Abstract
Aim:In patients with substernal goitre,more than 50% of thyroid-parenchyma is settling below the sternal notch.The aim of this study to investigate the prevalence of respiratory symptoms and quality of sleep in patients with substernal goitre,Methods:Between January 2012-June 2013, the data files of 13 patients with substernal goitre diagnosis who admitted to polyclinic of Cerrahpasa Medical Faculty Pulmonology Department for pre-operative evaluation are evaluated.All patients had Thoracic CT prove substernal goitre diagnosis. Patients demographic findings, respiratory symptoms and comorbidities were recorded and Pittsburgh sleep quality index was filled for each patient. Statistical analysis was performed by using the SPSS 21.0 statistics program.Results:Of the 13 patients, 8 (61.5%) were female, 5 (38.5%) were male and the mean age was 61.8±10.0 years.12 patients (92.3%) had respiratory symptoms,11 (84.6%) had shortness of breath,4 (30.8%) had hoarseness,3 (23.1%) had cough,2 (15.4%) patients had orthopnea.2 (15.4%) patients had COPD,and 1 (7.7%) had asthma.The mean Pittsburgh sleep quality index was 5.7±4.9 (<5 means, sleep quality is disturbed)

Table 1: Pittsburgh Sleep Quality Index of patients
 mean±SD
Component 1 = Sleep quality1.07±0.86
Component 2= Sleep latency1.15±1.20
Component 3= Sleep duration0.84±1.14
Component 4= Habitual sleep efficiency1.00±1.20
Component 5= Sleep disturbance1.23±0.92
Component 6= Use of sleep medication0.23±0.83
Component 7= Daytime dysfunction0.20±0.50
Total5.7±4.9

Conclusion:The respiratory symptoms are common in patients with substernal goiter,also sleep quality is disturbed in this group of patients.