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O. Irfan · SciRah

Researcher profile · Semantic Scholar

O. Irfan

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O. Irfan — researcher profile on SciRah

h-index: 17
Works: 83
Citations: 1,690

Most-cited papers

COVID-19 and multisystem inflammatory syndrome in children and adolescents
Li Jiang, K. Tang, M. Levin, O. Irfan +4 more
2020Lancet. Infectious Diseases (Print)636 citations Open access
Semantic Scholar
Clinical characteristics, treatment and outcomes of paediatric COVID-19: a systematic review and meta-analysis
O. Irfan, Fiona Muttalib, K. Tang, Li Jiang +2 more
2021Archives of Disease in Childhood181 citations Open access
Semantic Scholar
Impact of Infant and Young Child Feeding (IYCF) Nutrition Interventions on Breastfeeding Practices, Growth and Mortality in Low- and Middle-Income Countries: Systematic Review
Z. Lassi, Fahad Rind, O. Irfan, Rabia Hadi +2 more
2020Nutrients141 citations Open access
Semantic Scholar
Risk of infection and transmission of SARS-CoV-2 among children and adolescents in households, communities and educational settings: A systematic review and meta-analysis
O. Irfan, Jiang Li, K. Tang, Zhi-Cheng Wang +1 more
2021Journal of Global Health75 citations Open access
Semantic Scholar
What can work and how? An overview of evidence-based interventions and delivery strategies to support health and human development from before conception to 20 years.
Tyler Vaivada, Z. Lassi, O. Irfan, R. Salam +11 more
2022The Lancet72 citations Open access
Semantic Scholar
Current state of knowledge of basic life support in health professionals of the largest city in Pakistan: a cross-sectional study
Babar Irfan, I. Zahid, Muhammad Sharjeel Khan, Omar A. Khan +4 more
2019BMC Health Services Research55 citations Open access
Semantic Scholar
Epidemiology, Clinical Features, and Outcomes of Multisystem Inflammatory Syndrome in Children (MIS-C) and Adolescents—a Live Systematic Review and Meta-analysis
Li Jiang, Kun Tang, O. Irfan, Xuan Li +2 more
2022Current Pediatrics Reports52 citations Open access
Semantic Scholar
Effects of Preventive Nutrition Interventions among Adolescents on Health and Nutritional Status in Low- and Middle-Income Countries: A Systematic Review and Meta-Analysis
R. Salam, Jai K. Das, Wardah Ahmed, O. Irfan +2 more
2019Nutrients43 citations Open access
Semantic Scholar
Impact of Caregiving on Various Aspects of the Lives of Caregivers
Babar Irfan, O. Irfan, A. Ansari, W. Qidwai +1 more
2017Cureus40 citations Open access
Semantic Scholar
Knowledge, attitude and perception of Pakistanis towards COVID-19; a large cross-sectional survey
Z. Ladiwala, R. Dhillon, I. Zahid, O. Irfan +3 more
2021BMC Public Health36 citations Open access
Semantic Scholar
Electronic cigarettes use and perception amongst medical students: a cross sectional survey from Sindh, Pakistan
N. Iqbal, Zain A. Khan, Syed Muhammad Hamza Anwar, O. Irfan +5 more
2018BMC Research Notes28 citations Open access
Semantic Scholar
Residual symptoms and the quality of life in individuals recovered from COVID-19 infection: A survey from Pakistan
M. A. Qamar, R. Martins, R. Dhillon, Areeba Tharwani +5 more
2022Annals of Medicine and Surgery27 citations Open access
Semantic Scholar
Effects of preventive nutrition interventions among adolescents on health and nutritional status in low‐ and middle‐income countries: A systematic review
R. Salam, Jai K. Das, O. Irfan, Wardah Ahmed +2 more
2020Campbell Systematic Reviews26 citations Open access
Semantic Scholar
Acceptance of COVID-19 Vaccine in Pakistan: A Nationwide Cross-Sectional Study
M. A. Qamar, O. Irfan, R. Dhillon, Areesh Bhatti +6 more
2021Cureus25 citations Open access
Semantic Scholar
Correlation of TP53 Overexpression and Clinical Parameters with Five-Year Survival in Oral Squamous Cell Carcinoma Patients
S. Ali, H. A. Khan, O. Irfan, A. Samad +2 more
2017Cureus25 citations Open access
Semantic Scholar
The mystery of COVID-19 reinfections: A global systematic review and meta-analysis of 577 cases
R. Dhillon, M. A. Qamar, O. Irfan, J. Gilani +3 more
2021medRxiv22 citations Open access
Semantic Scholar
Mobile critical care recovery program (m-CCRP) for acute respiratory failure survivors: study protocol for a randomized controlled trial
