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Articles 31 - 60 of 126
Full-Text Articles in Neurology
Can Selective Serotonin Reuptake Inhibitors (Ssri) Improve Motor Recovery After Stroke? What Is The Role Of Neuroplasticity?, Farzin Majeed, Ayeesha Kamran Kamal
Can Selective Serotonin Reuptake Inhibitors (Ssri) Improve Motor Recovery After Stroke? What Is The Role Of Neuroplasticity?, Farzin Majeed, Ayeesha Kamran Kamal
Department of Medicine
No abstract provided.
Hallucinations—Psychosis Related To Parkinson’S Disease, Kevin J. Black
Hallucinations—Psychosis Related To Parkinson’S Disease, Kevin J. Black
Kevin J. Black, MD
No abstract provided.
Deregulation Of Micrornas By Hiv-1 Vpr Protein Leads To The Development Of Neurocognitive Disorders, Ruma Mukerjee, J Robert Chang, Luis Del Valle, Asen Bagashev, Monika M. Gayed, Randolph B. Lyde, Brian J. Hawkins, Eugen Brailoiu, Eric Cohen, Chris Power, S Ausim Azizi, Benjamin B. Gelman, Bassel E. Sawaya
Deregulation Of Micrornas By Hiv-1 Vpr Protein Leads To The Development Of Neurocognitive Disorders, Ruma Mukerjee, J Robert Chang, Luis Del Valle, Asen Bagashev, Monika M. Gayed, Randolph B. Lyde, Brian J. Hawkins, Eugen Brailoiu, Eric Cohen, Chris Power, S Ausim Azizi, Benjamin B. Gelman, Bassel E. Sawaya
School of Medicine Faculty Publications
Studies have shown that HIV-infected patients develop neurocognitive disorders characterized by neuronal dysfunction. The lack of productive infection of neurons by HIV suggests that viral and cellular proteins, with neurotoxic activities, released from HIV-1-infected target cells can cause this neuronal deregulation. The viral protein R (Vpr), a protein encoded by HIV-1, has been shown to alter the expression of various important cytokines and inflammatory proteins in infected and uninfected cells; however the mechanisms involved remain unclear. Using a human neuronal cell line, we found that Vpr can be taken up by neurons causing: (i) deregulation of calcium homeostasis, (ii) endoplasmic …
Mechanisms Of Neuronal Death Induced By Environmental Toxicants In Murine Cortical Culture, Travis Rush
Mechanisms Of Neuronal Death Induced By Environmental Toxicants In Murine Cortical Culture, Travis Rush
Dissertations (1934 -)
This study was directed at examining the neurotoxic mechanisms of several classes of environmental toxicants implicated in neurodegenerative disease. Primary cortical cultures were exposed to organophosphorus pesticides, heavy metals and the cyanobacterial toxin, beta-N-methylamino-L-alanine (BMAA). Several components relating to neuronal injury were assessed in each study and novel aspects are described.
The main action of organophosphorous insecticides is generally believed to be the inhibition of acetylcholinesterase. However, these compounds are now recognized to inhibit many other enzymes and cause neuronal death through a variety of mechanisms. I found that exposure to chlorpyrifos or diazinon caused concentration-dependent neurotoxicity that could not …
A Journal For Advocacy Of Neurological Sciences In Pakistan, Mohammad Wasay
A Journal For Advocacy Of Neurological Sciences In Pakistan, Mohammad Wasay
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Awareness Of Dementia Among General Population Of Islamabad/ Rawalpindi, Maimoona M. Siddiqui, Nauman S. Siddiqui, Ismail A. Khatri, Ahmed Y Javed, Farrukh Mateen, Yousaf Raza
Awareness Of Dementia Among General Population Of Islamabad/ Rawalpindi, Maimoona M. Siddiqui, Nauman S. Siddiqui, Ismail A. Khatri, Ahmed Y Javed, Farrukh Mateen, Yousaf Raza
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Earthquake And Seizures: Experience At Field Hospital Bagh Kashmir Pakistan, Ghulam Shabbir, Assad Ullah, Hazim Brohi, Abdul Malik, Shaukat Ali
Earthquake And Seizures: Experience At Field Hospital Bagh Kashmir Pakistan, Ghulam Shabbir, Assad Ullah, Hazim Brohi, Abdul Malik, Shaukat Ali
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Interobserver Variationbetween Neuroradiologist And Radiology Resident In The Mri Evaluation Of Lumbar Disc Herniation And Nerve Root Compression, Imaad Ur Rehman, Rana Shoaib Hamid, Waseem Akhtar, Rohana Nazqi, Mirza Amanullah Beg, Haji Ismail Siddiq
Interobserver Variationbetween Neuroradiologist And Radiology Resident In The Mri Evaluation Of Lumbar Disc Herniation And Nerve Root Compression, Imaad Ur Rehman, Rana Shoaib Hamid, Waseem Akhtar, Rohana Nazqi, Mirza Amanullah Beg, Haji Ismail Siddiq
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Keeping A High Index Of Suspicion Of Nonketotic Hyperglycinemia In Neonatal Encephalopathy, Shahnaz Ibrahim
Keeping A High Index Of Suspicion Of Nonketotic Hyperglycinemia In Neonatal Encephalopathy, Shahnaz Ibrahim
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Typical Mri Findings In Parsonage -Turner Syndrome, Dayananda L, Vaghela V, Kesavadas C, K T.R
Typical Mri Findings In Parsonage -Turner Syndrome, Dayananda L, Vaghela V, Kesavadas C, K T.R
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Status Epilepticus In Children: An Update, Nida Akhtar, Anwarul Haque, Khalid Ahmed
Status Epilepticus In Children: An Update, Nida Akhtar, Anwarul Haque, Khalid Ahmed
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Psychiatry, Haider A. Naqvi Dr.
