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Fractional spinal anaesthesia in high-risk elderly patients for orthopaedic surgery - Case series

Suvarna Kaniyil1, P G Priya2, M P Nithinkumar2

  • 1Department of Anaesthesiology, Government Medical College, Kozhikode, Kerala, India.

Indian Journal of Anaesthesia
|August 21, 2023
PubMed

Keywords:
Dose fractionationfractional spinal anaesthesiahaemodynamic stabilityhypotensionspinal anaesthesia

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Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
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