Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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   Table of Contents - Current issue
Coverpage
January-March 2021
Volume 16 | Issue 1
Page Nos. 1-126

Online since Thursday, January 14, 2021

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EDITORIAL  

Delaying school and office timings during Ramadhan: Boon or bane? p. 1
Ahmed Salem Bahammam, Abdul Rouf Pirzada
DOI:10.4103/atm.ATM_679_20  
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GUIDELINE Top

The Saudi Initiative for Asthma - 2021 Update: Guidelines for the diagnosis and management of asthma in adults and children p. 4
Mohamed S Al-Moamary, Sami A Alhaider, Abdullah A Alangari, Majdy M Idrees, Mohammed O Zeitouni, Mohammed O Al Ghobain, Abdullah F Alanazi, Adel S Al-Harbi, Abdullah A Yousef, Hassan S Alorainy, Mohamed S Al-Hajjaj
DOI:10.4103/atm.ATM_697_20  
The Saudi Initiative for Asthma 2021 (SINA-2021) is the fifth version of asthma guidelines for the diagnosis and management of asthma for adults and children, which is developed by the SINA group, a subsidiary of the Saudi Thoracic Society. The main objective of the SINA is to have guidelines that are up to date, simple to understand, and easy to use by healthcare workers dealing with asthma patients. To facilitate achieving the goals of asthma management, the SINA panel approach is mainly based on the assessment of symptom control and risk for both adults and children. The approach to asthma management is aligned for age groups: adults, adolescents, children aged 5–12 years, and children aged less than 5 years. SINA guidelines have focused more on personalized approaches reflecting better understanding of disease heterogeneity with the integration of recommendations related to biologic agents, evidence-based updates on treatment, and the role of immunotherapy in management. Medication appendix has also been updated with the addition of recent evidence, new indications for existing medication, and new medications. The guidelines are constructed based on the available evidence, local literature, and the current situation at national and regional levels. There is also an emphasis on patient–doctor partnership in the management that also includes a self-management plan.
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HOT TOPIC Top

Framework for obstetrics and gynecology department change management in response to COVID-19 pandemic: A tertiary center experience p. 57
Azza M Madkhali, Sharifa O Al Ghamdi, Hythem Al-Sum, Hanan M Al-Kadri, Suwarnnah Sinnappan, Nadia A Al Ghilan, Heba Hamam, Hayat Al-Rabiea'a, Saad M AL-Shamrani, Saif Al Saif, Nabiha A Tashkandi, Mohamed S Al-Moamary
DOI:10.4103/atm.ATM_602_20  
Coronavirus (cov) disease 2019 pandemic caused by severe acute respiratory syndrome cov 2 has imposed significant demands on healthcare systems across the world. These demands were more significant on obstetrics and gynecology (obgyn) patients, who required services that had to continue despite the closure of other services. This paper describes the change management of an obgyn department at a tertiary health-care center. That experience resulted in a complete management shift in the institution and the formation of an infectious disease epidemic plan for respiratory infections. Description of the change management performed, difficulties encountered, and achievements obtained can assist other departments change management when they face similar situations.
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REVIEW ARTICLES Top

Childhood interstitial lung disease: A case-based review of the imaging findings p. 64
Markus Wu, Priya Girish Sharma, Dhanashree Abhijit Rajderkar
DOI:10.4103/atm.ATM_384_20  
Childhood interstitial lung disease (chILD) consists of a large, heterogeneous group of individually rare disorders. chILD demonstrates major differences in disease etiology, natural history, and management when compared with the adult group. It occurs primarily secondary to an underlying developmental or genetic abnormality affecting the growth and maturity of the pediatric lung. They present with different clinical, radiologic, and pathologic features. In this pictorial review article, we will divide chILD into those more prevalent in infancy and those not specific to infancy. We will use a case based approach to discuss relevant imaging findings including modalities such as radiograph and computed tomography in a wide variety of pathologies.
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E-cigarettes: A novel therapy or a looming catastrophe p. 73
Shahzad Hussain, Zainab Shahid, Mahtab B Foroozesh, Umar F Sofi
DOI:10.4103/atm.ATM_190_20  
Electronic cigarettes (e-cigarettes) were originally developed in 2003 as healthier alternatives to conventional tobacco cigarettes. Their popularity has since significantly increased and both users and nonusers are exposed to their aerosol and product constituents. Although some evidence suggests that e-cigarette use may facilitate smoking cessation, definitive data are lacking and e-cigarettes are not approved by the Food and Drug Administration as a cessation aid. While e-cigarette aerosol contains fewer toxins than conventional cigarette smoke, studies evaluating whether e-cigarettes are less harmful are inconclusive. The health impact of e-cigarettes for both users and nonusers cannot be determined with currently available data, and there are both environmental concerns and issues regarding nonuser exposure. Most of the currently available data related to the health effects of e-cigarettes do not evaluate their effects on the general population and evidence regarding the systemic health effects of e-cigarettes is limited. In addition, there has been a recent rise in vaping-related lung injuries. Therefore, the detrimental effects of e-cigarette use should be further investigated, and every effort should be made to increase public awareness of the harmful effects of e-cigarettes.
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ORIGINAL ARTICLES Top

