Results 21 to 30 of about 287,169 (307)

Post-stenotic aortic dilatation. [PDF]

open access: yes, 2006
Aortic stenosis is the most common valvular heart disease affecting up to 4% of the elderly population. It can be associated with dilatation of the ascending aorta and subsequent dissection.
Jahangiri Marjan   +5 more
core   +2 more sources

The Effect of Topical Magnesium Sulfate on Dilatation, Effacement and Duration of Labor in Primiparous Women: A randomized controlled clinical trial [PDF]

open access: yesMajallah-i Zanān, Māmā̓ī va Nāzā̓ī-i Īrān
Introduction: Considering the excruciating process of labor as well as anxiety and fear of natural childbirth, it is necessary to find an appropriate substance for expedite progression of labor and shortening labor duration in pregnant women.
Ezatosadat Haji-seyed-javadi   +2 more
doaj   +1 more source

Formation mechanism of continuous gas leakage paths in cement sheath during hydraulic fracturing

open access: yesEnergy Science & Engineering, 2020
Continuous gas leakage paths of cement sheath during hydraulic fracturing were investigated in this study. The finite‐element models of a casing–cement‐sheath–formation assembly for the whole wellbore were established, the integrity of the cement sheath ...
Wei Lian   +5 more
doaj   +1 more source

On Sums of Dilates [PDF]

open access: yesCombinatorics, Probability and Computing, 2009
For k prime and A a finite set of integers with |A| ≥ 3(k − 1)2(k − 1)! we prove that |A + k · A| ≥ (k + 1)|A| − ⌈k(k + 2)/4⌉ where k · A = {ka: a ∈ A}. We also describe the sets for which equality holds.
Javier, Cilleruelo   +2 more
openaire   +4 more sources

Megacalycosis: Sonographic findings of a rare clinical condition

open access: yesClinical Case Reports, 2021
Recurrent UTI’s represent a challenge for physicians and anatomic abnormalities should be investigated thoroughly in this setting. Not all urinary tract dilatations mean obstruction.
Rosa Haridian Sosa Barrios   +1 more
doaj   +1 more source

Effects of Stenosis and Dilatation on Flow of Blood Mixed with Suspended Nanoparticles: A Study Using Homotopy Technique

open access: yesInternational Journal of Applied Mechanics and Engineering, 2021
The paper deals with a theoretical study on blood flow in a stenosed segment of an artery, when blood is mixed with nano-particles. Blood is treated here as a couple stress fluid.
T. Sudha   +4 more
doaj   +1 more source

Fetal Weight and Head Circumference Estimated by Ultrasound for Predicting Cervical Dilatation Progression Rate and mode of Delivery [PDF]

open access: yesJournal of Midwifery & Reproductive Health, 2022
Background & aim: The relationship between fetal biometric indices and pregnancy outcomes has always been discussed. It seems that understanding the relationship between these indices and maternal and neonatal complications can be useful in the proper ...
Behnaz Molaei   +3 more
doaj   +1 more source

Endoscopic Conical Cap Dilatation: A Novel Alternative to Balloon Dilatation for Esophageal Stricture After Endoscopic Submucosal Dissection. [PDF]

open access: yesEndosc Int Open
Background and study aims Esophageal stricture is a common complication after extensive endoscopic submucosal dissection (ESD) for superficial esophageal cancer, requiring multiple interventions with substantial medical costs.
Zhou J, Liu Y, Zhao M, Zhang X.
europepmc   +2 more sources

Cerebral artery dilatation maintains cerebral oxygenation at extreme altitude and in acute hypoxia : an ultrasound and MRI study [PDF]

open access: yes, 2011
Transcranial Doppler is a widely used noninvasive technique for assessing cerebral artery blood flow. All previous high altitude studies assessing cerebral blood flow (CBF) in the field that have used Doppler to measure arterial blood velocity have ...
Hirani, Shashivadan P.   +61 more
core   +1 more source

Le cholédococèle: une variété rare de dilatation kystique congénitale des voies biliaires

open access: yesThe Pan African Medical Journal, 2018
La dilatation kystique des voies biliaires (DKVB) est une pathologie rare, elle touche principalement les jeunes femmes, avec la douleur comme maitre symptôme. Son principal risque est la cancérisation.
Nabil Boudjenan Serradj   +3 more
doaj   +1 more source

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