Mối liên quan giữa một số đặc điểm lâm sàng, tổn thương phổi trên X-quang và kết cục lâm sàng ở bệnh nhân Covid-19

2022 ◽  
Author(s):  
Dinh Khoa Nguyen
Keyword(s):  
Clinical Symptoms ◽  
Care Center ◽  
Ground Glass Opacity ◽  
Elderly Age ◽  
X Ray ◽  
Risk Of Death ◽  
Global Pandemic ◽  
Risk Patients ◽  
Chest X Ray ◽  
Recovery Group

TÓM TẮT Đặt vấn đề: Bệnh COVID-19 gây ra bởi vi rút SARS-CoV-2 hiện nay là một đại dịch toàn cầu gây ảnh hưởng lớn đến hơn 200 quốc gia trên thế giới. Mức độ nặng của bệnh lý nhu mô phổi được coi là một yếu tố nguy cơ liên quan đến kết cục tử vong, bác sĩ nhận biết được điều này sẽ cải thiện sự phân tầng nguy cơ và điều chỉnh cường độ chăm sóc, đặc biệt là những bệnh nhân có nguy cơ cao. Phương pháp: Nghiên cứu hồi cứu 220 bệnh nhân COVID-19 được cách ly và điều trị tại Trung tâm hồi sức tích cực người bệnh COVID-19 trực thuộc Bệnh viện Trung ương Huế tại TP HCM Kết quả: Chúng tôi đã lấy ngẫu nhiên 110 bệnh nhân sống và 110 bệnh nhân tử vong (TV). Tổn thương trên X-quang ở nhóm tử vong trung vị TSS là 8 (8 - 8) và gặp gần như hoàn toàn mức độ nặng 109 (49,5%), nhóm sống trung vị TSS là 6 (4 - 7), và gặp phần lớn là mức độ vừa 68 (30,9%), sự khác biệt rất có ý nghĩa thống kê với p < 0,000001 và p < 0,0001. Tổn thương trên X-quang thường phối hợp và gặp theo thứ tự sau: tổn thương kẽ 212 (96,4%), kính mờ 205 (93,2%), nốt mờ 140 (63,6%), đông đặc 103 (46,8%), tổn thương dạng nốt mờ ở nhóm TV 96 (43,6%) cao hơn hẳn nhóm sống 44 (20%) với p < 0.0001. Vị trí tổn thương gặp ở nhóm TV là lan tỏa 2 phế trường bệnh nhân, trong khi ở nhóm sống gặp ở cả ở ngoại vi 58 (26,4%) và lan tỏa 52 (23,6%), không gặp tổn thương ở quanh rốn phổi ở cả hai nhóm với p < 0,0001. Kết luận: Nghiên cứu đầu tiên ở Việt Nam chỉ ra rằng điểm TSS cao, tổn thương lan tỏa trên X-quang và tuổi cao tăng nguy cơ tử vong do COVID-19. ABSTRACT RELATIONSHIP BETWEEN CLINICAL SYMPTOMS, CHEST X-RAY ABNORMALITIES AND OUTCOME IN PATIENTS WITH COVID-19 Background: COVID-19 caused by SARS-CoV-2 virus is an unprecedented global pandemic affecting more than 200 countries worldwide. The severity of parenchymal lung disease is considered as a major risk factor for mortality. Therefore, it is important to improve its recognition by clinicians, henceits risk stratification and intensity adjustment of care, especially in high - risk patients. Methods: A retrospective study was conducted on 220 COVID-19 patients who were treated at the COVID-19 Intensive Care Center Unit run by Hue Central Hospital in Ho Chi Minh City. Results: We randomly selected 110 patients who had recovered (R) and 110 who died (D) from COVID-19. The radiographic lesion in the D group median TSS was 8 (8 - 8) and had almost complete severity 109 (49.5%) and median recovery group TSS was 6 (4 - 7), and most of them were moderate 68 (30.9%) with p < 0.00001 and p < 0.0001. Lesions on X - ray are often combined and occurred in the following order: interstitial lesions 212 (96.4%), ground - glass opacity 205 (93.2%), blurred nodules 140 (63.6%), consolidation 103 (46.8%), nodular lesions in the D group 96 (43.6%) were significantly higher than in the recovery group 44 (20%) with p < 0.0001. The location of the lesions seen in the D group was diffuse to 2 lung fields patients, while in the recovery group it was found in both peripheral 58 (26.4%) and diffuse 52 (23.6%), not found lesions around the hilum in both groups with p < 0.0001. Conclusions: This study demonstrates for the first time in Vietnam that a high TSS score, diffuse radiographic involvement, and elderly age increase the risk of death in patients with COVID-19. Keywords: Clinical symptoms, chest X-ray, TSS, outcome, COVID-19

scholarly journals Efficacy of chest X-ray in the diagnosis of COVID-19 pneumonia: comparison with computed tomography through a simplified scoring system designed for triage

