Ali Zifan

Title(s)Assistant Adjunct Professor, Medicine
SchoolVc-health Sciences-schools
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    City University LondonPhD Information Technology2011Electrical Engineering

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Selective dysfunction of the crural diaphragm in patients with chronic restrictive and obstructive lung disease. Neurogastroenterol Motil. 2024 Jan; 36(1):e14699. Joshua J, Pathak C, Zifan A, Chen R, Malhotra A, Mittal RK. PMID: 37882102; PMCID: PMC10842479.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Why so Many Patients With Dysphagia Have Normal Esophageal Function Testing. Gastro Hep Adv. 2024; 3(1):109-121. Mittal RK, Zifan A. PMID: 38420259; PMCID: PMC10899865.
      View in: PubMed   Mentions:
    3. Impaired sliding between the lower esophageal sphincter and crural diaphragm (esophageal hiatus) in patients with achalasia esophagus. Am J Physiol Gastrointest Liver Physiol. 2023 10 01; 325(4):G368-G378. Mittal RK, Ledgerwood M, Caplin M, Xu P, Marquez-Lavenant W, Zifan A. PMID: 37581423; PMCID: PMC10642994.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    4. Esophageal wall compliance/stiffness during peristalsis in patients with functional dysphagia and high-amplitude esophageal contractions. Am J Physiol Gastrointest Liver Physiol. 2022 12 01; 323(6):G586-G593. Zifan A, Gandu V, Mittal RK. PMID: 36283085; PMCID: PMC9678403.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    5. Distension contraction plots of pharyngeal/esophageal peristalsis: next frontier in the assessment of esophageal motor function. Am J Physiol Gastrointest Liver Physiol. 2022 09 01; 323(3):G145-G156. Omari TI, Zifan A, Cock C, Mittal RK. PMID: 35788152; PMCID: PMC9377784.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Rhythmic contraction but arrhythmic distension of esophageal peristaltic reflex in patients with dysphagia. PLoS One. 2022; 17(1):e0262948. Muta K, Mittal RK, Zifan A. PMID: 35073388; PMCID: PMC8786162.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCTClinical Trials
    7. Bolus flow and biomechanical properties of the esophageal wall during primary esophageal peristalsis: Effects of bolus viscosity and posture. Neurogastroenterol Motil. 2022 06; 34(6):e14281. Zifan A, Gandu V, Ledgerwood M, Mittal R. PMID: 34636107.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    8. Do resistance exercises during biofeedback therapy enhance the anal sphincter and pelvic floor muscles in anal incontinence? Neurogastroenterol Motil. 2022 01; 34(1):e14212. Tuttle LJ, Zifan A, Swartz J, Mittal RK. PMID: 34236123; PMCID: PMC8712345.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Distension-contraction profile of peristalsis in patients with nutcracker esophagus. Neurogastroenterol Motil. 2021 11; 33(11):e14138. Zifan A, Muta K, Mittal RK. PMID: 33818858; PMCID: PMC8490481.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    10. Novel gel bolus to improve impedance-based measurements of esophageal cross-sectional area during primary peristalsis. Neurogastroenterol Motil. 2021 07; 33(7):e14071. Ledgerwood M, Zifan A, Lin W, de Alva J, Chen H, Mittal RK. PMID: 33373474.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    11. Abnormal Esophageal Distension Profiles in Patients With Functional Dysphagia: A Possible Mechanism of Dysphagia. Gastroenterology. 2021 04; 160(5):1847-1849.e2. Mittal RK, Muta K, Ledgerwood-Lee M, Gandu V, Zifan A. PMID: 33307025.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    12. Relationship between distension-contraction waveforms during esophageal peristalsis: effect of bolus volume, viscosity, and posture. Am J Physiol Gastrointest Liver Physiol. 2020 10 01; 319(4):G454-G461. Mittal RK, Muta K, Ledgerwood-Lee M, Zifan A. PMID: 32755311; PMCID: PMC7654646.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    13. Three-Dimensional Pressure Profile of the Lower Esophageal Sphincter and Crural Diaphragm in Patients with Achalasia Esophagus. Gastroenterology. 2020 09; 159(3):864-872.e1. Mittal RK, Kumar D, Kligerman SJ, Zifan A. PMID: 32437748; PMCID: PMC7502532.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    14. Morphology of the Esophageal Hiatus: Is It Different in 3 Types of Hiatus Hernias? J Neurogastroenterol Motil. 2020 Jan 30; 26(1):51-60. Kumar D, Zifan A, Ghahremani G, Kunkel DC, Horgan S, Mittal RK. PMID: 31677612; PMCID: PMC6955188.
