Background:When cardiopulmonary arrest occurs, the dentist's ability to perform cardiopulmonary resuscitation (CPR) is the most important factor to minimize morbidity and mortality. This study assessed the basic life support (BLS) knowledge and performance of general dental practitioners in Hamadan, Iran.Materials and Methods:The participants in the study were 80 Iranian general dental practitioners who were chosen randomly. Their CPR knowledge was evaluated by verbal questions and their CPR skills were determined by CPR execution on a special manikin. Nearly 39% (n = 31) of dentists answered none of the questions and only 2.50% (n = 2) answered all of the questions correctly. Thirty six dentists had been participated CPR course after graduation.Result:There was a significant difference between dentists who participated in CPR training course and those that did not participate (P value = 0.000). Only 3.75% (n = 3) were able to perform CPR properly.Conclusion:The results showed that the amount of CPR knowledge and skills were low in participated Iranian general dental practitioners. However, CPR training courses after graduation increased the amount of knowledge significantly, thus, retraining CPR courses is necessary for dentists.
Background: The role and function of Emergency Medical Service (EMS) in people’s health and the need for continuous evaluation of its function, especially delivering services to the patients, are essential. So, the present study was conducted to determine the time indices of prehospital emergency services in Ardabil City, Iran. Materials and Methods: This study was a retrospective cross-sectional study. Out of all calls recorded in EMS centers of Ardabil in the first 6 months of 2020, 327 calls, which resulted in the patient’s transfer to a hospital, were randomly selected. Then, the required data, including time indices and demographic information, were extracted from EMS forms filled by a medical emergency technician for each mission. The obtained data were analyzed using descriptive statistics, including mean, standard deviation, and inferential statistics, including 1-way analysis of variance and the Chi-square test in SPSS v. 22. Results: In terms of time indices, the average delay time (1.01 minutes), the response time (7.87 minutes), on-scene time (13.81 minutes), transport time (12.53 minutes), the total run time (transport time, response time, and on-scene time) (35.15 minutes), and the round trip time (52.50) had been recorded. According to the Chi-square test, there was a significant relationship between the total run time (transport time, response time, and on-scene time), transport time, round trip time, and the location of the emergency base. Conclusion: EMS time indices were at the desired level. Updating information systems, ambulances, medical equipment, and holding training courses for personnel working in this system can effectively improve time indicators.
Background: The effects of anesthetics on memory have not yet been completely clear, and there have been some discrepancies on this issue in the literature. This study aimed to compare the effect of two sedatives, Propofol and Midazolam, on the incidence of cognitive dysfunction in elderly patients undergoing spinal anesthesia. Methods: This double-blind clinical trial was conducted on 136 elderly patients who underwent spinal anesthesia in Besat Hospital, Hamadan, Iran, during 2020-21. The patients were randomly assigned into two groups of Propofol (0.2 mg/kg) and Midazolam (0.02 mg/kg). The Wechsler Memory Scale-III (WMS-III) were utilized to assess the cognitive dysfunction and memory coefficient in the two groups. Results: There was no significant difference between the two groups in terms of short and long-term memory, as well as cognitive dysfunction before and after spinal anesthesia (P>0.05). The time of onset of sedation (Z=-11.11; P<0.005) and recovery from sedation (Z=-10.56; P<0.005) were longer in the Midazolam group, compared to the Propofol group. There were no significant differences between the two groups before and after operation regarding the WMS-III categories (P>0.05). The comparison of the two groups in terms of memory coefficient after operation showed no significant differences between them in this regard (Z=-0.63; P=0.52). Conclusion: Midazolam and Propofol showed no differences regarding the effects on the postoperative memory coefficient or cognitive dysfunction.
Background: The pain of childbirth is the most severe pain that a woman experiences. This study aimed to compare the effect of epidural bolus and epidural continuous infusion of lidocaine %1 on pain and progress of vaginal delivery and motor function in labor epidural analgesia. Methods: This randomized clinical trial was conducted on 50 pregnant women aged between 18-45 years. They were randomly assigned into two groups of bolus injections of lidocaine1% and continuous infusion using an epidural approach. The evaluated variables included systolic and diastolic blood pressures, mean arterial pressure, pain score, heart rate, satisfaction rate, nausea, vomiting, itching, the progress of delivery, and the level of motor and sensory block. The collected data were analyzed in SPSS software (Version 21). P-value less than 0.05 was considered statistically significant. Results: Two groups were similar in age. There were no significant differences between two groups in terms of mean diastolic blood pressure, incidence of hypotension and C/S rate (P> 0.005). Mean arterial pressure, sedation score and neonatal Apgar scores in the first and fifth minutes in the continuous group were significantly lower than the bolus group. Pain score (VAS) in the bolus group) 2.55±1.04 (was significantly lower than infusion group (5.22±2.50). The length of the first and second stages of labor in the bolus group (42.28 and 34.12) was less than continuous infusion (47.04 and 47.00) (P< 0.005). Conclusion: In women undergoing epidural analgesia, epidural bolus injection of lidocaine 1% is associated with greater analgesia and satisfaction than continuous infusion.
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