Acta anaesthesiologica Sinica
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Acta Anaesthesiol. Sin. · Sep 1995
A clinical audit for postoperative pain control on 1443 surgical patients.
Moderate to severe pain occurs in 75 to 100% of patients after major operations. Pain control techniques, for examples the patient controlled analgesia (PCA) and epidural analgesia, are effective in relieving postoperative pain. Routine delivery of these pain control techniques to patients undergoing operations can be provided by an anaesthesiologists-based acute pain service (APS). ⋯ Effective and safe postoperative analgesia in Chinese patients can be achieved with currently available pain control techniques such as epidural and PCA. APS is a practicable approach to deliver these techniques to postoperative patients on a routine basis.
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Acta Anaesthesiol. Sin. · Sep 1995
Randomized Controlled Trial Clinical TrialMagnesium sulfate has negligible effect on middle cerebral artery blood flow velocity in response to endotracheal intubation.
Pretreatment of magnesium sulfate (MgSO4) attenuates pressor response associated with endotracheal intubation. Vasodilating effect of MgSO4 may increase cerebral blood flow, which upsets the known benefit to cardiovascular hemodynamic. In the present study, we evaluated the effect of MgSO4 on the changes of cerebral blood flow in response to endotracheal intubation. ⋯ Our results suggest that MgSO4 appeared to have negligible effects on cerebral blood flow and hemodynamics in response to tracheal intubation. Its attenuating effect on pressor response induced by endotracheal intubation might be over emphasized.
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Acta Anaesthesiol. Sin. · Sep 1995
Randomized Controlled Trial Clinical TrialThe effect of intrathecal bupivacaine with combined fentanyl in cesarean section.
The use of neuraxial opioids has gained popularity over the last few years; they may augment the analgesia produced by the local anesthetic through direct binding with the specific spinal receptors. Morphine, a lipophobic opioid, may not be optimal as an intrathecal drug for intraoperative analgesia because of its slow onset. The lipophilic opioid, fentanyl for instance, if administered intrathecally, its onset is fast and many of its merits by virtue of its lipophilic property may be seen intraoperatively. ⋯ The combination of bupivacaine with a dose of fentanyl as low as 7.5 micrograms did not produce actual clinical effects. As the dose of fentanyl was increased to 12.5 micrograms or 15 micrograms the quality of surgical analgesia was better and the postoperative analgesia lasted longer. It seemed that the clinical effect might reach its ceiling at the dose of 12.5 micrograms. Pruritus was the most common side effect, but it was mild.
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Cervical epidural blockade provides effective regional analgesia in clinical anesthesia and pain clinics. However, the risk for performing cervical epidural block is higher than lumber epidural anesthesia. We studied the distance from the skin to the cervical epidural space to determine whether there is any relationship between patient age, height, body weight, body mass index (BMI) and the distance from the skin to the epidural space. ⋯ These results indicated that body weight and BMI could be a guideline for identification of epidural space during cervical epidural anesthesia.
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Acta Anaesthesiol. Sin. · Sep 1995
[A proper size of endotracheal tube for infant and young child--a retrospective study in Mackay Memorial Hospital].
There are more than 2000 pediatric patients receiving surgery in Mackay Memorial Hospital each year. Most of these surgery were performed under general anesthesia with endotracheal tube; therefore choosing an appropriate size of endotracheal tube becomes an important issue in our daily practice. ⋯ From our results, we concluded that "whatever method of predicting tube size is used, tracheal tubes 0.5 mm larger and smaller should be available at the time of intubation so that the proper size can be chosen when the glottis is visualized."