Search Results
Results 451 - 500 of 899
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McGregor J A - - 1999
OBJECTIVE: The object of the study was to characterize daily values and patterns of salivary estriol levels during normal pregnancy at mid to late gestation. Study Design: We measured salivary estriol levels in a clinical research center setting with an established enzyme-linked immunosorbent assay. Fourteen pregnant women (24-36 weeks' gestation) ...
Mørkved S - - 1999
The purpose of the study was to investigate the prevalence of urinary incontinence during pregnancy and the postpartum, and to examine postpartum pelvic floor muscle strength. Eight weeks postpartum the prevalence of urinary incontinence and pelvic floor muscle strength was registered. All women in a Norwegian community, delivering at the ...
Li C - - 1998
There has been little explanation of herbal medicines by modern medical sciences, including pharmacokinetics, whereas physicians follow empirical indications written in classical literature. Recent reports of herb-induced adverse reactions compelled us to proceed the investigation of a herbal medicine Shosaiko-to (TJ-9) from a pharmacokinetic point of view. To five healthy ...
Wachsberg R H - - 1998
Among 23 asymptomatic pregnant women with ureteral jets noted at color Doppler ultrasonography, jets were detected at only one ureteral orifice in three (13%) during the third trimester. In each such case, normal jets were detected from the suspicious ureter after the patient turned to the contralateral decubitus position. A ...
Stamilio D M - - 1998
Urinary tract abnormalities are fairly common in the perinatal period. Ultrasonography is an effective diagnostic tool for identifying fetal urinary tract anomalies and can be helpful in establishing prognosis and guiding treatment decisions. The sonographer is encouraged to characterize and localize the fetal urinary tract abnormality when identified. In doing ...
Glass I A - - 1998
A method for determining whether a pregnant woman with an extremely low serum oestriol (ELSE) measurement of mid-trimester is carrying a fetus with steroid sulphatase deficiency or another more serious disorder is described. We undertook GC/MS analysis of steroids in random maternal urine samples and quantified oestriol, oestriol precursors (dehydroepiandrosterone ...
Valentin L - - 1998
A review of the literature is presented. Congenital renal and urinary tract anomalies are described, and the possible consequences of detecting them in utero are discussed. Prenatal detection of lethal anomalies affords the parents the option of terminating the pregnancy. If termination of pregnancy is not an acceptable option for ...
Faúndes A - - 1998
OBJECTIVE: Dilatation of the urinary tract is common during pregnancy, but the limits between physiologic and pathologic dilatation are unknown. Our purpose was to establish the pattern of physiologic urinary tract dilatation during pregnancy. STUDY DESIGN: This was a cross-sectional study. The maximal caliceal diameter was measured by ultrasonography at ...
Uche-Nwachi E O - - 1998
Pregnant Wistar rats received a therapeutic dose (0.72 mg/kg body weight) of intramuscular sulfadoxine-pyrimethamine on days 5, 12, and 19 of gestation. The treated animals showed elevated neutrophilic lobe average and increased urinary excretion of formiminoglutamic acid (FIGLU) as compared with controls (p < 0.001), confirming folic acid deficiency due ...
Stigter R H - - 1998
Fetal bladder volume and hourly fetal urine production (HFUPR) is calculated on the assumption that the fetal bladder is ellipsoid in shape. A recent validation study demonstrated a progressive overestimation at increasing bladder volumes. This may be due to changes in shape of the fetal bladder at increasing volumes. Two ...
Akisü M - - 1998
The diagnosis of perinatal asphyxia is often inexact and present techniques for assessing its severity are unsatisfactory. The purpose of this study was to describe prospectively the value of the urinary uric acid to creatinine (UA/Cr) ratio in showing increased uric acid excretion in early spot urine samples for the ...
Moran P A - - 1998
In 4 cases, the clinical presentation of urethral diverticulum (UD) during pregnancy was a paraurethral mass (3), urinary incontinence (2), irritative symptoms (2), urinary tract infection (1), urethral pain and discharge (1) and voiding difficulty (1). The diagnosis of UD during pregnancy was made by transvaginal ultrasonography (2), cystoscopy (1), ...
Fauza D O - - 1998
BACKGROUND/PURPOSE: Treatment of several congenital anomalies is frequently hindered by lack of enough tissue for surgical reconstruction in the neonatal period. Minimally invasive harvest of fetal tissue, which is then processed through tissue engineering techniques in vitro while pregnancy is allowed to continue so that at delivery a newborn with ...
