1.An Unusual Case of Amoebic Liver Abscess Presenting with Hepatic Encephalopathy: A Case Report
Anil Kumar Sarda ; Rakesh Mittal
Malaysian Journal of Medical Sciences 2011;18(3):79-81
Amoebic liver abscess (ALA) with jaundice and encephalopathy is a rare occurrence and has
been recognised and studied more frequently in recent years. We present a case of massive ALA
presenting with jaundice, hepatic encephalopathy, and septicaemia that was treated successfully
with percutaneous drainage of the abscess, right-sided chest tube insertion, and anti-amoebic
therapy.
2.Nephrogenic epistaxis.
Rajeev KUMAR ; Kapil SIKKA ; Rakesh KUMAR ; Priti CHATTERJEE
Singapore medical journal 2014;55(7):e112-3
Metastatic renal cell carcinoma (RCC) in the nose and paranasal sinuses is very rare. We report an unusual case of metastatic RCC that presented as recurrent epistaxis ten years after curative nephrectomy. The purpose of this report is to draw the attention of clinicians to the possibility of metastatic RCC in patients with recurrent epistaxis and nasal mass. We also discuss treatment options and review the relevant literature.
Adult
;
Carcinoma, Renal Cell
;
diagnosis
;
secondary
;
therapy
;
Chemoradiotherapy
;
Diagnosis, Differential
;
Epistaxis
;
diagnosis
;
therapy
;
Humans
;
Indoles
;
therapeutic use
;
Kidney Diseases
;
diagnosis
;
therapy
;
Male
;
Neoplasm Metastasis
;
Nose
;
pathology
;
Nose Neoplasms
;
diagnosis
;
secondary
;
therapy
;
Positron-Emission Tomography
;
Pyrroles
;
therapeutic use
;
Recurrence
;
Tomography, X-Ray Computed
3.Cyanobacteria, Lyngbya aestuarii and Aphanothece bullosa as antifungal and antileishmanial drug resources
Kumar Maheep ; Tripathi Kumar Manoj ; Srivastava Akanksha ; Gour Kumar Jalaj ; Singh Kumar Rakesh ; Tilak Ragini ; Asthana Kumar Ravi
Asian Pacific Journal of Tropical Biomedicine 2013;(6):458-463
To investigate two cyanobacteria isolated from different origins i.e. Lyngbya aestuarii(L. aestuarii) from brackish water and Aphanothece bullosa (A. bullosa) from fresh water paddy fields for antifungal and antileishmanila activity taking Candida albicans and Leishmaniadonovain as targets. Methods: Biomass of L. aestuarii and A. bullosa were harvested after 40 and 60 d respectively and lyophilized twice in methanol (100%) and redissolved in methanol (5%) for bioassay. Antifungal bioassay was done by agar well diffusion method while antileishmanial, by counting cell numbers and flageller motility observation of promastigotes and amastigotes fromL. donovani . Fluconazole and 5% methanol were used as control. Results: Both the cyanobacteria were found to be potent source of antifungal activity keeping fluconazole as positive control, however, methanolic crude extract (15 mg/mL) of A. bullosa was found more potent (larger inhibition zone) over that of methanolic crude extract of L. aestuarii. Similarly antileishmanial activity of crude extract (24.0 mg/mL) of A. bullosa was superior over that of methanolic crude extract of L. aestuarii (25.6 mg/mL). Conclusions: Antifungal and antileishmanial drugs are still limited in the market. Screening of microbes possessing antifungal and antileishmanial activity drug is of prime importance. Cyanobacteria are little explored in this context because most of the drugs in human therapy are derived from microorganisms, mainly bacterial, fungal and actinomycetes. Thus in the present study two cyanobacterial strains from different origins showed potent source of antifungal and antileishmanial biomolecules.
4.Analysis of age dependent effects of heat stress on EEG frequency components in rats.
Biomedical and Environmental Sciences 2009;22(2):141-150
OBJECTIVETo demonstrate changes in different frequencies of cerebral electrical activity or electroencephalogram (EEG) following exposure to high environmental heat in three different age groups of freely moving' rats.
