Name Rechdi Ahdab, MD, PhD
Title Head of Neurology Division
Primary Specialty Neurology Consultant
Languages Arabic, English & French
Contact Details
Email [email protected]
Phone +974 4400 4400

Social Media

Scope of Practice


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Most Recent

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  1. Ahdab R, Mansour A, Salem M, El Khoury C, Sabbouh T, Jabri T, Khazen G, Riachi R. The Efficacy of Transcranial Direct Current Stimulation in Patients with Medication Overuse Headaches Secondary to Chronic Migraines. J Clin Med. 2020 Apr; 9(4): 1075
  2. Ayache SS, Riachi N, Ahdab R, Chalah MA. Effects of Transcranial Direct Current Stimulation on Hand Dexterity in Multiple Sclerosis: A Design for a Randomized Controlled Trial. Brain Sci. 2020 Mar 23;10(3)
  3. Ahdab R, Mansour AG, Khazen G, El-Khoury C, Sabbouh TM, Salem M, Yamak W, Ayache SS, Riachi N. Cathodal Transcranial Direct Current Stimulation of the Occipital cortex in Episodic Migraine: A Randomized Sham-Controlled Crossover Study. J Clin Med. Dec 26;9(1), 2019
  4. Ahdab R, Madiha M. Shatila MM, Abed Rahman Shatila AR, Khazen G, Freiha J, Salem M, Makhoul K, Nawar R, El Nemr S, Ayache SS, Riachi N. Cortical Excitability Measures
  5. May Predict Clinical Response to Fampridine in Patients with Multiple Sclerosis and Gait Impairment. Brain Sci. Dec 5;9(12), 2019
  6. Ahdab R, Ayache SS, Hosseini H, Mansour AG, Kerschen P, Chalah MA, Farhat WH, Lefaucheur JP. Precise finger somatotopy revealed by focal motor cortex injury. Neurophysiol Clin. Dec 8. pii: S0987-7053(19)30385-5, 2019
  7. Ahdab R, Ayache SS, Hosseini H, Mansour AG, Kerschen P, Chalah MA, Farhat WH, Lefaucheur JP. Precise finger somatotopy revealed by focal motor cortex injury. Neurophysiol Clin. Dec 8. pii: S0987-7053(19)30385-5, 2019
  8. Schoucair R, Nicolas G, Ahdab R, Bejjani N, Abdalla EK. Posterior reversible encephalopathy syndrome (PRES) in mesenteric leiomyosarcoma: A case report. Int J Surg Case Rep., 49:96-101, 2018
  9. Ahdab R, Noureldine MH, Mohammedi K, Nader M, Zouari HG, Nordine T, Créange A, Lefaucheur JP, Ayache SS. The ulnar ratio as a sensitive and specific marker of acute inflammatory demyelinating polyneuropathy. Clin Neurophysiol. Aug;129(8):1699-1703, 2018
  10. Monlun M, Hugo M, Blanco L, Mohammedi M, Ahdab R, Alexandre L, Poirot-Mazeres S, Rajaobelina K, Rigalleau V. Nerve Action Potential Amplitudes, a robust marker of Diabetic Peripheral Neuropathy. Diabet Med. Diabet Med. Oct;35(10):1460-1461, 2018
  11. Ahdab R, Ayache S, Noureldine MHA, Nordine T, Lefaucheur JP. The medial plantar sensory response: A sensitive marker of acute Inflammatory demyelinating polyneuropathy. Clin Neurophysiol. Nov;128(11):2122-2124, 2017
  12. Noureldine MHA, Kikano R, Riachi N, Ahdab R. Hyperacoustic hypoacusis: A new pontine syndrome-Case report.  Brain Inj. Jun 19:1-2, 2017
  13. Chalah MA, Riachi N, Ahdab R, Mhalla A, Abdellaoui M, Créange A, Lefaucheur JP, Ayache SS. Effects of left DLPFC versus right PPC tDCS on multiple sclerosis fatigue. J Neurol Sci. Jan 15;372:131-137, 2017
  14. Noureldine MH, Sweid A, Ahdab R. Miller Fisher syndrome presenting as palate paralysis. J Neuroimmunol. Sep 15;298:130-1, 2016
  15. Ayache SS, Ahdab R, Chalah MA, Farhat WH, Mylius V, Goujon C, Sorel M, Lefaucheur JP. Analgesic effects of navigated motor cortex rTMS in patients with chronic neuropathic pain. Eur J Pain., 20:1413-22, 2016
  16. Ahdab R, Ayache SS, Brugières P, Farhat W, Lefaucheur JP. The hand motor hotspot is not always located in the hand knob: a neuronavigated transcranial magnetic stimulation study. Brain Topogr. Jul;29(4):590-7, 2016
