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Closure of Post-infarct Basal Ventricular Septal Defect by Using an Atrial Septal Defect Closure Device: A Case Report

Published on: 25th November, 2024

Ventricular Septal Defect, also known as VSD is a rare and life-threatening complication associated with MI. Therefore, it should be immediately diagnosed and treated. Transcatheter closure of the ventricular septal defect is a new alternative treatment approach compared to surgery. In this case, we presented a patient with post-infarct basal ventricular septal defect whose ventricular septal defect was closed using an atrial septal defect closure device. The ability to successfully close such a large defect via catheter is promising for the treatment of patients with VSD.
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Use of the Reverse Transcription-Polymerase Chain Reaction for differential detection of two lineages of the canine distemper virus in Chile

Published on: 4th March, 2019

OCLC Number/Unique Identifier: 8056345040

Worldwide, Canine Distemper Virus (CDV) infection is a highly prevalent disease with high morbidity and mortality. CDV causes a multisystemic disease in a wide range of hosts including 9 families of mammals among them some primates, cetaceans and numerous carnivores. It presents a high tropism for lymphoid, neurological and epithelial tissue, leading to an infection of almost all systems, so the clinical signs observed are very varied. The diagnosis is made based on the clinical presentation of the disease, which considers a variety of signs and must be confirmed by a laboratory diagnostic method. The molecular technique called Reverse Transcription Polymerase Chain Reaction (RT-PCR) has been used to characterize viral strains based on the basis of genetic differences on the hemagglutinin (H) gene of CDV has allowed the identification of 14 circulating lineages in the world. Two lineages, namely the America-1 and the Europe-1/South America-1 have been described in Chile. The goal of this work was to implement a multiplex RT-PCR protocol, which was built on the in silico design of primers based on the H gene nucleotide sequences stored in the Genbank® database. This method was capable of detecting the previously described two circulating genetic lineages of CDV in a differential way providing a supporting diagnostic tool for epidemiological studies in the country. These results suggest that the primers described here are extremely selective for the above-mentioned lineages. In addition, our initial screening indicated that most analyzed clinical samples corresponded to the America-1 lineage, stressing the need for a continuous surveillance in order to properly address the prevalence of both lineages in Chile.
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Evaluation of Clupeids and Danish fish meal based diets on the growth of African catfish, Clarias gariepinus fingerlings

Published on: 4th December, 2018

OCLC Number/Unique Identifier: 8255863994

Two experimental feeding trials were conducted concurrently to study the growth response of African catfish Clarias gariepinus fingerlings to graded levels (0, 5, 10, 15 or 20%) of clupeids in Danish fish meal (DFM) based diets. Chemical analysis of the DFM and clupeids fish meal (CFM) was carried out. Completely randomized design with triplicated groups of fingerlings were used for both trials in an indoor and out-door concrete tanks for six and twelve weeks respectively. The study aimed at achieving a cost effective fish meal from local aquatic resources (clupeids fish) highly prolific and abundant in Nigeria water bodies to replace foreign fish meal in West Africa Region. A project supported by West African Agricultural Productivity Project (WAAPP) in NIFFR, Nigeria. The results of proximate, amino acid profile, mineral and fatty acid composition analysis of CFM indicated values which are very close to those of the DFM. The proximate analysis revealed CFM to contain 70.6% crude protein while DFM contains 72%. There were no significant difference between the treatments with respect to final weight, feed consumed, feed conversion ratio, digestibility and survival (P>0.05) although there was significant difference in specific growth rate (P<0.05) with the highest value obtained in the diets with both fish meal at ratio 1:1. There were no significant difference in haematological parameters (P>0.05). However the lymphocytes were high in all the groups which might not be particularly due to the treatments. The high proliferation of the body defence cells by the fish could be a mechanism of survival in the aqua-medium which is likely to be high in microbial load due to waste materials. Feed Cost/Kg for DFM was N260.16 while for CFM was N227.16. The results of chemical analysis and feeding trials indicated positive replacement of the DFM with CFM in fish feeds without negative effect on growth performance
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The Importance of Potato virus Y Potyvirus

