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Purpose <p>While robotic-assisted total knee arthroplasty (RA-TKA) has demonstrated improved surgical precision, its impact on early postoperative pain management remains unclear. This study compared early postoperative pain outcomes between RA-TKA and conventional TKA (C-TKA).</p> Methods <p>In this retrospective study, 230 consecutive patients (309 knees) who underwent primary TKA were analyzed: 143 patients (181 knees) in the C-TKA group and 87 patients (128 knees) in the RA-TKA group. Pain scores at rest and during movement were assessed using the Numerical Pain Rating Scale for 72&#xa0;h postoperatively. Secondary outcomes included opioid consumption and length of hospital stay.</p> Results <p>While pain scores at rest showed no significant differences between groups, RA-TKA patients reported significantly lower pain scores during movement at 24&#xa0;h post-surgery (<i>p</i> = 0.023). The RA-TKA group demonstrated significantly reduced opioid consumption during the first 48 postoperative hours (<i>p</i> = 0.001 for 0-24&#xa0;h; <i>p</i> = 0.03 for 24-48&#xa0;h) and shorter length of hospital stay (<i>p</i> = 0.011). Subgroup analysis of unilateral procedures showed similar advantages in the RA-TKA group.</p> Conclusion <p>RA-TKA was associated with reduced pain during movement, decreased opioid consumption, and shorter hospital stay in the early postoperative period compared to C-TKA.</p>

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A comparative study of early postoperative pain: robotic-assisted versus conventional total knee arthroplasty

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月5日

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  • Keerati Chareancholvanich,
  • Chaturong Pornrattanamaneewong,
  • Ronnakit Udompanich,
  • Kit Awirotananon,
  • Rapeepat Narkbunnam

摘要

Purpose

While robotic-assisted total knee arthroplasty (RA-TKA) has demonstrated improved surgical precision, its impact on early postoperative pain management remains unclear. This study compared early postoperative pain outcomes between RA-TKA and conventional TKA (C-TKA).

Methods

In this retrospective study, 230 consecutive patients (309 knees) who underwent primary TKA were analyzed: 143 patients (181 knees) in the C-TKA group and 87 patients (128 knees) in the RA-TKA group. Pain scores at rest and during movement were assessed using the Numerical Pain Rating Scale for 72 h postoperatively. Secondary outcomes included opioid consumption and length of hospital stay.

Results

While pain scores at rest showed no significant differences between groups, RA-TKA patients reported significantly lower pain scores during movement at 24 h post-surgery (p = 0.023). The RA-TKA group demonstrated significantly reduced opioid consumption during the first 48 postoperative hours (p = 0.001 for 0-24 h; p = 0.03 for 24-48 h) and shorter length of hospital stay (p = 0.011). Subgroup analysis of unilateral procedures showed similar advantages in the RA-TKA group.

Conclusion

RA-TKA was associated with reduced pain during movement, decreased opioid consumption, and shorter hospital stay in the early postoperative period compared to C-TKA.