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Low body mass index is associated with adverse cardiovascular outcomes following PCI in India: ACC-NCDR registry. INTERNATIONAL JOURNAL OF CARDIOLOGY. CARDIOVASCULAR RISK AND PREVENTION 2024; 20:200230. [PMID: 38192277 PMCID: PMC10772713 DOI: 10.1016/j.ijcrp.2023.200230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/24/2023] [Accepted: 12/05/2023] [Indexed: 01/10/2024]
Abstract
Objective Registry-based prospective study was conducted to evaluate association of body mass index (BMI) with major adverse coronary events (MACE) following percutaneous coronary intervention (PCI). Methods Successive patients undergoing PCI were enrolled from April'19 to March'22 and classified into five BMI categories (<23.0,23.0-24.9,25.0-26.9,27.0-29.9, and ≥30.0 kg/m2). Clinical, angiographic features, interventions and outcomes were obtained by in-person or telephonic follow-up. Primary endpoints were (a) MACE(cardiovascular deaths, acute coronary syndrome or stroke, revascularization, hospitalization and all-cause deaths) and (b)cardiovascular deaths. Cox-proportionate hazard ratios(HR) and 95 % confidence intervals(CI) were calculated. Results The cohort included 4045 patients. Mean age was 60.3 ± 11y, 3233(79.7 %) were men. There was high prevalence of cardiometabolic risk factors. 90 % patients had acute coronary syndrome(STEMI 39.6 %, NSTEMI/unstable angina 60.3 %), 60.0 % had impaired ejection fraction(EF) and multivessel CAD. Lower BMI groups (<23.0 kg/m2) had higher prevalence of tobacco use, reduced ejection fraction(EF), multivessel CAD, stents, and less primary PCI for STEMI. There was no difference in discharge medications and in-hospital deaths. Median follow-up was 24 months (IQR 12-36), available in 3602(89.0 %). In increasing BMI categories, respectively, MACE was in 10.9,8.9,9.5,9.1 and 6.8 % (R2 = 0.73) and CVD deaths in 5.1,4.5,4.4,5.1 and 3.5 % (R2 = 0.39). Compared to lowest BMI category, age-sex adjusted HR in successive groups for MACE were 0.89,0.87,0.79,0.69 and CVD deaths 0.98,0.87,0.95,0.75 with overlapping CI. HR attenuated following multivariate adjustments. Conclusions Low BMI patients have higher incidence of major adverse cardiovascular events following PCI in India. These patients are older, with greater tobacco use, lower EF, multivessel CAD, delayed STEMI-PCI, and longer hospitalization.
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The Logo of the Endocrine Society of India. Indian J Endocrinol Metab 2023; 27:185-186. [PMID: 37292075 PMCID: PMC10245315 DOI: 10.4103/ijem.ijem_468_22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/03/2023] [Accepted: 02/03/2023] [Indexed: 06/10/2023] Open
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Association of type 2 diabetes with coronary risk factors, clinical presentation, angiography, coronary interventions and follow-up outcomes: A single centre prospective registry. Diabetes Metab Syndr 2023; 17:102709. [PMID: 36689890 DOI: 10.1016/j.dsx.2023.102709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 01/18/2023]
Abstract
BACKGROUND & AIMS To determine variations in coronary artery disease (CAD) clinical presentation, interventions, and outcomes in patients with diabetes vs without, a prospective study was performed. METHODS Successive patients with predominantly acute coronary syndromes who underwent percutaneous coronary intervention (PCI) were enrolled from January 2018 to March 2021. Patients with diabetes were compared to those without diabetes to determine differences in clinical and angiographic features and outcomes. In-person and telephonic follow-up were performed. Primary outcome was cardiovascular death and co-primary were major adverse cardiovascular events (cardiovascular death, myocardial infarction, revascularization, stroke). Cox-proportional hazard ratios (HR) and 95% confidence intervals (CI) were calculated. RESULTS 5181 patients (men 4139,women 1042) were enrolled. Acute coronary syndrome(ACS) was in 4917 (94.9%) and diabetes in 1987 (38.4%). Patients with diabetes were older (61.1 ± 9.6 vs 59.7 ± 11.5years), with more hypertension (71.1 vs 45.5%), chronic kidney disease (3.0 vs 1.7%), previous PCI (13.5 vs 11.0%), past coronary artery bypass graft surgery (4.9 vs 2.4%), non ST-elevation myocardial infarction (59.6 vs 51.6%) and triple vessel disease (20.3 vs 17.2%) (p < 0.01). Duration of hospitalization was more in diabetes (4.2 ± 2.6 vs 4.0 ± 2.1 days, p = 0.023) with no difference in in-hospital deaths (1.4 vs 1.0%, p = 0.197). Follow up was performed in 1202 patients (diabetes 499,41.5%) enrolled from April 2020 to March 2021 (median 16.4 months). In diabetes there were more cardiovascular deaths (multivariate adjusted HR 2.38, CI 1.13-5.02) and all-cause deaths (HR 1.85, CI 1.06-3.22). CONCLUSIONS CAD patients with diabetes undergoing PCI have more hypertension, chronic kidney disease, non ST-elevation myocardial infarction and triple vessel disease. At medium-term follow-up the incidence of cardiovascular and all-cause deaths is significantly more in these patients.