  17. Ahdab R, Farhat WH, Chalah MA, Kerschen P, Lefaucheur JP, Ayache SS. Central and peripheral motor drive to the palatal muscles. Neurophysiol Clin. Feb 15, 2016
  18. Attal N, Ayache SS, Ciampi De Andrade D, Mhalla A, Baudic S, Jazat F, Ahdab R, Neves DO, Sorel M, Lefaucheur JP, Bouhassira D. Repetitive transcranial magnetic stimulation and transcranial direct current stimulation in neuropathic pain due to radiculopathy : a randomized sham controlled comparative study. Pain. Feb 3, 2016
  19. Chalah MA, Ayache SS, Riachi N, Ahdab R. Permanent reversal of essential tremor following a frontal lobe stroke. J Neurol Sci. Jul 15;354(1-2):133-4, 2015
  20. Chalah MA, Riachi N, Ahdab R, Créange A, Lefaucheur JP, Ayache SS. Fatigue in Multiple Sclerosis: Neural Correlates and the Role of Non-Invasive Brain Stimulation. Front Cell Neurosci. Nov 30;9:460, 2015
  21. Ghassibe-Sabbagh M, Deeb M, Salloum AK, Mouzaya F, Haber M, Al-Sarraj Y, Chami Y, Akle Y, Hirbli K, Nemr R, Ahdab R, Platt DE, Abchee AB, El-Shanti H, Zalloua PA. Multivariate epidemiologic analysis of type 2 diabetes mellitus risks in the  Lebanese population. Diabetol Metab Syndr. Aug 21;6(1):89, 2014
  22. Ayache SS, Créange A, Farhat WH, Zouari HG, Mylius V, Ahdab R, Abdellaoui M, Lefaucheur JP. Relapses in multiple sclerosis: effects of high-dose steroids on cortical excitability. Eur J Neurol. Jan 28, 2014
  23. Ahdab R, Kikano R, Saade H, Riachi N. Early corticospinal tract Wallerian degeneration versus mesencephalic substantia nigra degeneration secondary to striatal stroke. Clin Neurol Neurosurg.,118:101-2, 2014
  24. Ayache SS, Gracies JM, Ahdab R, Farhat WH, Fenelon G, Lefaucheur JP. Action-induced clonus: Underlying mechanisms revisited. Clinical Neurophysiology, Dec 3, 2013
  25. Ahdab R, Ayache SS, Farhat W, Kerschen P, Lefaucheur JP. Motor evoked potentials of the palatal muscles. Clinical Neurophysiology, Dec 21, 2013
  26. Ahdab R, Riachi N. Reexamining the Added Value of Intermittent Photic Stimulation and Hyperventilation in routine EEG practice. European Neurology, 71:93-98, 2014
  27. Ahdab R, Ayache SS, Farhat WH, Veit Mylius V, Schmidt S, Brugières P, Lefaucheur JP.
  28. A reappraisal of the anatomical landmarks of motor and premotor cortical regions for imageguided brain navigation in TMS practice. Human Brain Mapping. Sep 3. doi:1002/hbm.22339, 2013
  29. Ahdab R, Saade HS, Kikano R, Ferzli J, Tarcha W, Riachi N. Pure ipsilateral central facial palsy and contralateral hemiparesis secondary to ventro-medial medullary stroke. J Neurol Sci. Jul 9. doi:pii: S0022-510X(13)00305-5. 10.1016/j.jns.2013.06.028, 2013
  30. Ahdab R, Creange A, Saint-Val C, Farhat W, Leufaucheur JP. Rapidly progressive amyotrophic lateral sclerosis initially masquerading as a demyelinating neuropathy. Neurophysiol Clin. Jun;43(3):181-7, 2013
  31. Mylius V, Ayache SS, Ahdab R, Farhat WH, Zouari HG, Belke M, Brugières P, Wehrmann E, Krakow K, Timmesfeld N, Schmidt S, Oertel WH, Knake S, Lefaucheur JP. Definition of DLPFC and M1 according to anatomical landmarks for navigated brain stimulation: Inter-rater reliability, accuracy, and influence of gender and age. Neuroimage. Apr 6. doi:pii: S10538119(13)00311-X. 10.1016/j.neuroimage.2013.03.061, 2013
  32. Ahdab R, Riachi N. Vertical “half-and-a-half” syndrome. J Neurol Neurosurg Psychiatry. Aug;83(8):834-5. Epub 2012 May 21, 2012
  33. Lefaucheur JP, Ahdab R, Ayache SS, Lefaucheur-Ménard I, Rouie D, Tebbal T, Neves D, Ciampi de Andrade D. Pain related evoked potentials: a comparative study between electrical stimulation using a concentric planar electrode and laser stimulation using a CO2 laser. Neurophysiol Clin. Jun;42(4):199-206, 2012. Epub Jan 20, 2012