2021 ◽  
Vol 52 (1) ◽  
Author(s):  
Akın Çinkooğlu ◽  
Selen Bayraktaroğlu ◽  
Naim Ceylan ◽  
Recep Savaş
Keyword(s):  
Computed Tomography ◽  
Intensive Care ◽  
Intensive Care Units ◽  
Scoring System ◽  
Imaging Modality ◽  
Ground Glass Opacity ◽  
Initial Presentation ◽  
X Ray ◽  
Chest X Ray

Abstract Background There is no consensus on the imaging modality to be used in the diagnosis and management of Coronavirus disease 2019 (COVID-19) pneumonia. The purpose of this study was to make a comparison between computed tomography (CT) and chest X-ray (CXR) through a scoring system that can be beneficial to the clinicians in making the triage of patients diagnosed with COVID-19 pneumonia at their initial presentation to the hospital. Results Patients with a negative CXR (30.1%) had significantly lower computed tomography score (CTS) (p < 0.001). Among the lung zones where the only infiltration pattern was ground glass opacity (GGO) on CT images, the ratio of abnormality seen on CXRs was 21.6%. The cut-off value of X-ray score (XRS) to distinguish the patients who needed intensive care at follow-up (n = 12) was 6 (AUC = 0.933, 95% CI = 0.886–0.979, 100% sensitivity, 81% specificity). Conclusions Computed tomography is more effective in the diagnosis of COVID-19 pneumonia at the initial presentation due to the ease detection of GGOs. However, a baseline CXR taken after admission to the hospital can be valuable in predicting patients to be monitored in the intensive care units.

scholarly journals Analysis of Separability of COVID-19 and Pneumonia in Chest X-ray Images by Means of Convolutional Neural Networks

Proceedings ◽  
2020 ◽  
Vol 54 (1) ◽  
pp. 31
Author(s):  
Joaquim de Moura ◽  
Lucía Ramos ◽  
Plácido L. Vidal ◽  
Jorge Novo ◽  
Marcos Ortega
Keyword(s):  
Neural Networks ◽  
Convolutional Neural Networks ◽  
Clinical Symptoms ◽  
Early Stage ◽  
World Health ◽  
Complete Analysis ◽  
Screening Process ◽  
X Ray ◽  
Chest X Ray ◽  
Health Organization

The new coronavirus (COVID-19) is a disease that is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). On 11 March 2020, the coronavirus outbreak has been labelled a global pandemic by the World Health Organization. In this context, chest X-ray imaging has become a remarkably powerful tool for the identification of patients with COVID-19 infections at an early stage when clinical symptoms may be unspecific or sparse. In this work, we propose a complete analysis of separability of COVID-19 and pneumonia in chest X-ray images by means of Convolutional Neural Networks. Satisfactory results were obtained that demonstrated the suitability of the proposed system, improving the efficiency of the medical screening process in the healthcare systems.

scholarly journals The diagnostic value of chest X-ray in coronavirus disease 2019: A comparative study of X-ray and CT

2021 ◽  
Vol 104 (3) ◽  
pp. 003685042110162
Author(s):  
Fengxia Zeng ◽  
Yong Cai ◽  
Yi Guo ◽  
Weiguo Chen ◽  
Min Lin ◽  
...  
Keyword(s):  
Clinical Symptoms ◽  
Diagnostic Value ◽  
Rapid Identification ◽  
Chest Ct ◽  
Ct Scans ◽  
Ground Glass ◽  
X Ray ◽  
Chest X Ray ◽  
Laboratory Examinations ◽  
Sensitivity Specificity

