Extract

Aggressive hydration in early resuscitation phase does not provide mortality benefit in acute pancreatitis

Published on: 5th December, 2019

OCLC Number/Unique Identifier: 8457482467

Introduction: Fluid management is the cornerstone of treatment for acute pancreatitis (AP), but the proper rate and volume is still controversial. We aim to evaluate the role of aggressive hydration in AP patients. Methods: We retrospectively reviewed and analyzed 279 hospitalized patients of AP. Severity was determined by the Revised Atlanta classification; validated clinical scores were also calculated based on clinical information upon presentation. We extracted amount of fluid received by at 6, 12, 24 and 48 hours after presentation. Aggressive hydration was defined as amount higher than 10 ml/kg bolus followed by infusion at 1.5 ml/kg/h. After direct comparison between aggressive versus non-aggressive hydration groups, propensity-score match was performed to control severity, APACHE II and BISAP score. Post-match comparison as well as a subgroup comparison were conducted. Results: At 24 hours, 125 (44.8%) patients received aggressive hydration averaged at 5.1 L (2-18 L), while 154 (55.2%) patients received non-aggressive hydration averaged at 2.5 L. Post-match comparison showed that aggressive hydration group had longer hospital stay (MAP: 5.3 vs 4.5, p = 0.145, MSAP/SAP: 8.3 vs 4.8 d, p = 0.007), and higher rate of intensive care unit admission (mild: 12.9% vs 4.4%, p = 0.042, moderately severe or severe: 36.8% vs 3.1%, p = 0.001), while showed no difference in rate of mortality or re-admission by 1 year. In patients who presented without organ failure, aggressive hydration did not change the rate of development of organ failure (14.1% vs 12.5%, p = 0.731), but the aggressive hydration group had a trend towards longer hospital stay (5.5 vs 4.6 d, p = 0.083) and higher rate of MICU admission (12.1% vs 4.8%, p = 0.051)
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Prevalence of reported drug allergy and its impact on Beta lactam use with financial and health implications

Published on: 22nd August, 2017

OCLC Number/Unique Identifier: 7317598807

Background:While recognition and documentation of true drug allergy is critically important, most physicians acknowledge that its prevalence is likely overestimated, often on the basis of historical, sometimes anecdotal evidence. Correct or not, once applied, drug allergy labels may result in altered, potentially inferior therapy, increased costs and prolonged hospitalisation. Objective:Estimate the point prevalence, accuracy and symptomatology of self-reported drug allergy in a typical, large NHS Acute Trust adult inpatient population. In the subset with penicillin allergy (PA), estimate additional management costs from the use of alternative antibiotics and readmission rates in the previous 5 years. Methods:Data on self-reported drug allergies were extracted from 440 adult inpatient prescription charts over a 4 month period. Where penicillin allergy (PA) was reported, alternative antibiotic regimens were recorded and their additional costs calculated. Hospital electronic records were used to assess readmission rates of PA patients. Results:194/440 inpatients (44.5%) reported at least one drug allergy. Antibiotic allergy was most commonly reported (51%), followed by analgesic (23%) and antiemetic (12%) allergy. PA accounted for 76% of reported antibiotic allergy. The commonest reported symptoms were cutaneous (42%) and gastrointestinal (18%). Where antibiotic therapy was required for patients with PA to manage acute infections, Ciprofloxacin, Clarithromycin, Teicoplanin, Clindamycin and Cefuroxime were the most commonly employed alternatives. Extrapolation of these figures to include the entire Trust inpatient population suggested that the use of alternative antibiotics in PA patients incurred additional annual expenditure of £268,000. Further, 87% of PA patients had been admitted more than once in the preceding 5 years, with 74% requiring further courses of antibiotics during these admissions. Conclusion:Self-reported drug allergy, and in particular PA, is common in hospital inpatient populations and, in addition to the potentially unnecessary hazards to individual patients resulting from the use of alternative antibiotics, results in a considerable additional financial burden to the healthcare system. This problem could be eliminated by the provision of a nationwide and equitable tertiary Allergy service.
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AsdamarinTM relieves functional dyspepsia in healthy adults in only 7 days: A randomized, double-blind, placebo-controlled pilot study

