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Objective: To compare patient-reported outcomes before and after implementation of evidence-based, procedure-specific opioid prescribing guidelines. Background: The opioid epidemic remains a significant public health issue. Many institutions have responded by reducing opioid prescribing after surgery. However, the impact of this on patient-reported outcomes remains poorly understood. Methods: Opioid-naïve adults undergoing 12 elective general surgery procedures at a single institution prospectively completed telephone surveys at median 26 days from discharge. Patients were compared before (March 2017–January 2018) and after (May 2019–November 2019) implementation of evidence-based, procedure-specific opioid prescribing guidelines. Results: A total of 603 preguideline and 138 postguideline patients met inclusion criteria and completed surveys. Overall, 60.5% of preguideline and 92.5% of postguideline prescriptions fell within recommendations (P<0.001), while refill rates were similar (4.5% vs 5.8%, P=0.50). A statistically significant drop in median morphine milligram equivalent prescribed was observed for 9 of 12 procedures (75%). No opioids were prescribed for 16.7% of patients in both cohorts (P=0.98). While 93.3% of preguideline and 87.7% of postguideline patients were very/somewhat satisfied with their pain control, the proportion of patients who were very/somewhat dissatisfied increased from 4.2% to 9.4% (P=0.039). Conclusions: Prescribing guidelines successfully reduced opioid prescribing without increased refill rates. Despite decreased prescribing overall, there was a continued reluctance to prescribe no opioids after surgery. Although most patients experienced good pain control, there remains a subset of patients whose pain is not optimally managed in the era of reduced opioid prescribing.

e24016 Background: Recent studies of patients (pts) with gastrointestinal stromal tumor (GIST) have included an older patient population. The majority of these have focused on treatment, but little is known regarding the optimal duration of surveillance following surgery for localized disease. Methods: We conducted a retrospective study of pts age 70 years (yrs) and above (≥) at diagnosis (dx), who underwent surgery for their localized GIST. Charts were reviewed of GIST diagnosed between 1992 to 2016, to allow at least 5 yrs for surveillance, if performed. Demographics were analyzed and pts were risk stratified using modified NIH criteria. Results: We identified 42 pts with a median age of 74 yrs (70 to 89 yrs) at dx. The majority of pts were male (31, 74%) and non-Hispanic White (37, 88%). Most pts had gastric GIST (25, 60%). The median resected tumor was 47 mm (range 6 to 190). Thirty-nine of 42 pts had margin status documented R0 resection. The median overall survival for all pts was 7.9 yrs (1.1 to 17.7), with median recurrence free survival 5.6 yrs (1.1 to 13.7). Only 4 of 16 (25%) pts died from GIST recurrence, and all were detected under 5 yrs from surgery. Fourteen of 34 pts (41%) who survived over 5 yrs from resection had extended surveillance imaging. Demographics and risk stratification are shown in Table. None of the 16 low risk pts developed recurrence, including 6 (38%) whose surveillance imaging continued beyond 5 yrs. Among 7 intermediate risk pts, only 1 pt (14%) extended surveillance imaging beyond 5 yrs. Two intermediate risk pts (29%) developed recurrence and were symptomatic at dx. One intermediate risk pt died from GIST metastasis within 1 yr from surgery. Seven of 19 (37%) high risk pts had surveillance imaging beyond 5 yrs following surgical resection. Seven high risk pts (37%) developed recurrence within median 5.6 yrs (1.6 to 13.7) from surgery; five of these were detected on imaging. In the high risk pts with recurrence, 5 had received adjuvant imatinib and 2 declined any systemic therapy. Three pts (16%) in the high risk cohort died from GIST. Conclusions: In this cohort of pts age ≥ 70 yrs with resected GIST, the majority of pts were symptomatic at relapse. Older pts who undergo surgery for low risk GIST may not require extended surveillance. Fit, older pts with high risk GIST may benefit from extended surveillance imaging, even if they received adjuvant imatinib.[Table: see text]

