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The Risk-Adjusted Impact of Intraoperative Hemofiltration on Real-World Outcomes of Patients Undergoing Cardiac Surgery

Published on: 27th February, 2017

OCLC Number/Unique Identifier: 7317597137

Objectives: The role of perioperative hemofiltration (HF) in adult patients with impaired renal function undergoing cardiac surgery is controversial. There are suggestions that it may be beneficial for high risk patients undergoing prolonged cardiopulmonary bypass (CPB) surgery. However, long term outcomes in coronary artery bypass graft (CABG) surgery patients have not been investigated. Methods: To address this we retrospectively followed 7620 patients who underwent CABG between April 2001 and March 2006. Logistic regression was used to risk adjust in-hospital outcomes. Cox proportional hazards analysis was used to risk adjust Kaplan-Meier freedom from death curves. Outcomes were adjusted for American Heart Association and American College of College of Cardiology recommended variables. Results: 113 patients had intraoperative HF, 38 had postoperative HF and control group of 7006 that had no HF. After adjusting for differences in case-mix, patients with preoperative kidney disease who received postoperative HF proportionately had significantly higher rates of hospital deaths as compared with intraoperative HF patients. In addition, 5-year follow-up risk-adjusted freedom from death indicated significant differences between intraoperative HF group and postoperative HF patients. Conclusions: These findings support the hypothesis that after adjusting for differences in case mixes, the use of intraoperative hemofiltration may offer superior short term clinical outcomes and longer-term survival benefits for patients with preoperative kidney disease.
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Evaluation of the Bone Marrow Aspirate Examination Practice at the University Hospital Andrainjato Fianarantsoa, Madagascar

Published on: 5th July, 2023

Introduction: The bone marrow aspirate examination is defined as a quantitative and qualitative study of bone marrow cells obtained by puncture and aspiration. Aim: Our objective was to evaluate the practice of this exam at Andrainjato Fianarantsoa University Hospital in order to improve its diagnostic relevance.Method: This is a prospective and descriptive cross-sectional study of all bone marrow aspirates performed at the Andrainjato Fianarantsoa University Hospital Madagascar, during 18 months, from January 2021 to June 2022.Results: Forty-two bone marrow aspirate examinations were performed during the study period, among the 338 requests for hematological analysis received, representing a percentage of 1.26%. The average age of the patients was 32.17 years, with a sex ratio of 2.5. The prescription was of hospital origin in 83.3% of patients, motivated by the disturbance of the blood count in 78.6% of cases. Thirty-three requests were evaluated as relevant prescriptions. Coupled with the realization of the bone marrow examination, the haemograms were pathological in 78.6% of cases. The result of the bone marrow aspirate showed normal marrow cytology (16.7%), reactive marrow (23.8%), pathological marrow (50.0%), and hemodiluted marrow (9.5%). Dysmyelopoiesis (33.3%), multiple myeloma (23.8%), and acute leukemia (19.0%) were the main pathologies found. The difficulties encountered were related to the poor quality of the equipment and the non-availability of other complementary explorations.Conclusion: The bone marrow aspirate examination is technically feasible at Andrainjato Fianarantsoa University Hospital despite the existence of difficulties. The commitment to the process of continuous improvement of quality would impose the improvement of the technical platform.
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Identification and Infrared Spectroscopic Study of Lapachol, β-Lapachone and Hydroxy-hydrolapachol

Published on: 6th July, 2023

Metabolites of Brazilian Cerrado species are considered an immense font of biologically active compounds The diversity of organic compounds generated by the secondary metabolism of various Cerrado plants draws attention especially because many of these compounds have the capacity to be structurally modified and, consequently, produce other very interesting derivatives for pharmacological purposes. Despite this, little is described in the literature about fast, easy, and accessible identification methods for any laboratory, such as infrared spectroscopy. In this sense, this work demonstrates the synthesis and elucidation through spectroscopic techniques of lapachol and its synthetic derivatives. Through quick and simple extractions or reactions, lapachol, β-lapachone, and hydroxy-hydrolapachol were obtained with adequate yields. From this, the main FTIR absorptions of the mentioned naphthoquinones are described, which facilitates the identification of these metabolites with high biological potential. The present work contributes could become a simpler source of data for extraction, synthesis, and spectroscopic characterization by FTIR of the compounds.
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Computational Models in Systems and Synthetic Biology: Short Overview

Published on: 18th January, 2024

Computational models used in specifying biological systems represent a complement and become an alternative to more widely used mathematical models. Amongst some of the advantages brought by these computational models, one can mention their executable semantics and mechanistic way of describing biological system phenomena. This short overview report enumerated some of the computational models utilised so far in systems and synthetic biology, the associated analysis and formal verification methods and tools, and a way of facilitating a broader use of this alternative approach.
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Progress of chemical components and biological activities of Fructus Amomi

