Type of Surgery
Information
Last updated: 02/17/2009
Facial clefting has a wide range of clinical presentations, ranging from a simple microform cleft to the complete bilateral cleft involving the lip, palate, and nose. A comprehensive physical examination is performed immediately after birth,...
and the defect is usually evident by visual inspection and examination of the facial structures.
Care must be taken to diagnose other physical problems associated with a genetic syndrome. Weight, nutrition, growth, and development should be assessed and closely monitored.
Presurgical tests include a variety of procedures, such as hemoglobin studies. It is important for the pateint's parents and physician to discuss the operation prior to surgery.
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Definition
Cleft lip repair (cheiloplasty) is surgical procedure to correct a groove-like defect in the lip.
Purpose
A cleft lip does not join together (fuse) properly during embryonic development. Surgical repair corrects the defect, preventing future problems with breathing, speaking, and eating, and improving the person's physical appearance.
Cleft lip repair can be initiated at any age, but optimal results occur when the first operation is performed between two and six months of age. Surgery is usually scheduled during the third month of life.
While the patient is under general anesthesia, the anatomical landmarks and incisions are carefully demarcated with methylene blue ink. An endotracheal tube prevents aspiration of blood. The surgical field is injected with a local anesthestic to provide further numbing and blood vessel constriction (to limit bleeding). Myringotomy (incisions in one or both eardrums) is performed, and myringotomy tubes are inserted to permit fluid drainage.
There are several operative techniques for cleft lip reconstruction. The Millard rotation advancement (R-A) technique is the most widely accepted form of repair. This method involves rotation of the entire philtral dimple (groove in the upper lip) and Cupid's bow (double curve of the upper lip). The scar falls along the new philtral column (central section of the upper lip), and is adjusted as required since the procedure allows for flexibility.
The Millard procedure begins with an incision on the edge of the cleft side of the philtrum, and the cutting continues upward, medially, and to the side. A second incision extends to the buccal sulcus (top part of the upper jaw). The length of this incision depends on the size of the gap to be closed. In this second incision, the surgeon frees soft tissue, which allows him or her to completely lift the lip from the underlying bone. This dissection should be tested to ensure free advancement toward the middle (inadequate dissection is the root cause of poor results). Nasal deformity can be dealt with by a procedure known as the McComb nasal tip plasty, which elevates the depressed nasal dome and rim. Cartilage from the cleft side is freed from the opposite side, and is positioned and reshaped using nylon sutures.
Advantages of the Millard rotation advancement technique (include:
It is the most common procedure (i.e., surgeons more familiar with it).
The technique is adaptable and flexible.
It permits construction of a normal-looking Cupid's bow.
A minimal amount of tissue is discarded.
The suture line is camouflaged.
The disadvantage of the Millard rotation advancement technique is the possible development of a vermilion notch (shortening of the entire lip in the vertical direction), resulting from contracture of the vertical scar.
Cupid's bow is a critical part of the repair, making it very important to accurately determine the high point of Cupid's bow on the lateral lip.
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