Inferior turbinate surgery and nasal airflow: evidence-based management

Effectiveness of out-fracture of the inferior turbinate with reduction nasal bone fracture

BACKGROUND

The nasal bone, being the most protruding bone in the center of the facial bones, is particularly susceptible to damage. Nasal bone fractures can often result in secondary deformation and dysfunction of the nose, including septal fractures. Studies on functional or intra-nasal complications have been rarely reported after nasal bone fracture reduction.

AIM

To evaluate the severity of nasal obstruction and its improvement following nasal bone fracture reduction using inferior turbinoplasty.

METHODS

We conducted a retrospective review of data from 50 patients with symptomatic nasal obstruction between January to December 2010. All patients underwent preoperative Computed tomography evaluation, and symptom changes and nasal cavity volume were analyzed using a visual analog scale and acoustic rhinometry before and after surgery. Closed reduction and out-fracture of both inferior turbinates performed by the same surgeon. Treatment outcomes were assessed by comparing changes in the nasal airway volume measured using acoustic rhinometry before and after surgery. The minimal cross-sectional area (MCA) was also analyzed based on the Stranc classification.

RESULTS

Before reduction, the mean MCA for all cases was 0.59 ± 0.06 cm2, which represented an 11% decrease compared to the average size of a Korean adult (0.65 ± 0.03 cm2). The MCA for frontal impact was 0.60 ± 0.02 cm2 and for lateral impact, it was 0.58 ± 0.03 cm2. After reduction via inferior turbinoplasty, the MCA improved to 0.64 ± 0.04 cm2.

CONCLUSION

This study suggests that turbinoplasty is helpful in addressing nasal obstruction. Out-fracture of the inferior turbinate is an effective and durable technique that can be easily performed to enlarge the nasal airway with minimal morbidity.

Inferior Turbinate Reduction during Rhinoplasty: Is There Any Effect on Rhinitis Symptoms?

Introduction  Inferior turbinate surgery is often performed concomitantly with rhinoseptoplasty. As inferior turbinates play a major role in allergic rhinitis, it seems reasonable to suggest that inferior turbinate surgery reduces allergy.

Objective  To assess the impact of nasal turbinate surgery on non-obstructive allergic symptoms (nasal discharge, sneezing, pruritus, and allergic conjunctivitis) and on the use of allergic medication in patients with allergic rhinitis undergoing rhinoseptoplasty.

Methods  Secondary analysis of aggregated data from two randomized controlled trials. Participants with allergic rhinitis aged ≥ 16 years were recruited. Data from two groups were analyzed: patients with rhinoseptoplasty and concomitant turbinate reduction (intervention group) and patients with rhinoseptoplasty only (control group). The 90-day postoperative frequency of non-obstructive allergic symptoms and of nasal steroid and oral antihistamine use were analyzed.

Results  A total of 100 patients were studied. The groups were similar in terms of allergic symptom intensity and mean age. The frequency of non-obstructive allergic symptoms decreased 90 days postoperative in both groups ( p  < 0.01). There was no difference between the groups in the frequency of non-obstructive allergic symptoms at 90 days ( p  = 0.835). Topical nasal steroid and oral histamine antagonist use decreased in the intervention group at 90 days ( p  < 0.05).

Conclusions  Ninety days after the surgery, turbinate reduction performed in association with rhinoseptoplasty did not reduce the frequency of non-obstructive allergic symptoms more than rhinoplasty alone. However, the observed decrease in nasal steroid and oral antihistamine use suggests an impact of turbinate reduction on medication use in patients with allergic rhinitis undergoing rhinoseptoplasty.

Trial Registration  ClinicalTrials.gov database (NCT01457638 and NCT02231216).

Comparison of the efficacy of two different local anesthetics in inferior turbinate reduction

PURPOSE

The present study compares the local anesthetic efficacy of EMLA® cream and lidocaine injection used in the radiofrequency reduction of the inferior turbinate.

METHODS

The study included a total of 124 patients with inferior turbinate hypertrophy and who underwent turbinate reduction under local anesthesia. The operations were performed 15 min after a lidocaine injection and 30 min after EMLA cream application. The respondent patients were asked to interpret such situations as intraoperative pain, discomfort during the procedure, choking sensation and difficulty swallowing using the Visual Analogue Scale (VAS).

RESULTS

The EMLA cream patients (Group A) were found to have a lower level of discomfort, choking sensation and difficulty swallowing than the lidocaine patients (Group B), while there was no substantial difference in pain between the two groups.

CONCLUSIONS

It is concluded that EMLA® cream is an effective alternative to lidocaine injection during inferior turbinate reduction procedures.

