Marcus Durojaye Ayoola*, Akintunde Samuel Odediran, Samson Oluwaseyi Famuyiwa, Moyinoluwa Oluwagbemi, Lateefat Idowu Afolabi, Farouk Adedeji Oladoja and Oluwabusayo Emmanuel Kasumu
Published on: 14th July, 2023
Objective: The study evaluated the hyperglycaemia-lowering effects, safety, and phytochemical profile of Celtis zenkeri leaf extract in order to justify its antidiabetic folkloric usage. Methods: Modified OECD test guidelines were used to assess its acute and sub-acute toxicity while its effect on blood parameters such as blood glucose, and haematological and biochemical levels were evaluated using appropriate assays. Both in vitro and in vivo antihyperglycaemic assays were used for the antidiabetic studies while histology of the pancreas, liver, and kidney of the rats was examined after treatment with the extract at 250, 500, and 1000 mg/kg for 21 days. GC-MS analysis was used to determine the chemical constituents of the extract. Results: The results obtained showed that the leaf extract of C. zenkeri was not toxic in rats at 5000 mg/kg. It elicited a significant decrease in the blood glucose levels of the animals but did not affect the haematological and biochemical components of normal rats. It significantly inhibited α-amylase and α-glucosidase actions and gave comparable activity to glibenclamide (5 mg/kg) at all time points at 200 and 400 mg/kg. The extract comparably reduced blood glucose levels with glibenclamide at 100 and 200 mg/kg on days 10 and 14 in drug-induced diabetic rats and maintained the histoarchitecture of the liver, kidney, and pancreas at 250 and 500 mg/kg.Conclusion: The study justified the ethnomedicinal use of C. zenkeri in diabetes management.
Objective: The objective of this study was to evaluate the effects of intraoperative epidural anesthesia combined with balanced general anesthesia on intraoperative hemodynamics and fluid requirement, and on postoperative patient outcome.
Design: The study design was a retrospective data analysis of patients undergoing open hepatectomy at a single tertiary care center from May, 2013 to June, 2016. Patients undergoing hepatectomies were separated into two groups: patients not receiving epidural local anesthetic intraoperatively (either no epidural or epidural catheter not used intraoperatively) were designated the control group and patients receiving epidural local anesthetic intraoperatively (bolus and/or continuously). Patients were excluded if they underwent laparoscopic or non-elective procedures.
Results: 103 patients were included in the data analysis: Control n=14, Epidural = 89 patients. There were no major differences in demographics between groups. Epidural patients did not have higher requirements in intraoperative intravenous fluid administration, blood loss, or vasopressor use compared to control patients. Patients who received epidurals required less intravenous opioids with better post-operative pain scores initially and also on post-operative day 2. There were no differences in length of time to ambulation, or post-operative acute kidney injury amongst groups.
Conclusions: This study shows that patients undergoing hepatectomies using combined epidural and general anesthesia: 1) have no increased requirement for intraoperative crystalloid, colloid, or blood component therapy, 2) require lower total intravenous opioid dose, and 3) subjectively report better pain control. Therefore, intraoperative epidural anesthesia combined with general anesthesia may be advantageous for ERAS protocol based oncological procedures.
Objective: To assess the knowledge, attitudes, and skills in pre-hospital care and emergency medicine of doctors, nurses and Emergency Medical Technicians (EMT), who accompanied emergency patients in ambulances?
Methods: A descriptive cross-sectional study was conducted among the doctors, nurses, and EMT who accompanied emergency patients in ambulances to the National Hospital. All ambulances arriving from August to October 2008 (n=409) were screened. A self-administered questionnaire with 30 items was used to assess knowledge, attitudes, and skills. The knowledge was categorized into three levels, EMT-basic level, EMT-intermediate level, and EMT-paramedic level and the scores were converted into the percentages.
Results: The overall knowledge score on basic, intermediate and paramedic level were 57.5%, 42.9%, and 33.9% respectively. The knowledge on airway management (84.3%), bleeding control (82.9%), patient transport (71%) and first aids (61%) at the EMT-basic level were higher, however oxygen administration (37.1%) and basic life support (38.6%), spinal immobilization (45.7%), traction splinting (47%) and triage (48.6%) were lower. For the EMT-intermediate level, knowledge on endotracheal intubation (41.4%) and initial cardiac drug therapy (44.3%) were low. For the EMT-paramedic level, the knowledge on the advanced respiratory support (53%), ECG interpretation (37%), pharmacology (13%) and paediatric life support (20%) were lower.
Most staff showed positive attitudes towards the need of basic knowledge in pre-hospital care (97.1%, n=34), need for proper training (97.1%, n=34) and cost for pre-hospital care (77.1%, n=27), while they showed relatively negative attitudes towards the outcome of pre-hospital care (74.3%, n=26).
