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1.
Respir Med Res ; 83: 100947, 2023 Jun.
Article in English | MEDLINE | ID: mdl-36822133

ABSTRACT

PURPOSE: To perform pulmonary function tests (PFT) in severe COVID-19 survivors one and five months after hospital discharge in order to assess the lung function, as well to identify clinical characteristics and PFT parameters associated with worse cardiopulmonary exercise testing (CPET). MATERIAL AND METHODS: A prospective study included 75 patients with severe form of COVID-19. PFT was conducted one and five months after hospital discharge, in addition to CPET in a second assessment. Patients with a previous history of chronic respiratory diseases were excluded from our study. RESULTS: One month after hospital discharge, all examined patients had diffusion lung capacity for carbon-monoxide(DLco%) below the 80% of predicted values (in mean 58%), with 40% of patients having a restrictive pattern (total lung capacity(TLC) < 80%). In a repeated assessment after five months, pathological DLco% persisted in 40% of patients, while all other PFT parameters were normal. CPET showed reduced maximum oxygen consumption during exercise testing (VO2peak%) values in 80% of patients (in mean 69%), and exercise ventilatory inefficiency in 60%. Patients with VO2peak < 60% had significantly lower values of examined PFT parameters, both one and five months after hospital discharge. Patients with VO2peak% ≥ 60% had a significantly higher increase after the second assessment for Forced expiratory volume in 1st second (FEV1%), Forced expiratory volume in 1st second and forced vital capacity ratio (FEV1/FVC), DLco% and Diffusion lung capacity for carbon monoxide corrected for alveolar volume (DLco/VA). CONCLUSION: Significant functional abnormalities, according to PFT and CPET, was present both one and five months in severe COVID-19 survivors, thus emphasizing the importance of a comprehensive follow-up including both resting and dynamic functional assessment in these patients.


Subject(s)
COVID-19 , Humans , Pilot Projects , Prospective Studies , COVID-19/epidemiology , Lung , Forced Expiratory Volume
2.
J Clin Med ; 7(7)2018 Jul 12.
Article in English | MEDLINE | ID: mdl-30002276

ABSTRACT

BACKGROUND: The aim of this study was to establish whether non-atopic patients with cough variant asthma (CVA) have different pattern of response to direct bronchoconstrictors than non-atopic patients with classic asthma (CA). METHOD: A total of 170 patients of both sexes with stable CVA and CA were screened for the study and 153 were included. Patients with proven atopy were not included and 17 patients with worsening of their condition or with verified bronchial obstruction during screening were excluded. All included patients performed spirometry and underwent a bronchial challenge with histamine according to long-standing protocol in our laboratory. RESULTS: Significantly higher frequency of bronchial hyper-responsiveness (BHR) was found in patients with CA than in patients with CVA (63.9% vs. 44.9%, respectively; p < 0.05). Sensitivity was significantly lower in patients with CVA (p < 0.05), while no significant difference was found in maximal response and responsiveness. Only patients with positive challenge tests were included in the analysis. CONCLUSION: Adult non-atopic patients with CVA and CA have a pattern of response to non-specific bronchial stimuli similar to atopic patients with same conditions, with the exception of similar maximal response, which may reflect the efficacy of previous treatment. We believe that further studies are needed to clarify the mechanisms involved in airway response to non-specific stimuli in CVA and CA, especially in non-atopic patients. Further studies should also clarify whether this response pattern has any implications on clinical presentation or on treatment options.

3.
Med Pregl ; 66(1-2): 46-52, 2013.
Article in English | MEDLINE | ID: mdl-23534300

ABSTRACT

INTRODUCTION: Asthma and chronic obstructive pulmonary disease are often unrecognized and undertreated. The aim of this study was to describe the frequency of chronic obstructive pulmonary disease and asthma in primary care patients in Serbia, and to examine the agreement between general practitioners and pulmonologists on the diagnosis of chronic obstructive pulmonary disease and asthma. MATERIAL AND METHODS: In this multicenter observational study, the general practitioners identified eligible patients from October 2009 to June 2010. The study included all adult patients with respiratory symptoms and/or smoking history based on structured interview. The patients were referred to a pulmonologist and underwent a diagnostic work-up, including spirometry. RESULTS: There were 2074 patients, 38.4% men, their mean age being 54 +/- 15.5 years. The patients were mostly current (40.3%) or ex-smokers (27.4%). The common symptoms included shortness of breath (84.9%), cough (79.1%) and wheezing (64.3%). The diagnosis of chronic obstructive pulmonary disease was confirmed by pulmonologists in 454 (21.9%) and asthma in 455 (21.9%) patients. The chronic obstructive pulmonary disease was newly diagnosed in 226 (10.9%) and asthma in 269 (13%) of the cases. There was a moderate agreement between the pulmonologists and general practitioners on the diagnosis of chronic obstructive pulmonary disease (kappa 0.41, 95% CI 0.36-0.46) and asthma (kappa 0.42, 95% CI 0.37-0.465). CONCLUSION: A significant number of patients seen in the general practitioner's office were diagnosed with chronic obstructive pulmonary disease or asthma and half of them represent new cases. A substantial proportion of patients referred to a pulmonologist by primary care physicians have been misdiagnosed.


Subject(s)
Asthma/diagnosis , Primary Health Care , Pulmonary Disease, Chronic Obstructive/diagnosis , Attitude to Health , Early Diagnosis , Female , Forced Expiratory Volume , Humans , Male , Middle Aged , Pulmonary Medicine , Vital Capacity
4.
Sleep Breath ; 15(4): 775-80, 2011 Dec.
Article in English | MEDLINE | ID: mdl-21053085

ABSTRACT

PURPOSE: The Epworth Sleepiness Scale (ESS) is extensively used for evaluating daytime sleepiness in patients with sleep apnea-hypopnea syndrome (SAHS). The aim of this study was to translate and validate the ESS in the Serbian language. METHODS: The Serbian version of the ESS (ESSs) was administered to 112 patients with symptoms of sleep disorder breathing referred to Sleep Center of the Institute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia and 111 healthy controls. Test-retest reliability was tested in 19 healthy subjects. RESULTS: Patients referred to the Sleep center had significantly higher ESS scores compared to controls (9 vs. 4, p < 0.001). The difference was also present for each item separately, excluding item 5. The ESSs scores were significantly higher in patients with severe (median, 13.5; interquartile range (IQR), 10.3-17.8) compared to moderate (median, 9; IQR, 7.3-9.5; p = 0.005) and mild SAHS (median, 8; IQR, 5.5-9.7; p < 0.001). Item analysis demonstrated good internal consistency of the scale (Cronbach's alpha 0.88 in patients and 0.72 in healthy controls). Test-retest Spearman's correlation coefficient was 0.68 (p = 0.001). CONCLUSION: The Serbian version of the ESS demonstrated good internal consistency and test-retest reliability. The ESSs could be used for both clinical practice and research in Serbian population.


Subject(s)
Cross-Cultural Comparison , Disorders of Excessive Somnolence/diagnosis , Sleep Apnea, Obstructive/diagnosis , Surveys and Questionnaires , Adult , Female , Humans , Male , Middle Aged , Reproducibility of Results , Serbia , Translating
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