unico hospital

Dr. Ishtiaq Ahmad

Senior Consultant
Clinical & Interventional Neurology

Dr. Ishtiaq Ahmad

MBBS, PhD (Japan), MD (Neurology, USA)

Consultation Hours:

Saturday-Thursday

(9 AM - 5 PM)

Academic Qualification:

  • MBBS - University of Dhaka, IPGMR (Currently BSMMU), Dhaka, Bangladesh 1987
  • PhD - Tohoku University School of Medicine, Sendai, Japan 1995
  • MD (Neurology, USA) - Wayne State University, Detroit MI, USA. 1999

Work Experience:

  • Before joining Unico Hospital he worked as Senior Consultant – Clinicial & Interventional Neurology at Asgar Ali Hospital, Dhaka, Bangladesh
  • Senior Consultant Asgar Ali Hospital, Dhaka, Bangladesh from May 23 to Dec 2024
  • Consultant Apollo Imperial Hospital Limited, Chattogram, Bangladesh from Aug ’19 to Apr ‘23 
  • Neurologist Sunnyview Neurology Practice, Reston VA  Jul ‘07 to Jul ‘19
  • Neurology Attending St. Agnes Hospital, Dept. of Neurology, Baltimore MD from Jul ’04 to Jun 07
  • Fellowship Cerebrovascular Neurology, Johns Hopkins Hospital, Baltimore MD from Jul ’03 to Jun ‘04 
  • Residency Neurology, Georgetown University Hospital, Washington DC From Jul ’00 to Jun ‘03
  • Internship Internal Medicine, Howard University Hospital, Washington DC From Jun ’99 to Jun ‘00
  • Postdoc Wayne State University, Detroit, MI from Sept ’95 to May ‘99 
  • Graduate Study Neuroscience, Tohoku University, Sendai, Japan from Jan ’90 to Aug ‘95 
  • Residency Surgery, BIRDEM, Dhaka, Bangladesh from Aug ’88 to Dec ‘89
  • Residency Neurosurgery, IPGMR, Dhaka, Bangladesh  from Apr ’88 to Aug ‘88 


Professional Skill:

  • EEG and Video EEG interpretation, EMG-NCS, ESI for spine pain Sleep studies interpretation and management of a sleep lab.
  • CT, CTA, CTP, MRI MRA reading and managing acute stroke patients.
  • Cerebral angiography, carotid stenting, mechanical embolectomy (ME) for AIS and aneurysm coiling for SAH.
  • Taking care of patients with Epilepsy, Neuromuscular disorder, MS, PD, Sleep disorder, Stroke etc at OPD.
  • Worked as general neurologist in the community in Virginia/Maryland for 15 years and Bangladesh for 5 years.

Professional Memberships:

  • American Academy of Neurology (AAN)

Key Research Experiences:

Tohoku Unioversity School of Medicine, Department of Neurosurgery: January 1990 to August 1995.

  • In rabbit model of cerebrtal vasospasm, vasodilating ability of intracranial implant of calcitonine gene-related peptide (CGRP) slow-release tablet was evaluated. ActaNeurochirurgica (Wein) 138:1230-1240, 1996
  • Development of intracranial atherosclerosis model. Japanese J of Stroke 14:855, 1992


Wayne State University School of Medicine: September 1995 to May 1999

  • Intracellular calcium modulation by metabotropic glutame receptors in cultured neurons. Stroke 29:329, 1998
  • Modulation of metabotropic receptor expression during neuronal injury. Society for Neuroscience Abstract 24:1255, 1998
  • Molecular mechanism of apoptosis induced by Bryostatin and Calbidine. Clinical Cancer Research 6:1328-1332, 2000

Key Publications:

1. Ahmad I, Tominaga T, Ogawa A, Yoshimoto T. Ruptured suprasellardermoid associated with middle cerebral artery aneurysm: Case report. Surgical Neurology 38:341-346; 1992

2. Ahmad I, Tominaga T, Suzuki M, Ogawa A, Yoshimoto T. Cavernous aneurysm associated with primitive trigeminal artery: Case report. Surgical Neurology 41:75-79; 1994

3. Ahmad I. Effect of calcitonin gene-related peptide and vasoactive intestinal polypeptide on delayed cerebral vasospasm after experimental subarachnoid hemorrhage in rabbits. No KekkanRenshuku 9:445-448, 1994 [Japanese]

4. Imaizumi S, Shimizu H, Ahmad I, Kaminuma T, Tajima M, Yoshimoto T. Effect of calcitonin gene-related peptide on delayed cerebral vasospasm after experimental subarachnoid hemorrhage in rabbits. Surgical Neurology 46:263-271, 1996

5. Kaminuma T, Ochiai N, Ehama R, Tajima M, Watabe K, Shimizu H, Ahmad I, Imaizumi S, Yoshimoto T. In vitro and in vivo release of calcitonin gene-related-related peptide. Drug Delivery System 11:49-54, 1996