The effect of diagnostic assessment programs on the diagnosis and treatment of patients with lung cancer in Ontario, Canada p. 81
Steven Habbous, Yasir Khan, Deanna L Langer, Melissa Kaan, Bo Green, Katharina Forster, Gail Darling, Claire M. B Holloway
DOI:10.4103/atm.ATM_283_20  
INTRODUCTION: Diagnostic assessment programs (DAPs) were implemented in Ontario, Canada, to improve the efficiency of the lung cancer care continuum. We compared the efficiency and effectiveness of care provided to patients in DAPs relative to usual care (non-DAPs). METHODS: Lung cancer patients diagnosed between 2014 and 2016 were identified from the Ontario Cancer Registry. Using administrative databases, we identified various health-care encounters 6 months before diagnosis until the start of treatment and compared utilization patterns, timing, and overall survival between DAP and non-DAP patients. RESULTS: DAP patients were younger (P < 0.0001), had fewer comorbidities (P = 0.0006), and were more likely to have early-stage disease (36% vs. 25%) than non-DAP patients. Although DAP patients had a similar time until diagnosis as non-DAP patients, the time until treatment was 8.5 days shorter for DAP patients. DAP patients were more likely to receive diagnostic tests and specialist consultations and less likely to have duplicate chest imaging. DAP patients were more likely to receive brain imaging. Among early-stage lung cancers, brain imaging was high (74% for DAP and 67% for non-DAP), exceeding guideline recommendations. After adjustment for clinical and demographic factors, DAP patients had better overall survival than non-DAP patients (hazard ratio [HR]: 0.79 [0.76–0.82]), but this benefit was lost after adjusting for emergency presentation (HR: 0.96 [0.92–1.00]). A longer time until treatment was associated with better overall survival. Conclusion: DAPs provided earlier treatment and better access to care, potentially improving survival. Quality improvement opportunities include reducing unnecessary or duplicate testing and characterizing patients who are diagnosed emergently.
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Diagnostic yield of electromagnetic navigational bronchoscopy: A safety net community-based hospital experience in the United States p. 102
Sujith V Cherian, Saranjit Kaur, Siddharth Karanth, Jonathan Z Xian, Rosa M Estrada-Y-Martin
DOI:10.4103/atm.ATM_388_20  
INTRODUCTION: Electromagnetic navigational bronchoscopy (ENB) is an excellent tool to diagnose peripheral pulmonary nodules, especially in the setting of emphysema and pulmonary fibrosis. However, most of these procedures are done by interventional pulmonologists and academic tertiary centers under general anesthesia. Studies evaluating the diagnostic utility of this tool in safety-net community hospitals by pulmonologists not formally trained in this technology are lacking. The objective was to evaluate the diagnostic yield of ENB done in such a setting and its associated complications. METHODS: Retrospective chart review of consecutive ENB procedures over 5 years from 2014, since its inception in our institution-a safety-net community based hospital was performed. Multiple variables were analyzed to assess their impact on diagnostic yields. RESULTS: After exclusion criteria were applied, 72 patients with 76 procedures were eventually included within our study, with an overall 1-year diagnostic yield of 80.2%. Sensitivity for malignancy was 73% and negative predictive value of 65%. Primary lung cancer was the most common diagnosis obtained, followed by tuberculosis (TB). The overall complication rates were low, with only 1 patient (1.3%) requiring hospitalization due to pneumothorax needing tube thoracostomy. No deaths or respiratory failures were noted within the cohort. The only significant variable affecting diagnostic yield was forced expiratory volume in 1 s. The presence of emphysema did not affect diagnostic yield. CONCLUSIONS: ENB is safe and feasible with a high diagnostic success rate even when performed by pulmonologists not formally trained in interventional pulmonology in low resource settings under moderate sedation.
