Results 11 to 20 of about 269,714 (314)

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   +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

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

Integrability and maximally helicity violating diagrams in n=4 supersymmetric yang-mills theory. [PDF]

open access: yes, 2015
We apply maximally helicity violating (MHV) diagrams to the derivation of the one-loop dilatation operator of N=4 supersymmetric Yang-Mills theory in the SO(6) sector.
Penante, B   +3 more
core   +1 more source

TRACHEAL DILATATION [PDF]

open access: yesSurvey of Anesthesiology, 1976
Three cases of tracheal dilatation following prolonged ventilation through a tracheostomy tube with a conventional cuff are reported. The routine care of tracheostomies in the ITU at Northampton General Hospital is described. Possible causes for the development of dilatation are suggested and the symptoms and signs discussed.
M E, Fryer, R D, Marshall
openaire   +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

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

Comparison of Endoscopic Papillary Balloon Dilatation and Sphincterotomy for Lithotripsy in Difficult Sphincterotomy [PDF]

open access: yes, 2011
Background: Endoscopic papillary balloon dilatation is as effective as sphincterotomy for lithotripsy with a lower risk of hemorrhage, but a higher risk of pancreatitis has been reported.
廖偉智;黃世貝;吳明賢;林肇堂;王秀伯   +1 more
core   +1 more source

Videofluoroscopy-guided balloon dilatation for treatment of severe pharyngeal dysphagia [PDF]

open access: yes, 2015
Balloon dilatation is a widely accepted technique in the management of esophageal and other types of gastrointestinal strictures, but it is rarely used for the treatment of pharyngeal dysphagia. Therefore, the aim of our prospective study was to evaluate
Jyunko Matsuo   +5 more
core   +1 more source

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