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GLP-1 Receptor Agonists Critical Review: Revisiting Its Positioning for Type 2 Diabetes Mellitus in Routine Clinical Practice in India. CLINICAL DIABETOLOGY 2022. [DOI: 10.5603/dk.a2022.0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Burden of Type 2 Diabetes and Associated Cardiometabolic Traits and Their Heritability Estimates in Endogamous Ethnic Groups of India: Findings From the INDIGENIUS Consortium. Front Endocrinol (Lausanne) 2022; 13:847692. [PMID: 35498404 PMCID: PMC9048207 DOI: 10.3389/fendo.2022.847692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 02/21/2022] [Indexed: 01/14/2023] Open
Abstract
To assess the burden of type 2 diabetes (T2D) and its genetic profile in endogamous populations of India given the paucity of data, we aimed to determine the prevalence of T2D and estimate its heritability using family-based cohorts from three distinct Endogamous Ethnic Groups (EEGs) representing Northern (Rajasthan [Agarwals: AG]) and Southern (Tamil Nadu [Chettiars: CH] and Andhra Pradesh [Reddys: RE]) states of India. For comparison, family-based data collected previously from another North Indian Punjabi Sikh (SI) EEG was used. In addition, we examined various T2D-related cardiometabolic traits and determined their heritabilities. These studies were conducted as part of the Indian Diabetes Genetic Studies in collaboration with US (INDIGENIUS) Consortium. The pedigree, demographic, phenotypic, covariate data and samples were collected from the CH, AG, and RE EEGs. The status of T2D was defined by ADA guidelines (fasting glucose ≥ 126 mg/dl or HbA1c ≥ 6.5% and/or use of diabetes medication/history). The prevalence of T2D in CH (N = 517, families = 21, mean age = 47y, mean BMI = 27), AG (N = 530, Families = 25, mean age = 43y, mean BMI = 27), and RE (N = 500, Families = 22, mean age = 46y, mean BMI = 27) was found to be 33%, 37%, and 36%, respectively, Also, the study participants from these EEGs were found to be at increased cardiometabolic risk (e.g., obesity and prediabetes). Similar characteristics for the SI EEG (N = 1,260, Families = 324, Age = 51y, BMI = 27, T2D = 75%) were obtained previously. We used the variance components approach to carry out genetic analyses after adjusting for covariate effects. The heritability (h2) estimates of T2D in the CH, RE, SI, and AG were found to be 30%, 46%, 54%, and 82% respectively, and statistically significant (P ≤ 0.05). Other T2D related traits (e.g., BMI, lipids, blood pressure) in AG, CH, and RE EEGs exhibited strong additive genetic influences (h2 range: 17% [triglycerides/AG and hs-CRP/RE] - 86% [glucose/non-T2D/AG]). Our findings highlight the high burden of T2D in Indian EEGs with significant and differential additive genetic influences on T2D and related traits.
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Safety of Insulin Degludec/Insulin Aspart in Patients with Diabetes Mellitus over a Period of 1 Year during Routine Clinical Care in India: SMART (Study of Management of Diabetes with Ryzodeg™ Treatment). Med Sci (Basel) 2021; 10:1. [PMID: 35076540 PMCID: PMC8788540 DOI: 10.3390/medsci10010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 11/29/2021] [Accepted: 12/10/2021] [Indexed: 11/22/2022] Open
Abstract
This post-authorization study was conducted to evaluate the safety of insulin degludec/insulin aspart (IDegAsp) in adult patients with diabetes mellitus (DM) during routine clinical care under a real-world setting in India. Eligible patients received IDegAsp for a minimum of 12 months during routine clinical management. Data were collected at 0, 3, 6, and 12 months. In total, 1029 adult patients with DM were included; 65.2% (n = 671) were men; mean age was 55.0 ± 12.2 years, and the mean duration of diabetes mellitus was 10.8 ± 7.4 years. Thirty adverse events were reported in 23 patients (2.2%) during the follow-up: two adverse events in two patients were serious with fatal outcomes, which were unrelated to IDegAsp use. At baseline, there were 176 confirmed hypoglycemic events in 67 (6.7%) patients while they were on their previous treatment options. At 12 months of treatment with IDegAsp, 11 confirmed hypoglycemic events were reported in 11 (1.1%) patients since the previous visit; there were no reported episodes of severe hypoglycemia. Mean glycosylated hemoglobin value reduced from 9.5% ± 1.8% at baseline to 7.7% ± 1.1% at 12 months. This study showed the safety of IDegAsp in patients with diabetes mellitus over a period of 1 year during routine clinical care.
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Wolfram syndrome: clinical and genetic profiling of a cohort from a tertiary care centre with characterization of the primary gonadal failure. Endocrine 2020; 69:420-429. [PMID: 32350710 DOI: 10.1007/s12020-020-02320-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 04/16/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Wolfram syndrome (WFS) is a rare, monogenic neurodegenerative syndrome characterised by insulin requiring non-autoimmune diabetes mellitus (DM) and optic atrophy which are usually the earliest and commonest manifestations. However, there are other features which are under-recognized, adding to morbidity and premature mortality in these patients. METHODS Five patients (three males, two females) with genetically confirmed WFS at a single tertiary care centre were prospectively followed up. Their symptomatology, clinical profile, genetic analysis and radiology were analyzed. Multidisciplinary approach was used for comprehensive clinical care of this cohort. Patients with primary gonadal failure were subjected to biopsy and immunohistochemistry (IHC) for wolframin was performed. RESULTS DM was the earliest presenting manifestation at 6.2 ± 1.3 years followed by optic atrophy at 10.4 ± 2.3 years, diabetes insipidus at 12 ± 2.1 years and deafness at 12.8 ± 2.1 years. All patients were autoantibody negative with low C-peptide(<0.6 ng/ml). Hypoglycemic episodes were frequent (upto 60%) but there was no instance of diabetic ketoacidosis. Optic atrophy was present alongwith proliferative diabetic retinopathy and cataract in 40%. Uncommon manifestations included neuropsychiatric features, parasuicide, cystopathy, brainstem atrophy and hypergonadotropic hypogonadism only in adult males (n = 2). Testicular biopsy revealed partly hyalinised seminiferous tubules and prominence of Leydig cells. IHC confirmed the presence of mutated wolframin, which was not significantly different from normal testis specimen on protein quantification. CONCLUSIONS WFS requires a multidisciplinary approach with special emphasis on early diagnosis and management of other endocrine and non-endocrine features so as to improve long-term outcomes. Gonadal functions need periodic assessment, especially in adult males.