Published on: 9th July, 2021

OCLC Number/Unique Identifier: 9206105427

Functional dyspepsia (FD) is a prevalent global health concern increasing with years. Inspired by the Traditional Chinese Medicine (TCM) liver-stomach disharmony syndrome in order to find a quick natural alternative treatment, a Ferula asafoetida-Silybum marianum (Asdamarin™) combined extract has been developed and proved its rapid efficiency and its safety with a 7-day randomized, double-blind, placebo-controlled pilot study (CTRI/2018/05/013993 dated 21/05/2018) conducted on 70 healthy human volunteers (aged 18–60 years) supplemented with 250 mg / twice a day of either a placebo or Asdamarin™. Subjects were evaluated from baseline to the end of the study (EOS) through changes in Gastrointestinal Symptom Rating Scale (GSRS), changes in Glasgow Dyspepsia Severity Score (GDSS) and changes in the short form of Nepean Dyspepsia Index (NDI-SF) for Quality of Life. Compared to the baseline a significant reduction (p < 0.001) of GDSS questionnaire score was noted in the Asdamarin™ group (from 5.66 ± 3.1 at baseline to 5.09 ± 2.8 at the End Of Study (EOS)) compared to placebo group (from 2.77 ± 1.3 baseline to 2.69 ± 1.3 EOS), a significant decrease (p < 0.001) of GSRS score noted in the Asdamarin™ group (from 32.11 ± 8.6 baseline to 19.11 ± 5.4 EOS) compared to the placebo group (from 25.23 ± 3.6 baseline to 23.2 ± 4.9 EOS), and a significant reduction (p < 0.001) of NDI-SF scoring was noted in the Asdamarin™ group (from 15.74 ± 4.1 baseline to 11.54 ± 2.1 EOS) compared to placebo group (from 12.54 ± 3.2 baseline to 11.63 ± 2.6 EOS). Asdamarin™ has been found safe and very well tolerated during the study.
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Evaluation of Desmin, α-SMA and hTERT expression in pulmonary fibrosis and lung cancer

Published on: 23rd January, 2018

OCLC Number/Unique Identifier: 7877954483

Background: Pulmonary fibrosis is a clinical problem with an enigmatic etiology with no effective therapy. Current therapies for lung fibrosis are ineffective for progression of lung fibrosis and preventing respiratory failure. Objectives: The aim of this study is to explore the expression of Desmin, α-smooth muscle actin (α-SMA) and the telomerase subunit: human telomerase reverse transcriptase (h-TERT) in a spectrum of lung tissue samples consist of lung fibrosis, lung cancer, and healthy controls. Materials and Methods: The expression of Desmin, α-SMA and hTERT were studied in samples of 15 pulmonary fibrosis samples, 16 samples of lung cancer and 14 healthy controls investigated. We evaluated Desmin, α-SMA as well as the expression of components of telomerase (TERT), by methods: RNA Extraction and cDNA synthesis, Real-Time quantitative PCR, Immunohistochemistry, all prepared from lung tissue paraffin blocked. Results: α-SMA marker detected 1(8.3%) of healthy control and 11(91.7%) of lung fibrosis samples. The difference between groups was significant (p<0.001). Also the difference between healthy control 1(6.7%) and lung cancer 14 (93.3%) for α-SMA marker was a significant (P<0.001). It was a significant difference between healthy control and lung cancer for TERT expression (P=.005). TERT was not positive in any sample of neither healthy control nor lung fibrosis. For TERT, it was a significant difference between lung fibrosis and lung cancer by Fisher’s Exact Test (P=.004). Expression of TERT and α-SMA between small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) was not statistically significant (P=.700, P=0758), respectively. Conclusions: We recommend more investigation to regard α-SMA, Desmin in patients with lung fibrosis and follow them for possible cancer risk. Also, more study is needed to regard TERT as a marker in lung cancer. Assessment of these markers may have future implication to explain the same way of pathogenesis and carcinogenesis of fibrosis and cancer and for prevention or treatment
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A Comparative Study of Anatomic and Functional Outcomes of Two Surgical Techniques of Cataract at Lome

