Publications by authors named "Parmar T"

Objective: Around 400,000 cataract operations are performed annually in the UK, with a complication rate of 1.95% and the associated financial costs at over £13 million. Cataract operations are occasionally cancelled when patients cannot attend.

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Human land-use intensification threatens arthropod (for example, insect and spider) biodiversity across aquatic and terrestrial ecosystems. Insects and spiders play critical roles in ecosystems by accumulating and synthesizing organic nutrients such as polyunsaturated fatty acids (PUFAs). However, links between biodiversity and nutrient content of insect and spider communities have yet to be quantified.

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Article Synopsis
  • Ductal stenting is a procedure used in children with transposition of great arteries and an underdeveloped left ventricle, aiming to retrain the ventricle before a surgical switch operation.
  • The study involved eight children who underwent ductal stenting, with their left ventricular function monitored through echocardiography before and after the procedure to assess its effectiveness and safety.
  • Results showed that ductal stenting successfully improved left ventricular size and function in most patients, with a few complications; overall, it is considered a beneficial alternative to traditional surgical methods for managing this condition.
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Introduction: Compromised neonatal intensive care unit neonates are at risk of acquiring late-onset infections (late-onset sepsis [LOS]). Neonates born with congenital anomalies (CAs) could have an additional LOS risk.

Methods: Utilising the population-based Australian and New Zealand Neonatal Network data from 2007 to 2017, bacterial LOS rates were determined in very preterm (VPT, <32 week), moderately preterm (MPT, 32-36 weeks), and term (FT, 37-41 weeks) neonates with or without CA.

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Background: Preterm infants often require non-invasive breathing support while their lungs and control of respiration are still developing. Non-invasive neurally adjusted ventilatory assist (NIV-NAVA) is an emerging technology that allows infants to breathe spontaneously while receiving support breaths proportional to their effort. This study describes the first Australian Neonatal Intensive Care Unit (NICU) experience of NIV-NAVA.

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During aging and in retinal degenerative diseases, vulnerable retinal pigment epithelial (RPE) cells are subject to mitochondrial dysfunction, creating a need for accessibility to tools which can facilitate assessment of the ocular posterior pole bioenergetics. Here, we present a protocol for quantifying mitochondrial respiration in the posterior eye cup (RPE-choroid-sclera) of young and old mice. We describe steps for eye cup dissection, optimization of tissue size, drug concentrations, and cycle conditions using the XF Cell Mito Stress Test.

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The integrity of epithelia is maintained within dynamic mechanical environments during tissue development and homeostasis. Understanding how epithelial cells mechanosignal and respond collectively or individually is critical to providing insight into developmental and (patho)physiological processes. Yet, inferring or mimicking mechanical forces and downstream mechanical signaling as they occur in epithelia presents unique challenges.

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Blooms of the red, filamentous cyanobacterium Planktothrix rubescens occur frequently in pre-alpine lakes in Europe, often with concomitant toxic microcystin (MC) production. Trophic transfer of MCs has been observed in bivalves, fish, and zooplankton species, while uptake of MCs into Diptera species could facilitate distribution of MCs into terrestrial food webs and habitats. In this study, we characterized a Planktothrix bloom in summer 2019 in Lake Mindelsee and tracked possible trophic transfer and/or bioaccumulation of MCs via analysis of phytoplankton, zooplankton (Daphnia) and emergent aquatic insects (Chaoborus, Chironomidae and Trichoptera).

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Introduction: There is uncertainty and lack of consensus regarding optimal management of patent ductus arteriosus (PDA). We aimed to determine current clinical practice in PDA management across a range of different regions internationally.

Materials And Methods: We surveyed PDA management practices in neonatal intensive care units using a pre-piloted web-based survey, which was distributed to perinatal societies in 31 countries.

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Background: Globally, occupational hazards are a concern, especially in waste management. With 31.2% of its population in urban areas, India is confronted with escalating waste management challenges.

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Unlabelled: Fishponds, despite being globally abundant, have mainly been considered as food production sites and have received little scientific attention in terms of their ecological contributions to the surrounding terrestrial environment. Emergent insects from fishponds may be important contributors of lipids and essential fatty acids to terrestrial ecosystems. In this field study, we investigated nine eutrophic fishponds in Austria from June to September 2020 to examine how Chlorophyll- concentrations affect the biomass of emergent insect taxa (i.

