A Study of the Nasal Cavity with Chronic Rhinosinusitis

2020 ◽  
Vol 10 (2) ◽  
pp. 29-32
Author(s):  
Arulanantham Zechariah Jebakumar
Keyword(s):  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Bacterial Overgrowth ◽  
Sinus Surgery ◽  
Ciliary Activity ◽  
Vicious Cycle ◽  
Limited Disease ◽  
The Everyday ◽  
Better Than

Clinically “Sinusitis” is described because the condition show up through an inflammatory response of the mucous membrane of the nasal cavity and paranasal sinuses, fluid within the cavity, and / or underlying bone. It is also defined as institution of disorders characterised by using irritation of the mucosa of the nostril and paranasal sinuses lasting for atleast 12 weeks.   Pansinusitis is defined as circumstance wherein irritation of all of the paranasal sinuses takes place, which may be unilateral or bilateral. When one or extra sinuses isn't always worried it's far referred to as restricted disorder. When there's terrific brought infection, it leads to mucosal swelling and apposition, which causes ostial occlusion. This impairs the air flow and drainage of the sinus leading to reduced pO2, multiplied pCO2, improved PH and retained secretions. This environment decreases ciliary motility and bacterial overgrowth ensuing in viscid secretions. Bacterial exotoxins also are launched, further reducing the ciliary activity, resulting in a vicious cycle, which results in sinusitis. Hence, the basic concept in Endoscopic sinus surgical procedure is the upkeep of the everyday ventilation and drainage of sinuses, to help the diseased mucosa to get better and regenerate. There was no specific sex predominance in patients suffering from CRS, Endoscopic sinus surgery improves the quality of life by decreasing the post-operative symptoms score, the post-operative sinonasal outcome in non – atopic patients was better when compared to the atopic associated CRS patients, the post-operative sinonasal outcome in patients with limited disease in the sinuses was better than in patients with pansinusitis.

Development of the Paranasal Sinuses in Children: Implications for Paranasal Sinus Surgery

1993 ◽  
Vol 102 (9) ◽  
pp. 705-711 ◽  
Author(s):  
Gerald Wolf ◽  
Wolfgang Anderhuber ◽  
Frederick Kuhn
Keyword(s):  
Nasal Cavity ◽  
Paranasal Sinus ◽  
Paranasal Sinuses ◽  
Age Groups ◽  
Clinical Importance ◽  
Sinus Surgery ◽  
Clinical Anatomy ◽  
Surgical Interventions ◽  
Stage Of Development ◽  
Paranasal Sinus Surgery

The pediatric nasal cavity and paranasal sinuses, when compared to those in adults, differ not only in size but also in proportion. Knowledge of the unique anatomy and pneumatization of children's sinuses is an important prerequisite to understanding the pathogenesis of sinusitis and its complications. It is also important in evaluation of radiographs and in planning surgical interventions. In order to study the development of the paranasal sinuses in children and relate clinical anatomy to sinus surgery, the sinuses in 102 pediatric skulls and cadaver heads were measured. The results were classified by stage of development into 4 different age groups: newborn and 1 to 4, 4 to 8, and 8 to 12 years. The characteristics of each group and their clinical importance for paranasal sinus surgery are described.

scholarly journals Exhalation Delivery Systems for Application of Intranasal Corticosteroids

2020 ◽  
pp. 014556132098019
Author(s):  
Alexander J. Kovacs ◽  
Nithin D. Adappa ◽  
Edward C. Kuan
Keyword(s):  
Nasal Cavity ◽  
Delivery System ◽  
Paranasal Sinuses ◽  
Safety Data ◽  
Sinus Surgery ◽  
Topical Steroids ◽  
Efficacy And Safety ◽  
Open Label ◽  
Safety And Efficacy ◽  
Patient Reported