Published on: 19th February, 2020

OCLC Number/Unique Identifier: 8930826479

Potato virus Y Potyvirus (PVY) is one of the most important aphid transmitted viral pathogen of potato worldwide. PVY affects potato plant (Solanum tuberosum L.), which is an important economic crop. PVY infection with potato viruses usually causing severe economic damage affecting both tubers quality and trade. PVY can degrease the production of certified seed and also crops grown for processing or fresh market. Potato is considered as one of the most economically important solanaceous crops cultivated in different regions that (PVY) has been studied in many parts of the world. Wide host plant range is a characteristic of viruses belonging to the Potyviridae. 495 species in 72 genera of 31 families were reported to be infected by PVY. Under field conditions, potato plants are subjected to attack by many viruses. The most cited virus could affect potato in the world is PVY. It has been long recognized as a threat to potato cultivation. Several studies carried out and reported that PVY is the most important virus infecting potato in different localities. Our review article is showed that PVY are the most frequently detected viruses in potato.
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Antiviral and Antinematodal potentials of chitosan: Review

Published on: 14th August, 2020

OCLC Number/Unique Identifier: 8872700405

For many years, chemical pesticides have been performed to control different pests and diseases and this may be due to their broad spectrum of action, easy of application and the relatively low cost. But these chemicals have environmental risks, thus alternative control agents are needed. Chitosan is one of the novel suggested solutions to reduce the economic losses associated with chemical pesticides. Chitosan is naturally-occurring compound, as well as safe and biodegradable which obtained from certain natural sources. Chitosan have unique properties which help to control viruses, bacteria, fungi, insects, plant nematodes and other pests locally and systemically.
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Fluorinated nematicides: Novel classes in the way

Published on: 19th February, 2021

OCLC Number/Unique Identifier: 8983551820

The demand on non- fumigant nematicides was strongly increased in the last few years, and this interesting in nematicides are due to farmers are needed for safer pesticides and increasing of the regulatory pressure on many of the traditional nematicides. The control of plant parasitic nematodes with synthetic nematicides is the most widespread and preferred method, but not always effective enough. The most of synthetic nematicides especially non-fumigants are high toxic to non-target organisms. Thus, Novel non-fumigant nematicides were appeared as alternatives. The group of trifluoromethyl contains both fluensulfone and fluopyram which are different in mode of action than traditional nematicides as organophosphate and carbamate. Meanwhile, results indicated that fluensulfone and fluopyram are promising nematicides. These new nematicides are very different from traditional nematicides; they are more selective, less toxic and safer to use.
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Burden of hearing loss in Subsaharan Africa: Snapshot from an ENT clinic in Nigeria

Published on: 31st December, 2019

OCLC Number/Unique Identifier: 8512989994

Background: Disabling hearing loss is a prevalent public health issue, with significant impact on patients’ communication. The disability associated with hearing loss depends on the severity of the hearing loss. There are limited rehabilitative measures in resource challenged environment. This study assesses the incidence, the factors for hearing impairment and the management outcome. Methods: A descriptive three-year chart review of patients managed for hearing loss in a tertiary health center in a developing country. The data collected include demographic data, clinical presentation and risk factors for hearing loss, audiometric reports, rehabilitative measures and management outcome. Results: The patients with ear symptoms managed within the study period were 1350, of whom 498 (36.8%) had hearing loss of varying degrees. These included 145 (29.1%) males and 353 (70.9%) females with male to female ratio of 1:2.4. The age ranged from 8 to 80 years (median age of 35.7). Disabling hearing loss in the better-hearing ear occurred in 216 (43.4%) of cases. Increasing age and chronic supportive otitis media were associated with disabling hearing loss. The hearing thresholds improved with hearing aids and ear surgical procedures; nonetheless the patients’ rehabilitation was impaired by limited resources. Conclusion: There is poor rehabilitation of people with hearing loss, though management outcome is commendable in a few of them. Health education will reduce the risk factors for disabling hearing loss and improved rehabilitative measures are needed for these individuals.
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Understanding Burnout Rates for Clinicians and Physical Symptoms of Allostatic Load

