Transversus Abdominis Plane Blocks in Microsurgical Breast Reconstruction: Analysis of Pain, Narcotic Consumption, Length of Stay, and Cost

The Cost-effectiveness of Enhanced Recovery after Surgery Protocols in Abdominally Based Autologous Breast Reconstruction

Background

The purpose of this study was to conduct a systematic review on the cost-effectiveness of enhanced recovery after surgery (ERAS) protocols in abdominally based autologous breast reconstruction. Further, we reviewed the use of liposomal bupivacaine transversus abdominis plane (TAP) blocks in abdominal autologous reconstruction.

Methods

PubMed, Embase, Cochrane, and Scopus were used for literature review, and PRISMA guidelines were followed. Included articles had full-text available, included cost data, and involved use of TAP block. Reviews, case reports, or comparisons between immediate and delayed breast reconstruction were excluded. Included articles were reviewed for data highlighting treatment cost and associated length of stay (LOS). Cost and LOS were further stratified by treatment group (ERAS versus non-ERAS) and method of postoperative pain control (TAP versus non-TAP). Incremental cost-effectiveness ratio (ICER) was used to compare the impact of the above treatments on cost and LOS.

Results

Of the 381 initial articles, 11 were included. These contained 919 patients, of whom 421 participated in an ERAS pathway. The average ICER for ERAS pathways was $1664.45 per day (range, $952.70-$2860). Average LOS of ERAS pathways was 3.12 days versus 4.57 days for non-ERAS pathways. The average ICER of TAP blocks was $909.19 (range, $89.64-$1728.73) with an average LOS of 3.70 days for TAP blocks versus 4.09 days in controls.

Conclusions

The use of ERAS pathways and postoperative pain control with liposomal bupivacaine TAP block during breast reconstruction is cost-effective. These interventions should be included in comprehensive perioperative plans aimed at positive outcomes with reduced costs.

Randomized Controlled Trial Comparing Liposomal to Plain Bupivacaine in the Transversus Abdominis Plane for DIEP Flap Breast Reconstruction

BACKGROUND

Pain control after autologous breast reconstruction is important for patient satisfaction and early recovery. Transversus abdominis plane (TAP) blocks are commonly used as part of an enhanced recovery after surgery (ERAS) pathway for breast reconstruction. It is uncertain whether liposomal bupivacaine used in TAP blocks offers additional advantages. This study aimed to compare the efficacy of liposomal bupivacaine versus plain bupivacaine for patients undergoing deep inferior epigastric perforator flap reconstruction.

METHODS

This double-blinded randomized controlled trial studied patients undergoing abdominally based autologous breast reconstruction between June of 2019 and August of 2020. Subjects were randomly assigned liposomal or plain bupivacaine, performed using ultrasound-guided TAP block technique. All patients were managed according to an ERAS protocol. Primary outcomes were postoperative narcotic analgesia required, measured in oral morphine equivalents from postoperative days 1 to 7. Secondary outcomes included numeric pain scale score on postoperative days 1 to 7, nonnarcotic pain medication use, time to first narcotic use, return of bowel function, and length of stay.

RESULTS

Sixty patients were enrolled: 30 received liposomal bupivacaine and 30 received plain bupivacaine. There were no significant differences in demographics, daily oral morphine equivalent narcotic use, nonnarcotic pain medication use, time to narcotic use, numeric pain scale score, time to bowel function, or length of stay.

CONCLUSION

Liposomal bupivacaine does not confer advantages over plain bupivacaine when used in TAP blocks for abdominally based microvascular breast reconstruction in patients under ERAS protocols and multimodal approaches for pain control.

CLINICAL QUESTION/LEVEL OF EVIDENCE

Therapeutic, I.

