Evaluation of polyester high-tenacity fabric and carbon nanotube reinforcements for improving flexural response in concrete beams.

This research scrutinized the effectiveness of utilizing polyester high tenacity fabrics to enhance the functionality of concrete panels. Two distinct woven fabrics with comparable strength resistance were fabricated and assessed. Concrete beams were compared in their original form and those reinforced with woven fabrics, along with beams reinforced with carbon nanotubes (CNTs) (B, BC2, BC4, BS1, and BS2).

Seismic analysis of Islamic Egyptian minarets through 3D scanning and dynamic simulation.

Recently, Egypt had seismic activity. These seismic events have affected the stability of minarets, especially historical ones. Weight is one of the minaret's main stability factors.

Enhancing the Sustainability of Eco-Friendly Potentiometric Ion-Selective Electrodes for Stability-Indicating Measurement of Ethamsylate: Application in Bulk and Pharmaceutical Formulations.

Background: Through the use of sustainable and green chemistry concepts, scientists need to decrease waste, conserve energy, and develop safe substitutes for hazardous compounds, all for protecting and benefiting society and the environment.

Objective: Four novel eco-friendly ion selective electrodes (ISE) were generated to determine Ethamsylate (ETM) in bulk powder and different pharmaceutical formulations. The present electrodes were fabricated to clearly distinguish ETM from a variety of inorganic, organic ions, sugars, some common drug excipients and the degradation product, hydroquinone (HQ) of ETM, and thus used for stability-indicating methods.

Analysis of the sonographic predictors of difficult laparoscopic cholecystectomy in symptomatic cholelithiasis.

Background: Laparoscopic cholecystectomy (LC) is one of the most common laparoscopic procedures performed by young surgeons nowadays. Sometimes, LC could be challenging, especially for junior surgeons leading to serious complications. Therefore, this study aims to investigate the preoperative ultrasonographic features that could predict difficult LC.

Utilizing industrial byproducts for the manufacture of clay-cellulose nanocomposite cements with enhanced sustainability.

This study investigates the influence of different nano clay contents (0, 1, 3, and 5 wt% of cement) on the microstructure and the mechanical properties of cement composites reinforced with varying Nano cellulose fiber contents (0, 0.5, 0.75, and 1 wt% of cement).

D-line Approach for Safe Laparoscopic Cholecystectomy: Initial Experience.

Introduction The critical view of safety is an important concept for safe laparoscopic cholecystectomy. However, no standard step-by-step approach for achieving the critical view of safety has been established until now. Therefore, this study aims to evaluate a new approach for achieving the critical view of safety using the diagonal line of liver segment IV as an anatomical landmark.

Wood sawdust waste-derived nano-cellulose as a versatile reinforcing agent for nano silica cement composites: a systematic study on its characterization and performance.

The development of sustainable construction materials is a pressing concern for researchers worldwide, as the cement industry is a major contributor to environmental degradation. The incorporation of nano-materials with cement composites has emerged as a promising solution to sustainable materials production. In this study, the effect of the addition of nano cellulose produced from wood sawdust waste on the performance of cement-based nano-silica composite was investigated.

Predictors of portal vein complications after pediatric liver transplantation: A German center experience.

Background: Portal vein complications (PVCs) after pediatric liver transplantation (LT) are sometimes asymptomatic, especially in the early phase, and can threaten both the graft and patient's survival. Therefore, the purpose of this study is to analyze the risk factors for portal vein thrombosis (PVT) and portal vein stenosis (PVS) after pediatric LT.

Methods: All pediatric patients (n = 115) who underwent primary LT at Regensburg University Hospital between January 2010 and April 2017 were included in this study.

Image-guided laparoscopic cholecystectomy using indocyanine green fluorescence cholangiography: what is the optimal time of administration?

