Yılmaz Zengin

Is montelukast as effective as N-acetylcysteine in hepatic injury due to acetaminophen intoxication in rats?

This study aims to investigate the acute protective effect of montelukast sodium in hepatic injury secondary to acetaminophen (APAP) intoxication. This study used 60 rats. The rats were grouped into 6 groups. The control group was administered oral distilled water 10 ml/kg, the APAP group oral APAP 1 g/kg, the montelukast sodium (MK) group oral MK 30 mg/kg, the acetaminophen+N-acetylcysteine (APAP+NAC) group oral APAP 1 g/kg, followed by a single dose of intraperitoneal NAC 1.5 g/kg three hours later, the acetaminophen+montelukast sodium (APAP+MK) group oral APAP 1 g/kg, followed by oral MK 30 mg/kg 3 h later, the acetaminophen+N-acetylcysteine+montelukast sodium (APAP+NAC+MK) group oral APAP 1 g/kg, followed by a single intraperitoneal NAC 1.5 g/kg plus oral MK 30 mg/kg 3 h later. Blood and liver tissue samples were taken 24h after drug administration. Aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), and total bilirubin were studied from the blood samples. Liver tissue samples were used for histopathological examination. Compared with the control group, serum AST and ALT activities were higher in the APAP and APAP+NAC groups. APAP+NAC, APAP+MK, and APAP+NAC+MK groups had reduced serum ALT and AST activities than the group administered APAP alone. APAP+MK and APAP+NAC+MK groups had a lower serum ALP activity than the control group. Histopathologically, there was a difference between the group administered APAP alone and the APAP+MK and APAP+NAC+MK groups. MK is as protective as NAC in liver tissue in APAP intoxication in rats.

Malnutrition in Community-Dwelling Elderly in Turkey: A Multicenter, Cross-Sectional Study.

Background This study aimed to investigate the prevalence of malnutrition and explore the somatic, psychological, functional, and social or lifestyle characteristics linked to malnutrition in elderly people at a hospital in Turkey. Material/Methods This study included 1030 patients older than 65 years of age who were seen at the internal medicine and geriatrics outpatient clinics of the study centers in Istanbul, Ankara, Duzce, Corum, Mardin, Malatya, and Diyarbakir provinces between January and December 2014. All patients underwent Mini Nutritional Assessment (MNA) and Geriatric Depression Scale (GDS) tests via one-on-one interview method. The demographic properties of the patients were also recorded during this interview. Results Among 1030 patients included in this study, 196 (19%) had malnutrition and 300 (29.1%) had malnutrition risk. The malnutrition group and the other groups were significantly different with respect to mean GDS score, income status, educational status, the number of children, functional status (ADL, IADL), the number of patients with depression, and the number of comorbid disorders. According to the results of the logistic regression analysis, age (OR=95% CI: 1.007–1.056; p=0.012), BMI (OR=95% CI: 0.702–0.796; p<0.001), educational status (OR=95% CI: 0.359–0.897; p=0.015), comorbidity (OR=95% CI: 2.296–5.448; p<0.001), and depression score (OR=95% CI: 1.104–3.051; p=0.02) were independently associated with malnutrition. Conclusions Our study demonstrates that age, depression, BMI, comorbidity, and the educational status were independently associated with malnutrition in an elderly population.

Glutamine provides effective protection against deltamethrin-induced acute hepatotoxicity in rats but not against nephrotoxicity.

Background The aim of this study was to investigate the protective effects of L-glutamine (GLN) against liver and kidney injury caused by acute toxicity of deltamethrin (DLM). Material/Methods Thirty-two rats were indiscriminately separated into 4 groups with 8 rats each: control group (distilled water; 10 ml/kg, perorally [p.o.]), DLM group (35 mg/kg p.o. one dose.), GLN group (1.5 gr/kg, p.o. single dose.) and DLM (35 mg/kg p.o. one dose.) + GLN group (1.5 gr/kg, p.o. one dose after 4 hours.). Testing for total antioxidant status (TAS), total oxidant status (TOS), interleukin-1 beta (IL-1β), tumor necrosis factor-alpha (TNF-α), and interleukin-6 (IL-6) analyses were performed on tissue samples, and alanine aminotransferase (ALT), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), urea, and creatinine were analyzed on serum samples. Liver and kidney samples were histopathologically analyzed. Results The TOS level in liver was significantly higher in the DLM group than in the control group, and the level in DLM+GLN group was considerably lower than in the DLM group. The TAS level in the DLM+GLN group was considerably higher than in the control and DLM groups. The TAS level in kidney tissues was considerably lower in the DLM group than in controls, but was similar to other groups. Histopathological analyses of liver tissues established a significant difference between DLM and DLM+GLN groups in terms of grade 2 hepatic injury. However, no significant difference was found between DLM and DLM+GLN groups in terms of kidney injury. Conclusions Glutamine leads to significant improvement in deltamethrin-induced acute hepatotoxicity in terms of histopathologic results, tissue oxidative stress parameters, and serum liver function marker enzymes.

