Harvard Catalyst Profiles

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Ahmed Said Abdou Elsayed Negida, M.B.,B.Ch.

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University of Portsmouth, UKPhD05/2022Biomedical Sciences
Zagazig University Hospitals, EgyptN/A09/2020Clinical and Surgical Rotations
Bahçesehir University, TurkeyN/A09/2019Neurosurgery Research Fellowship
Zagazig University, EgyptM.B.,B.Ch.11/2018Medicine and Surgery
EANS Travel Grant
Best Paper Award, AASSFN congress
WSO Young Investigator Travel Grant
Young Investigator Travel Grant
Young Investigator Travel Grant
Scholarship for the Gut-Brain Axis Neuroscience School
MDS Travel Grant
EAN Young Investigators Award
Prof. Yasuo Tano Travel Grant
Young Investigator Travel Grant
Young Investigator Award
Second Best Student Website


Featured Content

    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    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. Hussein AS, Shawqi M, Bahbah EI, Ragab B, Sunoqrot M, Gadallah A, Ghaith HS, Negida A. Do cerebral microbleeds increase the risk of dementia? A systematic review and meta-analysis. IBRO Neurosci Rep. 2023 Jun; 14:86-94. PMID: 36632242; PMCID: PMC9827375.
    2. Hamad AA, Selim R, Amer BE, Diab RA, Elazb M, Elbanna EH, Negida A. COVID-19 Risk Perception and Adherence to Preventive Measures among Medical Students after Receiving COVID-19 Vaccination: A Multicenter Cross-Sectional Study in Egypt. Vaccines (Basel). 2022 Dec 20; 11(1). PMID: 36679851; PMCID: PMC9866727.
    3. Ghaith HS, Gabra MD, Ebada MA, Dada OE, Al-Shami H, Bahbah EI, Swed S, Ghaith AK, Kanmounye US, Esene IN, Negida A. Tranexamic acid for patients with aneurysmal subarachnoid hemorrhage: a systematic review and meta-analysis of 2991 patients. Int J Neurosci. 2022 Dec 04; 1-14. PMID: 36463556.
      Citations:    Fields:    
    4. Aukrust CG, McNicholas R, Winkler AS, Johnson W, Pattisapu J, White C, Veerappan VR, Negida A, Park KB. Comprehensive and equitable approaches to the management of neurological conditions in low-and middle-income countries-A call to action. Brain Spine. 2022; 2:101701. PMID: 36605388; PMCID: PMC9808453.
    5. Djoutsop OM, Ogunfolaji O, Ghaith H, Negida A, Kanmounye US. Global Otolaryngology: Role of Low- and Middle-Income Country Researchers. Otolaryngol Head Neck Surg. 2022 Nov 12; 1945998221117468. PMID: 36373353.
      Citations:    Fields:    
    6. Calderon C, Dos Santos Rubio EJ, Negida A, Park KB. Neurosurgical training in the Caribbean. Brain Spine. 2022; 2:101691. PMID: 36506291; PMCID: PMC9729804.
    7. Shahien M, Elaraby A, Gamal M, Abdelazim E, Abdelazeem B, Ghaith HS, Negida A. Physical therapy interventions for the management of hand tremors in patients with Parkinson's disease: a systematic review. Neurol Sci. 2023 Feb; 44(2):461-470. PMID: 36205810.
      Citations:    Fields:    
    8. Reuter A, Rogge L, Monahan M, Kachapila M, Morton DG, Davies J, Vollmer S. Global economic burden of unmet surgical need for appendicitis. Br J Surg. 2022 09 09; 109(10):995-1003. PMID: 35881506.
      Citations:    Fields:    Translation:Humans
    9. Jaffry Z, Raj S, Sallam A, Lyman S, Negida A, Yiu CFA, Sobti A, Bua N, Field RE, Abdalla H, Hammad R, Qazi N, Singh B, Brennan PA, Hussein A, Narvani A, Jones A, Imam MA. Global impact of COVID-19 on surgeons and team members (GlobalCOST): a cross-sectional study. BMJ Open. 2022 08 05; 12(8):e059873. PMID: 36378650; PMCID: PMC9361744.
      Citations:    Fields:    Translation:HumansCellsPHPublic Health
    10. Ghaith HS, Elfil M, Gabra MD, Nawar AA, Abd-Alkhaleq MS, Hamam KM, Aboelnasr LE, Elgezery EA, Osman MH, Elsayed H, Swed S, Kanmounye US, Negida A. Intravenous thrombolysis before mechanical thrombectomy for acute ischemic stroke due to large vessel occlusion; should we cross that bridge? A systematic review and meta-analysis of 36,123 patients. Neurol Sci. 2022 Nov; 43(11):6243-6269. PMID: 35871179.
      Citations:    Fields:    
    11. Veerappan VR, Gabriel PJ, Shlobin NA, Marks K, Ooi SZY, Aukrust CG, Ham E, Abdi H, Negida A, Park KB, El Ouahabi A. Global Neurosurgery in the Context of Global Public Health Practice-A Literature Review of Case Studies. World Neurosurg. 2022 09; 165:20-26. PMID: 35697226.