Introduction: Near-infrared (NIR) fluorescent cholangiography (FC) using indocyanine green (ICG) in laparoscopic cholecystectomy (LC) has been used as a technique for real-time visualization of bile ducts for approximately ten years; however, no standard protocol has been determined. This study aimed to determine the optimal time of administration of ICG.

Material And Methods: In this prospective study, patients ( = 30) indicated for LC were divided into two groups.

Splenic auto-transplantation after splenectomy for trauma: evaluation of a new technique.

Background: Splenic autotransplantation is a promising method to recover splenic functions after traumatic splenectomy. However, it is associated with several postoperative complications, such as subphrenic abscess, intestinal obstruction and torsion of the omentum with necrosis of the implanted splenic tissues. Therefore, the aim of this study is to evaluate a new splenic autotransplantation technique that could overcome those complications.

Different clinical risk scores for prediction of early mortality after liver resection for hepatocellular carcinoma: which is the best?

Background: Prediction of early mortality after hepatectomies for hepatocellular carcinoma is essential to identify high-risk patients and to decrease the operative mortality rate. Several post-operative clinical risk scores were developed recently to predict mortality post-hepatectomy; however, which one is the best remains undefined. Therefore, the aim of this study was to evaluate the performance of the different post-operative clinical risk scores in predicting early mortality after hepatectomies.

Current Status of Liver Transplantation Using Marginal Grafts.

The use of marginal liver grafts has become an inevitable option because of the continuous increase in the number of patients awaiting liver transplantation and the severe shortage of suitable donors. Recently, several approaches have been adapted to expand the donor pool and improve the outcome of marginal grafts in both deceased and living donor liver transplantation. Accordingly, this review discusses the various types of marginal grafts in both deceased and living donor liver transplantation, their outcome and the up-to-date innovations or strategies to extend the donor pool and improve the patient and graft survival post-transplant.

Evans Syndrome After Successful Immunosuppressant-Free Living-Donor Liver Transplant.

Evans syndrome is an uncommon disease characterized by a combination of autoimmune hemolytic anemia and autoimmune thrombocytopenia concomitantly or sequentially with a positive direct Coombs test in the absence of any underlying known cause. Here, we present a case of an adult patient who underwent living-donor liver transplant that was preceded by bone marrow transplant 20 years earlier from the same HLA identical donor and who received a single-agent immunosuppressive therapy for only 2 months as prophylaxis against graft-versus-host disease. Two months after transplant, he developed Evans syndrome with severe anemia and thrombocytopenia.

Is Muscle MELD a More Promising Predictor for Mortality After Living Donor Liver Transplantation?

Background: To improve the outcome of living donor liver transplantation (LDLT), a scoring system that could predict accurately the patient and graft survival posttransplant is necessary. The aim of this study is to evaluate our previously proposed Muscle-model for end-stage liver disease (M-MELD) score and to compare it with the other available scores to find the best system that correlates with postoperative outcome after liver transplant.

Methods: We retrospectively reviewed the data of 199 patients who underwent LDLT from January 2010 to July 2016 and calculated the preoperative MELD, MELD Na, the product of donor age and MELD (D-MELD), M-MELD, integrated MELD, and the balance of risk (BAR) score in all patients.

Sclerosing encapsulating peritonitis after living-donor liver transplantation: A case series, Kyoto experience.

Sclerosing encapsulating peritonitis (SEP), or abdominal cocoon is a rare cause of intestinal obstruction, and still etiology remains unknown. We report a series of 4 patients with abdominal cocoon, and all the 4 patients had previously undergone living-donor liver transplantation (LDLT). There was no evidence of SEP before and during LDLT.

The Impact of Preoperative Hemoglobin Level on the Short-Term Outcomes After Living Donor Liver Transplantation.

Background: Preoperative anemia was reportedly associated with increased morbidity and mortality after various types of surgeries. However, its impact on the outcomes after liver transplantation has not been thoroughly investigated.

Methods: We retrospectively investigated the clinical outcome of 216 consecutive adult patients who underwent living donor liver transplantation at our institute between January 2010 and June 2017 and stratified them according to the hemoglobin level before transplant.