Published on: 13th February, 2020

OCLC Number/Unique Identifier: 8627826331

Fructus Amomi is “one of the top four south authentic Traditional Chinese Plant Medicines”, widely distributed in tropical and subtropical districts of China, such as Fujian, Guangdong, Guangxi, Hainan, etc., which has ever been used in clinical for treatment of the digestive diseases. In addition, it has also been used as spices. In recent years, some research about its components together with pharmacological activities have been reported. In this Mini review, we mainly describe the recent progress of the components and pharmacological activities of Fructus Amomi, to provide the reference for the relevant researchers.
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Packaging challenge for COVID-19 drug

Published on: 9th November, 2019

OCLC Number/Unique Identifier: 8872698600

At present Corona virus is the most burning topic across the world. At present there is no drug available to cure 100%. So many companies are trying to make it possible as soon as they can. The basic characteristics of the product is “Non-Toxic made of sugars Carbohydrates”. A Galectin is a protein that recognizes carbohydrates and modulates intracellular and extracellular interactions primarily related to the immune system. In some cases Galectins act as a glue bringing molecules together. The major focus of the research is on extracellular interactions.
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Ovarian lymphoma – A rare presentation

Published on: 6th December, 2022

Non-Hodgkin's lymphoma involving the ovaries is unusual and may cause confusion for the clinician since its presentation could resemble other, more frequent tumors. Malignant lymphoid cells may occur in the ovary either as a primary neoplasm or as a secondary manifestation of a disseminated occult or known disease. The most common presenting symptoms or signs of malignant lymphomas involving the ovaries are abdominopelvic pain or mass. 
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Biomarkers for High Metabolic Burden in Neurologic Disease

Published on: 15th February, 2024

Neurologic diseases are recognized to have multifactorial origins well beyond mere genetic predisposition. Nutritional burdens have been identified to contribute to neurodegeneration. Healthy diets are becoming increasingly appreciated to potentially play key roles in both the developing and developed world of reducing incidences of neurologic diseases, while unhealthy diets are acknowledged to be contributing to their rise.
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Hyperacute fatal course in a hypercalcemic crisis

Published on: 20th January, 2021

OCLC Number/Unique Identifier: 8899339891

A 39-year-old woman, with a not significant past medical history, entered the Emergency Department complaining about nausea, vomiting, constipation, anorexia, deep asthenia, and diffuse muscle aches with cramps. She referred sporadic diarrhea (one episode) the day before and a worsening headache in the past three days; she also complained about polyuria and polydipsia not investigated for one year. The clinical examination was not significant, apart from the evidence of skin and mucosal dryness, tachycardia, and diffuse abdominal pain. The laboratory tests revealed hypokalemia and elevated beta-human chorionic gonadotropin (β-hCG) plasma levels. An ultrasound abdominal imaging was consistent with kidney lithiasis. Suspecting a hyperemesis gravidarum in a patient with kidney lithiasis, a rehydrating therapy was administered as long as potassium reintegration. During the hospital stay, the patient became drowsy. A haemogasanalysis revealed very high calcium values: 3,379 mmol/L (n.v. 1,120-1,320 mmol/L). Lab tests confirmed very high levels of calcium 21,1 mg/dL (n.v. 9-10,5 mg/dL), as long as increased parathormone (PTH) > 3000 pg/mL (normal values 14-65 pg/mL), and hypokalemia (3,2 mEq/L n.v. 3,50 – 4,50). Ultrasound exam of the neck revealed the presence of a left parathyroid nodule measuring 2,5 x 1,6 cm. Before having time to start an appropriate therapy, the patient died.
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An evaluation of hardness of commercially available provisional restorative materials: An in vitro study

Published on: 9th January, 2020

OCLC Number/Unique Identifier: 8514677712

Statement of problem: Provisional restorations play a critical role in the success of restorative treatment so they must maintain their integrity in the oral environment throughout the diagnostic and restorative phases. Purpose: The aim of this study was to compare and evaluate the hardness of four different materials used fabrication of interim restoration. Material and methods: Ten samples with dimensions of 10mmx10mmx2mm were fabricated from four interim materials (DPI, Tempron, Protemp 4 and Transcan). Hardness of samples was measured using Fischer scope hardness tester. Result: The highest mean hardness was found in Heat polymerizing acrylic resin group. ANOVA test indicated F value to be 2201.01 which was highly significant (p < 0.001). Conclusion: Heat polymerizing resin and bisacrylics may be considered in a long term provisional fixed prosthesis.
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