Published on: 17th February, 2017

OCLC Number/Unique Identifier: 7317592098

Aim: To compare the anatomical and functional outcomes of cataract surgery with manual small incision cataract surgery (MSICS) to those of extracapsular cataract extraction (ECCE) in Lome. Patients and Methods: A prospective study involved two groups of patients who underwent ECCE (group 1) and MSICS (group 2) by the same surgeon in the same conditions in different periods. Complications and visual results to the 45th postoperative day were compared. Results: At the 45th postoperative day, 60% of operated eyes of the ECCE group (G1) and 83.9% in the group of MSICS (G2) had uncorrected visual acuity greater than or equal to 3/10. Through the pinhole, these proportions increased to 73.3% for G1 and 92.2% for G2. Visual acuity was less than 1/10 in 4.4% for G1 and 1.1% for G2. The vitreous loss was observed in proportions of 3.8% for G1 and 3.3% for G2. During follow-up, the three main early postoperative complications were inflammation (13.9%), corneal edema (13.3%), and the pigment dispersion (7.2%) in G1 and corneal edema (9.4%), pigment dispersion (8.3%) and hypertonia (6.6%) in G 2. Conclusion: Two cataract extraction techniques offer the same level of safety in intraoperative period. However, MSICS has certain advantages over the ECCE and would be an alternative technique in developing countries.
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Facial Necrotizing Fasciitis in Adults. A Systematic Review

Published on: 26th April, 2017

OCLC Number/Unique Identifier: 7317597468

Introduction: Necrotizing Fasciitis (NF) is a rapidly progressing, severe suppurative infection of the superficial fascia and the sorrounding tissues that may lead to necrosis, septic shock and death if left untreated. Facial NF is rarely seen and symptoms may be non-specific at the onset and depend on the origin site and the stage of the disease, making it difficult for diagnosis. Materials and Methods: A systematic review was done following the PRISMA guidance. PubMed database was searched for case reports published between January 2007 and March 2017. Full text articles were obtained and assesed for relevance. Data extraction was performed as an iterative process. Results: A total of 24 articles, describing 29 adult patients with facial NF were included. Facial NF was more common in males. Skin trauma was the most frequent mechanism of lesion and diabetes mellitus was the most common associated systemic disorder. Periorbital area was the most affected area. In order of appereance, swelling and pain were the most common initial clinical manifestations. Group A Streptococcus was the most frequent microorganism isolated. Advanced airway management was needed in more than 50% of the cases and surgical management was done in 90% of the cases. Conclusions: Practitioners should be aware of its existance, epidemiology, etiology, risk factors and initial clinical manifestations to develop a high index of suspicion, to order studies that may discard or confirm the diagnosis, and to offer prompt treatment to preserve patient’s life and reduce the disfigurement and disability that it may cause.
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Changes in intraocular pressure after ND-yag laser posterior capsulotomy

Published on: 20th May, 2020

OCLC Number/Unique Identifier: 8605488676

The Nd-Yag L has been developed in Europe since the mid-1970s [10]. Today Nd-Yag LPC has become an established procedure for after cataract. Before the Nd-Yag L came into use, the capsulotomy was done by performing a small puncture with a needle knife or 27 gauge needle, either at the time of original operation or as a secondary procedure through the limbus in aphakic or through pars plana in pseudophakic. The Nd-Yag L preferred because it is non-invasive and infection cannot occur. The most important complication is a transient rise in IOP 1-3 hrs of Nd-Yag LPC [1]. Occasionally the pressure rise is high and can cause serious damage to the optic nerve, so that the IOP should be monitored and appropriate measures should be taken if necessary. Only if we can minimize its frequency or, better still, avoid it, altogether, can we accept Nd-Yag L as a safe procedure in our effort to restore vision. In otherwise normal eyes, a mild elevation of IOP is of no consequence because it usually resolves within 24 hour especially when the patient receives anti-glaucoma drugs before and after laser application. However in eyes with pre-existing glaucoma, the incidence of IOP elevation is higher and its duration is longer than in otherwise normal eyes. Some glaucomatous eyes may therefore require additional glaucoma therapy for several weeks following Nd-Yag LPC [3]. So monitoring is particularly important in the cases of glaucoma with optic nerve damage and field loss as these eyes are susceptible to small pressure rises for even a short period. A single rise to 40mmHg for a few hours can cause irreversible damage to the damaged optic nerve and lead to permanent visual loss or even blindness [1]. The purpose of this study is to evaluate the changes in IOP at 1hour,24hour and 1 week after Nd-Yag LPC.
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In vitro beneficial effects of a flax extract on papillary fibroblasts define it as an anti-aging candidate