      Citations:    Fields:    
    12. Aljabali A, Abdo M, Negida A. Comment on Abbas et al. The Safety and Efficacy of Nusinersen in the Treatment of Spinal Muscular Atrophy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Medicina 2022, 58, 213. Medicina (Kaunas). 2022 Jun 06; 58(6). PMID: 35744029; PMCID: PMC9230374.
      Citations: 1     Fields:    Translation:Humans
    13. Abdi H, Wang Z, Ham EI, Laeke T, Park KB, Negida A, Bizuneh Y, Tirsit A. Neurosurgery Research Output in Ethiopia: A Scoping Review. World Neurosurg. 2022 08; 164:291-297. PMID: 35609725.
      Citations:    Fields:    
    14. Ahmed Negida. The hope and the hype in Parkinson’s disease treatments. 2022. View Publication.
    15. Esene IN, Negida A, Ibe CS, Kanmounye US, Thango N, Jokonya L, Hoz SS, Dechambenoit G, Kalangu KKN, Solaroglu I. Observational Studies in Neurosurgery: Structure, Functioning, and Uses. World Neurosurg. 2022 05; 161:265-274. PMID: 35505543.
      Citations:    Fields:    Translation:Humans
    16. Hegazy A, Al-Shami HA, Arundhati B, Negida A, A Hafez RF, Fahmy OM, Ragab OA, Elkatatny AM, Amin SM, A Ali MF. Microsurgery versus stereotactic radiosurgery for small petroclival meningiomas presenting with intractable trigeminal neuropathy: A historical cohort study. Neurol India. 2022 May-Jun; 70(3):890-896. PMID: 35864615.
      Citations:    Fields:    Translation:Humans
    17. Ghaith HS, Nawar AA, Gabra MD, Abdelrahman ME, Nafady MH, Bahbah EI, Ebada MA, Ashraf GM, Negida A, Barreto GE. A Literature Review of Traumatic Brain Injury Biomarkers. Mol Neurobiol. 2022 Jul; 59(7):4141-4158. PMID: 35499796; PMCID: PMC9167167.
      Citations:    Fields:    Translation:AnimalsCells
    18. Elberry MH, Abdelgawad HAH, Hamdallah A, Abdella WS, Ahmed AS, Ghaith HS, Negida A. A systematic review of vaccine-induced thrombotic thrombocytopenia in individuals who received COVID-19 adenoviral-vector-based vaccines. J Thromb Thrombolysis. 2022 May; 53(4):798-823. PMID: 35157188; PMCID: PMC8853120.
      Citations:    Fields:    Translation:HumansCells
    19. Murhega RB, Budema PM, Tshimbombu TN, Toha GK, Cikomola FG, Mudekereza PS, Mubenga LE, Balemba GM, Badesire DC, Negida A, Kanmounye US. Firearm injuries among children due to the Kivu conflict from 2017 to 2020: A hospital-based retrospective descriptive cohort study. Afr J Emerg Med. 2022 Mar; 12(1):44-47. PMID: 35070653; PMCID: PMC8761602.
    20. Abdelmonem M, Ebada MA, Diab S, Ahmed MM, Zaazouee MS, Essa TM, ElBaz ZS, Ghaith HS, Abdella WS, Ebada M, Negida A. Efficacy of Hibiscus sabdariffa on Reducing Blood Pressure in Patients With Mild-to-Moderate Hypertension: A Systematic Review and Meta-Analysis of Published Randomized Controlled Trials. J Cardiovasc Pharmacol. 2022 01 01; 79(1):e64-e74. PMID: 34694241.
      Citations:    Fields:    Translation:HumansAnimals
    21. Ghaith HS, Gabra MD, Nafady MH, Elshawah HE, Negida A, Mushtaq G, Kamal MA. A Review of the Rational and Current Evidence on Colchicine for COVID-19. Curr Pharm Des. 2022; 28(39):3194-3201. PMID: 34895117.
      Citations: 2     Fields:    
    22. Ozair A, Negida A, Ghaith AK, Kanmounye US. In Reply: Predictors of Academic Neurosurgical Career Trajectory Among International Medical Graduates Training Within the United States. Neurosurgery. 2022 01 01; 90(1):e28. PMID: 34982897.
      Citations:    Fields:    Translation:Humans
    23. Azzam AY, Ghozy S, Negida A. Letter: Haptics in Neurosurgery: A Much-Needed Tool for Neurosurgery Training. Neurosurgery. 2022 03 01; 90(3):e76-e77. PMID: 34995254.
      Citations:    Fields:    Translation:Humans
    24. Negida A, Ghaith HS, Gabra MD, Aziz MA, Elfil M, Al-Shami H, Bahbah EI, Kanmounye US, Esene I, Raslan AM. Should the direct aspiration first pass technique be advocated over the stent-retriever technique for acute ischemic stroke? A systematic review and meta-analysis of 7692 patients. Surg Neurol Int. 2021; 12:597. PMID: 34992914; PMCID: PMC8720438.
