1.Intracranial hypotension due to shunt over drainagepresenting as reversible dorsal midbrain syndrome
Meena Gupta ; Yogesh Patidar ; Geeta A. Khwaja ; Debashish Chowdhury ; Amit Batra ; Abhijit Dasgupta
Neurology Asia 2014;19(1):107-110
Intracranial hypotension syndrome is an uncommon manifestation of shunt overdrainage; characterized
by a triad of postural headache, diffuse pachymeningeal gadolinium enhancement and low cerebrospinal
fluid opening pressure. We describe a young female with recurrent episodes of postural headaches
and reversible dorsal midbrain syndrome due to intracranial hypotension as a complication of shunt
overdrainage, and a subsequent improvement following shunt ligation.
2.Persistent cerebellar ataxia with cerebellar cognitive affective syndrome due to acute phenytoin intoxication: A case report
Meena Gupta ; Yogesh Patidar ; Geeta A. Khwaja ; Debashish Chowdhury ; Amit Batra ; Abhijit Dasgupta
Neurology Asia 2013;18(1):107-111
Phenytoin is one of the commonly used antiepileptic drugs. The common dose dependent and reversible
neurological side effects of phenytoin are nystagmus, diplopia, dysarthria, ataxia, incoordination,
chorioathetosis, orofacial dyskinesias and drowsiness. Persistent cerebellar dysfunction with cerebellar
atrophy is a well known complication of long term phenytoin use. There are several mechanisms
proposed including hypoxia due to frequent seizures or toxic effects of phenytoin on cerebellar Purkinje
cells. However, irreversible cerebellar dysfunction following acute phenytoin intoxication is rare. We
report a 20 year old female who presented with nystagmus, dysarthria, limb and truncal ataxia with
orofacial dyskinesias and chorea. She also had cognitive and affective symptoms in the form of reduced
attention, slow responses, lalling speech, blunting of affect, inappropriate laughter, reduced self care
and executive dysfunction. The symptoms started 2 weeks following the initiation of phenytoin 300mg/
day, given prophylactically following left basal ganglia bleed. Her serum phenytoin was in toxic range,
hence phenytoin was stopped. Her PET scan revealed bilateral cerebellar hypometabolism. At 6 months
follow up, she had persistent ataxia with cognitive and affective dysfunction and follow up MRI
showed diffuse cerebellar atrophy. The clinical and radiological fi ndings suggest that acute phenytoin
intoxication is responsible for persistent ataxia and cerebellar cognitive affective syndrome.
3.Progressive multifocal leukoencephalopathy in an immunocompetent patient: A case report
Meena Gupta ; Amit Batra ; Yogesh Patidar ; Debashish Chowdhury ; Geeta A. Khwaja ; Medha Tatke
Neurology Asia 2012;17(1):67-69
Progressive multifocal leukoencephalopathy (PML) is a progressive lethal demyelinating disease
of the brain, caused by JC virus. Reactivation of JC virus due to reduction of cellular immunity
especially in setting of AIDS, is the commonest underlying cause. PML has classically been described
in individuals with profound cellular immunosuppression such as patients with AIDS, haematological
malignancies, organ transplant recipients or those treated with immunosuppressive or immunomodulatory
medications for autoimmune diseases. Rarely it has also been diagnosed in cases with no or minimal
immunosuppression. Here, we report a 50 year-old man who presented with sudden onset multiple
neurologic defi cits. Neuroimaging, histopathology, and virology studies confi rmed the diagnosis of
PML. We could not however demonstrate any underlying immunodefi ciency state. Our case suggests
that absence of immunodefi ciency does not exclude the possibility of PML and should be considered
in immunocompetent patients with a typical clinical course and neuroimaging fi ndings.
