Academic literature on the topic 'Placental perfusion'
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Journal articles on the topic "Placental perfusion"
Mose, Tina, Lisbeth E. Knudsen, Morten Hedegaard, and Gerda K. Mortensen. "Transplacental Transfer of Monomethyl Phthalate and Mono(2-ethylhexyl) Phthalate in a Human Placenta Perfusion System." International Journal of Toxicology 26, no. 3 (May 2007): 221–29. http://dx.doi.org/10.1080/10915810701352721.
Full textGude, NM, RG King, and SP Brennecke. "Endothelin: release by and potent constrictor effect on the fetal vessels of human perfused placental lobules." Reproduction, Fertility and Development 3, no. 4 (1991): 495. http://dx.doi.org/10.1071/rd9910495.
Full textMalek, A., R. K. Miller, D. R. Mattison, T. Ceckler, M. Panigel, P. A. di Sant'Agnese, and L. N. Jessee. "Continuous measurement of ATP by 31P-NMR in term human dually perfused placenta in vitro: response to ischemia." Journal of Applied Physiology 78, no. 5 (May 1, 1995): 1778–86. http://dx.doi.org/10.1152/jappl.1995.78.5.1778.
Full textShaw, A. J., M. Z. Mughal, M. J. Maresh, and C. P. Sibley. "Sodium-dependent magnesium transport across in situ perfused rat placenta." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 261, no. 2 (August 1, 1991): R369—R372. http://dx.doi.org/10.1152/ajpregu.1991.261.2.r369.
Full textBainbridge, Shannon A., and Graeme N. Smith. "The effect of nicotine on in vitro placental perfusion pressure." Canadian Journal of Physiology and Pharmacology 84, no. 8-9 (September 2006): 953–57. http://dx.doi.org/10.1139/y06-037.
Full textLawrence, Dylan J., Kristie Huda, and Carolyn L. Bayer. "Longitudinal characterization of local perfusion of the rat placenta using contrast-enhanced ultrasound imaging." Interface Focus 9, no. 5 (August 16, 2019): 20190024. http://dx.doi.org/10.1098/rsfs.2019.0024.
Full textHata, Toshiyuki, and Sarah Cajusay-Velasco. "Three-dimensional Power Doppler Ultrasound Study of the Placenta." Donald School Journal of Ultrasound in Obstetrics and Gynecology 8, no. 4 (2014): 400–409. http://dx.doi.org/10.5005/jp-journals-10009-1380.
Full textAssad, R. S., F. Y. Lee, K. Bergner, and F. L. Hanley. "Extracorporeal circulation in the isolated in situ lamb placenta: hemodynamic characteristics." Journal of Applied Physiology 72, no. 6 (June 1, 1992): 2176–80. http://dx.doi.org/10.1152/jappl.1992.72.6.2176.
Full textOthoro, Caroline, Julie M. Moore, Kathleen Wannemuehler, Bernard L. Nahlen, Juliana Otieno, Laurence Slutsker, Altaf A. Lal, and Ya Ping Shi. "Evaluation of Various Methods of Maternal Placental Blood Collection for Immunology Studies." Clinical and Vaccine Immunology 13, no. 5 (May 2006): 568–74. http://dx.doi.org/10.1128/cvi.13.5.568-574.2006.
Full textRodda, C. P., M. Kubota, J. A. Heath, P. R. Ebeling, J. M. Moseley, A. D. Care, I. W. Caple, and T. J. Martin. "Evidence for a novel parathyroid hormone-related protein in fetal lamb parathyroid glands and sheep placenta: comparisons with a similar protein implicated in humoral hypercalcaemia of malignancy." Journal of Endocrinology 117, no. 2 (May 1988): 261–71. http://dx.doi.org/10.1677/joe.0.1170261.
Full textDissertations / Theses on the topic "Placental perfusion"
Hutchinson, Elizabeth S. "Use of the placental perfusion model to investigate the placental origins of pre-eclampsia." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499908.
Full textVanderlelie, Jessica, and n/a. "Placental Oxidative Stress in Preeclampsia." Griffith University. School of Medical Science, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060918.161726.
