Dataset Information

Transversus abdominis plane block with liposomal bupivacaine compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer: a cost-effectiveness analysis.

ABSTRACT:

Background

To determine the cost-effectiveness of transversus abdominis plane block with liposomal bupivacaine (TAP) compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer.

Methods

A cost-effectiveness analysis using a decision tree structure with a 30.5 day time-horizon was used to calculate incremental cost-effectiveness ratio (ICER) values per quality-adjusted life-year (QALY). Base-case costs, probabilities, and QALY values were identified from recently published all-payer national database studies, 2017 Medicare fee-schedules, randomized trials, institutional case series, or assumed, when published values were not available. One-way, two-way and multiple probabilistic sensitivity analyses were performed.

Results

The TAP strategy dominated the oral opioid-only strategy, with decreased costs and increased effectiveness. Specifically, the TAP strategy saved $235.90 under the base-case assumptions. Threshold analyses demonstrated that if the relative same-day discharge probability was ??12% higher in the TAP group, then TAP was cost-saving over oral opioids-alone. Similarly, TAP was cost-saving whenever the costs saved by same-day discharge compared to admission were ??$1115.22. Cost-effectiveness of the TAP strategy was highly robust of a variety of sensitivity analyses.

Conclusions

TAP with liposomal bupivacaine was robustly cost-effective at conventional willingness-to-pay thresholds. Further, TAP was cost-saving compared to opioids-only when the same-day discharge rate among TAP users was greater than among opioid-only users.

SUBMITTER: Seagle BL

PROVIDER: S-EPMC5567769 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Publications

Transversus abdominis plane block with liposomal bupivacaine compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer: a cost-effectiveness analysis.

Seagle Brandon-Luke L BL Miller Emily S ES Strohl Anna E AE Hoekstra Anna A Shahabi Shohreh S

Gynecologic oncology research and practice 20170822

<h4>Background</h4>To determine the cost-effectiveness of transversus abdominis plane block with liposomal bupivacaine (TAP) compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer.<h4>Methods</h4>A cost-effectiveness analysis using a decision tree structure with a 30.5 day time-horizon was used to calculate incremental cost-effectiveness ratio (ICER) values per quality-adjusted life-year (QALY). Base-case costs, probabilities, and ...[more]

PMID: 28852531

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Project description:BackgroundIn women undergoing cesarean delivery under spinal anesthesia with intrathecal morphine, transversus abdominis plane (TAP) block with bupivacaine hydrochloride (HCl) may not improve postsurgical analgesia. This lack of benefit could be related to the short duration of action of bupivacaine HCl. A retrospective study reported that TAP block with long-acting liposomal bupivacaine (LB) reduced opioid consumption and improved analgesia following cesarean delivery. Therefore, we performed a prospective multicenter, randomized, double-blind trial examining efficacy and safety of TAP block with LB plus bupivacaine HCl versus bupivacaine HCl alone.MethodsWomen (n = 186) with term pregnancies undergoing elective cesarean delivery under spinal anesthesia were randomized (1:1) to TAP block with LB 266 mg plus bupivacaine HCl 50 mg or bupivacaine HCl 50 mg alone. Efficacy was evaluated in a protocol-compliant analysis (PCA) set that was defined a priori. The primary end point was total postsurgical opioid consumption (oral morphine equivalent dosing [MED]) through 72 hours. Pain intensity was measured using a visual analog scale. Adverse events (AEs) after treatment were recorded through day 14.ResultsTotal opioid consumption through 72 hours was reduced with LB plus bupivacaine HCl versus bupivacaine HCl alone (least squares mean [LSM] [standard error (SE)] MED, 15.5 mg [6.67 mg] vs 32.0 mg [6.25 mg]). This corresponded to an LSM treatment difference of -16.5 mg (95% confidence interval [CI], -30.8 to -2.2 mg; P = .012). The area under the curve of imputed pain intensity scores through 72 hours supported noninferiority of LB plus bupivacaine HCl versus bupivacaine HCl alone (LSM [SE], 147.9 [21.13] vs 178.5 [19.78]; LSM treatment difference, -30.6; 95% CI, -75.9 to 14.7), with a prespecified noninferiority margin of 36 (P = .002). In an analysis of all treated patients, including those not meeting criteria for inclusion in the PCA, there was no difference in postsurgical opioid consumption between groups. In the LB plus bupivacaine HCl group, 63.6% of patients experienced an AE after treatment versus 56.2% in the bupivacaine HCl-alone group. Serious AEs after treatment were rare (≈3% in both groups).ConclusionsTAP block using LB plus bupivacaine HCl as part of a multimodal analgesia protocol incorporating intrathecal morphine resulted in reduced opioid consumption after cesarean delivery in the PCA set. Results suggest that with correct TAP block placement and adherence to a multimodal postsurgical analgesic regimen, there is an opioid-reducing benefit of adding LB to bupivacaine TAP blocks after cesarean delivery (ClinicalTrials.gov identifier: NCT03176459).

Project description:BACKGROUND:Pain has a wide spectrum of effects on the body and inadequately controlled postoperative pain may have harmful physiologic and psychological consequences and increase morbidity. In addition, opioid anesthetic agents in high doses can blunt endocrine and metabolic responses following surgery and are associated with side effects including dizziness, nausea, vomiting, constipation, and respiratory depression. OBJECTIVES:The current study aimed to investigate if unilateral ultrasound-guided transverse abdominal plane block (TAP-block) could reduce pain and postoperative use of patient requested analgesics following nephrectomy compared to local injection of the same ropivacaine dose in the surgical wound. PATIENTS AND METHODS:Retrospective chart reviews were performed in 42 consecutive patients who received TAP-block in conjunction with nephrectomy from November 2013 to August 2014 (group A). For comparison, data were used from 40 other nephrectomy patients registered as part of a previous study (group B). In this group the patients had received local ropivacaine injection in the surgical wound. On univariate analyses, the groups were compared by t-test and the Fisher exact test. Multivariate analyses were conducted by multiple linear regression. RESULTS:Mean surgical time was 162 minutes in group A and 92 minutes in group B (P < 0.0001). The means of visual analogue scale (VAS) were 3.05 and 1.55 in A and B groups, respectively (P = 0.001). The means of morphine consumption were 5.2 mg and 5.9 mg in groups A and B, respectively (P = 0.58); while the means of sufentanil use were 9.8 ?g and 6.0 ?g in groups A and B, respectively (P = 0.06). When controlling for age, tumor size and American society of anesthesiologists classification (ASA) score on multivariate analysis, TAP-block was associated with a significant increase in VAS (+1.4 [95% CI, 0.6 - 2.3], P = 0.001) and sufentanil use (+6.2 ?g [95% CI, 2.3 - 10.2], P = 0.003). There was no difference in morphine use on multivariate analysis (P = 0.99). CONCLUSIONS:TAP-block in conjunction with laparoscopic nephrectomy did not reduce pain or opioid consumption. On the contrary, it seemed to prolong surgical time.

Dataset Information

Transversus abdominis plane block with liposomal bupivacaine compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer: a cost-effectiveness analysis.

Background

Methods

Results

Conclusions

Publications

Transversus abdominis plane block with liposomal bupivacaine compared to oral opioids alone for acute postoperative pain after laparoscopic hysterectomy for early endometrial cancer: a cost-effectiveness analysis.

Similar Datasets

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