Minerva anestesiologica
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The rational approach to acute pain management is to use the highest quality evidence available. Acute pain management is more than a collection of interventions. It is a package of care that needs to be examined as a whole as well as in its parts. ⋯ Existing tools can do the job if doctors and nurses are educated, both to dispel the myths and misconceptions and to take responsibility for providing pain control. It is much easier to dispel myths when you have the evidence. In 1846, the first anaesthetic provided pain-free surgery - 150 years later patients should not have to endure unrelieved pain anywhere in the hospital.
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Bupivacaine is a local anaesthetic of great potency and long duration but has also well known cardio-and CNS toxic side-effects. For many years it was nearby the only local anaesthetic with these characteristics, making it applicable to almost all kind of loco-regional anaesthetic techniques, and still nowadays, for economical reasons it is in many occasions the only alternative available. ⋯ According to these analysis we concluded that this drug, though still remaining a good alternative in many fields of loco-regional anaesthesia (like peripheral blocks), as well as an efficient drug equal to the above mentioned ones in any sector like epidural analgesia in caesarean section, its best indication is subarachnoideal anaesthesia (combined and not) where it is the best available drug in hyperbaric solution without doubts. It might be interesting in the next future the comparison with hyperbaric solutions of levobupivacaine (not yet available).
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The constant search for increased efficiency and reduction of hospital length of stay has led to an increase number of major orthopedic procedures performed as outpatients and the increase in the associated intensity and duration of acute postoperative pain. Although, it is well established that single peripheral blocks provide adequate anesthesia and excellent immediate postoperative analgesia in patients undergoing minor ambulatory orthopedic surgery, the postoperative acute pain benefit is limited to less than 24 hours. However, many patients required over 24 hours of intensive postoperative analgesia. ⋯ The recent introduction of safer local anesthetics producing preferential sensory blocks along with the development of ambulatory pumps has allow to extend the use of these continuous block techniques to ambulatory patients. Recent development also included the use of cox2 inhibitors along with cold maximize postoperative analgesia. This multimodal approach has been proven to be safe and efficacious as much for resting pain than pain associated with exercise.
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Lumbar plexus and sacral plexus are responsible for sensory and motor innervation of the whole inferior limb and their blockade can be used as a single technique or integrated with general anaesthesia for hip-, femur-, knee-, lower leg-, ankle- and foot surgery. For the performance of the blocks, knowledge of peripheral and central percourse of the nerves and their anatomical relationships to bone-, muscle-, vessel and skin structures is important. In case of the sciatic nerve, a cutaneous projection of the percourse of the nerve is possible (the so-called sciatic line) formed by a virtual line from the midpoint of the line between great trochanter and ischial tuberosity to the apex of the popliteal fossa. ⋯ Regarding the last one, the following approaches are possible, depending on the anatomical site of performance: classic proximal posterior block, parasacral proximal block, lithotomic posterior proximal block, subgluteal posterior proximal block, anterior proximal block, lateral medio femoral popliteal proximal block, block distal from the poplitea, subcalcaneal block. The terms distal and proximal are in relation to the small trochanter. All blocks have to be performed using a nerve stimulator, teflon insulated needles of various measures depending on the kind of block, variable stimulation from 1,5 mA (when evoking muscle contraction) to 0,5-0,3 mA (injection of local anaesthetic) with frequencies of 2 Hz/0,1 ms.
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Minerva anestesiologica · Sep 2001
Randomized Controlled Trial Comparative Study Clinical Trial[Sufentanil vs morphine combined with ropivacaine for thoracic epidural analgesia in major abdominal surgery].
Pain, postoperative ileus, nausea, vomiting are the universal complications after major abdominal surgery. The aim of this study was to assess pain relief, side effects and recovery of gastrointestinal function during epidural analgesia with ropivacaine plus sufentanil and ropivacaine plus morphine after major abdominal surgery. ⋯ Continuous administration of epidural ropivacaine combined with sufentanil or with morphine resulted in good analgesia. Epidural analgesia with ropivacaine plus sufentanil provided the best balance of analgesia, side effects and recovery of gastrointestinal function.