New wand coblation turbinator vs coblation radiofrequency

INTRODUCTION

İnferior turbinate hypertrophy is a common reason of nasal obstruction. One of the most preferred surgical metod is radiofrequency tecnique. Coblation submucosal reduction turbinator (SCT);new surgical device; started to use recently. Since the method is new, very few study has been done yet. We compare coblation radiofrequency (CR) with SCT.

MATERIAL AND METHODS

Patients with only inferior turbinate hypertrophy but no other diseases included in study. Paranasal CT was made to all patient to rule out turbinate bone hypertrophy. Group 1 32 patient; performed CR. Group 2 25 patients performed SCT. To all patients preoperative and 3 weeks later post operative mucosiliary activity test was performed. Nasal flow was measured with nasal flow meter preoperatively and 3 weeks post operatively. VAS and NOSE was measured. Results compared between two groups. SCT performed under general; CR performed under local anesthesia.

RESULTS

There was significant nasal flow changes in CR group. (p < 0.001) There was no difference in pre-and-post operatively saccharin test results in CR group. (p = 0.385) There was slightly nasal flow gain in SCT group but this was not statistically significant. (p < 0.192) Also there was no statistically significant changes in pre-and-post operatively saccharin test results in SCT group. (p = 0.167) There was no difference between two groups in terms of post operative nasal flow values and mucociliary activity. (respectively p = 0.562, p = 0.355). (Table 2). Both two tecnique has significant increase in VAS and NOSE scores. (p < 0.001).

CONCLUSIONS

According to our study two tecnique is suitable and safe for nasal mucociliary activity. Tecniques has positive effect on nasal flow, VAS and NOSE scores.

Review: The role of computational simulation in understanding the postoperative sinonasal environment

Nasal surgery improves symptoms in a majority of patients for whom medical treatment has failed. In rhinosinusitis patients, endoscopic sinus surgery aims to alleviate obstruction and re-establish mucociliary clearance. Surgery alters the structure-function relationship within the nasal passage, which is difficult to assess clinically. Computational modelling has been used to investigate this relationship by simulating air flow and environmental variables inside realistic three-dimensional models of the human nasal airway but many questions remain unanswered and need further investigation. The application of computational models to improve pre-surgical planning and post-surgical treatment may not be currently possible due to the absence of knowledge correlating the model-predicted parameters to physiological variables. Links between these parameters to patient outcomes are yet to be established. This article reviews the recent application of computational modelling to understand the nasal structure-function relationship following surgery in patients with sinusitis and nasal obstruction.

Review: The role of computational simulation in understanding the postoperative sinonasal environment

Nasal surgery improves symptoms in a majority of patients for whom medical treatment has failed. In rhinosinusitis patients, endoscopic sinus surgery aims to alleviate obstruction and re-establish mucociliary clearance. Surgery alters the structure-function relationship within the nasal passage, which is difficult to assess clinically. Computational modelling has been used to investigate this relationship by simulating air flow and environmental variables inside realistic three-dimensional models of the human nasal airway but many questions remain unanswered and need further investigation. The application of computational models to improve pre-surgical planning and post-surgical treatment may not be currently possible due to the absence of knowledge correlating the model-predicted parameters to physiological variables. Links between these parameters to patient outcomes are yet to be established. This article reviews the recent application of computational modelling to understand the nasal structure-function relationship following surgery in patients with sinusitis and nasal obstruction.

Effect of Turbinate Intervention on Nasal Functions in Septorhinoplasty Surgery

OBJECTIVE

This study was performed to evaluate the effect of inferior turbinate reduction on nasal function.

MATERIALS AND METHODS

A total of 32 patients who underwent septorhinoplasty (SRP) operation were included in the study and assigned into 2 groups as group I who received inferior turbinate reduction during SRP operation consisted of 17 patients and the group II who consisted of 15 patients without inferior turbinate reduction. For 2 groups before and after surgery, visual analogue score and findings of the acoustic rhinometry were recorded both before and after decongestion of the nasal mucosa.

RESULTS

Postoperative mean visual analogue scale (VAS) scores revealed a statistically significant reduction compared with preoperative values on right and left side of the nasal cavity, both before and after topical decongestion in group I (P < 0.005). Also in group II, the differences of VAS scores for both sides before and after topical decongestion were statistically significant (P < 0.05). Postoperatively, the increase of the volume measurements at the level of pyriform sinüs (VOL2) value on the right side of the nasal cavity before and after decongestion and volume measurements at the level of the nasal valve (VOL1) values on both sides after topical decongestion were found to be statistically significant in group I. When the VAS scores and acoustic rhinometry measurements of group I and group II patients were compared the difference, for before and after topical decongestion, postoperative mean MCA1 (minimal cross-sectional area at the level of the nasal valve) values for left side and right side of nasal cavity were higher in group I than group II and these differences were statistically significant (P < 0.005).