Ultrasound-Guided Transversus Abdominis Plane Blocks Versus Local Infiltration Anesthesia on Postanesthesia Care Unit Pain Control in Patients Undergoing Abdominoplasty

GOALS/PURPOSE

The goal of this study was to compare ultrasound-guided transversus abdominis plane (TAP) blocks to local infiltration anesthesia with or without blind rectus sheath blocks in patients who underwent abdominoplasty at an outpatient surgery center.

METHODS/TECHNIQUE

A retrospective review was conducted of patients who underwent outpatient abdominoplasty performed by the senior surgeon (J.T.L.). Group 1 received local infiltration anesthesia with or without blind rectus sheath blocks between April 2009 and December 2013. Group 2 received surgeon-led, intraoperative, ultrasound-guided, 4-quadrant TAP blocks between January 2014 and December 2021. Outcomes measured were opioid utilization (morphine milligram equivalents), pain level at discharge, and time spent in postanesthesia care unit (PACU).

RESULTS

Sixty patients in each of the 2 study groups met the study criteria for a total of 120 patients. The study groups were similar except for a lower average age in group 1. Patients who received TAP blocks (group 2) had significantly lower morphine milligram equivalent requirements in the PACU (3.07 vs 8.93, P = 0.0001) and required a shorter stay in PACU (95.4 vs 117.18 minutes, P = 0.0001). There were no significant differences in pain level at discharge.

CONCLUSIONS

Surgeon-led, intraoperative, ultrasound-guided, 4-quadrant TAP blocks statistically significantly reduced opioid utilization in PACU by 65.6% and average patient time in the PACU by 18.5% (21.8 minutes).

Nerve Blocks in Breast Plastic Surgery: Outcomes, Complications, and Comparative Efficacy

BACKGROUND

As plastic surgeons continue to evaluate the utility of nonopioid analgesic alternatives, nerve block use in breast plastic surgery remains limited and unstandardized, with no syntheses of the available evidence to guide consensus on optimal approach.

METHODS

A systematic review was performed to evaluate the role of pectoralis nerve blocks, paravertebral nerve blocks, transversus abdominus plane blocks, and intercostal nerve blocks in flap-based breast reconstruction, prosthetic-based reconstruction, and aesthetic breast plastic surgery, independently.

RESULTS

Thirty-one articles reporting on a total of 2820 patients were included in the final analysis; 1500 patients (53 percent) received nerve blocks, and 1320 (47 percent) served as controls. Outcomes and complications were stratified according to procedures performed, blocks employed, techniques of administration, and anesthetic agents used. Overall, statistically significant reductions in opioid consumption were reported in 91 percent of studies evaluated, postoperative pain in 68 percent, postanesthesia care unit stay in 67 percent, postoperative nausea and vomiting in 53 percent, and duration of hospitalization in 50 percent. Nerve blocks did not significantly alter surgery and/or anesthesia time in 83 percent of studies assessed, whereas the overall, pooled complication rate was 1.6 percent.

CONCLUSIONS

Transversus abdominus plane blocks provided excellent outcomes in autologous breast reconstruction, whereas both paravertebral nerve blocks and pectoralis nerve blocks demonstrated notable efficacy and versatility in an array of reconstructive and aesthetic procedures. Ultrasound guidance may minimize block-related complications, whereas the efficacy of adjunctive postoperative infusions was proven to be limited. As newer anesthetic agents and adjuvants continue to emerge, nerve blocks are set to represent essential components of the multimodal analgesic approach in breast plastic surgery.

The Role of Maximal Locoregional Block in Autologous Breast Reconstruction

BACKGROUND

Enhanced Recovery After Surgery (ERAS) has become the standard of care in microsurgical breast reconstruction. The current literature provides overwhelming evidence of the benefit of ERAS pathways in improving quality of recovery, decreasing length of hospital stay, and minimizing the amount of postoperative narcotic use in these patients. However, there are limited data on the role of using maximal locoregional anesthetic blocks targeting both the abdomen and chest as an integral part of an ERAS protocol in abdominally based autologous breast reconstruction. The aim of this study is to compare the outcomes of implementing a comprehensive ERAS protocol with and without maximal locoregional nerve blocks to determine any added benefit of these blocks to the standard ERAS pathway.