    25. Wadaa-Allah A, Emhamed MS, Sadeq MA, Ben Hadj Dahman N, Ullah I, Farrag NS, Negida A. Efficacy of the current investigational drugs for the treatment of COVID-19: a scoping review. Ann Med. 2021 12; 53(1):318-334. PMID: 33706639.
      Citations: 10     Fields:    Translation:Humans
    26. Ozair A, Negida A, Ghaith AK, Kanmounye US. Letter: Predictors of Academic Neurosurgical Career Trajectory Among International Medical Graduates Training Within the United States. Neurosurgery. 2021 11 18; 89(6):E338-E339. PMID: 34423822.
      Citations:    Fields:    Translation:Humans
    27. Ghzawi A, Hirbawi H, Negida A, Abu-Farsakh H. A case of a Jordanian male twin with Cohen's syndrome, with genetic analysis and muscle biopsy; case report. Ann Med Surg (Lond). 2021 Nov; 71:103014. PMID: 34840762; PMCID: PMC8606835.
    28. Negida A, Raslan AM. The Global NeuroSurg Research Collaborative: A Novel Student-Based Model to Expand Global Neurosurgery Research. Front Surg. 2021; 8:721863. PMID: 34778355.
    29. Ebada MA, Ali AS, Elshakankiry A, Essa T, Khater AG, Hossam M, Al-Shami H, Bahbah EI, Ghaith HS, Kanmounye US, Negida A. Should intravenous acetaminophen be considered for post craniotomy pain management? A meta-analysis of randomized controlled trials. J Neurosurg Sci. 2022 Oct; 66(5):413-419. PMID: 34647710.
      Citations:    Fields:    
    30. Attia MS, Hassaballah MY, Abdelqawy MA, Emad-Eldin M, Farag AK, Negida A, Ghaith H, Emam SE. An updated review of mesoporous carbon as a novel drug delivery system. Drug Dev Ind Pharm. 2021 Jul; 47(7):1029-1037. PMID: 34590548.
      Citations: 3     Fields:    
    31. Kanmounye US, Zolo Y, Robertson FC, Bankole NDA, Kabulo KDM, Ntalaja JM, Magogo J, Negida A, Thango N, Esene I, Pennicooke B, Molina CA. Prevalence of spine surgery navigation techniques and availability in Africa: A cross-sectional study. Ann Med Surg (Lond). 2021 Aug; 68:102637. PMID: 34386229; PMCID: PMC8346523.
    32. Mortality from gastrointestinal congenital anomalies at 264 hospitals in 74 low-income, middle-income, and high-income countries: a multicentre, international, prospective cohort study. Lancet. 2021 07 24; 398(10297):325-339. PMID: 34270932; PMCID: PMC8314066.
      Citations: 4     Fields:    Translation:Humans
    33. Dada OE, Karekezi C, Mbangtang CB, Chellunga ES, Mbaye T, Konan L, Adeniran Bankole ND, Merci Kabulo KD, Hugues Dokponou YC, Ghomsi NC, Negida A, Nguembu S, Thango N, Cheserem B, Kamabu LK, Alalade AF, Esene I, Kanmounye US. State of Neurosurgical Education in Africa: A Narrative Review. World Neurosurg. 2021 07; 151:172-181. PMID: 34058355.
      Citations: 1     Fields:    Translation:Humans
    34. Negida A, Ghaith HS, Fala SY, Ahmed H, Bahbah EI, Ebada MA, Aziz MAE. Mavoglurant (AFQ056) for the treatment of levodopa-induced dyskinesia in patients with Parkinson's disease: a meta-analysis. Neurol Sci. 2021 Aug; 42(8):3135-3143. PMID: 34014397.
      Citations: 3     Fields:    Translation:Humans
    35. Yassin A, Ghzawi A, Al-Mistarehi AH, El-Salem K, Y Benmelouka A, M Sherif A, BenhadjDahman N, AlAdamat N, Jemel A, Negida A, Abdelmonem M. Mortality rate and biomarker expression within COVID-19 patients who develop acute ischemic stroke: a systematic review and meta-analysis. Future Sci OA. 2021 Aug; 7(7):FSO713. PMID: 34254031; PMCID: PMC8114837.
      Citations: 4     
    36. Saghir SAM, AlGabri NA, Alagawany MM, Attia YA, Alyileili SR, Elnesr SS, Shafi ME, Al-Shargi OYA, Al-Balagi N, Alwajeeh AS, Alsalahi OSA, Patra AK, Khafaga AF, Negida A, Noreldin A, Al-Amarat W, Almaiman AA, El-Tarabily KA, Abd El-Hack ME. Chloroquine and Hydroxychloroquine for the Prevention and Treatment of COVID-19: A Fiction, Hope or Hype? An Updated Review. Ther Clin Risk Manag. 2021; 17:371-387. PMID: 33953559.