Psychiatry, Haider A. Naqvi Dr.
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
My Patient's Brain Mri Has Cerebral Microbleeds--What Does This Finding Mean, Shaista Anwar Siddiqi, Ayeesha Kamran Kamal
My Patient's Brain Mri Has Cerebral Microbleeds--What Does This Finding Mean, Shaista Anwar Siddiqi, Ayeesha Kamran Kamal
Section of Neurology
No abstract provided.
Endovascular Approach As Primary Treatment For Traumatic Carotid Cavernous Fistula: Local Experience From Pakistan, Rana Shoaib Hamid, Tanveer Ul Haq, Muhammad Shahzad Shamim, Syed Faraz Kazim, Basit Salam
Endovascular Approach As Primary Treatment For Traumatic Carotid Cavernous Fistula: Local Experience From Pakistan, Rana Shoaib Hamid, Tanveer Ul Haq, Muhammad Shahzad Shamim, Syed Faraz Kazim, Basit Salam
Department of Radiology
Objective: To evaluate the technical success, complications and outcome of endovascular management of post traumatic carotid cavernous fistula (CCF) in patients presenting at a tertiary care hospital in Karahci.
Methods: Descriptive case series of 26 patients of post traumatic CCF treated by endovascular techniques was carried out at Radiology and Neurosurgery departments of Aga Khan University hospital between January 2010 to March 2010. Medical records and radiology reports were retrospectively reviewed from November 2000 to December 2009. The diagnosis was primarily clinical and was confirmed in all cases by CT or MRI. Endovascular procedures were performed under general anaesthesia through …
Strain-Dependent Variation In The Early Transcriptional Response To Cns Injury Using A Cortical Explant System, David J. Graber, Brent T. Harris, William F. Hickey
Strain-Dependent Variation In The Early Transcriptional Response To Cns Injury Using A Cortical Explant System, David J. Graber, Brent T. Harris, William F. Hickey
Dartmouth Scholarship
While it is clear that inbred strains of mice have variations in immunological responsiveness, the influence of genetic background following tissue damage in the central nervous system is not fully understood. A cortical explant system was employed as a model for injury to determine whether the immediate transcriptional response to tissue resection revealed differences among three mouse strains. Immunological mRNAs were measured in cerebral cortex from SJL/J, C57BL/6J, and BALB/cJ mice using real time RT-PCR. Freshly isolated cortical tissue and cortical sections incubated in explant medium were examined. Levels of mRNA, normalized to β-actin, were compared using one way analysis …
Cranioplasty After Decompressive Craniectomy: An Institutional Audit And Analysis Of Factors Related To Complications, Zain A. Sobani, Muhammad Shahzad Shamim, Syed Nabeel Zafar, Mohsin Qadeer, Najiha Bilal, Syed Ghulam Murtaza, Ather Enam, Muhammad Ehsan Bari
Cranioplasty After Decompressive Craniectomy: An Institutional Audit And Analysis Of Factors Related To Complications, Zain A. Sobani, Muhammad Shahzad Shamim, Syed Nabeel Zafar, Mohsin Qadeer, Najiha Bilal, Syed Ghulam Murtaza, Ather Enam, Muhammad Ehsan Bari
Section of Neurosurgery
Background:Although a relatively simple procedure, cranioplasties have been associated with high complication rates. Keeping this in perspective, we aimed to determine the factors associated with immediate and long-term complications of cranioplasties at our institution.