METHODSRats were divided into three groups (i) acute heat stress--subjected to a single exposure for four hours at 38 degrees C; (ii) chronic heat stress--exposed for 21 days daily for one hour at 38 degrees C, and (iii) handling control groups. The digital polygraphic sleep-EEG recordings were performed just after the heat exposure from acute stressed rats and on 22nd day from chronic stressed rats by simultaneous recording of cortical EEG, EOG (electrooculogram), and EMG (electromyogram). Further, power spectrum analyses were performed to analyze the effects of heat stress.
RESULTSThe frequency analysis of EEG signals following exposure to high environmental heat revealed that in all three age groups of rats, changes in higher frequency components (beta 2) were significant in all sleep-wake states following both acute and chronic heat stress conditions. After exposure to acute heat, significant changes in EEG frequencies with respect to their control groups were observed, which were reversed partly or fully in four hours of EEG recording. On the other hand, due to repetitive chronic exposure to hot environment, adaptive and long-term changes in EEG frequency patterns were observed.
CONCLUSIONThe present study has exhibited that the cortical EEG is sensitive to environmental heat and alterations in EEG frequencies in different sleep-wake states due to heat stress can be differentiated efficiently by EEG power spectrum analysis.
Aging ; Animals ; Body Temperature ; Electroencephalography ; Heat Stress Disorders ; physiopathology ; Male ; Rats ; Sleep Stages
5.Parkinsonism due to isolated substantia nigra involvement in probable Japanese encephalitis
Rakesh Shukla ; Veeresh Bajpai ; Himanshu Mehta ; Sanjay Gambhir ; Sanjay Prakash ; Ajai Kumar Singh
Neurology Asia 2008;13(1):113-115
Parkinsonism due to an isolated lesion of the substantia nigra following a febrile illness is a rare entity.
Anecdotal reports in the literature implicate substantia nigra as peculiarly susceptible to flaviviruses.
Here we report a case of isolated substantia nigra involvement in a probable Japanese encephalitis
patient who presented with post-encephalitic parkinsonism
6.Bone mineral density and urinary hydoxyproline are already abnormal in newly diagnosed patients with epilepsy in this North Indian study
Kiran Dahiya ; Aastha Bansal ; Surekha Dabla ; Rakesh Dhankhar ; Veena Singh ; Himanshu Devender Kumar ; Deepika Dalal
Neurology Asia 2015;20(3):229-233
Background & Objective:Epilepsy may have an impact on bone health of the patients even before
drug therapy is initiated, particularly in the developing countries. This is in view of long delay in
diagnosis and lifestyle changes. Therefore, in this study, bone health markers like bone mineral density
(BMD) and urinary hydroxyproline were assessed in newly diagnosed epilepsy patients. Methods: The
BMD was assessed by DEXA scan, and 24 hour urine hydroxyproline was estimated colorimetrically
in 25 newly diagnosed epilepsy patients. Other bone markers like calcium, phosphorus, vitamin D
and alkaline phosphatase were also estimated. Results were compared with 25 age and sex matched
healthy controls, and were analyzed statistically. Results: The BMD and vitamin D were found to be
significantly decreased (p<0.05) while serum alkaline phosphatase and urine calcium and phosphorus
were observed to be significantly increased p<0.05) in epilepsy patients as compared to healthy controls.
The difference in urinary hydroxyproline and serum calcium/ phosphorus in the two groups was not
found to be statistically significant (p>0.05).