      Citations: 24     
    37. Diab A, Al-Shami H, Negida A, Gadallah A, Farag H, Elkadi DM, Gaber MM, Ebada MA. Efficacy and safety of polyethylene glycol dural sealant system in cranial and spinal neurosurgical procedures: Meta-analysis. Surg Neurol Int. 2021; 12:182. PMID: 34084610; PMCID: PMC8168650.
    38. Bahbah EI, Ghozy S, Attia MS, Negida A, Emran TB, Mitra S, Albadrani GM, Abdel-Daim MM, Uddin MS, Simal-Gandara J. Molecular Mechanisms of Astaxanthin as a Potential Neurotherapeutic Agent. Mar Drugs. 2021 Apr 03; 19(4). PMID: 33916730.
      Citations: 8     Fields:    Translation:HumansAnimalsCells
    39. Benmelouka AY, Munir M, Sayed A, Attia MS, Ali MM, Negida A, Alghamdi BS, Kamal MA, Barreto GE, Ashraf GM, Meshref M, Bahbah EI. Neural Stem Cell-Based Therapies and Glioblastoma Management: Current Evidence and Clinical Challenges. Int J Mol Sci. 2021 Feb 24; 22(5). PMID: 33668356.
      Citations: 2     Fields:    Translation:HumansAnimalsCells
    40. Ebada MA, Wadaa-Allah A, Bahbah E, Negida A. An Updated Review on COVID-19. Infect Disord Drug Targets. 2021; 21(8):e160921189190. PMID: 33327924.
      Citations: 5     Fields:    Translation:HumansCellsPHPublic Health
    41. Abdelgawad HAH, Sayed A, Munir M, Elberry MH, Sayed IM, Kamal MA, Negida A, Ebada MA, Bahbah EI. Clinical Review of COVID-19; Pathogenesis, Diagnosis, and Management. Curr Pharm Des. 2021; 27(41):4232-4244. PMID: 33355050.
      Citations: 5     Fields:    Translation:HumansAnimalsPHPublic Health
    42. Abdel-Maboud M, Menshawy A, Elgebaly A, Bahbah EI, El Ashal G, Negida A. Should we consider heparin prophylaxis in COVID-19 patients? a systematic review and meta-analysis. J Thromb Thrombolysis. 2021 Apr; 51(3):830-832. PMID: 32816197.
      Citations: 8     Fields:    Translation:Humans
    43. Soltany A, Hamouda M, Ghzawi A, Sharaqi A, Negida A, Soliman S, Benmelouka AY. A scoping review of the impact of COVID-19 pandemic on surgical practice. Ann Med Surg (Lond). 2020 Sep; 57:24-36. PMID: 32704366; PMCID: PMC7347302.
      Citations: 10     
    44. Negida A. Estimation of COVID-19 burden in Egypt. Lancet Infect Dis. 2020 08; 20(8):894-895. PMID: 32353349.
      Citations: 1     Fields:    Translation:HumansCellsPHPublic Health
    45. Bahbah EI, Negida A, Nabet MS. Purposing Saikosaponins for the treatment of COVID-19. Med Hypotheses. 2020 07; 140:109782. PMID: 32353743.
      Citations: 8     Fields:    Translation:HumansCellsPHPublic Health
    46. Abdellatif W, Ebada MA, Alkanj S, Negida A, Murray N, Khosa F, Nicolaou S. Diagnostic Accuracy of Dual-Energy CT in Detection of Acute Pulmonary Embolism: A Systematic Review and Meta-Analysis. Can Assoc Radiol J. 2021 May; 72(2):285-292. PMID: 32103682.
      Citations: 5     Fields:    Translation:Humans
    47. Negida A. Sample Size Calculation Guide - Part 7: How to Calculate the Sample Size Based on a Correlation. Adv J Emerg Med. 2020; 4(2):e34. PMID: 32322802; PMCID: PMC7163254.
      Citations: 1     
    48. Negida A. Sample Size Calculation Guide - Part 6: How to calculate the sample size for a non-inferiority or an equivalence clinical trial. Adv J Emerg Med. 2020; 4(1):e15. PMID: 31938784; PMCID: PMC6955025.
      Citations: 1     
    49. Benmelouka A, Shamseldin LS, Nourelden AZ, Negida A. A Review on the Etiology and Management of Pediatric Traumatic Spinal Cord Injuries. Adv J Emerg Med. 2020; 4(2):e28. PMID: 32322796; PMCID: PMC7163256.
    50. Robertson FC, Esene IN, Kolias AG, Khan T, Rosseau G, Gormley WB, Park KB, Broekman MLD. Global Perspectives on Task Shifting and Task Sharing in Neurosurgery. World Neurosurg X. 2020 Apr; 6:100060. PMID: 32309801; PMCID: PMC7154229.
