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Objective: Bronchiectasis can have several causes, but there are only a limited number of studies about the prevalence of these causes. Most of the studies in adults are from previous years. This study aimed to identify etiologies in adult patients with bronchiectasis., Material and Methods: Between January 1996 and June 2015, data from 319 patients admitted to a specialized bronchiectasis clinic were analyzed. Diagnoses were confirmed using high-resolution or multislice computed tomography and were retrospectively evaluated., Results: Of the 319 patients, 187 (58.6%) were women and 132 (41.4%) were men. The mean age was 49.0±17.4 (range 15-83) years. The mean duration of illness was 19.5±14.9 years. There were several common etiologies: (1) post-infections (215; 67.5%, 70 of the 215 patients had tuberculosis); (2) obstructive lung diseases (28, 8.8%); (3) defects in mucociliary clearance (13, 4.2%); (4) connective tissue diseases (8, 2.4%); (5) immunodeficiency (5, 1.5%); (6) structural lung conditions (1, 0.3%); and (7) obstruction of a single bronchus (1, 0.3%). No causes could be established in 41 (12.9%) patients., Conclusion: Despite developments in antibiotic therapy and vaccination programs, the most common etiology for bronchiectasis is post-infectious conditions as observed in previous years. However, with improvements in diagnostic tests and procedures, the rate of unknown etiologies has dropped from ≥50% to 12.9%.

It has been more than 3 months now since the first case of COVID-19 was reported in Turkey. Globally, the number of confirmed cases and deaths reached 9,653,048 and 491,128 respectively, as reported by 216 countries by June 27, 2020. Turkey had 1,396 new cases, 194,511 total cases, and 5,065 deaths by the same date. From the first case until today, the Turkish Thoracic Society (TTS) has been very proactive in educating doctors, increasing public awareness, undertaking academic studies, and assisting with public health policies. In the present report, social, academic, and management perspectives of the pandemic are presented under appropriate subtitles. During this critical public health crisis, TTS has once again demonstrated its readiness and constructive stance by supporting public health, healthcare workers, and the environment. This review summarizes the perspective of TTS on each aspect of the COVID-19 pandemic and casts light on its contributions.

Objectives: The aim of this study is to evaluate the approaches of Turkish pulmonologists to the diagnosis and treatment of idiopathic pulmonary fibrosis (IPF) in daily clinical practice., Materials and Methods: A questionnaire containing 38 questions about the IPF diagnosis and treatment was given to pulmonologists between January 22 and 29, 2018, and the data of 158 physicians who responded to the questionnaire were evaluated., Results: This survey showed that the mean number of patients that physicians followed up and managed annually was 8.3 and 5, respectively. The mean symptom duration before the diagnosis was 9-12 months. Patients were seen on average by three physicians prior to confirmed diagnosis. Almost 80% of the physicians have an opportunity to access a pathologist and radiologist specialized in IPF. However, only 26% of them have an opportunity to access regular multidisciplinary meetings. Although antifibrotics were the most commonly prescribed drugs, approximately 10% of patients were prescribed steroids, N-acetylcysteine, and immunosuppressants. Most of the physicians (81%) were aware of international guidelines; however, the Turkish Thoracic Society IPF Diagnosis and Treatment Consensus Report was read by only 41% of them., Conclusion: This survey may lead to the IPF awareness in Turkey, and it may help to close the gaps regarding the diagnosis and treatment.