Background: Chronic rhinosinusitis (CRS) is a common sinonasal disorder which results in significant inflammation in the nasal cavity and paranasal sinuses. Topical nasal steroids play an important role in the treatment of CRS. Exhalation delivery system with fluticasone (EDS-FLU) utilizes a patient’s forced exhalation to power the delivery of topical steroids to deeper areas of the nasal cavity and paranasal sinuses most affected by CRS. This review focuses on evidence surrounding the safety and efficacy of the EDS-FLU system. Methods: Literature search was conducted of articles investigating the safety and efficacy of EDS-FLU. Relevant efficacy and safety data were examined and summarized from the studies. Results: The efficacy and safety of EDS-FLU in CRS, both with and without polyps, has been established in open-label and placebo-controlled phase 3 trials. There was significant improvement in the cardinal symptoms of CRS and subjective patient-reported outcomes scores. Additionally, there was objective improvement in sinonasal inflammation as measured by polyp grade. Recent studies have also established significant improvement in health status and general quality of life following treatment using EDS-FLU. Emerging data have also examined patients who have previously had endoscopic sinus surgery and on appropriate medical therapy and noted improvement in polyp burden and overall Lund-Kennedy scores after using EDS-FLU. Conclusion: Exhalation delivery system with fluticasone demonstrates significant results in both patient-oriented outcomes and objective measures of sinonasal inflammation in patients with CRS with and without polyps. Further research is needed to investigate the long-term outcomes of EDS-FLU and to compare the effects of EDS-FLU with ESS. Exhalation delivery system with fluticasone provides an additional effective treatment modality for patients suffering from CRS.

Yamik Sinus Catheter in the Topical Treatment of Patients with Acute Rhinosinusitis after Previous Sinus Surgery

2002 ◽  
Vol 16 (6) ◽  
pp. 297-302 ◽  
Author(s):  
Jan Gosepath ◽  
Ulrich Ecke ◽  
Vladimir S. Kozlov ◽  
Wolf J. Mann
Keyword(s):  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Outpatient Clinic ◽  
Topical Treatment ◽  
Initial Treatment ◽  
Clinical Symptoms ◽  
Sinus Surgery ◽  
New Device ◽  
Acute Rhinosinusitis ◽  
Mild Improvement

Background The Yamik sinus catheter was designed as a new device for the topical treatment of rhinosinusitis. It creates intermittent positive and negative intranasal pressure after sealing the ipsilateral nostril and choana with two inflatable cuffs. Affecting the nasal cavity and all paranasal sinuses of one side at a time, it is used to evacuate mucous and secretions as well as and to introduce antiseptic, antibacterial, or antifungal solutions. Methods This study was designed to evaluate the effectiveness of the Yamik catheter in cases of acute purulent rhinosinusitis in patients who previously underwent endonasal sinus surgery for chronic rhinosinusitis. Twenty patients were treated at repeated visits to the outpatient clinic of our institution. At each visit, their clinical symptoms as well as findings on anterior rhinoscopy, nasal endoscopy, and A-mode ultrasound were evaluated. Results Acute disease resolved completely within 10 days of treatment in 17 of the 20 patients. Two patients discontinued treatment after repeated visits, showing only mild improvement. One patient felt uncomfortable during the application of the Yamik catheter and did not continue after the initial treatment. Conclusion Our results suggest that the Yamik catheter may be a helpful device in the topical treatment of acute rhinosinusitis and it appears possibly helpful in patients who suffer from episodes of acute purulent infection after previous sinus surgery.

Neurilemmoma of the Nasal Cavity and Paranasal Sinuses

2021 ◽  
pp. 014556132110079
Author(s):  
Xindi He ◽  
Ying Wang
Keyword(s):  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Benign Tumor ◽  
Postoperative Radiotherapy ◽  
Surgical Excision ◽  
Complete Resection ◽  
Sinus Surgery ◽  
Complete Surgical Excision ◽  
The Mean

