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S. Niaz · SciRah

Researcher profile · Semantic Scholar

S. Niaz

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S. Niaz — researcher profile on SciRah

h-index: 10
Works: 66
Citations: 572

Most-cited papers

Knowledge of, attitudes toward, and barriers to participation of colorectal cancer screening tests in the Asia-Pacific region: a multicenter study.
J. Koo, Rupert Leong, Jessica Y. L. Ching, K. Yeoh +17 more
2012Gastrointestinal Endoscopy168 citations Open access
Semantic Scholar
A population‐based study of irritable bowel syndrome in a non‐Western population
Nusrat Husain, I. Chaudhry, F. Jafri, S. Niaz +2 more
2008Neurogastroenterology and Motility77 citations
Semantic Scholar
Using single-operator cholangioscopy for endoscopic evaluation of indeterminate biliary strictures: results from a large multinational registry
Majid Abdulrahman Almadi, T. Itoi, J. Moon, M. Goenka +29 more
2020Endoscopy63 citations
Semantic Scholar
Cholangioscopy-guided lithotripsy for difficult bile duct stone clearance in a single session of ERCP: results from a large multinational registry demonstrate high success rates
A. Maydeo, R. Rerknimitr, J. Lau, A. Aljebreen +22 more
2019Endoscopy63 citations
Semantic Scholar
Exploiting Endocytosis for Non-Spherical Nanoparticle Cellular Uptake
S. Niaz, B. Forbes, B. Raimi-Abraham
2022Nanomanufacturing39 citations Open access
Semantic Scholar
Benign esophageal strictures: behaviour, pattern and response to dilatation.
S. Qureshi, Shahriyar Ghazanfar, A. Leghari, Fahad Tariq +2 more
2010JPMA. The Journal of the Pakistan Medical Association21 citations
Semantic Scholar
Endoscopic balloon sphincteroplasty as an adjunct to endoscopic sphincterotomy in removing large and difficult bile duct stones.
Shahriyar Ghazanfar, S. Qureshi, A. Leghari, M. Taj +2 more
2010JPMA. The Journal of the Pakistan Medical Association15 citations
Semantic Scholar
Endoscopic retrograde cholangiopancreatography: a therapeutic modality in children and adolescents.
Muhammed Ali Taj, A. Leghari, S. Qureshi, Shahriyar Ghazanfar +2 more
2012JPMA. The Journal of the Pakistan Medical Association14 citations
Semantic Scholar
Plastic stent migration in ERCP; a tertiary care experience.
M. A. Taj, Shahriyar Ghazanfar, S. Qureshi, M. Zubair +2 more
2019JPMA. The Journal of the Pakistan Medical Association12 citations
Semantic Scholar
Endoscopic management of post operative bile duct injuries.
Shahriyar Ghazanfar, S. Qureshi, A. Leghari, M. A. Taj +2 more
2012JPMA. The Journal of the Pakistan Medical Association11 citations
Semantic Scholar
Frequency and risk factors in the post-ERCP pancreatitis in a tertiary care centre.
A. Leghari, Shahriyar Ghazanfar, S. Qureshi, M. A. Taj +2 more
2013Journal of the College of Physicians and Surgeons--Pakistan : JCPSP10 citations
Semantic Scholar
Innovative Solution to Sharp Waste Management in a Tertiary Care Hospital in Karachi, Pakistan
S. Qaiser, A. Arif, Saeed Quaid, T. Ahsan +5 more
2013Infection Control & Hospital Epidemiology8 citations
Semantic Scholar
Management of variceal bleeding: PSG guidelines 2006.
J. I. Farooqi, S. M. Wasim Jafri, Najib-ul-Haq, S. Niaz +6 more
2007JPMA. The Journal of the Pakistan Medical Association8 citations
Semantic Scholar
Characterization of Domain V Mutations in Clinical Isolates of Helicobacter pylori in Pakistan and Their Effect on Clarithromycin MIC
Shumaiza Anis, Shakeel R. Farooqi, S. Niaz
2021Infection and Drug Resistance7 citations Open access
Semantic Scholar
Guidelines on gastroesophageal reflux disease.
S. Niaz, M. S. Quraishy, M. A. Taj, S. Abid +10 more
2015JPMA. The Journal of the Pakistan Medical Association7 citations
Semantic Scholar
Palliative management of irresectable carcinoma esophagus using self expandable metallic stent (SEMS).
Shahriyar Ghazanfar, S. Qureshi, Fahad Tariq, S. Niaz +1 more
2009JPMA. The Journal of the Pakistan Medical Association7 citations
Semantic Scholar
Needle knife papillotomy for cannulating difficult papilla; two years experience.
A. Siddiqui, S. Niaz
2008JPMA. The Journal of the Pakistan Medical Association6 citations
Semantic Scholar
Optimal stent placement strategy for malignant hilar biliary obstruction: a management dilemma.
Muhammad K. Hasan, M. S. Yousaf, N. Tehami, K. Ala +5 more
2021Gastrointestinal Endoscopy5 citations Open access
Semantic Scholar
Platelet Count to Prothrombin Time: A Noninvasive Predictor of Esophageal Varices in Patients With Chronic Liver Disease
