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Vol. 72. Issue 4.
Pages 212-217 (July - August 2021)
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Vol. 72. Issue 4.
Pages 212-217 (July - August 2021)
Original article
Nose sinus manometry in evaluating functional outcomes of anterior and posterior endoscopic dacryocystorhinostomy
Manometría de seno nasal para evaluar los resultados funcionales de la dacriocistorrinostomía endoscópica anterior y posterior
Ernesto Brunoa, Lucrezia Rosellib, Dea Porozajc, Rita De Berardinisb,
Corresponding author

Corresponding author. Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, via Montpellier 1, 00133, Rome, Italy. Phone numbers: +39 0620902925. Facsimile numbers: +39 0620902930.
, Mario Gamerrad
a Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, via Montpellier 1, 00133, Rome, Italy - Catholic University “Our Lady of Good Counsel”, Laprakë, Rruga Dritan Hoxha, Tirana 1000, Albania
b Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, via Montpellier 1, 00133, Rome, Italy
c Department of Biomedicine and Prevention, School of Applied Medical-Surgical Sciences, University of Rome “Tor Vergata”, via Montpellier 1, 00133, Rome, Italy
d ENT Unit, “S. Leonardo” Hospital, Castellammare di Stabia, Italy
Article information
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Figures (4)
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Tables (3)
Table 1. Main characteristics of the two groups of patients enrolled in the study.
Table 2. Assessment of the subjective outcome by means of epiphora presence.
Table 3. Assessment of the objective surgical outcome by means of Functional Endoscopic Dye Test (FEDT).
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The aim of this study is to evaluate the effectiveness of anterior and posterior dacryorhinocystostomy (En-Dcr) by assessing the surgical outcome with a new objective technique, nose sinus manometry.

Materials and methods

Thirty adult patients presenting nasolacrimal duct obstruction were enrolled in this study and randomly divided in two groups. In group A patients underwent anterior endonasal dacryorhinocystostomy, group B underwent the posterior approach. All patients were evaluated through Nose Sinus Manometry, endoscopic dye disappearance functional test (EDFT) and subjective assessment three months post-op. Pearson test and T-student Test were used for evaluations.


The mean differences in the pressure values were significantly different in the two groups of treatment, therefore, the patients of group B had strong improvement in pressure values compared with patients of group A.


This study confirms a relevant physical distinction between posterior En-Dcr outcomes compared to anterior En-Dcr and reveals a significant success rate difference between the two groups of patients. The posterior surgical technique shows better results than the anterior one, by providing an almost physiological post- operative endonasal outcome. These results also showed the effectiveness of Nose Sinus Manometry in assessing the post- operative outcomes after En-Dcr.

Endoscopic Dacryorhinocystostomy
Nose Sinus Manometry
Nasolacrimal Duct Obstruction
Antecedentes y objetivo

El objetivo de este estudio es evaluar la efectividad de la dacriocistorrinostomía anterior y posterior (En-Dcr) mediante la evaluación del resultado quirúrgico con una nueva técnica objetiva, la manometría del seno nasal.

Materiales y métodos

Treinta pacientes adultos que presentaban obstrucción del conducto nasolagrimal se inscribieron en este estudio y se dividieron al azar en dos grupos. En el grupo A, los pacientes se sometieron a dacriocistorrinostomía endonasal anterior, en el grupo B se sometió al abordaje posterior. Todos los pacientes fueron evaluados mediante manometría de seno nasal, prueba EDFT y evaluación subjetiva tres meses después de la operación. Análisis estadístico utilizado: la prueba de Pearson y la prueba t Student se utilizaron para las evaluaciones.


Las diferencias medias en los valores de presión fueron significativamente diferentes en los dos grupos de tratamiento, por lo tanto, los pacientes del grupo B tienen una fuerte mejora en los valores de presión en comparación con los pacientes del grupo A.


Este estudio confirma una distinción física relevante entre los resultados posteriores de En-Dcr, en comparación con los anteriores En-Dcr, y revela una diferencia significativa en la tasa de éxito entre los dos grupos de pacientes. La técnica quirúrgica posterior muestra mejores resultados que la anterior, al proporcionar un resultado endonasal postoperatorio casi fisiológico. Estos resultados también mostraron la efectividad de la manometría de seno nasal para evaluar los resultados postoperatorios después de En-Dcr.

Palabras clave:
Dacriocistorrinostomía endoscópica
Manometría del seno nasal
Obstrucción del conducto nasolagrimal


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