6. Ahmad I, Imaizumi S, Shimizu H, Kaminuma T, Ochiai N, Tajima M, Yoshimoto T. Development of calcitonin gene- related peptide slow-release tablet implanted in CSF space for prevention of cerebral vasospasm after experimental subarachnoid hemorrhage. ActaNeurochirurgica (Wein) 138: 1230-1240, 1996

7. Vincent A, Mohammad Y, Ahmad I, Greenberg R, Maiese K. Metabotropic glutamate receptors prevent nitric oxide-induced programmed cell death. Journal of Neuroscience Research 50:549-564, 1997

8. Sato Y, Kikuchi N, Bamba T, Kaminuma T, Tajima M, Watabe K, Ahmad I, Shimizu H, Yoshimoto T. In vitro and in vivo evaluation of prolonged release microspheres and tablets containing calcitonin gene-related peptide. Yakuzaigaku 57:152-158, 1997

9. Kaminuma T, Shimizu H, Ahmad I, Ochiai N, Ehama R, Ohnuma M, Bamba T, Watabe K, Lerner EA, Imaizumi S, Tajima M, Yoshimoto T. Prevention of cerebral vasospasm by vasodilatory peptide maxadilan following subarachnoid hemorrhage in rabbits. Journal of Controlled Release 52:71-80, 1998

10. Maiese K, Ahmad I, TenBroeke M, Gallant J. Metabotropic glutamate receptor subtypes independently modulate neuronal intracellular calcium. Journal of Neuroscience Research 55:472-485, 1999

11. Beck FWI, Al-Katib AM, Ahmad I, Wall NR, Liu K, Mantsch HH, Mohammad RM. Bryostatin 1-induced modulation of nucleoside transporters and 2-chlorodeoxyadenosine influx in WSU-CLL cells. International Journal of Molecular Medicine 5:341-347, 2000

12. Ahmad I, Al-Katib AM, Beck FWI, Mohammad RM. Sequential treatment of a resistant chronic lymphocytic leukemia patient with Bryostatin 1 followed by 2-chlorodeoxyadenosine: Case report. Clinical Cancer Research 6:1328-1332, 2000

13. Ahmad I, Hassan MM, Hossain MA. An atypical case of viral encephalitis. Open Access J Neurol Neurosurg. 13(3): 555869.DOI: 10.19080/OAJNN.2020.13.555869; 2020

14. Ahmad I, Rahman S, Sato K. Case Report: Seronegative neuromyelitis optica in a Bangladeshi male. Open Access J Neurol Neurosurg 19(1): 556001.DOI: 10.19080/OAJNN.2024.19.556001; 2024

Key Scientific Presentations:

  • Ahmad I, Fujimori K, Yoshimoto T, Uenohara H, Takashi A. Cerebral atherosclerosis: An experimental study in rabbit. Japanese Journal of Stroke 14:855; 1992 [Japanese]
  • Imaizumi S, Ahmad I, Shimizu H, Sakurai Y, Kaminuma T, Yoshimoto T. Effect of calcitonin gene-related peptide and vasoactive intestinal polypeptide on delayed cerebral vasospasm after experimental subarachnoid hemorrhage in rabbits. Spasm Symposium 9:84; 1993 [Japanese]
  • Ahmad I, Shimizu H, Imaizumi S, Kaminuma T, Ochiai N, Tajima M, Yoshimoto, T. Prophylactic effect of calcitonin gene-related peptide slow release tablet in experimental cerebral vasospasm. Japanese Journal of Stroke 16:562; 1994 [Japanese]
  • Ahmad I, Imaizumi S, Shimizu H, Kaminuma T, Ochiai N, Tajima M, Yoshimoto T. Calcitonin gene-related peptide slow-release tablet implant at subarachnoid space for prophylaxis of cerebral vasopsasm after experimental subarachnoid hemorrage. Annual Meeting of the Japan Neurosurgical Society Abstracts 53:407; 1994 [Japanese]
  • Ahmad I, Kim L, TenBroeke M, Kue I, Maiese K. Metabotropic glutamate receptor induced neuroprotection involves regulation of intracellular calcium stores. Society for Neuroscience Abstracts 22:938; 1996
  • Ahmad I, TenBroeke M, Gallant J, Maiese K. Metabotropic glutamate receptor subtype 2 modulates internal celluar calcium stores. Society for Neuroscience Abstracts 23:1947; 1997
  • Ahmad I, TenBroeke M, Gallant J, Maiese K. Metabotropic glutamate receptor modulates intracelluar calcium through the metabotropic receptor subtype 2 and calcium induced calcium release. Stroke 29:329; 1998
  • States JC, Ahmad I, Gallant J, Maiese K. Selective loss of the metabotropic glutamate receptor subtype 4 message during free radical injury. Society for Neuroscience Abstracts 24:1255; 1998

Awards:

Monbusho Scholarship Japan