The teaching of polar coordinates with dynamic mathematics software

The purpose of this study was to determine the effects of dynamic mathematics software on the achievement of pre-service mathematics teachers in the topic of polar coordinates and to solicit their opinions about computer-assisted instruction. The study was conducted for 11 weeks with 33 pre-service teachers in the Department of Mathematics Education Program of a state university in Turkey. Data collection tools comprised a knowledge test of polar coordinates and administration of a semi-structured interview form developed by the researchers who conducted the study using an embedded design as part of a mixed-method research. The results of data analysis showed that the computer-assisted instruction method in which dynamic mathematics software was used positively contributed to the success of pre-service teachers in understanding the subject of polar coordinates. Furthermore, it was found that pre-service teachers supported the use of this method in lessons as it provides visualization, increases retention, concretization of abstract mathematical structures, better understanding and learning, and creates an interesting and interactive learning environment.

The prognostic value of the neutrophil/lymphocyte ratio in patients with snake bites for clinical outcomes and complications

Introduction Snake bites have cardiotoxicity, neurotoxic, myotoxic, nephrotoxic, and hemotoxic features. The neutrophil/lymphocyte ratio (NLR) provides valuable information for the determination of the diagnosis and prognosis of various diseases. In this study, we aimed to investigate the relationship between NLR with the development of complications and duration of hospital stay in snakebite cases. Method In this study, 107 patients with snakebite complaints that applied to a tertiary care university hospital between 2011 and 2014 were retrospectively reviewed. The control group compromised of 107 age-and gender-matched healthy subjects. These patients were examined using their previous laboratory results, bite areas pictures, geographic location, and analysis of complications that developed during the hospitalization. Results Patients in our snake bites group (n = 107), included males (64%) and females (36%). When NLR1–NLR2, NLR1–NLR3, and NLR2–NLR3 were compared, a statistically significant difference was found (p < 0.001). No mortality was observed in our patients. In cases of snakebites, 4.67% of the patients underwent finger amputation. Compartment syndrome occurred in 3.73% of patients. In one case that developed compartment syndrome, a finger amputation was made. When 8 patients with a complication were compared with patients having snakebite but no complication, the initial NLR was found to be higher and statistically significant (p = 0.042). The average length of stay of patients in the hospital was 9 days. In the analysis of the correlation between the duration of hospitalization and NLR, the patients with a high level of NLR were found to have a longer hospital stay compared to lower NLR levels (p = 0.012). Conclusion NLR was significantly increased in patients that developed complications and needed a longer stay in the hospital.

Fire disaster caused by LPG tanker explosion at Lice in Diyarbakir (Turkey): July 21, 2014

A disaster can be defined as a situation where the affected society cannot overcome its own resources. Our aim was to present the case of a fire disaster caused by a liquefied petroleum gas (LPG) tanker-based explosion on the Diyarbakır-Bingöl road in Lice to determine the various kinds of challenges and patient groups that an emergency department faces and to discuss more effective interventions for similar disasters. This is a retrospective cross-sectional study. To find out the factors that affected mortality, we investigated the patient conditions presented at the time of admission. Among 69 patients included in the study, 62 were male (89.9%) and seven were female (10.1%). The average age of patients was 32.10±14.01 years, and the burn percentage was 51.1±32.2. One patient died during the first response, and a total of 34 patients (49.3%) died during the patient follow-up. Factors statistically related to mortality were determined to be inclusion in the severe burn group, presence of inhalation injuries, use of central venous catheter on patients, application of fasciotomy, presence of a tracheostomy opening, use of endotracheal intubation and sedoanalgesia, and transfer to centers outside the city (p-values <0.001, <0.001, <0.001, <0.001, <0.001, <0.001, 0.001, and 0.003, respectively). In conclusion, although fire disasters caused by LPG tanker explosions are rare, the frequency of such disasters will increase with the increase in LPG use. The factors affecting mortality should be determined to decrease mortality. We recommend that all personnel members who engage in work related to LPG from production to use, in addition to rescue and first-response personnel, be trained comprehensively and that advanced technological fire equipment be used to prevent such disasters.

