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Background: Most patients with acute pancreatitis (AP) suffer from abdominal pain that requires immediate pain relief, and there are various medication choices available, with opioids being the most prescribed analgesics.

Objective: Our objective is to compare the use of opioids with other medications in emergency settings for managing pain in patients with AP.

Methods: A systemic search was conducted in electronic databases (PubMed/Medline, Cochrane Library, Embase and Google Scholar) from inception to Feb 2023. All statistical analyses were conducted in Review Manager 5.4.1. The study's inclusion criteria was then selected. Only those Randomized Controlled Trials were involved that included patients having AP in an emergency setting. A random-effect model was used when heterogeneity was seen to pool the studies, and the result was reported in the Odds Ratio (OR) and Mean Difference (MD) along with the corresponding 95% confidence interval (CI). Narrative analysis was conducted for those variables which did not have sufficient data be included in the quantitative analysis.

Results: We include eight Randomized Controlled Trials in our study. The Pooled result showed non-significant differences in adverse effects between the two interventions (OR 1.42 [95% CI 0.62, 3.23]; p value= 0.40; I2= 20%). While overall, significantly additional drugs were used in the control group (OR 0.22 [95% CI 0.06, 0.85]; p value= 0.03; I2= 72%). Pain score and severity levels were also analyzed. We used a narrative approach to analyze the length of stay, mean time to reach significant decrease in pain, and mortality, which were all non-conclusive. We also narratively assessed the Pediatric population.

Conclusion: Opioids do not provide significant superiority over other medications and should be avoided due to their addictive nature.

Background: Headaches are among the most common complaints observed in neurology and medicine, notably migraines and tension-type headaches (TTH).

Objective: The purpose of this study was to compare hematologic parameters comprised hemoglobin, hematocrit, platelets, leukocytes, neutrophil-to-lymphocyte ratio (NLR), platelets-to-lymphocyte ratio (PLR) and lymphocyte-to-monocyte ratio (LMR) between migraineurs and tension-type headache patients.

Methods: This cross-sectional study included 23 migraineurs and 23 TTH-diagnosed patients, in accordance with the International Classification of Headache Disorders-3 beta version (ICHD-3-beta). The patients underwent hematological laboratory testing, which included assessments of their serum levels of hemoglobin, hematocrit, platelets, leucocytes as well as neutrophils, lymphocytes and monocytes.

Results: There were significant differences in the mean platelets serum levels between migraineurs and TTH patients, with migraineurs having 355.3 x 103/μl (SD±47.4 x 103/μl) and TTH patients having 282.0 x 103 /μl (SD± 44.2 x 103) /μl, respectively (p = 0.001). However, there were no differences in the mean level of hemoglobin, hematocrit and leukocytes between the two groups. There was also a significant difference in PLR between migraineurs and TTH patients, with a ratio of 138.1 (SD±36.0) in migraineurs and 110.2 (SD±21.9) in TTH patients (p =0.003), but no differences in NLR or LMR.

Conclusion: The mean serum levels of platelets and platelets-to-lymphocyte ratio of migraineurs were significantly higher than TTH patients. However, there were no differences in the mean levels of hemoglobin, hematocrit, leukocytes, NLR and LMR between the two groups.

Background: Acute abdomen in pregnancy (AAP) is defined as intensive abdominal pain lasting less than 24 hours that may require urgent surgery. It is a challenging situation to diagnose and manage, as it is associated with pain due to the normal anatomical and physiological changes that occur during pregnancy.

Objective: Therefore, understanding these changes and their effect on almost every system, will help us appreciate the upcoming causes of AAP, mainly the non-obstetric surgical emergencies (e.g., appendicitis, cholecystitis).

Methods: This article highlights the importance of the well-rounded care that should be offered to every pregnant patient presenting to any center with a Non-obstetric Acute Abdomen. The causes are discussed separately (for surgical pearls), laparoscopic approach and radiologic modality decision-making in pregnancy, which is an academic and a practice-based helpful summary.

Results and discussion: This article highlights the importance of the well-rounded care that should be offered to every pregnant patient presenting to any center with a Non-obstetric Acute Abdomen. The causes are discussed separately (for surgical pearls), laparoscopic approach and radiologic modality decision-making in pregnancy, which is an academic and a practice-based helpful summary. Results and Discussion: In addition, the sequence of ideas and language used in the article was based to help the reader understand the topic, rather than inform them about it. In addition, the utility of laparoscopy in pregnancy remains a concern due to the possible risk of injury to the fetus and fetal acidosis. Although, trials showed that laparoscopy was associated with less blood loss and a shorter hospital stay. Moreover, in some cases radiographic imaging is necessary, posing a diagnostic dilemma.

