Background and Aims Acute appendicitis is one of the most common causes of lower abdominal pain, which is considered a general surgical emergency worldwide. The present study aimed to compare the diagnostic value of Raja Isteri Pengiran Anak Saleha Appendicitis (RIPASA) and Alvarado score systems in diagnosing acute appendicitis. Methods A prospective cross‐sectional study was conducted at Shahid Sadoughi and Shahid Rahnemoon Hospitals in Yazd between September 2020 and February 2020. The statistical population consisted of all of the patients referred to the Accident and Emergency department with right iliac fossa (RIF) pain. All patients were scored using Alvarado and RIPASA scoring system. sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were computed by using SPSS statistical software. An receiver operating characteristic curve were plotted. Results In present study, one hundred suspected patients with appendicitis who underwent appendectomy were evaluated. The mean age of our study population was 25.2 ± 12.1 years, and the gender distribution was 57% males and 43% females. The sensitivity, specificity, PPV and NPV of RIPASA were 86.6%, 66.7%, 92.2%, and 52.2%, respectively. The sensitivity, specificity, PPV and NPV of Alvarado score were 67.1%, 72.2%, 91.7%, 32.5%, respectively. The diagnostic accuracy was 68% for Alvarado score and 83% for RIPASA. The area under the curve for RIPASA (0.87) was more than that for Alvarado score (0.77). Conclusion The RIPASA score system had higher sensitivity, PPV, NPV, and accuracy than the Alvarado one. It is recommended for the physician and surgeon to evaluate patients with RIF pain using the RIPASA score.
Objective: An outbreak of coronavirus disease 2019 (COVID-19) occurred in late 2019. A better understanding of this disease will help us in preventing and managing it. This study evaluated the risk factors and clinical and laboratory characteristics of patients admitted to Shahid Sadoughi hospital in Yazd with a diagnosis of COVID-19. Methods: This cross-sectional study was conducted on patients with the diagnosis of COVID-19 admitted to Shahid Sadoughi hospital in Yazd in May 2020, Iran. Patients’ clinical information, including their symptoms at admission, history of smoking or drug/ alcohol abuse, history of Td (tetanus, diphtheria) vaccine, radiographic/computed tomography (CT) scan findings, and blood oxygen saturation, was recorded. The patients were also asked about their previous history of diabetes, hypertension, autoimmune disorder, and cancer or history of diseases in heart, lung, liver, and thyroid. Laboratory findings, height, weight and body mass index of the patients were also recorded. Statistical analyses were performed using SPSS 21. Results: The mean age of 86 patients enrolled in the study was 61.40±17.37 years, of which 56 (65.11%) had mild pulmonary involvement and 30 (34.89%) had severe pulmonary involvement, according to CT scan results. Also, 26 (30.2%) of all patients had diabetes and about 30 (36%) had high blood pressure, but current smokers (6%) were rare. In patients with severe pulmonary involvement, the level of neutrophil, creatinine, and lactate dehydrogenase (LDH) was higher than patients with mild pulmonary involvement. Out of 56 patients with mild pulmonary involvement, 47 patients had a history of Td vaccination in the last 5 years. Only one patient in the severe group had a history of Td vaccination. Conclusion: A lower percentage of blood lymphocytes as well as higher levels of neutrophils, creatinine, and LDH were observed in patients with severe pulmonary involvement. Numerous factors, especially more prominent laboratory abnormalities, determine the severity of the disease, and a better understanding of these factors can help physicians know the severity of the disease and its prognosis. These findings help us to further clarify the characteristics of COVID-19. Also, the effect of Td vaccine should be investigated in future studies.
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