dilatation

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Related to dilatational: dilatational wave

dilatation

 [dil″ah-ta´shun]
1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions by medications or instrumentation.
2. the act of dilating or stretching.
dilatation of the heart compensatory enlargement of the cavities of the heart, with thinning of the walls.

di·la·tion

(dī-lā'shŭn),
1. Physiologic or artificial enlargement of a hollow structure or opening.
2. The act of stretching or enlarging an opening or the lumen of a hollow structure.
Synonym(s): dilatation
[L. dilato, pp. dilatatus, to spread out, dilate]

dilatation

/dil·a·ta·tion/ (dil″ah-ta´shun)
1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions.
2. the act of dilating or stretching.

dilatation of the heart  compensatory enlargement of the cavities of the heart, with thinning of its walls.
segmental dilatation  dilatation of a portion of a tubular structure, such as the intestine, the segments on either side of the dilatation being of normal caliber.

dilatation

(dĭl′ə-tā′shən, dī′lə-)
n.
Dilation.

dil′a·ta′tion·al adj.

dilatation

See dilation.

dilatation

Widening. This may be a normal process or may imply stretching beyond normal dimensions, either as part of a disease process or as a deliberate surgical act.

di·la·tion

, dilatation (dī-lā'shŭn, dil'ă-tā'shŭn)
1. Physiologic or artificial enlargement of a hollow structure or opening.
2. Stretching an opening of a hollow structure.

dilatation, dilation

1. the condition, as of an orifice or tubular structure, of being dilated or stretched beyond normal dimensions.
2. the act of dilating or stretching. See under anatomical location, e.g. esophageal, cardiac, intestinal, gastric, pupillary.

dilatation-torsion syndrome
see gastric dilatation-volvulus.
References in periodicals archive ?
Ciaglia in 19854, described the first percutaneous dilatational tracheostomy technique without any large skin cutting except for the small skin incision and multiple dilators usage, over the Seldinger wire, which was safe and quick.
This retrospective non-randomised comparative study done at Chengalpattu Medical College Hospital, fifty critically ill patients who were on endotracheal intubation and undergone percutaneous dilatational tracheostomy and standard operative tracheostomy between the years 2010-2015 were selected.
Bedside percutaneous dilatational tracheostomy with endoscopic guidance: experience with 71 ICU patients.
The first randomised trial comparing the LMA and ETT for percutaneous dilatational tracheostomy was reported by Ambesh et al (15) who assigned 60 patients to either ETT or LMA (size 3 for females and size 4 for males).
This is a neutral gravisphere and its order of magnitude results from the value of the dilatational mass.
A prospective, randomized study comparing early percutaneous dilatational tracheostomy to prolonged translaryngeal intubation in critically ill medical patients.
The hole drilled through a number of steeply dipping, northerly-trending gold-bearing pyrite veins without intersecting any bonanza-grades which are associated with vertical dilatational zones and occur where these veins intersect with a prominent easterly-trending fracture set, such as that intersected in NEV022 (2m at 98.
Fibre-optic bronchoscopy-assisted percutaneous dilatational tracheostomy by guidewire dilating forceps in intensive care unit patients.
Comparison of open versus bedside percutaneous dilatational tracheostomy in the cardiothoracic surgical patient: Outcomes and financial analysis.
Here, 1 V/[micro]bar can be converted (using aluminum dilatational wave velocity of 6.