Conceptual Understanding of Definite Integral with GeoGebra

ABSTRACT This study aimed to determine the effect of a computer-assisted instruction method using GeoGebra on achievement of prospective secondary mathematics teachers in the definite integral topic and to determine their opinions about this method. The study group consisted of 35 prospective secondary mathematics teachers studying in the mathematics education program at a state university in Turkey. The study was carried out using an embedded design, and the Definite Integral Knowledge Test and an opinion form were used for data collection. Upon analyzing the data, the computer-assisted instruction method using GeoGebra was found to positively contribute to the success of teaching the definite integral topic. Prospective teachers stated that this method should be used in math courses as it creates a fun and interesting environment with dynamic learning elements, provides visualization and opportunities to learn mathematics through practice and exercises, enables thorough understanding and explication of skills, and makes way for conceptual learning instead of memorizing. Furthermore, this study was found to facilitate conceptual learning of the relationship between the lower sum, upper sum and Riemann sum.

Use of the neutrophil to lymphocyte ratio compare crp for the early prediction of acute pancreatitis severity

Aim: To determine the usefulness of the neutrophil to lymphocyte ratio (NLR) as a diagnostic tool for the early detection and prediction of acute pancreatitis (AP) severity compared with that of C-reactive protein (CRP). Material and Methods: The medical records of 464 patients hospitalized with AP between 2006 and 2014 were reviewed. The patients were classified into two groups: severe AP (SAP) and mild/moderate AP groups. Lymphocyte and neutrophil counts and CRP levels at the time of admission were noted. Results: Out of the total number of patients (n = 464), 67 had severe AP. The median NLR was significantly higher in the SAP group (median of 11.1) than in the mild/moderate AP group (median of 6.9) (p < 0.0001). The sensitivity and specificity of NLR were 83.6% and 49.4%, respectively, with a cut-off value of 6.8 and an AUC of 0.68. CRP levels were also significantly higher in the SAP group (median of 189 mg/L) than in the mild/moderate AP group (median of 53.5 mg/L) (p < 0.0001). The sensitivity and specificity of the CRP values were 83.6 % and 74.9 %, respectively, with a cut-off value of 113 mg/L and an AUC of 0.83. Conclusion: The NLR was significantly higher in patients with severe AP. However, CRP measurement was superior to NLR as an early predictor of severe disease.

The effect of body mass index on trauma severity and prognosis in trauma patients

BACKGROUND As in the rest of the world, the prevalence of obesity in Turkey has been increasing in recent years and has become a major public health issue. Although many trials have been conducted to study the effects of obesity on internal diseases, there are few studies investigating the effects of obesity on prognosis of trauma patients. The present study analyzed the effects of body mass index (BMI) on trauma severity and prognosis in trauma patients. METHODS This study was prospectively conducted with trauma patients older than 15 years of age who presented at the Dicle University Faculty of Medicine emergency medicine department trauma unit between June 1, 2013 and May 31, 2014. Patients were grouped into high-energy trauma and low-energy trauma groups based on trauma severity. In addition, 4 groups were made according to BMI value (kg/m2). Group I was defined as BMI <25 (normal weight). Group II patients had BMI of 25-29.9 (overweight). Group III had BMI of 30-34.9 (obese), and Group IV was made up of patients with BMI ≥35 (morbidly obese). RESULTS Comparison of whole patient population for inter-group differences showed significant differences between rate of head injury, thoracic injury, extremity injury, multitrauma, clinic admission rate, and mortality rate (p<0.001). No significant difference was observed between groups in abdominal injury rate (p=0.347). CONCLUSION Clinic admission rate, length of intensive care unit stay, mortality rate, multitrauma rate, and injury severity score increased in proportion to greater BMI.

How was Felt Van Earthquake by a Neighbor University Hospital

SUMMARY Objectives Natural disasters, which are defined as events causing great damage or loss of life, are events of natural origin unpreventable by human beings that occur in a short period of time and lead to loss of life and property. The aim of the study is to analyze which patient groups and problems at a university hospital after the earthquakes in Van. Methods For the purposes of this study, 169 patients who presented to our emergency room following the earthquakes that occurred on the 23rd of October, 2011 and the 9th of November, 2011 in Van and were treated as an outpatient or inpatient were enrolled. Patients were divided into two groups. Patient data including the clinical and demographic characteristics were analyzed. Results Among the 169 patients included in our study, 97 (57.4%) were male and 72 (42.6%) were female. The mean age was 26.95±16.44 years in Group 1 and 39.80±23.08 years in Group 2. In our study, the majority of the patients in Group 1 had orthopedic injuries, while internal problems were more common in Group 2. The need for intensive care was greater among the patients in Group 1 compared to Group 2 (p<0.05). The leading cause of death in Group 1 was multi-systemic trauma in 7 out of the 10 patients (70%) and internal problems in Group 2 with 5 out of 12 patients (41.5%). Conclusions Our country is in a geographical location where earthquakes are responsible for great losses of life and property. An efficient disaster relief plan may help to minimize the possible damage of earthquakes.