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Kamonpun Ussavarungsi, Ryan M Kern, Anja C Roden, Jay H Ryu, Eric S Edell
BACKGROUND: Diagnostic evaluation of patients with diffuse parenchymal lung disease (DPLD) is best achieved by a multidisciplinary team correlating clinical, radiologic, and pathologic features. Surgical lung biopsies remain the gold standard for histopathologic diagnosis of idiopathic interstitial pneumonias. Emerging data suggest an increasing role for transbronchial cryobiopsy (TBC) in DPLD evaluation. We describe our experience with TBC in patients with DPLD. METHODS: We retrospectively reviewed medical records of patients with radiographic features of DPLD who underwent TBC at Mayo Clinic, Rochester, Minnesota in June 2013-September 2015...
September 19, 2016: Chest
Somnath Bhattacharya, Atin Dey, Sayantan Saha, Saurav Kar
A 42-year-old housewife, the resident of rural part of West Bengal, presented with gradually progressive exertional dyspnea associated with a dry cough for last 3 years clinical features were suggestive of diffuse parenchymal lung disease (DPLD). Her chest X-ray posteroanterior view and high resolution computed tomography scan of the thorax showed bilateral patchy ground glass opacities and reticulonodular pattern. Search for the etiology revealed classical skin findings of chronic arsenic exposure in the form of generalized darkening and thickening of skin and keratotic lesions over the palms and soles and classical raindrop pigmentation over leg which was present for last 7 years subsequently her bronchoalveolar lavage fluid, hair, nail, and drinking water showed significant amount of arsenic contamination...
September 2016: Lung India: Official Organ of Indian Chest Society
Kamonpun Ussavarungsi, Augustine S Lee, Charles D Burger
OBJECTIVES: Pulmonary hypertension (PH) is commonly observed in patients with diffuse parenchymal lung disease (DPLD). The purpose of this study was to explore the influence of the 6-minute walk test (6MWT) as a simple, non-invasive tool to assess right ventricular (RV) function in patients with DPLD and to identify the need for an echocardiogram (ECHO) to screen for PH. METHODS: We retrospectively reviewed 48 patients with PH secondary to DPLD, who were evaluated in the PH clinic at the Mayo Clinic in Jacksonville, Florida, from January 1999 to December 2014...
September 2016: Oman Medical Journal
Oksana A Shlobin, A Whitney Brown, Steven D Nathan
Pulmonary hypertension (PH) can be triggered by any number of disease processes that result in increased pulmonary vascular resistance. Although historically associated with idiopathic pulmonary arterial hypertension (iPAH), the majority of patients with PH do not have the idiopathic subtype, but rather PH associated with another underlying diagnosis, such as left heart or lung disease. The World Health Organization (WHO) classification of PH helps conceptualize the different categories based on presumed etiology...
August 20, 2016: Chest
José Javier Echevarria-Uraga, Julio Pérez-Izquierdo, Nerea García-Garai, Estíbaliz Gómez-Jiménez, Amaia Aramburu-Ojembarrena, Luis Tena-Tudanca, José L Miguélez-Vidales, Alberto Capelastegui-Saiz
BACKGROUND AND OBJECTIVE: Transbronchial cryobiopsy (TBCB) is a technique in which frozen samples of lung are obtained using a probe inserted through a bronchoscope. We performed a retrospective study to assess the performance of the TBCB procedure complemented by segmental bronchial blockade using an angioplasty balloon, in terms of diagnostic yield and safety in diffuse parenchymal lung disease (DPLD). METHODS: Data from 100 patients with suspected DPLD (clinical and radiological findings), who underwent TBCB in our institution to establish a definitive diagnosis, were reviewed...
August 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
Parthasarathi Bhattacharyya, Dipanjan Saha, Pratyaya Deep Bhattacherjee, Soumen Kumar Das, Pinak Pani Bhattacharyya, Ratna Dey
BACKGROUND: Pulmonary tuberculosis is not listed as a cause of pulmonary hypertension (PH). Scanty information is available in the literature regarding this issue. METHODS: A group of patients with a history of pulmonary tuberculosis were diagnosed to have PH on the basis of a novel clinico-radio-echocardiographic criteria. Subdivided into two groups on the basis of the history of smoking, we looked for their demographic, spirometric, radiological characteristics along with the quality of life assessment...
March 2016: Lung India: Official Organ of Indian Chest Society
Thomas Bahmer, Micaela Romagnoli, Francesco Girelli, Martin Claussen, Klaus F Rabe
Interstitial lung diseases (ILD), also defined as diffuse parenchymal lung diseases (DPLD) include a heterogeneous group of pulmonary disorders. They may be caused by an underlying connective tissue disease (CTD), Rheumatoid Arthritis (RA) or ANCA-associated Vasculitis (AAV). Pulmonary manifestations of these conditions may also precede systemic onset and therefore, pulmonologists may be confronted with diagnosing a systemic rheumatic disease. For the discrimination of CTD-related ILD and idiopathic interstitial pneumonia (IIP), serological testing is recommended...
