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Pelvimetry

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https://www.readbyqxmd.com/read/28597348/pelvic-inlet-shape-measured-by-three-dimensional-pelvimetry-is-a-predictor-of-the-operative-time-in-the-anterior-resection-of-rectal-cancer
#1
Takehiro Shimada, Masashi Tsuruta, Hirotoshi Hasegawa, Koji Okabayashi, Takashi Ishida, Yusuke Asada, Hirofumi Suzumura, Yuko Kitagawa
PURPOSE: We evaluated pelvic shape as a predictor of the surgical outcome of anterior resection in patients with rectal cancer. METHODS: In total, 228 patients who had undergone anterior resection (R0 resection and double-stapling anastomosis) for rectal cancer from 2005 to 2014 were included in this study. The anteroposterior (AP) and transverse (T) diameters of the pelvic inlet and outlet and pelvic depth were analyzed on three-dimensional volume-rendered images, and the AP/T ratio was calculated...
June 8, 2017: Surgery Today
https://www.readbyqxmd.com/read/28384153/cartilage-formation-in-the-pelvic-skeleton-during-the-embryonic-and-early-fetal-period
#2
Misaki Okumura, Aoi Ishikawa, Tomoki Aoyama, Shigehito Yamada, Chigako Uwabe, Hirohiko Imai, Tetsuya Matsuda, Akio Yoneyama, Tohoru Takeda, Tetsuya Takakuwa
The pelvic skeleton is formed via endochondral ossification. However, it is not known how the normal cartilage is formed before ossification occurs. Furthermore, the overall timeline of cartilage formation and the morphology of the cartilage in the pelvis are unclear. In this study, cartilage formation in the pelvic skeletons of 25 human fetuses (crown-rump length [CRL] = 11.9-75.0 mm) was observed using phase-contrast computed tomography and 7T magnetic resonance imaging. The chondrification center of the ilium, ischium, and pubis first appeared simultaneously at Carnegie stage (CS) 18, was located around the acetabulum, and grew radially in the later stage...
2017: PloS One
https://www.readbyqxmd.com/read/28358979/pelvimetry-for-fetal-cephalic-presentations-at-or-near-term-for-deciding-on-mode-of-delivery
#3
REVIEW
Robert C Pattinson, Anna Cuthbert, Valerie Vannevel
BACKGROUND: Pelvimetry assesses the size of a woman's pelvis aiming to predict whether she will be able to give birth vaginally or not. This can be done by clinical examination, or by conventional X-rays, computerised tomography (CT) scanning, or magnetic resonance imaging (MRI). OBJECTIVES: To assess the effects of pelvimetry (performed antenatally or intrapartum) on the method of birth, on perinatal mortality and morbidity, and on maternal morbidity. This review concentrates exclusively on women whose fetuses have a cephalic presentation...
March 30, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28315018/influence-of-pelvic-volume-on-surgical-outcome-after-low-anterior-resection-for-rectal-cancer
#4
G Zur Hausen, J Gröne, D Kaufmann, S M Niehues, K Aschenbrenner, A Stroux, B Hamm, M E Kreis, Johannes C Lauscher
BACKGROUND: Low anterior resection (LAR) for rectal cancer is a potentially challenging operation due to limited space in the pelvis. CT pelvimetry allows to quantify pelvic space, so that its relationship with outcome after LAR may be assessed. Studies investigating this, however, yielded conflicting results. We hypothesized that a small pelvis is associated with a higher rate of incomplete mesorectal excision, anastomotic leakages, and increased rate of urinary dysfunction in patients operated for rectal cancer...
August 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28044181/mr-pelvimetry-prognosis-for-successful-vaginal-delivery-in-patients-with-suspected-fetopelvic-disproportion-or-breech-presentation-at-term
#5
Marie Franz, Amanda von Bismarck, Maria Delius, Birgit Ertl-Wagner, Charlotte Deppe, Sven Mahner, Uwe Hasbargen, Christoph Hübener
PURPOSE: The purpose of this study was to correlate MR pelvimetric pelvic inlet measurements with mode of delivery and neonatal outcome in patients with suspected fetopelvic disproportion or breech presentation. METHODS: For this retrospective monocentric study, 237 consecutive MR pelvimetry reports (1999-2016) of pregnant women due to either suspected fetopelvic disproportion, pelvic deformation after trauma, or persistent breech presentation were retrieved from the radiologic database and matched with corresponding information from the obstetric database...
January 2, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27993442/comparative-dose-levels-between-ct-scanner-and-slot-scanning-device-eos-system-in-pregnant-women-pelvimetry
#6
COMPARATIVE STUDY
A Ben Abdennebi, S Aubry, L Ounalli, M S Fayache, E Delabrousse, Y Petegnief
PURPOSE: To estimate fetal absorbed doses for pregnant women pelvimetry, a comparative study between EOS imaging system and low-dose spiral CT-scanner was carried out. For this purpose three different studies were investigated: in vivo, in vitro and Monte Carlo calculations. METHODS: In vivo dosimetry was performed, using OSL NanoDot dosimeters, to determine the dose to the skin of twenty pregnant women. In vitro studies were established by using a cubic phantom of water, in order to estimate the out of field doses...
