Publications by authors named "Felix Jebasingh"

In this study, we analysed the mutation spectrum in subjects with suspected lipodystrophy using a targeted Next-generation sequencing (NGS) approach. Subjects with suspected lipodystrophy were for screened six genes (AGPAT2, BSCL2, LMNA, PPARG, ZMPSTE24, INSR) and the variants identified were confirmed through Sanger sequencing. The clinical and biochemical parameters were compared among the mutation positive and negative subjects.

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Understanding the health culture of tribal community is important as health problems among tribal communities and their care is influenced by sociocultural factors, which will help in the implementation of health services. The conventional way of improving the access for the general populations may not suit the tribal populations owing to their distinct culture and owing to health systems factors as well. A stepwise process was followed for the development of a protocol to study to strengthen the implementation of National Programme for Prevention and Control of Non-Communicable Diseases.

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Objective: Thyrotoxic periodic paralysis is a rare manifestation of thyrotoxicosis. Here, we describe the clinical and biochemical features and treatment outcomes of this disorder.

Methods: This retrospective study was conducted at a tertiary care centre in southern India.

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  • * The study reviewed five patients with untreated hypothyroidism who showed complications like multicystic ovaries and delayed bone age, with some experiencing severe symptoms like menorrhagia and ovarian torsion.
  • * Early detection and a collaborative approach between gynecology and endocrinology are crucial for managing spontaneous OHSS, which can be life-threatening but is easy to treat with proper care.
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  • Thyroid storm is a rare but serious condition resulting from excessive thyroid hormones, with a mortality rate of 10%, and the study focused on understanding its characteristics among inpatients in India from 2004 to 2020.
  • Out of 35 patients studied, a majority were women, the most common cause was Graves' disease, and many presented with cardiovascular and gastrointestinal issues, while only about 42% showed central nervous system symptoms.
  • Nearly half of the patients had no prior diagnosis of thyroid issues, and the study suggested that the Japanese Thyroid Association's diagnostic criteria might differ from the Burch-Wartofsky score due to the lack of CNS symptoms in Indian patients.
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  • Diabetes-related foot ulcers (DFU) in the Asian Indian population lead to high rates of amputation (43.4%) and recurrence (42.4%), with many recurrences occurring on the same side as the initial ulcer.
  • Among 200 patients studied, key findings include a median age of 62, a median duration of diabetes of 15 years, and differing mortality rates based on healing versus amputation status, with higher mortality in amputees over a 10-year follow-up.
  • The study highlights that the risk of subsequent amputations is significantly higher for patients with a history of prior amputations, emphasizing the need for better long-term care and management of DFU in
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  • - The study examines the prevalence of type 2 diabetes among tribal populations in India, revealing a lower rate (4.77% based on RBG and 6.80% based on FBG) compared to the national average of 7.3% for the general population.
  • - Significant risk factors associated with higher diabetes prevalence include age, smokeless tobacco use, hypertension, and obesity.
  • - The research suggests that changes in dietary and lifestyle behaviors may lead to increased rates of hypertension and obesity in these communities, thereby raising diabetes prevalence, indicating a need for targeted healthcare interventions.
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Aims: The widely used dynamic disposition index, derived from oral glucose tolerance testing, is an integrative measure of the homeostatic performance of the insulin-glucose feedback control. Its collection is, however, time consuming and expensive. We, therefore, pursued the question if such a measure can be calculated at baseline/fasting conditions using plasma concentrations of insulin and glucose.

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  • This study investigates bone health in Indian men with Parkinson's disease (PD), focusing on parameters such as bone mineral density (BMD), trabecular bone score (TBS), and hip structural analysis (HSA) in comparison to matched controls.* -
  • Results indicate that while BMD is similar between both groups, TBS is significantly lower in men with PD and buckling ratios are higher in their femoral neck and inter-trochanteric regions, suggesting increased fracture risk.* -
  • The findings emphasize the need for comprehensive bone health assessments beyond just BMD in evaluating fracture risk for Indian men with PD due to prevalent vitamin D deficiency and high bone turnover markers.*
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We aimed to evaluate the predictive accuracy of InsuTAG index against M value of the hyperinsulinaemic-Euglycaemic clamp (HEC) procedure and fasting surrogate indices of insulin sensitivity/resistance in young, normoglycaemic, Asian Indian males. HEC studies were done in young (mean age 19.7 ± 1 years), non-obese (mean BMI 19.

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The prevalence of hypertension is increasing in the tribal population of India. Lifestyle modifications, including dietary changes and acculturation, are the main reasons for the high prevalence of hypertension among the Indian indigenous (tribal) population. This paper reports hypertension prevalence, awareness, treatment, control and risk factors among tribes in five districts of different geographical zones of India.

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Background: Asian Indians are at higher risk of cardiometabolic disease compared to other ethnic groups, and the age of onset is typically younger. Cardiac structure and function are poorly characterized in this ethnic group. In this study, we describe image-acquisition methods and the reproducibility of measurements and detailed echocardiography characteristics in two large Indian population-based cohorts (the New Delhi and Vellore Birth Cohorts) from India.