Full textVanderlelie, Jessica. "Placental Oxidative Stress in Preeclampsia." Thesis, Griffith University, 2006. http://hdl.handle.net/10072/365679.
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Doctor of Philosophy (PhD)
School of Medical Science
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Myllynen, P. (Päivi). "In search of models for hepatic and placental pharmacokinetics." Doctoral thesis, University of Oulu, 2003. http://urn.fi/urn:isbn:9514270231.
Full textDeloison, Benjamin. "Imagerie fonctionnelle placentaire par résonance magnétique : étude de la perfusion placentaire." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112256.
Full textPlacental insufficiency is a serious medical condition with a diagnosis made usually too late to prevent introduction of effective therapies. The aim of this thesis is to develop, in pregnant rats and translate to humans, functional MRI (fMRI) tools allowing quantification of placental perfusion in clinical practice.Materials and Methods: Three studies using fMRI are part of this thesis. The first two were performed on a murine model. A dynamic sequence with injection of a contrast agent (DCE) has been developed with an iron oxide particle (SPIO) in a surgical model of chronic placental hypoperfusion with placental perfusion measurement (f) in ml / min / 100 ml and placental fractionnal volume (Vb) in %. Another technique of fMRI was developed with Arterial Spin Labeling (ASL) to estimate placental perfusion in ml / min / 100g without injection of contrast media.The latest study was a translational research. It consisted in the development of a dynamic sequence with injection of gadolinium chelate, in order to obtain perfusion (f) in ml / min / 100 ml and placental fractionnal volume (Vb) in %. We also studied maternal and fetal pharmacokinetics of gadolinium chelate.Results: In animals with SPIO DCE, our study allowed us to show that it is possible to use the T1 effect of SPIO to characterize the placental microcirculation by f = 159.4 ml / min / 100ml (+ / - 54.6) and Vb = 39.2% (11.9 +/-) for 31 « normal » placentas. In case of IUGR, f decreases significantly for the 23 examined placentas (f = 108.1 ml / min / 100ml +/- 41, p = 0.004), whereas the volume fraction placenta is not modified (Vb = 42 +/- 16.7 8 %, p = 0.24). ASL has allowed us to estimate placental perfusion for 47 placentas under physiological conditions, with an estimated perfusion of 146.8 ml / min / 100 g (70.1 +/-).In humans, 14 placentas were studied with an estimated perfusion of 183 ml / min / 100ml (+/- 144) and we also identified two types of placental kinetic enhancement (early and intense and later and less intense). Pharmacokinetics have allowed us to study quantitatively the transfer of gadolinium chelate in the fetus. This transfer is low compared to the initial concentration of Dotarem® : fetal blood concentration is 18.1x10-6%, concentration in amniotic fluid is 242.8 x10-6 % and 0.3% of the Dotarem® initial dose is present in the placenta approximately 70 hours after injection.Conclusion: This study illustrates the variety of functional MRI techniques available for placental study. Placental perfusion can be quantified by DCE with an iron oxide particle (SPIO) or without injection of contrast in ASL, in a rat model. The study of placental perfusion in humans is also possible in DCE with gadolinium chelates
Arthuis, Chloé. "Etude de la perfusion placentaire par imagerie fonctionnelle sur un modèle murin de retard de croissance intra-utérin." Thesis, Tours, 2016. http://www.theses.fr/2016TOUR3308.
