Revisiting anatomical variants on screening chest radiographs in Indian adolescents: A cross sectional observational pilot study
Journal Title: Medical Journal Armed Forces - Year 2018, Vol 74, Issue 4
Abstract
Background: Knowledge of normal variation and measurements on a chest radiograph is essential to interpret any abnormality. There is paucity of information about normal measurement ranges and variations in young adolescents, particularly from Indian subcontinent. The aim of this study was to analyze certain normal variations on screening chest radiographs of healthy Indian adolescents and the objectives were to measure/assess (1) degree of inspiration, (2) cardiothoracic ratio (CTR), (3) presence of gastric fundic bubble, (4) fundocupolic distance, (5) presence of splenic flexure, (6) difference in height of diaphragmatic domes and (7) effect of inspiration on the CTR. Methods: Digital chest radiographs obtained during routine medical examinations for all consecutive medical graduate aspirants in the year 2016 at a medical college, were analyzed for the above mentioned parameters using DICOM viewing software. Result: A total of 558 chest radiographs were analyzed. The mean age of the subjects was 18.50 (SD = 1.002) (range: 17–22 years). There were 497 (89.1%) male and 61 (10.9%) female. Degree of inspiration was at 5th, 6th, 7th and 8th ribs in 29 (5.1%), 259 (46.4%), 264 (47.3%) and 6 (1%) respectively. Mean maximum transverse cardiac diameter, internal thoracic diameter, CTR were 1153.22 120.01, 2935.24 224.86 and 0.39 0.03 respectively. Females had slightly higher CTR (0.40 0.035) as compared to the males (0.39 0.032) ( p = 0.009). Gastric fundic bubble was visualized in 91% subjects. Mean fundo-cupolic distance was 8.75 8.00. Mean value for difference in the level of two domes of diaphragm was 15.28 5.38. Conclusion: The study highlights normal range of inspiration, CT ratio, fundocupolic distance and diaphragmatic dome level difference on screening chest radiographs in healthy Indian adolescents.
Authors and Affiliations
C. M. Sreedhar
Keywords
Related Articles
- EP ID EP653150
- DOI 10.1016/j.mjafi.2017.07.010
- Views 67
- Downloads 0
Comprehensive assessment in cosmetic rhinoplasty: The use of the Derriford Appearance Scale for evaluation of patients
Background: Rhinoplasty has a tremendous psychosocial impact. A good surgical correction may not guarantee an expected response from the patient. This is due to the fact that there may be associated psychological distres...
Nonpalpable intrauterine device threads: Is it a cause for worry?
Background: Intrauterine contraceptive device is a popular and effective method of contraception. It can be inserted either as an interval procedure or after abortion or delivery. Threads are attached to the vertical lim...
Mortality audit of medical patients at armed forces hospitals
The mortality statistics of the medical patients at our tertiary care hospitals are sparse and lacking. We studied the mortality characteristics of the patients admitted to medical wards and intensive care unit at two ho...
Correlation between cerebral co-oximetry (rSO2) and outcomes in traumatic brain injury cases: A prospective, observational study
Background: Traumatic brain injury (TBI) is known to be an important reason for the increase in disabilities and deaths worldwide. Studies have demonstrated that brain tissue oxygen (PO2) monitoring reduces mortality sig...
Publish and flourish: Take the road less travelled!
Scientific research and publications are essential for advancement of medical knowledge. The perceived need for 'publications' in medical journals, has increased substantially in view of the recently mandated requirement...