All Stories

  1. Clinical characteristics, outcomes, and factors associated with mortality in Nocardia pneumonia: 18 years' real-world data from a tertiary care hospital in Karachi, Pakistan

    Article • Respiratory Investigation, March 2023, Elsevier

    Muhammad Irfan

  2. Post-COVID-19 Pneumocystis pneumonia cases from Pakistan: an observational study

    Article • Access Microbiology, January 2023, Society for General Microbiology

    Muhammad Irfan

  3. Factors predicting mortality among patients with COVID-19 associated hospital acquired pneumonia: Insights from a tertiary care center

    Article • Monaldi Archives for Chest Disease, December 2022, PAGEPress Publications

    Muhammad Irfan

  4. <xhtml:span xmlns:xhtml="http://www.w3.org/1999/xhtml" xml:lang="en">Comparison of diagnostic accuracy of Xpert MTB/RIF and Geno type MTBDRplus line probe assay for diagnosis of tuberculous pleural effusion </xhtml:span>

    Article • December 2022, Society for General Microbiology

    Muhammad Irfan

  5. Tuberculosis and diabetes mellitus: Relating immune impact of co-morbidity with challenges in disease management in high burden countries

    Article • Journal of Clinical Tuberculosis and Other Mycobacterial Diseases, December 2022, Elsevier

    Muhammad Irfan

  6. Post COVID-19 sequelae of the respiratory system. A single center experience reporting the compromise of the airway, alveolar and vascular components

    Article • Monaldi Archives for Chest Disease, October 2022, PAGEPress Publications

    Muhammad Irfan

  7. Clinical features, microbiology and lung function in post-TB bronchiectasis compared to other aetiologies

    Article • The International Journal of Tuberculosis and Lung Disease, October 2022, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  8. Differences in gender perception of smokeless tobacco

    Article • The International Journal of Tuberculosis and Lung Disease, August 2022, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  9. Indoor Air Pollution and Respiratory Health in a Metropolitan City of Pakistan

    Article • Journal of Occupational and Environmental Medicine, June 2022, Wolters Kluwer Health

    Muhammad Irfan

  10. Treatment outcome definitions for chronic pulmonary aspergillosis

    Article • European Respiratory Journal, March 2022, European Respiratory Society (ERS)

    Helmut Salzer, Muhammad Irfan

  11. The effect of ivermectin on non-severe and severe COVID-19 disease and gender-based difference of its effectiveness

    Article • Monaldi Archives for Chest Disease, January 2022, PAGEPress Publications

    Muhammad Irfan

  12. Latent M. tuberculosis infection is associated with increased inflammatory cytokine and decreased suppressor of cytokine signalling (SOCS)‐3 in the diabetic host

    Article • Scandinavian Journal of Immunology, December 2021, Wiley

    Muhammad Irfan

  13. Pesticides Use and Impaired Lung Function Among Male Agricultural Farmers in Rural Sindh, Pakistan

    Article • Asia Pacific Journal of Public Health, December 2021, SAGE Publications

    Muhammad Irfan

  14. Allergic bronchopulmonary aspergillosis misdiagnosed as smear negative pulmonary tuberculosis; a retrospective study from Pakistan

    Article • Annals of Medicine and Surgery, December 2021, Wolters Kluwer Health

    Muhammad Irfan

  15. Post tuberculosis radiological sequelae in patients treated for pulmonary and pleural tuberculosis at a tertiary center in Pakistan

    Article • Monaldi Archives for Chest Disease, August 2021, PAGEPress Publications

    Muhammad Irfan

  16. Diagnostic dilemma in COVID-19-associated pulmonary aspergillosis

    Article • The Lancet Infectious Diseases, June 2021, Elsevier

    Muhammad Irfan

  17. Chronic airflow obstruction and ambient particulate air pollution

    Article • Thorax, May 2021, BMJ

    Muhammad Irfan

  18. Respiratory pathogens in patients with acute exacerbation of non-cystic fibrosis bronchiectasis from a developing country

