69 research outputs found
Clients' perception of service delivery at a life assurance company!
Thesis (MBA)-University of Natal, Durban, 2003.The topic was inspired by my obsession for service excellence. Having
served the retail industry as a photographic salesman and ultimately as
director of a chain of retail stores, I was startled by some of the blasphemous
remarks made to the insurance industry. Furthermore, I was personally
subjected to poor customer service by some of the large insurance
companies. In my current tenure as a life assurance consultant, I have made
it my mission to harness good quality, good values and provide excellent
service to the countless patrons of the insurance industry.
The purpose of this study was to analyse service quality at Sage Life
Insurance Company. Particular attention was paid to the five dimensions of
service quality and consumer behaviour. To provide a background to the
evaluation, a brief history of the life assurance industry and companies was
explored. The evolution of new legislations and the governing bodies was
put into perspective.
The findings of the study showed that clients' perception of service quality
at Sage favoured some dimensions more strongly. Recommendations were made to improve the gaps in customer-relations and a model for Sage Life's customer relationship management was suggested
RF Amplifier: Design Aspects and Development Procedure
High power RF is an essential part of the future fusion reactors and the high power RF technology is still under development. There are only two companies in the world who manufacture MW level RF generators in the frequency range of 10 to 100 MHz The project for the design of RF Amplifiers consists of Understanding of HF amplifiers, understanding distributed design aspects of RF amplifier and then actual RF design of the amplifier in the form of circuit design and also the design of input and output cavity and coupling to make a complete system using CST software as well as analytical formulae.
DOI: 10.17762/ijritcc2321-8169.15058
The Inflammatory Response to Miniaturised Extracorporeal Circulation: A Review of the Literature
Conventional cardiopulmonary bypass can trigger a systemic inflammatory response syndrome similar to sepsis. Aetiological factors include surgical trauma, reperfusion injury, and, most importantly, contact of the blood with the synthetic surfaces of the heart-lung machine. Recently, a new cardiopulmonary bypass system, mini-extracorporeal circulation (MECC), has been developed and has shown promising early results in terms of reducing this inflammatory response. It has no venous reservoir, a reduced priming volume, and less blood-synthetic interface. This review focuses on the inflammatory and clinical outcomes of using MECC and compares these to conventional cardio-pulmonary bypass (CCPB). MECC has been shown to reduce postoperative cytokines levels and other markers of inflammation. In addition, MECC reduces organ damage, postoperative complications and the need for blood transfusion. MECC is a safe and viable perfusion option and in certain circumstances it is superior to CCPB
Valve-in-Valve Transcatheter Aortic Valve Replacement: Challenges for Now and the Future
The recent years have seen a huge expansion in the number of bioprostheses implanted, and this number is likely to increase further in the future. This is likely to lead to a pandemic of patients requiring reoperation/re-intervention for structural deterioration of the valve. Valve-in-valve transcatheter aortic valve replacement (ViV-TAVR) has become a safe and effective alternative to redo aortic valve surgery and has gained approval for use in high-risk patients with prohibitive operative risk. ViV-TAVR is a complex procedure requiring rigorous planning, technical expertise and patient anatomical appreciation. In this chapter, we examine the evidence supporting the use of ViV-TAVR along with the primary technical issues surrounding this procedure such as: elevated postprocedural gradients, coronary obstruction and valve-related thrombosis. TAVR use is also expanding towards an increasingly young patient profile with extended life expectancy, likely to outlive the implanted bioprosthesis. We therefore also examine the huge current challenge of establishing what is the best lifetime strategy for the management of aortic valve disease in younger patients
How effective are continuous flow left ventricular assist devices in lowering high pulmonary artery pressures in heart transplant candidates?
Background: Pulmonary hypertension (PH) is considered a risk factor for morbidity and
mortality in patients undergoing heart transplantation. Medical therapy with oral and
pharmacologic agents is not always effective in reducing pulmonary artery (PA) pressures. Left
ventricular assist devices (LVADs) have been used to reduce PA pressures in cases of PH
unresponsive to medical therapy.