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Performance of semi-quantitative lung ultrasound in the assessment of disease severity in interstitial lung disease p. 110
Ishan Kumar, Zeeshan Siddiqui, Ashish Verma, Aarushi Chokhani, Govind Narayan Srivastava, Ram C Shukla
DOI:10.4103/atm.ATM_145_20  
BACKGROUND: Accurate staging of disease severity and its serial monitoring thus is central to the effective management protocols of interstitial lung disease (ILD). PURPOSE: The aim is to evaluate the effectiveness of semi-quantitative parameters of lung ultrasound (LUS) in patients of ILD as a means of staging disease severity. MATERIALS AND METHODS: LUS of 47 patients of ILD and 20 age-matched controls was performed, and findings such as B-line distance, pleural thickening, subpleural changes, decreased lung sliding, and fragmented pleural lining were charted, and an LUS score was done using these parameters. Findings were compared with the Modified Medical Research Council (MMRC) dyspnea grade and spirometry parameters. RESULTS: The presence of B-lines and fragmented pleural lining were the most common findings observed in patients of ILD. Predicted forced vital capacity (FVC) and predicted forced expiratory volume in 1 s (FEV1) showed a good correlation with all the LUS parameters. B-line distance was the most significant LUS parameter to predict the variability in predicted FEVI, FVC, and MMRC dyspnea score. LUS severity score also showed good negative correlation with predicted FEV1 (r = −0.674, P < 0.001) and predicted FVC (r = −0.65, P < 0.001). LUS severity score of 4 or more predicted MMRC dyspnea score of > 3 with 82% sensitivity and 70% specificity. CONCLUSION: Semi-quantitative LUS score and B-line distance can provide a simple but effective estimate of disease severity in ILD.
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Comparison of typical and atypical computed tomography patterns regarding reversibility and fibrosis in pulmonary sarcoidosis p. 118
Seher Susam, Fatma Demirci Ucsular, Enver Yalniz, Akin Cinkooglu, Gulru Polat, Berna Eren Komurcuoglu, Ceyda Anar, Gulistan Karadeniz, Ali Kadri Cirak, Emel Tellioglu, Filiz Guldaval, Mine Gayaf, Nimet Aksel, Ozgur Batum, Dursun Alizoroglu, Semra Bilaceroglu
DOI:10.4103/atm.ATM_187_20  
PURPOSE: This study aims to investigate whether there is a significant difference between typical and atypical parenchymal patterns in the development of fibrosis, which is the most crucial factor affecting morbidity in pulmonary sarcoidosis. METHODS: In our hospital, 145 cases with Siltzbach Types 2 and 3 sarcoidoses diagnosed by clinical, radiological, and histopathologic were retrospectively investigated. Perilymphatic nodules, accompanying mosaic attenuation, and interlobular septal thickening and central peribronchovascular bunch-like thickening on high-resolution computed tomography were assessed as typical. Solid nodules, galaxy finding, consolidation, ground-glass opacity, isolated mosaic attenuation, and interlobular septal thickening, and pleural fluid were accepted as atypical findings. Findings indicating fibrosis were fine and rough reticular opacity, traction bronchiectasis, volume loss, and cystic changes. For the analysis of variables, SPSS 25.0 program was used. RESULTS: Ten (16%) of the 61 cases with typical findings and 16 (19%) of the 84 with atypical findings developed fibrosis (P = 0.827). The mean age of cases with fibrosis was higher. With the cut-off of 50 years, sensitivity was 61.5%, and specificity was 68.9%. The highest fibrosis rate was in cases with ground glass pattern (n = 7/17), whereas higher reversibility rates were in those with miliary pattern (n = 9/12) and galaxy sign (n = 5/6). CONCLUSION: The incidence of fibrosis is higher in the atypical group with no significant difference. The incidence of fibrosis differs in each atypical pattern, being highest in ground-glass opacity and lowest in the miliary pattern.
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LETTER TO THE EDITOR Top

Need for a systems integration methodology for effective implementation of simulation-based training p. 126
Peter Anto Johnson, John Christy Johnson
DOI:10.4103/atm.ATM_518_20  
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