As the coronavirus disease 2019 (COVID-19) epidemic spreads around the world, the demand for imaging examinations increases accordingly. The value of conventional chest radiography (CCR) remains unclear. In this study, we aimed to investigate the diagnostic value of CCR in the detection of COVID-19 through a comparative analysis of CCR and CT. This study included 49 patients with 52 CT images and chest radiographs of pathogen-confirmed COVID-19 cases and COVID-19-suspected cases that were found to be negative (non-COVID-19). The performance of CCR in detecting COVID-19 was compared to CT imaging. The major signatures that allowed for differentiation between COVID-19 and non-COVID-19 cases were also evaluated. Approximately 75% (39/52) of images had positive findings on the chest x-ray examinations, while 80.7% (42/52) had positive chest CT scans. The COVID-19 group accounted for 88.4% (23/26) of positive chest X-ray examinations and 96.1% (25/26) of positive chest CT scans. The sensitivity, specificity, and accuracy of CCR for abnormal shadows were 88%, 80%, and 87%, respectively, for all patients. For the COVID-19 group, the accuracy of CCR was 92%. The primary signature on CCR was flocculent shadows in both groups. The shadows were primarily in the bi-pulmonary, which was significantly different from non-COVID-19 patients ( p = 0.008). The major CT finding of COVID-19 patients was ground-glass opacities in both lungs, while in non-COVID-19 patients, consolidations combined with ground-glass opacities were more common in one lung than both lungs ( p = 0.0001). CCR showed excellent performance in detecting abnormal shadows in patients with confirmed COVID-19. However, it has limited value in differentiating COVID-19 patients from non-COVID-19 patients. Through the typical epidemiological history, laboratory examinations, and clinical symptoms, combined with the distributive characteristics of shadows, CCR may be useful to identify patients with possible COVID-19. This will allow for the rapid identification and quarantine of patients.

scholarly journals Chest X-ray findings in a large cohort of 1117 patients with SARS-CoV-2 infection: a multicenter study during COVID-19 outbreak in Italy

2020 ◽  
Author(s):  
Valentina Vespro ◽  
Maria Carmela Andrisani ◽  
Stefano Fusco ◽  
Letizia Di Meglio ◽  
Guido Plensich ◽  
...  
Keyword(s):  
Interstitial Pneumonia ◽  
Ground Glass Opacity ◽  
Large Cohort ◽  
Frequent Pattern ◽  
Categorical Variables ◽  
Paired Data ◽  
X Ray ◽  
Lombardy Region ◽  
Chest X Ray

AbstractTo describe radiographic key patterns on Chest X-ray (CXR) in patients with SARS-CoV-2 infection, assessing the prevalence of radiographic signs of interstitial pneumonia. To evaluate pattern variation between a baseline and a follow-up CXR. 1117 patients tested positive for SARS-CoV-2 infection were retrospectively enrolled from four centers in Lombardy region. All patients underwent a CXR at presentation. Follow-up CXR was performed when clinically indicated. Two radiologists in each center reviewed images and classified them as suggestive or not for interstitial pneumonia, recording the presence of ground-glass opacity (GGO), reticular pattern or consolidation and their distribution. Pearson’s χ2 test for categorical variables and McNemar test (χ2 for paired data) were performed. Patients mean age 63.3 years, 767 were males (65.5%). The main result is the large proportion of positive CXR in COVID-19 patients. Baseline CXR was positive in 940 patients (80.3%), with significant differences in age and sex distribution between patients with positive and negative CXR. 382 patients underwent a follow-up CXR. The most frequent pattern on baseline CXR was the GGO (66.1%), on follow-up was consolidation (53.4%). The most common distributions were peripheral and middle-lower lung zone. We described key-patterns and their distribution on CXR in a large cohort of COVID-19 patients: GGO was the most frequent finding on baseline CXR, while we found an increase in the proportion of lung consolidation on follow-up CXR. CXR proved to be a reliable tool in our cohort obtaining positive results in 80.3% of the baseline cases.

scholarly journals Laryngo-Tracheal Displacement and Respiratory Distress in an Infant with Congenital Thymic Hyperplasia

2011 ◽  
Vol 2011 ◽  
pp. 1-3 ◽  
Author(s):  
Michael Wolff ◽  
Süha Demirakca ◽  
Anna Kristina Kilian ◽  
Horst Schroten ◽  
Tobias Tenenbaum
Keyword(s):  
Young Children ◽  
Respiratory Distress ◽  
Corticosteroid Therapy ◽  
Clinical Symptoms ◽  
Thymic Hyperplasia ◽  
Feeding Disorder ◽  
X Ray ◽  
Chest X Ray