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Suboptimal glycemic control among subjects with diabetes mellitus in India: a subset analysis of cross-sectional wave-7 (2016) data from the International Diabetes Management Practices Study (IDMPS). Ther Adv Endocrinol Metab 2020; 11:2042018820937217. [PMID: 32647562 PMCID: PMC7325532 DOI: 10.1177/2042018820937217] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 05/03/2020] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE To assess the real-world management practices of subjects with type 2 diabetes mellitus (T2DM) and type 1 diabetes mellitus (T1DM) in India. METHODS This cross-sectional study was conducted between 7 March 2016 and 15 May 2016 in India as part of the seventh wave (2016) of the International Diabetes Management Practices Study (IDMPS). Adult subjects with T1DM or T2DM visiting physicians during a 2-week recruitment period were included. RESULTS A total of 55 physicians included 539 subjects who met eligibility criteria. Of 495 subjects with T2DM, 303 were treated with oral glucose lowering drugs (OGLDs) only, 158 were treated with OGLD + insulin, and 27 received insulin only. Among 44 subjects with T1DM receiving insulin, 13 (29.5%) were also treated with OGLD therapy. The most commonly used insulin regimens were basal alone (69/184; 37.5%) and premixed alone (63/184; 34.2%) in subjects with T2DM, and basal + prandial insulin (24/44; 54.5%) in subjects with T1DM. Proportions of subjects achieving glycemic targets were low [glycated haemoglobin (HbA1c) <7%: T1DM = 7.3% (3/44), T2DM = 25.2% (106/495); as targeted by the treating physician: T1DM = 31.8% (14/44), T2DM = 32.1% (59/185); global target: T1DM = 4.8% (2/42) and T2DM = 1.7% (8/482)]. In subjects with T2DM, HbA1c <7% was noted in 11/22 subjects receiving insulin only and 76/260 receiving only OGLDs. Lack of experience in self-managing insulin dosing, poor diabetes education and failure to titrate insulin dosages were the main reasons for non-achievement of glycemic targets. CONCLUSION Timely insulinization, education and empowerment of people with diabetes may help improve glycemic control in India.
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Effectiveness and Safety of Physician-Led Versus Patient-Led Titration of Insulin Glargine in Indian Patients with Type 2 Diabetes Mellitus: A Subanalysis of the Asian Treat to Target Lantus Study (ATLAS). Diabetes Technol Ther 2019; 21:656-664. [PMID: 31335198 DOI: 10.1089/dia.2019.0037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: Titration of basal insulin led by either the physician or the patient is not well understood in India. This analysis of Indian subset of Asian Treat to Target Lantus Study (ATLAS) compared effectiveness of patient-led with physician-led titration of once-daily insulin glargine 100 U/mL (Glargine-U-100) in patients with type 2 diabetes mellitus (T2DM) uncontrolled on oral antidiabetes drug (OAD). Methods: In this open-label parallel group study, randomized patients (either physician-led or patient-led [self-titration] group) followed the same dose titration algorithm (fasting blood glucose [FBG] target 110 mg/dL [6.1 mmol/L]). The primary endpoint was change in mean glycated hemoglobin (HbA1c) at week 24 in the patient-led group versus the physician-led group. Results: Patients (40-75 years) were randomized to either the physician-led group (n = 39) or the patient-led group (n = 36). At week 24, self-titration led to a greater decline in HbA1c than physician-led titration (-1.3% vs. -1.1%). Mean decrease in FBG was more in the patient-led group than in the physician-led group (-53.7 mg/dL vs. -35.5 mg/dL). Mean daily dose of Glargine-U-100 at week 24 was higher in the patient-led group than in the physician-led group (30.0 U vs. 23.8 U). At any time during the study, 30.6% and 7.7% of patients in the patient-led and physician-led groups, respectively, showed target HbA1c level of <7.0% without severe hypoglycemia. Treatment satisfaction and quality of life improved in both groups. Overall, treatment was safe and well tolerated, and none of the events led to treatment discontinuation. Conclusion: Patient-led adjustment of Glargine-U-100 in outpatient setting can be a safe and effective method for glycemic control in Indian patients with T2DM uncontrolled on OADs.
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Spontaneous simultaneous bilateral quadriceps tendon rupture associated with severe vitamin D deficiency. Clin Endocrinol (Oxf) 2019; 91:580-582. [PMID: 31368123 DOI: 10.1111/cen.14070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/23/2019] [Accepted: 07/29/2019] [Indexed: 12/19/2022]
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Practical guidance on insulin injection practice in diabetes self-management in the Indian setting: an expert consensus statement. CLINICAL DIABETOLOGY 2019. [DOI: 10.5603/dk.2019.0013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Incidence of new diabetes following CABG surgery: Analysis of a single centre registry data. Indian Heart J 2019; 70 Suppl 3:S221-S223. [PMID: 30595262 PMCID: PMC6310740 DOI: 10.1016/j.ihj.2018.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 11/06/2018] [Accepted: 11/26/2018] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND About 40-50% of patients undergoing coronary artery bypass graft (CABG) surgery have diabetes. The prevalence of impaired glucose tolerance (IGT) is also high in this group, however, incidence of new diabetes following CABG surgery is unknown. OBJECTIVES To determine incidence of new diabetes and the impact on ICU and hospital stay in patients undergoing CABG surgery in India, we performed a registry-based study. METHODS Prospectively collected data among consecutive adult cardiac surgical patients who underwent CABG surgery at a single hospital were analyzed. Descriptive statistics are reported. RESULTS We recruited 1559 consecutive patients (men 1355, women 204) and analyzed data among 933 non-diabetic patients. Patients with known diabetes (n = 626, 40%) were excluded. 57 (6.1%) of the 933 non-diabetic patients developed persistently high glucose levels at discharge with incidence rate of 61 + 5/1000. Patients who developed diabetes had similar age and body mass index vs those who did not, but had greater preoperative IGT (44.6 vs 13.7%) and more time-period in intensive care unit (102.0 + 75 vs 80.2 + 29 hours) as well as in hospital (11.7 + 5.7 vs 9.6 + 2.4 days) (p < 0.001). CONCLUSION In a significant proportion of non-diabetic patients diabetes is unmasked after CABG. This is more likely in those with impaired glucose tolerance and prolonged period in intensive care and hospital.
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Abstract
Wolfram syndrome is a rare monogenic cause of juvenile onset diabetes mellitus. It is a non-autoimmune, insulin-deficient state with concurrent or consequent optic atrophy. Here we depict the case of a 16-year-old young girl afflicted with this condition, who presented with parasuicide on a background of depressive disorder. The aetiology of this presentation was attributable to multiple physical ailments and a genetic predisposition conferred by the disease-causing mutation for which she tested positive. She was managed with intensive insulin therapy and specific psychotherapy. Her case highlights the importance of recognising and addressing these comorbidities associated with Wolfram syndrome, so as to curtail disastrous consequences.