Conclusions: Bone health is found to be already compromised in epilepsy patients in this study from
North India. BMD and urinary hydroxyproline may act as simple, non-invasive, convenient and
inexpensive markers to assess bone health in these patients
Bone Density
;
Epilepsy
7.Sarcopenia: Ammonia metabolism and hepatic encephalopathy
Ankur JINDAL ; Rakesh Kumar JAGDISH
Clinical and Molecular Hepatology 2019;25(3):270-279
Sarcopenia (loss of muscle mass and/or strength) frequently complicates liver cirrhosis and adversely affects the quality of life; cirrhosis related liver decompensation and significantly decreases wait-list and post-liver transplantation survival. The main therapeutic strategies to improve or reverse sarcopenia include dietary interventions (supplemental calorie and protein intake), increased physical activity (supervised resistance and endurance exercises), hormonal therapy (testosterone), and ammonia lowering agents (L-ornithine L-aspartate, branch chain amino acids) as well as mechanistic approaches that target underlying molecular and metabolic abnormalities. Besides other factors, hyperammonemia has recently gained attention and increase sarcopenia by various mechanisms including increased expression of myostatin, increased phosphorylation of eukaryotic initiation factor 2a, cataplerosis of α ketoglutarate, mitochondrial dysfunction, increased reactive oxygen species that decrease protein synthesis and increased autophagy-mediated proteolysis. Sarcopenia contributes to frailty and increases the risk of minimal and overt hepatic encephalopathy.
Ammonia
;
Aspartic Acid
;
Fibrosis
;
Hepatic Encephalopathy
;
Hyperammonemia
;
Liver
;
Liver Cirrhosis
;
Metabolism
;
Motor Activity
;
Myostatin
;
Peptide Initiation Factors
;
Phosphorylation
;
Proteolysis
;
Quality of Life
;
Reactive Oxygen Species
;
Sarcopenia
;
Testosterone
8.A bony foreign body found in a patient with no bony injury: a case report.
Devwart KAUSHIK ; Narendra JOSHI ; Rakesh KUMAR ; Shiv Kumar GOYAL ; Kamlesh KUMAR ; Sahil GABA
Chinese Journal of Traumatology 2014;17(6):367-369
Open fractures with bone loss are a common occurrence following high energy trauma. But usually the bone fragments are lost on the roadside and are not usable. We report a patient who was involved in a head-on collision between two wheelers and presented with a bone fragment embedded in his thigh. Radiological survey revealed no bony injury in that patient. Another patient, who presented at the same time, sustained a segmental fracture of shaft femur and was found to have lost a bone fragment that was similar to the one found in previous patient. CT scan with 3D reconstruction revealed this missing fragment to be the same as that found in previous patient. Both patients had a history of head-on collision while travelling on a two-wheeler. Present case report throws some highlights on the probable mechanism of injury.
Accidents, Traffic
;
Bone and Bones
;
injuries
;
Foreign Bodies
;
Thigh
;
injuries
9.C2 Superior Facetal Osteotomy: A Novel Technique in Complex Craniovertebral Junction Surgery for C1 Lateral Mass Screw Placement
Deepak Kumar SINGH ; Diwakar SHANKAR ; Vipin Kumar CHAND ; Rakesh Kumar SINGH ; Neha SINGH
Asian Spine Journal 2023;17(6):1125-1131
Complex craniovertebral junction (CVJ) defects account for a considerable proportion of CVJ diseases. Given the heavily assimilated C1, an unfavorable C1–C2 joint orientation, an overriding C2 superior facet, a low-hanging occiput, and an abnormal vertebral artery course with a high-riding vertebral artery, placement of C1 lateral mass screws might be difficult. To address this, a novel technique for placing C1 lateral mass screws that avoid vertebral artery injury, low-hanging occiput, and overriding C2 superior facet was developed in this study. This approach enables firm fixation of C1–C2 even in difficult situations where the placement of the C1 lateral mass is challenging.
10.Carpal Bone Fractures in Distal Radial Fractures: Is Computed Tomography Expedient?.
Paritosh GOGNA ; Rohit SINGLA ; Rakesh Kumar GUPTA
Clinics in Orthopedic Surgery 2014;6(1):101-102
No abstract available.
Carpal Bones/*injuries
;
Female
;
Fractures, Bone/*complications
;
Hand Injuries/*complications
;
Humans
;
Male
;
Radius Fractures/*complications