Thymic hyperplasia is usually an asymptomatic condition observed in infancy. A five-week-old boy presented with respiratory distress and feeding disorder, in which chest X-ray and bronchoscopy revealed a strong laryngotracheal displacement. Sonography and MRI confirmed the diagnosis of a thymic hyperplasia. Corticosteroid therapy led to improvement of clinical symptoms. Thymic hyperplasia may lead to laryngo-tracheal displacement and respiratory distress in neonates and young children.

scholarly journals Amiodarone and its Pulmonal Toxicity

2014 ◽  
pp. 113-25
Author(s):  
Kemalasari Nas Darisan ◽  
Jamal Zaini ◽  
Yoga Yuniadi
Keyword(s):  
Pulmonary Toxicity ◽  
Ventricular Arrhythmias ◽  
Treatment Guidelines ◽  
High Resolution Computed Tomography ◽  
X Ray ◽  
Risk Patients ◽  
Life Threatening ◽  
Amiodarone Treatment ◽  
Chest X Ray ◽  
Modest Reduction

Amiodarone is an antiarrhythmic agent commonly used to treat supraventricular and ventricular arrhythmias. The drug prevents the recurrence of life-threatening ventricular arrhythmias and produces a modest reduction of sudden deaths in high-risk patients. This drug is an iodine-containing compound that tends to accumulate in several organs, including the lungs. It has been associated with a variety of adverse events. Of these events, the most serious is amiodarone pulmonary toxicity. Although the incidence of this complication has decreased with the use of lower doses of amiodarone, it can occur with any dose. Because amiodarone is widely used, all clinicians should be vigilant of this possibility. Pulmonary toxicity usually manifests as an acute or subacute pneumonitis, typically with diffuse infiltrates on chest x-ray and high-resolution computed tomography. Other, more localized, forms of pulmonary toxicity may occur, including pleural disease, migratory infiltrates, and single or multiple nodules. With early detection, the prognosis is good. Most patients diagnosed promptly respond well to the withdrawal of amiodarone and the administration of corticosteroids, which are usually given for four to 12 months. It is important that physicians be familiar with amiodarone treatment guidelines and follow published recommendations for the monitoring of pulmonary as well as extrapulmonary adverse effects.

scholarly journals Klajoklio nervo krūtininės dalies neurilemoma: klinikinis atvejis

2014 ◽  
Vol 13 (3) ◽  
pp. 200-203
Author(s):  
Renatas Aškinis ◽  
Arnoldas Krasauskas ◽  
Sigitas Zaremba ◽  
Saulius Cicėnas
Keyword(s):  
Rare Disease ◽  
Clinical Case ◽  
Clinical Symptoms ◽  
Chest Ct ◽  
Vagal Nerve ◽  
Surgical Removal ◽  
Radiological Findings ◽  
X Ray ◽  
Chest X Ray

Neurilemoma – periferinių nervų dangalų auglys. Jis auga lėtai ir pradžia dažniausiai būna besimptomė. Pasiekęs kritinį dydį auglys, priklausomai nuo atsiradimo vietos, pasireiškia spaudimo į aplinkinius organus klinika. Neurilemomos dažniausiai atsiranda galūnėse 30–50 gyvenimo metais nepriklausomai nuo lyties. Klajoklio nervo neurilemoma yra nedažna patologija, o krūtininės klajoklio nervo dalies neurilemoma pasitaiko itin retai. Diagnozuojant svarbiausi yra radiologiniai tyrimo metodai. Gydymas – chirurginis auglio pašalinimas. Pateikiame krūtininės klajoklio nervo dalies neurilemomos, nustatytos 39 metų moteriai, klinikinį atvejį. Auglys aptiktas radiologiniais tyrimais (krūtinės rentgeno, kompiuterinės tomografijos ir tarpuplaučio magnetinio branduolių rezonanso), pašalintas naudojant vaizdo torakoskopinę (VATS) metodiką. Diagnozė galutinai patvirtinta histologiniu tyrimu. Aštuntą parą po operacijos ligonė išrašyta į namus.Reikšminiai žodžiai: neurilemoma, klajoklis nervas, operacija Neurilemoma of intrathoracal vagal nerve: clinical caseRenatas Aškinis, Arnoldas Krasauskas, Sigitas Zaremba, Saulius Cicėnas Neurilemoma is a tumour of peripleurical nervous tissues. It grows slowly and has an asymptomatic manifestation. During tumour enlargement, depending on localisation, clinical symptoms appear because of the tumour pressure to the surrounding tissues. Mostly neurilemomas appear in extremities of patients aged 30–50 years. N. vagus neurilemoma is a very rare disease. The diagnosis is made using radiology. The treatment is surgical removal. We present a clinical case of intrathoracal n. vagus neurilemoma in a 39-year-old woman. The diagnosis was made using radiological findings (chest X-ray, chest CT, and the MRI of the mediastinum). The removal of the tumour was made by VATS. The diagnosis was proved morphologically. After 8 days, the patient was discharged from the hospital.Key words: neurilemoma, vagal nerve, operation

