UPPP Surgery for Sleep Apnea in Corpus Christi, TX

Uvulopalatopharyngoplasty (UPPP) is a surgical procedure that widens the retropalatal airway, the space behind the soft palate, by removing and repositioning excess pharyngeal soft tissue. It is one of the most established surgical treatments for obstructive sleep apnea (OSA) in adults who have difficulty tolerating continuous positive airway pressure (CPAP) therapy and whose upper airway obstruction is primarily located at the level of the soft palate. At Corpus Christi ENT Sinus & Allergy, Dr. Todd M. Weiss performs UPPP as part of a comprehensive, anatomy-guided surgical strategy for sleep-disordered breathing.

How UPPP Addresses Sleep Apnea

Obstructive sleep apnea results from upper airway collapse during sleep. When the primary site of collapse is the retropalatal segment, the region behind the soft palate, between the posterior edge of the hard palate and the tip of the epiglottis, UPPP provides anatomical enlargement of this critical space. During the procedure, the uvula is removed, the free edge of the soft palate is trimmed and sutured in a more anterior and superior position, and the palatine tonsils are excised (if still present). Excess lateral pharyngeal wall mucosa may also be repositioned. These maneuvers increase the cross-sectional area of the retropalatal airway and reduce the compliance of the pharyngeal soft tissues, making collapse during sleep less likely.

Drug-Induced Sleep Endoscopy (DISE): The Key to Patient Selection

The single most important factor determining UPPP success is accurate identification of the site or sites of upper airway collapse. Drug-induced sleep endoscopy (DISE) is a diagnostic procedure in which pharmacologically induced sleep is created using a carefully titrated infusion of propofol or dexmedetomidine, and a flexible fiberoptic endoscope is passed through the nose to directly observe the upper airway as it collapses under simulated sleep conditions. DISE allows the surgeon to characterize collapse at four anatomical levels:

Velum (soft palate and uvula) — retropalatal collapse
Oropharynx (lateral walls and tonsils) — lateral pharyngeal wall collapse
Tongue base — retrolingual collapse
Epiglottis — epiglottic collapse

UPPP is most effective when velum-level collapse is the predominant pattern. Patients with isolated or predominant tongue-base or epiglottic collapse are unlikely to benefit and should be directed toward alternative interventions such as hypoglossal nerve stimulation or maxillomandibular advancement. DISE-guided surgery significantly improves patient selection and surgical outcomes compared to anatomy-blind case selection.

Candidacy for UPPP

Ideal candidates for UPPP for sleep apnea include:

Adults with mild to moderate OSA (AHI 5 to 30) intolerant of or non-adherent to CPAP therapy
Patients with tonsillar hypertrophy contributing to retropalatal and oropharyngeal narrowing
Patients with retropalatal obstruction confirmed on DISE
Patients who have failed a trial of oral appliance therapy
Patients with BMI below 32 to 35 — obesity significantly reduces UPPP efficacy by contributing to residual tongue-base and hypopharyngeal obstruction

UPPP is less likely to be effective as the sole procedure in patients with severe OSA (AHI greater than 30), obesity, or multilevel obstruction identified on DISE. In these cases, UPPP may be combined with tongue-base or hypopharyngeal procedures, or alternative surgical approaches may be recommended.

The Procedure and Hospital Stay

UPPP is performed under general anesthesia. The procedure itself typically takes 45 to 90 minutes. Unlike many ENT procedures, UPPP typically requires an overnight hospital stay to manage post-operative airway swelling, pain, and to ensure safe recovery from anesthesia. Patients with severe OSA or significant comorbidities may require a longer observation period. Airway management in the immediate post-operative period requires vigilance, and UPPP is performed at a facility equipped for post-operative airway monitoring.

Recovery

Pain Management

Post-operative throat pain is the most significant aspect of UPPP recovery and is typically most severe during the first three to five days. Pain is managed with a combination of scheduled oral analgesics (acetaminophen and ibuprofen), narcotic analgesics as needed for breakthrough pain, oral corticosteroids to reduce pharyngeal edema, and topical throat sprays or lozenges. Adequate hydration is essential and facilitates more comfortable swallowing.

Diet

A soft or liquid diet is required for the first two weeks following UPPP. Patients are encouraged to eat cool or room-temperature foods, avoid sharp-edged foods (crackers, chips) that could traumatize the healing palate, and maintain excellent oral hygiene with gentle salt-water gargles.

Return to Activity

Days 1 to 5: Rest at home; adequate oral hydration; pain management as prescribed
Days 5 to 10: Pain begins to subside; soft diet continues; gentle activity
Week 2: Most patients are comfortable enough to return to sedentary work
Weeks 3 to 4: Progressive return to normal diet and activity
Weeks 4 to 6: Palate healing is complete; voice quality normalizes

Measuring Outcomes: Post-Operative Sleep Study

Surgical success for OSA is defined as a 50 percent or greater reduction in AHI to below 20 events per hour. A post-operative sleep study is typically performed six to eight weeks after surgery after full mucosal healing to objectively assess treatment response. Reported surgical success rates for UPPP in carefully selected patients (particularly those with tonsillar hypertrophy and retropalatal obstruction) range from 55 to 80 percent. When combined with tongue-base procedures or other multilevel interventions as part of a phased surgical strategy, cumulative success rates are higher.

Patients in whom UPPP does not achieve the target AHI reduction may require additional surgical procedures, resumption of CPAP (which is often better tolerated after the airway has been widened by UPPP), or consideration of hypoglossal nerve stimulation.

Risks and Complications

Postoperative hemorrhage: a rare but serious complication, typically occurring within the first 10 days; requires immediate medical evaluation
Nasopharyngeal stenosis: an extremely rare but severe complication involving scarring of the nasopharynx; minimized by conservative tissue resection
Persistent dysphagia: usually temporary, resolving within four to six weeks
Altered taste sensation: typically temporary
Velopharyngeal insufficiency (VPI): nasal regurgitation of liquids and a hypernasal voice quality from incomplete soft palate closure — the most concerning long-term complication, occurring in less than one to two percent of cases with conservative palatal resection

Schedule an Appointment Today

If sleep apnea is disrupting your rest and CPAP hasn’t worked for you, surgical options like UPPP may help. Call us at (361) 320-6130 or connect with us online to schedule a consultation.