January 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/27692519/-inter-observer-variability-of-decision-concerning-the-route-of-delivery-in-case-of-one-previous-cesarean-section-and-abnormal-pelvic-measures
#7
M Bourdon, P F Ceccaldi, G Girard, M Koskas, F Goffinet, C Le Ray
OBJECTIVES: To study inter-observer variability of decision concerning the route of delivery using pelvimetry in case of one previous cesarean section and abnormal pelvic measures. MATERIALS AND METHOD: Observational study conducted in 2014 in 4 university maternity units among 36 obstetricians. Two groups of obstetricians - as they practiced in a center where pelvimetry was routinely performed (n=12) or not (n=24) - had to choose a route of delivery for 10 clinical cases of women with a single uterine scar and a tight pelvis...
November 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/27532122/new-mri-criteria-for-successful-vaginal-breech-delivery-in-primiparae
#8
Janine Hoffmann, Katrin Thomassen, Patrick Stumpp, Matthias Grothoff, Christoph Engel, Thomas Kahn, Holger Stepan
BACKGROUND: Even if lower vaginal delivery success rates and impaired neonatal short-term outcomes have been reported for primiparous women with breech presentation, vaginal breech delivery remains an option for carefully selected patients. Because Magnetic resonance imaging (MRI) pelvimetry can provide additional information on maternal pelvic morphology, we sought to identify new MRI parameters that predict successful vaginal breech delivery. METHODS: In this retrospective unicentre study, 240 primiparous women with breech presentation at term underwent MRI pelvimetry...
2016: PloS One
https://www.readbyqxmd.com/read/27231494/pelvimetry-by-three-dimensional-computed-tomography-in-non-pregnant-multiparous-women-who-delivered-vaginally
#9
Ismail Salk, Ali Cetin, Sultan Salk, Meral Cetin
BACKGROUND: We assessed retrospectively the reference values of pelvic dimensions by 3D CT performed for non-obstetrical indications in non-pregnant multiparous women with a successful vaginal delivery. We further aimed to evaluate the impact of maternal short stature on these parameters. MATERIAL/METHODS: The 3D CT pelvimetry was performed retrospectively in 203 non-pregnant women selected consecutively if they had at least one singleton term delivery with head presentation and if there was no history of maternal or fetal birth trauma or cerebral palsy after childbirth...
2016: Polish Journal of Radiology
https://www.readbyqxmd.com/read/26870163/ct-pelvimetry-and-clinicopathological-parameters-in-evaluation-of-the-technical-difficulties-in-performing-open-rectal-surgery-for-mid-low-rectal-cancer
#10
Xiao-Cong Zhou, Meng Su, Ke-Qiong Hu, Yin-Fa Su, Ying-Hai Ye, Chong-Quan Huang, Zhen-Lei Yu, Xiao-Yang Li, Hong Zhou, Yao-Zhong Ni, Y I Jiang, Zheng Lou
The present study aimed to evaluate the predictive value of pelvic anatomical and clinicopathological parameters for use in the estimation of the likely technical difficulties that may be encountered when performing open rectal surgery for mid-low rectal cancer. Sixty consecutive patients, undergoing open rectal surgery for mid-low rectal cancer were recruited between June 2009 and April 2014. All of the surgical procedures conducted, were low anterior resection (LAR) or abdominoperineal resection (APR). The operations were performed by the same surgeon and surgical team...
January 2016: Oncology Letters
https://www.readbyqxmd.com/read/26585802/-l%C3%A3-on-bouchacourt-1865-1949-how-an-obstetrician-pointed-out-individual-radiosensitivity
#11
N Foray
Léon Bouchacourt (1865-1949) was a misknown pioneer of radiology and radiotherapy from Lyon, France. While he was resident in obstetrics in Hôpitaux de Paris from 1892 to 1898, he met Charcot, the future polar explorer, and wrote the first thesis dissertation about X-rays. He invented a new radiology technique for cavitary organs such as vagina, rectum and mouth, the endodiascopy, which permitted him to perform the first pelvimetry and dental radiographies in France. While he undertook the first trials of contact-radiotherapy, he was confronted with radiation-induced reactions...
December 2015: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/26530180/-delivery-management-for-the-prevention-of-shoulder-dystocia-in-case-of-identified-risk-factors
#12
REVIEW
T Schmitz
OBJECTIVE: To determine the impact of (i) computed tomographic (CT) pelvimetry for the choice of the mode of delivery, (ii) cesarean, (iii) induction of labor, and of (iv) various delivery managements on the risk of shoulder dystocia in case of fetal macrosomia, with or without maternal diabetes, and in women with previous history of shoulder dystocia. METHODS: The PubMed database, the Cochrane Library and the recommendations from the French and foreign obstetrical societies or colleges have been consulted...
