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OVERVIEW

The primary goal of sleep apnea diagnostic workup and subsequent surgical intervention is the restoration of upper airway stability during sleep. Obstructive sleep apnea occurs when pharyngeal soft tissues collapse, obstructing airflow and leading to nocturnal hypoxemia (low blood oxygen), systemic blood pressure spikes, and sleep fragmentation. Polysomnography provides quantitative measurement of the Apnea-Hypopnea Index (AHI) and oxygen desaturation levels. When non-surgical measures such as continuous positive airway pressure (CPAP) fail or are not tolerated, UPPP remodels the soft palate, uvula, and pharyngeal arches to prevent structural airway collapse.

PROCEDURE

The patient is placed under general anesthesia with endotracheal intubation, often utilizing a flexible fiberoptic approach if severe upper airway narrowing exists. A specialized oral retractor (such as a McIvor mouth gag) is placed to expose the oropharynx. If palatine tonsils are present, bilateral tonsillectomy is performed using electrocautery, coblation, or cold-steel dissection. The redundant mucosa and submucosal adipose tissue of the soft palate are identified. The uvula is resected partially or altered via imbrication techniques. The anterior pillar (palatoglossus muscle) and posterior pillar (palatopharyngeus muscle) are apposed using interrupted absorbable sutures to draw the lateral pharyngeal walls laterally and anteriorly. Hemostasis is verified, and the retropalatal space is inspected for adequate caliber prior to extubation.

BENEFITS

Evidence-based outcomes and clinical advantages include:

  • Airway Resection and Expansion: Direct anatomical enlargement of the narrowest retropalatal segment of the upper airway (AAO-HNS Clinical Guidelines 2019).
  • Reduction in Apnea-Hypopnea Index (AHI): Statistically significant drop in nocturnal obstructive events in appropriately selected surgical candidates (MacKay et al., 2020).
  • Amelioration of Nocturnal Hypoxemia: Decrease in time spent with blood oxygen saturation below 90%, mitigating sleep-induced cardiovascular stress.
  • Reduction in Loud Snoring: Elimination or marked dampening of high-frequency acoustic pharyngeal vibrations caused by soft palate flutter.
  • Improvement in Daytime Sleepiness: Significant reduction in Epworth Sleepiness Scale (ESS) scores following successful pharyngeal reconstruction (Caples et al., 2010).

RECOVERY

Immediate recovery occurs in a monitored surgical unit for 24 hours to track airway patency, oxygen saturation, and potential bleeding. Severe odynophagia (painful swallowing) is typical for the first 10 to 14 days and is managed with scheduled analgesics and systemic anti-inflammatory protocols. Patients follow a strict liquid and soft diet to prevent thermal or mechanical damage to the healing pharyngeal suture lines. Heavy exercise, heavy lifting, and non-steroidal anti-inflammatory agents (NSAIDs) that increase bleeding risk are avoided for two to three weeks. Soft tissue healing and mucosal re-epithelialization complete within four to six weeks. A repeat overnight polysomnography is scheduled at 90 to 180 days post-surgery to objectively assess reduction in the Apnea-Hypopnea Index.

WHAT WE TREAT

This clinical pathway addresses diagnostic evaluation and surgical management for:

  • Obstructive Sleep Apnea (OSA): Moderate-to-severe upper airway obstruction characterized by an Apnea-Hypopnea Index (AHI) greater than 15 events per hour.
  • CPAP Intolerance: Inability to comply with continuous positive airway pressure therapy due to structural, nasal, or anatomical intolerance.
  • Anatomical Pharyngeal Obstruction: Hypertrophic (enlarged) palatine tonsils, elongated uvula, redundant soft palate tissue, or palatal collapse.
  • Severe Upper Airway Resistance Syndrome (UARS): Flow limitation causing recurrent sleep disruptions and daytime fatigue unresponsive to conservative measures.

PREPARATION

Preparation involves comprehensive sleep diagnostic testing (overnight laboratory polysomnography) following American Academy of Sleep Medicine (AASM) standards. Patients undergo an anatomical workup including flexible fiberoptic nasopharyngoscopy, occasionally enhanced by Drug-Induced Sleep Endoscopy (DISE) to isolate the precise levels of airway collapse (retropalatal, retrolingual, or lateral wall). Routine blood counts, coagulation panels, and electrocardiography are completed. Patients must stop antiplatelet or anticoagulant agents 7 to 10 days prior under medical guidance. Continuous positive airway pressure (CPAP) or auto-CPAP therapy should be maintained up to the night before surgery to optimize baseline oxygenation.