    Article • Monaldi Archives for Chest Disease, April 2021, PAGEPress Publications

    Muhammad Irfan

  19. Post COVID-19 tuberculosis: An emerging threat of pandemic

    Article • Monaldi Archives for Chest Disease, March 2021, PAGEPress Publications

    Muhammad Irfan

  20. Prevalence of and risk factors for respiratory symptoms in an adult urban population

    Article • The International Journal of Tuberculosis and Lung Disease, January 2021, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  21. COVID-19 Associated Interstitial Lung Disease - An Emerging Entity

    Article • December 2020, Research Square

    Muhammad Irfan

  22. “Allergic Bronchopulmonary Aspergillosis: Radiological and Microbiological Profile of Patients Presented in an Outpatient Pulmonary Clinic of a Developing Country”.

    Article • November 2020, Research Square

    Muhammad Irfan

  23. Invasive pulmonary aspergillosis in patients with severe influenza

    Article • The International Journal of Tuberculosis and Lung Disease, November 2020, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  24. Aspergillus fumigatus and Aspergillus flavus-Specific IgG Cut-Offs for the Diagnosis of Chronic Pulmonary Aspergillosis in Pakistan

    Article • Journal of Fungi, October 2020, MDPI AG

    Muhammad Irfan

  25. Alternate diagnosis in clinically diagnosed pulmonary tuberculosis patients treated at tertiary care hospital in a high TB burden country

    Article • September 2020, European Respiratory Society (ERS)

    Muhammad Irfan

  26. Clinical characteristics and outcomes of patients with H1N1 influenza pneumonia admitted at a tertiary care hospital in Karachi, Pakistan

    Article • Pneumonia, July 2020, Springer Science + Business Media

    Muhammad Irfan

  27. Factors predicting in‐hospital mortality among patients admitted with community acquired pneumonia at a tertiary care hospital Karachi, Pakistan

    Article • The Clinical Respiratory Journal, April 2020, Wiley

    Muhammad Irfan

  28. Underlying Conditions and Clinical Spectrum of Chronic Pulmonary Aspergillosis (CPA): An Experience from a Tertiary Care Hospital in Karachi, Pakistan

    Article • Journal of Fungi, March 2020, MDPI AG

    Muhammad Irfan

  29. Etiology, Clinical, Radiological, and Microbiological Profile of Patients with Non-cystic Fibrosis Bronchiectasis at a Tertiary Care Hospital of Pakistan

    Article • Cureus, March 2020, Cureus, Inc.

    Muhammad Irfan

  30. Commemorating World TB Day 2020: “IT’S TIME” — It’s time to End the Global TB Epidemic

    Article • International Journal of Infectious Diseases, March 2020, Elsevier

    Muhammad Irfan

  31. Post tuberculosis treatment infectious complications

    Article • International Journal of Infectious Diseases, March 2020, Elsevier

    Muhammad Irfan

  32. Accuracy of genotype MTBDRplus line probe assay in patients with tuberculous pleural effusion: comparison with clinical and culture based diagnosis

    Article • Infectious Diseases, December 2019, Taylor & Francis

    Muhammad Irfan

  33. International prevalence and risk factors evaluation for drug-resistant Streptococcus pneumoniae pneumonia

    Article • Journal of Infection, October 2019, Elsevier

    Muhammad Irfan

  34. Prevalence and risk factors for Enterobacteriaceae in patients hospitalized with community‐acquired pneumonia

    Article • Respirology, August 2019, Wiley

    Dr Pedro J Marcos, Muhammad Irfan

  35. Visual and treatment outcomes of tubercular uveitis: a prospective case series from a referral hospital in Pakistan

    Article • BMC Research Notes, July 2019, Springer Science + Business Media

    Muhammad Irfan

  36. Utility of the microcolony method for evaluation of multidrug-resistant tuberculosis patients in Karachi, Pakistan

    Article • The International Journal of Tuberculosis and Lung Disease, July 2019, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  37. An international perspective on hospitalized patients with viral community-acquired pneumonia