Published on: 5th May, 2021

OCLC Number/Unique Identifier: 9045687547

Objective: During aging, skin undergoes structural, cellular and molecular changes, which not only alter skin mechanical properties but also biological and physiological functions. Structurally the epidermis becomes thinner, the dermal epidermal junction flattens and the extra-cellular matrix component of the dermis is disorganized and degraded. The dermis is composed of two compartments: The Reticular dermis is the deepest and thickest part while the upper layer, the papillary dermis, which is much thinner and is in close contact with epidermis, plays an important role in the structure and function of the skin. We have recently shown that the papillary dermis was preferentially affected by skin aging because the activity of fibroblasts in this region was especially altered as a function of age. The purpose of this study was to investigate the capacity of a flax extract as anti-aging component. Method: We investigated the capacity of a flax extract to stimulate or restore the activity of papillary fibroblasts from young and old donors in cultured monolayers and in reconstructed skin. Several biological markers of extracellular matrix homeostasis and mechanical properties were investigated. Results: The tested flax extract seemed to improve parameters known to change with age: I/ In monolayers after treatment the number of aged fibroblasts increased II/ In reconstructed skin the flax extract appears to positively regulate some biological activities; particularly in aged fibroblasts where the deposition of laminin 5, fibrillin 1, procollagen I were increased in the dermis and the secretion of specific soluble factors like MMP1, MMP3 and KGF were regulated to levels similar to those observed in young fibroblasts III/ Mechanical properties were improved particularly for elastics parameters (R5, R2 and R7). Conclusion: The flax extract is a promising anti-aging compound. The treatment of aged papillary fibroblasts resulted in a return to a younger-like profile for some of the studied parameters.
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Hypoglycemia by Ginseng in type 2 Diabetic Patient: Case Report

Published on: 9th February, 2017

OCLC Number/Unique Identifier: 7317650902

Ginseng extracts are often used as adaptogen to improve mental performances and well being, helping to overcome stress. Thus, in our times a lot of ginseng extracts are continuously produced and sold into commercial channels. Both Asian and Korean red ginseng (Panax ginseng) and American ginseng (Panax quinquefolius) are the most extensively used and researched. Both Panax ginseng and Panax quinquefolium contain different types of saponins, also known as ginsenosides, which are the substances that give ginseng medicinal properties. Human and animal studies showed that ginseng extracts can also have hypoglycemic effects. The mechanisms by which ginseng reduces blood glucose levels are unclear; some mechanisms have been proposed to explain its hypoglycemic effect, especially modulating effects on insulin sensitization and/or insulin secretion and regulating actions on digestion and intestinal absorption. We describe a case of hypoglycemia by ginseng in type 2 diabetic patient treated with oral hypoglycemic agents. Although, in order to provide better assessments of a sure anti-diabetic efficacy of ginseng, larger and longer randomized controlled clinical trials will be required, in our case we think that we have enough evidence to believe that the cause of hypoglycemia was ginseng. Obviously, this report should not be taken as a proof of the hypoglycemic effect of ginseng, nor it wants to be a suggestion to use ginseng in the treatment of diabetes; instead, it wants to be an alert for patients and clinicians to avoid hypoglycemia in daily clinical practice.
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Determination of calcium in the tooth structure by using flame emission spectrophotometer

