| Objective: On the basis of CT-DCG to study on correlation between lacrimal sac and the middle turbinate axilla of patients with CD of heart-spleen damp-heat type in Sichuan area,to clarify the relative positional relationship between the top and bottom of lacrimal sac and the middle turbinate axillary plane,so as to provide reference for the clinical treatment of chronic dacryocystitis.Methods: 191 patients with CD of heart-spleen damp-heat type in Sichuan area were collected,and CT-DCG was performed to analyze the gender,age,diseased eyes,course of disease and other general situations of the patients.CT post-processing technology was used to carry out three-dimensional reconstruction of CT images,and to measure the distance from the top and bottom of the LS to MTAP on the CT image.SPSS 26.0 was used to analyze the data and related factors.Results:1.Female patients are more than male patients and the ratio of male to female is 1:4.03.2.The number of diseased eyes in female was more than that in male and the proportion of diseased eyes in male and female was 1:4.02.3.The age of the patients is from 17 to 79 years old,the average age is 49.23 ± 12.90 years old and the median is 49 years old;The age of the disease is mainly distributed between 40-60 years old,accounting for 53.40%;the age of male patients is 27-77 years old and of female patients is 17-79 years old,the average age of male patients is 49.79 ± 14.46 years old and of female patients is 49.08 ± 12.48 years old,there is no statistically significant difference in the age distribution between male and female patients(P > 0.05).4.The prevalence of monocular disease is 86.91%,while the prevalence of binocular disease is only 13.09%.There is no statistical significance in the distribution of CD of male and female patients(P > 0.05).5.The patients with a course of less than 10 years account for the largest proportion(73.30%);the patients with a course that is between 10 and 20 years take the second place(24.08%);the patients with a course of more than 20 years account for the smallest proportion(2.62%);there is no statistically significant difference in the course of CD between male and female patients(P > 0.05).6.The distance from the top of the LS to the MTAP is 0.00-1.80 cm,with an average of 0.53 ± 0.25cm;the distance from the bottom of the LS to the MTAP is 0.10-2.10 cm,with an average of 0.81 ± 0.37 cm.There is statistically significant difference between the distance from the top of the LS to the MTAP and the distance from the bottom to the LS to the MTAP(P < 0.05).The distance from the bottom to the LS to the MTAP is larger than that from the top of the LS to the MTAP.7.The distance from the top of the LS to the MTAP in male patients is 0.59 ± 0.27 cm,and in female patients is 0.52 ± 0.24 cm,there is no statistically significant difference in the distance from the top of the LS to the MTAP between male and female patients(P > 0.05);The distance from the bottom of the LS to the MTAP in male patients is 0.77 ± 0.34 cm,and in female patients is 0.82 ± 0.37 cm,there is no statistically significant difference in the distance from the bottom of the LS to the MTAP between the male and female patients(P > 0.05);The distance from the top and bottom of the LS to the MTAP both in male and female patients is statistically significant(P < 0.05).The distance from the bottom to the LS to the MTAP is larger than that from the top of the LS to the MTAP of both male and female patients.8.There is no statistically significant difference in the distance from the top of the LS to the MTAP in patients of all age groups(P > 0.05);there is statistically significant difference in the distance from the bottom of the LS to the MTAP in patients between 41-60 years and 61-80 years(P = 0.003 < 0.05);The distance from the bottom of the LS to the MTAP is larger in the patients aged 61-80 years than that in patients aged 61-80 years.There is no statistically significant difference in the distance between the top and the bottom of the LS to the MTAP in patients between 0-20years(P > 0.05),and there is statistically significant difference in the other three age groups(P < 0.05).The distance from the bottom of the LS to the MTAP is larger than that from the top of the LS to the MTAP in patients aged 21-80 years.9.There is no statistically significant difference in the distance from both the top and the bottom of the LS to the MTAP in patients of different diseased eyes(P > 0.05);The distance from the top and bottom of both the right and left the LS to the MTAP is statistically significant(P < 0.05).The distance from the bottom of both the right and left the LS to the MTAP is larger than that from the top of the LS to the MTAP.10.There is no statistically significant difference in the distance from both the top and the bottom of the LS to the MTAP in different courses(P > 0.05);The distance from the top and bottom of the LS to the MTAP is statistically significant in patients with a course of both less than 10 years and between 10 and 20 years(P < 0.05),there is no statistically significant difference of that in patients with a course of more than 20 years(P > 0.05).Conclusions:1.CD is most common in middle-aged and old women.2.The course of CD is usually within 10 years.3.The morbidity of CD of monocular is significantly higher than that of binocular.4.The distance from the bottom of the LS to the MTAP is larger than that from the top of the LS to the MTAP in patients with CD.Most of the LS is located below the MTAP.5.Age and course may be the influencing factors of the distance from the top and bottom of the LS to the MTAP in patients with CD,gender and diseased eye type are not the influencing factors of that. |
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