    Article • European Journal of Internal Medicine, February 2019, Elsevier

    Dr Pedro J Marcos, Dr CATIA CILLONIZ, Muhammad Irfan

  38. Epidemiology of asthma and associated factors in an urban Pakistani population: adult asthma study-Karachi

    Article • BMC Pulmonary Medicine, December 2018, Springer Science + Business Media

    Muhammad Irfan

  39. Microbiological testing of adults hospitalised with community-acquired pneumonia: an international study

    Article • ERJ Open Research, October 2018, European Respiratory Society (ERS)

    Muhammad Irfan

  40. Post tuberculosis sequelae in patients treated for tuberculosis: An observational study at a tertiary care center of a high TB burden country

    Article • September 2018, European Respiratory Society (ERS)

    Muhammad Irfan

  41. Prevalence and Etiology of Community-acquired Pneumonia in Immunocompromised Patients

    Article • Clinical Infectious Diseases, August 2018, Oxford University Press (OUP)

    Dr Pedro J Marcos, Muhammad Irfan

  42. Case Definition of Chronic Pulmonary Aspergillosis in Resource-Constrained Settings

    Article • Emerging Infectious Diseases, August 2018, Centers for Disease Control and Prevention (CDC)

    Muhammad Irfan

  43. Burden and risk factors forPseudomonas aeruginosacommunity-acquired pneumonia: a multinational point prevalence study of hospitalised patients

    Article • European Respiratory Journal, July 2018, European Respiratory Society (ERS)

    Dr Marcos I. Restrepo, Dr CATIA CILLONIZ, Dr Pedro J Marcos, Muhammad Irfan

  44. Disseminated hydatid cyst of liver and lung

    Article • BMJ Case Reports, November 2017, BMJ

    Muhammad Irfan

  45. Case of undiagnosed pneumocystis pneumonia (PCP)

    Article • BMJ Case Reports, October 2017, BMJ

    Muhammad Irfan

  46. Association of hypercapnia on admission with increased length of hospital stay and severity in patients admitted with community-acquired pneumonia: a prospective observational study from Pakistan

    Article • BMJ Open, June 2017, BMJ

    Muhammad Irfan

  47. Clinical characteristics and factors associated with mortality in idiopathic pulmonary fibrosis: An experience from a tertiary care center in Pakistan

    Article • The Clinical Respiratory Journal, May 2017, Wiley

    Muhammad Irfan

  48. Chronic pulmonary mucormycosis: an emerging fungal infection in diabetes mellitus

    Article • Journal of Thoracic Disease, February 2017, AME Publishing Company

    Muhammad Irfan

  49. Diagnostic performance of genoType® MTBDRplus line probe assay in bronchoalveolar lavage for pulmonary tuberculosis diagnosis in sputum scarce and smear-negative patients

    Article • International Journal of Mycobacteriology, January 2017, Medknow

    Muhammad Irfan

  50. Global initiative for meticillin-resistant Staphylococcus aureus pneumonia (GLIMP): an international, observational cohort study

    Article • The Lancet Infectious Diseases, December 2016, Elsevier

    Dr Pedro J Marcos, Muhammad Irfan

  51. Clinical manifestations and outcomes of pulmonary aspergillosis: experience from Pakistan

    Article • BMJ Open Respiratory Research, December 2016, BMJ

    Muhammad Irfan

  52. Endobronchial tuberculosis—a review

    Article • Journal of Thoracic Disease, December 2016, AME Publishing Company

    Muhammad Irfan

  53. Assessment of diabetes among tuberculosis patients presenting at a tertiary care facility in Pakistan

    Article • International Journal of Mycobacteriology, December 2016, Medknow

    Muhammad Irfan

  54. Increased Mycobacterium tuberculosis antigen-induced gene expression of interferon-gamma, tumor necrosis factor alpha and interleukin-6 in patients with diabetes

    Article • International Journal of Mycobacteriology, December 2016, Medknow

    Muhammad Irfan

  55. Post-tuberculosis pulmonary function and noninfectious pulmonary disorders

    Article • International Journal of Mycobacteriology, December 2016, Medknow

    Muhammad Irfan

  56. Behaviour change intervention for smokeless tobacco cessation: its development, feasibility and fidelity testing in Pakistan and in the UK

