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Results 101 - 150 of 947
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Miwa Ichiro - - 2009
OBJECTIVE: To characterize pathophysiologic features of a "thin" endometrium. DESIGN: A prospective observational study. SETTING: University Hospital and City General Hospital. PATIENT(S): Patients with normal-thickness endometrium (Normal-Em group: endometrial thickness >or=8 mm; n = 57) and thin endometrium (Thin-Em group: endometrial thickness <8 mm; n = 17). MAIN OUTCOME MEASURE(S): ...
Dechaud Herve - - 2008
In IVF programmes, transvaginal ultrasonography is used as a non-invasive method to evaluate uterine receptivity. The aim of this study was to determine when to perform this investigation in order to optimize prediction of the likelihood of pregnancy. Over 9 months, 124 patients undergoing IVF or intracytoplasmic sperm injection were ...
Golestani Reza - - 2008
OBJECTIVE: Measuring blood flow using a special form of color Doppler ultrasonography can help radiologists to identify the stages of development of organs, such as the uterus and ovary. The aim of this study was to determine the relationship between arterial blood flow to the uterus and ovaries at different ...
Ferreira J C - - 2008
Transrectal color and power Doppler ultrasonography was used to study uterine blood flow and perfusion in mares with and without uterine cysts. Vascular perfusion of the uterus and blood flow velocities, vascular perfusion, diameter, circumference, and area of a cross section of the mesometrial attachment were evaluated. To study the ...
Shirasuna Koumei - - 2008
Prostaglandin F(2)(alpha) (PGF(2)(alpha)) released from the uterus causes alterations in luteal blood flow, reduces progesterone secretion, and induces luteolysis in the bovine corpus luteum (CL). We have recently discovered that luteal blood flow in the periphery of the mature CL acutely increases coincidently with pulsatile increases in a metabolite of ...
Cho SiHyun - - 2008
OBJECTIVE: The aim of this study was to evaluate the long-term clinical effects of a levonorgestrel-releasing intrauterine device (LNG-IUD) on adenomyosis. STUDY DESIGN: A LNG-IUD was inserted into 47 patients who were diagnosed with adenomyosis. Uterine volume, uterine artery blood flow, pictorial blood loss assessment chart (PBAC) scores, and the ...
Krzymowski T - - 2008
A critical analysis of the results of research in the function of the endometrium was carried out and a view point presented. The role of the endometrium in endocrine regulation of the oestrus cycle can be summarized as follows: 1. The transfer of prostaglandin F(2alpha) (PGF(2alpha)) from the uterus to ...
Jiménez Mirela Foresti - - 2008
To evaluate the effect of the levonorgestrel intrauterine system (LNG-IUS) and TCU 380A on the subendometrial vascularization and the uterine artery blood flow during the midluteal phase. Prospective clinical trial. Teaching hospital. The trial included 27 patients who received the LNG-IUS compared with 25 patients who received the TCU 380A. ...
Shen O - - 2008
AIM: To determine the effect of a copper-medicated intrauterine device (IUD) on ovarian, uterine, arcuate, radial and subendometrial Doppler-derived indices of blood flow. METHOD: 23 regularly menstruating patients requested insertion of an IUD. All patients had a copper T (Nova T) IUD inserted between days 8 and 11 of the ...
Pan Hun-Shan - - 2008
We tried to evaluate the relative feasibility, surgical duration and complications of total laparoscopic hysterectomy (TLH) versus coagulation of uterine arteries at their origin (CUA) plus total laparoscopic hysterectomy for the management of myoma and adenomyosis, and to compare the estimated blood loss for both procedures. A total of 123 ...
Ginther O J - - 2008
Blood collections for characterising 13,14-dihydro-15-keto-PGF2alpha (PGFM) pulses in mares and colour-Doppler examinations for estimating percentage of corpus luteum with blood-flow signals were done hourly for a 24-h session on Day 15 (ovulation = Day 0; n = 13 mares) or during 12-h sessions from Days 12 to 16 (n= 10 ...
Azawi O I - - 2008
The present study was conducted on 50 recently calved Iraqi Buffalo cows. Depending on the kind of parturition, buffalo cows were divided into two main groups, the first group had normal unassisted parturition (NP) (26 animals) and the second group with certain periparturent complications (PPC) (24 animals). After 24 h ...