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Quality of Hypertension Management in Type 2 Diabetes in India: A Multisite Prescription Audit. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 2018; 66:20-25. [PMID: 31321925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND AND OBJECTIVE Renin-angiotensin system (RAS) blockers (angiotensin converting enzyme inhibitors ACEI, angiotensin receptor blockers, ARB) are preferred drugs to control hypertension among diabetic patients. To determine frequency of RAS blocker use in hypertensive patients with type 2 diabetes, we performed a multisite study in India. METHODS We evaluated physician prescriptions in consecutive patients with type 2 diabetes at 9 sites in India. Details of socio-demographic characteristics, clinical findings and prescription medicines were obtained. Descriptive statistics are reported. RESULTS Hypertension treatment details were available in 8056 of 8699 diabetic patients (4829 men, 3227 women). No hypertension was in 3300 (40.9%), hypertension in 3625 (45.0%), and hypertension with vascular disease in 1131 (14.0%). In diabetics with no hypertension, hypertension, and hypertension with vascular disease, respectively, prescriptions of antihypertensive drugs was: RAS blockers in 19.4, 48.2 and 58.1%, beta-blockers in 4.8, 31.6 and 38.8%, calcium channel blockers in 0.4, 27.4 and 14.3% and diuretics in 0.6, 36.4 and 17.1%. ACEIs were prescribed more frequently than ARB's in hypertensive diabetics (60.7 vs 39.2%) as well as in diabetics with vascular disease (58.6 vs 41.4%). In diabetics with hypertension (n=3625) prescription of one, two or three antihypertensive drugs was 49.8%, 33.7% and 3.5% while statins were prescribed in 54.1%. CONCLUSION Use of RAS blockers (ACEI or ARB) in uncomplicated as well as complicated hypertensive patients with type 2 diabetes is sub-optimal. Most of the patients are on one drug and prescription of ≥3 drugs are rare. Statins are prescribed in only a half.
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Primary hyperparathyroidism: insights from the Indian PHPT registry. J Bone Miner Metab 2018; 36:238-245. [PMID: 28364324 DOI: 10.1007/s00774-017-0833-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 03/03/2017] [Indexed: 02/05/2023]
Abstract
The presentation of primary hyperparathyroidism (PHPT) is variable throughout the world. The present study explored retrospective data submitted to the Indian PHPT registry ( http://www.indianphptregistry.com ) between July 2005 and June 2015 from 5 centres covering four different geographical regions. The clinical, biochemical, radiological and histopathological characteristics of PHPT patients across India were analysed for similarity and variability across the centres. A total of 464 subjects (137 men and 327 women) with histopathologically proven PHPT were analysed. The mean age was 41 ± 14 years with a female:male ratio of 2.4:1. The majority (95%) of patients were symptomatic. Common clinical manifestations among all the centres were weakness and fatigability (58.7%), bone pain (56%), renal stone disease (31%), pancreatitis (12.3%) and gallstone disease (11%). Mean serum calcium, parathyroid hormone and inorganic phosphorus levels were 11.9 ± 1.6 mg/dL, 752.4 ± 735.2 pg/mL and 2.8 ± 0.9 mg/dL, respectively. Sestamibi scanning had better sensitivity than ultrasonography in the localisation of parathyroid adenoma; however, when these two modalities were combined, 93% of the cases were correctly localised. Mean parathyroid adenoma weight was 5.6 ± 6.5 g (0.1-54 g). It was concluded that the majority of PHPT patients within India are still mainly symptomatic with >50% of patients presenting with bone disease and one-third with renal impairment. Compared to Western countries, Indian patients with PHPT are younger, biochemical abnormalities are more severe, and adenoma weight is higher. As our observation is largely derived from a tertiary care hospital (no routine screening of serum calcium level), the results do not reflect racial differences in susceptibility to PHPT.
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Pretibial myxoedema without thyroid associated orbitopathy in a patient with Graves' disease. Postgrad Med J 2017; 94:236. [PMID: 29151039 DOI: 10.1136/postgradmedj-2017-135345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 10/31/2017] [Accepted: 11/03/2017] [Indexed: 11/04/2022]
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Phenotype-genotype spectrum of AAA syndrome from Western India and systematic review of literature. Endocr Connect 2017; 6:901-913. [PMID: 29180348 PMCID: PMC5705786 DOI: 10.1530/ec-17-0255] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 10/25/2017] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To study genotype-phenotype spectrum of triple A syndrome (TAS). METHODS Retrospective chart analysis of Indian TAS patients (cohort 1, n = 8) and review of genotyped TAS cases reported in world literature (cohort 2, n = 133, 68 publications). RESULTS Median age at presentation was 4.75 years (range: 4-10) and 5 years (range: 1-42) for cohorts 1 and 2, respectively. Alacrima, adrenal insufficiency (AI), achalasia and neurological dysfunction (ND) were seen in 8/8, 8/8, 7/8 and 4/8 patients in cohort 1, and in 99, 91, 93 and 79% patients in cohort 2, respectively. In both cohorts, alacrima was present since birth while AI and achalasia manifested before ND. Mineralocorticoid deficiency (MC) was uncommon (absent in cohort 1, 12.5% in cohort 2). In cohort 1, splice-site mutation in exon 1 (p.G14Vfs*45) was commonest, followed by a deletion in exon 8 (p.S255Vfs*36). Out of 65 mutations in cohort 2, 14 were recurrent and five exhibited regional clustering. AI was more prevalent, more often a presenting feature, and was diagnosed at younger age in T group (those with truncating mutations) as compared to NT (non-truncating mutations) group. ND was more prevalent, more common a presenting feature, with later age at onset in NT as compared to T group. CONCLUSION Clinical profile of our patients is similar to that of patients worldwide. Alacrima is the earliest and most consistent finding. MC deficiency is uncommon. Some recurrent mutations show regional clustering. p.G14Vfs*45 and p.S255Vfs*36 account for majority of AAAS mutations in our cohort. Phenotype of T group differs from that of NT group and merits future research.
