New Guidelines for Managing Rare Anesthesia Complication at Ambulatory Surgical Centers

Article ID: 584309

Released: 22-Dec-2011 1:30 PM EST

Source Newsroom: International Anesthesia Research Society (IARS)

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Centers Need Individual Policies for Malignant Hyperthermia, Says Expert Panel Report

Newswise — San Francisco, CA. (December 22, 2011) – As the number of surgical procedures performed outside hospitals continues to increase, ambulatory surgical centers (ASCs) need to develop policies for managing malignant hyperthermia—a rare but serious reaction to anesthetics, according to an expert panel report in the January issue of Anesthesia & Analgesia, official journal of the International Anesthesia Research Society (IARS).

The report includes a guide for ASCs to follow in developing specific plans for transferring patients with malignant hyperthermia (MH) to a nearby hospital for advanced care. The lead author of the expert panel report was Dr Marilyn Green Larach of Penn State College of Medicine, Hershey, Pa.

ASCs Must Have a Plan for Managing Rare ComplicationMalignant hyperthermia is a rare condition in which genetically susceptible people develop rapid increases in body temperature and muscle rigidity in response to certain anesthetics and other drugs. Once MH is recognized, it can be avoided by substituting other anesthetics. However, susceptible patients generally go unrecognized until they (or a family member) experience an episode of MH.

When patients develop MH, they need immediate transfer to a hospital capable of providing critical care crisis management. Recent years have seen rapid growth increase in surgical procedures performed at ASCs—which don't have the facilities needed to manage these potentially life-threatening reactions. The guide was developed by a panel of 13 experts representing the Malignant Hyperthermia Association of the United States along with experts in anesthesia, ambulatory surgery, emergency medicine, and nursing.

The panel concluded that every ASC must develop its own specific plan for managing MH, based on individual circumstances. However, all ASCs must be prepared to administer emergency medication—the muscle relaxant dantrolene, given intravenously—before the patient is transferred. Research shows that, for every 30-minute delay in dantrolene treatment, the risk of significant complications of MH doubles.

The guide includes a list of potential problems and treatment for each ASC to consider in developing its unique MH transfer plan. Key issues include the capabilities of the transport team and transfer hospital, indicators of patient stability, making the decision to transfer, and coordinating communications.

Estimated 50 Cases of MH per Year at ASCsMalignant hyperthermia is rare: one study estimated that it occurs in 1 out of every 300,000 surgical procedures performed in ASCs. However, given that the number of procedures performed in ASCs each year is in the millions and growing, it's inevitable that some cases of MH will occur in out-of-hospital surgeries. The panel estimates that nearly 50 MH events may occur each year in "standalone" ASCs (not attached to hospitals).

The panel calls on each ASC to develop, review, and/or revise its MH transfer plan. Dr Larach and her fellow panel members hope their guide will help ASCs to "achieve optimal streamlined care with particular attention to the unique medical requirements of the surgical/medical patient with an MH crisis." The guide may be relevant to other non-hospital settings where anesthetics potentially causing MH are used—for example, surgical or dental offices.

Read the full articles in Anesthesia & Analgesia

About the IARSThe International Anesthesia Research Society is a nonpolitical, not-for-profit medical society founded in 1922 to advance and support scientific research and education related to anesthesia, and to improve patient care through basic research. The IARS contributes nearly $1 million annually to fund anesthesia research; provides a forum for anesthesiology leaders to share information and ideas; maintains a worldwide membership of more than 15,000 physicians, physician residents, and others with doctoral degrees, as well as health professionals in anesthesia related practice; sponsors the SmartTots initiative in partnership with the FDA; and publishes the monthly journal Anesthesia & Analgesia in print and online.

About Anesthesia & AnalgesiaAnesthesia & Analgesia was founded in 1922 and was issued bi-monthly until 1980, when it became a monthly publication. A&A is the leading journal for anesthesia clinicians and researchers and includes more than 500 articles annually in all areas related to anesthesia and analgesia, such as cardiovascular anesthesiology, patient safety, anesthetic pharmacology, and pain management. The journal is published on behalf of the IARS by Lippincott Williams & Wilkins (LWW), a division of Wolters Kluwer Health.


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