Publications by authors named "Mark Lockett"

Purpose: Boswellic acids, active components of frankincense, suppress tumor proliferation in vitro with a strong clinical trial safety profile in patients with inflammatory diseases. We performed a Phase Ia window of opportunity trial of Boswellia serrata (B. serrata) in patients with breast cancer to evaluate its biologic activity and safety.

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Objective: The objective of this study was to evaluate opioid use trajectories among a sample of 10,138 Medicaid patients receiving one of six index surgeries: lumbar spine, total knee arthroplasty, cholecystectomy, appendectomy, colon resection, and tonsillectomy.

Design: Retrospective cohort.

Setting: Administrative claims data.

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Purpose: High-risk breast pathology is a breast cancer risk factor for which timely treatment is crucial. Nurse navigation programs have been implemented to minimize delays in patient care. This study evaluated nurse navigation in terms of timeliness to surgery for patients with high-risk breast pathology.

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Article Synopsis
  • The study conducted a retrospective review of South Carolina Medicaid patients to analyze opioid use patterns following lumbar surgery and identify risk factors for chronic opioid use.
  • Results indicated that patients fell into five distinct groups based on their postoperative opioid consumption, with a significant portion (32.2%) exhibiting sustained high use.
  • Key risk factors for higher opioid use included prior opioid use, younger age, longer hospital stays, and certain comorbid conditions, with 76.4% of patients categorized as chronic opioid users.
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Background: Commercial insurance data show that chronic opioid use in opioid-naive patients occurs in 1.5% to 8% of patients undergoing surgical procedures, but little is known about patients with Medicaid.

Methods: Opioid prescription data and medical coding data from 4,788 Medicaid patients who underwent cholecystectomy were analyzed to determine opioid use patterns.

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Background: The past 5 years have witnessed a concerted national effort to assuage the rising tide of the opioid misuse in our country. Surgical procedures often serve as the initial exposure of children to opioids, however the trajectory of use following these exposures remains unclear. We hypothesized that opioid exposure following appendectomy would increase the risk of persistent opioid use among publicly insured children.

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Background: Surgical quality improvement initiatives may impact sociodemographic groups differentially. The objective of this analysis was to assess the trajectory of surgical morbidity by race and age over time within a Regional Collaborative Quality Initiative.

Study Design: Adults undergoing eligible general surgery procedures in South Carolina Surgical Quality Collaborative hospitals were analyzed for the presence of at least 1 of 22 morbidities between August 2015 and February 2020.

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Purpose: Shave margins have been shown to decrease positive final margins in partial mastectomy. We investigated prognostic factors associated with residual disease in shave margins.

Methods: Patients with invasive breast carcinoma and ductal carcinoma in situ (DCIS) who had circumferential shave margins excised during lumpectomy were abstracted from a retrospective database from 2015 to 2018.

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Objectives: Tonsillectomy (with or without adenoidectomy) is a common pediatric surgical procedure requiring post-operative analgesia. Because of the respiratory depression effects of opioids, clinicians strive to limit the use of these drugs for analgesia post-tonsillectomy. The objective of this study was to identify demographic and medication use patterns predictive of persistent opioid dispensing (as a proxy for opioid use) to pediatric patients post-tonsillectomy.

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Background: Surgical quality improvement efforts are challenging due to the multidisciplinary nature of care, difficulties obtaining reliable data, and variability in quality metrics. The objective of this analysis was to assess whether participation in a regional collaborative quality initiative was associated with decreased in-hospital surgical complication in South Carolina.

Study Design: In-hospital surgical complication rates were determined using a statewide all-payer claims data set.

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Background: Standardized prescribing practices are recommended to decrease opioid abuse, however, data regarding the handling and disposal of leftover narcotics are lacking. This quality improvement project and analysis evaluated implementation of standardized prescribing, opioid education, and a narcotic disposal system.

Methods: This initiative was implemented over a 1-y period among patients who underwent breast surgery.

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Background: Opioid misuse has reached epidemic proportions, and postoperative opioids have been linked to overdose, diversion, and dependency. We recently found our opioid prescribing practices following common pediatric operations to be inconsistent and excessive. In this study, we evaluate the efficacy of an educational intervention on opioid prescriptions following tonsillectomy and hernia repair.

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Identifying disparities in surgical outcomes among patient populations may help hospitals target patients at highest risk for complications. The South Carolina Surgical Quality Collaborative (SCSQC) is a regional collaborative made up of eight facilities whose goal is to improve the quality and value of general surgical care in South Carolina. Using SCSQC data, we reviewed colon surgery outcomes to determine whether disparities exist between specific patient populations.

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Regional surgical quality Collaboratives are improving surgical quality and cutting costs by building regional relationships that leverage information sharing to improve outcomes. The South Carolina Surgical Quality Collaborative (SCSQC) is a new regional surgical quality Collaborative focused on improving general surgery outcomes in South Carolina. It is a joint effort which brings together the skills and resources of Health Sciences South Carolina, the South Carolina Hospital Association, and the Blue Cross Blue Shield of SC Foundation to create a web-based data collection system to provide real-time outcomes data to participating surgeons, and establishing a supportive network for sharing best practices and promoting data driven quality improvement.

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Background: It is well documented that bariatric surgery is an effective weight loss intervention, and bariatric procedure rates have increased over time. However, there was a period of plateau in procedure rates in the mid to late 2000s. Recent literature has not identified current trends in procedure rates or associations between bariatric surgery and population factors, such as obesity and diabetes.

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The spontaneous infarction of a parathyroid adenoma is an uncommon event, although it has been previously described. Patients may present symptomatically or experience resolution of their hyperparathyroidism. As such the appropriate clinical management of these patients remains unclear.

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Since its introduction in 1980 the percutaneous endoscopic gastrostomy (PEG) has become the procedure of choice for establishing enteral access. However, there is still a relatively high complication rate associated with PEG placement. We reviewed the complications associated with PEG placement at our tertiary-care referral center.

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