Published on: 7th January, 2025

Burnout among clinicians is a pressing concern worldwide, manifesting as emotional exhaustion, depersonalization, and reduced professional efficacy. This article explores the intersection of burnout and allostatic load, the physiological burden resulting from chronic stress, to elucidate the consequences for healthcare providers. Burnout impacts clinicians’ mental and physical health, leading to compromised patient care, reduced job satisfaction, and increased attrition rates. A comparative analysis of recent scholarly works reveals converging evidence on systemic contributors such as excessive workloads, inadequate support systems, and organizational inefficiencies, further compounded by individual vulnerabilities like lack of resilience. These challenges have been exacerbated by the COVID-19 pandemic, which has significantly increased stress levels among healthcare professionals globally. This article synthesizes insights from studies conducted between 2020 and 2024, emphasizing the need for holistic approaches to mitigate burnout. It highlights the physiological underpinnings of allostatic load, including chronic dysregulation of stress-response systems that predispose clinicians to adverse health outcomes like cardiovascular diseases, immune dysfunction, and mental health disorders. To address these issues, the article proposes a multidimensional strategy encompassing organizational reforms, evidence-based interventions, and policy advocacy. Recommendations include reducing administrative burdens, fostering supportive work environments, and integrating wellness programs targeting both systemic and individual stressors. Limitations and directions for future research emphasize the importance of inclusive, longitudinal studies focusing on diverse populations to develop tailored solutions. This comprehensive approach aims to enhance clinician well-being and improve healthcare outcomes globally.
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Surgical Fetal Stem Cell Transplant into Heart Failure Patients Long-term Results at 14 Years

Published on: 8th January, 2025

Direct myocardial transplant of HFDSCs (human fetal derived stem cells) by open chest surgical procedure was performed in 10 patients with Heart Failure (HF) due to no ischemic, no chagasic dilated cardiomyopathy. All 10 patients survived the operation. At 40 months, the mean (±SD) NYHA class decreased from 3.4 ± 0.5 to 1.33 ± 0.5 (p = .001); the mean EF increased 31%, from 26.6% ± F) 34.8% ± 7.2% (p = .005); and the mean ETT increased 291.3%, from 4.25 minutes to 16.63 minutes (128.9% increase in metabolic equivalents, from 2.46 to 5.63) (p < .0001); the mean LVEDD decreased 15%, from 6.85 ± 0.6 cm to 5.80 ± 0.58 cm (p < .001); mean performance in the 6-minute walk test increased by 43.2%, from 251 ± 113.1 seconds to 360  0 seconds (p = .01); the mean distance increased 64.4%, from 284.4  144.9 m to 468.2 ± 89.8 m (p = .004); and the mean result in the Minnesota test decreased from 71 ± 27.3 to 6 ± 5.9 (p < .001). Six patients survived after 40 months; 5 of them had complete reverse remodeling after 3 months after transplants. The average age at the moment of the transplants was 62 years (s/d 11.6). Results: The first patient died at 5,4 years for an infection; the second patient died at,7,4 years for heart failure; the third patient died at 8,4 years for heart failure; the fourth patient died at 10 years for heart failure and the fifth patient died at 14,4 years after transplant at the age of 83 for heart failure. The average age at the moment of death was 70 years (s/d12.9). The survival rate at 4 years was 100% (K/M) and at 14 years (25%K/M). Conclusion: These initial worldwide experiences with the surgical direct transplant of liver fetal stem cells in patients with end-stage HF shows clearly the positive effect in the reverse remodeling of the left ventricle of 50% of the cohort and excellent long-term results in these types of patients opening a new avenue for treating end-stage HF patients without any other option of treatment.
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Double-Positive Anti-GBM and ANCA Vasculitis: 2 Case Reports and Review of the Literature

Published on: 21st January, 2025

Double-Positive Patients (DPPs), characterized by the simultaneous presence of Anti-Neutrophil Cytoplasmic Antibody (ANCA) and anti-Glomerular Basement Membrane (anti-GBM) antibodies, represent a rare subset in systemic vasculitis. We present two cases of DPPs with renal involvement and review the existing literature to elucidate the clinical characteristics, histopathological findings, management strategies, and prognostic outcomes associated with this condition. Both cases exhibited renal involvement with rapidly progressive glomerulonephritis, requiring renal replacement therapy. Renal biopsies confirmed crescentic glomerulonephritis with features of both anti-GBM disease and ANCA-associated vasculitis. Management included high-dose glucocorticoids, cyclophosphamide, and consideration of plasma exchanges. Double-positive ANCA and anti-GBM vasculitis pose challenges in management and prognosis. Further research is essential to improve therapeutic strategies for this rare and heterogeneous condition.
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