S. A. Rizvi, Muhammad Danish Ashraf Wallam, A. Siddiqui, Syed Afzal Haqqi +5 more
2024Cureus3 citations Open access
Semantic Scholar
Oesophageal Varices And Associated Factors In Cirrhotic Patients With Hepatitis C.
Saira Ali, S. Farrukh, Syed Afzal Haqqi, A. Siddiqui +2 more
2022Journal of Ayub Medical College3 citations Open access
Semantic Scholar
Percutaneous endoscopic gastrostomy; success and outcome of a novel modality for enteral nutrition.
Syed Afzal Haqqi, S. Farrukh, A. Dhedhi, A. Siddiqui +2 more
2020JPMA. The Journal of the Pakistan Medical Association3 citations Open access
Semantic Scholar
Success Rate of Common Bile Duct Stones Extraction on First ERCP Attempt
A. Samad, S. Farrukh, Syed Afzal Haqqi, A. Siddiqui +2 more
2018Journal of the Dow University of Health Sciences3 citations Open access
Semantic Scholar
An experience of capsule endoscopy from a tertiary care hospital in Pakistan.
S. Qureshi, Shahriyar Ghazanfar, Altaf Dawood, M. Zubair +3 more
2010JPMA. The Journal of the Pakistan Medical Association3 citations
Semantic Scholar
Increased ERCP volume improves cholangiogram interpretation: a new performance measure for ERCP training?
S. Vedantam, S. Amin, B. Maher, S. Ahmad +4 more
2022Clinical Endoscopy2 citations Open access
Semantic Scholar
Malignant pyloro-duodenal obstruction: role of self expandable metallic stents.
S. Qureshi, Shahriyar Ghazanfar, A. Hafeez, Mohammad Ali Taj +2 more
2014JPMA. The Journal of the Pakistan Medical Association2 citations
Semantic Scholar
Endoscopic ultrasound-guided pancreatic pseudocyst drainage in pediatric patients
A. Yaseen, Javeria Salman, S. Kadir, Muhammad Asim +8 more
2026World journal of gastrointestinal pharmacology and therapeutics1 citations Open access
Semantic Scholar
The uninvited guest: live fasciola hepatica as a cause of obstructive jaundice—a case report
A. Altaf, S. Niaz, S. Kadir
2026Journal of Medical Case Reports1 citations Open access
Semantic Scholar
Computational identification of rare pathogenic genomic variants in esophageal cancer markers: Transcript-level analysis, sequence-based insights, and structural-functional impacts of non-synonymous SNPs
Muhammad Bilal Azmi, Sajida Qureshi, Rafia Wasi, S. Niaz +1 more
2026Biochemistry and Biophysics Reports1 citations Open access
Semantic Scholar
Slipped and caught in the cecum: Endoscopic retrieval of a migrated foley feeding jejunostomy tube: A case report
M. Siyal, Muhammad Umair Tahseen, Muhammad Asim, T. Niaz +3 more
2026World Journal of Clinical Cases1 citations Open access
Semantic Scholar
The Impact of Hepatitis C and Socio‐Demographic Variables on Health‐Related Quality of Life in Pakistan: Cross‐Sectional Study
S. Niyomsri, Aaron G. Lim, A. Arif, Muhammad Asim +12 more
2026Journal of Viral Hepatitis1 citations Open access
Semantic Scholar
Endoscopic Ultrasound-Guided Detection of a Rare Anomaly-Duplication of Extrahepatic Bile Duct
S. Niaz, N. Zakaria, Muhammad Umair Tahseen, Muhammad Asim +2 more
2025ACG Case Reports Journal1 citations
Semantic Scholar
HepFREEPak: protocol for a multi-centre, prospective observational study examining efficacy and impact of current therapies for the treatment of hepatitis C in Pakistan and reporting resistance to antiviral drugs: study protocol
A. Arif, Aliya Hasnain, Auj Chaudhry, Muhammad Asim +14 more
2023BMC Public Health1 citations Open access
Semantic Scholar
The impact of hepatitis C and socio-demographic variables on Health-related quality of life among patients in Pakistan
S. Niyomsri, Josephine G. Walker, Ejaz Alam, A. Arif +19 more
2023Journal of Hepatology1 citations
Semantic Scholar
Correction: Cholangioscopy-guided lithotripsy for difficult bile duct stone clearance in a single session of ERCP: results from a large multinational registry demonstrate high success rates
A. Maydeo, R. Rerknimitr, J. Lau, A. Aljebreen +22 more
2019Endoscopy1 citations
Semantic Scholar
Endoscopic Retrograde Cholangiopancreatography : safety and acceptance in pregnancy
Muhammed Ali Taj, S. Qureshi, Shahriyar Ghazanfar, A. Leghari +2 more
1 citations
Semantic Scholar
ROLE OF PRE CUT SPHINCTEROTOMY IN DIFFICULT BILIARY CANNULATION
S. Qureshi, Shahriyar Ghazanfar, Fahad Tariq, S. Niaz +1 more
1 citations
Semantic Scholar
Correction: Precision vs. cost: Endoscopic ultrasound-guided vs. conventional pancreatic cyst drainage in a resource-limited setting
A. Altaf, Javeria Salman, Muhammad Asim, Muhammad Umair Tahseen +10 more
2026Endoscopy International Open0 citations Open access