Sezik Mekin - - 2007
AIM: To investigate the short- and medium-term consequences of performing total salpingectomy during abdominal hysterectomy (without oophorectomy) on certain ovarian reserve parameters and blood flow velocity measurements through the ovarian stroma. METHODS: Twenty-four patients were recruited and randomized into two groups. Group 1 patients (n = 12) underwent total hysterectomy ...
Nevo Ori - - 2007
Estrogen appears to enhance cerebral blood flow (CBF). An association between CBF and physiologically altered hormonal levels due to menstrual cycle, menopause, or exogenous manipulations such as ovariectomy or hormone replacement therapy has been demonstrated. The purpose of this study was to determine the association between ovarian stimulation and CBF ...
Rumball C W H - - 2008
The objective of this study was to describe the effects of pregnancy on blood volume and uterine blood flow in sheep, and to test the hypothesis that the effects of periconceptional undernutrition on the late-gestation fetus are mediated by alterations in these parameters. Singleton-bearing ewes that had been undernourished preconception, ...
Herzog K - - 2007
The development of Doppler processing extended the scope of sonographic imaging from an anatomical to a physiological basis. This technique became established as a clinical tool in human gynaecology. For example, it has been discussed that the implantation of an embryo is influenced by the uterine blood flow. In cows, ...
Sikora Jerzy - - 2007
OBJECTIVES: To study the assessment of diagnostic value and clinical usefulness of the determination of homocysteine concentration in blood serum in cases of recurrent miscarriages and the relation between the concentration of homocysteine in blood serum and parameter values determining the Doppler blood flow in the uterine arteries. METHODS: Homocysteine ...
Zhou Hong - - 2007
The molecular sieve with size- and charge selectivity in ovarian follicles, the so-called blood-follicle barrier (BFB), was examined during follicular development under physiological conditions to reveal ovarian structures responsible for the BFB by using our 'in vivo cryotechnique' (IVCT). Mouse ovary specimens were prepared with different methods including IVCT, immersion, ...
Narin Mehmet Ali - - 2007
OBJECTIVE: To compare the blood loss and power Doppler ultrasonographic characteristics of uterine artery blood flow after 2 different techniques of internal iliac artery ligation prior to extensive myomectomy. STUDY DESIGN: A randomized, double-blind study was conducted in a tertiary referral center. Either bilateral ligation of the anterior branch of ...
Ng Ernest Hung Yu - - 2007
Ultrasound examination of the endometrium is a commonly used non-invasive method to assess endometrial receptivity during in vitro fertilization (IVF) treatment. A good blood supply towards the endometrium is usually considered to be an essential requirement for implantation and therefore assessment of endometrial blood flow in IVF treatment has attracted ...
Sholook M M - - 2007
Preeclampsia (PE) is associated with increased total peripheral resistance (TPR), reduced cardiac output (CO), and diminished uterine and placental blood flow. We have developed an animal model that employs chronic reductions in uterine perfusion pressure (RUPP) in pregnant rats to generate a "preeclamptic-like" state during late gestation that is characterized ...
Ozkan Sebiha - - 2007
PURPOSE: To study the blood flow patterns of utero-ovarian circulation in polycystic ovary syndrome (PCOS) and to assess their relationship with clinical, metabolic, and hormonal data. METHODS: Forty-three women with PCOS and 43 age-matched healthy controls underwent Doppler examination of the utero-ovarian circulation in the follicular phase. Demographic, hormonal, and ...
Ng Ernest Hung Yu - - 2007
OBJECTIVE: We compared the ultrasonographic parameters for endometrial receptivity between 2 consecutive in vitro fertilization (IVF) cycles in the same patients. METHODS: Patients who had undergone 2 in vitro fertilization cycles between November 2002 and December 2004 were recruited. A 3-dimensional ultrasonographic examination with power Doppler imaging was performed on ...
Corson Stephen L - - 2007
The Hydro ThermAblator system is a unique approach to endometrial ablation, employing constant direct visual control via hysteroscopy combined with a 'no-touch' gravity flow of heated saline that treats the entire endometrial surface regardless of its topography. The automated controller helps to ensure reproducible results without the necessity for high ...
Nardo Luciano G - - 2007
Polycystic ovary syndrome (PCOS) is a convergence of multisystem endocrine derangements. During the last decade, the role of ultrasonography in the diagnosis and monitoring of this endocrinopathy underwent significant changes. However, there remain many concerns about whether these changes should be more widely introduced in clinical practice. Current concepts include ...