Conclusion: AAP is a major concern that requires early interventions to pinpoint the cause and manage the patient, properly.

Background: Sickle Garlic (Allium sativum L.) is known as a spice native to western Asia has a strong antioxidant effect and revealed it functions as an antioxidant by increasing ROS-capture activity, cellular antioxidants, SOD, CAT, and GSH levels in cells. Cigarette smoke is very dangerous because it can cause serious illness and death. Cigarette smoke is a major source of exogenous ROS because its particles are high in free radicals. Smoking is also related to a decrease in the body's natural antioxidant levels. Glutathione (GSH) synthesis and expression were found to increase initially and then decrease after being exposed to cigarette smoke.

Objective: The aim of this study is; to analyze effect of garlic ethanol extract administration on gluthatione levels to prevent oxidative stress in smoker rat model.

Methods: This was a case-control study with a control group design, with 15 healthy rats (Rattus norvegicus, sp.) divided into three groups, KN untreated animals (control), K1 animals exposed to cigarette smoke for 40 days (smoker), and K2 animals exposed to cigarette smoke for 40 days and treated with Allium sativum 0.1 g per day for 40 days (smoker and Allium sativum L.). After 40 days of treatment, all animals, including the control, were sacrificed with 30 mg/IP ketamine injections, and the blood plasma were taken for examination.

Results: there were significant difference in glutathione levels between the treatment groups (K2) with the control group (KN) and the smokers group (K1) (p <0.05).

Conclusion: garlic ethanol extract administration can increase gluthatione levels and prevent oxidative stress in smoker rat model.

Background: COVID-19 pandemic has thrown the healthcare systems into confusion worldwide, resulting in major modifications on the practice due to fear of exposure to this virus and its fatal consequences.

Objective: the study aimed to establish the prevalence of COVID-19 in cardiac arrest patients.

Methods: single-centered, Retrospective, observational cohort study that included all patients who presented to ED during the period of the pandemic from January 2021 to May 2022 and documented to have either IN-hospital cardiac arrest (IHCA), specifically within the ED, or OUT-hospital cardiac arrest (OHCA).

Results: This study analyzed 177 patients. Out of which, 30.5% of the patients were aged more than 70 years old. Those with associated comorbidities, the most frequently mentioned comorbidity was hypertension (40.7%). It was found that the prevalence of positive COVID-19 infection was significantly more common among non-Arab (p=0.019), patients with associated chronic kidney disease (p=0.019) and those who had an in-hospital cardiac arrest (p=0.010). No significant associations were observed between COVID-19 infection in terms of age, gender, nationality, associated comorbidities, symptoms, and trauma (all p>0.05).

Conclusion: This study showed the prevalence of COVID-19 among cardiac arrest patients within ED and outside the hospital in our study population. Based on the study's results, the major adjustments in practice were not absolutely needed. Also, this study could help in establishing a good mitigation strategy for at-risk patients.

Background: The α-adrenergic receptor antagonist is the most effective medical therapy to reduce the dynamic component in patients with BPH. However, long-term administration of receptor antagonists can cause upregulation of mRNA receptor expression, resulting in tolerance of drug effectiveness. PKC-α is involved in the process of prostate smooth muscle contraction through activation of the voltage-gated Ca2+ conducted canal, influenced by androgen hormones, especially testosterone, and has an isoform with Twist1, a transcription factor that plays a role in up-regulation of androgen receptors.

Objective: The aim of the study was to compare the effect of long-term tamsulosin monotherapy and tamsulosin - dutasteride combination therapy in PKC-α enzyme expression in prostate stromal tissue of Rattus norvegicus rats of Wistar strain.

Methods: Out of 80 samples of Rattus norvegicus rats were divided into 8 groups with different interventions: negative control group, positive control group, tamsulosin monotherapy administration for 1 day, 3 day, and 6 day groups, and tamsulosin - dutasteride combination therapy for 1 day, 3 day, and 6 day groups. BPH was induced with 3 mg/kg of testosterone proprionate for 3 weeks, continued with drugs administration according to intervention grouping. Prostate stromal tissue was taken and prepared for PKC-α enzyme measurement with ELISA method.

Results: There was a significant difference (p<0.05) in the effect of tamsulosin monotherapy and tamsulosin-dutasteride combination therapy on the PKC-α expression. There was a strong positive relationship between the duration of tamsulosin-dutasteride combination therapy on the PKC-α expression, which means the longer the duration of the combination of tamsulosin-dutasteride combination the higher the PKC-α expression.

Conclusion: Administration of long-term tamsulosin - dutasteride combination therapy causes upregulation PKC-α expression more than tamsulosin only.