METHODS

Forty consecutive patients who underwent abdominally based autologous breast reconstruction in the period between July 2017 and February 2020 were included in this retrospective institutional review board-approved study. The goal was to compare patients who received combined abdominal and thoracic wall locoregional blocks as part of their ERAS pathway (study group) with those who had only transversus abdominis plane blocks. The primary end points were total hospital length of stay, overall opioids consumption, and overall postoperative complications.

RESULTS

The use of supplemental thoracic wall block resulted in a shorter hospital length of stay in the study group of 3.2 days compared with 4.2 days for the control group (P < 0.01). Postoperative total morphine equivalent consumption was lower at 38 mg in the study group compared with 51 mg in the control group (P < 0.01). Complications occurred in 6 cases (15%) in the control group versus one minor complication in the thoracic block group. There was no difference between the 2 groups in demographics, comorbidities, and type of reconstruction.

CONCLUSION

The maximal locoregional nerve block including a complete chest wall block confers added benefits to the standard ERAS protocol in microvascular breast reconstruction.

Applications of Ultrasound in the Postoperative Period: A Review

Background Recent advances in ultrasound technology have further increased its potential for routine use by plastic and reconstructive surgeons.

Methods An extensive literature review was performed to determine the most common applications of ultrasound in the postoperative care of plastic and reconstructive surgery patients.

Results In contrast with other available imaging modalities, ultrasound is cost-effective, rapid to obtain, eliminates the need for ionizing radiation or intravenous contrast, and has virtually no contraindications. In addition to its diagnostic capabilities, ultrasound can also be used to facilitate treatment of common postoperative concerns conveniently at the bedside or in an office setting.

Conclusion This article presents a review of the current applications of ultrasound imaging in the postoperative care of plastic and reconstructive surgery patients, including free flap monitoring following microsurgery, diagnosis and treatment of hematoma and seroma, including those associated with BIA-ALCL, and breast implant surveillance.

Liposomal Bupivacaine Versus Immediate-Release Bupivacaine for Postoperative Pain Control

BACKGROUND

Liposomal bupivacaine (LB) is increasingly being used for postoperative pain control, but there are conflicting efficacy data when compared with immediate-release bupivacaine (IRB).

OBJECTIVE

To evaluate the comparative efficacies of LB and IRB for postoperative pain control in order to assess the formulary status of LB at our institution.

METHODS

A single-center, retrospective, institutional review board-approved, noninferiority matched cohort study at a tertiary care academic medical center. Adult surgical patients admitted for >24 hours who received LB or IRB were included. The primary outcome was total opioid consumption within 24 hours postoperatively. Secondary outcomes included total opioid consumption within 72 hours postoperatively, nonopioid analgesic use within 24 and 72 hours postoperatively, time to rescue analgesic use, and postoperative length of stay (LOS).

RESULTS

A total of 326 patients were included in the matched cohort. Median 24-hour opioid consumption was significantly lower in the IRB group compared with the LB group (81 mg [30, 153] vs 103 mg [46, 241]; P = 0.01). Patients receiving IRB compared with LB also had a decrease in total opioid consumption 72 hours postoperatively (110 mg [45, 258] vs 165 mg [68, 402]; P = 0.005) and shorter postoperative LOS (2.8 days [1.7, 4] vs 3.3 days [2, 5.1]; P < 0.001). There was no difference in time to rescue analgesic use.

CONCLUSION AND RELEVANCE

Across a variety of surgical procedures, administration of IRB compared with LB was associated with a reduction in total opioid consumption within 24 and 72 hours postoperatively and shorter LOS in adult surgical patients.