4.Bio-effects of 5th generation electromagnetic waves on organs of human beings
Verma AMIT ; Kumar VIJAY ; Gupta SHIPRA
Global Health Journal 2023;7(4):206-211
Objectives:The uses of devices of electromagnetic waves(EMWs)are increasing day by day.Similarly,the gen-eration of the waves is increasing.The frequency spectrum of the generation of waves is also increased.In this manuscript,an analysis of the high frequency EMWs has been made by the electric fields generated due to the exposure of 5th generation(5 G)of mobile phones. Methods:Due to the emission of waves from the towers,the electric field is generated around the transmission tower of mobile phones.The electric fields are computed by the power of the transmission tower.The electric fields across the biological tissues/cells are also computed when the EMWs penetrate inside the body.The electric fields are made across the organs of different depths inside the body. Results:The induced electric fields inside the organs of the human beings are responsible for the absorption of energy from high frequency EMWs.The absorbed amount of energy from high frequency waves may become the cause of harmful effects on the life of organs of human beings. Conclusion:In this manuscript,after analysis of the computed electric fields inside the organs of human beings,it is concluded that the EMWs of 5 G spectrum of mobile phone towers may more harmful for the life of organs as 4th generation(4 G)spectrum of mobile phone waves.The energy absorption by the 4 G spectrum is lower than 5 G spectrum due to the range of frequency of waves.The effects on the pancreas,retina,skin,intestine,spleen,stomach and uterus are more than low water content organs like nails,bone,teeth etc.
5.Magnet retained intraoral-extra oral combination prosthesis: a case report.
Saurav BANERJEE ; Surender KUMAR ; Amit BERA ; Tapas GUPTA ; Ardhendu BANERJEE
The Journal of Advanced Prosthodontics 2012;4(4):235-238
Facial prosthesis is generally considered over surgical reconstruction to restore function and appearance in patients with facial defects that resulted from cancer resection. Retention of the prosthesis is challenging due to its size and weight. Retention can be achieved by using medical grade adhesives, resilient attachments, clips and osseointegrated implants. It can also be connected to obturator by magnets. This clinical report highlights the rehabilitation of a lateral midfacial defect with a two piece prosthesis that included an extra oral facial prosthesis and an intraoral obturator with the use of magnets.
Adhesives
;
Humans
;
Magnets
;
Prostheses and Implants
;
Retention (Psychology)
6.Acute megakaryoblastic blast crisis as a presentation manifestation of chronic myelogenous leukemia.
Jenna B BHATTACHARYA ; Richa GUPTA ; Amit SAMADHIYA
Blood Research 2017;52(2):137-139
No abstract available.
Blast Crisis*
;
Leukemia, Myelogenous, Chronic, BCR-ABL Positive*
;
Megakaryocyte Progenitor Cells*
7.Estimating the prevalence of oral manifestations in COVID-19 patients: a systematic review
Ankita GUPTA ; Kriti SHRIVASTAV ; Amit AGRAWAL ; Abhishek PUROHIT ; Roshan CHANCHLANI
Osong Public Health and Research Perspectives 2023;14(5):388-417
Objectives:
Patients with coronavirus disease 2019 (COVID-19) present with a variety of oral manifestations. Therefore, we conducted a systematic review to estimate the prevalence of oral lesions among COVID-19 patients.
Methods:
An extensive literature search of several electronic bibliographic databases (PubMed, Scopus, Science Direct, Litcovid) was conducted to retrieve all articles published in the English language from January 1, 2020 to March 31, 2023 that reported the prevalence of oral manifestations among COVID-19 patients. A meta-analysis of pooled prevalence was performed using Jamovi ver. 2.3 (2022). The I2 and Q statistics were used to assess heterogeneity between studies, and p-values < 0.01 were considered statistically significant.
Results:
In total, 79 studies with data from 13,252 patients were included. The articles were predominantly published in 2020 (n = 33), and Italy was the most common country (n = 14). Most of the affected patients more than 50 years old and women (56.6%). The most common sites of involvement were the tongue (n = 65), followed by the oral mucosa (n = 37) and lips (n = 19). High heterogeneity was found between studies. The most common oral manifestation was taste alteration, followed by xerostomia and ulceration, showing pooled prevalence rates of 48%, 35%, and 21%, respectively.
