Table step 3 signifies that postoperative AHI, night-day SpO
- Note: Research is actually shown due to the fact median ± SD.
- Abbreviations: RFS: reflux trying to find get; RSI: reflux danger sign index.
2 (CT90 and L-SpO2), and ESS scores decreased after UPPP surgery in 34 OSA patients. Moreover, both the RSI score and RFS decreased after treatment with UPPP. Patients whose AHI decreased by 50% from baseline and AHI <20 per hour after surgery were considered as surgical success. 20 The surgical success rate was % (). In 25 successful surgery patients, the RSI score and RFS were lower than before surgery, and the LPR prevalence changed immediately after successful UPPP surgery (Table 4). Figure 3A shows that all individual RSI variables improved significantly after surgery (P <.05), except for hoarseness (P = .054). When we compared the pre- and postsurgery individual RSI variables in patients in the successful or unsuccessful surgery group, all RSI variables improved significantly after successful surgery (P <.05, Figure 3B), except for hoarseness and postnasal drip (P = .117 and P = .052, respectively), but no RSI variables significantly changed after unsuccessful surgery (Figure 3C). This study investigated the effect of UPPP surgery for OSA on LPR symptoms based on patient responses to the RSI and RFS questionnaires. We found: (1) a close correlation between OSA and LPR: LPR is more prevalent in OSA patients than in the general population, and AHI and CT90 were positively and L-SpO2 negatively correlated with LPR symptoms, and (2) UPPP surgery, especially when successful, significantly lowered the mean RSI score and RFS but also individual RSI variables. The fresh new coexistence out of OSA having LPR could have been stated to have a frequency of 20%–67%. 21, twenty-two Although previous training could not show an immediate relationships between them, they advised a potential causative dating. 23 The show mean that the amount of OSA try related having LPR severity, which discover a close correlation anywhere between OSA and you can LPR. A relationships between them you are going to identify our very own efficiency, namely, OSA causes inflammatory injury, reduced intrathoracic pressure, and you may leakages of down esophageal anal sphincter; consequently, LPR (Heartburn) leads to damage to new esophagus, larynx, and you can pharynx mucosa as well as laryngopharyngeal periods. Anti-reflux therapy eters of OSA. 24 Simultaneously, other studies report that CPAP can reduce GER events and improve nocturnal GER symptoms in OSA patients. 20, 21 However, few studies report on the effect of surgical treatment for OSA on LPR. 25 UPPP is usually not the first choice of treatment in most patients with OSA compared to CPAP. If CPAP is refused or the obstructive plane is defined, surgery can be considered as a treatment for OSA, especially multilevel surgery. UPPP is indicated in patients who only have airway collapse at the level behind the palate, and our study included participants whose level of collapse was presumed to be in the oropharynx was in the oropharynx. The present study demonstrated that postoperative AHI, night-time SpO2 (CT90 and L-SpO2), the RSI score, and the RFS were greatly improved after surgery. Interestingly, when we compared the pre- and postsurgery changes in the mean RSI score and mean RFS among patients in the successful and unsuccessful surgery groups, the successful surgery group experienced a significant decrease in the RSI score and RFS, but there was only one significant difference (mean RFS) in the unsuccessful group. We proposed that successful UPPP surgery lowered RSI scores and RFSs, and unsuccessful surgery improved the RFS only.
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