April 2016: Respiratory Medicine
Anuradha Ramaswamy, Robert Homer, Jonathan Killam, Margaret A Pisani, Terrence E Murphy, Katy Araujo, Jonathan Puchalski
BACKGROUND: Diffuse parenchymal lung diseases (DPLDs) are common. An accurate diagnosis is essential due to differences in etiology, clinicopathologic features, therapeutic options, and prognosis. Transbronchial lung biopsies (TBLBs) are often limited by small specimen size, crush artifact, and other factors. Transbronchial lung cryobiopsies (TBLCs) are under investigation to overcome these limitations. METHODS: We conducted a retrospective study of 56 patients in a single, tertiary-care academic center to compare the yield of both techniques when performed in the same patient...
January 2016: Journal of Bronchology & Interventional Pulmonology
Jun Qi, Shengyun Shang, Zhenhua Li, Jian Kang, Lingfei Kong
OBJECTIVE: To study the prevalence and characteristics of gastroesophageal reflux disease (GERD) in patients with idiopathic pulmonary fibrosis (IPF). METHODS: A total of 48 patients with diffuse parenchymal lung disease (DPLD) including 25 IPF and 23 other DPLD were enrolled from Department of Respiratory Disease in the First Affiliated Hospital of China Medical University. All patients were subjected to 24-hour esophageal pH monitoring. Pulmonary function test and HRCT of lung were performed at the same time...
August 2015: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
Cuneyt Salturk, Zuhal Karakurt, Huriye Berk Takir, Merih Balci, Feyza Kargin, Ozlem Yazıcıoglu Mocin, Gokay Gungor, Ipek Ozmen, Selahattin Oztas, Murat Yalcinsoy, Ruya Evin, Murat Ozturk, Nalan Adiguzel
INTRODUCTION: The objective of this study was to compare the change in 6-minute walking distance (6MWD) in 1 year as an indicator of exercise capacity among patients undergoing home non-invasive mechanical ventilation (NIMV) due to chronic hypercapnic respiratory failure (CHRF) caused by different etiologies. METHODS: This retrospective cohort study was conducted in a tertiary pulmonary disease hospital in patients who had completed 1-year follow-up under home NIMV because of CHRF with different etiologies (ie, chronic obstructive pulmonary disease [COPD], obesity hypoventilation syndrome [OHS], kyphoscoliosis [KS], and diffuse parenchymal lung disease [DPLD]), between January 2011 and January 2012...
2015: International Journal of Chronic Obstructive Pulmonary Disease
Girish Sindhwani, Nadia Shirazi, Rakhee Sodhi, Shailendra Raghuvanshi, Jagdish Rawat
BACKGROUND: Diffuse parenchymal lung diseases (DPLD) are a group of disorders characterized by chest radiological findings of bilateral diffuse shadowing. Lung biopsy is generally required to make an etiological diagnosis of DPLD's. Transbronchial lung biopsy (TBLB) is a minimally invasive method to achieve a lung sample which has been found to be a useful diagnostic tool in patients with DPLD. As per American Thoracic Society guidelines for management of idiopathic interstitial pneumonias, TBLB is not required in patients who have findings consistent with idiopathic pulmonary fibrosis (IPF) on HRCT scan thorax...
September 2015: Lung India: Official Organ of Indian Chest Society
Athanasios Papathanasiou, George Nakos
Pulmonary hypertension (PH) is a condition characterized by the elevation of the mean pulmonary artery pressure above 25 mmHg and the pulmonary vascular resistance above 3 wood units. Pulmonary arterial hypertension (PAH) is an uncommon condition with severe morbidity and mortality, needing early recognition and appropriate and specific treatment. PH is frequently associated with hypoxemia, mainly chronic obstructive pulmonary disease and DPLD and/or left heart diseases (LHD), mainly heart failure with reduced or preserved ejection fraction...
November 4, 2015: World Journal of Critical Care Medicine
Matthias Griese, Armin Irnstetter, Meike Hengst, Helen Burmester, Felicitas Nagel, Jan Ripper, Maria Feilcke, Ingo Pawlita, Florian Gothe, Matthias Kappler, Andrea Schams, Traudl Wesselak, Daniela Rauch, Thomas Wittmann, Peter Lohse, Frank Brasch, Carolin Kröner
BACKGROUND: Aim of this study was to verify a systematic and practical categorization system that allows dynamic classification of pediatric DPLD irrespective of completeness of patient data. METHODS: The study was based on 2322 children submitted to the kids-lung-register between 1997 and 2012. Of these children 791 were assigned to 12 DPLD categories, more than 2/3 belonged to categories manifesting primarily in infancy. The work-flow of the pediatric DPLD categorization system included (i) the generation of a final working diagnosis, decision on the presence or absence of (ii) DPLD and (iii) a systemic or lung only condition, and (iv) the allocation to a category and subcategory...
2015: Orphanet Journal of Rare Diseases
Jean Pastre, Laurent Plantier, Carole Planes, Raphaël Borie, Hilario Nunes, Christophe Delclaux, Dominique Israël-Biet
BACKGROUND: DLCO is the product of the CO transfer coefficient (KCO) by the "accessible" alveolar volume (VA). In theory, the same DLCO may result from various combinations of KCO and VA values, each of which reflect different injury sites and mechanisms. We sought to determine in this study the potential variability of both VA and KCO for fixed values of DLCO in diffuse parenchymal lung diseases (DPLD). METHODS: To this end, we designed a retrospective, cross-sectional study of three distinct types of DPLD and analysed pulmonary function test (PFT) datasets...