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Consensus on Insulin Dose Modification During Fasting in Type 2 Diabetes. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 2017; 65:7-15. [PMID: 28832099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
INTRODUCTION Fasting for patients with type 2 diabetes mellitus (T2DM) carries a risk of an assortment of complications. The decision of T2DM patient to fast should be made after sufficient discussion with physician regarding the risks involved. The current consensus is developed to help physicians manage T2DM patients during fasting. OBJECTIVE To provide simple and easily implementable guidelines on insulin dose modification during fasting in T2DM patients. METHODS The expert group committee discussed and proposed six recommendations for the use of insulin regimens during fasting. The recommendations were proposed on diet, exercise and categorization of risks during fast, breaking fast, dose modification of basal insulins, premix insulins and prandial insulins. All these recommendations were based on established guidelines and published scientific literature. These evidences were then factored into the national context based on the expert committee representative's patient-physician experience in their clinical practice and common therapeutic practices followed in India to successfully achieve optimal glucose control. The final consensus-based recommendations were proposed and collectively recorded for each insulin regimen. RESULTS Recommendations based on insulin dose modification during fasting in T2DM patients has been developed. Patients with diabetes, who fast are recommended to keep themselves hydrated, consume low glycaemic and high fibre food but, avoid sugary and caffeinated drinks along with fried foods. The main goal of insulin therapy during fasting is to provide adequate insulin to prevent post meal hyperglycaemia and prevent hypoglycaemia during fast. CONCLUSIONS We hope that the consensus based recommendations mentioned in this paper will be a useful reference tool for health care practitioners to initiate and intensify insulin therapy in T2DM patients in order to successfully complete fasting without much complication.
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Exciton Emission Intensity Modulation of Monolayer MoS 2 via Au Plasmon Coupling. Sci Rep 2017; 7:41175. [PMID: 28134260 PMCID: PMC5278406 DOI: 10.1038/srep41175] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 12/16/2016] [Indexed: 01/13/2023] Open
Abstract
Modulation of photoluminescence of atomically thin transition metal dichalcogenide two-dimensional materials is critical for their integration in optoelectronic and photonic device applications. By coupling with different plasmonic array geometries, we have shown that the photoluminescence intensity can be enhanced and quenched in comparison with pristine monolayer MoS2. The enhanced exciton emission intensity can be further tuned by varying the angle of polarized incident excitation. Through controlled variation of the structural parameters of the plasmonic array in our experiment, we demonstrate modulation of the photoluminescence intensity from nearly fourfold quenching to approximately threefold enhancement. Our data indicates that the plasmonic resonance couples to optical fields at both, excitation and emission bands, and increases the spontaneous emission rate in a double spacing plasmonic array structure as compared with an equal spacing array structure. Furthermore our experimental results are supported by numerical as well as full electromagnetic wave simulations. This study can facilitate the incorporation of plasmon-enhanced transition metal dichalcogenide structures in photodetector, sensor and light emitter applications.
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Study of differences in presentation, risk factors and management in diabetic and nondiabetic patients with acute coronary syndrome. Indian J Endocrinol Metab 2016; 20:354-358. [PMID: 27186553 PMCID: PMC4855964 DOI: 10.4103/2230-8210.179990] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES To compare clinical characteristics, treatment, and utilization of evidence-based medicines at discharge from hospital in acute coronary syndrome (ACS) patients with or without diabetes at a tertiary care cardiac center in India. METHODS We performed an observational study in consecutive patients discharged following management of ACS. We obtained demographic details, comorbid conditions, and cardiovascular risk factors, physical and biochemical parameters, and management. Descriptive statistics are reported. RESULTS We enrolled 100 patients (diabetics = 28) with mean age of 59.0 ± 10.8 years (diabetics 59.3 ± 11.6, nondiabetics 58.9 ± 8.5). Forty-nine patients had ST-elevation myocardial infarction (STEMI) (diabetics = 14, 28.7%) while 51 had nonSTEMI/unstable angina (diabetics = 14, 27.4%) (P = nonsignificant). Among diabetics versus nondiabetics there was greater prevalence (%) of hypertension (78.6% vs. 44.4%), obesity (25.0% vs. 8.3%), abdominal obesity (85.7% vs. 69.4%) and sedentary activity (89.2% vs. 77.8%), and lower prevalence of smoking/tobacco use (10.7% vs. 25.0%) (P < 0.05). In STEMI patients 28 (57.1%) were thrombolysed (diabetes 17.8% vs. 31.9%), percutaneous coronary interventions (PCI) was in 67.8% diabetics versus 84.7% nondiabetics and coronary bypass surgery in 21.4% versus 8.3%. At discharge, in diabetics versus nondiabetics, there was similar use of angiotensin converting enzyme inhibitors (67.9% vs. 69.4%) and statins (100.0% vs. 98.6%) while use of dual antiplatelet therapy (85.7% vs. 95.8%) and beta-blockers (64.3% vs. 73.6%) was lower (P < 0.05). CONCLUSIONS Diabetic patients with ACS have greater prevalence of cardiometabolic risk factors (obesity, abdominal obesity, and hypertension) as compared to nondiabetic patients. Less diabetic patients undergo PCIs and receive lesser dual anti-platelet therapy and beta-blockers.
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Non-physician health workers for improving adherence to medications and healthy lifestyle following acute coronary syndrome: 24-month follow-up study. Indian Heart J 2016; 68:832-840. [PMID: 27931556 PMCID: PMC5143810 DOI: 10.1016/j.ihj.2016.03.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 01/15/2016] [Accepted: 03/22/2016] [Indexed: 01/01/2023] Open
Abstract
Objective To evaluate usefulness of non-physician health workers (NPHW) to improve adherence to medications and lifestyles following acute coronary syndrome (ACS). Methods We randomized 100 patients at hospital discharge following ACS to NPHW intervention (n = 50) or standard care (n = 50) in an open label study. NPHW was trained for interventions to improve adherence to medicines – antiplatelets, β-blockers, renin–angiotensin system (RAS) blockers and statins and healthy lifestyles. Intervention lasted 12 months with passive follow-up for another 12. Both groups were assessed for adherence using a standardized questionnaire. Results ST elevation myocardial infarction (STEMI) was in 49 and non-STEMI in 51, mean age was 59.0 ± 11 years. 57% STEMI were thrombolyzed. On admission majority were physically inactive (71%), consumed unhealthy diets (high fat 77%, high salt 58%, low fiber 57%) and 21% were smokers/tobacco users. Coronary revascularization was performed in 90% (percutaneous intervention 79%, bypass surgery 11%). Drugs at discharge were antiplatelets 100%, β-blockers 71%, RAS blockers 71% and statins 99%. Intervention and control groups had similar characteristics. At 12 and 24 months, respectively, in intervention vs control groups adherence (>80%) was: anti platelets 92.0% vs 77.1% and 83.3% vs 40.9%, β blockers 97.2% vs 90.3% and 84.8% vs 45.0%), RAS blockers 95.1% vs 82.3% and 89.5% vs 46.1%, and statins 94.0% vs 70.8% and 87.5% vs 29.5%; smoking rates were 0.0% vs 12.5% and 4.2% vs 20.5%, regular physical activity 96.0% vs 50.0%, and 37.5% vs 34.1%, and healthy diet score 5.0 vs 3.0, and 4.0 vs 2.0 (p < 0.01 for all). Intervention vs standard group at 12 months had significantly lower mean systolic BP, heart rate, body mass index, waist:hip ratio, total cholesterol, triglyceride, and LDL cholesterol (p < 0.01). Conclusions NPHW-led educational intervention for 12 months improved adherence to evidence based medicines and healthy lifestyles. Efficacy continued for 24 months with attrition.
