Publications by authors named "Oresanya L"

Objective: Medicare insures over 65 million Americans and is a primary driver of private insurance reimbursement rates. However, public data shows Medicare reimbursement for comparatively complex procedures such as aortic aneurysm repair is disproportionate. Medicare reimbursement rates are multifactorial and highly localized, yet little is known about nationwide trends.

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Background: We evaluated adverse short-term outcomes after open lower-extremity bypass surgery in patients with diabetes mellitus with a comparison performed based on patient height.

Methods: The American College of Surgeons National Surgical Quality Improvement Program database was analyzed to select patients with Current Procedural Terminology codes 35533, 35540, 35556, 35558, 35565, 35566, 35570, and 35571 and with the diagnosis of diabetes mellitus. This resulted in 83 patients 60 inches or less in height, 1,084 between 60 and 72 inches, and 211 patients 72 inches and taller.

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Background: Practice consolidation by vertical and horizontal integration is a growing trend in surgery. Practice consolidation has not been previously examined in vascular surgery.

Methods: The Medicare Provider Enrollment, Chain, and Ownership System data were used to identify vascular providers and vascular surgery practices in the United States in 2015 and 2020.

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Objective: Colorectal surgery is a core component of general surgery. The volume of colorectal surgery performed by general surgery residents throughout training has not been studied. This study aims to analyze trends observed in colorectal-specific case numbers logged by general surgery residents over 16 years.

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The objective of this study was to evaluate a measure of the responsiveness and reliability of the pulse volume recording upstroke ratio (PVRr). A database of 389 subjects undergoing lower extremity revascularization was analyzed. Subjects were included in the analysis if they had undergone pedal radiographs, had PVRs performed pre- and postlower extremity revascularization, and had regular pulsatile digital waveforms with a pressure recording on both PVRs.

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Background: Routine preoperative laboratory testing is not recommended for American Society of Anesthesiologists classification 1 or 2 patients before low-risk ambulatory surgery.

Methods: The 2017 National Surgical Quality Improvement Program data set was retrospectively queried for American Society of Anesthesiologists class 1 and 2 patients who underwent low-risk, elective outpatient anorectal, breast, endocrine, gynecologic, hernia, otolaryngology, oral-maxillofacial, orthopedic, plastic/reconstructive, urologic, and vascular operations. Preoperative laboratory testing was defined as any chemistry, hematology, coagulation, or liver function studies obtained ≤30 days preoperatively.

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Background: Medial arterial calcification (MAC) of the tibial and pedal arteries has been associated with an increased risk of amputation among people with diabetes. Endovascular interventions on infrageniculate vessels are frequently performed with the intent of treating peripheral artery disease (PAD) and decreasing the risk of amputation in those with diabetes. This study aimed to investigate how the extent of MAC impacts outcomes of endovascular procedures in people with diabetic foot ulcers (DFU).

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Background: Infection with the novel severe acute respiratory syndrome coronavirus 2 has been associated with a hypercoagulable state. Emerging data from China and Europe have consistently shown an increased incidence of venous thromboembolism (VTE). We aimed to identify the VTE incidence and early predictors of VTE at our high-volume tertiary care center.

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Background: A workforce crisis exists in global surgery. One solution is task-shifting, the delegation of surgical tasks to non-physician clinicians or associate clinicians (ACs). Although several studies have shown that ACs have similar postoperative outcomes compared with physicians, little is known about their surgical training.

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Background: High-pressure intermittent limb compression (HPILC) has been proposed as an alternative treatment of disabling intermittent claudication. The objective of this study was to conduct a systematic review and meta-analysis of randomized controlled trials evaluating the efficacy of HPILC in improving walking distance in patients with intermittent claudication.

Methods: A search through December 31, 2016, was performed to identify all randomized controlled trials evaluating the efficacy of HPILC for the management of intermittent claudication.

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Importance: Lower extremity revascularization often seeks to allow patients with peripheral arterial disease to maintain the ability to walk, a key aspect of functional independence. Surgical outcomes in patients with high levels of functional dependence are poorly understood.

Objective: To determine functional status trajectories, changes in ambulatory status, and survival after lower extremity revascularization in nursing home residents.

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Importance: Surgery in older patients often poses risks of death, complications, and functional decline. Prior to surgery, evaluations of health-related priorities, realistic assessments of surgical risks, and individualized optimization strategies are essential.

Objective: To review surgical decision making for older adult patients by 2 measures: defining treatment goals for elderly patients and reviewing the evidence relating risk factors to adverse outcomes.

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Background: Little is known about the breadth and quality of nonobstetric surgical care delivered by nonphysician clinicians (NPCs) in low-resource settings. We aimed to document the scope of NPC surgical practice and characterize outcomes after major surgery performed by nonphysicians in Tanzania.

Methods: A retrospective records review of major surgical procedures (MSPs) performed in 2012 was conducted at seven hospitals in Pwani Region, Tanzania.

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Objective: Even in the setting of duplex ultrasound (DUS) surveillance, a significant number of lower extremity vein bypass grafts (LEVBGs) become occluded as a first event. We sought to identify factors that may contribute to these primary occlusions.

Methods: This was a retrospective analysis of the Project of Ex Vivo Graft Engineering via Transfection III (PREVENT III) multicenter randomized clinical trial, in which 1404 patients with critical limb ischemia (CLI) underwent LEVBG with 1-year follow-up.

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Purpose: Surgical conditions represent a significant source of global disease burden. Little is known about the epidemiology of inguinal hernia in resource-poor settings. We present a method to estimate inguinal hernia disease burden in Tanzania.

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Background: Surgical conditions represent an immense yet underrecognized source of disease burden globally. Characterizing the burden of surgical disease has been defined as a priority research agenda in global surgery. Little is known about the epidemiology of inguinal hernia, a common easily treatable surgical condition, in resource-poor settings.

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