Are US Plastic Surgery Residents Equipped to Face the Opioid Epidemic? A National Survey

The United States opioid epidemic is among this century’s most profound threats to public health and demands that all physicians consider their role in reversing its trajectory. Previous literature demonstrated that plastic surgery trainees lack vital practices that promote opioid stewardship. However, it is not understood why this practice gap exists. This is a national survey-based study evaluating the availability and effectiveness of opioid education in US plastic surgery programs. A total of 91 residents completed the survey. Our study found that there is an unmet need for practical and comprehensive training regarding safe opioid prescribing among plastic surgery trainees. “Informal training,” defined as the “learn as you go” method, was found to be more common than formal training and considerably more valuable according to trainees. Trainees cited real-world applicability of informal training and that it comes from teachers whom they know and trust as valuable attributes of this type of education. Furthermore, the severity of the opioid epidemic has not translated into improved trainee education, as there was no significant difference in knowledge on safe opioid prescribing practices between junior and senior residents. To change the course of the epidemic, plastic surgery programs need to better train younger generations who believe they are critical stakeholders. This study lays the framework for the “formalization of informal training,” and the creation of practical and efficacious educational initiatives.

Factors influencing postoperative abdominal pain in DIEP flap breast reconstruction

Background

Identification of a subgroup of patients with severe postoperative pain is important for adequate pain management for enhanced, fast recovery after deep inferior epigastric artery perforator (DIEP) flap breast reconstruction. The purpose of this study was to identify factors influencing postoperative abdominal pain in patients undergoing DIEP flap breast reconstruction.

Methods

Consecutive patients who underwent unilateral breast reconstruction using DIEP free flaps from October 2018 to July 2020 were included in this study. Visual analog scale (VAS)-guided postoperative pain scores were documented every 3 hours until 48 hours postoperatively. Factors affecting patient-reported pain scores were analyzed using a linear mixed-effects model. Independent variables included patient characteristics, history of previous open abdominal surgery, and operative factors including the flap size, flap weight, use of a unipedicled or bipedicled flap, number of perforators, timing of reconstruction, and use of a catheter-based subcutaneous plane block in the abdomen. A catheter was placed above the rectus fascia during closure, and analgesics were continuously infused during the 48 hours using an ON-Q Pain Relief System (I-Flow Co., Lake Forest, CA, USA).

Results

Fifty-five patients were included in the analysis. In the linear mixed effect model using multiple clinical variables, the harvested flap weight was significantly associated with the degree of pain (β coefficient =0.157, P=0.008). The pain degrees significantly decreased according to postoperative days (β coefficient =-0.649, P<0.001). The flap type (unipedicle or bipedicle), number of perforators, timing of reconstruction, and history of previous abdominal surgery did not influence pain degrees. The use of subcutaneous plane block did not affect the degree of pain or dose of analgesics used.

Conclusions

A larger flap weight is associated with an increased degree of pain in patients undergoing DIEP flap breast reconstructions. Vigorous pain management might be necessary when a large flap is elevated.

Post-Breast Surgery Pain Syndrome: Shifting a Surgical Paradigm

Post-mastectomy pain syndrome and the less well-described post-breast surgery pain syndrome are long-term neuropathic pain conditions that may affect more than 50% of patients after mastectomy and breast surgery. While the etiology, risk factors, and management have been reviewed in our literature, we offer here a focused outline that will gear the plastic surgeon with tools to lead a multidisciplinary, algorithmic approach to the care of patients with post-mastectomy pain syndrome/post-breast surgery pain syndrome. After reading this article, we hope the reader will have improved awareness of post-mastectomy pain syndrome/post-breast surgery pain syndrome, and thus be able to incorporate appropriate treatments and preventative steps into their primary surgical routine.

Enhanced Recovery After Surgery Protocol With Ultrasound-Guided Regional Blocks in Outpatient Plastic Surgery Patients Leads to Decreased Opioid Prescriptions and Consumption

BACKGROUND

Opioids are a mainstay of pain management. To limit the use of opioids, enhanced recovery after surgery (ERAS) protocols implement multimodal approaches to treat postoperative pain.