  34. Lefaucheur JP, Ayache SS, Sorel M, Farhat W, Zouari HG, Ciampi de Andrade D, Ahdab R, Ménard-Lefaucheur I, Brugières P, Goujon C. Analgesic effects of repetitive transcranial magnetic stimulation of the motor cortex in neuropathic pain: influence of theta burst stimulation priming. Eur J Pain. Apr 16, 2012
  35. Ayache SS, Ahdab R, Brugières P, Eizenbaum JF, Authier FJ, Fénelon G, Lefaucheur JP. A reappraisal of long-latency abdominal muscle reflexes in patients with propriospinal myoclonus. Movement disorder. 26:1759-63, 2011
  36. Farhat W, Ahdab R, Hosseini H. Congenital agenesis of internal carotid artery with ipsilateral Horner presenting as focal neurological symptoms. Vasc Health Risk Manag. Jan 26;7:37-40,  2011
  37. Boërio-Guéguen D, Ahdab R, Ayache SS, Kerschen P, André C, Créange A, Lefaucheur JP. Nerve excitability and conduction studies in a case of rapidly regressive acute motor neuropathy with multiple motor conduction blocks. J Periph Nerv Syst, 15:369-372, 2010
  38. van Meerbeeck P, Fénelon G, Ahdab R, Lefaucheur JP. Electrophysiological assessment of a case of limb myorhythmia. Clin Neurophysiol., 121:2180-3, 2010
  39. Ahdab R, Ayache SS, Maltonti F, Brugières P, Lefaucheur JP. Motor neuron disorder with tongue spasms due to pyrethroid insecticide toxicity. Neurology, 76:196-197, 2011
  40. Ahdab R, Lefaucheur JP  Electromyography and spinal stenosis. Pelvi-Périnéologie, 5:155163, 2010
  41. Ahdab R, Lefaucheur JP. Electrophysiological evaluation of cauda equina and lumbosacral cord lesions. Pelvi-Périnéologie, 5:22-27, 2010
  42. Ahdab R, S.S. Ayache, P. Brugières, J.-P. Lefaucheur. Comparison of “standard” and “navigated” procedures of TMS coil positioning over prefrontal or premotor targets in depressive patients. Neurophysiol Clin., 40:27-36, 2010
  43. Ahdab R, Lefaucheur JP, Benaderette S, Créange A. Cervical Spondylotic Atrophy Presenting as Dropped Head Syndrome. Clin Neurol Neurosurg., 111:874-6, 2009
  44. Neves DO, Lefaucheur JP, Ciampi de Andrade D, Hattou M, Ahdab R, Ayache SS, Le Guerinel C, Keravel Y. A reappraisal of the value of lateral spread response monitoring in the treatment of hemifacial spasm by microvascular decompression. J Neurol Neurosurg Psychiatry., 80:1375-80, 2009
  45. Ahdab R, Michel M, Neves DO, Lefaucheur JP. Persistent pseudo-conduction bloc as a sequel of axonal growth in vasculitic neuropathy. Muscle Nerve. 40:290-3, 2009
  46. Ahdab R, Lefaucheur JP, Malapert D, Touze E, Caudie C, André C, Créange A. Neuropathy with anti-disialosyl IgM antibodies and multifocal persistent motor conduction blocks. J Neur Neurosur Psychiatry, 80:700-702, 2009
  47. Ayache S, Ahdab R, Neves DO, Nguyen JP, Lefaucheur JP. Thalamic deep brain stimulation restores defective cerebello-cortical inhibition in multiple sclerosis tremor. Mov disorder, 24:467-479, 2009
  48. Ciampi de Andrade D, Ahdab R, Lefaucheur JP. Non-invasive cortical stimulation for the treatment of pain. Biocybernetics and Biomedical Engineering, 2008
  49. Lefaucheur JP, Antal A, Ahdab R, Ciampi de Andrate D, Fregni F, Khedr EM, Nitsche M, Paulus W. The use of repetitive transcranial stimulation (rTMS) and direct current stimulation (tDCS) to relieve pain. Brain stimulation,1:337-344, 2008
  50. Ahdab R, Riant F, Brugières P, Roujeau JC, Hodel J, Hosseini H. Familial cerebral cavernomatous malformations associated with palmar capillary telangiectasias. Neurology, 71:861-862, 2008
  51. Ahdab R, Drouet T. Palatal tremor, focal seizures and elevated anti-thyroid antibodies. Clin Neurol Neurosurgery,110:381-383, 2008
  52. Ahdab R, Thabuy F, Ménager de Froberville E, Brugières P, Hosseini H. Reversible vertebral artery stenosis following corticotherapy in giant cell arteritis. Eur Neurol, 59:331, 2008