2015: BMC Pulmonary Medicine
Anirban Ghosh, Avinandan Banerjee, Amlan Kanti Biswas
AIM: This study was undertaken to find out the characteristics of clinical, radiological and functional changes affecting the respiratory system in patients with systemic sclerosis (SSc) from eastern India, and the association of these characteristics with pulmonary hypertension. METHODS: This was a cross-sectional, observational study involving 46 patients. Other than the routine tests, anti-nuclear antibody (ANA), spirometry, diffusing capacity of lung for carbon monoxide (DLCO) measurement, chest radiograph, high-resolution computed tomography (HRCT) of thorax, 6-minute walk test and echocardiography were done...
October 2014: Indian Journal of Chest Diseases & Allied Sciences
Parthasarathi Bhattacharyya, Ashok Mondal, Rana Dey, Dipanjan Saha, Goutam Saha
BACKGROUND AND OBJECTIVE: Auscultation is an important part of the clinical examination of different lung diseases. Objective analysis of lung sounds based on underlying characteristics and its subsequent automatic interpretations may help a clinical practice. METHODS: We collected the breath sounds from 8 normal subjects and 20 diffuse parenchymal lung disease (DPLD) patients using a newly developed instrument and then filtered off the heart sounds using a novel technology...
May 2015: Respirology: Official Journal of the Asian Pacific Society of Respirology
Ralf Zarbock, Eva Kaltenborn, Sabrina Frixel, Thomas Wittmann, Gerhard Liebisch, Gerd Schmitz, Matthias Griese
Diffuse parenchymal lung diseases (DPLDs) are characterized by chronic inflammation and fibrotic remodeling of the interstitial tissue. A small fraction of DPLD cases can be genetically defined by mutations in certain genes, with ABCA3 being the gene most commonly affected. However, the pathomechanisms underlying ABCA3-induced DPLD are far from clear. To investigate whether ABCA3 plays a role in cellular cholesterol homeostasis, phospholipids, free cholesterol, and cholesteryl esters were quantified in cells stably expressing ABCA3 using mass spectrometry...
July 2015: Biochimica et Biophysica Acta
Werner Seeger, Yochai Adir, Joan Albert Barberà, Hunter Champion, John Gerard Coghlan, Vincent Cottin, Teresa De Marco, Nazzareno Galiè, Stefano Ghio, Simon Gibbs, Fernando J Martinez, Marc J Semigran, Gerald Simonneau, Athol U Wells, Jean-Luc Vachiéy
Chronic obstructive lung disease (COPD) and diffuse parenchymal lung diseases (DPLD), including idiopathic pulmonary fibrosis (IPF) and sarcoidosis, are associated with a high incidence of pulmonary hypertension (PH), which is linked with exercise limitation and a worse prognosis. Patients with combined pulmonary fibrosis and emphysema (CPFE) are particularly prone to the development of PH. Echocardiography and right heart catheterization are the principal modalities for the diagnosis of COPD and DPLD. For discrimination between group 1 PH patients with concomitant respiratory abnormalities and group 3 PH patients (PH caused by lung disease), patients should be transferred to a center with expertise in both PH and lung diseases for comprehensive evaluation...
October 2014: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Sonia Khirani, Nadia Nathan, Adriana Ramirez, Sabrina Aloui, Christophe Delacourt, Annick Clément, Brigitte Fauroux
Respiratory mechanics have been poorly studied in children with chronic diffuse parenchymal lung disease (DPLD). The aim of the study was to assess the usefulness of respiratory mechanics to monitor lung function alteration in children with DPLD. Respiratory mechanics, total (WOBt), elastic (WOBe) and resistive (WOBr) work of breathing, gas exchange, lung function and respiratory muscle strength were measured in 10 children, aged 1.8-18.4 years old, who were followed in our national reference centre. Mean tidal volume (Vt) was normal (11±4mL/kg) but respiratory rate (fr, 32±19breaths/min), fr/Vt (118±75breaths/min/L) and total lung resistance (10...
January 15, 2015: Respiratory Physiology & Neurobiology
Somenath Kundu, Subhra Mitra, Joydeep Ganguly, Subhasis Mukherjee, Souvik Ray, Ritabrata Mitra
OBJECTIVE: To evaluate the clinical spectrum of diffuse parenchymal lung diseases (DPLD) encountered in the Indian setting and to compare idiopathic pulmonary fibrosis (IPF) and connective tissue disease associated DPLD (CTD-DPLD), the two commonest aetiologies. MATERIALS AND METHODS: A prospective study of clinical, imaging and laboratory parameters of patients diagnosed as DPLD and followed up in the Pulmonary Medicine Department of a tertiary-care teaching institution in eastern India was conducted over a period of one year...
October 2014: Lung India: Official Organ of Indian Chest Society
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