OBJECTIVES

The aim of this paper was to be the first to assess the efficacy of an ERAS protocol for plastic surgery outpatients that includes ultrasound-guided, surgeon-led regional blocks.

METHODS

A retrospective review of patients undergoing outpatient plastic surgery on an ERAS protocol was performed. These patients were compared to a well-matched group not on an ERAS protocol (pre-ERAS). Endpoints included the amounts of opioid, antinausea, and antispasmodic medication prescribed. ERAS patients were given a postoperative questionnaire to assess both pain levels (0-10) and opioid consumption. ERAS patients anticipated to have higher levels of pain received ultrasound-guided anesthetic blocks.

RESULTS

There were 157 patients in the pre-ERAS group and 202 patients in the ERAS group. Patients in the pre-ERAS group were prescribed more opioid (332.3 vs 100.3 morphine milligram equivalents (MME)/patient; P < 0.001), antinausea (664 vs 16.3 mg of promethazine/patient; P < 0.001), and antispasmodic (401.3 vs 31.2 mg of cyclobenzaprine/patient; P < 0.001) medication. Patients on the ERAS protocol consumed an average total of 22.7 MME/patient postoperatively. Average pain scores in this group peaked at 5.32 on postoperative day 1 and then decreased significantly daily.

CONCLUSIONS

Implementation of an ERAS protocol for plastic surgery outpatients with utilization of ultrasound-guided regional anesthetic blocks is feasible and efficacious. The ability to significantly decrease prescribed opioids in this unique patient population is noteworthy.

LEVEL OF EVIDENCE: 4

Perioperative Inpatient Opioid Consumption Following Autologous Free-Flap Breast Reconstruction Patients: An Examination of Risk and Patient-Reported Outcomes

BACKGROUND

The response to the unprecedented opioid crisis in the US has increased focus on multimodal pain regimens and enhanced recovery after surgery (ERAS) pathways to reduce opioid use. This study aimed to define patient and system-level factors related to perioperative consumption of opioids in autologous free-flap breast reconstruction.

METHODS

We conducted a retrospective study to identify patients who underwent autologous breast reconstruction between 2010 and 2016. A multivariate linear regression model was developed to assess patient and system-level factors influencing opioid consumption. Opioid consumption was then dichotomized as total postoperative opioid consumption above (high) and below (low) the 50th percentile to afford more in-depth interpretation of the regression analysis. Secondary outcome analyses examined postoperative complications and health-related quality-of-life outcomes using the BREAST-Q.

RESULTS

Overall, 601 patients were included in the analysis. Unilateral reconstruction, lower body mass index, older age, and administration of ketorolac and liposomal bupivacaine were associated with lower postoperative opioid consumption. In contrast, history of psychiatric diagnoses was associated with higher postoperative opioid consumption. There was no difference in the rates of postoperative complications when comparing the groups, although patients who had lower postoperative opioid consumption had higher BREAST-Q physical well-being scores.

CONCLUSION

System-level components of ERAS pathways may reduce opioid use following autologous breast reconstruction, but surgical and patient factors may increase opioid requirements in certain patients. ERAS programs including liposomal bupivacaine and ketorolac should be established on a system level in conjunction with continued focus on individualized care, particularly for patients at risk for high opioid consumption.

A Systematic Review and Meta-Analysis of Microvascular Stacked and Conjoined-Flap Breast Reconstruction

BACKGROUND

 Stacked and conjoined (SC) flaps are a useful means of increasing flap volume in autologous breast reconstruction. The majority of studies, however, have been limited to smaller, single-center series.

METHODS

 A systematic literature review was performed to identify outcomes-based studies on microvascular SC-flap breast reconstruction. Pooled rates of flap and operative characteristics were analyzed. Meta-analytic effect size estimates were calculated for reconstructive complication rates and outcomes of studies comparing SC flaps to non-SC flaps. Meta-regression analysis identified risk factors for flap complications.