Human leukocyte antigen compatibility and lymphocyte cross-matching play no significant role in the current adult-to-adult living donor liver transplantation.

Background: The impact of human leukocyte antigen (HLA) compatibility and positive lymphocyte cross-match (LCM) on organ transplantation is well-recognized particularly in kidney and heart transplantation; however, it is still debatable in liver transplantation (LT). So, the aim of this study was to evaluate the impact of HLA mismatch and positive LCM on the outcome of LT.

Methods: We retrospectively analyzed the data of all adult recipients who underwent living donor LT at our institute between January 2010 and July 2016.

A Propensity Score-Based Analysis of Laparoscopic Liver Resection for Liver Malignancies in Elderly Patients.

Purpose: Laparoscopic liver resection is safe, feasible and associated with less blood loss, shorter hospital stays and fewer postoperative complications in the working age patients with malignant liver tumors. However, it is still unclear if the elderly patients with malignant liver tumors would also benefit from that approach as the younger patients. So, the aim of the study was to compare the clinical outcomes of laparoscopic versus open liver resection for malignant liver tumors in elderly patients.

Evaluation of a new energy device for parenchymal transection in laparoscopic liver resection.

Introduction: THUNDERBEAT (TB) is a novel device that uses both ultrasonic and advanced bipolar energies for hemostasis. Several recent human studies have proved the safety and efficacy of TB in different surgical procedures, but there have been no similar studies about its efficacy in hepatic parenchymal transection. Therefore, the aim of the study was to assess the safety and efficacy of the TB device in laparoscopic liver resection.

Evaluation of safety of concomitant splenectomy in living donor liver transplantation: a retrospective study.

In Asian countries, concomitant splenectomy in living donor liver transplantation (LDLT) is indicated to modulate the portal vein pressure in the small-sized graft to protect against small for size syndrome. While concomitant splenectomy in deceased donor liver transplantation is almost contraindicated based on Western Reports of increased mortality and morbidity rate due to septic complications, there are few studies about that in LDLT. So, we retrospectively investigated the clinical outcome of adult LDLT at Kyoto University Hospital from July 2010 to July 2016.

The impact of wound age on the infection rate of simple lacerations repaired in the emergency department.

Background: The influence of wound age on the risk of infection in simple lacerations repaired in the emergency department (ED) has not been well studied. It has traditionally been taught that there is a "golden period" beyond which lacerations are at higher risk of infection and therefore should not be closed primarily. The proposed cutoff for this golden period has been highly variable (3-24h in surgical textbooks).

Stability-indicating spectrophotometric methods for determination of tazarotene in the presence of its alkaline degradation product by derivative spectrophotometric techniques.

The stability of tazarotene (TZ) was investigated and two stability-indicating methods-namely, first derivative and a derivative ratio spectrophotometric method-were used to determine tazarotene in the presence of its alkaline degradation product (HD) using methanol as a solvent. A linear relationship was obtained in the range 1-10 µg ml⁻¹ for both methods. By applying the proposed methods, it was possible to determine tazarotene in its pure powdered from with accuracy 99.

Stability-indicating chemometric methods for the determination of tazarotene.

Two multivariate calibration methods-principal component regression (PCR) and partial least square (PLS)-have been used to determine tazarotene in the presence of its degradation products. Both methods are useful in spectral analysis because of the simultaneous inclusion of many spectral wavelengths instead of the single wavelength used in derivative spectrophotometry. A great improvement in the precision and predictive abilities of these multivariate calibrations was observed.

A validated HPLC method for separation and determination of promethazine enantiomers in pharmaceutical formulations.

A simple, rapid, and validated method for separation and determination of promethazine enantiomers was developed. Promethazine was separated and quantitated on a Vancomycin Chirobiotic V column (250 x 4.6 mm), using a mixture of methanol, acetic acid, and triethylamine (100:0.