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    Evaluating Stable Chronic Obstructive Pulmonary Disease by Ultrasound
    (Hindawi Ltd, 2019) Evrin, Togay; Korkut, Semih; Sonmez, Leyla Ozturk; Szarpak, Lukasz; Katipoglu, Burak; Smereka, Jacek; Guven, Ramazan
    Background and Aim. The purpose of the study was to evaluate the relationship between COPD severity and the diaphragmatic function measured by point-of-care US in patients with stable COPD. Method. A total of 61 patients with COPD and 40 healthy subjects who had been admitted to Ufuk University Hospital between December 2018 and May 2019 were enrolled. Point-of-care US was performed, and lung silhouette and anterior, right, and left hemidiaphragm method in M-mode were used to evaluate the diaphragm. Results. The point-of-care US measurements, lung silhouette method right (Lung Sil R), lung silhouette method left (Lung Sil L), right hemidiaphragm US method in B-mode (Ant B-Mode R), and right hemidiaphragm US method in M-mode (Ant M-Mode R), were significantly different among groups (P < 0.001 for each). FEV1 was strongly correlated with Lung Sil R, Lung Sil L, Ant B-Mode R, and Ant M-Mode R (r = 0.963, P < 0.001; r = 0.956, P < 0.001; r = 0.953, P < 0.001; and r = 0.917, and P < 0.001, respectively). Negative correlations were detected between the number of exacerbations per year and Lung Sil R and the number of exacerbations per year and Ant M-Mode R (r = -0.599, P < 0.001 and r = -0.587, and P < 0.001, respectively). Conclusion. In this study, FEV1 and annual number of exacerbations turned out to be strongly correlated US findings. The use of US in COPD patients could help to support clinical decision, but further clinical studies are necessary to confirm those findings.
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    The Impact of Lung Ultrasound on Coronavirus Disease 2019 Pneumonia Suspected Patients Admitted to Emergency Departments
    (Lippincott Williams & Wilkins, 2021) Sonmez, Leyla Ozturk; Katipoglu, Burak; Vatansev, Hulya; Kaykisiz, Eylem Kuday; Yuce, Nalan; Szarpak, Lukasz; Evrin, Togay
    Objective The aim of this study was to identify the sensitivity and specificity of lung ultrasound (LUS) and show its place in diagnosing patients with known coronavirus disease 2019 (COVID-19) pneumonia, according to chest computed tomography and the COVID-19 reporting and data system (CO-RADS). Methods Nineteen patients who admitted to a single university hospital emergency department between March 5, 2020, and April 27, 2020, describing dyspnea were included in the study and underwent LUS by a single emergency specialist. The patient population was divided into 2 groups, COVID-19 positive and negative, and the sensitivity and specificity of LUS according to chest computed tomography were calculated for COVID-19 pneumonia diagnosis. In the subgroup analysis, the patient group was divided into real-time reverse transcription-polymerase chain reaction positive (n = 7) and negative (n = 12), and sensitivity and specificity were calculated according to the CO-RADS. Results According to the CO-RADS, significant differences were detected between the LUS positive and negative groups in terms of COVID-19 pneumonia presence. Only 1 patient was evaluated as CO-RADS 2 in the LUS positive group, and 2 patients were evaluated as CO-RADS 4 in the LUS negative group (P = 0.04). The sensitivity of LUS according to the CO-RADS for COVID-19 pneumonia diagnosis was measured to be 77.78% (95% confidence interval [CI], 39.9%-97.1%), specificity was 90% (95% CI, 55.5%-99.75%), positive predictive value was 87.5% (95% CI, 51.35%-97.8%), and accuracy was 84.21% (95% CI, 60.4%-96.62%; P = 0.004). Conclusions In conclusion, LUS is easily used in the diagnosis of COVID-19 pneumonia because it has bedside application and is fast, easy to apply, reproducible, radiation free, safe for pregnant women, and cheap.
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    Unraveling the Consequences of the COVID-19 Pandemic on Out-of-hospital Cardiac Arrest: A Systematic Review and Meta-analysis
    (Galenos Publ House, 2023) Dabkowski, Miroslaw; Swieczkowski, Damian; Pruc, Michal; Cander, Basar; Gul, Mehmet; Bragazzi, Nicola; Szarpak, Lukasz
    Aim: The aim of this systematic review and meta-analysis was to assess the influence of the Coronavirus disease-2019 (COVID-19) pandemic on the incidence, characteristics, and clinical consequences of out-of-hospital cardiac arrest (OHCA).Materials and Methods: We searched PubMed, Embase, Scopus, Web of Science, and Cochrane Library databases up to May 30, 2023 for studies containing comparative data of OHCA patients in COVID-19 and pre-pandemic periods.Results: A total of 35 articles concerning to 34 studies screening based on the inclusion criteria. COVID-19 was associated with higher incidence of OHCA at home compared with the pre-pandemic period (p<0.001), longer emergency medical services arrival time (p<0.001), longer on-scene time (p<0.001), as well as reduction of shockable rhythms (p=0.02). COVID-19 compared with the pre-pandemic period was associated with lower survival to hospital admission (11.2% vs. 19.3%; p<0.001). Survival to hospital discharge (SHD) was 4.8% vs. 12.9%, respectively (p<0.001), while SHD with a good neurological outcome also varied and amounted to 3.6% vs. 5.8%, respectively (p<0.001).Conclusion: COVID-19, compared with the pre-pandemic period, was characterized by a reduced rate of defibrillation rhythms during OHCA, as well as a worse prognosis in terms of both survival to hospital admission, SHD, and SHD good neurological outcome.