      Citations: 11     
    51. Negida A, Fahim NK, Negida Y, Ahmed H. Sample Size Calculation Guide - Part 5: How to calculate the sample size for a superiority clinical trial. Adv J Emerg Med. 2019; 3(4):e49. PMID: 31633104; PMCID: PMC6789074.
      Citations: 2     
    52. Negida A, Raslan AM. Invitation to the GNS-I Study; a Global Evaluation of Traumatic Brain Injury in Low-, Middle-, and High- income Countries. Adv J Emerg Med. 2019; 3(3):e21. PMID: 31410398; PMCID: PMC6683588.
      Citations: 2     
    53. Negida A, Fahim NK, Negida Y. Sample Size Calculation Guide - Part 4: How to Calculate the Sample Size for a Diagnostic Test Accuracy Study based on Sensitivity, Specificity, and the Area Under the ROC Curve. Adv J Emerg Med. 2019; 3(3):e33. PMID: 31410410; PMCID: PMC6683590.
      Citations: 14     
    54. Global variation in anastomosis and end colostomy formation following left-sided colorectal resection. BJS Open. 2019 Jun; 3(3):403-414. PMID: 31891112; PMCID: PMC6921967.
      Citations: 4     Translation:HumansPHPublic Health
    55. Fahim NK, Negida A, Fahim AK. Sample Size Calculation Guide - Part 3: How to Calculate the Sample Size for an Independent Case-control Study. Adv J Emerg Med. 2019; 3(2):e20. PMID: 31172131; PMCID: PMC6548115.
      Citations: 7     
    56. Abdel-Daim MM, Ahmed A, Ijaz H, Abushouk AI, Ahmed H, Negida A, Aleya L, Bungau SG. Influence of Spirulina platensis and ascorbic acid on amikacin-induced nephrotoxicity in rabbits. Environ Sci Pollut Res Int. 2019 Mar; 26(8):8080-8086. PMID: 30685861.
      Citations: 8     Fields:    Translation:AnimalsCells
    57. Ebada MA, Fayed N, Fayed L, Alkanj S, Abdelkarim A, Farwati H, Hanafy A, Negida A, Ebada M, Noser Y. Efficacy of Alpha-lipoic Acid in The Management of Diabetes Mellitus: A Systematic Review and Meta-analysis. Iran J Pharm Res. 2019; 18(4):2144-2156. PMID: 32184879; PMCID: PMC7059057.
      Citations: 4     
    58. Ebada MA, Alkanj S, Ebada M, Abdelkarim AH, Diab A, Aziz MAE, Soliman AM, Fayed N, Bahbah EI, Negida A. Safety and Efficacy of Levetiracetam for the Management of Levodopa- Induced Dyskinesia in Patients with Parkinson's Disease: A Systematic Review. CNS Neurol Disord Drug Targets. 2019; 18(4):317-325. PMID: 30868968.
      Citations: 2     Fields:    Translation:Humans
    59. Pooled analysis of WHO Surgical Safety Checklist use and mortality after emergency laparotomy. Br J Surg. 2019 Jan; 106(2):e103-e112. PMID: 30620059; PMCID: PMC6492154.
      Citations: 14     Fields:    Translation:Humans
    60. Negida AS. Egypt's Premier Medical Student Research Group: A New Model for Medical Student Research in Developing Countries. Cureus. 2018 Nov 08; 10(11):e3561. PMID: 30648093; PMCID: PMC6325031.
      Citations: 1     
    61. Khaled Fahim N, Negida A. Sample Size Calculation Guide - Part 2: How to Calculate the Sample Size for an Independent Cohort Study. Adv J Emerg Med. 2019; 3(1):e12. PMID: 31172123; PMCID: PMC6548083.
      Citations: 8     
    62. Khaled Fahim N, Negida A. Sample Size Calculation Guide - Part 1: How to Calculate the Sample Size Based on the Prevalence Rate. Adv J Emerg Med. 2018; 2(4):e50. PMID: 31172113; PMCID: PMC6548147.
      Citations: 9     
    63. Fouda S, Kelany M, Moustafa N, Abushouk AI, Hassane A, Sleem A, Mokhtar O, Negida A, Bassiony M. Tobacco smoking in Egypt: a scoping literature review of its epidemiology and control measures. East Mediterr Health J. 2018 May 03; 24(2):198-215. PMID: 29748949.
      Citations: 4     Fields:    Translation:Humans
    64. Imam MA, Negida AS, Elgebaly A, Hussain AS, Ernstbrunner L, Javed S, Jacob J, Churchill M, Trikha P, Newman K, Elliott D, Khaleel A. Titanium Elastic Nails Versus Spica Cast in Pediatric Femoral Shaft Fractures: A Systematic Review and Meta-analysis of 1012 Patients. Arch Bone Jt Surg. 2018 May; 6(3):176-188. PMID: 29911134; PMCID: PMC5990710.