AbstractIntroductionAlthough surgical resection is necessary, it is not sufficient for long‐term survival in pancreatic ductal adenocarcinoma (PDAC). We sought to evaluate survival after up‐front surgery (UFS) in anatomically resectable PDAC in the context of three critical factors: (A) margin status; (B) CA19‐9; and (C) receipt of adjuvant chemotherapy.MethodsThe National Cancer Data Base (2010–2015) was reviewed for clinically resectable (stage 0/I/II) PDAC patients. Surgical margins, pre‐operative CA19‐9, and receipt of adjuvant chemotherapy were evaluated. Patient overall survival was stratified based on these factors and their respective combinations. Outcomes after UFS were compared to equivalently staged patients after neoadjuvant chemotherapy on an intention‐to‐treat (ITT) basis.ResultsTwelve thousand and eighty‐nine patients were included (n = 9197 UFS, n = 2892 ITT neoadjuvant). In the UFS cohort, only 20.4% had all three factors (median OS = 31.2 months). Nearly 1/3rd (32.7%) of UFS patients had none or only one factor with concomitant worst survival (median OS = 14.7 months). Survival after UFS decreased with each failing factor (two factors: 23 months, one factor: 15.5 months, no factors: 7.9 months) and this persisted after adjustment. Overall survival was superior in the ITT‐neoadjuvant cohort (27.9 vs. 22 months) to UFS.ConclusionDespite the perceived benefit of UFS, only 1‐in‐5 UFS patients actually realize maximal survival when known factors highly associated with outcomes are assessed. Patients are proportionally more likely to do worst, rather than best after UFS treatment. Similarly staged patients undergoing ITT‐neoadjuvant therapy achieve survival superior to the majority of UFS patients. Patients and providers should be aware of the false perception of ‘optimal’ survival benefit with UFS in anatomically resectable PDAC.

Symptomatic rib nonunions are a rare complication after rib fractures. Methods used to address these nonunions range from pain management, rib resection, and rib fixation with plates and occasional autologous bone grafting. Given potential complications associated with rib resections such as pulmonary hernia, we hypothesized that plate fixation and autologous bone grafting would yield satisfactory long-term outcomes and a high union rate. Patients (aged ≥18 years) at a single institution with a symptomatic rib nonunion who underwent surgical rib stabilization of the nonunion coupled with bone autograft were evaluated (2010–2014). Pertinent clinical, operative, radiologic, and follow-up data were abstracted. Univariate analyses to assess the relationship of clinical outcomes were performed. Six patients underwent nonunion repair with autograft and plating. The mean time from injury to surgical repair of nonunion was 15 (66.1) months. A median of 3 [1–3] ribs were repaired with surgery. Postoperative radiographic union was demonstrated on cross-sectional imaging at three months in four patients (57%) and in all patients at five months postoperatively. No patients developed postoperative pulmonary hernia during follow-up. All patients had a significant reduction in median patient-reported pain at follow-up. Surgical rib fixation and bone autograft can provide acceptable outcomes for patients with rib fracture nonunion. This method provides pain relief and promotes healing of the nonunion gap without pulmonary hernia development. Operative fixation and bone autograft should be considered as a viable technical alternative to resection alone for rib nonunion.

Background National Comprehensive Cancer Network (NCCN) guidelines recommend accurate clinical staging, perioperative therapy, and complete lymphadenectomy for patients with stage II to III gastric cancer. However, national compliance remains low. It was hypothesized that integrated cancer networks might improve compliance and outcomes within the community. Methods Patients with stage II to III gastric adenocarcinoma undergoing curative‐intent resection (National Cancer Data Base, 2006‐2015) were examined. Guideline compliance was defined as any perioperative adjunctive therapy, complete lymphadenectomy, complete clinical staging, and complete compliance (all measures). Univariate comparisons and multivariable regression were used to assess factors associated with compliance, and Kaplan‐Meier analysis was used to assess survival. Results There were 27,210 patients identified: 7235 (26.6%) underwent surgery alone, whereas 19,975 (73.4%) received additional therapy. Half (53.1%) had complete lymphadenectomies, whereas complete clinical staging was available for 65.5%. Overall compliance with all 3 measures was 30.1%. Compliance improved by approximately 20% for each measure across the 10‐year study period. Although patients treated at academic programs were most likely to receive concordant care in an adjusted analysis, those treated at integrated care networks were more likely to receive guideline‐concordant care (odds ratio [OR], 0.69) than those treated at comprehensive community programs (OR, 0.48) or community programs (OR, 0.45; all P values <.001). The median overall survival was 45.5 months for patients who received guideline‐concordant care and 32.0 months for those who did not ( P < .001, reference for all ORs: academic programs). Conclusions Compliance with guidelines was associated with improved outcomes. Although the rate of compliance with NCCN guidelines is improving, integrated care networks may be an important way of improving the quality of gastric cancer care within the community.