CONCLUSIONS

As a result, in the SRP operations, turbinoplasty should be implemented by taking into account the function as well as aesthetic concern. Similar results were obtained in other studies that were carried on.

Endoscopic Submucosal Resection Versus Endoscopic Submucosal Diathermy for Inferior Turbinate Hypertrophy

Endoscopic submucous resection and endoscopic submucous diathermy of the inferior turbinate are two different surgical methods of reducing size in turbinate hypertrophy. We aimed to compare the efficacy of both methods in reducing the nasal symptoms and improving nasal airway. This is a prospective randomized controlled trial conducted in a tertiary hospital, involving fifty patients with inferior turbinate hypertrophy not relieved by medications. After preoperative airway grading using a subjective symptom score, objective airway score and endoscopic score, patients were randomized to undergo either endoscopic submucous diathermy or endoscopic submucous resection. The primary outcome was postoperative improvement of airway and reduction of nasal symptoms. Secondary outcomes were postoperative bleeding and pain. All 24 patients who underwent endoscopic submucous diathermy and 26 who underwent endoscopic submucous resection showed statistically significant reduction in nasal symptoms both in the immediate and late postoperative periods. Patients who underwent endoscopic submucous resection showed greater improvement of airway at 1 week than those who had endoscopic submucous diathermy (p = 0.001). This difference however equalized at the 3-6 months postoperative period. Postoperative bleeding (p = 0.02) and pain (p = 0.04) were significantly more in patients who underwent endoscopic submucous resection. Both endoscopic submucous diathermy and endoscopic submucous resection are equally effective in improving airway in inferior turbinate hypertrophy with a slight advantage of endoscopic submucous resection in the early postoperative period. Reduced postoperative bleeding and pain may make endoscopic submucous diathermy a more attractive option overall.

Sinonasal Quality of Life in Children After Outfracture of Inferior Turbinates and Submucous Inferior Turbinoplasty for Chronic Nasal Congestion

Importance

Chronic nasal congestion often persists in children despite empirical treatment using intranasal corticosteroids, systemic antihistamines, and/or leukotriene receptor antagonists. Symptoms are often reported even with negative results of skin or blood allergy testing. Inferior turbinoplasty has been effective in adults and children, but outfracture of inferior turbinates in children is rarely reported, as is use of validated quality-of-life measures to quantify improvements after intervention. Effective use of these 2 procedures for treating chronic nasal congestion may reduce the need for medication and improve sinonasal quality of life.

Objective

To quantify changes in sinonasal quality of life for children after outfracture of inferior turbinates and concomitant submucous microdebrider inferior turbinoplasty for chronic nasal congestion.

Design, Setting, and Participants

A case series with planned data collection was conducted in an ambulatory pediatric otolaryngology clinic among 43 patients with chronic nasal congestion who underwent surgical intervention between January 1, 2014, and May 31, 2015.

Exposures

Microdebrider submucous inferior turbinoplasty (without bony resection) and outfracture of inferior turbinates.

Main Outcomes and Measures

Demographics and medication use before and after the procedure were reviewed. Scores on the Sinus and Nasal Quality of Life Survey (SN-5) and quality-of-life scores were collected at baseline, 4 to 6 weeks after the procedure, and more than 6 months after the procedure.

Results

Among the 43 patients (14 girls and 29 boys; mean age, 11.2 years [range, 4.8-17.6 years]), every domain showed significant improvements in scores on the Sinus and Nasal Quality of Life Survey and quality-of-life scores 1 to 2 months after the proecdure: sinus infection (-2.55; 95% CI, 1.85-3.26), nasal obstruction (-3.51; 95% CI, 2.88-4.14), allergy symptoms (-2.14; 95% CI, 1.43-2.86), emotional distress (-2.37; 95% CI, 1.68-3.06), activity limitation (-1.70; 95% CI, 1.14-2.25), and overall quality of life (3.72; 95% CI, 2.95-4.48). At long-term follow-up, improvement was maintained in all categories. Significant improvements in SN-5 and quality-of-life scores correlated with proportional decreased reporting of snoring after the procedure (33 [77%] vs 1 [2%]; absolute reduction, 75%; 95% CI, 62%-88%), as well as nasal congestion (41 [95%] vs 1 [2%]; absolute reduction, 93% ; 95% CI, 85%-100%), and rhinorrhea (44 [41%] vs 1 [2%]; absolute reduction, 42%; 95% CI, 27%-57%). The proportion reporting use of intranasal corticosteroids (25 [58%] vs 2 [5%]; absolute reduction, 50%; 95% CI, 39%-71%), antihistamines (27 [63%] vs 1 [2%]; absolute reduction, 61%; 95% CI, 46%-75%), and leukotriene receptor antagonists (13 [30%] vs 0; absolute reduction, 30%; 95% CI, 16%-44%) also decreased.

