Publications by authors named "P C Rai"

Background: The role of skin tone in determining tooth shade preferences is crucial in aesthetic dentistry. This study aims to evaluate the impact of skin tone on tooth shade selection by comparing preferences between dental professionals and laypersons.

Methods: A cross-sectional study was conducted with 100 participants, including 50 dental specialists (prosthodontists and endodontists) and 50 laypersons (teachers, engineers, and business owners).

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Introduction: Radiological interventions in Budd-Chiari syndrome (BCS) include anatomical recanalization of the hepatic vein (HV), inferior vena cava (IVC) angioplasty and stenting. In case of technical difficulty and anatomical non-feasibility, an ultrasound-guided direct intrahepatic portosystemic shunt (DIPSS) is created. We aimed at evaluating the outcome of patients managed with DIPSS and comparing it with anatomical recanalization.

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The analysis of small carboxyl-containing metabolites (CCMs), such as tricarboxylic acid (TCA) cycle intermediates, provides highly useful information about the metabolic state of cells. However, their detection using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) methods can face sensitivity and specificity challenges given their low ionization efficiency and the presence of isomers. Ion mobility spectrometry (IMS), such as trapped ion mobility spectrometry (TIMS), provides additional specificity, but further signal loss can occur during the mobility separation process.

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Introduction: Depression is a growing public health concern in India but its prevalence is uneven across the country, possibly influenced by several sociodemographic factors. We aimed to assess the rural-urban disparity in the prevalence of depression and their associated sociodemographic and lifestyle-related factors.

Methods: Participants were middle-aged and older adults (≥45 years) from two parallel, prospective cohorts from rural (CBR-SANSCOG, n=4493) and urban (CBR-TLSA, n=972) southern India.

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Introduction: COVID-19 has immensely affected the mental health of all people with prominent effects among the COVID-19 survivors who underwent hospitalisation. The evidence of the long-term mental health implications among the recovered COVID-19 patients remains unknown in Nepal. The study aimed to determine the prevalence of depression and anxiety and the associated factors among COVID-19 recovered patients.

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