Methods: A retrospective review of Patient records was carried out for Patients having undergone reconstructive cranioplasties at our institution during the last 10 years (2001-2010). All case notes, records, and investigations were reviewed and the data were recorded in a predesigned questionnaire. Complications were recorded along with existing comorbids and measures taken for their prevention and management. Univariate and multivariate logistic regression analysis was performed …
A Reappraisal Of Stroke Mortality Trends In Brazil (1979 To 2009), Paulo A. Lotufo
A Reappraisal Of Stroke Mortality Trends In Brazil (1979 To 2009), Paulo A. Lotufo
Paulo A Lotufo
Background: Brazil has the highest cerebrovascular death rate in the Western Hemisphere. We investigated temporal trends according to gender and stroke subtypes. Methods: We analysed mortality rates between 1979 and 2009 for different stroke subtypes. Data were stratified by sex and age (35–74 y). The annual percent change (APC) and significant changes in the trends were identified with joinpoint Poisson regression. The average annual percent change (AAPC) for 2005-09 was presented because that period had the best quality of information. Results: After excluding deaths due to stroke sequels, for men, the APCs (95% confidence intervals) were: 1979-84: 0.7 (-0.8 to …
B-Cell Lymphoma Of The Brainstem With Central Neurogenic Hyperventilation, S. Ather Enam, Rushna Ali
B-Cell Lymphoma Of The Brainstem With Central Neurogenic Hyperventilation, S. Ather Enam, Rushna Ali
Section of Neurosurgery
Non-Hodgkin's lymphoma of the brainstem is a rare entity. Central Neurogenic Hyperventilation (CNH), an associated manifestation of this disease, is an even rarer event. We report a case of an immunocompetent individual who presented to us with tachypnea and facial nerve palsy. Neuroimaging showed a Cerebellopontine angle tumour which on histopathology showed feature consistent with a Non-Hodgkin's B-Cell Lymphoma. The patient went on to develop severe respiratory alkalosis with findings consistent with CNH. Chemotherapy with Methotrexate was started and high dose Dexamethasone was added to the regimen a month later. Radiologically, the tumour size decreased by 50% but the patient's …
Brain Activation And Connectivity In Non-Disabled Multiple Sclerosis Patients, Rene A. Colorado
Brain Activation And Connectivity In Non-Disabled Multiple Sclerosis Patients, Rene A. Colorado
Dissertations & Theses (Open Access)
Multiple sclerosis (MS) is the most common demyelinating disease affecting the central nervous system. There is no cure for MS and current therapies have limited efficacy. While the majority of individuals with MS develop significant clinical disability, a subset experiences a disease course with minimal impairment even in the presence of significant apparent tissue damage on magnetic resonance imaging (MRI). The current studies combined functional MRI and diffusion tensor imaging (DTI) to elucidate brain mechanisms associated with lack of clinical disability in patients with MS. Recent evidence has implicated cortical reorganization as a mechanism to limit the clinical manifestation of …
What Is The Role Of B-Vitamins In Stroke Prevention In Pakistan?, Maria Khan, Emmon Raza, Ayeesha Kamran Kamal
What Is The Role Of B-Vitamins In Stroke Prevention In Pakistan?, Maria Khan, Emmon Raza, Ayeesha Kamran Kamal
Department of Medicine
No abstract provided.
Treatment Of Cerebrospinal Fluid Leak During Spinal Cord Stimulator Implantation With Epidural Blood Patches, Farid Kia, Md, Linqiu Zhou, Md, Jason Berk, Md
Treatment Of Cerebrospinal Fluid Leak During Spinal Cord Stimulator Implantation With Epidural Blood Patches, Farid Kia, Md, Linqiu Zhou, Md, Jason Berk, Md
Department of Rehabilitation Medicine Faculty Papers
Conclusion:
Our data is consistent with prior studies in demonstrating that the incidence of dural puncture and CSF leak with SCS procedures is rare. Based on our experiences, performing an epidural blood patch intra-operatively on the contra-lateral side under fluoroscopy could prevent PDPH. This treatment should especially be considered in patients undergoing SCS trials in order to accurately assess the level of pain reduction. Patients with prior spine surgeries might pose higher risks for dural puncture and more extensive pre-operative assessment could be beneficial.
What Is The Role Of B-Vitamins In Stroke Prevention In Pakistan, Maria Khan, Emmon Raza, Ayeesha Kamran Kamal
What Is The Role Of B-Vitamins In Stroke Prevention In Pakistan, Maria Khan, Emmon Raza, Ayeesha Kamran Kamal
Section of Neurology
No abstract provided.