Conclusion
COVID-19 patients show various oral manifestations that may help clinicians identify the disease promptly. Recognition of the signs and symptoms of COVID-19 is critical for an early diagnosis and better prognosis.
8.Uncover This Tech Term: Transformers
Amit GUPTA ; Krithika RANGARAJAN
Korean Journal of Radiology 2024;25(1):113-115
9.Determining the Neurocognitive Status and the Functional Ability of Patients to Screen for HIV-Associated Neurocognitive Disorder (HAND)
Ritika AGARWAL ; Ravinder Singh AUJLA ; Amit GUPTA ; Mukesh KUMAR
Dementia and Neurocognitive Disorders 2020;19(1):19-27
BACKGROUND:
AND PURPOSE: To adequately evaluate the extent of neurocognitive impairment in patient living with human immunodeficiency virus (PLHIV), a battery of neuropsychological tests is typically administered which are neither cost effective nor time efficient in the outpatient clinical setting. The aim of the study was to assess neurocognitive status and functional ability of people living with HIV and find a brief screening tool to identify those who would benefit from a full diagnostic evaluation.
METHODS:
The study enrolled 160 PLHIV (80 pre-antiretroviral therapy [ART] and 80 on ART) fulfilling the inclusion and exclusion criteria. Neurocognitive assessment and an assessment of Functional ability was done by using the Montreal Cognitive Assessment (MoCA) and Lawton and Brody Instrumental Activities of Daily Living Scale scale, respectively.
RESULTS:
The study population consisted of 75.6% males and 24.4% females with mean age of 44±10 years. The overall prevalence of HIV associated neurocognitive disorder (HAND) in the study subjects was 52.5%. Of these, 47.5% had asymptomatic neurocognitive impairment and 5% had minor neurocognitive disorder. In MoCA, the most frequently affected domains were Language (97.6%), visuospatial ability (92.9%) and memory (71.4%).
CONCLUSIONS
The prevalence of HAND in both groups were similar suggesting that neurocognitive impairment starts early in HIV infection. Memory and Visuospatial function impairment had the most predictive potential for detecting the presence of HAND. HAND screening is recommended in all PLHIV at enrolment into care. Simple tools like MoCA can be used in busy outpatient settings by healthcare workers to screen for HAND.
10.Artificial Sweeteners: A Systematic Review and Primer for Gastroenterologists.
Marisa SPENCER ; Amit GUPTA ; Lauren VAN DAM ; Carol SHANNON ; Stacy MENEES ; William D CHEY
Journal of Neurogastroenterology and Motility 2016;22(2):168-180
Artificial sweeteners (AS) are ubiquitous in food and beverage products, yet little is known about their effects on the gastrointestinal (GI) tract, and whether they play a role in the development of GI symptoms, especially in patients with irritable bowel syndrome. Utilizing the PubMed and Embase databases, we conducted a search for articles on individual AS and each of these terms: fermentation, absorption, and GI tract. Standard protocols for a systematic review were followed. At the end of our search, we found a total of 617 eligible papers, 26 of which were included. Overall, there is limited medical literature available on this topic. The 2 main areas on which there is data to suggest that AS affect the GI tract include motility and the gut microbiome, though human data is lacking, and most of the currently available data is derived from in vivo studies. The effect on motility is mainly indirect via increased incretin secretion, though the clinical relevance of this finding is unknown as the downstream effect on motility was not studied. The specific effects of AS on the microbiome have been conflicting and the available studies have been heterogeneous in terms of the population studied and both the AS and doses evaluated. Further research is needed to assess whether AS could be a potential cause of GI symptoms. This is especially pertinent in patients with irritable bowel syndrome, a population in whom dietary interventions are routinely utilized as a management strategy.
Absorption
;
Beverages
;
Fermentation
;
Gastrointestinal Tract
;
Humans
;
Incretins
;
Irritable Bowel Syndrome
;
Microbiota
;
Sweetening Agents*