aspiration /as·pi·ra·tion/ (as″pĭ-ra´shun)
meconium aspiration,
aspiration [as″pĭ-ra´shun]
1. the drawing of a foreign substance, such as the gastric contents, into the respiratory tract during inhalation.
2. removal by suction, as the removal of fluid or gas from a body cavity or the procurement of biopsy specimens.
meconium aspiration aspiration of meconium by the fetus or newborn, which may result in atelectasis, emphysema, pneumothorax, or pneumonia.
microsurgical epididymal sperm aspiration (MESA) retrieval of sperm from the epididymis using microsurgical techniques, done in men with obstructive azoospermia.
vacuum aspiration removal of the uterine contents by application of a vacuum through a hollow curet or a cannula introduced into the uterus.
| meconium aspiration n. Aspiration of amniotic fluid contaminated with meconium by a fetus in hypoxic distress. |
meconium aspiration,
the inhalation of meconium by a fetus or newborn. It can block the air passages and cause failure of the lungs to expand or other pulmonary dysfunction, such as pneumonia or emphysema.
aspiration [as″pĭ-ra´shun]
inhalation of some foreign material; aspiration of vomitus, blood, or mucus may occur when a person is unconscious or under the effects of a general anesthetic, and can be avoided by keeping the head turned to the side and removing all such foreign material from the air passages.
A, Types of aspiration. A, Aspiration before swallow caused by reduced tongue control. B, Aspiration before swallow caused by absent swallow response. C, Aspiration during swallow caused by reduced laryngeal closure. D Aspiration after swallow caused by pooled material in pyriform sinuses overflowing into airway. From Logemann J: Evaluation and Treatment of Swallowing Disorders, San Diego, College-Hill Press, 1983.
withdrawal of fluid by an aspirator; the method is widely used in hospitals, especially during surgery, to drain the area of the body being operated on and keep it clear of excess blood and other fluids to facilitate visualization of the surgical field. Sometimes after extensive surgery, suction drainage under the skin is used to speed the healing process.
meconium aspiration inhalation of meconium by the fetus or newborn, which may result in atelectasis, emphysema, pneumothorax, or pneumonia.
risk for aspiration a nursing diagnosis accepted by the North American Nursing Diagnosis Association, defined as a state in which an individual is at risk for entry of gastric secretions, oropharyngeal secretions, solids, or fluids into the tracheobronchial passage.
vacuum aspiration a form of induced abortion in which the uterine contents are removed by application of a vacuum through a hollow curet or a cannula introduced into the uterus.
meconium
yellow-orange mucilaginous material in the intestine of the full-term fetus; it constitutes the first stools passed by the newborn.
meconium aspiration
aspiration of fragments of meconium into the pulmonary airways occurs in the fetus in the terminal stages of many infections.
meconium ileus
intestinal obstruction in the newborn due to the blocking of the bowels with thick meconium. This is an important disease of newborn colt foals. The syndrome is usually one of subacute abdominal pain, restlessness and straining, and a positive finding on rectal examination. Occasional cases show severe pain and tympany of the large intestine. Called also meconium retention.
meconium retention
see meconium ileus (above). See also impaction colic.
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