scholarly journals COVIDPEN: A Novel COVID-19 Detection Model using Chest X-Rays and CT Scans

2020 ◽  
Author(s):  
Amit Kumar Jaiswal ◽  
Prayag Tiwari ◽  
Vipin Kumar Rathi ◽  
Jia Qian ◽  
Hari Mohan Pandey ◽  
...  
Keyword(s):  
False Negative ◽  
Healthcare Providers ◽  
False Negative Rate ◽  
X Rays ◽  
X Ray ◽  
Detection Model ◽  
Global Pandemic ◽  
High False Negative Rate ◽  
Proposed Model ◽  
Chest X Ray

The trending global pandemic of COVID-19 is the fastest ever impact which caused people worldwide by severe acute respiratory syndrome~(SARS)-driven coronavirus. However, several countries suffer from the shortage of test kits and high false negative rate in PCR test. Enhancing the chest X-ray or CT detection rate becomes critical. The patient triage is of utmost importance and the use of machine learning can drive the diagnosis of chest X-ray or CT image by identifying COVID-19 cases. To tackle this problem, we propose~COVIDPEN~-~a transfer learning approach on Pruned EfficientNet-based model for the detection of COVID-19 cases. The proposed model is further interpolated by post-hoc analysis for the explainability of the predictions. The effectiveness of our proposed model is demonstrated on two systematic datasets of chest radiographs and computed tomography scans. Experimental results with several baseline comparisons show that our method is on par and confers clinically explicable instances, which are meant for healthcare providers.

scholarly journals Descriptive study of chest x-ray examination in mandatory annual health examinations at the workplace in Japan

PLoS ONE ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. e0262404
Author(s):  
Yuya Watanabe ◽  
Toru Nakagawa ◽  
Kota Fukai ◽  
Toru Honda ◽  
Hiroyuki Furuya ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Lung Cancer ◽  
Detection Rate ◽  
Low Dose ◽  
Care Center ◽  
Stage I ◽  
X Ray ◽  
Health Care Center ◽  
Chest X Ray

The utility of chest x-ray examination (CXR) in mandatory annual health examinations for occupational health is debatable in Japan. This study aimed to provide basic data to consider future policies for mandatory annual health examinations in the workplace. A nationwide descriptive survey was performed to determine the rate of detection of tuberculosis, lung cancer, and other diseases through CXR in organizations associated with National Federation of Industrial Health Association. The rate of finding on CXR conducted during annual health examinations in FY2016 was evaluated. Data regarding diagnosis based on follow-up examination findings were obtained and compared with the national statistics. In addition, CXR findings were compared with the results of low-dose lung computed tomography performed at the Hitachi Health Care Center. From 121 surveyed institutions, 88 institutions with 8,669,403 workers were included. For all ages, 1.0% of examinees required follow-up examination. Among 4,764,985 workers with diagnosis data, the tuberculosis detection rate was 1.8–5.3 per 100,000 persons. For Lung cancer, 3,688,396 workers were surveyed, and 334 positive cases were detected. The lung cancer detection rate using CXR was 9.1–24.4 per 100,000 persons. From 164 cases with information regarding the clinical stage, 72 (43.9%) had Stage I lung cancer. From 40,045 workers who underwent low-dose computed tomography multiple times, 31 lung cancer cases, all with Stage I disease, were detected (detection rate: 77.4 per 100,000 persons). Our findings suggest that CXR plays a little role in the detection of active tuberculosis. With regard to LC screening, the detection rate of LC by CXR was lower, approximately 50%, than the expected rate (41.0 per 100,000 persons) of LC morbidity based on the age–sex distribution of this study population. However, the role of CXR for LC screening cannot be mentioned based on this result, because assessment of mortality reduction is essential to evaluate the role.

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