The Eurasian journal of medicine · 2020
Sinonasal Anatomical Variations and Primary Acquired Nasolacrimal Duct Obstruction: A Single Centre, Case-Control Investigation.
СтатьяНазвание и аннотация: Перевод в очереди
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Samarei Reza, Samarei Vafa, Aidenloo Naser Samadi, Fateh Nasrin
Аннотация
OBJECTIVE: Primary acquired nasolacrimal duct obstruction (PANDO) is an idiopathic narrowing of the nasolacrimal duct caused by chronic inflammation and consecutive stenosis of the nasal tissue. In the current investigation, we aimed to study the etiopathogenic role of sinonasal anatomical abnormalities and paranasal inflammatory pathologies in PANDO.
MATERIALS AND METHODS: Computed tomography (CT) findings of 459 patients who were diagnosed with unilateral PANDO between April 2009 and March 2017 were compared with that of a control group, which comprised 200 subjects without nasolacrimal duct obstruction who had been referred to the ear nose throat (ENT) clinic with the complaint of vertigo and headache. A radiologist (R. S.) masked to the clinical situation of participants retrospectively examined their CT findings.
RESULTS: The prevalence of deviated nasal septum was found to be strongly associated with PANDO incidence (55.3% on PANDO side of patients vs. 28.3% among controls; p<0.001). Significant increases, albeit of smaller magnitude, were also observed in the relative frequency of Agger nasi cells and maxillary sinusitis on the PANDO side of the subjects (14.6% and 27.0%, respectively) compared to controls (9.5% and 20.6%, respectively) (p=0.023 and p=0.038, respectively). Unilateral PANDO was also found to be robustly associated with an ipsilateral deviated nasal septum (p<0.001). The odds of septal deviation occurrence were 3.037 times (95% Confidence Interval (CI): 2.303-3.990; p<0.001) more on the PANDO than the non-PANDO side of the studied cases.
CONCLUSION: Ipsilaterally deviated nasal septum appears to have a role in the development of unilateral primary acquired obstructive disease of the lacrimal drainage system. The incidence of PANDO might also be affected by Agger nasi cells and maxillary sinusitis. Multicenter studies are essential to further elucidate the interaction between type, severity, extent, and dimensions of different pathologies with nasolacrimal duct obstruction.
MATERIALS AND METHODS: Computed tomography (CT) findings of 459 patients who were diagnosed with unilateral PANDO between April 2009 and March 2017 were compared with that of a control group, which comprised 200 subjects without nasolacrimal duct obstruction who had been referred to the ear nose throat (ENT) clinic with the complaint of vertigo and headache. A radiologist (R. S.) masked to the clinical situation of participants retrospectively examined their CT findings.
RESULTS: The prevalence of deviated nasal septum was found to be strongly associated with PANDO incidence (55.3% on PANDO side of patients vs. 28.3% among controls; p<0.001). Significant increases, albeit of smaller magnitude, were also observed in the relative frequency of Agger nasi cells and maxillary sinusitis on the PANDO side of the subjects (14.6% and 27.0%, respectively) compared to controls (9.5% and 20.6%, respectively) (p=0.023 and p=0.038, respectively). Unilateral PANDO was also found to be robustly associated with an ipsilateral deviated nasal septum (p<0.001). The odds of septal deviation occurrence were 3.037 times (95% Confidence Interval (CI): 2.303-3.990; p<0.001) more on the PANDO than the non-PANDO side of the studied cases.
CONCLUSION: Ipsilaterally deviated nasal septum appears to have a role in the development of unilateral primary acquired obstructive disease of the lacrimal drainage system. The incidence of PANDO might also be affected by Agger nasi cells and maxillary sinusitis. Multicenter studies are essential to further elucidate the interaction between type, severity, extent, and dimensions of different pathologies with nasolacrimal duct obstruction.