Pannek J - - 1998
In 1852, Simon was the first to describe a urinary diversion using intestinal segments. In the late 19th and early 20th century, in the absence of antibiotics, urinary diversion using bowel segments carried a high risk of peritonitis. When Coffey introduced a new method for ureteric implantation in 1911, ureterosigmoidostomy ...
Paruk F - - 1997
One hundred and fifty patients were recruited to assess the reliability of a random urinary dipstick for protein compared with 24 hour urine analysis and to determine if a shorter interval of collection is reliable in screening for proteinuria in hypertensive disorders of pregnancy. These patients were instructed in the ...
Buhr R J - - 1997
Stunning and slaughter trials were conducted to evaluate the influence of stunning method (electrical 50 V alternating current, CO2 gas: 0 to 40% for 90 s or 40 to 60% for 30 s) on feather retention force (FRF) in commercial broilers. Feathers from the pectoral, sternal, and femoral feather tracts ...
Szenci O - - 1997
On Days 26, 28, and 30 after AI, ultrasonographic pregnancy diagnoses were performed on 207 gilts and sows by using a 3.5 MHz linear-array transducer. Fecal samples were taken from the rectum after each ultrasonographic examination, and the concentrations of unconjugated estrogens in selected samples (n = 73) were measured ...
Yamaga A - - 1997
Previously we reported an increase in bone resorption during pregnancy and lactation by measuring pyridinoline (Pyr) and deoxypyridinoline (D-Pyr). To further assess bone metabolism during peripuerperal periods, we measured the urinary excretions of C-telopeptide (CTX) and cross-linked N-telopeptide (NTX) of type I collagen, new markers of bone resorption. In addition ...
Clark B A - - 1997
Cyclic GMP, endothelin and prostaglandin E2 (PGE2) all have systemic vasoactive properties (with cyclic GMP acting as a second messenger of nitric oxide). Intrarenally they act as natriuretics and urinary levels reflect intrarenal production. Cyclic GMP and PGE2 also act as important inhibitors of platelet activation and thrombosis. The purpose ...
Wax J R - - 1997
A patient with preexisting multiple endocrine neoplasia type IIA had normal 24-hour urinary metanephrine and vanillylmandelic acid excretions before and during pregnancy. After a benign prenatal course, the patient had a term spontaneous vaginal delivery. Multiple endocrine neoplasia type IIA antedating pregnancy may be associated with a normal obstetric outcome ...
Yip S K - - 1997
OBJECTIVE: The three objectives of this study are: to investigate the incidence of post-partum urinary retention after vaginal delivery, to investigate the relationship between various obstetric parameters and the post-partum post-void residual bladder volume and to study the natural progression of the post-void residual bladder volume in patients with covert ...
Cardozo L - - 1997
Lower urinary tract symptoms are almost universal in the antenatal period and in most cases are transient. Retention of urine is one of the few conditions which must be treated as there may be long-term consequences. The symptoms of frequency and stress incontinence are those which have been most examined ...
Eley B M - - 1997
This is the fifth article in a series of seven on the future of dental amalgam. This covers the studies of mercury distribution to the blood, body organs and the fetus and its excretion in the urine and faeces of humans and experimental animals. It firstly describes the clinical studies ...
Mock D M - - 1997
OBJECTIVE: To assess biotin nutritional status during normal human gestation. METHODS: Urine samples were obtained in a cross-sectional design from 16 women in early pregnancy (17 +/- 1 weeks, mean +/- 1 SD) and from 13 women in late pregnancy (36 +/- 1 weeks). The urinary excretion of biotin, two ...
Yoo S J - - 1997
We present the sonographic findings of a fetus with a vesicoallantoic cyst. The cyst was first identified at 17 weeks of gestation; it was associated with an omphalocele, and disappeared spontaneously at 29 weeks. The fetal urinary bladder was not visualized thereafter. An omphalocele and exstrophia of the urachus were ...
Khedun S M - - 1997
The aim of this study was firstly to establish whether tissue kallikrein (TK) was involved in the aetiology of hypertensive disorders of pregnancy. Secondly, to assess whether tissue kallikrein:creatinine ratios may differentiate normotensive pregnant women from those with hypertensive disorders of pregnancy and have a predictive value. Random untimed urine ...