Introduction: Understanding the difference of elderly asthma is essential to provide better healthcare for this vulnerable population. The aim of this study was to evaluate the differences between young and elderly asthma patients., Materials and Methods: This real-life study was designed as a cross-sectional analysis. All data collected with structured web based asthma program. In sum, 373 (89.9%) young asthma (YA, age < 65) and 42 (10.1%) elderly asthma (EA, age < 65) patients followed at least one year and compared statistically., Result: Cough is found higher in EA (p< 0.01) despite lower smoking rate in EA (p< 0.001). Allergic rhinitis and allergic conjunctivitis were more common in YA (p< 0.05, p< 0.01) which is consistent with higher allergy rate in YA (p< 0.05). On the other hand, diabetes and hypertension were determined significantly higher in EA (p< 0.01, p< 0.01). 52.4% of EA patients were found to have low diffusion capacity (DLCO < 80%). Although EA patients use combined therapies with inhaled corticosteroids and long acting beta agonists more than YA patients (p< 0.01), both emergency room visit (ERV) and hospitalization ratios are founded significantly higher in EA (p< 0.001, p< 0.001)., Conclusions: EA patients were presented with cough in general. They possess an increased risk of hypertension, diabetes and low levels of diffusion capacity. ERV and hospitalization ratios have founded higher despite higher usage of combined therapies.

Sarcoidosis is an idiopathic granulomatous disease. It usually affects the lung. The diagnosis may be problematic since the known causes of granulomatous inflammation must be excluded. This multicenter study aimed to evaluate the clinical presentations and diagnostic approaches of sarcoidosis. The study protocol was sent via internet, and the participants were asked to send the information (clinical, radiological and diagnostic) on newly diagnosed sarcoidosis cases. 293 patients were enrolled within two years. Pulmonary symptoms were found in 73.3% of the patients, and cough was the most common one (53.2%), followed by dyspnea (40.3%). Constitutional symptoms were occured in half of the patients. The most common one was fatigue (38.6%). The most common physical sign was eritema nodosum (17.1%). The most common chest radiograhical sign was bilateral hilar lymphadenomegaly (78.8%). Staging according to chest X-ray has revealed that most of the patients were in Stage I and Stage II (51.9% and 31.7%, respectively). Sarcoidosis was confirmed histopathologically in 265 (90.4%) patients. Although one-third of the bronchoscopy was revealed normal, mucosal hyperemi (19.8%) and external compression of the bronchial wall (16.8%) were common abnormal findings. The 100% success rate was obtained in mediastinoscopy among the frequently used sampling methods. Transbronchial biopsy was the most frequently used method with 48.8% success rate. Considering sarcoidosis with its most common and also rare findings in the differential diagnosis, organizing the related procedures according to the possibly effected areas, and the expertise of the team would favour multimodality diagnosis.

Systemic sclerosis (SSc) is an autoimmune disease characterized by inflammation and fibrosis of the skin and visceral organs. Fibrosis associated with SSc is characterized by an increased synthesis of a wide range of extracellular matrix (ECM). TGF-beta is a pluripotent cytokine in a wide range of cell types. In particular it has been found to be a potent inducer of ECM protein synthesis and fibroblast migration. The TGF-beta1 gene is highly polymorphic and two signal sequence polymorphisms at codon 10 and codon 25 are linked to disease outcomes. In this study, we analysed two polymorphic sites of the TGF-beta1 gene, codon 10 and codon 25, in 43 Turkish SSc female patients with interstitial lung involvement and in 75 healty individuals by ARMS-PCR. In our study no significant difference was found in codon 10, codon 25 genotype frequencies between patient with SSc and the control group (p = 0.676, 0.375, respectively). Our findings suggest that codon 10 and 25 polymorphism cannot be related with SSc for Turkish population., (2010 John Wiley & Sons, Ltd.)