    Article • BMC Public Health, June 2016, Springer Science + Business Media

    Muhammad Irfan

  57. Reasons for failure to quit: a cross-sectional survey of tobacco use in major cities in Pakistan

    Article • The International Journal of Tuberculosis and Lung Disease, May 2016, International Union Against Tuberculosis and Lung Disease

    Muhammad Irfan

  58. Prevalence of tobacco use among women: a cross sectional survey from a squatter settlement of Karachi, Pakistan

    Article • BMC Research Notes, September 2015, Springer Science + Business Media

    Muhammad Irfan

  59. Pulmonary scedosporiosis mimicking aspergilloma in an immunocompetent host: a case report and review of the literature

    Article • Infection, September 2015, Springer Science + Business Media

    Dr Kauser Jabeen, Muhammad Irfan

  60. Endobronchial tuberculosis presented as multiple endobronchial vesicular lesions

    Article • International Journal of Mycobacteriology, June 2015, Medknow

    Muhammad Irfan

  61. Sarcoidosis presented as retroperitoneal and lung mass

    Article • BMJ Case Reports, March 2015, BMJ

    Muhammad Irfan

  62. Compliance with continuous positive airway pressure (CPAP) therapy for obstructive sleep apnea among privately paying patients- a cross sectional study

    Article • BMC Pulmonary Medicine, November 2014, Springer Science + Business Media

    Muhammad Irfan

  63. Differential Early Secreted Antigen Target (ESAT) 6 kDa–induced IFN-γ and SOCS1 expression distinguishes latent and active tuberculosis

    Article • The Journal of Infection in Developing Countries, January 2014, Journal of Infection in Developing Countries

    Muhammad Irfan

  64. Death certificate completion skills of hospital physicians in a developing country

    Article • BMC Health Services Research, June 2013, Springer Science + Business Media

    Muhammad Irfan

  65. Community-acquired pneumonia

    Article • Current Opinion in Pulmonary Medicine, May 2013, Wolters Kluwer Health

    Muhammad Irfan

  66. Factors Associated within 28 Days In-Hospital Mortality of Patients with Acute Respiratory Distress Syndrome

    Article • BioMed Research International, January 2013, Hindawi Publishing Corporation

    Muhammad Irfan

  67. BCG vaccination is associated with decreased severity of tuberculosis in Pakistan

    Article • International Journal of Mycobacteriology, December 2012, Medknow

    Muhammad Irfan

  68. Pulmonary functions in patients with diabetes mellitus

    Article • Lung India, January 2011, Medknow

    Muhammad Irfan

  69. The Efficacy of Spirometry as a Screening Tool in Detection of Air Flow Obstruction

    Article • The Open Respiratory Medicine Journal, June 2010, Bentham Science Publishers

    Muhammad Irfan

  70. CCL2 Responses to Mycobacterium tuberculosis Are Associated with Disease Severity in Tuberculosis

    Article • PLoS ONE, December 2009, PLOS

    Muhammad Irfan

  71. Differential Live Mycobacterium tuberculosis-, M. bovis BCG-, Recombinant ESAT6-, and Culture Filtrate Protein 10-Induced Immunity in Tuberculosis

    Article • Clinical and Vaccine Immunology, May 2009, ASM Journals

    Muhammad Irfan

  72. Rapidly progressive cryptogenic organising pneumonia presenting as a lung mass

    Article • BMJ Case Reports, April 2009, BMJ

    Muhammad Irfan

  73. Relationship between Circulating Levels of IFN-γ, IL-10, CXCL9 and CCL2 in Pulmonary and Extrapulmonary Tuberculosis is Dependent on Disease Severity

    Article • Scandinavian Journal of Immunology, March 2009, Wiley

    Muhammad Irfan

  74. Drug susceptibility pattern of Mycobacterium tuberculosis in adult patients with miliary tuberculosis

    Article • Tropical Doctor, July 2007, SAGE Publications

    Muhammad Irfan