Methods and results: Our study sought to evaluate the effectiveness of axial- and centrifugal-
continuous flow LVADs in reversing PH in heart transplant candidates. Hemodynamics
were assessed pre- and post-operatively in nine patients undergoing HeartMate II and six
patients undergoing HeartWare continuous flow LVADs. Mean PA pressures were reduced
from 31.9 ± 10.6 mm Hg to 22.1 ± 6.6 mm Hg (p = 0.001), and pulmonary vascular resistance
was reduced from 3.08 ± 1.6 mm Hg to 1.8 ± 1.0 mm Hg (p = 0.007). This improvement was
seen within seven days of LVAD implantation. Three of 15 patients were successfully transplanted,
with 100% survival at an average of 199 days post-transplant.
Conclusions: The results of this study suggest that both axial- and centrifugal-continuous
flow LVADs are effective in immediately lowering PA pressures in heart transplant candidates
with PH. (Cardiol J 2012; 19, 2: 153–158
Prospective study of radiological and functional outcomes of humeral mid-shaft fractures by anterior bridge plating technique
Background: The humerus can be considered the most versatile bone in the human body. Can be successfully approached by a variety of methods for fracture fixation including functional bracing, plating (posterior, lateral, and anterior), and intramedullary nailing (antegrade and retrograde). Notably, many humeral fractures can be successfully managed conservatively due to the wide range of acceptability for reduction. Anterior bridge plating (ABP) which utilizes the minimally invasive approach popularly known as the minimally invasive percutaneous plate osteosynthesis (MIPPO) technique can be said to be the latest entrant in this list. The present study was undertaken to evaluate the efficacy of ABP.
Methods: The study was carried out from July 2020 to July 2022 in DR. D. Y. Patil medical college and hospital, Nerul, Navi Mumbai, involving 32 patients who met the selection criteria and were operated at the tertiary care centre. Informed consent was obtained from all the patients for use of their clinical and imaging data. Ethical committee approval was taken. The assessment of the patients was done based on functional and radiological outcomes periodically.
Results: Majority of patients belongs to age group 18-25 years (46.87%). Majority of side of injury were found right side (65.62%). In most of the cases, the extent of the displacement of fractures were 2-5 cm (71.87).
Conclusions: In conclusion ABP is a very good technique in treating mid-shaft humeral fractures with minimal soft tissue dissection, smaller scars, and early return to overhead activities
Time to shift from contemporary to high-sensitivity cardiac troponin in diagnosis of acute coronary syndromes
AbstractEarly rule-in and rule-out of non-ST-segment elevation myocardial infarction (NSTEMI) is a challenge. In patients with inconclusive findings on ECG, cardiac biomarkers play a crucial role in the diagnosis. The introduction of the new high-sensitive cardiac troponin test (hs-TnI assay) has changed the landscape of NSTEMI diagnosis.The new hs-TnI assay can detect troponin values at a lower level compared with a contemporary cardiac troponin (cTn) assay. The hs-cTnI assay has a coefficient of variation of ≤10%, well below the 99th percentile value. It reduces the time to diagnose acute myocardial infarction from 6h to 3h. A recent study has demonstrated that hs-cTnI can further reduce the time to 1h in 70% of all patients with chest pain.The European Society of Cardiology 2015 guidelines recommend including a second sample of hs-cTnI within 3h of presentation This increases the sensitivity of the hs-TnI assay from 82.3% (at admission) to 98.2% and negative predictive value from 94.7% (at admission) to 99.4%. Combining the 99th percentile at admission with serial changes in troponin increases the positive predictive value to rule in acute coronary syndrome from 75.1% at admission to 95.8% after 3h.The 2015 ESC Guidelines recommend the use of a rapid rule out protocol (0h and 1h) when hs-cTnI with a validated 0 to1h algorithm is available.Training and displaying the clinical algorithm depicting the role of hs-TnI assay in acute cardiac care units and in EDs are an efficient way to deliver the new standard of care to patients. Compared with contemporary troponin assays, the hs-cTn assay accelerates the diagnostic pathway to 0–1h, thus reducing the time for diagnosis of NSTEMI and hence, its management
Candidate plasma biomarkers for predicting ascending aortic aneurysm in bicuspid aortic valve disease.