Semantic Scholar
Navigating self-expandable metallic stent placement in inoperable esophageal malignancies: A landmark-based technique using the vertebral column and diaphragm
M. Siyal, Muhammad Asim, S. Qureshi, Shahriyar Ghazanfar +9 more
2026World Journal of Gastrointestinal Endoscopy0 citations Open access
Semantic Scholar
Cronkhite–Canada syndrome, hypothyroidism and positive autoantibodies: a case report
Muhammad Asim, S. Niaz, V. Karmani, T. Niaz +2 more
2026Journal of Medical Case Reports0 citations
Semantic Scholar
Evaluating the Role of Endoscopic Retrograde Cholangiopancreatography (ERCP) in the Diagnosis and Management of Biliary Ascariasis: Clinical Outcomes and its Efficacy
N. Ahmed, Sania Maqbool, Muhammad Tehseen, P. Roohi +7 more
2026Pakistan Journal of Gastroenterology0 citations Open access
Semantic Scholar
Percutaneous endoscopic gastrostomy tube placement after sleeve gastrectomy: a case report
A. Yaseen, Arif Siddiqui, Muhammad Umair Tahseen, Javeria Salman +1 more
2026AME Case Reports0 citations
Semantic Scholar
Gaps in awareness and clinical practices regarding GERD among healthcare physicians in Pakistan
G. Tayyab, S. Niaz, Z. Abbas, S. Rehman +3 more
2026Pakistan Journal of Medical Sciences0 citations Open access
Semantic Scholar
AI-Based Prediction of Post-ERCP Pancreatitis: A Comparative Study Using Tabular, Image, and Multimodal Data
Anum Jamil, Waseemullah Nazir, A. Altaf, S. Niaz
2026Diagnostics0 citations Open access
Semantic Scholar
Endoscopic view showing PEG tube placement in a patient with previous sleeve gastrectomy.
A. Yaseen, Arif Siddiqui, Muhammad Umair Tahseen, Javeria Salman +1 more
2026ASVIDE0 citations
Semantic Scholar
Navigating Gastrointestinal Care in Resource-Limited Settings: A Pakistani Perspective
S. Niaz
2026Pakistan Journal of Gastroenterology0 citations Open access
Semantic Scholar
Dual Endoscopic Approach for Radiation-Induced Complete Esophageal Obstruction in the Upper Esophagus: Insights From 2 Challenging Cases
M. Siyal, Arif Siddiqui, S. Kadir, S. Niaz
2026ACG Case Reports Journal0 citations Open access
Semantic Scholar
WED-011 Treatment for chronic hepatitis C infection in Pakistan – in a high prevalence country treatment initiation is sub-optimal and may impact elimination programs
Aliya Hasnain, Auj Chaudhry, A. Arif, Muhammad Asim +7 more
2025Journal of Hepatology0 citations
Semantic Scholar
TERMINAL ILEUM INTUBATION – SUCCESS RATE AND DIAGNOSTIC YIELD DURING LOWER GASTROINTESTINAL ENDOSCOPY AT A TERTIARY CARE HOSPITAL
Muhammad Umar Farooq, A. R. Siddiqui, Syed Afzal Haqqi, Zea Ul Islam Farrukh +4 more
2025Insights-Journal of Health and Rehabilitation0 citations Open access
Semantic Scholar
Bridging Gaps in Hepatitis Delta Virus Care: A Cross-Sectional Mixed-Methods Study of Clinician Perspectives From Major Urban Centers in Pakistan
Saeed Hamid, S. Ali, Z. Abbas, G. Tayyab +3 more
2025Cureus0 citations Open access
Semantic Scholar
SAT-029 Hepatitis C incidence in Pakistan – large scale test and recall analysis shows that infection rates can be reduced by pro-active 'find and treat’ programs
S. Niaz, S. Hamid, A. Chaudhry, Naheed Choudhry +3 more
2025Journal of Hepatology0 citations
Semantic Scholar

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S. Qureshi — researcher profile on SciRah
Shahriyar Ghazanfar×12
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Shahriyar Ghazanfar — researcher profile on SciRah
A. Leghari×8
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A. Leghari — researcher profile on SciRah
S. Kadir×8
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S. Kadir — researcher profile on SciRah

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M. S. Quraishy — researcher profile on SciRah

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N. Zakaria — researcher profile on SciRah

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A. Altaf — researcher profile on SciRah

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H. Qureshi — researcher profile on SciRah

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Fahad Kakar — researcher profile on SciRah

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A. Yaseen — researcher profile on SciRah

Muhammad Asim×6

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Muhammad Asim — researcher profile on SciRah

Muhammad Umair Tahseen×6

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Muhammad Umair Tahseen — researcher profile on SciRah