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Toru Kikawada, MD; Takeo Nonoda, MD; Mariko Matsumoto, MD; Mikino Kikura, MD; Keiko Kikawada, MD

Arch Otolaryngol Head Neck Surg. 2000;126:55-60.

Objective  To describe a new high-pressure water jet (HPWJ) treatment to remove intractable diseased mucosa persisting in the maxillary sinus several months after endoscopic sinus surgery (ESS) while preserving the periosteum.

Design  A retrospective review of HPWJ treatment in 45 consecutive patients with at least 12 months follow-up.

Setting  A private surgicenter in Japan.

Patients  Patients (25 male and 20 female) ranged in age from 8 to 59 years. All patients had diffuse intractable lesions in the opened maxillary sinus after the initial ESS, with or without disease of the ethmoid and other major sinuses.

Main Outcome Measures  Resolution of diffuse intractable disease in the maxillary sinus and postoperative change in the size of the cavity were evaluated using nasal endoscopy and computed tomographic scan.

Results  Twenty-six (81%) of 32 sides in 25 patients with isolated persistent maxillary sinus disease were restored after HPWJ procedures; 25 (93%) of 27 sides in 20 patients who also had ethmoiditis also were restored. In the latter group, ethmoiditis recurred in 5 sides, which also included 2 sides of unrestored maxillary sinuses. Of the 51 restored sides, 33 (65%) were restored within 3 months after HPWJ treatment under endoscopic observation. No complications were seen during the surgery. Except for 1 side in 1 patient from which all diseased mucosa was removed almost completely, along with the periosteum, no reduction of the cavity by scar tissue formation was observed. This method did not affect the development of the maxillary bone in children.

Conclusion  Removing diffuse intractable diseased mucosa in the maxillary sinus while preserving the periosteum with HPWJ treatment is an effective surgical therapy that fulfills the ultimate purpose of ESS.

From the Hamamatsu Ear, Nose and Throat Surgicenter, Hamamatsu, Japan.

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