from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The failure of a ring of muscle fibers, such as a sphincter of the esophagus, to relax.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A neuromuscular problem where a ring of muscles is unable to fully relax.


New Latin : a-1 + Greek khalasis, relaxation (from khalān, to loosen).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek α- (a-, "not") + χάλασις (khalasis, "relaxation"), from χαλάω (khalaō, "I loosen"). (Wiktionary)


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  • Traditionally, to treat achalasia, surgeons made incisions in patients 'chests to gain access to the esophagus and stomach.

    The Guardian

  • A myotomy is a surgery designed to reverse the effects of achalasia, which directly impacts the esophagus - the muscles lining the inside of the throat - by inhibiting the ability to swallow and making it difficult for patients to carry food down their stomachs.

    The Guardian

  • John Slepicka, a patient who offered himself up for the trial noninvasive surgery, lost 30 pounds over the two years that he suffered from achalasia, and found that other surgeries did not work for him.

    The Guardian

  • According to Santiago Horgan, chief of minimally invasive surgery at UCSD and the doctor who performed the myotomy, there are two ways achalasia can manifest.

    The Guardian

  • In the U.S., however, achalasia is primarily a genetic disease.

    The Guardian

  • When this happens, achalasia patients can experience chest pains, and often regurgitate their food.

    The Guardian

  • If so, according to Horgan, the procedure could become a standard treatment for achalasia.

    The Guardian

  • Future victims of achalasia - a rare disease that makes it difficult to eat and can cause drastic weight loss - may no longer have to wear scars after surgery.

    The Guardian

  • Medical Center doctors have performed America's first incision-free myotomy, a procedure to treat achalasia, a distressing disorder which causes - Articles related to Nissan says customers likely to lease batteries


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