J Heller, Khashayar Sakhaee, Orson W Moe, Charles Y C Pak
PURPOSE: Estrogen may protect against kidney stone formation since nephrolithiasis is more common in men than in women. Moreover, the incidence of stones rises after menopause in women. We examined the contribution of estrogen to kidney stone risk by comparing outpatient evaluations in the 2 genders, and in estrogen treated and untreated postmenopausal women. MATERIALS AND METHODS: We reviewed the results of the initial evaluation of 1,454 adult calcium oxalate stone formers, including 1,050 men and 404 women...
November 2002: Journal of Urology
https://www.readbyqxmd.com/read/11743298/estrogen-replacement-increased-the-citrate-and-calcium-excretion-rates-in-postmenopausal-women-with-recurrent-urolithiasis
#19
COMPARATIVE STUDY
Jayant Dey, Amery Creighton, Jill S Lindberg, Harold A Fuselier, Dirk J Kok, Francis E Cole, Lee L Hamm
PURPOSE: Epidemiological data indicate a sharp increase in urinary calcium stone formation after menopause. We investigated the role of menopausal estrogen replacement therapy on the urinary constituents and characteristics that may influence recurrent calcium oxalate stone disease. MATERIALS AND METHODS: Urinary constituents in 28 postmenopausal women on estrogen replacement therapy for more than 6 months were compared with those in 41 women who had never been exposed to estrogen after menopause...
January 2002: Journal of Urology
https://www.readbyqxmd.com/read/8360790/the-nature-and-significance-of-the-relationship-between-urinary-sodium-and-urinary-calcium-in-women
#20
B E Nordin, A G Need, H A Morris, M Horowitz
Orally or parenterally administered sodium is known to increase urinary calcium in experimental animals and humans, and there is well-documented correlation between urinary sodium and calcium in 24-h urine collections from normal subjects and renal stone formers. The correlation between urinary sodium and calcium is generally sodium driven, i.e., it is the sodium load that influences urinary calcium rather than vice versa, but the converse may also occur, as after an oral calcium load or in hypercalcemia. When sodium is the determinant, 100 mmol of sodium takes out approximately 1 mmol of calcium in the urine...
September 1993: Journal of Nutrition
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