Published on: 15th May, 2020

OCLC Number/Unique Identifier: 8595799073

Calcium is the most common element in the tooth’s structure. In addition, calcium is one of the elements that are effective in maintaining dental health. As a result of calcium deficiency, the tooth becomes brittle and begins to rot. Calcium deficiency usually occurs in acidic beverage consumption and during canal treatment. A study was conducted to determine the degree of calcium removal in the root canal dentin after 17% EDTA, 17% EGTA, 15% EDTAC and 1% tetracycline-HCl treatment; later with or without 2.5% NaOCl [1]. Extracted single-rooted human teeth were bisected longitudinally and the root halves (n = 100) were isolated with nail varnish, leaving the root canal exposed. The samples were immersed in the test solutions for 1 and 5 minutes, after which the amount of calcium ion (Ca2+) release into the solutions was determined by flame photometry. The calcium ions (Ca2+) present in hydroxyapatite crystals are one of the main inorganic elements of dentin [2]. It has been reported that some chemicals used for endodontic irrigation are capable of causing alterations in the chemical composition of dentin [3-6]. MethodsDetermination of calcium in the tooth’s structure is very important. Calcium determination, Flame Emission Spectrofometry and inductively coupled plasma optical emission spectrometry (ICP-OES) methods can be performed. These methods can be analyzed in a short time without interference effects. In both methods, the calcium in the tooth is stimulated and the emission intensity it emits is measured as it becomes basic. These emission intensities are directly proportional to the calcium concentration. Also, in these methods, calibration graph or standard addition method is used for calcium determination. The roots were then bisected longitudinally, and the pulp tissue was removed with a toothbrush. All root halves (n = 100) were dehydrated in a sterilizer at 120 °C until they reached a fixed weight, as verified by consistent readings using a precision scale (Sartorius, Gotingen, Germany; precision = 0.0001 g). Thereafter, the specimens were covered with two consecutive layers of nail varnish, leaving the root canal surface exposed. The samples were randomly distributed into the following treatment. Groups: Group 1: 2.5% NaOCl Group 2: 17% EDTA Group 3: 17% EGTA Group 4: 15% EDTAC Group 5: 1% Tetracycline-HCl Group 6: 17% EDTA _ 2.5% NaOCl Group 7: 17% EGTA _ 2.5% NaOCl Group 8: 15% EDTAC _ 2.5% NaOCl Group 9: 1% Tetracycline-HCl _ 2.5% NaOCl Group 10: Distilled water (negative control) In each group, the specimens were immersed in a magnetic stirrer bath containing 10 ml of test solution for 1 and 5 minutes. In groups 1 and 10, the same samples (n = 10) were used for 1- and 5-minute treatments. Calcium is measured between 10 and 1000 ppm (mg/L) with Flame emission intensity. Calcium at a lower concentration cannot be measured. Inductively coupled plasma optical emission spectrometry (ICP-OES) is a widely used method recently. ICP-OES is an advanced high-end method of flame emission spectrophotometer. In this method, the energy source required for excitation is provided by plasma and its temperature is between 4000 and 10000 ⁰C. There is a certain wavelength of light to which each element is stimulated. The wavelength of the light used for calcium is 455,531 nm. At this wavelength, a calibration graph is prepared from standard solutions of calcium. Calcium in the tooth is measured using the calibration chart. The sensitivity of this method is high. Calcium analysis in ppm (mg/L) and ppb (µg/L) concentration can be analyzed with ICP-OES. In this method, the analysis takes minutes. Therefore, it is used in routine analysis. ConclusionUsing these methods, you can easily analyze the calcium found in the structure of the tooth. Also, disinfectant like hypochlorite used during canal treatment increases the calcium release of the tooth. Therefore, the released calcium can also be analyzed using these methods. Here, each sample takes at least 5 measurements and gives the results in accordance with the scientific representation.
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Anti-anxiety effects in mice following acute administration of Ficus Thonningii (wild fig)

Published on: 11th September, 2018

OCLC Number/Unique Identifier: 7856121803

The effect of acute administration of ethanol extract of F. thoningii on anxiety and fear in Swiss white mice was studied. 30 adult Swiss white mice of both sexes were randomly divided in to three groups of 10 mice each. Group1 served as the control and was administered normal saline only. Group 2 (low dose group) was administered 10mg/kg ethanol extract of the F. thoningii, while group 3 (high dose group) was given 20mg/kg of the same extract. All animals were allowed food and water ad libitum. Neurobehavioral parameter was assessed using the light/dark transition box. The analysis of variance (ANOVA) was used to test for variability within and among groups. Results were expressed as Mean ±SEM (standard error of the mean) and probability level p<0.05 was accepted as significant. The result showed that the frequency of transition in the light/dark transition box was significantly increased in the test groups (p<0.05; p<0.01).Similarly, the Light Box Duration was also significantly increased (p<0.01) in the low and high dose groups respectively. However, the Dark box duration was significantly decreased (p<0.05; p<0.01) in the low and high dose groups compared to control. This index showed a decreased level of anxiety and fear in the test groups. This was followed by a corresponding trend of decreased frequency of stretch attend posture and duration of freezing in the light/dark transition box (p<0.01; p<0.001) compared to the control. Summarily, acute administration of ethanol extract of F. thonningii causes calmness and sedation in moderate and high doses. It is therefore likely that it reduces aggression. If the result from this finding is extrapolated to humans, F. thoningii could be used to reduce anxiety disorders.
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Bouveret Syndrome in an Elderly Female

