this study was conducted to define the prevalence and types of corneal astigmatism in relation with corneal optical power, axial length, sex and patient age. 641 cataract patients were included in a descriptive study. complete eye examinations were included in a descriptive study. complete eye examinations were performed. the data were analysed by standard procedures including analysis of varia...

children, similar to adults, are required to fast before general anesthesia in order to reduce  the volume and acidity of stomach contents. it is thought that npo regulations reduce the risk of regurgitation and aspiration of gastric contents during surgery. recent developments have encouraged a shift from the standard 'nil by mouth from midnight' fasting policy to more relaxed regime...

conclusions in this study, the preoperative anxiety was reduced by explaining anesthesia and surgery to the mothers and children (in mothers it was significant p < 0.05). since there is a direct relation between mothers’ and their children’s anxiety, using an effective method to reduce anxiety in children and their mothers together at the same time would be very useful for children and their mo...

conclusions the findings of this survey showed that shortening the duration of pre-adenotonsillectomy fasting period and hydration of patients several hours prior to the operation might be effective in decreasing postoperative pain and facilitating postoperative oral feeding initiation. nevertheless this method does not seem to prevent postoperative nausea and vomiting. results the amount of ac...

background: the routine use of preoperative appropriate paraclinic testing is useful in patients scheduled to undergo elective surgery. the purpose of this study was to assess the prevalence of unnecessary preoperative evaluation performed for patients undergoing elective surgeries.methods: this descriptive analytic study was performed to assess the patterns of preoperative evaluation tests on ...

the aim of this study was to evaluate the morbidity and mortality in patients with operable stage ii and iii rectal cancers within one or two months after surgery, who has been treated pre-operatively with short course radiotherapy. twenty-eight patients with rectal adenocarcinoma, consecutively referred to the cancer institute of imam khomeini hospital from march 2009 to march 2010, were selec...

background: we performed this study to evaluate the efficacy of melatonin, clonidine and gabapentin in reducing preoperative anxiety and postoperative pain in patients undergoing laparoscopic cholecystectomy. methods: this study was a randomized clinical trial on patients scheduled for laparoscopic cholecystectomy. a total number of 88 patients were categorized into four groups to receive melat...

conclusions a single preoperative oral dose of pregabalin, acetaminophen, dextromethorphan, and naproxen one hour before surgery is an effective method for reducing postoperative pain and morphine consumption in patients undergoing radical neck dissection. background preemptive analgesia may be considered as a method not only to alleviate postoperative pain but also to decrease analgesic consum...

preoperative medical consultations; hence, reducing unnecessary consultations among low-risk patients while potentially increasing consultations among high-risk individuals. Notably, the existing variability in preoperative consultation practice may actually be helpful in designing initiatives to improve the appropriateness of preoperative medical consultations. Specifically, in characterizing ...

background: today the use of laparoscopy before laparotomy is an effective method for decision-making in patients with gastric adenocarcinoma. the reliance on ct scans for decision-making purposes is not only unhelpful, yet also misleading . nonetheless, indications for laparoscopy and its application are changing daily. the low quality of diagnostic tools and epidemiological situation in our c...