Conclusions and Relevance

Concomitant outfracture and submucous microdebrider inferior turbinoplasty improves quality of life in children with chronic nasal congestion and can reduce use of daily medication.

Impact of Middle versus Inferior Total Turbinectomy on Nasal Aerodynamics

OBJECTIVES

This computational study aims to (1) use virtual surgery to theoretically investigate the maximum possible change in nasal aerodynamics after turbinate surgery, (2) quantify the relative contributions of the middle and inferior turbinates to nasal resistance and air conditioning, and (3) quantify to what extent total turbinectomy impairs the nasal air-conditioning capacity.

STUDY DESIGN

Virtual surgery and computational fluid dynamics.

SETTING

Academic tertiary medical center.

SUBJECTS AND METHODS

Ten patients with inferior turbinate hypertrophy were studied. Three-dimensional models of their nasal anatomies were built according to presurgery computed tomography scans. Virtual surgery was applied to create models representing either total inferior turbinectomy (TIT) or total middle turbinectomy (TMT). Airflow, heat transfer, and humidity transport were simulated at a steady-state inhalation rate of 15 L/min. The surface area stimulated by mucosal cooling was defined as the area where heat fluxes exceed 50 W/m(2).

RESULTS

In both virtual total turbinectomy models, nasal resistance decreased and airflow increased. However, the surface area where heat fluxes exceed 50 W/m(2) either decreased (TIT) or did not change significantly (TMT), suggesting that total turbinectomy may reduce the stimulation of cold receptors by inspired air. Nasal heating and humidification efficiencies decreased significantly after both TIT and TMT. All changes were greater in the TIT models than in the TMT models.

CONCLUSION

TIT yields greater increases in nasal airflow but also impairs the nasal air-conditioning capacity to a greater extent than TMT. Radical resection of the turbinates may decrease the surface area stimulated by mucosal cooling.

A Novel Approach to Brachycephalic Syndrome. 2. Laser-Assisted Turbinectomy (LATE)

OBJECTIVE

To introduce a new surgical procedure based on interventional, laser-assisted removal of obstructing turbinate tissue to improve endonasal airway patency in brachycephalic dogs and to confirm the short and long term results using computed tomography (CT) and rhinoscopy.

STUDY DESIGN

Prospective clinical study.

ANIMALS

Brachycephalic dogs (n = 158; 70 Pugs, 77 French Bulldogs, 11 English Bulldogs) referred for treatment of severe respiratory distress because of brachycephalic syndrome.

METHODS

Computed tomography and anterior and posterior rhinoscopy were performed to evaluate endonasal obstruction. Laser-assisted turbinectomy (LATE) using a diode laser was performed as part of a multilevel surgery. Nasal conchae that were causing airway obstruction were removed.

RESULTS

The obstructing parts of the conchae were safely and efficiently removed by LATE, shaping a patent nasal airway in all dogs. The newly developed surgical procedure involved 3 steps: turbinectomy of the (1) concha nasalis ventralis; (2) rostral aberrantly growing turbinates (RAT); and (3) caudal aberrantly growing turbinates (CAT). Complications of the procedure included transient intraoperative hemorrhage in 51 of 158 dogs (32.3%); however, a temporary tamponade was necessary in only 2/158 dogs (1.3%). After 6 months, regrowth of turbinates required resection of possibly re-obstructing tissue in 25/158 dogs (15.8%; 1 Pug and 24 French Bulldogs).

CONCLUSION

LATE is an effective method for creating a patent nasal airway in brachycephalic dogs with intranasal obstruction.

Update on surgical management of adult inferior turbinate hypertrophy

PURPOSE OF REVIEW

There are numerous surgical managements of hypertrophic inferior turbinate. Controversy still exists involving the optimal surgical technique for hypertrophic inferior turbinate. The current review will discuss the most commonly used techniques for turbinate surgery and highlight their recently published clinical outcomes.

RECENT FINDINGS

Microdebrider-assisted turbinoplasty, along with total removal of inferior turbinate mucosa, turned out to have no negative impact on healing time and no adverse postoperative events. The majority of recently published studies were focused on surgical outcomes of radiofrequency ablation. It appears that radiofrequency ablation could improve nasal resistance, sense of smell, and nasal mucociliary function. A 1470-nm diode laser was found superior to a conventional 940-nm diode laser in reducing scar formation. Ultrasonic bone aspirator was used to manage hypertrophic inferior turbinate caused by bone enlargement. Few recent literatures report turbinectomy.

