1.Distance between Midline and Vertebral Artery Groove of Atlas – A Real Aid to the Neurosurgeon
Mukesh S, Prabhat G, Mohd Salahuddin A, Kumar SR
Journal of Surgical Academia 2014;4(1):26-29
The knowledge of the relationship of the vertebral artery with the atlas is very important, in order to avoid any injury
to the vertebral artery, during surgeries in the craniovertebral region. Different researchers have measured the
distance of the vertebral artery from the midline along the posterior arch of atlas (oblique distance), but some authors
have measured the perpendicular distance of vertebral artery from the midline. Usually, it is the perpendicular
distance along which the surgeons are exploring in this region. Hence, the present study was planned to study and
compare both oblique and perpendicular distances of the vertebral artery from the midline and find out statistical
differences between these two parameters. It was carried out on 30 atlas vertebrae of Indian origin. The oblique and
perpendicular distances of vertebral artery groove from midline and the thickness of vertebral artery groove were
measured. The results suggest that dissection on the posterior aspect of the arch of atlas should remain 17.00 mm
lateral to the midline and dissection on the superior aspect of the arch of atlas should remain 8.00 mm from the
midline to prevent injury to the vertebral artery. It was also observed that “oblique distances of vertebral artery
groove from the midline to the medial margin of inner and outer cortex are larger than the corresponding
perpendicular distances from the midline”. Although, the differences of oblique and perpendicular distances are not
statistically significant but it may be clinically significant for the surgeons operating in the craniovertebral region.
Hence, it is concluded that the surgeon should be aware of both the distances while operating in the craniovertebral
region to avoid any iatrogenic injury to the vertebral artery.
2.A Study Of The Relationship Of Epilepsy With Psychoactive Substance Dependence In A Prison Population
Pankaj Sureka ; Sandeep Govil ; Naveen Kumar Girdhar ; Mukesh Kumar ; Vikas Singhal
ASEAN Journal of Psychiatry 2014;15(2):153-163
Objective: This study aimed to determine the prevalence of epilepsy in prisoners
suffering from substance dependence and the relationship between onset of
epilepsy and substance dependence in a prison population. Methods: The present
cross-sectional study in a prison population was conducted in Central Jail (CJ),
New Delhi, India over a period of 3 months. The convenience sample consisted of
900 subjects. The study group consisted of 450 prisoners taken from the deaddiction
ward and the rest were placed in the control group. Physical
examination and Mini Mental State Examination (MMSE) of subjects were done
to make necessary exclusion. Assessment tools were applied in the order starting
from MMSE, Basic Socio-demographic Performa, Present State Examination
(PSE), and Addiction Severity Index (ASI). Results: The average ages of study
and control subjects were 34.5 + 2.3 years (mean + standard deviation) and 35.6
+ 3.6 years respectively. Prevalence of epilepsy among substance using prisoners
was 1.4 times higher than in non-substance using prisoners. Alcohol, opioid, and
cannabis, either alone or in various combinations, were the most commonly used
substances. Subjects suffering from epilepsy were likely to have higher chances
of consuming three or more substances than those without problem of epilepsy.
Study subjects suffering from epilepsy compared with those without epilepsy
performed worse in all parameters. This is indicative of higher severity of
psychoactive substance dependence. Conclusion: Findings of high prevalence
rate of epilepsy and co-morbid substance dependence highlight the need for
better screening among epileptic subjects for substance abuse at entry into
prison for effective treatment while in custody, and at follow-up on release.
Specialist addiction services for prisoners have a considerable impact in a wellplanned
intervention programme for prisoners with substance use and comorbid
epilepsy. ASEAN Journal of Psychiatry, Vol. 15 (2): July – December
2014: 153-163.
3.Structural characterization of monoterpene indole alkaloids in ethanolic extracts of Rauwolfia species by liquid chromatography with quadrupole time-of-flight mass spectrometry
Kumar Sunil ; Singh Awantika ; Bajpai Vikas ; Srivastava Mukesh ; Singh Pratap Bhim ; Kumar Brijesh
Journal of Pharmaceutical Analysis 2016;6(6):363-373
Rauwolfia species (Apocynaceae) are medicinal plants well known worldwide due to its potent bioactive monoterpene indole alkaloids (MIAs) such as reserpine, ajmalicine, ajmaline, serpentine and yohimbine. Reserpine, ajmalicine and ajmaline are powerful antihypertensive, tranquilizing agents used in hypertension. Yohimbine is an aphrodisiac used in dietary supplements. As there is no report on the comparative and comprehensive phytochemical investigation of the roots of Rauwolfia species, we have developed an efficient and reliable liquid chromatography-tandem mass spectrometry (LC–MS/MS) method for ethanolic root extract of Rauwolfia species to elucidate the fragmentation pathways for dereplication of bioactive MIAs using high-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (HPLC–ESI–QTOF–MS/MS) in positive ion mode. We identified and established diagnostic fragment ions and fragmentation pathways using reserpine, ajmalicine, ajmaline, serpentine and yohimbine. The MS/MS spectra of reserpine, ajmalicine, and ajmaline showed C-ring-cleavage whereas E-ring cleavage was observed in serpentine via Retro Diels Alder (RDA). A total of 47 bioactive MIAs were identified and characterized on the basis of their molecular formula, exact mass measurements and MS/MS analysis. Reserpine, ajmalicine, ajmaline, serpentine and yohimbine were unambiguously identified by comparison with their authentic standards and other 42 MIAs were tentatively identified and characterized from the roots of Rauwolfia hookeri, Rauwolfia micrantha, Rauwolfia serpentina, Rauwolfia verticillata, Rauwolfia tetraphylla and Rauwolfia vomitoria. Application of LC–MS followed by principal component analysis (PCA) has been successfully used to discriminate among six Rauwolfia species.