December 2015: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/26334957/determining-the-incidence-of-gynecoid-pelvis-using-three-dimensional-computed-tomography-in-nonpregnant-multiparous-women
#13
Ismail Salk, Meral Cetin, Sultan Salk, Ali Cetin
OBJECTIVES: To determine the incidence of gynecoid pelvis by using classical criteria and measured parameters obtained from three-dimensional computed tomography (3D CT) pelvimetry in nonpregnant multiparous women who delivered vaginally. SUBJECTS AND METHODS: Our hospital's picture archiving and communication system was reviewed retrospectively. All adult women who had undergone CT examination with routine abdominal protocols were identified. In the pelvic inlet, midpelvis, and pelvic outlet, classical criteria and measured parameters, both alone and in combination, were used to determine the presence of gynecoid pelvis...
2016: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/26281533/do-you-use-pelvimetry-why-or-why-not
#14
Jan Tritten
No abstract text is available yet for this article.
2015: Midwifery Today with International Midwife
https://www.readbyqxmd.com/read/26281518/posterior-arrest
#15
Elizabeth Davis
No abstract text is available yet for this article.
2015: Midwifery Today with International Midwife
https://www.readbyqxmd.com/read/26176168/changes-in-pelvic-shape-among-japanese-pregnant-women-over-the-last-5-decades
#16
Keiichiro Narumoto, Motoi Sugimura, Kozue Saga, Youichi Matsunaga
AIM: Pelvic shape affects the progression of labor. The gynecoid-type pelvis has been the most common in women, but a previous study reported that the anthropoid type has increased in Japan. The purpose of this study was to examine: (i) the current prevalence of different pelvic shapes in Japanese pregnant women; and (ii) the changes in the prevalence of the pelvic shapes over the past 50 years. MATERIAL AND METHODS: We conducted a cross-sectional study using descriptive analysis for the prevalence of the pelvic shape and a historical comparison to assess the changes in the proportions of pelvic shapes with Japanese data from the 1960s to the 1980s...
November 2015: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/26123334/ct-mri-pelvimetry-as-a-useful-tool-when-selecting-patients-with-rectal-cancer-for-transanal-total-mesorectal-excision
#17
Alexander Ferko, Ondřej Malý, Július Örhalmi, Josef Dolejš
BACKGROUND: The quality of a total mesorectal excision (TME) is one of the most important prognostic factors for local recurrence of rectal carcinoma. The aim of this study was to clarify the manner in which lesser pelvis dimensions affect the quality of TME via the transabdominal approach, while simultaneously defining the criteria for selecting patients most likely to have Grade 3 TME outcomes for a transanal approach using the TaTME technique. METHODS: An analysis from the registry was conducted using 93 of total 198 patients with rectal cancer of the mid- and lower third of the rectum who underwent: (1) a low anterior resection, (2) an ultra-low resection with coloanal anastomosis, or (3) an intersphincteric rectal resection, all with total mesorectal excision...
March 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/26104941/defining-the-hostile-pelvis-for-intensity-modulated-radiation-therapy-the-impact-of-anatomic-variations-in-pelvic-dimensions-on-dose-delivered-to-target-volumes-and-organs-at-risk-in-patients-with-high-risk-prostate-cancer-treated-with-whole-pelvic-radiation
#18
Eda Yirmibeşoğlu Erkal, Sinan Karabey, Ayşegül Karabey, Mutlu Hayran, Haldun Şükrü Erkal
PURPOSE: The aim of this study was to evaluate the impact of variations in pelvic dimensions on the dose delivered to the target volumes and the organs at risk (OARs) in patients with high-risk prostate cancer (PCa) to be treated with whole pelvic radiation therapy (WPRT) in an attempt to define the hostile pelvis in terms of intensity modulated radiation therapy (IMRT). METHODS AND MATERIALS: In 45 men with high-risk PCa to be treated with WPRT, the target volumes and the OARs were delineated, the dose constraints for the OARs were defined, and treatment plans were generated according to the Radiation Therapy Oncology Group 0924 protocol...
July 15, 2015: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/26031135/-descriptive-analysis-of-pelvic-asymmetry-in-an-asymptomatic-population
#19
A C Barbosa, D N Bonifácio, I P Lopes, F L M Martins, M C S A Barbosa, A C Barbosa
INTRODUCTION: Pelvic tilt is clinically assessed based on its relationship with spinal conditions, but there is little evidence from the asymptomatic-population for comparison purposes. OBJECTIVE: To analyze an asymptomatic population focusing,on pelvic asymmetries using photogrammetry. MATERIAL AND METHODS: 92 subjects (18-35 years old) underwent marking of the anterior and posterior iliac spines and were photographed. Alcimage software was used to measure the pelvic tilt angle...
January 2014: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/25976498/x-ray-exposure-in-utero-and-school-performance-a-population-based-study-of-x-ray-pelvimetry
#20
A C Nordenskjöld, M Palme, M Kaijser
AIM: To investigate the association between exposure to ionising radiation from pelvimetric examinations in utero and school performance. MATERIAL AND METHODS: This was a population-based cohort study comprising 46,066 children born in the county of Östergötland, Sweden, from 1980 through 1990. Through record linkage between Swedish registers, children exposed in utero to X-ray pelvimetry examination were compared to other children born in the same county during the study period, as well as to their unexposed siblings...
August 2015: Clinical Radiology
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