Publications by authors named "Manoj Kumar R"

Background: Frailty is a well-recognized clinical entity known to influence the outcomes of critically ill patients. Muscle ultrasound, particularly Quadriceps Muscle Layer Thickness (QMLT), assesses muscle mass, which is a key component determining frailty. However, no studies have assessed the association between frailty and QMLT.

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Background and objective Coronary artery bypass grafting (CABG) surgery patients undergo cardiac rehabilitation (CR) programs postoperatively to improve their course of recovery. The effectiveness of traditional CR programs is hampered by time constraints, financial burdens, transportation issues, and geographic restrictions. The coronavirus 2019 (COVID-19) pandemic and technological advances have led to the emergence of home-based CR programs using e-media, thereby improving accessibility.

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Context: Giant placental chorioangiomas (GPC) are exceedingly rare and harbour potential to cause feto-maternal complications with resultant morbidity.

Aims & Materials And Methods: A retrospective study using details from Department of Obstetrics & Gynaecology and Pathology is done to study the various clinical and pathological features of placental chorioangiomas with a special emphasis on the rare GPCs and associated complications.

Results: Over a period of 16 years, 20 cases were diagnosed as chorioangioma in our institution.

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Background: The human population residing in monazite bearing Kerala coast are exposed to chronic low dose and low dose rate external gamma radiation due to Th232 deposits in its beach sand. The radiation level in this area varies from < 1.0 to 45.

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Pregnancy in a woman with double outlet right ventricle, ventricular septal defect, and pulmonary stenosis is presented. Her previous two pregnancies ended in fetal losses. In the current pregnancy, she had thrombocytopenia, placenta previa, and severe fetal growth restriction.

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CuO nanostructures were reported for a myriad of applications in diverse areas such as high superconductors, field emitters, catalysts, gas sensors, magnetic storage, biosensors, superhydrophobic surfaces, energy materials etc. In all these applications, structural stability of the nanostructures is very important for efficient functioning of devices with a longer lifetime. Hence, it is necessary to understand the adhesion energy of these nanostructures with their substrates.

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Pheochromocytoma is a rare, catecholamine secreting tumor arising from chromaffin cells. Presentation of this tumor is highly variable, the most common being hypertension, tachycardia, sweating, and headache. Lactic acidosis and back pain are rare complications of this tumor.

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Failure of fixation between bone and implant surface due to bacterial infection, is one of the key challenges in total hip arthroplasty. It might lead to poor implant stability and complex revision surgery. Surface modification of an acetabular cup liner for sustained drug delivery is an effective approach to reduce the biofilms associated infection.

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Despite sterilization and aseptic procedure, bacterial infection remains a key challenge in total hip arthroplasties. This fact emphasizes the urgent need for development of new implant systems, which should releases the drug in a controlled manner without sparing its mechanical and tribological properties. In this study, the lining material of the acetabular cup, in total hip implant, has been modified for sustained release of drugs, which should be available throughout the site of implantation to fight the post-operation bacterial infection.

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CuO is a narrow bandgap semiconductor demonstrating applications in/as catalysts, gas sensors, adsorbents, and superconductors, and as electrodes of photocells, super-capacitors, and lithium-ion batteries. One-dimensional (1D) CuO nanostructures are of particular interest in most of these device applications, owing to their huge surface area. Strong bonding between nanomaterials and substrate is essential for extended device life.

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Telemonitoring is a medical practice that involves remotely monitoring patients who are not at the same location as the health care provider. The purpose of our study was to use handheld tele-electrocardiogram (ECG) developed by Bhabha Atomic Research Center (BARC) to identify heart conditions in the rural underserved population where the doctor-patient ratio is low and access to health care is difficult. The objective of our study was clinical validation of handheld tele-ECG as a screening tool for evaluation of cardiac diseases in the rural population.

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A total of 18 foot-and-mouth disease virus (FMDV) serotype Asia1 field isolates belonging to two different lineages (including the divergent group) as delineated earlier in VP1-based phylogeny were sequenced in the non-structural 3A and 3C protein-coding regions. The phylogenetic trees representing the regions coding for the non-structural proteins were very similar to that of the structural VP1 protein-coding region. Phylogenetic comparison at 3C region revealed clustering of Asia1 viruses with the isolates of serotypes O, A and C in the previously identified clade.

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Foot-and-mouth disease (FMD), the most economically important disease of cloven-hoofed animals, is endemic in India. Sequence analysis revealed that phylogenetic grouping of type Asia1 field isolates on the basis of the large fragment of the 5'untranslated region (5'LF-UTR) was quite similar to that based on the sequences of the capsid-coding (VP1) region of the same viruses. The existence of two distinct lineages of type Asia1 suggested by the study on the VP1 region was further supported by the detection of a difference in length and predicted secondary structure of the 5'LF-UTR between the two lineages.

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A total of 30 field isolates of foot-and-mouth disease virus (FMDV) serotype Asia1 belonging to two different lineages and five isolates belonging to a divergent group as delineated earlier in 1D (encodingVP1 protein) gene-based phylogeny were sequenced in the structural protein (P1) coding region. Phylogenetic comparison of these isolates along with some of the published exotic sequences revealed the presence of five different lineages around the world. Similar grouping pattern was observed for the P1 region and 1D gene-based phylogeny, where the Indian isolates were clustered in two genetic lineages.

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Changes in the nucleotide sequence of the 1D gene of two vaccine strains (IND 63/72 and IND 491/97) of Foot-and-mouth disease virus (FMDV) serotype Asia1 during serial cytolytic infections in cell culture have been analyzed. Sequence comparisons revealed a majority of transition mutations in IND 491/97. The mutation frequency of the 1D gene of IND 491/97 was about 4.

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Ochronosis, the musculoskeletal manifestation of alkaptonuria, is known to lead to degenerative changes of the spine and weight-bearing joints. Symptoms related to degeneration of tendons or ligaments with spontaneous ruptures have not previously been reported. Three patients are described with four spontaneous ruptures of either the patellar tendon or tendo Achillis as the first symptom of alkaptonuria.

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