Full textTo identify fetuses small for their gestational-age who have reached their appropriate growth potential from growth-restricted fetuses due to placental insufficiency is uneasy. Intra Uterine Growth Restriction (IUGR) increases the risk for indicated preterm delivery, neonatal mortality and morbidity. Therefore, improving the knowledge of the placental perfusion is essential to better identify and manage fetal chronic oxygen deprivation associated with placental insufficiency.Contrast Enhanced Ultrasound (CEUS) and MRI are two imaging modalities available to quantify placental perfusion. However, few studies focus on the quantification of placental perfusion with CEUS. First, the advantages and limitations of CEUS were presented in an IUGR rat model by uterine ligation. The placental perfusion observed by CEUS was significantly decreased in the ligated horn. No contrast enhancement was observed in the umbilical vein or the fetus. Then, we compared the CEUS parameters to results obtained by MRI perfusion. Perfusion parameters were obtained from the signal intensity decay curve for the two imaging modalities. Results of such perfusion parameters were comparable in the same IUGR rat model. Finally, we evaluated the response of the placenta to oxygenation by photoacoustic imaging. PA imaging is a real-time, non-invasive method to evaluate placental oxygenation without contrast agents. Our results suggesting that placenta is less affected than maternal tissue by the decline in maternal oxygenation. The placenta may play an important role in protecting the feus against hypoxia
Sohlberg, Sara. "Placental Function : An Epidemiological and Magnetic Resonance Study." Doctoral thesis, Uppsala universitet, Institutionen för kvinnors och barns hälsa, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-239294.
Full textCeccaldi-Carp, Pierre-François. "Médicaments et parturition humaine : influences réciproques." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA114851.
Full textEffects of a xenobiotic or drug on human gestation are difficult to approach. This is due tonecessary ethical considerations with regards to research on pregnant women as well as thecomplexity of physiological processes involved in the case of induced parturition. While thereis a relative experimental consensus with animal models to assess their impact on fertility andembryogenesis, there is currently no method to assess the risk of induced preterm labor.Preterm labor is the leading cause of newborn deaths at the rate fifteen million births per yearglobally. The etiologies are multiple: infectious including HIV, multiple pregnancies,addictions. Recent publications also discuss this issue in the context of necessary drugs suchas protease inhibitors for HIV infected pregnant women. We realised three studies specificallyin pregnant women: modulation of the placental transfer of protease inhibitors of the HIV,modulation of the feto-maternal and placental steroid hormones by mifepristone, and a studyabout variation of the maternal serum proteins in the previous days of the parturition. Also,regarding our studies and the literature, we make several hypotheses on possible interferencesbetween drugs and human parturition, disturb its signal, and methods proposed for its study ina minimally invasive manner
Aughwane, Rosalind Janie. "Investigating perfusion of the human placenta." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10060708/.
Full textAlison, Marianne. "Imagerie fonctionnelle du placenta en IRM." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112329.
Full textPlacental insufficiency caused by deficient vascularization is common during pregnancy, difficult to diagnose and can lead to severe materno-fetal complications (intrauterine growth restriction, preeclampsia). The aim of this work was to develop multi-parametric functional magnetic resonance imaging (MRI) to assess the placenta at 4.7 T on a murine model. Materials and methods : Diffusion-weighted imaging (SE-EPI-DWI) with the intravoxel incoherent motion (IVIM) analysis and dynamic contrast enhanced MRI (DCE) with a high-time resolution (<1 s) were developed and evaluated on a controlled rat model of reduced placental perfusion, achieved by ligation of the left uterine vascular pedicle on the 17th embryonic day. Parameters from the placentas in the left ligated horn were compared to those from the normal placentas in the non ligated horn. The effect of maternal hyperoxygenation on placental microvascularization was studied with DWI.Results: For DWI, 73 placentas were examined, 23 from the ligated side (n=10 rats). For DCE, 53 placentas were analysed, 11 from the ligated side (n=12 rats). In the uterine horn with reduced perfusion, the apparent diffusion coefficient (ADC), the perfusion fraction (f) obtained with DWI and the placental blood flow (F) obtained with DCE were significantly decreased. Under maternal hyperoxygenation, ADC and the diffusion coefficient (D) increased whereas f decreased. DWI and DCE parameters were not significantly correlated with each other. Conclusion: Multi-parametric MRI has been developed for murine placental analysis at 4.7T. DWI and DCE are complementary tools for the diagnosis of reduced placental perfusion
Books on the topic "Placental perfusion"
(Editor), J. Dancis, ed. In Vitro Perfusion of Human Placental Tissue (Contributions to Gynecology and Obstetrics). S. Karger AG (Switzerland), 1986.
Find full textBonnet, Marie-Pierre, and Anne Alice Chantry. Placenta and uteroplacental perfusion. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198713333.003.0003.