Tomezsko J E - - 1997
Pregnancy, labor, delivery, and the puerperium cause many changes in the urinary and genital tracts. The management of lower urinary tract symptoms, disease, and genital prolapse during and after pregnancy is controversial. Patients treated surgically for incontinence, genital prolapse, and lower urinary tract reconstruction present a challenge to the obstetrician ...
Nigro D A - - 1997
OBJECTIVES: Interstitial cystitis is a symptom complex characterized by pelvic pain, urinary urgency, urinary frequency, and nocturia. Patients with these symptoms, at the 5 clinical centers participating in the National Interstitial Cystitis Data Base (ICDB) Study, have been evaluated with history and physical exams, questionnaires, and urodynamic studies. METHODS: Of ...
Mock D M - - 1997
This study assessed biotin nutritional status longitudinally during pregnancy as judged by urinary excretion of biotin and biotin metabolites and by serum concentration of biotin. 3-Hydroxyisovaleric acid excretion was also assessed because increased excretion of that acid reflects decreased tissue activity of the biotin-dependent enzyme, methylcrotonyl-CoA carboxylase. Thirteen women provided ...
Tan H H - - 1997
A 91-year-old Chinese man developed bilateral lower limb oedema due to venous obstruction resulting from a distended urinary bladder. After the bladder was decompressed by urethral catheterisation, the bilateral lower limb oedema promptly subsided. Although a distended urinary bladder is a rare cause of bilateral lower limb oedema, it can ...
Swift S E - - 1997
OBJECTIVE: To determine if a cystometrogram performed using the intrauterine pressure channel of a fetal monitor can be used to screen for detrusor instability in women undergoing evaluation for urinary incontinence. METHODS: Sixty-six women with primary complaints of urinary incontinence were randomized to have a cystometrogram performed at their initial ...
Söderholm J D - - 1997
The study aimed at applying closed segmental intestinal perfusion with a multichannel tube (Loc-I-Gut) for studies of regional small bowel permeability to different-sized polyethylene glycols and to compare jejunal absorption with absorption after oral load in healthy subjects. Intestinal perfusion was performed in 10 healthy volunteers and recovery of (14)C-labeled ...
Michel K E - - 1997
OBJECTIVE: To investigate whether urinary urea nitrogen (UUN) content can be used to accurately estimate total urinary nitrogen content in hospitalized dogs. DESIGN: Prospective, cohort study. ANIMALS: 24 client-owned dogs admitted to an intensive care unit of a veterinary teaching hospital. PROCEDURE: Indwelling urinary catheters and closed collection systems were ...
McClelland I S - - 1997
Urea kinetics were measured in normal women aged 22-34 years at weeks 16, 24 and 32 on either their habitual protein intake (HABIT) or a controlled intake of 60 g protein/d (CONTROL), using primed-intermittent oral doses of [15N15N]urea and measurement of plateau enrichment in urinary urea over 18 h (ID) ...
Jackson A A - - 1997
Urinary 5-L-oxoproline was measured during normal pregnancies in Southampton, England and Kingston, Jamaica. The CV of 5-L-oxoproline excretion in urine, determined over 7 d in a non-pregnant woman and three pregnant women, was 10-36%. Compared with non-pregnant women, urinary 5-L-oxoproline increased three to four times from early pregnancy in women ...
Rohrmann D - - 1997
We evaluated compliance in the developing bladder using a newly developed animal model of posterior urethral valves: partial infravesical obstruction in the fetal rabbit bladder. Partial bladder outlet obstruction was created in fetal rabbits at day 23 of a 31 to 32-day gestation period. An in vitro whole bladder preparation ...
Kodama H - - 1997
Triethylene tetramine dihydrochloride (trien 2HCl) has been used for the treatment of Wilson's disease, which is characterized by the accumulation of copper in various organs. We previously developed an HPLC system for analyzing trien, and found a trien metabolite in the urine when trien was orally given to humans. In ...
Begum S - - 1996
OBJECTIVE: The purpose of this study is to clarify the physiological role of nitric oxide (NO) in normal pregnancy and preeclampsia. STUDY DESIGN: Thirty normotensive women (1st trimester, n = 7; 2nd trimester, n = 6; 3rd trimester, n = 10; puerperal period, n = 7) and 19 patients with ...
