The Efficacy of Programmed Intermittent Epidural Bolus for Postoperative Analgesia after Open Gynecological Surgery: A Randomized Double-Blinded Study

<div>Pump settings in the (a) programmed intermittent epidural bolus (PIEB) and (b) continuous epidural infusion (CEI) groups. The first arrows in both figures show the initial bolus. Other arrows in (a) show the intermittent boluses.</div>

BioMed Research International

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Figure 2

Figure 2: The Efficacy of Programmed Intermittent Epidural Bolus for Postoperative Analgesia after Open Gynecological Surgery: A Randomized Double-Blinded Study 

Figure 2 | The Efficacy of Programmed Intermittent Epidural Bolus for Postoperative Analgesia after Open Gynecological Surgery: A Randomized Double-Blinded Study 