puncture

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puncture

1. a perforation and loss of pressure in a pneumatic tyre, made by sharp stones, glass, etc.
2. the act of puncturing or perforating
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Puncture

 

a piercing of the wall of any cavity, vessel, hollow or parenchymatous organ, tumor, or infiltrate for purposes of treatment or diagnosis. Exploratory punctures are used to help accurately diagnose diseases either through analysis of the contents of a cavity—the pleural cavity, for example—and subsequent cytological, biochemical, and bacteriological examination or through microscopic, ultramicroscopic, cytochemical, and chromosomal study of cells obtained from pathologically altered organs. It is also used for measuring the pressure in the cavities of the heart, large blood vessels, and the cerebrospinal canal and for introducing into a cavity contrast materials or air (radiodiagnostics). Therapeutic punctures are used to extract pus, blood, air, or fluid from a cavity, wash the cavity, and introduce medicinal substances. Often both types of punctures coincide.

There are a number of common punctures. Veins are punctured in order to obtain blood for analysis and for bloodletting, injection of medication, or transfusion of blood. In the case of exudative pleuritis, the pleural cavity is punctured in order to remove air from the cavity and induce artificial pneumothorax. The abdominal cavity is punctured if ascites is present, and joints are punctured for therapeutic and exploratory purposes. Puncture of the cerebrospinal canal is performed for analysis of the cerebrospinal fluid or injection of medications or radiopa-que substances. The urinary bladder is punctured when there is urinary retention and it is impossible to introduce a catheter. Puncture is done with a syringe and a special needle or trocar, according to all the principles of asepsis and anesthesia.

REFERENCE

Diagnosticheskaia i lerapevlicheskaia lekhnika. Edited by V. S. Maiata. Moscow, 1969.

A. N. SMIRNOV

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

puncture

[′pəŋk·chər]
(electricity)
Disruptive discharge through insulation involving a sudden and large increase in current through the insulation due to complete failure under electrostatic stress.
(science and technology)
To pierce or indent.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Being less invasive and easily accessible, arterialised ear lobe blood does not necessitate the risks of arterial punctures. Based on the postulation that provided sufficient vasodilatation can be attained locally using topical vasoactive cream on the earlobe, the arterialised earlobe oxygen tension mimics the arterial oxygen tension due to confluence of arterial and venous oxygen tension.
It was identified as restricted to arterial punctures for blood gas status investigations, and procedures have been introduced to reduce the problem.
As the number of arterial catheterizations has increased, so has the number of complications from arterial punctures. Many of these complications are the result of procedures using larger catheters or requiring periprocedural anticoagulant therapy.) One potentially serious complication at the arterial access site is the formation of a pseudoaneurysm (PA).[1-3] Estimates of postcatheterization PA formation range from 0.6% to 6%.[2,4-8]
[3] The risk of arterial puncture can be almost completely eliminated by the routine use of ultrasound needle guidance.
We are using transthoracic echocardiography (TTE) as guiding tool for percutaneous PDA device closure in selected small infants to save arterial puncture which may lead to femoral artery thrombosis sometimes very difficult to regain circulation in spite of administering heparin post procedure.
Arterial puncture closing devices compared with standard manual compression after cardiac catheterization: systematic review and meta-analysis.
Management of early and late detected vascular complications following femoral arterial puncture for cardiac catheterization.
Early arterial puncture needles were called Cournand needles and based on those developed for use by cardiologists.
The gold-standard sample for blood-gas analysis is arterial blood obtained via an indwelling arterial catheter or by arterial puncture. For a number of reasons, capillary blood is an attractive substitute sample that is routinely used in some clinical settings.
Finally, the surveyor requested specific competency assessment data for specific positions, such as arterial puncture competency for respiratory therapist and age specific procedures in areas such as the Emergency Department, Special Care Nursery, and Pediatrics.
The MedClose(TM) is a proprietary catheter based system that uses Tisseel(R) VH Fibrin Sealant to rapidly seal arterial puncture sites following angiography and angioplasty.
A pseudoaneurysm is defined as a false lumen that occurs at an arterial puncture site and contains active flowing arterial blood.

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