Objectives: Neurilemmoma in the nasal cavity and paranasal sinuses is very rare. The study aimed to improve the understanding of neurilemmoma in the nasal cavity and paranasal sinuses. Materials and Methods: The clinical data of 10 patients with neurilemmoma in the nasal cavity and paranasal sinuses treated from January 2014 to June 2019 in our hospital were retrospectively studied. Results: There were 6 females and 4 males patients in our study. The mean age was 49.5 years (range 37-77 years), and the most common clinical symptom was unilateral nasal obstruction. The site of tumor included the nasal cavity, maxillary sinus, ethmoid sinus, and sphenoid sinus. There were 2 cases with malignant neurilemmoma. Nine patients underwent functional endoscopic sinus surgery (FESS); however, 1 patient underwent FESS combined with the lateral rhinotomy for complete resection of the tumor. Two patients with malignant neurilemmoma received postoperative radiotherapy. The mean follow-up was 3.82 years (range 2-7 years). There were no incidences of tumor recurrence during the study period. Conclusions: Neurilemmoma in the nasal cavity and paranasal sinuses is a mainly benign tumor. Complete surgical excision by FESS is the only treatment option for neurilemmoma in the nasal cavity and paranasal sinuses; while malignant neurilemmoma needs postoperative radiotherapy.

scholarly journals Correlation : Anatomical Variations of Nasal Cavity and Paranasal Sinuses and the Quality of Life Based on SNOTT-22 Score

2021 ◽  
Vol 17 (1) ◽  
pp. 49-60
Author(s):  
Rani Rahmawati
Keyword(s):  
Quality Of Life ◽  
Ct Scan ◽  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Anatomical Variation ◽  
Anatomical Variations ◽  
Uncinate Process ◽  
Paranasal Sinuses Ct ◽  
Snot 22

This study aims to determine the correlation between the anatomical variations of nasal cavity and paranasal sinuses and the quality of life based on SNOT-22 score in the patients who underwent paranasal sinuses CT scan. The samples are 36 patients with age ≥ 18 years. The method is Chi Square test / Fisher's test and Spearman’s rho test. The results showed that anatomical variations of the nasal cavity and paranasal sinuses from most of the patients who underwent paranasal sinuses CT scan had septal deviation n = 29, p = 0.007 (p <0.05) and concha bullosa n = 15, p = 0.029 (p <0.05). There was a significant correlation between total anatomical variation and quality of life based on SNOT-22 score in the patients who underwent paranasal sinuses CT scan p = 0.025 (p <0.05). There was no correlation between the anatomical variations of frontal cells, agger nasi cells, ethmoid bulla, uncinate process and haller cells and the quality of life based on SNOT-22 score in the patients who underwent paranasal sinuses CT scan.  

scholarly journals Anatomy of Nasal Cavity and Paranasal Sinuses; Surgical Perspective

2020 ◽  
Vol 63 (5) ◽  
pp. 189-198
Author(s):  
Seung-Kyu Chung
Keyword(s):  
Surgical Treatment ◽  
Medical Treatment ◽  
Nasal Cavity ◽  
Chronic Rhinosinusitis ◽  
Paranasal Sinuses ◽  
Endoscopic Sinus Surgery ◽  
Treatment Method ◽  
Functional Endoscopic Sinus Surgery ◽  
Sinus Surgery

Endoscopic sinus surgery is a treatment method for chronic rhinosinusitis not controlled with medical treatment. It had started with functional endoscopic sinus surgery and the concept of reboot approach was introduced recently. For safe surgical treatment, understanding the anatomy especially personal variations between well-known structures is important. The practical points of surgical concept during endoscopic sinus surgery was suggested.

Use of computational fluid dynamics to study the influence of the uncinate process on nasal airflow

2010 ◽  
Vol 125 (1) ◽  
pp. 30-37 ◽  
Author(s):  
G-X Xiong ◽  
J-M Zhan ◽  
K-J Zuo ◽  
L-W Rong ◽  
J-F Li ◽  
...  
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Endoscopic Sinus Surgery ◽  
Uncinate Process ◽  
Functional Endoscopic Sinus Surgery ◽  
Sinus Surgery ◽  
Nasal Airflow ◽  
Before And After

AbstractBackground:Chronic rhinosinusitis is commonly treated by functional endoscopic sinus surgery involving excision of the uncinate process and opening of the osteomeatal complex.Methods:Computational fluid dynamics were used to compare nasal airflow after two different surgical interventions which involved opening the paranasal sinuses, excising the ethmoid sinus, and excising or preserving the uncinate process, in a cadaveric head model. Cross-sectional computed tomography images were obtained before and after the interventions. Imaging data were used to prepare computer simulations, which were used to assess the airflow characteristics of the nasal cavities and paranasal sinuses during inspiration and expiration, before and after intervention.Results:Significantly larger nasal cavity airflow velocity changes were apparent following the uncinate process excising procedure. Nasal cavity airflow distribution remained relatively unchanged following the uncinate process preserving procedure. There was a significantly greater increase in airflow volume following the uncinate process excising procedure, compared with the uncinate process preserving procedure.Conclusion:Preservation of the uncinate process may significantly reduce the alteration of nasal cavity airflow dynamics occurring after functional endoscopic sinus surgery for chronic rhinosinusitis.