For the required skills for advanced life support, most of the staff showed skills in IV cannulation (71.4%, n=25) and IV drug administration (71.4%, n=25) however less skills were shown cricothyroidotomy (22.9%, n=8), pleural drainage (25.7%, n=9) and laryngoscopy and intubation (31.4%, n=11).
Conclusion: The knowledge at the EMT-basic level was average and intermediate and paramedic levels were lower than average. The attitudes were generally positive. However they lacked some specific skills.
Elena S Alalykina, Tatyana N Sergeeva, Michail A Ananyan*, Ivan A Cherenkov and Valeriy G Sergeev
Published on: 16th February, 2024
Background: The age-dependent sporadic form of PD is characterized by the degeneration of dopaminergic (DA) neurons in the Substantia Nigra (SN), gliosis, and vascular changes. Vascular changes may contribute to the onset of the disease and exacerbate the neurodegenerative process, as some vascular changes occur before the onset of neuronal loss. To demonstrate the anti-neuroinflammatory efficacy of a new compound, a water-soluble form of dihydroquercetin (DHQ-WF), we studied the structural changes of microcirculatory vasculature, astroglial GFAP, and vascular endothelial growth factor –A (VEGF-A) mRNA expression in the SN of young and old rats after unilateral nigral treatment by lipopolysaccharide (LPS) and oral administration of DHQ-WF.Materials and methods: The experiments were performed on 18 young (8 weeks - 10 weeks old; 250 g - 320 g) and 18 old (18 months - 19 months old; 390 g - 450 g) male Vistar rats. Young and adult rats from the experimental groups were stereotactically injected with 2 μL LPS solution (LPS from Escherichia coli; 0,01 μL/mL) into one side of the SN. Control young and old rats were similarly injected with 2 μL sterile saline. Half of the animals in both the control and experimental groups (6 animals in each group) received a 2 ml solution containing DHQ-WF at a concentration of 3 mg/ml orally every day. After 8 weeks, brains were harvested and serial cryostat sections were prepared for histochemical (FITC-labeled tomato lectin), immunohistochemical (anti-GFAP Antibody, Cy3 Conjugate) staining, and real-time PCR (mRNA VEGF-A).Results: Eight weeks after LPS injection into the SN, a significant excess of areas occupied by cell bodies and processes of astroglial cells, the density of microcirculatory vessels, and mRNA VEGF-A expression was observed in old animals compared to control old animals and young LPS-treated rats. Oral administration of DHQ-WF to LPS-treated rats resulted in a significant reduction of these parameters in old animals.Conclusion: Injection of LPS into rat SN induces neuroinflammation and vascular angiogenesis, maximally expressed in old animals. Administration of DHQ-WF for 8 weeks significantly reduces these LPS-induced changes. DHQ-WF may be an effective treatment for reducing the effects of neuroinflammation in the aging brain.
Mohamed Firas Ayadi, Aziz Atallah, Fatma Medhioub, Sahir Omrani, Wael Ferjaoui*, Hafedh Mestiri and Rached Bayar
Published on: 24th May, 2022
Pancreatic lipoma is a benign, mesenchymal-derived tumor. It is an uncommon entity that is rarely reported. The diagnosis is usually made on a CT scan or MRI. We present a case of a pancreatic lipoma incidentally discovered on imaging in a 53-years old patient presenting for acute cholecystitis.
Ndayambaje Jean Bernard*, Habarurema Gratien, Habinshuti Janvier, Ingabire Angelique, Ingabire Ange Sabine, Martin Patrick Ongol and S Meenakshisundaram
The isolation of phytase using Pichia Pastoris under methanol/sorbitol co-feeding induction technique was investigated. The biological activity of extracellular phytase after optimization with co-substrates induction in 4 liters fermentor (NBS) increased to 13250 U/ml. This led to a 509 fold increases in comparison to the other type of phytase. This effect was studied via induction with sorbitol/methanol in fermentation by Pichia Pastoris GS115 (Mut+) at 20 °C. The interference of by products; methylal, hexamine and (S)-(+)-1,2-propanediol with release of phytase in Pichia Pastoris under methanol induction were detected and cannot be repressed by methanol induction alone. The TLC was used for glycerin analysis under methanol/sorbitol induction and the results were lesser compare to that obtained during phytase production under methanol induction alone. This work showed the higher expression of heterologous proteins and by fed batch fermentation; the expression identified an advantage of producing a significant activity of phytase.
Practical applications
Plant derived products including sorbitol have been used as alternative medicines for the therapeutic treatment of various diseases, food supplements and could be used in many manufacturing processes. It serves as a culture media for bacteria, and helps to distinguish the pathogenic E. coli O157:H7 from its most other strains. Cells growing on methanol require high oxygen consumption. Sorbitol was used as an alternative cheap co-feeding for the production of proteins and is a non-repressing carbon source for AOX1 promoter with no effect on the level of r-protein at its induction phase. This report describes the isolation of phytase using Pichia Pastoris under methanol/sorbitol co-feeding induction techniques, and sorbitol showed to be a promising co-substrate, as it could enhance both cell growth and targeted protein productivity. This co-feeding and fed-batch induction technique was used for recombinant phytase production in a small and large scale production and the metabolites were analyzed.