      Citations: 7     
    65. Abushouk AI, Negida A, Elshenawy RA, Zein H, Hammad AM, Menshawy A, Mohamed WMY. C-Abl Inhibition; A Novel Therapeutic Target for Parkinson's Disease. CNS Neurol Disord Drug Targets. 2018 04 26; 17(1):14-21. PMID: 28571531.
      Citations: 15     Fields:    Translation:HumansAnimals
    66. Laparoscopy in management of appendicitis in high-, middle-, and low-income countries: a multicenter, prospective, cohort study. Surg Endosc. 2018 08; 32(8):3450-3466. PMID: 29623470.
      Citations: 19     Fields:    Translation:HumansPHPublic Health
    67. Negida A, Elminawy M, El Ashal G, Essam A, Eysa A, Abd Elalem Aziz M. Subthalamic and Pallidal Deep Brain Stimulation for Parkinson's Disease. Cureus. 2018 Feb 26; 10(2):e2232. PMID: 29713577; PMCID: PMC5919761.
      Citations: 4     
    68. Zein H, Ismail A, Abdelmongy M, Elsherif S, Hassanen A, Muhammad B, Assaf F, Elsehili A, Negida A, Yamane S, Abdel-Daim MM, Kadonosono K. Autologous Blood for Conjunctival Autograft Fixation in Primary Pterygium Surgery: A Systematic Review and Meta-analysis. Curr Pharm Des. 2018; 24(35):4197-4204. PMID: 30277146.
      Citations: 1     Fields:    Translation:Humans
    69. Ahmed H, Abushouk AI, Menshawy A, Attia A, Mohamed A, Negida A, Abdel-Daim MM. Meta-Analysis of Grazoprevir plus Elbasvir for Treatment of Hepatitis C Virus Genotype 1 Infection. Ann Hepatol. 2018 January-February; 17(1):18-32. PMID: 29311409.
      Citations: 8     Fields:    Translation:HumansCells
    70. Ahmed H, Hammad AM, Abushouk AI, Zidan M, Salem M, Negida A, Abdel-Daim MM. Meta-analysis of safety and efficacy of rolapitant, NK-1 receptor antagonist for prevention of chemotherapy-induced nausea and vomiting. Curr Probl Cancer. 2018 Mar - Apr; 42(2):241-255. PMID: 29310827.
      Citations: 4     Fields:    Translation:Humans
    71. Ahmed H, Abushouk AI, Menshawy A, Mohamed A, Negida A, Loutfy SA, Abdel-Daim MM. Safety and Efficacy of Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir with or without Ribavirin for Treatment of Hepatitis C Virus Genotype 1: A Systematic Review and Meta-analysis. Clin Drug Investig. 2017 Nov; 37(11):1009-1023. PMID: 28871475.
      Citations: 5     Fields:    Translation:HumansCells
    72. Imam MA, Holton J, Horriat S, Negida AS, Grubhofer F, Gupta R, Narvani A, Snow M. A systematic review of the concept and clinical applications of bone marrow aspirate concentrate in tendon pathology. SICOT J. 2017; 3:58. PMID: 28990575; PMCID: PMC5632955.
      Citations: 22     
    73. Ahmed H, Abushouk AI, Attia A, Gadelkarim M, Gabr M, Negida A, Abdel-Daim MM. Safety and efficacy of sofosbuvir plus velpatasvir with or without ribavirin for chronic hepatitis C virus infection: A systematic review and meta-analysis. J Infect Public Health. 2018 Mar - Apr; 11(2):156-164. PMID: 28970099.
      Citations: 7     Fields:    Translation:HumansCells
    74. Menshawy A, Ahmed H, Ismail A, Abushouk AI, Ghanem E, Pallanti R, Negida A. Intranasal sumatriptan for acute migraine attacks: a systematic review and meta-analysis. Neurol Sci. 2018 Jan; 39(1):31-44. PMID: 28942578.
      Citations: 4     Fields:    Translation:Humans
    75. Elmaraezy A, Ismail A, Abushouk AI, Eltoomy M, Saad S, Negida A, Abdelaty OM, Abdallah AR, Aboelfotoh AM, Hassan HM, Elmaraezy AG, Morsi M, Althaher F, Althaher M, AlSafadi AM. Efficacy and safety of transcatheter aortic valve replacement in aortic stenosis patients at low to moderate surgical risk: a comprehensive meta-analysis. BMC Cardiovasc Disord. 2017 08 24; 17(1):234. PMID: 28836953.
      Citations: 10     Fields:    Translation:Humans
    76. Abushouk AI, El-Husseny MWA, Magdy M, Ismail A, Attia A, Ahmed H, Pallanti R, Negida A. Evidence for association between hepatitis C virus and Parkinson's disease. Neurol Sci. 2017 Nov; 38(11):1913-1920. PMID: 28780707.