Muller F - - 1996
Evaluation of fetal renal function by analysis of fetal urine sampled in utero may improve perinatal care after a prenatal diagnosis of bilateral obstructive uropathy. We provide reference intervals for 10 fetal urinary compounds and examine their variation with gestational age. Forty-one fetuses with bilateral obstructive uropathy (urine sampled between ...
Deng A - - 1996
Studies were conducted to investigate the impact of nitric oxide synthesis inhibition on blood pressure and glomerular hemodynamic adaptations to pregnancy in the rat. In normal pregnancy, urinary excretion of NO2 + NO3 (NOx), reflecting increased nitric oxide (NO) production, progressively increased. Blockade of NO production in virgin and late ...
Bar J - - 1996
The albumin excretion rate (AER) is elevated in normal pregnant women in the third trimester of pregnancy, compared to the second and first trimesters, and to the non-pregnant state. The effect of early pregnancy on AER values was tested in normal and high-risk pregnant patients using radioimmunoassay. All pregnant patients ...
Commentz J C - - 1996
We investigated the ontogeny of melatonin synthesis during fetal maturation by measuring the melatonin (MLT) and 6-hydroxymelatonin sulfate (MLTS) excretion in the urine of male infants aged 2-7 days and gestational age 26-42 weeks. We found a negative correlation between advancing gestational age and the MLT and MLTS excretion expressed ...
Massé J - - 1996
OBJECTIVE: To determine if microalbumin excretion can predict the development of premature delivery. METHODS: The possibility of predicting, early in pregnancy, the development of a preterm delivery using urinary albumin was investigated in 1422 nulliparous women recruited prospectively. A first morning urine sample was collected at three occasions during pregnancy ...
Langer B - - 1996
The criteria for the detection of fetal pyelectasis are still controversial. Prenatal and postnatal data from 2,170 consecutive pregnant women who underwent at least one antenatal ultrasound scan were prospectively studied. Fetal pyelectasis was defined on the basis of a mean renal pelvis dimension > 5 or 10 mm before ...
Bettica P - - 1996
We have previously shown that galactosyl hydroxylysine (GHYL), pyridinoline (PYD), and deoxypyridinoline (DPD) have a better accuracy and discriminate power than hydroxyproline in distinguishing postmenopausal osteoporotic women from premenopausal controls. In this study, we evaluated the clinical performances of GHYL, PYD, and DPD, alone or in combination, in distinguishing postmenopausal ...
Natowicz M R - - 1996
A deficiency of the lysosomal enzyme arylsulfatase A (ASA) causes the lysosomal storage disorder metachromatic leukodystrophy (MLD). The diagnosis of MLD is straightforward in cases with deficient leukocyte or fibroblast ASA activity and a typical clinical history. However, several atypical and late-onset forms of MLD have been described. The diagnosis ...
Halstead L R - - 1996
Using a mouse model (Hyp) of human hypophosphatemic vitamin D-resistant rickets [X-linked hypophosphatemia (XLH)], we compared the effects of 22-oxa-1,25-dihydroxyvitamin D3 (OCT) and 1,25-dihydroxyvitamin D3 [1,25(OH)2D3] on restoring defects in mineral and skeletal metabolism. Hyp/Y mice received OCT or 1,25(OH)2D3 at doses of 0.05-0.25 micron.kg-1.day-1 for 4 wk. OCT normalized ...
Barzilai M - - 1996
We report a case of renal cortical abscess in a gravid woman. The abscess was documented by US as well as by MRI. The development of a kidney abscess is extremely rare despite the fact that urinary tract infections are quite common during pregnancy. The limitations of the diagnostic work-up ...
Welch T R - - 1996
Hypercalciuria in the absence of urolithiasis has been considered to be a cause of asymptomatic hematuria. No mechanism for this association has been demonstrated. In an effort to establish the specificity of this association, we induced hypercalciuria in 10 healthy subjects by oral administration of 1,25(OH)2 vitamin D for 10 ...
Roy C - - 1996
The purpose of this study was to assess the value of the fast imaging sequence called RARE (rapid acquisition with relaxation enhancement) MR urography (or RMU) in pregnant women with painful ureterohydronephrosis. A total of 17 pregnant women with an acute flank pain were examined with RMU. Results were compared ...
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