myotomy


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myotomy

 [mi-ot´ah-me]
cutting or dissection of muscular tissue or of a muscle.

my·ot·o·my

(mī-ot'ō-mē),
1. Anatomy or dissection of the muscles.
2. Surgical division of a muscle.
[myo- + G. tomē, excision]

myotomy

(mī-ŏt′ə-mē)
n. pl. myoto·mies
Surgical incision of a muscle.

myotomy

[mī·ot′əmē]
Etymology: Gk, mys + temnein, to cut
the dissection or cutting of a muscle, performed to gain access to underlying tissues or to relieve constriction in a sphincter, such as in severe esophagitis or pyloric stenosis. With the patient under general anesthesia, a longitudinal cut is made through the sphincter muscle but not through the mucosa lining the stomach. See also abdominal surgery.

my·ot·o·my

(mī-ot'ŏ-mē)
1. Anatomy or dissection of the muscles.
2. Surgical division of a muscle.
[myo- + G. tomē, excision]

myotomy

The surgical division or dissection of a muscle. It is done to reduce the pull of an extraocular muscle in the correction of strabismus. See myectomy; strabismus surgery.

my·ot·o·my

(mī-ot'ŏ-mē)
1. Anatomy or dissection of the muscles.
2. Surgical division of a muscle.
[myo- + G. tomē, excision]

myotomy (mīot´əmē),

n a cutting or resection of a muscle.

myotomy

cutting or dissection of muscular tissue or of a muscle.

circumferential myotomy
a means of relieving tension when attempting resection and anastomosis of the cervical or thoracic esophagus.
coccygeal myotomy
transection of a dorsal sacrococcygeal muscle to correct a crooked tail in horses.
Heller's myotomy
an esophagomyotomy at the esophagogastric junction, usually performed as a treatment for megaesophagus caused by achalasia. Called also cardioplasty.
ventral caudal myotomy
see nicking (2).
References in periodicals archive ?
Treatment options which include pneumatic dilation, surgical myotomy and Per-oral endoscopic myotomy (POEM) disrupt the integrity of lower esophageal sphincter (LES) to achieve symptom resolution, promote esophageal emptying and preventing progression to mega esophagus.
In their study, Oelschlanger BK [31] (2003), Patti MG [14] (2005) and Gockel I [23] (2005) various type of myotomy were performed only in 52%, 58% and 35% of patients.
Three patients had mucosal tear on large myotomy, diagnosed per operatively and repaired.
Although the literature indicates the role of increased gastroesophageal relaxation in causing GEI, only an isolated GEI case that occurred as a complication of Heller myotomy has been previously reported (5).
One of the non-responders was referred to cardiothoracic unit where he underwent Heller myotomy and the other patient underwent per oral endoscopic myotomy (POEM) in Pakistan Society of Gastroenterology annual conference 2015 by foreign faculty (risk, benefits and alternate options were explained to the patient and patient's consent was taken before referring him for the procedure).
Retrograde gastric intussusceptions after myotomy for achalasia.
Multiple preoperative endoscopic interventions are associated with worse outcomes after laparoscopic Heller myotomy for achalasia.
Pharmacologic therapy, the least effective treatment option, is recommended for patients who are unwilling or unable to undergo myotomy and/or dilation and do not respond to botulinum toxin.
All the patients in this study had coronoidectomy or temporalis myotomy as a routine procedure if the achieved mouth opening was less than 35 mm after excision of fibrous bands.
4) Endoscopic procedures involve a transoral cricopharyngeal myotomy classically performed with a laser or stapler.
In 2007 an elective laparoscopic Heller myotomy (approximately 5 cm anterior myotomy) with Dor fundoplication was performed without complication.
The ultimate and generally accepted optimal treatment, however, is the surgical Heller's myotomy (Figure 2).