Elif Marangoz, Doğangün Yüksel*, Olga Yaylalı, Saadettin Yılmaz Eskiçorapçı, Nilay Şen, Hülya Aybek and Fatma Suna Kıraç
Published on: 25th May, 2022
Objective: In this study, we investigated the significance of the bone scan results as a prognostic factor to predict survival by comparing age, serum PSA level, and Gleason score. Methods: Medical records of 313 patients were retrospectively examined. 265 patients of 313 were included in the study. Results: 202 (76%) patients of 265 were still alive and 63 (24%) patients of 265 were dead because of prostate cancer. Patients’ mean estimated survival times for those with, without, and suspected bone metastases were 47.4 ± 5.4 months, 159.1 ± 8.6 months, and 71.1 ± 14.4 months, respectively (p = 0.0001). While the mean estimated survival time of < 70 years patients old was 137.1 ± 9.4 months, the mean estimated survival time of ≥ 70 years old patients was 78.2 ± 5.0 (p = 0.031). 243 patients with known PSA values, of those whose PSA levels were < 10 ng/ml, between 10-20 ng/ml, between > 20-50 ng/ml, and > 50 ng/ml, the estimated mean survival time was 106.9 ± 4.2 months, 118.1 ± 14.8 months, 87.6 ± 7.4 months and 51.7 ± 6.2 month, respectively and a significant difference was determined (p = 0.0001). For patients whose Gleason scores were < 7, 7,and >7, the mean estimated survival time was 167.5 ± 10.8 months), 86.8 ± 5.5 months, and 61.0 ± 5.4 months, respectively, and a significant difference was determined (p = 0.0001). Conclusion: We identified that the estimated mean survival time of the patients who had bone metastases, had a high level of PSA, had a high level of Gleason score, and were older than 70 years old was shorter than other groups. We concluded the most important prognostic factor affecting survival time independently was the finding of metastasis detected in bone scintigraphy.
In the long run people around the globe particularly those who live in underdeveloped Countries in Africa, especially in Ethiopia a large number of communities has a misconception that disease may be transmitted by utilizing health service due to a lack of trust in health service delivery system, Most of the population strongly related with religion, they claimed that it is sin or God or Allah driven. According to a health behavior model, knowledge and practice are contributing factors for increasing healthcare seeking among patients with low levels of trust [1,2].
Salma Hentati*, Rim Masmoudi, Fatma Guermazi, Farah Cherif, Ines Feki, Imen Baati, Rim Sallemi and Jawaher Masmoudi
Published on: 31st May, 2022
A Fregoli syndrome, just like Capgras Syndrome, Double Subjective Syndrome, and Inter metamorphosis Syndrome, belongs to the group of delusion misidentification syndromes. It is a rare neuropsychiatric pathology that could affect the brain with repercussions on behavior. It is the belief that a familiar person is disguised as a strange person by taking a different physical appearance but remains the same person psychologically. This entity has heterogonous etiologies, occurring mainly in the setting of organic diseases, affective disorders, or schizophrenia. In this article, we proposed to expose a case of a schizophrenic patient who developed Fregoli syndrome.
Introduction: Determination of dry weight is one of the daily goals to achieve in hemodialysis. The aim of this study was to validate the use of bioelectrical impedance analysis (BIA) in estimation of dry weight in a population of Senegalese chronic hemodialysis patients.
Patients and methods: A 9-week cross-sectional study was carried out at the hemodialysis unit of Aristide Le Dantec University Hospital. Adult patients with no previous hospital history were included. The total body water (TBW) was measured with a single frequency bioelectric impedance foot-to-foot analyzer, before and after six successive hemodialysis sessions. These results were compared with those from clinical measurements with the Watson equation using a Student’s t-test and Bland-Altman analysis.
Results: 264 measurements were made in 22 patients (46.6 years, 54.5% men, 92.3 months on dialysis, 62.7 kg mean dry weight). A significant reduction in weight (ΔWeight = 2.0 ± 1.1 kg; p < 0.0001) and in TBW measured by the BIA (ΔTBWBIA = 3.3 ± 1.0 liters; p < 0.0001)) or calculated by Watson’s equation (ΔTBWWatson = 0.5 ± 0.2 liter; p = 0.0001) was observed. There was a strong linear correlation and agreement between the 2 TBW measurements in pre-dialysis. In post-dialysis the concordance diagram indicated a bias = –2.2 and wide agreement limits.
Conclusion: The BIA allows reproducible and reliable measurements and a fair estimate of the TBW in pre-dialysis.
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