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Gender differences in 7 years trends in cholesterol lipoproteins and lipids in India: Insights from a hospital database. Indian J Endocrinol Metab 2016; 20:211-218. [PMID: 27042418 PMCID: PMC4792023 DOI: 10.4103/2230-8210.176362] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE To determine gender differences and secular trends in total, low-density lipoprotein (LDL) and high DL (HDL) cholesterol and triglycerides using a large hospital database in India. METHODS All blood lipid tests evaluated from July 2007 to December 2014 were analyzed. Details of gender and age were available. Statin therapy was obtained at two separate periods. Trends were calculated using linear regression and Mantel-Haenszel X(2). RESULTS Data of 67395 subjects (men 49,904, women 17,491) aged 51 ± 12 years were analyzed. Mean levels (mg/dl) were total cholesterol 174.7 ± 45, LDL cholesterol 110.7 ± 38, non-HDL cholesterol 132.1 ± 44.8, HDL cholesterol 44.1 ± 10, triglycerides 140.8 ± 99, and total: HDL cholesterol 4.44 ± 1.5. Various dyslipidemias in men/women were total cholesterol ≥200 mg/dl 25.4/36.4%, LDL cholesterol ≥130 mg/dl 28.1/35.0% and ≥100 mg/dl 54.4/66.4%, non-HDL cholesterol ≥160 mg/dl 25.5/29.6%, HDL cholesterol <40/50 mg/dl 54.4/64.4%, and triglycerides ≥150 mg/dl 34.0/26.8%. Cholesterol lipoproteins declined over 7 years with greater decline in men versus women for cholesterol (Blinear regression = -0.82 vs. -0.33, LDL cholesterol (-1.01 vs. -0.65), non-HDL cholesterol (-0.88 vs. -0.52), and total: HDL cholesterol (-0.02 vs. -0.01). In men versus women there was greater decline in prevalence of hypercholesterolemia (X(2) trend 74.5 vs. 1.60), LDL cholesterol ≥130 mg/dl (X(2) trend 415.5 vs. 25.0) and ≥100 mg/dl (X(2) trend 501.5 vs. 237.4), non-HDL cholesterol (X(2) trend 77.4 vs. 6.85), total: HDL cholesterol (X(2) trend 212.7 vs. 10.5) and high triglycerides (X(2) trend 10.8 vs. 6.15) (P < 0.01). Use of statins was in 2.6% (36/1405) in 2008 and 9.0% (228/2527) in 2014 (P < 0.01). Statin use was significantly lower in women (5.8%) than men (10.3%). CONCLUSIONS In a large hospital - database we observed greater hypercholesterolemia and low HDL cholesterol in women. Mean levels and prevalence of high total, LDL, non-HDL and total: HDL cholesterol declined over 7 years. A lower decline was observed in women. This was associated with lower use of statins.
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Evaluation of statin prescriptions in type 2 diabetes: India Heart Watch-2. BMJ Open Diabetes Res Care 2016; 4:e000275. [PMID: 27648292 PMCID: PMC5013346 DOI: 10.1136/bmjdrc-2016-000275] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 07/20/2016] [Accepted: 07/27/2016] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Contemporary treatment guidelines advise statin use in all patients with diabetes for reducing coronary risk. Use of statins in patients with type 2 diabetes has not been reported from India. METHODS We performed a multisite (n=9) registry-based study among internists (n=3), diabetologists (n=3), and endocrinologists (n=3) across India to determine prescriptions of statins in patients with type 2 diabetes. Demographic and clinical details were obtained and prescriptions were audited for various medications with a focus on statins. Details of type of statin and dosage form (low, moderate, and high) were obtained. Patients were divided into categories based on presence of cardiovascular risk into low (no risk factors, n=1506), medium (≥1 risk factor, n=5425), and high (with vascular disease, n=1769). Descriptive statistics are presented. RESULTS Prescription details were available in 8699 (men 5292, women 3407). Statins were prescribed in 55.2% and fibrates in 9.2%. Statin prescription was significantly greater among diabetologists (64.4%) compared with internists (n=53.3%) and endocrinologists (46.8%; p<0.001). Atorvastatin was prescribed in 74.1%, rosuvastatin in 29.2%, and others in 3.0%. Statin prescriptions were lower in women (52.1%) versus men (57.2%; p<0.001) and in patients aged <40 years (34.3%), versus those aged 40-49 (49.7%), 50-59 (60.1%), and ≥60 years (62.2%; p<0.001). Low-dose statins were prescribed in 1.9%, moderate dose in 85.4%, and high dose in 12.7%. Statin prescriptions were greater in the high-risk group (58.0%) compared with those in the medium-risk (53.8%) and low-risk (56.8%) groups (p <0.001). High-dose statin prescriptions were similar in the high-risk (14.5%), medium-risk (11.8%), and low-risk (13.5%) groups (p=0.31). CONCLUSIONS Statins are prescribed in only half of the clinic-based patients in India with type 2 diabetes. Prescription of high-dose statins is very low.