S. Khan, Ashok Biju, Sophia Wang, Su-Juan Gao +11 more
2018Trials18 citations Open access
Semantic Scholar
Awareness, use and perceptions about E-cigarettes among adult smokers in Karachi, Pakistan.
M. Sarfraz, Hamza Abdur Rahim Khan, Amna Urooba, Zainab Manan +7 more
2018JPMA. The Journal of the Pakistan Medical Association15 citations
Semantic Scholar
Impact of single-pill combinations versus free-equivalent combinations on adherence and persistence in patients with hypertension and dyslipidemia: a systematic literature review and meta-analysis
A. Kengne, J. Briere, P. Le Nouveau, Petya Kodjamanova +4 more
2023Expert review of pharmacoeconomics & outcomes research13 citations Open access
Semantic Scholar
Mental Health and Positive Development Prevention Interventions: Overview of Systematic Reviews.
Leila Harrison, Naeha Sharma, O. Irfan, M. Zaman +2 more
2022Pediatrics13 citations
Semantic Scholar
Zinc Supplementation and the Prevention and Treatment of Sepsis in Young Infants: A Systematic Review and Meta-Analysis
O. Irfan, R. Black, Z. Lassi, Zulfiqar A. Bhutta
2022Neonatology13 citations Open access
Semantic Scholar
The mystery of COVID-19 reinfections: A global systematic review and meta-analysis
R. Dhillon, M. A. Qamar, J. Gilani, O. Irfan +3 more
2021Annals of Medicine and Surgery11 citations Open access
Semantic Scholar
Effect of raised body fat on vitamin D, leptin and bone mass.
Syeda Sadia Fatima, S. Farooq, M. Tauni, O. Irfan +1 more
2015JPMA. The Journal of the Pakistan Medical Association10 citations
Semantic Scholar
Epidemiology, Spectrum, and Impact of COVID-19 on Children, Adolescents, and Pregnant Women
O. Irfan, K. Tang, M. Arii, Zulfiqar A. Bhutta
20209 citations Open access
Semantic Scholar
Celiac disease associated with aplastic anemia in a 6-year-old girl: a case report and review of the literature
O. Irfan, Sana Z. Mahmood, Heera Nand, G. Billoo
2018Journal of Medical Case Reports9 citations Open access
Semantic Scholar
Quality of Life in Individuals Surgically Treated for Congenital Hydrocephalus During Infancy: A Single-Institution Experience.
S. Khan, M. F. Khan, S. Bakhshi, O. Irfan +4 more
2017World Neurosurgery9 citations Open access
Semantic Scholar
Impact of transcranial Doppler screening on stroke prevention in children and adolescents with sickle cell disease: A systematic review and meta-analysis.
Danielle Guy, Robert Bagnall, Rebecca L. Morgan, Ifeoluwa Babatunde +5 more
2024Blood reviews8 citations
Semantic Scholar
Electronic cigarettes use and perception amongst medical students: a cross sectional survey from Sindh, Pakistan
N. Iqbal, Zain A. Khan, Syed Muhammad Hamza Anwar, O. Irfan +5 more
2018BMC Research Notes7 citations Open access
Semantic Scholar
The role of artificial intelligence in gastroenterology: current perspectives and future directions—narrative review
M. Gangwani, Fnu Priyanka, O. Irfan, Fariha Hasan +10 more
2026Translational Gastroenterology and Hepatology6 citations Open access
Semantic Scholar
Point-of-care diagnostic test accuracy in children and adolescents with sickle cell disease: A systematic review and meta-analysis.
Robert Bagnall, Danielle Guy, Rebecca L. Morgan, Ifeoluwa Babatunde +5 more
2024Blood reviews6 citations Open access
Semantic Scholar
PROTOCOL: Effects of interventions for infant and young child feeding (IYCF) promotion on optimal IYCF practices, nutrition, growth and health in low‐ and middle‐income countries: a systematic review
Z. Lassi, O. Irfan, Rabia Hadi, Jai K. Das +1 more
2018Campbell Systematic Reviews5 citations Open access
Semantic Scholar
Prevalence and knowledge of electronic cigarettes amongst medical students, A cross sectional survey from Karachi, Pakistan
N. Iqbal, Zain A. Khan, Syed Muhammad Hamza Anwar, O. Irfan +5 more
20175 citations
Semantic Scholar
Knowledge about asthma: A cross-sectional survey in 4 major hospitals of Karachi, Pakistan.
O. Irfan, Babar Irfan, Zain A. Khan, Maha Tahir +2 more
2017JPMA. The Journal of the Pakistan Medical Association5 citations
Semantic Scholar
Knowledge, attitudes, practices, and prevalence of nicotine pouches in Pakistan: where do we stand?
Muhammad Talha Nawaz, A. Hameed, F. Yasin, Meher Angez +3 more