Published on: 3rd January, 2017

OCLC Number/Unique Identifier: 7317627575

Introduction: A gastric outlet obstruction secondary to a gallstone ileus is known as Bouveret syndrome. Herein we present a case of an elderly woman with an impacted gallstone in duodenum and discuss its’ management. Patient description: A 96-year-old woman was admitted to our department due to a gastric outlet obstruction. Initial gastroscopy revealed a gastric bezoar. An attempt for its extraction failed. She underwent a laparotomy in which a cholecystoduodenal fistula and a large impacted stone were found. Separation of the fistula, including closure of the duodenum side, cholecystectomy and removal of the obstructing gallstone were performed. Additional stones were found and retrieved during common bile duct (CBD) exploration. Surgery was finalized by duodenoplasty, closure and T-tube drainage of the CBD. Post-operative course was prolonged and uneventful. Discussion and Conclusions: Bouveret syndrome is a rare cause of gastric outlet obstructions. In this case, unsuccessful endoscopic treatment necessitated surgery for removal of impacted gallstone in the duodenum.
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Thirty days post-operative complications after Sleeve Gastrectomy, Gastric Bypass and Mini Gastric Bypass/one Anastomosis Gastric Bypass. Analysis of the Italian Society for Bariatric Surgery and Metabolic Disorders (S.I.C.OB.) database of 7 years time frame

Published on: 24th October, 2017

OCLC Number/Unique Identifier: 7317654732

Background: To date, the scientific community has mainly focused on outcomes of obesity surgery such as weight loss and resolution of associated complications. Adverse post-operative events and reoperation rates have been poorly reported even if they are a marker of surgical safety and therefore of great importance in guiding patients and surgeons in the choice of the more suitable operation. Methods: This retrospective multicenter observational study is based on the data extracted from the Italian Society of Bariatric Surgery and Metabolic Disorders (S.I.C.OB.) database, which covers almost all the bariatric operations performed in Italy. We analysed the 30 days post-operative complications occurring, in the period from 2009 to 2015, after Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG) and Mini Gastric Bypass/One Anastomosis Gastric Bypass (MGB/OAGB) qualitatively, quantitatively and on the basis of the Clavien-Dindo classification of surgical complications. Complications following surgeries were tested using the 95% confidence interval. Statistical analysis was performed with Statistical Analysis System (SAS). Results: In the 2009-2015 time frame, a total of 31,624 operations were performed of which 6,864 RYGB, 10,833 SG and 992 MGB/OAGB. The complication rate was 4.39 %, 4.04 % and 3.83% respectively. The most frequent complications were hemoperitoneum (0.9%) and perforation, fistula and dehiscence (1%) which were higher in SG when compared with RYGB (with a statistical significance) and when compared with MGB/OAGB (without a statistical significance). When dividing the complications by the different grades of the Clavien-Dindo classification, the only significant difference encountered, from a statistical standpoint, was between MGB/OAGB and SG. MGB/OAGB was associated with a lower grade I Clavien-Dindo complication rate (1.31% versus 2.34%). Conclusion: This study supports a safe profile of obesity surgey in Italy, along with positive bariatric outcomes. The rate of 30 days post-operative complications is progressively lower after MGB/OAGB (3.83%), SG (4.04%) and RYGB (4.39%) respectively. In particular, MGB/OAGB records statistically less low-grade Clavien-Dindo complications compared to SG and RYGB. Introduction
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Organic compositional analysis of propellant powders using monolithic material sorption extraction (MSSE)-a feasibility study

Published on: 5th September, 2017

The application of monolithic material sorption extraction, specifically MonoTrapTM, to the extraction of organic gunshot residue (OGSR) compounds from unburnt propellant powders is described. Four different MonoTraps were assessed for their capability to extract OGSR compounds from two different ammunition types. Extracts were analysed using gas chromatography-mass spectrometry. Results indicated that the carbon disc was suitable for the extraction of OGSR compounds from unburnt propellant powders. Quantities for major compounds were comparable to methanol extractions. The method was successfully used to detect a wide range of OGSR compounds, including nitrotoluenes, nitroglycerin, diphenylamines and centralites and is expected to be applicable to a wide range of ammunition types.
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Expression of C-type Natriuretic Peptide and its Specific Guanylyl Cyclase-Coupled Receptor in Pig Ovarian Granulosa Cells