RESULTS

 Twenty-six studies were included for analysis (21 case series, five retrospective cohort studies) for a total of 869 patients, 1,003 breasts, and 2006 flaps. The majority of flaps were harvested from the bilateral abdomen (78%, 782 breasts) followed by combined abdomen-thigh stacked flaps (22.2%, 128 breasts). About 51.1% of flaps were anastomosed to anterograde/retrograde internal mammary vessels (230 breasts) and 41.8% used internal mammary/intraflap anastomoses (188 breasts). Meta-analysis revealed a rate of any flap complication of 2.3% (95% confidence interval: 1.4-3.3%), Q-statistic value p = 0.012 (I ² = 43.3%). SC flaps had a decreased risk of fat necrosis compared with non-SC flaps (odds ratio = 0.126, p < 0.0001, I ² = 0.00%), though rates of any flap and donor-site complication were similar. Age, body mass index, flap weight, and flap donor site and recipient vessels were not associated with increased risk of any flap complication.

CONCLUSION

 A global appraisal of the current evidence demonstrated the safety of SC-flap breast reconstruction with low complication rates, regardless of donor site, and lower rates of fat necrosis compared with non-SC flaps.

Practical Review of Abdominal and Breast Regional Analgesia for Plastic Surgeons: Evidence and Techniques

Regional analgesia has been increasing in popularity due to its opioid- sparing analgesic effects and utility in multimodal analgesia strategies. Several regional techniques have been used in plastic surgery; however, there is a lack of consensus on the indications and the comparative efficacy of these blocks. The goal of this review is to provide evidence-based recommendations on the most relevant types of interfascial plane blocks for abdominal and breast surgery. A systematic search of the PUBMED, EMBASE, and Cochrane databases was performed to identify the evidence associated with the different interfascial plane blocks used in plastic surgery. The search included all studies from inception to March 2020. A total of 126 studies were included and used in the synthesis of the information presented in this review. There is strong evidence for using the transversus abdominis plane blocks in both abdominoplasties as well as abdominally-based microvascular breast reconstruction as evidenced by a significant reduction in post-operative pain and opioid consumption. Pectoralis (I and II), serratus anterior, and erector spinae plane blocks all provide good pain control in breast surgeries. Finally, the serratus anterior plane block can be used as primary block or an adjunct to the pectoralis blocks for a wider analgesia coverage of the breast. All the reviewed blocks are safe and easy to administer. Interfascial plane blocks are effective and safe modalities used to reduce pain and opioid consumption after abdominal and breast plastic surgery.

Comparative Effectiveness of Transversus Abdominis Plane Blocks in Abdominally Based Autologous Breast Reconstruction: A Systematic Review and Meta-analysis

BACKGROUND

The abdomen is the most common donor site in autologous microvascular free flap breast reconstruction and contributes significantly to postoperative pain, resulting in increased opioid use, length of stay, and hospital costs. Enhanced Recovery After Surgery (ERAS) protocols have demonstrated multiple clinical benefits, but these protocols are widely heterogeneous. Transversus abdominis plane (TAP) blocks have been reported to improve pain control and may be a key driver of the benefits seen with ERAS pathways.

METHODS

A systematic review and meta-analysis of studies reporting TAP blocks for abdominally based breast reconstruction were performed. Studies were extracted from 6 public databases before February 2019 and pooled in accordance with the PROSPERO registry. Total opioid use, postoperative pain, length of stay, hospital cost, and complications were analyzed using a random effects model.

RESULTS

The initial search yielded 420 studies, ultimately narrowed to 12 studies representing 1107 total patients. Total hospital length of stay (mean difference, -1.00 days; P < 0.00001; I = 81%) and opioid requirement (mean difference, -133.80 mg of oral morphine equivalent; P < 0.00001; I = 97%) were decreased for patients receiving TAP blocks. Transversus abdominis plane blocks were not associated with any significant differences in postoperative complications (P = 0.66), hospital cost (P = 0.22), and postoperative pain (P = 0.86).