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Delayed hyponatraemia(DH) is a common complication following trans-sphenoidal surgery(TSS) for pituitary tumour. We evaluated the prevalence of DH following TSS, and assessed the factors associated with DH, including early post-operative diabetes insipidus(EPDI). This retrospective study included 100 TSS for pituitary tumours in 98 patients, over a period of 26 months.

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A brown tumor is one of the manifestations of hyperparathyroidism. It is a rare type of bone lesion that most often occurs in mandible, ribs, and large bones. Spinal involvement is extremely rare.

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Modelling insulin-glucose homeostasis may provide novel functional insights. In particular, simple models are clinically useful if they yield diagnostic methods. Examples include the homeostasis model assessment (HOMA) and the quantitative insulin sensitivity check index (QUICKI).

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Introduction Obesity being a global epidemic, currently has several adverse health outcomes. Weight stigma is a significant barrier to delivering quality services and also impairs clinical progress. We intended to study the association of stigma with demographic and clinical variables in obese patients to identify the obstacles in treatment-seeking, so stigma could be adequately addressed to improve clinical outcomes.

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Context: Pyknodysostosis is an uncommon inherited disorder associated with consanguinity, often presenting with sclerotic bone disease, short stature, dysmorphic features, and recurrent fragility fractures at an early age.

Case: A 34-year-old woman was evaluated for the cause of recurrent fragility fractures. She was born of a third-degree consanguineous marriage and had a twin brother who was of short stature.

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Objectives: Hypoglycemia unawareness (HUA) in patients with FCPD is common with an unclear etiology. We evaluated the prevalence, characteristics of HUA, glycemic variability (GV), its possible association with pancreatic glucagon secretion & cardiac autonomic function in patients with FCPD.

Methods: A two-week ambulatory glucose profile (AGP) and cardiac autonomic function test was done in patients with FCPD (n = 60), and categorized into UNAWARE (n = 44) and AWARE (n = 16) groups based on the Hypoglycemia Unawareness Index (HUI) score.

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Background And Aims: The measuring tools used for assessment of neuropathy include various questionnaires, monofilament testing, Biothesiometry and the gold standard test, nerve conduction studies (NCS). This study aims to evaluate the diagnostic accuracies of Michigan Neuropathy Screening Instrument (MNSI), Biothesiometry, Semmes Weinstein Monofilament (SWMF), Sural Radial Amplitude Ratio (SRAR) and minimal F wave latency as compared to conventional NCS and arrive at a simple diagnostic algorithm for early detection of Diabetic Peripheral Neuropathy (DPN).

Methods: In a cross-sectional observational study on 48 Type 2 diabetes mellitus patients, MNSI, Biothesiometry, SWMF and NCS including F waves and SRAR were done and diagnostic accuracies (sensitivity, specificity, positive and negative predictive values) calculated taking NCS as gold standard.

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Article Synopsis
  • Diabetes patients often develop sensory neuropathy, leading to painful neuropathy and ulcers; the NEURO TOUCH device is designed to streamline the diagnosis of this condition by combining various Quantitative Sensory Testing (QST) parameters in a single, portable unit.
  • The study assessed 317 individuals using NEURO TOUCH for tactile sensation, vibration, thermal threshold testing, and skin temperature measurement, with a subset of 30 subjects further analyzed for consistency.
  • Results showed slight mean differences in measurements compared to gold standard devices, indicating NEURO TOUCH is a user-friendly and effective tool for early detection of peripheral neuropathy in type 2 diabetes patients.
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Early onset hypertension is one of many major medical disorders that have evolved over the current millennium across both the developing as well as the developed world. Though various mechanisms have been postulated for the evolution of hypertension in these individuals, one of the most relevant ones is that of low birth weight and its association with hypertension. Barker from historical evidence has postulated the foetal onset adult disease (FOAD) or Thrifty phenotype on Low Birth Weight (LBW) associated hypertension.

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Unlabelled: This study from southern India showed that proximal hip geometry was significantly impaired in postmenopausal women with femoral neck fracture. The trabecular bone score (TBS), which is reflective of bone microarchitecture, was also significantly impaired in patients with fracture.

Introduction: There is limited information with regard to comprehensive bone health in Indian postmenopausal women with neck of femur fracture.

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Objective: Maturity-onset diabetes of the young (MODY) type 5 is caused by an autosomal dominant mutation in the gene. Our objective was to report a case of a young girl with bicornuate uterus and recurrent renal stones with diabetes mellitus (DM) without a family history that was diagnosed to be MODY 5.

Case Report: A 12-year-old girl presented with recurrent renal stones that were managed with lithotripsy and double-J stenting at various time points.

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Background And Aim: The dietary profiles of patients with type 2 diabetes mellitus (T2DM) from Southern India have been infrequently studied. We aimed to study the differences in dietary intake of macro and micronutrients in elderly patients of Type 2 diabetes mellitus (T2DM), with and without foot ulcers.

Methods: Elderly patients with T2DM and foot ulcers (n = 79; mean age: 60.

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