Full textSchneider, H., and J. Dancis, eds. In vitro Perfusion of Human Placental Tissue. S. Karger AG, 1985. http://dx.doi.org/10.1159/isbn.978-3-318-03236-9.
Full textWaldmann, Carl, Neil Soni, and Andrew Rhodes. Obstetric emergencies. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199229581.003.0031.
Full textBook chapters on the topic "Placental perfusion"
Pateisky, N. "Clonidine and Placental Perfusion." In Low Dose Oral and Transdermal Therapy of Hypertension, 126–28. Heidelberg: Steinkopff, 1985. http://dx.doi.org/10.1007/978-3-642-53785-1_25.
Full textMaguire, D. J., G. R. Cannell, R. S. Addison, and B. Dawkins. "In Vitro Placental Perfusion." In Advances in Experimental Medicine and Biology, 361–66. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4717-4_43.
Full textMaguire, D. J., R. Blums, R. Morgan, J. Collie, and G. R. Cannell. "A Placental Perfusion pO2 Logger." In Oxygen Transport to Tissue XIV, 649–52. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3428-0_77.
Full textSlikker, William, John R. Bailey, George W. Lipe, Zelda Althaus, and Julian E. A. Leakey. "Placental Steroid Dehydrogenases: Assessment with a Nonhuman Primate in Situ Placental Perfusion Model." In Cellular Biology and Pharmacology of the Placenta, 467–79. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-1936-9_33.
Full textAnthony di Sant’Agnese, P., Karen L. de Mesy Jensen, Patrick J. Wier, Debabrata Maulik, and Richard K. Miller. "Long Term Human Placental Lobule Perfusion — An Ultrastructural Study." In Cellular Biology and Pharmacology of the Placenta, 545–55. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-1936-9_39.
Full textAughwane, Rosalind, Magdalena Sokolska, Alan Bainbridge, David Atkinson, Giles Kendall, Jan Deprest, Tom Vercauteren, Anna L. David, Sébastien Ourselin, and Andrew Melbourne. "MRI Measurement of Placental Perfusion and Fetal Blood Oxygen Saturation in Normal Pregnancy and Placental Insufficiency." In Medical Image Computing and Computer Assisted Intervention – MICCAI 2018, 913–20. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00934-2_101.
Full textHoward, Randy B., Janet Levy, Tomokazu Hosokawa, and M. Helen Maguire. "Interrelationships of Perfusion Parameters in the Dual-Perfused Human Placental Cotyledon." In Cellular Biology and Pharmacology of the Placenta, 585–96. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-1936-9_42.
Full textSchneider, H., A. Malek, R. Duft, and N. Bersinger. "Evaluation of an In Vitro Dual Perfusion System for the Study of Placental Proteins: Energy Metabolism." In Placenta as a Model and a Source, 39–50. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0823-2_4.
Full textMyatt, Leslie. "Perfusion Technique for Studying the Placenta Cotyledon." In The Placenta, 170–76. Oxford, UK: Wiley-Blackwell, 2011. http://dx.doi.org/10.1002/9781444393927.ch22.
Full textSchneider, Henning, and Joseph Dancis. "In Vitro Perfusion of Human Placenta." In Cellular Biology and Pharmacology of the Placenta, 597–605. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-1936-9_43.
Full textConference papers on the topic "Placental perfusion"
Novell, Anthony, Vanda Mendes, Arthuis Chloe, Ayache Bouakaz, and Franck Perrotin. "Notice of Removal: Evaluation of utero-placental perfusion in intrauterine growth restriction rat model using CEUS." In 2017 IEEE International Ultrasonics Symposium (IUS). IEEE, 2017. http://dx.doi.org/10.1109/ultsym.2017.8092965.
Full textFernandes, Karol Arias, Emily Nefertiti Balbinot, Emmanuela Regina Silveira, and Leslie Ecker Ferreira. "INTERAÇÃO ENTRE SARS-COV-2 E A GESTAÇÃO HUMANA: UMA REVISÃO LITERÁRIA." In I Congresso On-line Nacional de Histologia e Embriologia Humana. Revista Multidisciplinar em Saúde, 2022. http://dx.doi.org/10.51161/rems/3209.
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