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Background: Chronic obstructive pulmonary disease (COPD) is manifested mainly as two main clinical phenotypes chronic bronchitis and emphysema. It is characterized by the presence of poorly reversible airflow obstruction; the presence of other histopathological changes may contribute to the poor response to treatment in many patients. Aim of study: To detect additional changes that involves the lung tissue such as interstitial lung fibrosis in COPD patient. Patients and Methods: This cross-sectional study was carried out on ( 16) male patients diagnosed with COPD. All patients were during the stable state, and investigated by spirometry and HRCT. Results: Eight patients had emphysema, four had emphysema and lung fibrosis, two had traction bronchiectasis, one with apical fibrosis and another with possible lung neoplasm, four patients (out of seven) who had obstructive and restrictive pattern on spirometry had interstitial changes compared to two (out of nine of those with obstructive pattern only. Conclusions and Recommendations: HRCT scan is an important diagnostic tool to detect other pulmonary changes that can occur in patients with COPD. Larger studies are needed and obtaining histopathological assessment for these patients.

Introduction: Asthma is a syndrome characterized by air flow obstruction that varies markedly spontaneously and with treatment, adding singulair treatment to handle symptoms in mild to moderate asthma may help improving symptoms in some patients. Patients & method: Singulair was prescribed for 4 weeks to treat 30 adult patients, aged 15-60 years with mild to moderate persistent asthma Results: After 4 weeks of singulair treatment good results were obtained with much improvement of nocturnal wakening, early morning wakening and exercise tolerance as well as PFT. Conclusion:The drug is effective and well tolerated by asthmatic patients.

Chronic obstructive pulmonary disease (COPD), a group of diseases of distinct aetio-pathological consideration with different phenotypic presentations where smoking is the leading cause, all share the ultimate result of airflow limitation. This study aimed to evaluate thyroid function tests (TFT) in patients with COPD. Pulmonary function tests (PFT) were performed for 30 patients with obstructive lung disease and fifteen healthy control individuals. We measured SPO2 to confirm COPD and assess the severity of the disease and assessed TT3, TT4, and TSH using the ELISA test. The values of VC, FVC, and FEV in the first second and PEF, TSH, and SPO2 were lower in the COPD group than in the control group (P-value=0.001). In severe COPD (FEV1<50%), there was a significant reduction in T3 but not T4 or TSH compared to mild-moderate COPD patients. Thyroid dysfunction was observed in patients with COPD pointing to a metabolic response; patients with lower weight indices had a lower TSH and, consequently, T3.

Infection is presumed to have a rule in the promotion of asthma exacerbations, and in deterioration of the course of the disease, Chlamydia pneumoniae (C. pneumoniae) is claimed to be a possible cause for these two issues. To assess the positivity and the titer of C. pneumoniae IgG antibodies in relation to the state of asthma and its severity. 61 asthmatic patients aged 15-85 years (mean of 47.10±14.887), and 29 apparently healthy, nonasthmatic age and gender-matched volunteers (control group) were assessed as at Asthma and Allergy Clinic in Al-Sader Medical City in AL-Najaf province, Chlamydia Pneumoniae IgG ELISA Kit was used for the detection of IgG antibody to C. Pneumoniae in human serum to detect chronic infection, and Spirometric test was done, and the best results for FEV1 and PEFR were taken. IgG antichlamydial antibodies were positive in 21 (34.4%) of patients compared to 4 (13.8%) of controls, and the difference was significant with OR=3.281, the seropositivity in acute exacerbation was more than in stable asthmatic, 43.8% vs. 24.1% (P=0.029), seropositivity was nonsignificantly more in moderate and severe asthma as compared with mild asthma, a significant inverse correlation between IgG titer and pulmonary function test parameters (FEV1, PEFR) was observed as the FEV1 & PEFR values decrease with increase IgG titer. Chronic C. pneumoniae infection is common in adult asthmatics and correlated with exacerbations & increased severity and disturbed lung function.