"The M-APNE score: an objective screening tool for OSA highlighting the area under the inspiratory flow-volume curve".

Background: Polysomnography (PSG) is resource-intensive but remains the gold standard for diagnosing Obstructive Sleep Apnea (OSA). We aimed to develop a screening tool to better allocate resources by identifying individuals at higher risk for OSA, overcoming limitations of current tools that may under-diagnose based on self-reported symptoms.

Methods: A total of 884 patients (490 diagnosed with OSA) were included, which was divided into the training, validation, and test sets.

Sex differences in clinical and polysomnographic features of obstructive sleep apnea: The Turkish sleep apnea database (TURKAPNE) cohort.

Background: Previous reports from relatively small clinical cohorts have suggested that the clinical presentation of obstructive sleep apnea (OSA) differs between men and women.

Objective: We aimed to explore sex differences in clinical and polysomnographic features of OSA in a large nationwide registry.

Methods: Participants from the ongoing Turkish Sleep Apnea Database (TURKAPNE) Study from 34 centers were included in the current analysis.

Prognostic role of pleural fluid SUVpeak value obtained from 18F-FDG PET/CT in patients with malignant pleural effusion.

Purpose: Assessing the prognosis of patients with malignant pleural effusion (MPE) is cruical to manage the treatment. We aimed to investigate the role of pleural fluid SUVpeak value in predicting mortality.

Methods: In our single center, prospective cohort study, we enrolled 158 patients with MPE.

Diagnostic and prognostic values of serum Selenoprotein P and soluble St2 levels in pulmonary embolism.

Aim: Pulmonary Thromboembolism (PTE) occurs as a result of occlusion of one or more of the pulmonary artery branches by thrombus and is an important cause of right heart failure and pulmonary hypertension. Selenoprotein P (SePP) and soluble suppression of tumorigenicity 2 protein (sST2) are two new biomarkers that have previously been the subject of various studies in heart failure. The aim of this study was to determine the diagnostic and prognostic potential of SePP and soluble sST2 levels in patients with acute PTE.

The impact of deep venous thrombosis on 90 day mortality in chronic obstructive pulmonary disease patients presenting with pulmonary embolism.

Background: There are a limited number of studies investigating the effect of deep venous thrombosis (DVT) in patients presenting with both pulmonary embolism and chronic obstructive pulmonary disease. The aim of this study is to investigate the prevalence and prognostic significance of DVT in patients with PE-COPD.

Methods: COPD patients admitted with a diagnosis of PE to our tertiary hospital between January 2016 and January 2021 were retrospectively evaluated with an electronic hospital database.

Diagnostic and Therapeutic Role of Electrocautery Snare Use in Endobronchial Polypoid Lesions.

Introduction: Electrocautery with a snare probe offers a tool for the treatment of endobronchial polyps. The aim of this study was to demonstrate the efficacy of the snare probe in patients undergoing rigid bronchoscopy due to central airway obstruction.

Methods: This retrospective descriptive study included patients who underwent rigid bronchoscopy with an electrocautery snare probe for the diagnosis and/or treatment of endobronchial polyps in an interventional pulmonology unit.

Triglyceride-glucose index as a predictor of obstructive sleep apnoea severity in the absence of traditional risk factors.

Objective: We evaluated the association between the triglyceride-glucose (TG) index, a marker of insulin resistance, and obstructive sleep apnoea (OSA) severity in patients without diabetes mellitus, obesity, and metabolic syndrome.

Methods: This retrospective cohort study included 1,527 patients. We used univariate and multivariate analyses to identify the independent predictors associated with OSA.

Correlation between Pulmonary Embolism and Sleep Apnea.

Introduction: It has been shown that there is a correlation between Obstructive Sleep Apnea Syndrome (OSAS) and pulmonary thromboembolism (PTE); OSAS is a risk factor for PTE. We aimed to evaluate the frequency of OSAS in PTE patients, the correlation of OSAS with the severity of PTE, and its effect on 1-month mortality in PTE patients.

Methods: This single-center, prospective, comparative case control study contains 198 patients diagnosed with non-massive PTE in our hospital between the dates of 01/07/2018-04/01/2020 who were confirmed by imaging methods.

Management of recurrent hemoptysis: a single-center experience.

Background: A successful planning methodology for patients with hemoptysis promises overall improvement in patient care. Conducted in a reference center for chest diseases, the present study aims to analyze characteristics and predictors of interventional methods in patients with recurrent hemoptysis.

Methods: The present study is a single-center, retrospective observational study.

Developing lung cancer in COPD: Possible role of carrying Alpha-1 antitrypsin deficiency variants.

Introduction: Chronic obstructive pulmonary disease (COPD) is characterized by persistent airflow limitation and airway inflammation, with a prevalence of 10.1%. Among the many causes of COPD, Smoking is the leading and another big cause is (AATD α1-antitrypsin deficiency)' an inherited disorder.

Lifestyle Changes and Exacerbation Frequency of COPD in Times of the Pandemic.

Objective: The objective of this study is to analyze chronic obstructive pulmonary disease exacerbation rates and the effect of patients' behavioral changes on the exacerbations during the pandemic.

