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Subarachnoid block with hyperbaric lignocaine. A comparison with hyperbaric bupivacaine
Anaesthesia
|November 1, 1987
Summary
This study compared hyperbaric lignocaine and bupivacaine for spinal anesthesia. Hyperbaric lignocaine offers a shorter duration, beneficial for faster patient recovery.
Area of Science:
- Anesthesiology
- Pharmacology
Background:
- Subarachnoid block is a common anesthetic technique.
- Hyperbaric solutions are used to control the spread of local anesthetics.
Purpose of the Study:
- To compare the efficacy and safety of 5% hyperbaric lignocaine and 0.5% hyperbaric bupivacaine for subarachnoid block.
Main Methods:
- A double-blind study involving 20 patients.
- Comparison of onset, extent, and duration of sensory and motor blockade.
- Assessment of anesthetic quality, cardiovascular effects, and side effects.
Main Results:
- Both agents provided high cephalad spread of analgesia (T4-5).
- Hyperbaric bupivacaine offered a longer duration in lumbar/sacral segments; thoracic duration was similar.
- Hypotension occurred in both groups but responded well to ephedrine.
Conclusions:
- Hyperbaric lignocaine is a viable alternative to hyperbaric bupivacaine.
- Shorter duration of hyperbaric lignocaine in lumbar/sacral segments is advantageous for rapid recovery.