Crawford Julie T - - 2007
OBJECTIVE: This study was undertaken to determine whether vasopressin decreases uterine artery blood flow and blood loss in early second-trimester surgical abortions (dilation and evacuation). STUDY DESIGN: Randomized, double blind, placebo-controlled trial of a saline paracervical block with or without vasopressin before dilation and evacuation. Uterine artery pulsatility index and ...
Younis Johnny S - - 2007
To gain insight into the physiological significance of basal ovarian stromal blood flow and to assess whether its detection ability is related to ovarian reserve in infertility patients undergoing in vitro fertilization (IVF) - embryo transfer (ET) treatment. Thirty two consecutive infertile women scheduled for IVF-ET treatment were prospectively evaluated. ...
Mirghani Hisham M - - 2007
AIM: To determine the effect maternal diet pattern on the uterine artery Doppler flow velocimetry. METHODS: This is a cross-sectional observational study. The uterine artery Doppler flow velocimetry was measured between 20 and 24 weeks' gestation in healthy pregnant women observing Ramadan. For each fasting mother, a non-fasting healthy pregnant ...
Ando Takaaki - - 2007
The ovarian dynamics and uterine and ovarian blood flows of a 6-year-old (2 parturitions) Holstein Friesian cow with right uterine horn aplasia were observed during two estrous cycles. In one estrous cycle, a corpus luteum (CL) formed in the right ovary, but regression of the CL and subsequent ovulation were ...
Acharya G - - 2007
OBJECTIVE: To test the hypothesis that Doppler-derived (calculated) uterine artery volume blood flow (cQ(UtA)) reflects accurately volume blood flow measured directly (mQ(UtA)) in an experimental setting. METHODS: Five pregnant sheep were instrumented at 122-130 days of gestation under general anesthesia. After a 4-day recovery period, maternal hemodynamics were varied by ...
Servaes Sabah - - 2007
BACKGROUND: The clinical diagnosis of ovarian torsion is challenging and findings on pelvic sonography can be pivotal in making the correct diagnosis. OBJECTIVE: To determine the sonographic characteristics in children of surgically and pathologically proven ovarian torsion. MATERIAL AND METHODS: We performed a retrospective review of the sonograms and medical ...
Acosta Tomas J - - 2007
We reviewed recent in vivo studies of the real-time changes in the vasculature of the follicle wall during selection of the dominant follicle as well as during ovulation in cows. Changes in follicle diameter and vascularity were determined by transrectal ultrasonography. Blood flow within the walls of the two largest ...
Lazzarin Natalia - - 2007
OBJECTIVE: To compare the impedance to uterine artery blood flow, during the midluteal phase, in women with recurrent spontaneous abortion (RSA) as compared to normal fertile controls. DESIGN: A prospective study involving women with a history of RSA and fertile controls. SETTING: University of Rome "Tor Vergata." PATIENT(S): Two hundred ...
Gheorghe Emma - - 2007
The present study puts forth the morphometric analysis of modifications that occur in the ovarian structures (stroma, parenchyma, blood vessels) before and after menopause onset. Our study was performed on 30 human ovary specimens from patients with no history of genital pathology that were split in two groups (15 ovaries ...
Ng Ernest Hung Yu - - 2007
BACKGROUND: Blood flow towards the peri-implantation endometrium may have effects on miscarriage and live birth following assisted reproduction treatment, in addition to its role in implantation. METHODS: Three-dimensional ultrasound examination with power Doppler was performed on the day of oocyte retrieval in stimulated IVF cycles and on LH + 1 ...
Jindabanjerd Kanok - - 2006
OBJECTIVE: This study was designed to evaluate the potential usefulness of the levonorgestrel-releasing intrauterine device (LNG - IUD ; Mirena) in treating women with uterine myomas. DESIGN: Prospective before-and-after (comparing) study. SETTING: Department of Obstetrics and Gynecology King Chulalongkorn Memorial Hospital. SUBJECTS: Sixteen women with uterine myomas who intended to ...
Fujii Shingo - - 2007
OBJECTIVES: To clarify the anatomy of the vesico-uterine ligament (VUL), we meticulously separated the VUL under magnification (x2.5) during Okabayashi's radical hysterectomy. METHODS: Fifty-nine patients (TNM nomenclature: pTIb: 39, pT2a: 5, pT2b: 7, after trans-arterial anticancer-drug infusion treatment for the cervical cancer: 8) underwent this meticulous operation. Blood loss was ...