Material And Methods: This study was conducted in a reference hospital for chest diseases and patients who were hospitalized with an exacerbation of chronic obstructive pulmonary disease between March 11, 2019, and March 11, 2020, were designated. Patients' chronic obstructive pulmonary disease exacerbations requiring emergency department visits and/or hospitalization were com- pared between the pre-pandemic and pandemic periods.

Hyponatremia is an independent predictor of emergency department revisits in acute exacerbation of COPD.

Introduction: Hyponatremia is shown to prolong hospitalization and increase mortality. The role of hyponatremia in chronic obstructive pulmonary disease is widely studied with a focus on hospitalized patients.

Objectives: To investigate whether hyponatremia increases the probability of re-exacerbations in non-hospitalized patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPD).

Uric acid as a marker of severity of obstructive sleep apnoea syndrome in older patients.

Objective: Uric acid has been shown to be related to the severity of obstructive sleep apnoea syndrome (OSAS) in adults. We assessed the role of uric acid in OSAS in a cohort of older patients.

Methods: A total of 164 patients aged >65 years, admitted to our sleep laboratory between January 1st, 2016 and July 1st, 2018 with a complaint of snoring, underwent overnight polysomnography and were retrospectively evaluated.

Could ferritin level be an indicator of COVID-19 disease mortality?

While the number of coronavirus disease-2019 (COVID-19) cases is increasing day by day, there is limited information known about the hematological and laboratory findings of the disease. We aimed to investigate whether serum ferritin level predicts mortality is a marker for rapid progression for inpatients. Our study included 56 patients who were died due to COVID-19 as the study group, and 245 patients who were hospitalized and recovered as the control group.

A new electrocardiographic parameter associated with sudden cardiac death in pulmonary sarcoidosis.

Introduction: The interval from the peak to the end of the electrocardiographic T wave (T-T) may correspond to malignant ventricular arrhythmias. In this study we aimed to assess T-T variability and investigate the transmural dispersion of repolarisation in pulmonary sarcoidosis disease without proofed cardiac involvement.

Material And Methods: This was a retrospective case-control study that included patients who had a pathologic and radiologic diagnosis of sarcoidosis.

Comparison of silicon and metallic bifurcated stents in patients with malignant airway lesions.

Introduction And Objective: Silicon and metallic are two types of stents in use. In this study, we compared complications and long-term survival among patients who received silicon or fully covered, bifurcated self-expandable metallic stents (SEMS) for a malignant tracheobronchial obstruction and/or tracheo/bronchial oesophageal fistulas.

Methods: Patients in whom Y-shaped stents were used from January 2013 to June 2017 in our interventional pulmonology unit were evaluated retrospectively from patient files.

Use of interventional bronchoscopic treatment in small cell lung cancer.

Aims: Small cell lung cancer (SCLC) constitutes 15%-25% of all lung cancers. Their treatment approach is different from nonsmall cell lung cancer. Central airway obstruction develops at the time of diagnosis or eventually at some time as the disease progress.

Are flexible bronchoscopic cryoextraction practices an alternative to rigid bronchoscopy?

Introduction: We aimed to evaluate the efficacy of flexible bronchoscopic cryoextraction in the treatment of airw ay obstruction arise from mucus plugs and blood clots and present our experience.

Materials And Methods: The present study evaluated patients who previously underwent unsuccessful flexible bronchoscopy for the removal of secretions and blood clots in the central airway and who underwent flexible bronchoscopic cryoextraction between January 2013-November 2017.

Result: The study included seven patients with a mean age of 58.

Bronchoscopic Treatment of Benign Endoluminal Lung Tumors.

Background And Aim: Endobronchial benign tumors are a rarely seen clinical entity but may cause significant symptoms. Endobronchial treatment has the potential for relieving symptoms while saving the patient from invasive surgical procedures. No trials have been published that present and compare the various endobronchial treatment modalities for endobronchial benign tumors.

T wave peak-to-end interval in COPD.

Introduction: The interval from the peak to the end of the electrocardiographic (ECG) T wave (Tp-Te) can estimate cardiovascular mortality and ventricular tachyarrhythmias.

Objectives: In this study, we aimed to define a new ECG parameter in patients with COPD.

Methods: This was a cross-sectional observational study that included COPD patients who were diagnosed previously and followed up in the outpatient clinic.

Endoscopic and Surgical Treatment of Benign Tracheal Stenosis: A Multidisciplinary Team Approach.

Purpose: Surgical resection and reconstruction are considered the most appropriate approaches to treat post-intubation tracheal stenosis (PITS). Bronchoscopic methods can be utilized as palliative therapy in patients who are ineligible for surgical treatment or who develop post-surgical re-stenosis. We investigated treatment outcomes in patients with benign tracheal stenosis.

Response of Blood Parameters to CPAP Treatment in Patients with Obstructive Sleep Apnea.

Introduction: Many studies have evaluated the relationship between the NLR and PLR in patients with obstructive sleep apnea (OSA), and have shown that they are related to inflammation. We evaluated whether 3 months of continuous positive airway pressure (CPAP) treatment in patients with moderate to severe OSA without any comorbidities would affect the NLR and PLR values.

Methods: Full blood count parameters were evaluated before and after 3 months of CPAP treatment in patients with a diagnosis of moderate to severe OSA without any comorbidities.