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Review
. 2022 May 5;11(9):2579.
doi: 10.3390/jcm11092579.

Intravenous versus Epidural Routes of Patient-Controlled Analgesia in Abdominal Surgery: Systematic Review with Meta-Analysis

Dmitriy Viderman  1   2 , Karina Tapinova  1 , Fatima Nabidollayeva  3 , Ramil Tankacheev  4 , Yerkin G Abdildin  3
Affiliations
Review

Intravenous versus Epidural Routes of Patient-Controlled Analgesia in Abdominal Surgery: Systematic Review with Meta-Analysis

Dmitriy Viderman et al. J Clin Med. .

Abstract

Objective: To compare the intravenous and epidural routes of patient-controlled anesthesia in abdominal surgery.

Methods: We searched for randomized clinical trials that compared the intravenous and epidural modes of patient-controlled anesthesia in intra-abdominal surgery in adults. Data analysis was performed in RevMan 5.4. Heterogeneity was measured using I2 statistic. Risk of bias was assessed using the Jadad/Oxford quality scoring system.

Results: Seven studies reporting 529 patients were included into the meta-analysis. For pain at rest, the mean difference with 95% confidence interval (CI) was -0.00 [-0.79, 0.78], p-value 0.99, while for pain on coughing, it was 0.43 [-0.02, 0.88], p-value 0.06, indicating that patient-controlled epidural analgesia (PCEA) was superior. For the sedation score, the mean difference with 95% CI was 0.26 [-0.37, 0.89], p-value 0.42, slightly favoring PCEA. For the length of hospital stay, the mean difference with 95% CI was 1.13 [0.29, 1.98], p-value 0.009, favoring PCEA. For postoperative complications, the risk ratio with 95% CI was 0.8 [0.62, 1.03], p-value 0.08, slightly favoring patient-controlled intravenous analgesia (PCIVA). A significant effect was observed for hypotension, favoring PCIVA.

Conclusions: Patient-controlled intravenous analgesia compared with patient-controlled epidural analgesia was associated with fewer episodes of hypotension. PCEA, on other hand, was associated with a shorter length of hospital stay. Pain control and other side effects did not differ significantly. Only three studies out of seven had an acceptable methodological quality. Thus, these conclusions should be taken with caution.

Keywords: abdominal surgery; epidural analgesia; intravenous analgesia; pain control; patient-controlled analgesia; postoperative pain.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA diagram. Abbreviations: PCIVA, patient-controlled intravenous analgesia; PCEA, patient-controlled epidural analgesia.
Figure 2
Figure 2
Postoperative pain scores at rest (at 24 h) [17,18,19].
Figure 3
Figure 3
Postoperative pain scores on coughing (at 24 h) [19,20,21].
Figure 4
Figure 4
Postoperative sedation score (at 24 h) [17,20].
Figure 5
Figure 5
Postoperative complications [10,17,18,19,21,22].
Figure 6
Figure 6
Length of hospital stay [10,19].
See this image and copyright information in PMC

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