Spinal anesthesia is also known as spinal analgesia or spinal block that includes the types of anesthesia where local anesthetic is injected near spinal cord and nerve roots to obstruct the entire region of the body the sensations of pain. Spinal anesthesia produces intense sensory and motor blockade as well as sympathetic blockade. Spinal anesthesia is used primarily for surgery of the lower abdomen and the legs. In spinal anesthesia muscles are relaxed and there is usually less blood loss than with other methods.It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on April, 2024
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