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Pan endocrine curriculum. Indian J Endocrinol Metab 2015; 19:850. [PMID: 26693441 PMCID: PMC4673819 DOI: 10.4103/2230-8210.167559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Evaluation of Glycemia Control Achieved by Glargine and Lispro Versus Detemir and Aspart Insulin Regimes in Type 2 Diabetics Undergoing Surgery. Open Cardiovasc Med J 2015; 9:58-61. [PMID: 26312079 PMCID: PMC4541298 DOI: 10.2174/1874192401509010058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 02/22/2015] [Accepted: 02/28/2015] [Indexed: 12/01/2022] Open
Abstract
There is paucity of scientific literature regarding the clinical outcome of long lasting basal insulin and rapid acting mealtime insulin regimes in surgical situations although employed in non-surgical situations. This study has evaluated the clinical outcome of two subcutaneous split-mixed Glargine+Lispro and Detemir+Aspart insulin regimes in type 2 diabetics undergoing surgery.
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Prevalence of diabetes and cardiovascular risk factors in middle-class urban participants in India. BMJ Open Diabetes Res Care 2014; 2:e000048. [PMID: 25489485 PMCID: PMC4256307 DOI: 10.1136/bmjdrc-2014-000048] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 10/07/2014] [Accepted: 10/29/2014] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES To determine the prevalence of diabetes and awareness, treatment and control of cardiovascular risk factors in population-based participants in India. METHODS A study was conducted in 11 cities in different regions of India using cluster sampling. Participants were evaluated for demographic, biophysical, and biochemical risk factors. 6198 participants were recruited, and in 5359 participants (86.4%, men 55%), details of diabetes (known or fasting glucose >126 mg/dL), hypertension (known or blood pressure >140/>90 mm Hg), hypercholesterolemia (cholesterol >200 mg/dL), low high-density lipoprotein (HDL) cholesterol (men <40, women <50 mg/dL), hypertriglyceridemia (>150 mg/dL), and smoking/tobacco use were available. Details of awareness, treatment, and control of hypertension and hypercholesterolemia were also obtained. RESULTS The age-adjusted prevalence (%) of diabetes was 15.7 (95% CI 14.8 to 16.6; men 16.7, women 14.4) and that of impaired fasting glucose was 17.8 (16.8 to 18.7; men 17.7, women 18.0). In participants with diabetes, 27.6% were undiagnosed, drug treatment was in 54.1% and control (fasting glucose ≤130 mg/dL) in 39.6%. Among participants with diabetes versus those without, prevalence of hypertension was 73.1 (67.2 to 75.0) vs 26.5 (25.2 to 27.8), hypercholesterolemia 41.4 (38.3 to 44.5) vs 14.7 (13.7 to 15.7), hypertriglyceridemia 71.0 (68.1 to 73.8) vs 30.2 (28.8 to 31.5), low HDL cholesterol 78.5 (75.9 to 80.1) vs 37.1 (35.7 to 38.5), and smoking/smokeless tobacco use in 26.6 (23.8 to 29.4) vs 14.4 (13.4 to 15.4; p<0.001). Awareness, treatment, and control, respectively, of hypertension were 79.9%, 48.7%, and 40.7% and those of hypercholesterolemia were 61.0%, 19.1%, and 45.9%, respectively. CONCLUSIONS In the urban Indian middle class, more than a quarter of patients with diabetes are undiagnosed and the status of control is low. Cardiovascular risk factors-hypertension, hypercholesterolemia, low HDL cholesterol, hypertriglyceridemia, and smoking/smokeless tobacco use-are highly prevalent. There is low awareness, treatment, and control of hypertension and hypercholesterolemia in patients with diabetes.
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A clinical study to compare the efficacy and safety of pregabalin sustained release formulation with pregabalin immediate release formulation in patients of diabetic peripheral neuropathic pain. Indian J Endocrinol Metab 2012; 16:S477-S479. [PMID: 23565472 PMCID: PMC3603120 DOI: 10.4103/2230-8210.104137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To compare the efficacy and safety of sustained release (SR) formulation of pregabalin with immediate release (IR) formulation in patient with diabetic peripheral neuropathic pain. MATERIALS AND METHODS In this open label, randomized, comparative, multicentric study, the primary efficacy measure was reduction in visual analogue scale (VAS) of short form McGill pain questionnaire (SF-MPQ) score from baseline to last visit. The secondary evaluation measures included reduction in SF-MPQ descriptive score and present pain intensity score and change in clinical global impression - improvement of illness (CGI-I) and clinical global impression - severity of illness (CGI-S) from baseline to last visit. Total duration of the study was 12 weeks. Safety evaluation was done by recording treatment emergent adverse events and laboratory investigations at baseline and end of treatment. RESULTS Of 265 randomized patients, 133 received pregabalin SR tablets and 132 pregabalin IR. Patients randomized to both treatments responded to respective treatments. The least square means of VAS score in both the groups were reduced significantly (P <0.01). Reduction in both groups was similar (P = ns). At the end of the trial in both the groups, there was a significant reduction in the SF-MPQ descriptive score (P <0.01), severity of illness as well as clinically significant improvement in the symptoms. Difference between the groups for CGI-I (P = 0.37) and CGI-S (P = 0.41) score was not statistically significant. Treatment in both the groups was found safe and well tolerated. CONCLUSION The study shows that the pregabalin SR is safe and effective in patients of diabetic peripheral neuropathic pain. The results of the study demonstrated that pregabalin SR has comparable efficacy and safety as pregabalin IR.
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Technique tips--a simple technique to place bonded retainers. DENTAL UPDATE 2011; 38:576. [PMID: 22128636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Abstract
BACKGROUND Germ-line mutations in CYLD are found in patients with familial skin appendage tumours. The protein product functions as a deubiquitinase enzyme, which negatively regulates NF-kappaB and c-Jun N-terminal kinase signalling. Brooke-Spiegler syndrome (BSS) is characterised by cylindromas, trichoepitheliomas and spiradenomas, whereas in familial cylindromatosis (FC) patients present with cylindromas and in multiple familial trichoepitheliomas (MFT) with trichoepitheliomas as the only skin tumour type. Although described as distinct entities, recent studies suggest that they are within the spectrum of a single entity. OBJECTIVE To investigate the mutation spectrum of CYLD and possible genotype-phenotype correlations. METHODS 25 families including 13 BSS, 3 FC, and 9 MFT families were examined and evaluated for mutations in the CYLD gene. RESULTS In total, 18 mutations in CYLD, including 6 novel mutations, were identified in 25 probands (72%). The mutation frequencies among distinct phenotypes were 85% for BSS, 100% for FC, and 44% for MFT. The majority of the mutations were insertions, deletions or nonsense mutations leading to formation of truncated proteins. All mutations were located between exons 9 to 20, encoding the NEMO binding site and the catalytic domain. Genotype-phenotype analysis failed to reveal a correlation between the types of mutations and their location within the gene and the patients' phenotypes and disease severity. CONCLUSIONS This study provides further evidence on the role of CYLD in the pathogenesis of skin appendage tumours characterised by cylindromas, trichoepitheliomas and/or spiradenomas, but the molecular mechanisms of CYLD in skin tumorigenesis and the reasons for phenotypic variability remain to be explored.