Lyme disease which is caused by the spirochete Borrelia burgdorferi, is a multisystemic disease that involves skin, joints, cardiovascular and central nervous system, leading to chronic inflammatory response and late complications. First lyme cases have been reported after 1990's in Turkey and the spirochete was isolated from the tick vectors. In this case series three human Lyme cases confirmed with not only serological tests but also growth in Barbour-Stoenner-Kelly medium were presented for the first time in Turkey. Two of these three cases were residents in Istanbul while the third one has acquired the infection in USA (imported case). First case was a previously healthy 46 years old male, admitted to the state hospital with the complaints of diarrheae, chills, nausea, vomiting, cough, sputum production and widespread myalgias. The patient was a chronic alcohol consumer with a history of frequent visits to the forest areas. The laboratory test results revealed hepatonephritis-like clinical picture and pulmonary involvement. Leptospira IgM and Borrelia IgM antibodies were detected in the serum by ELISA and both of the agents were isolated in the blood cultures of the patient. This case was then diagnosed as Lyme disease with leptospirosis co-infection. The second case was a 32 years old female who suffered from Bell's palsy for the last 15 days. Cranial magnetic resonance imaging showed a nodular lesion at globus pallidus. Since the patient had a history of tick-bite, further testing was done for Lyme disease. Borrelia IgM and IgG antibodies were found negative, however, Borrelia was isolated from the cerebrospinal fluid sample. The third patient was a 68 years old female who had recently travelled to USA and exposed to a tick-bite in a recreational area. She suffered from nausea, vomiting, myalgia and cutaneous lesions compatible with erythema chronicum migrans. Samples taken from the skin lesions revealed growth of Borrelia. As far as the current literature is concerned, these were the first three culture proven cases of Borrelia in Turkey. These three cases supported the presence of Lyme disease in Turkey and indicated that the disease could present itself in various clinical pictures.

Study Objectives: Correct detection of bone metastases in patients with non-small cell lung cancer (NSCLC) is crucial for prognosis and selection of an appropriate treatment regimen. The aim of this study was to investigate the role of whole-body bone scanning (WBBS) and clinical factors in detecting bone metastases in NSCLC., Design and Patients: One hundred twenty-five patients with a diagnosis made between 1998 and 2002 were recruited (squamous cell carcinoma, 54.4%; adenocarcinoma, 32.8%; non-small cell carcinoma, 8.8%; large cell carcinoma, 4%). Clinical factors suggesting bone metastasis (skeletal pain, elevated alkaline phosphatase, hypercalcemia) were evaluated. WBBS was performed in all patients, and additional MRI was ordered in 10 patients because of discordance between clinical factors and WBBS findings., Measurements and Results: Bone metastases were detected in 53% (n = 21) of 39 clinical factor-positive patients, 5.8% (n = 5) of 86 clinical factor-negative patients, and 20.8% of total patients. The existence of bone-specific clinical factors as indicators of metastasis presented 53.8% positive predictive value (PPV), 94.2% negative predictive value (NPV), and 81.6% accuracy. However, the findings of WBBS showed 73.5% PPV, 97.8% NPV, and 91.2% accuracy. Adenocarcinoma was the most common cell type found in patients with bone metastasis (39%). The routine bone scanning prevented two futile thoracotomies (8%) in 25 patients with apparently operable lung cancer., Conclusions: In spite of the high NPV of the bone-specific clinical factors and the high value obtained in the false-positive findings in the bone scan, the present study indicates that in patients for whom surgical therapy is an option, preoperative staging using WBBS can be helpful to avoid misstaging due to asymptomatic bone metastases.

Acute exacerbations, most of which are due to lower respiratory tract infections, cause great morbidity and mortality in patients with chronic obstructive pulmonary disease (COPD) and most of these are due to lower respiratory tract infections. The aim of this study was to determine the causative organism and the effects of azithromycin, ampicillin sulbactam (sultamicillin), ciprofloxacin and cefaclor monohydrate therapy in COPD. One hundred and six patients with COPD in acute exacerbation were randomized into four groups for empiric antibiotic treatment following lung function tests and sputum examination. The most common strains isolated from sputum were Haemophilus influenzae (30.8%), Streptoccocus pneumoniae (12%) and Moraxella catarrhalis (7.7%). Azithromycin, sultamicillin, ciprofloxacin and cefaclor monohydrate were found to be effective in treating COPD exacerbations.