blockade

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Related to Neuraxial blockade: neuraxial anesthesia

blockade,

use of naval forces to cut off maritime communication and supply. Blockades may be used to prevent shipping from reaching enemy ports, or they may serve purposes of coercion. The term is rarely applied to land sieges. During the Napoleonic wars, both France and Great Britain attempted to control neutral commerce through blockades and embargoes which neither could enforce with sufficient rigor. The Declaration of Paris (see Paris, Declaration ofParis, Declaration of,
1856, agreement concerning the rules of maritime warfare, issued at the Congress of Paris. It was the first major attempt to codify the international law of the sea.
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) proclaimed (1856) that blockades were henceforth to be announced to all affected parties and would be legal only if effectively enforced against all neutrals. In both World Wars blockades were made more effective by the employment, in addition to naval vessels, of mines and aircraft. North Vietnamese ports were mined and blockaded by the United States during later stages of the Vietnam War. Blockades have also occasionally been employed in times of peace as threats to implement diplomacy, as in the blockade of Cuba by the United States in 1962.

blockade

Med the inhibition of the effect of a hormone or a drug, a transport system, or the action of a nerve by a drug
References in periodicals archive ?
Anaesthetists are well aware of the risk of spinal canal haematoma and permanent neurological deficit if performing neuraxial blockade in patients with abnormal clotting parameters.
There have been reported cases of severe spinal canal stenosis becoming symptomatic after neuraxial blockade where there has been no development of spinal haematoma.
The responsibility therefore falls to us as anaesthetists to be just as vigilant and suspicious about previous back injury as we are about clotting parameters when performing neuraxial blockade.
On the basis of this case, we would make the following recommendations regarding neuraxial blockade for patients with previous back injury.