      Citations: 4     Fields:    Translation:HumansAnimalsCells
    77. Baratloo A, Mirbaha S, Delavar Kasmaei H, Payandemehr P, Elmaraezy A, Negida A. Intravenous caffeine citrate vs. magnesium sulfate for reducing pain in patients with acute migraine headache; a prospective quasi-experimental study. Korean J Pain. 2017 Jul; 30(3):176-182. PMID: 28757917; PMCID: PMC5532524.
      Citations: 18     
    78. Awad K, Abushouk AI, AbdelKarim AH, Mohammed M, Negida A, Shalash AS. Bee venom for the treatment of Parkinson's disease: How far is it possible? Biomed Pharmacother. 2017 Jul; 91:295-302. PMID: 28477460.
      Citations: 11     Fields:    Translation:HumansAnimals
    79. Attia A, Abushouk AI, Ahmed H, Gadelkarim M, Elgebaly A, Hassan Z, Abdel-Daim MM, Negida A. Safety and Efficacy of Brodalumab for Moderate-to-Severe Plaque Psoriasis: A Systematic Review and Meta-Analysis. Clin Drug Investig. 2017 May; 37(5):439-451. PMID: 28197901.
      Citations: 9     Fields:    Translation:Humans
    80. Ahmed H, Abushouk AI, Gabr M, Negida A, Abdel-Daim MM. Parkinson's disease and pesticides: A meta-analysis of disease connection and genetic alterations. Biomed Pharmacother. 2017 Jun; 90:638-649. PMID: 28412655.
      Citations: 24     Fields:    Translation:HumansPHPublic Health
    81. Menshawy A, Ismail A, Abushouk AI, Ahmed H, Menshawy E, Elmaraezy A, Gadelkarim M, Abdel-Maboud M, Attia A, Negida A. Efficacy and safety of atazanavir/ritonavir-based antiretroviral therapy for HIV-1 infected subjects: a systematic review and meta-analysis. Arch Virol. 2017 Aug; 162(8):2181-2190. PMID: 28361290.
      Citations: 8     Fields:    Translation:HumansCells
    82. Elgebaly A, Elfil M, Attia A, Magdy M, Negida A. Neuropsychological performance changes following subthalamic versus pallidal deep brain stimulation in Parkinson's disease: a systematic review and metaanalysis. CNS Spectr. 2018 02; 23(1):10-23. PMID: 28236811.
      Citations: 7     Fields:    Translation:Humans
    83. Ismail A, Abushouk AI, Elmaraezy A, Abdelkarim AH, Shehata M, Abozaid M, Ahmed H, Negida A. Self-gripping versus sutured mesh fixation methods for open inguinal hernia repair: A systematic review of clinical trials and observational studies. Surgery. 2017 07; 162(1):18-36. PMID: 28249738.
      Citations: 4     Fields:    Translation:Humans
    84. Elmaraezy A, Abushouk AI, Kamel M, Negida A, Naser O. Should hand-assisted retroperitoneoscopic nephrectomy replace the standard laparoscopic technique for living donor nephrectomy? A meta-analysis. Int J Surg. 2017 Apr; 40:83-90. PMID: 28216391.
      Citations: 2     Fields:    Translation:Humans
    85. Elfil M, Negida A. Sampling methods in Clinical Research; an Educational Review. Emerg (Tehran). 2017; 5(1):e52. PMID: 28286859; PMCID: PMC5325924.
      Citations: 55     
    86. Delavar Kasmaei H, Amiri M, Negida A, Hajimollarabi S, Mahdavi N. Ketorolac versus Magnesium Sulfate in Migraine Headache Pain Management; a Preliminary Study. Emerg (Tehran). 2017; 5(1):e2. PMID: 28286809; PMCID: PMC5325888.
      Citations: 5     
    87. Negida A, Elfil M, Farahat E, Gabr M, Essam A, Attia D, Ahmed H. Caffeine; the Forgotten Potential for Parkinson's Disease. CNS Neurol Disord Drug Targets. 2017; 16(6):652-657. PMID: 27823571.
      Citations: 2     Fields:    Translation:HumansAnimals
    88. Ahmed H, Gadelkarim M, Morsi M, Awad K, Elnenny M, Ghanem E, El-Jaafary S, Negida A. Meta-Analysis of Creatine for Neuroprotection Against Parkinson's Disease. CNS Neurol Disord Drug Targets. 2017; 16(2):169-175. PMID: 27823574.
      Citations: 4     Fields:    Translation:HumansAnimals
    89. Abushouk AI, Negida A, Ahmed H, Abdel-Daim MM. Neuroprotective mechanisms of plant extracts against MPTP induced neurotoxicity: Future applications in Parkinson's disease. Biomed Pharmacother. 2017 Jan; 85:635-645. PMID: 27890431.
      Citations: 32     Fields:    Translation:HumansAnimals
    90. Negida A, Attia D. Comments on the paper "Efficacies of globus pallidus stimulation and subthalamic nucleus stimulation for advanced Parkinson's disease: a meta-analysis of randomized controlled trials". Clin Interv Aging. 2016; 11:1599-1600. PMID: 27877029.