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ProFeel: low cost visual-haptic perceptualization of protein structure-structure alignments. PACIFIC SYMPOSIUM ON BIOCOMPUTING. PACIFIC SYMPOSIUM ON BIOCOMPUTING 2000:218-29. [PMID: 10902171 DOI: 10.1142/9789814447331_0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We describe ProFeel, an application for exploring molecular data from protein structure-structure alignments using a force-feedback joystick. Protein structure analysis is a useful application for multimodal information perceptualization because researchers in this area typically use several independent measures in assessment. A system that allows the user to simultaneously evaluate different criteria would therefore be quite useful. Four variables are assigned three different haptic effects each to allow the user to discern twelve separate data values. The haptic representation is coupled with a traditional molecular graphics visual display.
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UTILIZING SOLAR HEAT FOR ENHANCING EFFICIENCY OF CRUCIFEROUS RESIDUES FOR DISINFESTING SOIL-BORNE PATHOGENS FROM ARIDISOLS. ACTA ACUST UNITED AC 2000. [DOI: 10.17660/actahortic.2000.532.3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
We describe a case of follicular carcinoma in a functioning struma ovarii, which presented as an ovarian mass in a patient who had undergone a near-total thyroidectomy for a benign lesion. She underwent bilateral salpingo-oophorectomy and received radiotherapy and L-thyroxine treatment with no evidence of metastases in 4 years follow-up.
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PROMUSE: a system for multi-media data presentation of protein structural alignments. PACIFIC SYMPOSIUM ON BIOCOMPUTING. PACIFIC SYMPOSIUM ON BIOCOMPUTING 1999:368-79. [PMID: 10380211 DOI: 10.1142/9789814447300_0036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
We present and evaluate PROMUSE: an integrated visualization/sonification system for analyzing pairwise protein structural alignments (superpositions of two protein structures in three-dimensional space). We also explore how the use of sound can enhance the perception and recognition of specific aspects of the local environment at given positions in the represented molecular structure. Sonification presents several opportunities to researchers. For those with visual impairment, data sonification can be a useful alternative to visualization. Sonification can further serve to improve understanding of information in several ways. One use for data sonification is in tasks such as background monitoring, in which case sounds can be used to indicate thresholding events. With PROMUSE, data represented visually may be enhanced or disambiguated by adding sound to the presentation. This aspect of data representation is particularly important for showing features that are difficult to represent visually, due to occlusion or other factors. Another feature of our system is that by representing some variables through sound and others visually, the amount of information that may be represented simultaneously is extended. Our tool aims to augment the power of data visualization rather than replace it. To maximize the utility of our sonifications to represent data, we employed musical voices and melodic components with unique characteristics. We also used sound effects such as panning a voice to the left or right speaker and changing its volume to maximize the individuality of the sonification elements. By making the sonification parameters distinct, we allow the user to focus on those portions of the sonification necessary to resolve possible ambiguities in the visual display. Sonifications of low level data such as raw protein or DNA sequences tend to sound random, and not very musical. We chose instead to sonify an analysis of data features, and thereby present a higher level view of the data. We also used brief melodic phrases rather than single notes in order to generate sounds that were more pleasing and musically idiomatic. To validate the utility of our system, we present the results of an experiment in which PROMUSE was used to test the use of sound as an aid for clarifying visual information. We also compare the overall effectiveness of visual versus aural information delivery.
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Cortisol response to arginine-vasopressin does not compare with cortisol response to insulin-hypoglycemia in pituitary tumors. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 1998; 46:609-12. [PMID: 12152842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
Timed cortisol responses to insulin-hypoglycemia (IH) and arginine-vasopressin (AVP) were compared in 16 patients with pituitary tumors and six healthy controls. Serum cortisol was estimated by a specific and sensitive radioimmunoassay as per the WHO protocol. The basal cortisol (AM) was normal (> 290 nmol/l) in 9 patients and low in seven. With IH peak cortisol response was normal (> 550 nmol/l) in 10 patients, 8 of whom had normal and 2 had low basal (AM) cortisol. In contrast AVP evoked normal cortisol responses in only 5 of these patients, all of whom had normal basal (AM) cortisol and none had low basal (AM) cortisol. The data indicate lower sensitivity for AVP stimulation test (50%) and favour IH as the standard cortisol stimulation test in patients with pituitary tumors awaiting surgery.
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Abstract
We compared cortisol responses to 1 microgram adrenocorticotropic hormone (ACTH), 250 micrograms ACTH and insulin-induced hypoglycaemia (IIH), in patients suspected to have secondary hypocortisolism. Twenty-four patients (16 with hypothalamopituitary disorders and 8 on long-term glucocorticoid therapy) and eight healthy controls, underwent all three test protocols, with intervals of one day between each test. Mean cortisol responses to all three tests were comparable in both groups, but were more closely correlated for IIH vs. the 1 microgram ACTH test (r = 0.96) than for IIH vs. the 250 micrograms ACTH test (r = 0.88). Seven patients had discrepant results; all had a normal peak cortisol response to 250 micrograms ACTH (> 550 nmol/l), but a subnormal response to 1 microgram ACTH. Six of these also had a subnormal response to IIH. Cortisol responses to IIH match more closely those for 1 microgram ACTH in individual instances than those for 250 micrograms ACTH. The standard 250 micrograms ACTH stimulation, being supraphysiological, leads to underdiagnosis of the hypocortisolaemic state. The 1 microgram ACTH stimulation test should replace the standard 250 micrograms ACTH stimulation test in assessing the hypothalamo-pituitary-adrenocortical axis in secondary hypocortisolism.
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