SUMMARY

Inferior turbinate surgery offers benefit and improves nasal obstruction in patients with hypertrophic inferior turbinate refractory to medical treatment. Rigorously designed study including subjective and objective measurements, control or comparison group, and long-term follow-up should be carried out in the future.

Characteristics of Human Turbinate-Derived Mesenchymal Stem Cells Are Not Affected by Allergic Condition of Donor

The characteristics of mesenchymal stem cells (MSCs) derived from human turbinates (hTMSCs) have not been investigated in allergic rhinitis. We evaluated the influence of allergic state of the donor on the characteristics, proliferation, and differentiation potential of hTMSCs, compared with hTMSCs derived from non-allergic patients. hTMSCs were isolated from five non-allergic and five allergic patients. The expression of toll-like receptors (TLRs) in hTMSCs was measured by FACS, and cell proliferation was measured using a cell counting kit. Cytokine secretion was analyzed using multiplex immunoassays. The osteogenic, chondrogenic, and adipogenic differentiation potentials of hTMSCs were evaluated by histology and gene expression analysis. In allergic patients, FACS analysis showed that TLR3 and TLR4 were more highly expressed on the surface of hTMSCs than TLR2 and TLR5. The proliferation of hTMSCs was not influenced by the presence of TLR priming. The expression of IL-6, IL-8, IL-12, IP-10, and RANTES was upregulated after the TLR4 priming. The differentiation potential of hTMSCs was not influenced by TLR priming. These characteristics of hTMSCs were similar to those of hTMSCs from non-allergic patients. We conclude that the allergic condition of the donor does not influence TLR expression, proliferation, or immunomodulatory potential of hTMSCs.

The clinical efficacy of surgical interventions for empty nose syndrome: A systematic review

OBJECTIVE

To evaluate the outcomes of surgical intervention for empty nose syndrome (ENS).

DATA SOURCE

Cochrane Collaboration database, U.S National Institutes of Health database (ClinicalTrials), U.S National Library of Medicine (PubMed).

REVIEW METHODS

Structured search using medical subject-heading terms: nose, turbinate, surgery, atrophic rhinitis, and empty nose syndrome.

RESULTS

A total of 128 patients were collated from eight studies with an age range of 18 to 64 years. Most patients had been suffering with ENS for many years, up to 29.7 years. The most common surgical technique involved a transnasal approach with implant material secured within a submucosal pocket. Common implant material used in the studies included biosynthetic, and autologous cartilage. The weighted mean preoperative Sino-Nasal Outcome Test (SNOT)-20 and SNOT-25 scores were 48.3 and 65.9, respectively. At latest follow-up, these scores improved significantly to 24.4 and 33.3, respectively. Although all SNOT subdomains improved following surgery, the highest improvement was observed in ENS symptoms and psychological issues. SNOT scores improved by 3 months postsurgery and this trend continued over time, although available data was limited to only 12 months follow-up. Nevertheless, 10 patients had less than 10 points improvement, including three patients who had no change in SNOT scores. Extrusion of the implant occurred in six cases, and one developed chronic rhinosinusitis.

CONCLUSION

Surgical intervention for ENS appears to result in clinical improvement, although not all patients derived benefit. Long-term follow-up should be considered utilizing using both subjective (SNOT-25) and objective (rhinomanometry) measures of clinical outcome.

Inferior turbinoplasty during cosmetic rhinoplasty: techniques and trends

BACKGROUND

The sheer number of accepted inferior turbinoplasty techniques emphasizes the fact that there is no general agreement on which approach yields optimal results, nor are there data available that describes prevalent techniques in turbinate surgery among plastic surgeons.

OBJECTIVE

The aim of this study was to identify practice patterns among plastic surgeons who perform inferior turbinoplasty during rhinoplasty.

METHODS

Members of the American Society of Plastic Surgeons were invited to participate in an anonymous, Internet-based survey containing questions related to personal preferences and outcomes in inferior turbinate surgery.

RESULTS

A total of 534 members of the American Society of Plastic Surgeons participated in the survey. Most (71.7%) trained in an independent plastic surgery program with prerequisite training in general surgery. More than half (50.6%) had more than 20 years of operative experience; only 15.2% reported performing greater than 40 rhinoplasties per year. The 5 most preferred inferior turbinate reduction techniques were outfracture of the turbinates (49.1%), partial turbinectomy (33.3%), submucous reduction via electrocautery (25.3%), submucous resection (23.6%), and electrocautery (22.5%). Fewer than 10% of the respondents reported the use of newer techniques such as radiofrequency thermal ablation (5.6%), use of the microdebrider (2.2%), laser cautery (1.1%), or cryosurgery (0.6%). Mucosal crusting and desiccation were the most frequently reported complications.

