Mr ahmad nassar
- Honorary Senior Research Fellow (School of Medicine, Dentistry & Nursing)
Publications
2025
Nassar, Ahmad, Hayyawi, Israa, Khan, Khurram ORCID: https://orcid.org/0000-0002-8304-5970, Attia, Abdelaziz and Omran, Asmaa
ORCID: https://orcid.org/0000-0002-8364-851X
(2025)
The incidence, technical management and outcomes of impacted stones encountered during 1447 laparoscopic bile duct explorations.
Surgical Endoscopy,
(doi: 10.1007/s00464-024-11477-4)
(Early Online Publication)
2024
Qandeel, Haitham, Hayyawi, Israa, Nassar, Ahmad H.M., Ng, Hwei J., Khan, Khurram S. ORCID: https://orcid.org/0000-0002-8304-5970, Hasanat, Subreen and Ashour, Haneen
(2024)
The rationale of sub-hepatic drainage on a specialist biliary unit: a review of 6140 elective and urgent laparoscopic cholecystectomies and bile duct explorations.
Langenbeck's Archives of Surgery, 409(1),
271.
(doi: 10.1007/s00423-024-03459-w)
(PMID:39235643)
Lucocq, James and Nassar, Ahmad H.M. (2024) The effects of previous abdominal surgery and the utilisation of modified access techniques on the operative difficulty and outcomes of laparoscopic cholecystectomy and bile duct exploration. Surgical Endoscopy, (doi: 10.1007/s00464-024-10949-x) (Early Online Publication)
2023
Nassar, Ahmad H.M., Sallam, Mahmoud, Khan, Khurram S. ORCID: https://orcid.org/0000-0002-8304-5970, Kilpatrick, Rhona, Zino, Samer and Katbeh, Tarek Z.
(2023)
A proposed difficulty grading system for laparoscopic bile duct exploration: benefits to clinical practice, training and research.
Surgical Endoscopy, 37,
pp. 7012-7023.
(doi: 10.1007/s00464-023-10169-9)
(PMID:37349591)
(PMCID:PMC10462500)
2022
Welsh, Silje, Nassar, Ahmad H.M. and Sallam, Mahmoud (2022) The incidence, operative difficulty and outcomes of staged versus index admission laparoscopic cholecystectomy and bile duct exploration for all comers: a review of 5750 patients. Surgical Endoscopy, 36(11), pp. 8221-8230. (doi: 10.1007/s00464-022-09272-0) (PMID:35507063) (PMCID:PMC9613731)
Ng, Hwei Jene and Nassar, Ahmad H.M. (2022) Reinterventions following laparoscopic cholecystectomy and bile duct exploration. A review of prospective data from 5740 patients. Surgical Endoscopy, 36(5), pp. 2809-2817. (doi: 10.1007/s00464-021-08568-x) (PMID:34076762)
2021
Nassar, Ahmad H.M., Ng, Hwei J., Wysocki, Arkadiusz Peter, Khan, Khurram Shahzad ORCID: https://orcid.org/0000-0002-8304-5970 and Gil, Ines C.
(2021)
Achieving the critical view of safety in the difficult laparoscopic cholecystectomy: a prospective study of predictors of failure.
Surgical Endoscopy, 35(11),
pp. 6039-6047.
(doi: 10.1007/s00464-020-08093-3)
(PMID:33067645)
(PMCID:PMC8523408)
Ng, Hwei J., Nassar, Ahmad, Wysocki, Arkadiusz P., Ahmed, Zubir and Gil, Ines C. (2021) Cystic lymph node identification is more reliable than critical view of safety in difficult cholecystectomies. Surgical Laparoscopy, Endoscopy and Percutaneous Techniques, 31(2), pp. 155-159. (doi: 10.1097/SLE.0000000000000900) (PMID:33782336)
2019
Ng, H. J., Ahmed, Z., Khan, K. S. ORCID: https://orcid.org/0000-0002-8304-5970, Katbeh, T. and Nassar, A. H. M.
(2019)
C‐reactive protein level as a predictor of difficult emergency laparoscopic cholecystectomy.
BJS Open, 3(5),
pp. 641-645.
(doi: 10.1002/bjs5.50189)
(PMID:31592082)
(PMCID:PMC6773624)
Griffiths, Ewen A., Hodson, James, Vohra, Ravi S., Marriott, Paul, Katbeh, Tarek, Zino, Samer and Nassar, Ahmad H.M. (2019) Utilisation of an operative difficulty grading scale for laparoscopic cholecystectomy. Surgical Endoscopy, 33(1), pp. 110-121. (doi: 10.1007/s00464-018-6281-2) (PMID:29956029) (PMCID:PMC6336748)
Articles
Nassar, Ahmad, Hayyawi, Israa, Khan, Khurram ORCID: https://orcid.org/0000-0002-8304-5970, Attia, Abdelaziz and Omran, Asmaa
ORCID: https://orcid.org/0000-0002-8364-851X
(2025)
The incidence, technical management and outcomes of impacted stones encountered during 1447 laparoscopic bile duct explorations.
