Narantsolmon, Gan-Erdene
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Товч нэр
Narantsolmon, Gan-Erdene
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Narantsolmon Gan-Erdene
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Narantsolmon Gan-Erdene
Албан тушаал
Судлаач
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Item type:Publication, Outcomes of Endoscopic Sinus Surgery of Adult Chronic Rhinosinusitis in First Central Hospital of Mongolia(Mongolian National University of Medical Sciences, 2022-09-30); ; ; Ulzii-Orshikh NamkhaiObjective: Evaluate the outcome of endoscopic sinus surgery among chronic rhinosinusitis (CRS) patients and assess the quality of life. Methods: 200 CRS patients aged between 17 to 73 who were operated endoscopic sinus surgery at the Otorhinolaryngology department of First Central Hospital between November 2019 and November 2020, were involved in this study. Subjects were divided into 2 groups: 1) CRS with nasal polyp; 2) CRS without nasal polyp. CT changes were evaluated according to Lund-Mackay, Hoover score, and Hounsfield unit before and after surgery. Results: Of the total subjects analyzed, 56 % were male and 44 % were female. The average age of subjects was 38.4 ± 13.9. The tissue radiodensity of the maxillary sinus decreased in both groups significantly. The mean value of 21.3 ± 6.9 HU preoperatively dropped to 13.5 ± 3.9 HU postoperative in the CRSsNP group, while the CRSwNP group had similar results. The preoperative mean value of 20.3 ± 3.9 HU declined to 12.0 ± 2.2 HU after the procedure. For assessment of paranasal sinus mucosal thickness, the mean value of preoperative imaging study in the CRSsNP group measured as 5.5 ± 1.7mm, and then it reduced by 3.8mm to reach 1.7 ± 1.4 mm after the surgery (p < 0.000). Consequently, the CRSwNP group shows similar outcomes such as the preoperative mean value assessed with a thickness of 5.8 ± 1.4 mm, declined by 4.4 mm and reached an almost normal mucosal thickness of 1.5 ± 1.0 mm after the procedure (p < 0.000). Conclusion: ESS for CRS is effective according to the evaluation of the Lund-Mackay, Hoover, and Hounsfield unit, and it was statistically significant (p < 0.000). - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Paranasal Sinuses Anatomic Variants and its Association with Chronic Rhinosinusitis in Mongolia(Mongolian National University of Medical Sciences, 2022-12-29); ; ; ; Ganchimeg PalamdorjObjective: The aim of this study was to obtain the prevalence of nasosinus anatomic variations in a Mongolian population and to understand their importance and impact on the disease process, as well as their influence on surgical management and outcome. Methods: This study is a prospective review of retrospectively performed normal computed tomography (CT) scans of the nose and paranasal sinuses in the adult Mongolian population. Results: Of all CT scans that were reviewed, 53.7 % were of women patients and 46.3 % were of men patients. The mean age of the study sample was 45.6 ± 16.3 years. The most common anatomic variation after excluding Agger nasi cell was pneumatized crista galli, which was seen in 98.8 % of the scans. Anatomic variants with a potential impact on operative safety included Haller cell (13.3 %), concha bullosa (20.5 %), and paradoxical middle turbinate (27.3 %). In our study, we compared the measurements between the anterior ethmoid artery and adjacent anatomical structures in two groups. Conclusions: A wide range of regional differences in the prevalence of each anatomic variation exists. Understanding the preoperative CT scan is substantially important because it is the road map for the sinus surgeon. Detection of anatomic variations is vital for surgical planning and prevention of complications.