CONCLUSIONS

The results of this survey provide insights into the current preferences in inferior turbinate reduction surgery. Plastic surgeons are performing more conventional methods of turbinate reduction rather than taking advantage of the many of the more novel technology-driven methods.

Inside the brachycephalic nose: intranasal mucosal contact points

The purpose of this study was to evaluate the prevalence of intranasal mucosal contact points in brachycephalic and normocephalic dogs. In total, 82 brachycephalic dogs (42 pugs and 40 French bulldogs) were evaluated by rhinoscopy for their intranasal mucosal contact and 25 normocephalic dogs were evaluated as a control group. Of those, 162 brachycephalic nasal cavities were evaluable and 140 had contact between intranasal structures (87%). Intraconchal and septoconchal mucosal contact points were the most commonly detected sites of contact. French bulldogs had a significantly higher prevalence of mucosal contact and had 3 mean contact points compared with 1.7 mean contact points per nasal cavity in pugs. Septal deviations were present in 62% of brachycephalic dogs. In the control group, mucosal contact points were present in only 7 of 50 nasal cavities (14%), and septal deviations occurred in 16% of those cases. Contact point average was 0.1 in large and 0.3 in small normocephalic dogs. Intranasal mucosal contact was identified as a common and previously unreported problem in brachycephalic dogs. Numerous contact points reduce the lumen of the intranasal passageways and indicate potential intranasal obstruction. Affected dogs might benefit from removal of obstructing conchae, potentially using laser-assisted turbinectomy.

EMLA(®) cream as local anesthetic for radiofrequency turbinate tissue reduction

Radiofrequency volumetric tissue reduction is a minimally invasive technique in the treatment of turbinate hypertrophy and is generally performed under local anesthesia. However, perioperative discomfort and pain are common side effects and studies concerning the technique of choice to anesthetize the nasal mucosa in this procedure are lacking. The aim of this prospective controlled trial is to assess the effectiveness of EMLA(®) cream as a topical anesthetic for radiofrequency volumetric tissue reduction of inferior turbinates comparing its effect with that obtained using a traditional anesthetic technique. 200 consecutive patients undergoing volumetric tissue reduction with topical anesthesia were enrolled. Patients were divided into two groups: Group A included 100 patients treated by placing cotton pledgets soaked with lidocaine 10% in the inferior meatus followed by the injection of 2% lidocaine into the head of the inferior turbinate; Group B included 100 patients treated with EMLA(®) cream. Patients were evaluated before and after surgery using rhinomanometry for obstructive symptoms. Four VAS about pain, troublesome swallowing, choking sensation and intraoperative anxiety were submitted to each patient immediately after surgery and after 2 months to assess various aspects of perioperative discomfort. A significant increase of nasal airflow was observed without differences between the two groups. Subjective evaluation regarding perioperative discomfort showed significant differences between Groups A and B immediately after surgery although it was less pronounced 2 months later. The results of this study suggest that EMLA(®) cream is an efficient tool in obtaining an adequate anesthetic effect in this procedure.

Prediction of outcome of radiofrequency ablation of the inferior turbinates

BACKGROUND

Radiofrequency ablation (RFA) of the turbinates is used commonly for nasal obstruction; however, there is no consensus on patient selection for this surgery.

METHODS

In a prospective clinical study, 53 adult subjects with bilateral turbinate hypertrophy were evaluated subjectively and objectively with anterior rhinomanometry at baseline and at 1, 3, and 6 months post-RFA of turbinates.

RESULTS

RFA of the turbinates resulted in a significant decrease in predecongestant and postdecongestant visual analogue scale (VAS) scores and resistance measurements at postoperative months 1, 3, and 6 (p < 0.001 for all). Preoperative baseline subjective response to the decongestant showed a positive correlation with postoperative first month subjective and objective outcome (p < 0.05). Preoperative baseline objective response to the decongestant showed a highly significant correlation with postoperative 1-month, 3-month, and 6-month objective outcomes of surgery (p < 0.05 for all).

CONCLUSION

Objective measures do not correlate with long-term subjective satisfaction even when the nose is objectively patent in subjects who underwent inferior turbinate RFA. The patients' long-term subjective benefit from RFA surgery cannot be estimated after a rhinomanometry with topical decongestion is performed. Performing a rhinomanometry with topical decongestion may help only to estimate the patients' objective benefit from RFA surgery.

The potential role of hyaluronic acid in postoperative radiofrequency surgery for chronic inferior turbinate hypertrophy

BACKGROUND

We prospectively evaluated the efficacy of hyaluronic acid (HA) as an adjuvant treatment to hasten the improvement of nasal respiration and to minimize patients' discomfort in the postoperative radiofrequency volumetric tissue reduction (RFVTR) of inferior turbinates.