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Introduction: Hepatitis B virus (HBV) is global health problem. Family members of HBV infected people are considered as high-risk groups due to frequent household transmission of HBV among contacts of HBsAg carriers. The present study aimed to investigate the intrafamilial transmission of HBV among family members of HBV-infected persons and to identify the risk factors for viral transmission in these setting.

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Background The incidence of diphtheria cases has declined significantly from 1,00,000 cases in 1980 to 2500 in 2015 globally. India contributed to half of the diphtheria cases reported globally from 2001 to 2015. The disease has higher case mortality and morbidity rate due to various geographic-specific factors.

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The neuropeptide galanin receptor 3 (GALR3) is a class A G protein-coupled receptor (GPCR) broadly expressed in the nervous system, including the retina. GALR3 is involved in the modulation of immune and inflammatory responses. Tight control of these processes is critical for maintaining homeostasis in the retina and is required to sustain vision.

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A graphene disk metasurface-inspired refractive index sensor (RIS) with a subwavelength structure is numerically investigated to enhance the functionality of flexible metasurface in the biosensor sector. The main aim behind the sensor development is to detect amino acids with high sensitivity. The results in form of transmittance and the electric field intensity are carried out to verify the sensor's performance.

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An oral route for drug administration is a more suitable route because of its ease of administration, pain avoidance, patient compliance, accommodation of various types of drug molecules, etc. But there are many factors affecting the oral absorption of the drugs. The main factor associated with oral absorption is drug solubility.

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Climate change can decouple resource supply from consumer demand, with the potential to create phenological mismatches driving negative consequences on fitness. However, the underlying ecological mechanisms of phenological mismatches between consumers and their resources have not been fully explored. Here, we use long-term records of aquatic and terrestrial insect biomass and egg-hatching times of several co-occurring insectivorous species to investigate temporal mismatches between the availability of and demand for nutrients that are essential for offspring development.

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The balanced homeostasis of the G protein-coupled receptor (GPCR), rhodopsin (Rho), is required for vision. Misfolding mutations in Rho cause photoreceptor death, leading to retinitis pigmentosa (RP) and consequently blindness. With no cure currently available, the development of efficient therapy for RP is an urgent need.

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Article Synopsis
  • The levoatriocardinal vein is an uncommon condition, particularly when there’s no left-sided valvular atresia present.
  • The case presented involves a patient with multiple muscular ventricular septal defects and a small atrial septal defect.
  • Additionally, the patient experiences mitral regurgitation, which is the backward flow of blood through the mitral valve.
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Persons with dementia (PWD) benefit from participating in meaningful activities. This study's objective was to learn the characteristics of successful meaningful activities from community-based service providers who work with PWD. Six group interviews were performed with 15 unique professionals from an adult day service or community-based coordinated care program.

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Background/aims: To investigate visual impairment and disability, refractive error, and barriers to eye care in the homeless in Cardiff, United Kingdom.

Methods: Prospective cross-sectional study carried out on participants in homeless shelters in Cardiff. We collected participants socio-demographic profile, ocular history and access to eyecare services.

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Degeneration of photoreceptors caused by excessive illumination, inherited mutations, or aging is the principal pathology of blinding diseases. Pharmacological compounds that stabilize the visual receptor rhodopsin and modulate the cellular pathways triggering death of photoreceptors could avert this pathology. Interestingly, flavonoids can modulate the cellular processes, such as oxidative stress, inflammatory responses, and apoptosis, that are activated during retinal degeneration.

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Age-related macular degeneration (AMD) is a devastating retinal degenerative disease. Epidemiological reports showed an expected increasing prevalence of AMD in the near future. The only one existing FDA-approved pharmacological treatment involves an anti-vascular endothelial growth factor (VEGF) therapy with serious disadvantages.

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Rhodopsin (Rho) is a visual G protein-coupled receptor expressed in the rod photoreceptors of the eye, where it mediates transmission of a light signal into a cell and converts this signal into a nerve impulse. More than 100 mutations in Rho are linked to various ocular impairments, including retinitis pigmentosa (RP). Accordingly, much effort has been directed toward developing ligands that target Rho and improve its folding and stability.

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Introduction: Unpaid informal caregivers of adult care recipients, including persons with dementia, experience multiple unmet information needs and information management challenges.

Objectives: To understand the current personal health information management (PHIM) practices in informal caregiving for adults with and without dementia.

Methods: Semi-structured interviews were performed with ten informal caregivers-half of whom were caring for persons with dementia-and four formal caregivers at an adult day service.

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