Background & Objectives : Laryngoscopy and tracheal intubation may lead to tachycardia, hypertension and dysrhythmia or myocardial ischemia. In this double blind study, the effects of midazolam and lidocaine on hemodynamic response to endotracheal intubation have been examined.

  Methods : 52 ASA class one patients, aged 20-50, who were candidate for elective inguinal hernia surgery with general anesthesia, were randomly assigned to two groups. All patients received normal saline or Ringer's lactate solution (5ml/kg) about 5-10 minutes before induction of anesthesia and were preoxygenated for 3 minutes. Group 1 received midazolam (0.05 mg/kg) and group 2 received lidocaine (1.5 mg/kg) during 3 minutes prior to intubation. Anesthesia was induced with fentanyl (100 µ g) and thiopental (5 mg/kg) and trachea was intubated by the aid of succinyl choline (1.5 mg/kg). Anesthesia was maintained with halothane (0.5-0.75%) and equal proportions of nitrous oxide and oxygen. Systolic and diastolic blood pressure, mean arterial pressure (MAP) and heart rate were recorded before premedication and intubation, as well as immediately two and five minutes after intubation. The data were analyzed by SPSS software using paired t-test.

  Results : After intubation�Systolic and diastolic blood pressure, MAP and heart rate increased in both groups compared to the baseline values. The difference in increasing diastolic blood pressure and MAP between the two groups was significant (p<0.05), but the difference in increasing systolic blood pressure and heart rate between two groups was not statistically significant. The increase in diastolic blood pressure and MAP in group 1 was significantly more than group 2 (p<0.05).

  Conclusion : Clinically, midazolam was as much effective as lidocaine in controlling response to intubations. Consequently it can be used as an alternative lidocaine in intubations. It has also other priorities such as amnesia, anti-anxiety and anti-agitation.

  Background & Objectives: Post-episiotomy perineal pain is one of the most common causes of maternal morbidity and is often poorly treated. This study was performed to investigate effectiveness, side effects and patient satisfaction when lidocaine gel and placebo are used.

 Methods: In this double-blind clinical trial a total of 124 women who had normal viginal delivery with mediolateral episiotomy without other complications were randomly selected to receive lidocain gel or placebo. Pain intensity was assessed by numerical rating scale (0-10) after perineal pain in different intervals. Pain relief was assessed by number of pain pills, amount of gel used and the degree of painlessness. Repair of episiotomy was assessed by physical examination on 1 and 10 days after delivery. The data were used to fill out a questommaire. Finally, these data were analysed by SPSS ll (rel 11).

 Results: There was no significant difference in the amount of pain pills taken, the amount of gel used and patients satisfaction between two groups. Regarding the healing of episiotomy there was no significant difference between two groups in the first and tenth day examinations and all wounds healed on 10^th day. Satisfaction of the patients regarding the use of gel was the same in two groups.

 Conclusion: Despite the findings of some similar studies, topical gel of 2% lidocaine was not significantly different from placebo for healing eposiotomy and relieving its pain. But in both groups result of healing on 10 th day postpartum was good. More studies are required to indicate the effect of high dose of lidocaine on pain relief and the positive effects of using gel on wound healing.