4.Mechanism of action of natural products used in the treatment of diabetes mellitus.
Pranav Kumar PRABHAKAR ; Mukesh DOBLE
Chinese journal of integrative medicine 2011;17(8):563-574
Diabetes mellitus (DM) is a metabolic disorder caused by insufficient or inefficient insulin secretary response and it is characterized by increased blood glucose levels (hyperglycemia). DM is a heterogonous group of syndromes. Glucose is the main energy source for the body, and in the case of DM, management of glucose becomes irregular. There are three key defects in the onset of hyperglycemia in DM, namely increased hepatic glucose production, diminished insulin secretion, and impaired insulin action. Conventional drugs treat diabetes by improving insulin sensitivity, increasing insulin production and/or decreasing the amount of glucose in blood. This article provides a comprehensive review of the mode of action of most popular hypoglycemic herbs, such as ginseng, bitter melon, fenugreek, banaba, Gymnema sylvestre and Coptis chinensis. The herbs act by increasing insulin secretion, enhancing glucose uptake by adipose and skeletal muscle tissues, inhibiting intestinal glucose absorption and inhibiting hepatic glucose production. Although evidence from animals and humans consistently supports the therapeutic effect of these phytomedicines, multicenter large-scale clinical trials have not been conducted to evaluate the safety and efficacy of these herbal medicines and their interaction with conventional drugs when administered simultaneously.
Animals
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Biological Products
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chemistry
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therapeutic use
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Diabetes Mellitus
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drug therapy
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Humans
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Hypoglycemic Agents
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chemistry
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therapeutic use
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Plants, Medicinal
5.Sudarshan Kriya For Male Patients With Psycho Active Substance Dependence: A Randomized Control Trial
Pankaj Sureka ; Sandeep Govil ; Debadutta Dash ; Chandika Dash ; Mukesh Kumar ; Vikas Singhal
ASEAN Journal of Psychiatry 2015;16(1):28-37
Objectives: The aims of the study were to investigate whether Sudarshan Kriya
(SK), a form of Yoga and related practices can lead to increased Global
Assessment of Functioning (GAF) and increased feeling of wellness in patients
with substance dependence. Method: This was a 3-month single blind parallel
randomized controlled study with sample size of 111 patients which were
allocated by simple randomization to two groups. Study subjects were involved
in an intensive program of Sudarshan Kriya and practices (SK&P) which they
practised daily for 6 weeks. The control subjects were instructed to sit in an
armchair with their eyes closed and pay gentle attention to their breath. A
period sample of three months consisting of all patients admitted in De-addiction
(DAC) ward fulfilling study criteria was taken. Only male patients diagnosed to
be suffering from Substance Dependence by ICD-10 (DCR) criteria, aged
between 18-65 years were included in this study. The assessment tools were the
Basic Socio-demographic Performa, Mini Mental State Examination (MMSE),
Severity of Dependence Scale (SDS), Schedule for Clinical Assessment in
Neuropsychiatry (SCAN) based clinical interview, Global Assessment of
Functioning (GAF) and Psychological General Well Being (PGWB). These
assessments were conducted before starting the intervention and six weeks
thereafter. Results: In the final analysis, number of participants analyzed in the
study group was 55 and in the control group was 56. Majority of subjects were
unemployed, married individuals who did not have occupational skills of more
than skilled labour level. After six weeks of SK&P, statistically significant
improvement in study subject dimensional scores of GAF (48.43+/- 0.08 to
66.77+/-0.14), Anxiety (ANX) (9.64+/-0.52 to 15.66+/-0.38), Depressed Mood
(DEP)(7.19+/-0.2 to 9.18+/-0.37), Positive Well Being (PWB)(10.28+/-0.61 to
12.92+/-0.73), General Health (GH)(7.74+/-0.18 to 9.75+/-0.22) and Total
PGWB(41.46+/-0.35 to 59.28+/-0.63) were noticed. However, when compared
with control subjects, improvement was statistically significant in the case of
GAF (p=0.000158), Anxiety (ANX)(p=0.011), Positive Well Being
(PWB)(p=0.02), General Health (GH)(p=0.02) and Total PGWB(p=0.05); but not
in the case of Depressed Mood (DEP), Self Control (SC) and Vitality.