      Citations:    Fields:    Translation:Humans
    91. Abushouk AI, Negida A, Ahmed H. An updated review of Zika virus. J Clin Virol. 2016 11; 84:53-58. PMID: 27721110.
      Citations: 34     Fields:    Translation:HumansAnimalsCellsPHPublic Health
    92. Ahmed H, Elgebaly A, Abushouk AI, Hammad AM, Attia A, Negida A. Correction: Safety and efficacy of sofosbuvir plus ledipasvir with and without ribavirin for chronic HCV genotype-1 infection: a systematic review and meta-analysis. Antivir Ther. 2017; 22(5):457. PMID: 27658518.
      Citations:    Fields:    
    93. Ahmed H, Elgebaly A, Abushouk AI, Hammad AM, Attia A, Negida A. Safety and efficacy of sofosbuvir plus ledipasvir with and without ribavirin for chronic HCV genotype-1 infection: a systematic review and meta-analysis. Antivir Ther. 2017; 22(5):369-379. PMID: 27588749.
      Citations: 5     Fields:    Translation:HumansAnimalsCells
    94. Elgebaly A, Menshawy A, El Ashal G, Osama O, Ghanem E, Omar A, Negida A. Sunitinib alone or in combination with chemotherapy for the treatment of advanced breast cancer: A systematic review and meta-analysis. Breast Dis. 2016 Jul 28; 36(2-3):91-101. PMID: 27612040.
      Citations: 5     Fields:    Translation:Humans
    95. Mortality of emergency abdominal surgery in high-, middle- and low-income countries. Br J Surg. 2016 Jul; 103(8):971-988. PMID: 27145169.
      Citations: 72     Fields:    Translation:HumansPHPublic Health
    96. Baratloo A, Rouhipour A, Forouzanfar MM, Safari S, Amiri M, Negida A. The Role of Caffeine in Pain Management: A Brief Literature Review. Anesth Pain Med. 2016 Jun; 6(3):e33193. PMID: 27642573; PMCID: PMC5018099.
      Citations: 21     
    97. Elgebaly A, Abdelazeim B, Mattar O, Gadelkarim M, Salah R, Negida A. Meta-analysis of the safety and efficacy of droxidopa for neurogenic orthostatic hypotension. Clin Auton Res. 2016 06; 26(3):171-80. PMID: 26951135.
      Citations: 21     Fields:    Translation:Humans
    98. Negida A, Menshawy A, El Ashal G, Elfouly Y, Hani Y, Hegazy Y, El Ghonimy S, Fouda S, Rashad Y. Coenzyme Q10 for Patients with Parkinson's Disease: A Systematic Review and Meta-Analysis. CNS Neurol Disord Drug Targets. 2016; 15(1):45-53. PMID: 26553164.
      Citations: 26     Fields:    Translation:Humans
    99. Safari S, Baratloo A, Elfil M, Negida A. Evidence Based Emergency Medicine; Part 4: Pre-test and Post-test Probabilities and Fagan's nomogram. Emerg (Tehran). 2016; 4(1):48-51. PMID: 26862553; PMCID: PMC4744617.
      Citations: 7     
    100. Zein H, Baratloo A, Negida A, Safari S. Ventilator Weaning and Spontaneous Breathing Trials; an Educational Review. Emerg (Tehran). 2016; 4(2):65-71. PMID: 27274515; PMCID: PMC4893753.
      Citations: 11     
    101. Safari S, Baratloo A, Elfil M, Negida A. Evidence Based Emergency Medicine; Part 5 Receiver Operating Curve and Area under the Curve. Emerg (Tehran). 2016; 4(2):111-3. PMID: 27274525; PMCID: PMC4893763.
      Citations: 51     
    102. Baratloo A, Hosseini M, Negida A, El Ashal G. Part 1: Simple Definition and Calculation of Accuracy, Sensitivity and Specificity. Emerg (Tehran). 2015; 3(2):48-9. PMID: 26495380; PMCID: PMC4614595.
      Citations: 74     
    103. Safari S, Baratloo A, Elfil M, Negida A. Evidence Based Emergency Medicine Part 2: Positive and negative predictive values of diagnostic tests. Emerg (Tehran). 2015; 3(3):87-8. PMID: 26495390; PMCID: PMC4608333.
      Citations: 6     
    104. Baratloo A, Safari S, Elfil M, Negida A. Evidence Based Emergency Medicine Part 3: Positive and Negative Likelihood Ratios of Diagnostic Tests. Emerg (Tehran). 2015; 3(4):170-1. PMID: 26495411; PMCID: PMC4608341.
      Citations: 6     
    105. Safari S, Baratloo A, Negida AS, Sanei Taheri M, Hashemi B, Hosseini Selkisari S. Comparing the interpretation of traumatic chest x-ray by emergency medicine specialists and radiologists. Arch Trauma Res. 2014 Nov; 3(4):e22189. PMID: 25738133; PMCID: PMC4329230.
      Citations: 10     
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    Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.