METHODS

We enrolled 57 patients randomly assigned into two groups, HA (22 patients) and saline group (35 patients), which received isotonic saline nasal irrigation. We used the monopolar device somnoplasty for all patients. Visual analogic scale (VAS) and nasal endoscopy were used to assess the outcomes of the treatments during the 1st month of follow-up.

RESULTS

The mean VAS score of the HA group at the 1st week was significantly lower than the control group (3.36 ± 1.89 versus 6.95 ± 1.52; p < 0.05). The VAS score remained significantly lower in the HA group also at the 2nd week (3.43 ± 1.27 versus 5.75±1.39; p < 0.05), becoming similar to the control group at the 4th week (p = ns). Since the first visit the HA group also showed significantly lower crust score than the saline group (p < 0.05), and there was no crust found in either group at the last visit. The compliance to treatment was similar in both groups.

CONCLUSION

The results of this prospective study suggest a role of HA as a supportive treatment for faster improvement of nasal respiration, also minimizing patients' discomfort in postoperative nasal surgery, promoting nasal mucosa healing in postoperative RFVTR for inferior turbinate hypertrophy.

The role of nasal cytology in the management of inferior turbinate hypertrophy

Inferior turbinate hypertrophy (ITH) is the main cause of nasal obstruction symptom. This study aimed at investigating whether a particular cellular pattern could be a predictive factor for failure of medical treatment for ITH in patients with rhinitis. Globally, 258 patients with chronic nasal obstruction due to ITH were evaluated by: visual analogue scale assessment of symptoms, skin prick tests, fiber-endoscopy, active anterior rhinomanometry, and nasal cytology. All patients were treated with drugs for 3 months and then re-evaluated. The symptom improvement depended on the different cellular pattern. There was improvement in: 54 (51.4 percent) patients with allergic rhinitis, 72 (69.2 percent) with non-allergic rhinitis with neutrophils (NARNE), 15 (42.8 percent) with non-allergic rhinitis with eosinophils (NARES), and 9 (64.3 percent) with non-allergic rhinitis with mast cells/non-allergic rhinitis with eosinophils and mast cells (NARMA/NARESMA). The non-responders (108; 41.9 percent) were therefore directed towards surgical treatment. Both patients with allergic rhinitis and patients affected by NARES had a higher failure rate to medical treatment compared with NARMA and NARESMA groups (pless than0.01). In conclusion, elevated number of eosinophils, in the nasal secretion of both allergic (allergic rhinitis) and non-allergic (NARES) patients with ITH, can be associated to a higher medical treatment failure rate.

Effect of turbinate surgery in rhinoseptoplasty on quality-of-life and acoustic rhinometry outcomes: a randomized clinical trial

OBJECTIVES/HYPOTHESIS

To evaluate the role of inferior turbinate reduction during rhinoseptoplasty in quality-of-life outcomes and nasal airway cross-sectional area.

STUDY DESIGN

Randomized clinical trial.

METHODS

Individuals over 16 years with nasal obstruction, candidates to functional and aesthetics primary rhinoseptoplasty, were evaluated from December 2010 though January 2012 at a tertiary University Hospital, Brazil. Eligible participants were randomly allocated to rhinoseptoplasty with or inferior turbinate reduction through submucosal diathermy.

OUTCOMES

Relative changes ([postop-preop]/preop score) in specific (Nasal Obstruction Symptom Evaluation; NOSE) and general quality-of-life instruments (WHOQOL-bref), nasal obstruction visual analogue scale (NO-VAS) and nasal area measurements in acoustic rhinometry. OUTCOMES were blindly assessed 3 months postoperatively. Protocol was registered at ClinicalTrials.gov (NCT01457638).

RESULTS

50 patients were included, mainly Caucasians with moderate/severe allergic rhinitis symptoms. Mean age was 32 ± 12 yr and 58% were female. Rhinoseptoplasty improved specific and general quality-of-life scores irrespective of turbinate intervention (P < 0.001).There was no difference between subjects submitted or not to inferior turbinate reduction in NOSE score (-75% vs. -73%; P = 0.893); all WHOQOL-bref score domains (P > 0.05), NO-VAS (-88% vs. -81%; P = 0.89) and acoustic rhinometry recordings (P > 0.05).During follow-up less patients in the rhinoplasty with inferior turbinate reduction group were using topical corticosteroids (6[24%] vs. 13[54%]; P = 0.03). Multivariable analyses, adjusting for postoperative topical corticosteroid use and previous nasal fracture, had no effect on these results.

CONCLUSIONS

Turbinate reduction through submucosal diathermy during primary rhinoseptoplasty did not improve short-term general and specific quality-of-life outcomes and acoustic rhinometry recordings. The role of turbinate reduction in sparing chronic corticosteroid use should be confirmed in long-term follow-up studies.