Conclusion: Practicing SK&P helps in improving Global Assessment of
Functioning, Psychological General Well Being, General Health (GH) and
positive well being of an individual. SK&P also causes significant reduction in
anxiety levels of an individual.
6.Rapid screening and distribution of bioactive compounds in different parts of Berberis petiolaris using direct analysis in real time mass spectrometry
Singh Awantika ; Bajpai Vikas ; Srivastava Mukesh ; Arya Ram Kamal ; Kumar Brijesh
Journal of Pharmaceutical Analysis 2015;5(5):332-335
Berberis petiolaris Wall. ex G. Don, an unexplored medicinal plant belonging to the family Berberidaceae, is a large deciduous shrub found in Western Himalaya between 1800-3000 m. Chemical profiling of fruit, leaf, root and stem was done by direct analysis in real time mass spectrometry followed by multivariate analysis for discrimination among the plant parts. The bioactive compounds, including magnoflorine, berberine, jatrorrhizine, thalifendine/berberrubine, demethyleneberberine, reticuline, 8-oxoberberine, N-methyltetrahydroberberine, tetrahydropalmatine, tetrahydroberberine and palmatine, were identified by their exact mass measurement and the corresponding molecular formula of each compound. A comparative study of distribution pattern for all these bioactive alkaloids showed qualitative and quantitative variations in different parts of B. petiolaris. Principal component analysis clearly dis-criminated each part of B. petiolaris plant.
7.Cryopreservation of Oocytes and Embryos by Vitrification
Mukesh Kumar GUPTA ; Hoon Taek LEE
Korean Journal of Fertility and Sterility 2010;37(4):267-291
Life can be kept in suspended animation either before fertilization at oocyte stage or after fertilization at different stages of embryonic development for a variety of reasons. It not only has potential applications in fertility preservation and management in human but also has important roles in the preservation and management of animal genetic resources, low-cost international movement of selected genetics, and rapid dissemination of germplasm through assisted reproductive technologies (ART) and genetic engineering. Currently, slow-freezing and vitrification are the two approaches by which oocytes and embryos can be cryopreserved for long-term storage. Both of these methods have their own advantages and disadvantages but allow the cryopreservation of oocytes and embryos with comparable efficiency. Vitrification of oocyte and embryos, although proven successful just 13 years after slow-freezing, is generally considered an emerging technology and appears to slow gain acceptance in both animal and human ART despite having controversial storage and contamination issues. In this manuscript, we discuss the basic techniques of oocyte/embryo cryopreservation and review the current status and recent developments in vitrification.
Animals
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Cryopreservation
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Embryonic Development
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Embryonic Structures
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Female
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Fertility Preservation
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Fertilization
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Genetic Engineering
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Humans
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Oocytes
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Pregnancy
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Reproductive Techniques, Assisted
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Vitrification
8.Correlation of fecal calprotectin and patient-reported outcome measures in patients with ulcerative colitis
Nagesh KAMAT ; Sudheer K VUYYURU ; Saurabh KEDIA ; Pabitra SAHU ; Bhaskar KANTE ; Peeyush KUMAR ; Mukesh Kumar RANJAN ; Mukesh Kumar SINGH ; Sambuddha KUMAR ; Vikas SACHDEV ; Govind MAKHARIA ; Vineet AHUJA
Intestinal Research 2022;20(2):269-273
9.Determinants of COVID-19 Vaccination Willingness among Health Care Workers: A Quick Online Survey in India
Rajesh KUMAR ; Kalpana BENIWAL ; Yogesh BAHURUPI ; Ravi KANT ; Mukesh BAIRWA
Korean Journal of Family Medicine 2021;42(6):445-452
Background:
The coronavirus disease 2019 (COVID-19) pandemic has caused a large number of deaths along with severe socio-economic effects. The vaccine is considered to be the last hope to control viral transmission. This study aimed to explore the determinants of health care workers’ (HCWs) willingness to take the COVID-19 vaccination.
Methods:
A structured, pre-validated, and pre-tested questionnaire was administered online to 599 HCWs including physicians, residents, and nurses from different types of healthcare set-ups across India. Information was collected regarding vaccine acceptability, attitude toward vaccination, and reasons for hesitancy. The chi-square test, followed by multinomial regression analysis, was applied to determine the factors associated with HCWs’ vaccination willingness.
Results:
It was found that 73 % (n=437) of HCWs were willing to accept the vaccines, while 10.85% (n=65) refused and 16.2% (n=96) needed more time to decide. Gender (P<0.001), occupation (P=0.040), working as front-line workers (P=0.008), vaccine manufacturing country preferences (P<0.001), and perceived risk of catching COVID-19 in the next 6 months (P=0.005) had a significant association with intent to receive vaccination (the response were “yes” vs. “no” and “not sure”). The reasons for vaccine hesitancy were vaccine safety and efficacy concerns, antivaccine attitude and beliefs, personal choice, and not wanting to take a vaccine before others.
Conclusion
The majority of HCWs agreed to take COVID-19 vaccines once available. Nevertheless, providing support to manage evolving vaccine environments will help change the perception of HCWs who refuse or are reluctant to take the vaccines.
10.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.