Published on: 22nd August, 2018

OCLC Number/Unique Identifier: 7844580667

Background: C-type natriuretic peptide (CNP) was isolated from porcine brain and is a 22-amino acid peptide which belongs to the natriuretic peptide (NP) family. Even though this peptide shares structural similarity to other endogenous NPs including atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) its receptor selectivity is different from other NPs. The present study was undertaken to investigate the expression of C-type natriuretic peptide (CNP) and its specific guanylyl cyclase (GC)-coupled receptor in the granulosa cells of the pig ovarian follicle. Results: Specific 125I-[Tyr0]-CNP(1-22) binding sites were localized in the granulosa cell layer of the ovarian follicle with an apparent dissociation constant (Kd>) and a maximal binding capacity (Bmax) of 1.41±0.39 nM and 2.75±0.65 fmol/mm2 respectively. Binding of 125I-[Tyr0]-CNP(1-22) to these sites was also prevented by atrial natriuretic peptide (ANP(1-28)), brain natriuretic peptide (BNP(1-26)) and des[Gln18,Ser19,Gly20, Leu21,Gly22] ANP(4-23) (C-ANP). Production of 3’,5’-cyclic guanosine monophosphate (cGMP) by particulate GC in the granulosa cell membranes was stimulated by natriuretic peptides (NPs) with a rank order of potency of CNP(1-22)>>BNP(1-26)>ANP(1-28). HS-142-1, a selective antagonist of the two recognized GC-coupled NPRs, inhibited CNP(1-22)-stimulated cGMP production in granulosa cell membranes in a dose-dependent manner. Also mRNAs for all three recognized NPRs were detected in granulosa cells using reverse transcriptase-polymerase chain reaction (RT-PCR). Serial dilution curves of granulosa cell extracts were parallel to the standard curve of synthetic CNP. Conclusion: These results indicate that CNP and its specific receptor are expressed in the granulosa cells of the pig ovary, and suggest that CNP may be a local autocrine and/or paracrine regulator via activation of its specific GC-coupled receptor, NPR-B.
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Sensitivity and Intertextile variance of amylase paper for saliva detection

Published on: 12th February, 2020

OCLC Number/Unique Identifier: 8550282807

Contemporary forensic science hinges on DNA analysis to link an individual to a crime scene. Sources of DNA include bodily fluids, including saliva. Amylase is a primary enzyme in human saliva and thus, if detected, indicates possible presence of human saliva. Amylase paper can be used to map apparent saliva and thus provide a source from which DNA can be extracted and analyzed. In this study, the sensitivity of amylase paper was tested, firstly, using dilutions of an amylase standard and subsequently also tested using fresh human saliva. Three trials total were conducted, the first two using an amylase standard and a third using fresh saliva. The first two trials demonstrated firstly that detection of amylase is dependent on the material upon which amylase is deposited. The third trial demonstrated that amylase levels in human saliva may drop significantly somewhere around 48-72 hours. All trials were consistent in the concentration of amylase that Seratec Amylase Paper will detect.
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Use of MicroRNAs to Screen for Colon Cancer