AbstractBackgroundWith the opioid epidemic in the United States, evaluating opioid prescribing patterns is essential. We evaluated opioids prescribed at discharge following breast surgery and their association with patient factors and pain scores.MethodsWe retrospectively identified adult patients who underwent a mastectomy for cancer at Mayo Clinic sites from January 2010 to December 2016. Pain scores and prescription data were compared across operations and patient factors by univariate and multivariable analyses.ResultsOf 4021 patients, 3782 (94.1%) received an opioid prescription. Median oral milligram morphine equivalents (MME) were similar across all site‐specific procedure groups (medians ranging from 225 to 375) while pain scores ranged from 1 to 4. Patients undergoing bilateral mastectomy (BM) and immediate breast reconstruction (IBR) reported the greatest pain scores. Pain scores did not vary with age or diagnosis for patients undergoing unilateral mastectomy or BM with lymph node surgery and IBR procedures.On multivariable analysis, variables associated with a MME discharge prescription >Q4 values included age, body mass index, site, year, inpatient status, and pain before discharge >3.ConclusionPatient‐reported pain following breast surgery varied by procedure, while MMEs prescribed remained similar. This suggests current opioid prescribing does not reflect intensity of pain and requires further research to optimize discharge opioid prescribing practices.

Objective: The aim of this study was to conduct a prospective, multicenter survey of patients regarding postoperative opioid use to inform development of standardized, evidence-based, procedure-specific opioid prescribing guidelines. Summary of Background Data: Previous work has shown significant variation in the amount of opioids prescribed after elective procedures, calling for optimization of prescribing. Methods: Adults (n = 3412) undergoing 25 elective procedures were identified prospectively from 3 academic centers (March 2017 to January 2018) to complete a 29-question telephone interview survey 21 to 35 days post-discharge (n = 688 not contacted, n = 107 refused). Discharge opioids were converted into Morphine Milligram Equivalents (MMEs). Results: Of the 2486 patients who completed the survey, 91.2% received opioids at discharge [median 225 (interquartile range, IQR 125 to 381) MME]. A median of 43 (0 to 184) MMEs were consumed after discharge with 77.3% of patients having leftover opioids at the time of the survey. In total, 61.5% of prescribed opioids were unused; 31.4% of patients used no opioids, and 52.6% required <50 MME. Overall, 90.6% of patients were satisfied with their postdischarge pain control. While 28.3% reported being prescribed too many opioids, 9.0% felt they were not prescribed enough. Only 9.6% of patients disposed of remaining opioids. Of the 2068 opioid-naive respondents (83.2%), 33.6% consumed no opioids (range 5.2% to 80.0% by procedure) and 57.0% (65.7% nonorthopedic) consumed <50 MME. Utilization data and predictors of low/high opioid consumption informed development of postoperative prescribing guidelines. Conclusion: A large proportion of postoperative patients reported using no or few opioids following discharge. Guidelines were developed to minimize opioid prescribing and identify patients requiring low doses or additional multimodal pain control.

Background and ObjectivesStaging laparoscopy is recommended before preoperative therapy in patients with locoregional gastric cancer, but yield of repeated diagnostic laparoscopy at the time of resection is unknown.MethodsRetrospective review of a prospective database of patients with gastric adenocarcinoma (1994‐2016) who had negative staging laparoscopy followed by preoperative therapy and subsequent attempted resection. Primary outcome was positive exploration (peritoneal or unresectable disease) at the time of resection. Multivariable logistic regression identified factors associated with positive exploration.ResultsOf the 451 patients with attempted resection, 54 (12.0%) had positive explorations, including 48 with peritoneal disease. Patients with positive explorations were more likely to be female and have poorly differentiated tumors, linitis features, and signet‐ring morphology. There was no significant difference by exploration results in age, race, clinical stage, or delayed definitive surgery. Positive explorations were independently associated with poor differentiation (OR 4.6, 95%CI 1.4‐15.3; P = 0.01) and linitis (OR 4.2, 95%CI 1.9‐9.2; P < 0.001). Positive explorations were seen in 14.0% of patients with poor differentiation, 36.6% of patients with linitis, and 5.8% of patients with neither linitis nor poor differentiation.ConclusionDespite negative pretreatment laparoscopy, post‐treatment repeat laparoscopy may prevent non‐therapeutic laparotomies. At a minimum, we recommend selective repeat laparoscopy for patients with linitis features.