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Original Article Open Access

Combined Spinal-Epidural Anaesthesia for Lower Limb Orthopaedic Surgery-An Observational Study

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Annals of Medicine and Medical Sciences Volume 04 (2025), Version 11 September 1, 2025 pp. 992 - 995
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Abstract

Background: Combined spinal-epidural (CSE) anaesthesia has emerged as a preferred technique for major orthopaedic procedures. This study evaluates the effect of epidural top-up on spinal anaesthesia using the separate interspace method in total knee replacement surgeries. Material and Methods: A prospective observational study was conducted on 66 patients undergoing elective TKR. Sensory and motor blockade, haemodynamic changes, and postoperative analgesia were analysed across the spinal and epidural phases. Results: Epidural top-up significantly increased sensory blockade in 77.2% of patients. Motor blockade was sustained, and haemodynamic parameters remained stable. VAS scores remained low postoperatively, indicating effective pain control. Conclusion: The separate interspace CSE technique enhances sensory blockade, provides stable intraoperative conditions, and ensures effective postoperative analgesia, validating its use in prolonged orthopaedic procedures.

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