Published on: 31st August, 2017

OCLC Number/Unique Identifier: 7317598451

Colon cancer (CC) screening is important for diagnosing early stage for malignancy and therefore potentially reduces mortality from this disease because the cancer could be cured at the early disease stage. Early detection is needed if accurate and cost effective diagnostic methods are available. Mortality from colon cancer is theoretically preventable through screening. The Current screening method, the immunological fecal occult blood test, FOBTi, lacks sensitivity and requires dietary restriction, which impedes compliance. Moreover colonoscopy is invasive and costly, which decreases compliance, and in certain cases could lead to mortality. Compared to the FOBT test, a noninvasive sensitive screen that does not require dietary restriction would be more convenient. Colonoscopy screening is recommended for colorectal cancer (CRC). Although it is a reliable screening method, colonoscopy is an invasive test, often accompanied by abdominal pain, has potential complications and has high cost, which have hampered its application worldwide. A screening approach that uses the relatively stable and nondegradable microRNA molecules when extracted from either the noninvasive human stool, or the semi-invasive blood samples by available commercial kits and manipulated thereafter, would be more preferable than a transcriptomic messenger (m)RNA-, a mutation DNA-, an epigenetic-or a proteomic-based test. That approach utilizes reverse transcriptase (RT), followed by a modified quantitative real-time polymerase chain reaction (qPCR). To compensate for exosomal miRNAs that would not be measured, a parallel test could be performed on stool or plasma’s total RNAs, and corrections for exosomal loss are made to obtain accurate results. Ultimately, a chip would be developed to facilitate diagnosis, as has been carried out for the quantification of genetically modified organisms (GMOs) in foods. The gold standard to which the miRNA test is compared to is colonoscopy. If laboratory performance criteria are met, a miRNA test in human stool or blood samples based on high throughput automated technologies and quantitative expression measurements currently employed in the diagnostic clinical laboratory, would eventually be advanced to the clinical setting, making a noticeable impact on the prevention of colon cancer.
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Medicinal plant Potentilla fulgens and its effect in vitro against Fasciola gigantica

Published on: 13th May, 2021

OCLC Number/Unique Identifier: 9272395334

Fascioliasis is a one of the most important serious parasitic zoonotic disease which caused by trematode giant liver fluke Fasciola hepatica and F. gigantica among cattle’s and humans. The infection of Fasciola can be control by the use of phytochemicals as anthelmintic components. The anthelmintic activities of dried root powder of medicinal plant Potentilla fulgens and their different preparations (organic extracts and column purified fraction) are uses in vitro against liver fluke F. gigantica. The dried root powder, different organic extract, and column fractions were time and concentration-dependent. Among all the organic extracts, ethanol extract was high toxic than other organic extracts. The toxic effect of ethanolic extract of P. fulgens after 2h exposure the LC50 value is 5.22 mg/ml against F. gigantica. The column purified fraction of dried root powder of P. fulgens shows more toxicity. The 2h LC50 of column purified fraction was 3.25 mg/ml whereas in 8h exposure the LC50 is 1.24 mg/ml. The phytochemicals of the P. fulgens may be used as anthelmintic components against liver fluke F. gigantica. 
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Intentıonal reımplantatıon of hopeless teeth: Cases serıes

Published on: 31st October, 2020

OCLC Number/Unique Identifier: 8872657975

Intentional replantation is an alternative for the treatment of advanced periodontal destruction of the anterior teeth. Systemically healthy three female patient was referred to our clinic with functional complaints. Diagnosis were chronic periodontitis and class III mobility was noted at the mandibular incisors with complete periodontal attachment loss. After phase I periodontal treatment periodontally involved teeth were extracted, endodontic treatment accomplished, the teeth were replanted and fixed to its place with fiber reinforced composite splint. At the end of 2 years tooth was in function with alveolar bone gain. Intentional replantation provided long-term maintenance of patient’s own teeth.
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Antiviral activity of Eucalyptus camaldulensis leaves ethanolic extract on herpes viruses infection

Published on: 13th October, 2017

OCLC Number/Unique Identifier: 7317651634

Eucalyptus camaldulensis (Ec) is considered as a traditional medicinal plant with valuable therapeutic effects. Here we evaluated the antiviral activity of its ethanolic leave extract on different herpes viruses. Vero cells were infected with either of the tested viruses [herpes simplex virus -1 and 2 (HSV-1, HSV-2) and Varicella-Zoster Virus (VZV)] with or without treatment with Ec extract and viral infection development was evaluated by plaque assay. Our results showed significant antiviral activity of the examined extract against all tested viruses. The 80%-MeOH fraction of this extract offered the highest activity against these viruses with 50% inhibitory concentration (IC50) of 0.1±0.08, 0.3±0.02 and 1±0.03 μg/ml against HSV-1, HSV-2 and VZV respectively and 50% cytotoxicity (CC50) at 700 μg/ml. The highest antiviral effect of this fraction was obtained mainly when it was added during and post infection (p.i.) or when it was added only p.i. Also, this fraction significantly reduced the amount of infective endogenous viral particles in cells that were treated with the 80%-MeOH fraction only post viral entry into the host cells. A synergistic antiviral effect against all tested viruses was also observed when cells were treated with a combination of acyclovir (ACV) and 80%-MeOH fraction of Ec. Further study is required for the isolation and identification of the anti-virally active component/s of this fraction.
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