Aerodynamic characteristics inside the rhino-sinonasal cavity after functional endoscopic sinus surgery

BACKGROUND

The aim of this study was to evaluate effects of functional endoscopic sinus surgery (FESS) on transient nasal aerodynamic flow patterns using computational fluid dynamics (CFD) simulations.

METHODS

A three-dimensional model of the nasal cavity was constructed from CT scans of a patient with FESS interventions on the right side of the nasal cavity. CFD simulations were then performed for unsteady aerodynamic flow modeling inside the nasal cavity as well as the sinuses.

RESULTS

Comparisons of the local velocity magnitude and streamline distributions inside the left and right nasal cavity and maxillary sinus regions were presented. Because of the FESS procedures in the right nasal cavity, existences and distributions of local circulations (vortexes) were found to be significantly different for the same nasal airflow rate but at different acceleration, deceleration, or quiet phases in the maxillary sinus region on the FESS side. Because of inertia effects, local internal airflow with circulation existences was continuous throughout the whole respiration cycle. With a larger peak inspiration flow rate, the airflow intensity inside the enlarged maxillary sinus increased significantly. Possible outcomes on functional performances of the nose were also examined and discussed.

CONCLUSION

Surgical enlargements of natural ostium of the maxillary sinus will change the aerodynamic patterns inside the main nasal cavity and maxillary sinus regions, which may affect normal nasal physiological functions. Local inertia effects play more important roles for the internal nasal airflow pattern changes and thus such conventional FESS procedures should be carefully planned.

Radiofrequency volumetric tissue reduction of the inferior turbinate in a sheep model

OBJECTIVES/HYPOTHESIS

To validate the sheep model for endoscopic nasal surgery, and to utilize this model to compare the immediate and early postoperative histopathologic effects of four electrosurgical turbinate reduction techniques.

STUDY DESIGN

Pilot comparative study of electrosurgical devices for inferior turbinate reduction using a sheep model.

METHODS

Three radiofrequency devices (one monopolar and two bipolar) were compared to monopolar electrosurgery in a sheep model of inferior turbinate reduction. Procedures were performed according to device manufacturer guidelines using standard endoscopic instruments. Normative acoustic rhinometry data were obtained for the sheep model. Histopathologic analysis of turbinate specimens was performed at postoperative day 0 and 21.

RESULTS

Turbinate reduction was performed on seven sheep, one procedure on each side, yielding 14 turbinate specimens. Acoustic rhinometry was validated in the sheep model and demonstrated increased nasal volumes following decongestion and turbinate reduction. Submucosal destruction of glands and venous sinusoids and replacement with fibrosis were demonstrated as a common mechanism of action for all four electrosurgical devices. Epithelial disruption was seen with all devices on postoperative day 0. Squamous metaplasia and normal respiratory epithelial regeneration were documented variably between devices at postoperative day 21.

CONCLUSIONS

The sheep model is useful for study of both the anatomic and histopathologic effects of endonasal procedures. Standard endoscopic instruments and acoustic rhinometry can be used in this model with reproducible results. In this pilot animal study, radiofrequency devices for inferior turbinate reduction demonstrated greater preservation of normal nasal mucosal respiratory epithelium when compared to monopolar electrosurgery.

Long-term follow-up of children after submucosal diathermy to the inferior turbinate for rhinitis

BACKGROUND

There is currently poor evidence base to support turbinate surgery in children. Submucosal diathermy (SMD) is a day case procedure offered to children who have refractory rhinitis. There is currently no well-defined population who will benefit from this procedure. The Glasgow Children's Benefit Inventory (GCBI) is a validated questionnaire that can be used to assess benefit following an intervention.

METHODS

In September 2009, questionnaires were sent by post to the parents of 70 children who underwent SMD between 2003 and 2006. If no response was received, an attempt to contact the parents by telephone was made. These questionnaires were then analysed to ascertain benefit scores.

RESULTS

Returned questionnaires were received for 47 children (68%). 70% (33) felt that this had been a worthwhile procedure. Residual nasal symptoms were recorded, of which rhinorrhea was the most frequent (30, 64%), followed by nasal blockage (28, 60%). Of these children, 23 had a positive radio-allergosorbent test (RAST) and 21 were negative. Overall the median GCBI for children receiving SMD was 19.5. This was elevated in the RAST positive group (median score 27) and lower for the RAST negative group (median score 14).

CONCLUSION

This study highlights some benefit to inferior turbinate study in children by using the GCBI. Improved benefit was not demonstrated significantly in older or younger children or in RAST positive or negative children. Further studies, by means of a randomised controlled trial are required to provide a better level of evidence for this procedure.