scholarly journals Image-Guided Endoscopic Sinus Surgery with 3D Volumetric Visualization of the Nasal Cavity and Paranasal Sinuses: A Clinical Comparative Study

2021 ◽  
Vol 11 (8) ◽  
pp. 3675
Author(s):  
Sang-Jeong Lee ◽  
Ji-Yong Yoo ◽  
Sung-Keun Yoo ◽  
Ryun Ha ◽  
Dong-Hyuk Lee ◽  
...  
Keyword(s):  
Comparative Study ◽  
Nasal Cavity ◽  
Paranasal Sinuses ◽  
Endoscopic Sinus Surgery ◽  
Sinus Surgery ◽  
Registration Method ◽  
Registration Error ◽  
Image Guided ◽  
System P ◽  
Leave One Out

(1) Background: The purpose of this study was to develop an image-guided endoscopic sinus surgery (IGESS) system, named Medigator®, based on the leave-one-out registration strategy and three-dimensional (3D) volumetric visualization of the nasal cavity and paranasal sinuses. (2) Methods: A phantom was designed and fabricated using a 3D printer. We then performed a phantom-based accuracy evaluation to validate the performance of the developed registration method. We included 11 patients who underwent IGESS for clinical study to compare the performance of the developed IGESS system with that of a commercialized system. (3) Results: The fiducial registration error (FRE) was 0.14 mm, and the target registration error (TRE) was 0.82 ± 0.50 mm by the phantom-based evaluation. As a result of the clinical comparative study, the average registration times were 36.04 ± 4.7 and 89.35 ± 26.1 s for the developed and commercialized systems, respectively (p < 0.05). The image loading time of the developed system was also shorter than that of the commercialized system (p < 0.05). The average accuracy score of the developed system was not significantly different from that of the commercialized system (p > 0.05). (4) Conclusions: The developed system provided an accurate point-to-point registration method based on the leave-one-out strategy. According to the results of the clinical comparative study, we demonstrated that the developed system showed reliable potential for clinical application.

Is Monocular Perception of Depth through the Rigid Endoscope a Disadvantage Compared to Binocular Vision through the Operating Microscope in Paranasal Sinus Surgery?

1998 ◽  
Vol 12 (2) ◽  
pp. 87-92 ◽  
Author(s):  
Abel-Jan Tasman ◽  
Frank Wallner ◽  
Gerold H. Kolling ◽  
Heinz Stammberger
Keyword(s):  
Nasal Cavity ◽  
Paranasal Sinus ◽  
Binocular Vision ◽  
Functional Endoscopic Sinus Surgery ◽  
Sinus Surgery ◽  
Operating Microscope ◽  
Optical Instruments ◽  
Contact Points ◽  
Paranasal Sinus Surgery ◽  
Better Than

Vision through the endoscope is strictly monocular. Perception of depth (stereopsis) during ethmoid surgery through the operating microscope would be expected to be superior due to binocular view. To investigate whether monocularity of the endoscope is a disadvantage in paranasal sinus surgery, we compared stereoacuity in a model of the nasal cavity using a headlamp, an operating microscope, and a 0°-Hopkins-endoscope. Twenty volunteers were asked to touch defined points in a spatial model of the nasal cavity. Due to the configuration of the model, which allowed binocular vision of all contact points with headlamp, performance was significantly better than with optical instruments. Manipulations were performed faster with the endoscope than with the microscope. Under microscopic guidance more faults in point sequence were made than with the endoscope. Various monocular phenomena obviously allow sufficient spatial orientation through the endoscope, so that monocularity of the endoscope appears not to be a disadvantage for quick and safe manipulations during functional endoscopic sinus surgery.

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