CONCLUSIONS

Optimizing postoperative pain management after abdominally based microsurgical breast reconstruction is invaluable for patient recovery. Transversus abdominis plane blocks are associated with a reduction in length of stay and opioid use, representing a safe and reasonable strategy for decreasing postoperative pain.

Basics and Best Practices of Multimodal Pain Management for the Plastic Surgeon

Pain management is a central focus for the plastic surgeon’s perioperative planning, and it no longer represents a postoperative afterthought. Protocols that rely on opioid-only pain therapy are outdated and discouraged, as they do not achieve optimal pain relief, increase postoperative morbidity, and contribute to the growing opioid epidemic. A multimodal approach to pain management using non-opioid analgesic techniques is an integral component of enhanced recovery after surgery protocols. Careful perioperative planning for optimal pain management must be achieved in multidisciplinary collaboration with the perioperative care team including anesthesiology. This allows pain management interventions to occur at 3 critical opportunities—preoperative, intraoperative, and postoperative settings.

The Effect of Enhanced Recovery after Surgery Pathway Implementation on Abdominal-Based Microvascular Breast Reconstruction

BACKGROUND

Although Enhanced Recovery after Surgery (ERAS) pathways are becoming the standard of care in microvascular breast reconstruction, evidence supporting their use is limited or based on small sample sizes. We hypothesized that improvements in postoperative outcomes would persist when examining the largest cohort of patients undergoing abdominal-based microvascular breast reconstruction, to date.

MATERIALS AND METHODS

Data were retrospectively reviewed for 276 consecutive patients who underwent abdominal-based free flap breast reconstruction before and after ERAS implementation (pre-ERAS, n = 138 patients; post-ERAS, n = 138 patients). Primary outcomes were postoperative opioid use measured in oral morphine equivalents (OMEs), median hospital length of stay (LOS) in days, and incidence of postoperative complications.

RESULTS

Postoperative opioid requirements were significantly lower in the post-ERAS cohort compared with the pre-ERAS cohort (57.3 OME, [interquartile range 20.0-115.5] versus 297.3 OME [interquartile range 138.6-437.7], P < 0.0001). There was no significant difference in hospital LOS when controlling for variables that differed between the groups. In addition, there were no differences in the rate of postoperative complications, return to operating room, or readmission after ERAS pathway implementation.

CONCLUSIONS

ERAS improves specific aspects of recovery for patients undergoing microvascular breast reconstruction, most notably postoperative opioid use. Patient selection and a shift toward less invasive procedures may explain a nonsignificant impact on hospital LOS.

Safe anesthesia for office-based plastic surgery: Proceedings from the PRS Korea 2018 meeting in Seoul, Korea

There has been an exponential increase in plastic surgery cases over the last 20 years, surging from 2.8 million to 17.5 million cases per year. Seventy-two percent of these cases are being performed in the office-based or ambulatory setting. There are certain advantages to performing aesthetic procedures in the office, but several widely publicized fatalities and malpractice claims has put the spotlight on patient safety and the lack of uniform regulation of office-based practices. While 33 states currently have legislation for office-based surgery and anesthesia, 17 states have no mandate to report patient deaths or adverse outcomes. The literature on office-base surgery and anesthesia has demonstrated significant improvements in patient safety over the last 20 years. In the following review of the proceedings from the PRS Korea 2018 meeting, we discuss several key concepts regarding safe anesthesia for officebased cosmetic surgery. These include the safe delivery of oxygen, appropriate local anesthetic usage and the avoidance of local anesthetic toxicity, the implementation of Enhanced Recovery after Surgery protocols, multimodal analgesic techniques with less reliance on narcotic pain medications, the use of surgical safety checklists, and incorporating “the patient” into the surgical decision-making process through decision aids.