operation

operation /op·er·a·tion/ (op?er-a´shun)

1. any action performed with instruments or by the hands of a surgeon; a surgical procedure.

2. any effect produced by a therapeutic agent.op´erative

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Albee's operation  an operation for ankylosis of the hip.

Babcock's operation  a technique for eradication of varicose veins by extirpation of the saphenous vein.

Bassini operation  plastic repair of inguinal hernia.

Beer's operation  a flap method for cataract.

Belsey Mark IV operation  an operation for gastroesophageal reflux performed through a thoracic incision; the fundus is wrapped 270 degrees around the circumference of the esophagus, leaving its posterior wall free.

Billroth's operation  partial resection of the stomach with anastomosis to the duodenum (Billroth I) or to the jejunum (Billroth II).

Blalock-Taussig operation  side-to-side anastomosis of the left subclavian artery to the left pulmonary artery to shunt some of the systemic circulation into the pulmonary circulation; performed as palliative treatment of tetralogy of Fallot or other congenital anomalies associated with insufficient pulmonary arterial flow.

Browne operation  a type of urethroplasty for hypospadias repair, in which an intact strip of epithelium is left on the ventral surface of the penis to form the roof of the urethra, and the floor of the urethra is formed by epithelialization from the lateral wound margins.

Brunschwig operation  pancreatoduodenectomy performed in two stages.

Caldwell-Luc operation 

1. antrostomy in which an opening is made into the maxillary sinus via an incision into the supradental fossa opposite the premolar teeth.

2. in compound zygomaticomaxillary fractures, a method of packing of the maxillary sinus to allow reduction of displaced fragments of the zygoma by upward and outward pressure.

Cotte's operation  removal of the presacral nerve.

Daviel's operation  extraction of a cataract through a corneal incision without cutting the iris.

Denis Browne operation  Browne o.

Dührssen operation  vaginal fixation of the uterus.

Dupuy-Dutemps operation  blepharoplasty of the lower lid with tissue from the upper lid.

Elliot's operation  sclerectomy by trephine.

equilibrating operation  tenotomy of the direct antagonist of a paralyzed eye muscle.

exploratory operation  incision into a body area to determine the cause of unexplained symptoms.

flap operation 

1. any operation involving the raising of a flap of tissue.

2. in periodontics, an operation to secure greater access to granulation tissue and osseous defects, consisting of detachment of the gingivae, the alveolar mucosa, and/or a portion of the alveolar mucosa.

Fothergill operation  an operation for uterine prolapse by fixation of the cardinal ligaments.

Frazier-Spiller operation  trigeminal rhizotomy using an approach through the middle cranial fossa.

Fredet-Ramstedt operation  pyloromyotomy.

Frost-Lang operation  insertion of a gold ball in place of an enucleated eyeball.

Gonin's operation  thermocautery of the fissure in the retina, performed through an opening in the sclera, for retinal detachment.

Hartmann's operation  resection of a diseased portion of the colon, with the proximal end of the colon brought out as a colostomy and the distal stump or rectum being closed by suture.

Kelly's operation  see under plication.

King's operation  arytenoidopexy.

Kraske's operation  removal of the coccyx and part of the sacrum for access to a rectal carcinoma.

Lagrange's operation  sclerectoiridectomy.

Le Fort's operation , Le Fort-Neugebauer operation uniting the anterior and posterior vaginal walls at the middle line to repair or prevent uterine prolapse.

Lorenz's operation  an operation for congenital dislocation of the hip.

McBurney operation  radical surgery for the cure of inguinal hernia.

Macewen's operation  an operation for the radical cure of hernia by closing the internal ring with a pad made of the hernial sac.

McDonald operation  an operation for incompetent cervix, in which the cervical os is closed with a purse-string suture.

McGill's operation  suprapubic transvesical prostatectomy.

McVay operation  see under repair.

Manchester operation  Fothergill o.

Marshall-Marchetti-Krantz operation  suture of the anterior portion of the urethra, vesical neck, and bladder to the posterior surface of the pubic bone for correction of stress incontinence.

Motais' operation  transplantation of a portion of the tendon of the superior rectus muscle of the eyeball into the upper lid, for ptosis.

Partsch's operation  a technique for marsupialization of a dental cyst.

radical operation  one involving extensive resection of tissue for complete extirpation of disease.

Ramstedt's operation  pyloromyotomy.

Saemisch's operation  transfixion of the cornea and of the base of the ulcer for cure of hypopyon.

Shirodkar's operation  an operation for incompetent cervix in which the cervical os is closed with a surrounding purse-string suture.

Wertheim's operation  radical hysterectomy.

Ziegler's operation  V-shaped iridectomy for forming an artificial pupil.

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op·er·a·tion (p-rshn)

n.

1. A surgical procedure, usually using instruments, for remedying an injury, ailment, defect, or dysfunction.

2. The act, manner, or process of functioning.

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operation,

n 1. a surgical procedure.
n 2. the action of a drug or other remedy.
n 3. an act or series of acts performed on the body of a patient for relief or cure.

operation, Abbé-Estlander

n.pr the transfer of a full-thickness section of one lip of the oral cavity to the other lip, using an arterial pedicle to ensure survival of the graft.

operation, blind,

n a procedure in which the surgeon operates by using the sense of touch and knowledge of surgical anatomy without making a significant mucous membrane or cutaneous incision.

operation, computer,

n the program step undertaken or executed by a computer (e.g., addition, multiplication, comparison, and data movement). The operation is usually specified by a functional command in the software used.

operation, exploratory,

n a surgical procedure used to establish a diagnosis.

operation, Gillies',

n.pr a technique for reducing fractures of the zygoma and the zygomatic arch through an incision in the temporal hairline.

operation, Kazanjian's

n.pr a technique of surgical extension of the vestibular sulcus for improved prosthetic foundation of edentulous ridges. Also known as
Kazanjian's procedure. See also extension, ridge.

operation, modified flap,

n a variation of the flap procedure in oral and periodontal surgery. In this variation the vertical incisions of the flap procedure are not made, but the labial and/or lingual gingival walls are distended as far as possible to ensure sufficient access and an unobstructed view for instrumentation. See also flap, periodontal.

operation, open,

n a procedure in which the surgeon operates with full view of the structures through mucous membrane or cutaneous incisions.

operation, Partsch's,

n.pr the name applied to a technique of marsupialization.

operation, pedicle flap,

n a procedure in mucogingival surgery designed to relocate or slide gingival tissue from a donor site in close proximity to an isolated defect, usually a tooth surface denuded of attached gingiva.

operation, Sorrin's,

n.pr a type of flap approach in the treatment of a periodontal abscess; especially suitable when the marginal gingiva appears well adapted and gives no access to the abscess area. A semilunar incision is made below the involved area in the attached gingiva, leaving the gingival margin undisturbed; a flap is raised, allowing access to the abscessed area for curettage. Suturing follows.

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operation

1. any action performed with instruments or by the hands of a surgeon; a surgical procedure.

2. an agricultural, farming undertaking, e.g. cow-calf operation; an enterprise.

3. any effect produced by a therapeutic agent. For specific operations, see the specific name, such as Caslick operation.

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cosmetic operation

one intended to remove or correct a deformity in an esthetically acceptable manner.

covered operation

one performed without exposing the part to the external air or to the possibility of confined tissues or organs escaping, e.g. covered castration.

exploratory operation

incision into the body for determination of the cause of otherwise unexplainable symptoms.

flap operation

any operation involving the raising of a flap of tissue.

radical operation

one involving extensive resection of tissues for the complete extirpation of disease.