Raquianestesia unilateral com baixa dose de bupivacaína a 0,5% hiperbárica

Imbelloni, Luiz Eduardo; Beato, Lúcia; Cordeiro, José Antônio

doi:10.1590/s0034-70942004000500013

Cited by 11 publications

(5 citation statements)

References 7 publications

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“…The difference in density between the CSF and local anesthetics is a factor that should be considered to restrict the distribution of solutions within the subarachnoid space. Theoretically, unilateral spinal block could be obtained with hypobaric[ 20 ] or hyperbaric[ 21 ] solution injected into the subarachnoid space, with the patient in lateral position, so that the anesthetic forms a layer above (hypobaric) or below (hyperbaric) the midline. Slow injection speeds along with low doses and concentrations could provide conditions for preferential lateral distribution.…”

Section: Unilateral Spinal Anesthesiamentioning

confidence: 99%

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Spinal hemianesthesia: Unilateral and posterior

Imbelloni¹

2014

Anesth Essays Res

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The injection of a non-isobaric local anesthetic should induce a unilateral spinal anesthesia in patients in a lateral decubitus position. The posterior spinal hemianesthesia only be obtained with hypobaric solutions injected in the jackknife position. The most important factors to be considered when performing a spinal hemianesthesia are: type and gauge of the needle, density of the local anesthetic relative to the CSF, position of the patient, speed of administration of the solution, time of stay in position, and dose/concentration/volume of the anesthetic solution. The distance between the spinal roots on the right-left sides and anterior-posterior is, approximately, 10-15 mm. This distance allows performing unilateral spinal anesthesia or posterior spinal anesthesia. The great advantage of obtaining spinal hemianesthesia is the reduction of cardiovascular changes. Likewise, both the dorsal and unilateral sensory block predominates in relation to the motor block. Because of the numerous advantages of producing spinal hemianesthesia, anesthesiologists should apply this technique more often. This review considers the factors which are relevant, plausible and proven to obtain spinal hemianesthesia.

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Section: Unilateral Spinal Anesthesiamentioning

confidence: 99%

“…[ 34 ] Adequate unilateral spinal anesthesia for lower limbs orthopedic surgery with 5 mg of 0.5% hyperbaric bupivacaine was obtained for all patients. [ 21 ]…”

Section: Unilateral Spinal Anesthesiamentioning

confidence: 99%

Spinal hemianesthesia: Unilateral and posterior

Imbelloni¹

2014

Anesth Essays Res

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“…Різниця в щільності між ЦСР та місцевими анестетиками є фактором, який слід враховувати для обмеження розчинення в субарахноїдальному просторі. Уніполярний спінальний блок може бути отриманий за допомогою гіпобаричного [86] або гіпербаричного [87] розчину, введеного в субарахноїдальний простір, так що анестетик утворює шар вище (гіпобаричний) або нижче (гіпербаричний) середньої лінії. Швидкість введення анестетику визначає, чи буде потік ламінарним, чи турбулентним.…”

Section: положення пацієнтаunclassified

“…Турбулентний потік забезпечує швидке змішування місцевого анестетику з ЦСР, утворюючи однорідну суміш, яка зменшує баричний градієнт між ними. Повільне введення забезпечує уніполярне розповсюдження місцевого анестетику [86,87].…”

Section: положення пацієнтаunclassified

Regional anesthetics: traditions and innovations

Haas

Koval

Haas

2018

PMJUA

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The wide implementation of different regional anesthesia techniques is also actual in pediatric anesthesiology. Using modern methods of regional anesthesia (RA) and modern local anesthetics is a new level in development of pediatric anesthesiology. This article is about advantages of regional pediatric anesthesia in intra- and post-surgery pain management and analgesia. We analyse the techniques of spinal and epidural anesthesia, as well as their varieties such as unipolar spinal block and caudal anesthesia, compare their advantages and disadvantages. Some more techniques such as paravertebral block, TAP-block are considered as an alternative to epidural anesthesia. Methods and possibilities of ilioinguinal, iliohypogastric and TAP-blocks are also mentioned here. The use of the above-mentioned methods allows to reduce the use of narcotic analgesics and hypnotics and, as a consequence, reduces their systemic effects on the child’s body. These methods are safer for use, since they allow you to plan a safe anesthetic for each child and minimize complications.

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“…In low doses, it may maintain sensorial blockade without motor blockade. One disadvantage of spinal anesthesia using bupivacaine alone is the relatively short duration of action, which warrants early analgesic requirement in postoperative period [8, 9]. That is why combining it with sufentanil has been one of the alternative ways.…”

Section: Introductionmentioning

confidence: 99%