Diode laser in uvulopalatopharyngoplasty

Methods:
Laser assisted uvulopalato-pharyngoplasty(LAUP) were performed on the
patient suffering from obstructive sleep apnea syndrome (OSAS).The apnea hypopnea
index(AHI) ,SaO2and clinical symptoms before and after treatment were observed. 

Result:
The therapeutic effect was high, with less bleeding, quick recovery and few complication.

Conclusion :
Diode laser for UPPP can enlarge the horizontal air passage of soft palate.

Key words: 
Laser surgery; Sleep apnea syndromes; Uvulopalatopharyngoplasty


Surgical treatment of obstructive sleep apnea syndrome (OSAS) The purpose is to narrow
the site of the upper airway to expand. Laser cutting has a good function and hemostatic function, can be used to uvulopalatopharyngoplasty (UPPP). April to August, 2006 our hospital 30W diode laser uvulopalatopharyngoplasty surgery (LAUP) 29 cases, there is efficiency of 86.21%.


Surgical Methods: 
30W diode laser, wavelength 810nm, power is 15 ~ 20W, diameter of 1000μm bare fiber light guide. Intraoperative blood loss 15 ~ 20ml.

1 First bilateral tonsil dissection: 
15W-2s-2s non-contact cutting edge of pre-coagulation mucosa, contact-type anatomical dissection tonsillectomy. Tonsillar fossa haemorrhage near the 15W-2s-2s short pulsed laser irradiation.
2 The soft palate resection of the uvula and part of the organization: 
20W continuous contact alone, in the palatal pits 0.5cm below the level of uvula removed, some organizations and pharyngeal soft palate palatal arch. Free edge back after excision of the soft palate may come into contact with the posterior wall of pharynx, soft palate resection margin higher than the trailing edge of the leading-edge 3mm, fiber aspect equidistant 4:00 into the soft palate, the depth of about 1cm, 15W-2s work shot in situ (inter-organizational laser therapy, ILT). Interrupted suture around the margin of the soft palate, bilateral tongue,
pharyngeal arch on the palate were interrupted suture.
3 After reaction: 
24h palatal wounds after the formation of a white pseudomembranous, 5 ~ 10d pseudomembranous gradually fall off, 2 weeks after wound healing. Mild postoperative pain, 2d relieve pain, talk normal; nasal mild regurgitation in 7 cases, were to resume within 2 weeks into the regular food. No other complication.

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