      View in: PubMed   Mentions: 9  
    15. Loop analysis of the anal sphincter complex in fecal incontinent patients using functional luminal imaging probe. Am J Physiol Gastrointest Liver Physiol. 2020 01 01; 318(1):G66-G76. Zifan A, Mittal RK, Kunkel DC, Swartz J, Barr G, Tuttle LJ. PMID: 31736339; PMCID: PMC6985842.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    16. Botox injection into the lower esophageal sphincter induces hiatal paralysis and gastroesophageal reflux. Am J Physiol Gastrointest Liver Physiol. 2020 01 01; 318(1):G77-G83. Kumar D, Zifan A, Mittal RK. PMID: 31589467; PMCID: PMC6985847.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    17. Realistic forward and inverse model mesh generation for rapid three-dimensional thoracic electrical impedance imaging. Comput Biol Med. 2019 04; 107:97-108. Zifan A, Liatsis P, Almarzouqi H. PMID: 30798220.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. High-frequency ultrasound imaging of the anal sphincter muscles in normal subjects and patients with fecal incontinence. Neurogastroenterol Motil. 2019 04; 31(4):e13537. Ledgerwood-Lee M, Zifan A, Kunkel DC, Sah R, Mittal RK. PMID: 30680849; PMCID: PMC6405312.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    19. Topographical plots of esophageal distension and contraction: effects of posture on esophageal peristalsis and bolus transport. Am J Physiol Gastrointest Liver Physiol. 2019 04 01; 316(4):G519-G526. Zifan A, Song HJ, Youn YH, Qiu X, Ledgerwood-Lee M, Mittal RK. PMID: 30676774; PMCID: PMC6483025.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    20. Connectivity of the Superficial Muscles of the Human Perineum: A Diffusion Tensor Imaging-Based Global Tractography Study. Sci Rep. 2018 12 14; 8(1):17867. Zifan A, Reisert M, Sinha S, Ledgerwood-Lee M, Cory E, Sah R, Mittal RK. PMID: 30552351; PMCID: PMC6294750.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    21. Endoflip vs high-definition manometry in the assessment of fecal incontinence: A data-driven unsupervised comparison. Neurogastroenterol Motil. 2018 12; 30(12):e13462. Zifan A, Sun C, Gourcerol G, Leroi AM, Mittal RK. PMID: 30216661; PMCID: PMC6249043.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCTClinical Trials
    22. Measuring length-tension function of the anal sphincters and puborectalis muscle using the functional luminal imaging probe. Am J Physiol Gastrointest Liver Physiol. 2018 11 01; 315(5):G781-G787. Tuttle LJ, Zifan A, Sun C, Swartz J, Roalkvam S, Mittal RK. PMID: 30160982; PMCID: PMC6293252.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    23. Genesis of Esophageal Pressurization and Bolus Flow Patterns in Patients With Achalasia Esophagus. Gastroenterology. 2018 08; 155(2):327-336. Park S, Zifan A, Kumar D, Mittal RK. PMID: 29733830; PMCID: PMC7453216.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    24. Three-Dimensional Myoarchitecture of the Lower Esophageal Sphincter and Esophageal Hiatus Using Optical Sectioning Microscopy. Sci Rep. 2017 10 13; 7(1):13188. Zifan A, Kumar D, Cheng LK, Mittal RK. PMID: 29030643; PMCID: PMC5640646.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    25. Functional morphology of the lower esophageal sphincter and crural diaphragm determined by three-dimensional high-resolution esophago-gastric junction pressure profile and CT imaging. Am J Physiol Gastrointest Liver Physiol. 2017 Sep 01; 313(3):G212-G219. Mittal RK, Zifan A, Kumar D, Ledgerwood-Lee M, Ruppert E, Ghahremani G. PMID: 28572086; PMCID: PMC5625133.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    26. Temporal and spectral properties of esophageal mucosal blood perfusion: a comparison between normal subjects and nutcracker esophagus patients. Neurogastroenterol Motil. 2017 Feb; 29(2). Zifan A, Jiang Y, Mittal RK. PMID: 27511606; PMCID: PMC6113054.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    27. A Predictive Model to Identify Patients With Fecal Incontinence Based on High-Definition Anorectal Manometry. Clin Gastroenterol Hepatol. 2016 12; 14(12):1788-1796.e2. Zifan A, Ledgerwood-Lee M, Mittal RK. PMID: 27464594; PMCID: PMC5108671.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    28. Patient-Specific Computational Models of Coronary Arteries Using Monoplane X-Ray Angiograms. Comput Math Methods Med. 2016; 2016:2695962. Zifan A, Liatsis P. PMID: 27403203; PMCID: PMC4925948.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    29. Measurement of peak esophageal luminal cross-sectional area utilizing nadir intraluminal impedance. Neurogastroenterol Motil. 2015 Jul; 27(7):971-80. Zifan A, Ledgerwood-Lee M, Mittal RK. PMID: 25930157; PMCID: PMC4478210.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    30. The use of the Kalman filter in the automated segmentation of EIT lung images. Physiol Meas. 2013 Jun; 34(6):671-94. Zifan A, Liatsis P, Chapman BE. PMID: 23719169.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. A fisher information matrix interpretation of the NOSER algorithm in electrical impedance tomography. Annu Int Conf IEEE Eng Med Biol Soc. 2010; 2010:5000-5. Hashemzadeh P, Kantartzis P, Zifan A, Liatsis P, Nordebo S, Bayford R. PMID: 21096682.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    32. Simulation of cardiac motion on non-Newtonian, pulsating flow development in the human left anterior descending coronary artery. Phys Med Biol. 2008 Sep 21; 53(18):4875-92. Theodorakakos A, Gavaises M, Andriotis A, Zifan A, Liatsis P, Pantos I, Efstathopoulos EP, Katritsis D. PMID: 18711245.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansAnimals
    33. A new method of three-dimensional coronary artery reconstruction from X-ray angiography: validation against a virtual phantom and multislice computed tomography. Catheter Cardiovasc Interv. 2008 Jan 01; 71(1):28-43. Andriotis A, Zifan A, Gavaises M, Liatsis P, Pantos I, Theodorakakos A, Efstathopoulos EP, Katritsis D. PMID: 18098180.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    34. Could dynamic attractors explain associative prosopagnosia? Med Hypotheses. 2007; 68(6):1399-405. Zifan A, Gharibzadeh S, Moradi MH. PMID: 17337129.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    35. The chaotic nature of temper in humans: a long short-term memory recurrent neural network model. Med Hypotheses. 2006; 67(3):658-61. Zifan A, Gharibzadeh S. PMID: 16624500.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
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