BACKGROUND: Bicuspid aortic valve (BAV) disease is the most common congenital cardiac abnormality affecting 1-2% of the population and is associated with a significantly increased risk of ascending aortic aneurysm. However, predicting which patients will develop aneurysms remains a challenge. This pilot study aimed to identify candidate plasma biomarkers for monitoring ascending aortic diameter and predicting risk of future aneurysm in BAV patients. METHODS: Plasma samples were collected pre-operatively from BAV patients undergoing aortic valve surgery. Maximum ascending aortic diameter was measured on pre-operative transoesophageal echocardiography. Maximum diameter ≥ 45 mm was classified as aneurysmal. Sequential Window Acquisition of all THeoretical Mass Spectra (SWATH-MS), an advanced mass spectrometry technique, was used to identify and quantify all proteins within the samples. Protein abundance and aortic diameter were correlated using logistic regression. Levene's test was used to identify proteins demonstrating low abundance variability in the aneurysmal patients (consistent expression in disease), and high variability in the non-aneurysmal patients (differential expression between 'at risk' and not 'at risk' patients). RESULTS: Fifteen plasma samples were collected (seven non-aneurysmal and 8 aneurysmal BAV patients). The mean age of the patients was 55.5 years and the majority were female (10/15, 67%). Four proteins (haemoglobin subunits alpha, beta and delta and mannan-binding lectin serine protease) correlated significantly with maximal ascending aortic diameter (p < 0.05, r = 0.5-0.6). Five plasma proteins demonstrated significantly lower variability in the aneurysmal group and may indicate increased risk of aneurysm in non-aneurysmal patients (DNA-dependent protein kinase catalytic subunit, lumican, tetranectin, gelsolin and cartilage acidic protein 1). A further 7 proteins were identified only in the aneurysmal group (matrin-3, glucose-6-phosphate isomerase, coactosin-like protein, peptidyl-prolyl cis-trans isomerase A, golgin subfamily B member 1, myeloperoxidase and 2'-deoxynucleoside 5'-phosphate N-hydrolase 1). CONCLUSIONS: This study is the first to identify candidate plasma biomarkers for predicting aortic diameter and risk of future aneurysm in BAV patients. It provides valuable pilot data and proof of principle that could be used to design a large-scale prospective investigation. Ultimately, a more affordable 'off-the-shelf' follow-on blood assay could then be developed in place of SWATH-MS, for use in the healthcare setting
Real-world evidence on the effectiveness and safety of gliclazide extended release treatment in Indian patients with type 2 diabetes undergoing Ramadan fast: an analysis from the global DIA-RAMADAN study
Context and Aim: Glycemic imbalance, especially hypoglycemia, is one of the greatest risks for patients with type 2 diabetes mellitus (T2DM) during Ramadan fasting. This paper outlines the efficacy and safety of gliclazide extended release (XR) in Indian patients with T2DM enrolled in the global DIA-RAMADAN study.
Methods and Material: Adults (aged ≥18 years) with T2DM who chose to fast during Ramadan and received a gliclazide-based regimen once daily for 90 days before Ramadan were included in the study. Baseline and end-of-study visits were conducted 6–8 weeks before and 4–6 weeks after Ramadan, respectively. Primary outcome was the incidence of ≥1 symptomatic hypoglycemic event (HE). Changes in glycated hemoglobin (HbA1c), fasting plasma glucose (FPG), and body weight were secondary outcomes.
Results: Among 246 Indian patients enrolled in the study, most (78.9%, n=194) were at moderate/low risk as per the International Diabetes Federation and Diabetes and Ramadan guidelines. Most patients (69.1%) received gliclazide XR as monotherapy, and the rest received gliclazide XR with metformin or other antidiabetic therapy. Significant reductions in HbA1c (−0.5±0.8%, P<0.001) and FPG (−21.8±59.4 mg/dL, P<0.001) levels were observed but the slight reduction in body weight was not statistically significant (−0.3±3.7 kg, P=0.614) in patients post-Ramadan. Overall, no HE was reported in Indian patients with T2DM during Ramadan fasting.
Conclusion: Overall, the effectiveness and safety of gliclazide XR in Indian patients was consistent with that observed in the global cohort. Gliclazide XR significantly reduced HbA1c with no incidence of hypoglycemic events in Indian patients with type 2 diabetes undergoing Ramadan fast, suggesting that gliclazide XR may be used without dose modification at Iftar to maintain optimal glycemic control during Ramadan
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