Non-Traumatic Coma In Paediatric Patients: Etiology And Predictors Of Outcome, Saba Ahmed, Kiran Ejaz, Muhammad Shahzad Shamim, Maimoona Azhar Salim, Muhammad Umer Rais Khan
Non-Traumatic Coma In Paediatric Patients: Etiology And Predictors Of Outcome, Saba Ahmed, Kiran Ejaz, Muhammad Shahzad Shamim, Maimoona Azhar Salim, Muhammad Umer Rais Khan
Department of Emergency Medicine
Objective: To determine the common etiological features of non-traumatic coma in children and evaluate possible predictors of morbidity and mortality in these patients.
Method: A cross sectional study was carried out at the Paediatric Department of Civil Hospital Karachi from February 2008 to February 2009. In total 100 children, up to 14 years of age having history of non-traumatic coma were included. At the time of enrolment demographic data, clinical features, laboratory parameters and radiological workup were recorded. Data was entered and analyzed with SPSS version 16. Descriptive statistics were generated for all variables. Relationships between categorical variables were evaluated …
Cranial Reconstruction After Decompressive Craniectomy: Prediction Of Complications Using Fuzzy Logic, Saniya Siraj Godil, Muhammad Shahzad Shamim, Ather Enam, Uvais Qidwai, Mohsin Qadeer, Zain A. Sobani
Cranial Reconstruction After Decompressive Craniectomy: Prediction Of Complications Using Fuzzy Logic, Saniya Siraj Godil, Muhammad Shahzad Shamim, Ather Enam, Uvais Qidwai, Mohsin Qadeer, Zain A. Sobani
Section of Neurosurgery
Introduction: Cranial reconstruction after decompressive craniectomy (DC) has been shown to be associated with a relatively high complication rate (16.4%-34%) compared with standard neurosurgical procedures (2%-5%). Most studies that have previously attempted to formulate a multivariate model for identifying factors predictive of postoperative complications of cranioplasty either were unsuccessful or yielded conflicting results. Therefore, fuzzy logic-based fuzzy inference system (FIS), which has proven to be a useful tool for risk prediction in medical and surgical conditions, was used in this study to identify predictors of complications of cranioplasty.
Methods: A retrospective chart review of all the patients who underwent DC …
Management Of Penetrating Brain Injury, Syed Faraz Kazim, Muhammad Shahzad Shamim, Muhammad Zubair Tahir, Ather Enam, Shahan Waheed
Management Of Penetrating Brain Injury, Syed Faraz Kazim, Muhammad Shahzad Shamim, Muhammad Zubair Tahir, Ather Enam, Shahan Waheed
Section of Neurosurgery
Penetrating brain injury (PBI), though less prevalent than closed head trauma, carries a worse prognosis. The publication of Guidelines for the Management of Penetrating Brain Injury in 2001, attempted to standardize the management of PBI. This paper provides a precise and updated account of the medical and surgical management of these unique injuries which still present a significant challenge to practicing neurosurgeons worldwide. The management algorithms presented in this document are based on Guidelines for the Management of Penetrating Brain Injury and the recommendations are from literature published after 2001. Optimum management of PBI requires adequate comprehension of mechanism and …
18 Years Old – Time For National Identification, I.A. Khatri
18 Years Old – Time For National Identification, I.A. Khatri
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Pre- And Post-Radiotherapy Predictors Of Functional Outcome And Survival In Metastatic Spinal Cord Compression, Mutahir A. Tunio, Altaf Hashmi
Pre- And Post-Radiotherapy Predictors Of Functional Outcome And Survival In Metastatic Spinal Cord Compression, Mutahir A. Tunio, Altaf Hashmi
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Brain Abscess Complicating Hemorrhagic Contusion In A Case Of Closed Head Injury, A.A. Wani, Altaf U Ramzan, Nayil K Malik, Furqan A Nizami, Anil Dhar, Ashish Kumar, M A Wani
Brain Abscess Complicating Hemorrhagic Contusion In A Case Of Closed Head Injury, A.A. Wani, Altaf U Ramzan, Nayil K Malik, Furqan A Nizami, Anil Dhar, Ashish Kumar, M A Wani
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
A Rare Case Of Candidal Meningitis In Immuna Competent Host, M. Mittal, Deepak Goel, Garima Mittal, Krishan K. Bansal
A Rare Case Of Candidal Meningitis In Immuna Competent Host, M. Mittal, Deepak Goel, Garima Mittal, Krishan K. Bansal
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Pakistan Society For Neurology Conference Abstracts
Pakistan Society For Neurology Conference Abstracts
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.