RISKS

Common and mild side effects include acute sore throat, referred otalgia (ear pain), transient velopharyngeal insufficiency (minor fluid regurgitation into the nose when swallowing), dysphagia, and altered taste sensation. Uncommon risks include surgical site infection, primary or secondary hemorrhage from tonsillar beds (occurring in 2% to 5% of cases), palatal stenosis, and prolonged nasal speech. Rare but severe complications include acute airway edema leading to respiratory compromise, severe velopharyngeal insufficiency (chronic nasal regurgitation), deep vein thrombosis, and anesthesia-related adverse cardiac events.

JOURNEY

The clinical journey begins with a comprehensive diagnostic evaluation, including an overnight laboratory polysomnography or accredited home sleep apnea test. Following an absolute diagnosis of OSA and documented CPAP non-adherence or anatomic obstruction, an otolaryngologist performs a detailed upper airway examination, including flexible nasopharyngoscopy. The patient undergoes pre-operative systemic screening and airway mapping. The UPPP procedure is performed under general anesthesia in a surgical suite, often combined with tonsillectomy. Post-operatively, patients are observed overnight for airway safety and fluid intake. Short-term recovery involves pain management and dietary progression over two to three weeks. Long-term follow-up requires a repeat polysomnography at three to six months to evaluate anatomical and physiological success.

Hospitals Offering this treatment

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Hisar Intercontinental Hospital

Hisar Intercontinental Hospital

Saray Mah. Siteyolu Cad. No:7, Umraniye, 34768, Istanbul, Turkey

Medical Park Group, Istanbul

Medical Park Group, Istanbul

Fahrettin Kerim Gokay Cad. Tıbbiye Cd., Kadikoy, Istanbul, Turkey

Emsey Hospital, Pendik, Istanbul

Emsey Hospital, Pendik, Istanbul

Çamlık, Selçuklu Cd. No:22, 34912 Pendik/İstanbul, Türkiye

LIV Hospital, Istanbul

LIV Hospital, Istanbul

American Hospital, Istanbul

American Hospital, Istanbul

Guzelbahce Sk. No:20, 34365, Nisantasi, Istanbul, Turkey

Memorial Hospitals Group

Memorial Hospitals Group

Burhaniye, Nagehan Sokağı No:4/A D:1, 34676 Üsküdar/İstanbul, Türkiye

Florence Nightingale Hospital Istanbul

Florence Nightingale Hospital Istanbul

Abide-i Hürriyet Cd No:166, 34381 Sisli, Istanbul

Medicana International Hospital, Istanbul

Medicana International Hospital, Istanbul

Halit Ziya Turkkani Mah. Medikal Park Cd. No:1, Beylikdüzü, İstanbul

Okan University Hospital Istanbul

Okan University Hospital Istanbul

Icmeler Mah. Aydınlıyolu Cd. No:2, 34947 Icmeler-Tuzla, Istanbul

Kolan International Hospital, Istanbul

Kolan International Hospital, Istanbul

Kaptanpasa Mah. Okmeydan Kavsagi, Darulaceze Cd. No:14, 34384 Sisli, Istanbul

Al Zahra Hospital, Dubai

Al Zahra Hospital, Dubai

Sheikh Zayed Road, Al Barsha 1, Dubai, UAE

Burjeel Medical City, Abu Dhabi

Burjeel Medical City, Abu Dhabi

28th Street, Mohammed Bin Zayed City, Abu Dhabi, UAE

Burjeel Hospital, Dubai

Burjeel Hospital, Dubai

Dubai, UAE (part of Burjeel Holdings network)

King's College Hospital, Dubai

King's College Hospital, Dubai

Dubai Hills, Mohammed Bin Rashid City, Dubai, UAE

Neuro Spinal Hospital (NSH), Dubai

Neuro Spinal Hospital (NSH), Dubai

Dubai Science Park, Umm Suqeim St, Al Barsha South, Dubai, UAE

HMS Al Garhoud Hospital, Dubai

HMS Al Garhoud Hospital, Dubai

Al Garhoud Street, Al Garhoud, Dubai, UAE

Canadian Specialist Hospital, Dubai

Canadian Specialist Hospital, Dubai

Abu Hail Street 269/1, Canadian Specialist Hospital Building, Hor Al Anz East, Deira, Dubai, UAE

NMC Royal Women's Hospital, Abu Dhabi

NMC Royal Women's Hospital, Abu Dhabi

Tower B, Mohammed bin Zayed Stadium, Al Jazira Club, Opposite Dusit Thani, Muroor Road, Abu Dhabi, UAE

NMC Specialty Hospital, Al Nahda, Dubai

NMC Specialty Hospital, Al Nahda, Dubai

7A St, Al Qusais, Al Nahda 2, next to Bait Al Khair Building, Dubai

Bangkok Hospital, Thailand

Bangkok Hospital, Thailand

2 Soi Soonvijai 7, New Petchburi Road, Huay Khwang, Bangkok 10310, Thailand

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