Surgical Endoscopy,
(doi: 10.1007/s00464-024-11477-4)
(Early Online Publication)
Qandeel, Haitham, Hayyawi, Israa, Nassar, Ahmad H.M., Ng, Hwei J., Khan, Khurram S. ORCID: https://orcid.org/0000-0002-8304-5970, Hasanat, Subreen and Ashour, Haneen
(2024)
The rationale of sub-hepatic drainage on a specialist biliary unit: a review of 6140 elective and urgent laparoscopic cholecystectomies and bile duct explorations.
Langenbeck's Archives of Surgery, 409(1),
271.
(doi: 10.1007/s00423-024-03459-w)
(PMID:39235643)
Lucocq, James and Nassar, Ahmad H.M. (2024) The effects of previous abdominal surgery and the utilisation of modified access techniques on the operative difficulty and outcomes of laparoscopic cholecystectomy and bile duct exploration. Surgical Endoscopy, (doi: 10.1007/s00464-024-10949-x) (Early Online Publication)
Nassar, Ahmad H.M., Sallam, Mahmoud, Khan, Khurram S. ORCID: https://orcid.org/0000-0002-8304-5970, Kilpatrick, Rhona, Zino, Samer and Katbeh, Tarek Z.
(2023)
A proposed difficulty grading system for laparoscopic bile duct exploration: benefits to clinical practice, training and research.
Surgical Endoscopy, 37,
pp. 7012-7023.
(doi: 10.1007/s00464-023-10169-9)
(PMID:37349591)
(PMCID:PMC10462500)
Welsh, Silje, Nassar, Ahmad H.M. and Sallam, Mahmoud (2022) The incidence, operative difficulty and outcomes of staged versus index admission laparoscopic cholecystectomy and bile duct exploration for all comers: a review of 5750 patients. Surgical Endoscopy, 36(11), pp. 8221-8230. (doi: 10.1007/s00464-022-09272-0) (PMID:35507063) (PMCID:PMC9613731)
Ng, Hwei Jene and Nassar, Ahmad H.M. (2022) Reinterventions following laparoscopic cholecystectomy and bile duct exploration. A review of prospective data from 5740 patients. Surgical Endoscopy, 36(5), pp. 2809-2817. (doi: 10.1007/s00464-021-08568-x) (PMID:34076762)
Nassar, Ahmad H.M., Ng, Hwei J., Wysocki, Arkadiusz Peter, Khan, Khurram Shahzad ORCID: https://orcid.org/0000-0002-8304-5970 and Gil, Ines C.
(2021)
Achieving the critical view of safety in the difficult laparoscopic cholecystectomy: a prospective study of predictors of failure.
Surgical Endoscopy, 35(11),
pp. 6039-6047.
(doi: 10.1007/s00464-020-08093-3)
(PMID:33067645)
(PMCID:PMC8523408)
Ng, Hwei J., Nassar, Ahmad, Wysocki, Arkadiusz P., Ahmed, Zubir and Gil, Ines C. (2021) Cystic lymph node identification is more reliable than critical view of safety in difficult cholecystectomies. Surgical Laparoscopy, Endoscopy and Percutaneous Techniques, 31(2), pp. 155-159. (doi: 10.1097/SLE.0000000000000900) (PMID:33782336)
Ng, H. J., Ahmed, Z., Khan, K. S. ORCID: https://orcid.org/0000-0002-8304-5970, Katbeh, T. and Nassar, A. H. M.
(2019)
C‐reactive protein level as a predictor of difficult emergency laparoscopic cholecystectomy.
BJS Open, 3(5),
pp. 641-645.
(doi: 10.1002/bjs5.50189)
(PMID:31592082)
(PMCID:PMC6773624)
Griffiths, Ewen A., Hodson, James, Vohra, Ravi S., Marriott, Paul, Katbeh, Tarek, Zino, Samer and Nassar, Ahmad H.M. (2019) Utilisation of an operative difficulty grading scale for laparoscopic cholecystectomy. Surgical Endoscopy, 33(1), pp. 110-121. (doi: 10.1007/s00464-018-6281-2) (PMID:29956029) (PMCID:PMC6336748)