Stefańczyk-Krzymowska Stanisława - - 2006
The local destination transfer of prostaglandin E2 (PGE2) from the uterine lymph to arterial blood supplying the ovary and its retrograde transfer to arterial blood supplying the uterine horn and the effect of additional delivery of PGE2 into the ovary on the secretion of steroid hormones was studied in early ...
Frenkel Lisa M - - 2006
To determine if HIV-1 resistance testing of the blood predicts mutants in the genital secretions of ZDV-treated pregnant women, ZDV resistance mutations were assessed by an oligonucleotide ligation assay. ZDV resistance was detected in viral sequences from blood (16/48; 33%) and cervical secretions (6/24; 25%) collected during 57 pregnancies. The ...
Panarace M - - 2006
Once weekly from 30 to 270 days of gestation in 13 cows, Doppler ultrasound scanning (triplex Doppler system) was done to assess blood-flow parameters of both median uterine arteries. Resistance, velocity and volume indices were measured. Resistance index values were negatively correlated to all other blood-flow parameters (P<0.05), but there ...
Jambhekar Nirmala A - - 2006
Diffuse uterine leiomyomatosis (DUL) is a rare entity with an unknown etiopathogenesis. A 24 years old female presented with abdominal discomfort and menorrhagia. Clinical and ultrasonographic examination revealed an enlarged uterus. The hysterectomy specimen showed a symmetrically enlarged uterus with a bosselated external surface. The cut surface showed multiple nodules ...
Wasowska Barbara - - 2006
This study was designed to determine the efficiency and rate of testosterone (T) retrograde transfer during the follicular and luteal phase of the estrous cycle in gilts (n=27). The efficiency and the rate of the retrograde transfer of T from the ovarian effluent into blood supplying the ovary were determined ...
Nishida Takehiro - - 2006
Blood flow to the gravid and nongravid uterine horns of four multiparous Holstein cows (mean +/- SD, BW=641.8 +/- 95.4 kg; age=4.8 +/- 1.2 years; parity=3.0 +/- 1.2) was measured on days 225, 248, and 266 of gestation. Surgery was conducted on day 214.5 +/- 4.0 of gestation through the ...
Cooper Brian C - - 2006
OBJECTIVE: To determine the effect of ovarian hormone deficiency on peripheral vascular function. DESIGN: Randomized, single-blind, placebo-controlled. SETTING: General clinical research center. PATIENT(S): Twelve healthy, lean, premenopausal women with regular menstrual cycles. INTERVENTION(S): Measurements were made during the early to midfollicular and midluteal phases of the menstrual cycle. Patients were ...
Hammon D S - - 2006
The objectives of this study were to investigate the associations between peripheral blood neutrophil (PMN) function, energy status, and uterine health in periparturient dairy cows. Data were collected from 83 multiparous Holstein cows. Blood samples for PMN function determination were collected weekly from 1 week prior to calving (week -1) ...
Chia Chun-Chieh - - 2006
OBJECTIVE: To investigate the change in volume of uterine fibroids after GnRH analog (GnRHa) treatment. MATERIALS AND METHODS: Twenty-five patients who had a uterine leiomyoma were included in this study. Four of them were lost to follow-up during the study, and a myomectomy was performed on the remaining subjects. All ...
Langendijk P - - 2006
Nine multiparous cyclic sows with permanent jugular catheters were introduced to a boar at day 10 (n = 9) or 11 (n = 5) after ovulation to study the effect on oxytocin (OT) release. If it occurs, the release of OT might play a role in embryo migration which occurs ...
Ginther O J - - 2007
The temporal relationships between blood flow in the corpus luteum (CL) and circulating progesterone concentrations were studied in 20 mares. Retrospective inspection of plasma progesterone concentrations indicated that a precipitous decrease occurred during Days 15-17 (Day 0 = ovulation) and was defined as the luteolytic period. Mean percentage of CL ...
Wang C J - - 2006
BACKGROUND: The goal of this study was to examine the safety and feasibility of laparoscopic myomectomy (LM) for the management of symptomatic intramural uterine fibroids with weight greater than 80 g as compared to those less than 80 g. METHODS: In a prospective comparative study, 176 women with symptomatic uterine ...
Dubiel Mariusz - - 2006
Three-dimensional (3-D) ultrasound imaging has improved evaluation of organ circulation and might contribute new information on maternal and fetal blood supply. Flow index (FI) of 3-D color images has been proposed as a measure of perfusion. The aim of this study was to evaluate whether the 3-D FI is a ...
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