2023International Journal of Community Medicine and Public Health4 citations Open access
Semantic Scholar
A global systematic review and meta-analysis on the emerging evidence on risk factors, clinical characteristics, and prognosis of multisystem inflammatory syndrome in adults (MIS-A)
M. A. Qamar, Syed Shabbir Afzal, R. Dhillon, Mir Ibrahim Sajid +6 more
2023Annals of Medicine and Surgery4 citations Open access
Semantic Scholar
Granulomatosis with polyangiitis: a 17 year experience from a tertiary care hospital in Pakistan
O. Irfan, Haris Khan, Zarrar Khan, Alina Ashraf +3 more
2018BMC Research Notes4 citations Open access
Semantic Scholar
Trends in management of neck of femur fracture.
T. Ahmad, U. Ashraf, O. Irfan, Z. Muhammad
2015JPMA. The Journal of the Pakistan Medical Association4 citations
Semantic Scholar
Correction to: Nasopharyngeal carriage of Streptococcus pneumoniae in children under 5 years of age before introduction of pneumococcal vaccine (PCV10) in urban and rural districts in Pakistan
M. Nisar, K. Nayani, Tauseef Akhund, A. Riaz +12 more
2019BMC Infectious Diseases3 citations Open access
Semantic Scholar
Mean Retinal Nerve Fiber Layer Thickness in High Myopes using Optical Coherence Tomography in a Tertiary Care Hospital in Karachi , Pakistan
Afeefa Mubashir, Mubashir Khan, Saira Saeed, Babar Irfan +1 more
20183 citations
Semantic Scholar
Pharmacological Threat to Lungs: A Case Series and Literature Review
O. Irfan, J. Gilani, Abeel Irshad, Babar Irfan +1 more
2017Cureus3 citations Open access
Semantic Scholar
Retrograde bullet migration from inferior vena cava into right common iliac vein following gunshot: A case report.
I. Zahid, Hamza Abdur Rahim Khan, O. Irfan, Benish Fatima +4 more
2016JPMA. The Journal of the Pakistan Medical Association3 citations
Semantic Scholar
Systematic Review of Management Strategies for Alport Syndrome: Implications for Male Patients
Z. Sarfraz, Ayesha Khan, Maryyam Liaqat, Aden Khan +7 more
2025Health Science Reports2 citations Open access
Semantic Scholar
A Nationwide Survey Following the Devastating 2022 Floods in Pakistan: Current State of Knowledge, Attitude, and Perception Toward Climate Change and Its Health Consequences
O. Irfan, R. Dhillon, M. A. Qamar, S. Soomar +5 more
2024Cureus2 citations Open access
Semantic Scholar
Who is at a Higher Risk? A brief review of Recent Evidence on comorbidities in children infected with COVID-19.
M. A. Qamar, Mir Ibrahim Sajid, R. Dhillon, O. Irfan +1 more
2020Journal of Ayub Medical College2 citations
Semantic Scholar
Multidisciplinary approach to the prenatal diagnosis and Post natal management of a large suprasellar arachnoid cyst: A case report.
O. Irfan, Heeranand Rathore, S. Karim, Shabina Ariff +1 more
2017JPMA. The Journal of the Pakistan Medical Association2 citations
Semantic Scholar
Risks Associated With Benzodiazepine Long‐Term Use in Chronic Insomnia: A Systematic Review and (Network) Meta‐Analysis
D. Riemann, C. Baglioni, Christoph Nissen, Agathe Nevière +4 more
2026Journal of Sleep Research1 citations Open access
Semantic Scholar
Clinical Efficacy and Safety of Fluvoxamine in COVID-19 Patients: An Umbrella Review of Systematic Reviews and Meta-Analyses
O. Irfan, Muhammad Jansher, Wania Moeen, M. S. Khan +8 more
2025ASIDE Internal Medicine1 citations Open access
Semantic Scholar
Efficacy and safety of chlorhexidine vs. povidone-iodine for vaginal antisepsis in surgery: an updated systematic review and meta-analysis
A. Ahmed, M. Tahir, Muhammad Suhaib Hanif, Hamzah Naushad Siddiqui +12 more
2025Annals of Medicine and Surgery1 citations
Semantic Scholar
Knowledge, Attitude and Practice (KAP) pertaining to COVID-19 in Karachi, Pakistan: A Cross Sectional Study
Sana Awan, Mustafa Bin Ali Zubairi, A. Atif, S. Awan +3 more
2022The International Journal of Frontier Sciences1 citations Open access
Semantic Scholar
NEONATAL DIABETES MELLITUS – IS TRISOMY 21 ASSOCIATED WITH REFRACTORY HYPERGLYCAEMIA?
A. Mirza, R. Dhillon, O. Irfan, Amin Ali +1 more
2022Journal of Ayub Medical College1 citations Open access
Semantic Scholar

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Zulfiqar A. Bhutta×10
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