Background: A Erectile dysfunction (ED) is one of the well-known comorbidities in males with diabetes mellitus (DM), whose pathogenesis might be induced by dysregulation of corpus cavernosum smooth muscle cells. UC-MSCs are multipotent cells that attract considerable interest due to immunoregulatory properties and might be a potential strategy to regulate and recover the functional cells and tissues, including tissue improvement in DMED.

Objective: This study aims to determine the efficacy of UC-MSCs in improving the erectile function of DMED rats through analyzing the expression of TGF-β, α-SMA, and collagen.

Methods: Total number of 30 male Sprague-Dawley rats (6 to 8 weeks old) were randomly divided into four groups (negative control group, positive control group, T1 group, and T2 group). After 16 h fast, 24 rats were randomly selected and intraperitoneally injected with streptozotocin to induce DM. At 8 weeks after STZ injection, rats with DMED were identified by unresponsive erectile stimulation within 30 min. PC group received 500 μL; T1 rats treated with 500 μL PBS containing 1x106 UC-MSCs; T2 rats treated with 500 μL PBS containing 3x106 UC-MSCs. After MSCs treatment, the rats were sacrificed and the corpus cavernosum tissues were prepared for histological observations.

Results: This study resulted in the administration of UC-MSCs could downregulate the expression of TGF-β, α-SMA, and collagen leading to the improvement of DMED.

Conclusion: UC-MSCs improve the expression of TGF-β, α-SMA, and collagen on erectile dysfunction in streptozotocin-induced diabetic rats.

Introduction: Cystic echinococcosis (CE) is a common zoonosis worldwide. The two most frequent location of CE are liver and lung. Confirmatory diagnosis of CE is routinely performed sung imaging methods such as computer aided tomography and nuclear magnetic resonance in humans.

Aim: to investigate CT scan imaging of patients with pulmonary CE in Masih Daneshvari Hospital from 2011 to 2017.

Matarial and methods: This descriptive-analytic study was carried out on patients with pulmonary CE referring to Masih Daneshvari Hospital. By using the convenience sampling, 195 cases were selected from eligible patients. The data collection tool was a researcher-made questionnaire that included demographic, clinical and laboratory information. Data were analyzed using SPSS software version 20.

Results: In this study, 84.1% and 15.9% of patients were diagnosed using surgical method and CT scan, respectively. Our findings indicated CE was most commonly located in liver (28.2%) and spleen was considered as the lowest location (3.1%). Furthermore, cough was the most common clinical symptom of patients. The lower right lobe opacity was found to be higher, while and Lingula was the least frequent.

Conclusion: According to the findings of this study, surgery is the most important diagnostic and cough method as the most common clinical symptom of the disease. Since the CE with atypical symptoms is relatively common, physicians should always consider the lung CE in differential diagnosis of localized radiological images.

Introduction: Acute lymphoblastic leukemia (ALL) is one of the most common cancers in children and accounts for about ⅓ of cancers in children. The annual incidence of ALL is 4 patients per 100,000 children. Their peak age is between 2-5 Year. One of the most important prognostic factors is cytogenetic abnormalities which are very effective in determining treatment policy.

Aim: To determine the frequency of cytogenetic findings and its effect on the outcome of children with ALL.

Materials and methods: This retrospective cross-sectional analytical study was conducted on children with ALL who their disease was diagnosed between 2001and 2009. Furthermore, 206 patients with ALL were examined by referring to Clinic of Ali Asghar Hospital in Tehran. Data was collected from medical records and analyzed by SPSS16 software.

Results: 206 children with ALL were enrolled in the study. The estimated event-free survival rate of all enrolled patients was more than 70%. There was a significant relationship between type of cytogenetic disorder and clinical outcome of patients (P˂0.0001), where the highest mortality was observed in patients with t (9;22) and t (4;11). There was no significant correlation between the sex and age with the clinical outcome of the patient (P = 0.064; p=0.322). There was a statistically significant relationship between mediastinal mass and clinical outcome (P = 0.002), indicating that the presence of cells growth in an involuntary way can be cause of the cancer. A significant association was found between the clinical outcome of patients and radiotherapy (P = 0.043), indicating that radiotherapy is effective in improving cancer.

Conclusion: The findings demonstrated that the average survival rate without recurrence in children was at level of the European countries. However, the strong chemotherapy weakened the role of many prognostic factors in ALL patients, but some translocations are prognostic factors in predicting death in patients with ALL. Therefore, patients with this factor need to receive more confident treatment policy. Comprehensive studies are required by focusing on more samples because of low number of relapses and deaths in the present study.