Publications by authors named "Mercer D"

Objective: Intestinal transplantation (ITx) has become an accepted option for children with serious complications from intestinal failure and parenteral nutrition (PN) dependence. We aimed to assess long-term growth and nutritional outcomes in these patients. We also assessed factors influencing nutritional status and ability to wean off tube feedings (TFs) after ITx.

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Background & Aims: Glepaglutide is a long-acting glucagon-like peptide (GLP)-2 analogue developed to improve intestinal absorption in patients with short bowel syndrome (SBS). The authors conducted a trial to establish the efficacy and safety of glepaglutide in reducing parenteral support (PS) needs in patients with SBS with intestinal failure.

Methods: In an international, placebo-controlled, randomized, parallel-group, double-blind, phase 3 trial, patients with SBS with intestinal failure requiring PS ≥3 d/wk were randomized 1:1:1 to 24 weeks of glepaglutide 10 mg twice weekly or once weekly or placebo.

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Purpose: Distal radius fractures may include difficult-to-treat fractures of the volar ulnar corner, colloquially termed as the "critical corner." These fragments are problematic because they are often missed, and their fixation is difficult. We aimed to compare the distal extent of the exposure of the volar surface of the distal radius between the classic Henry approach and the extended flexor carpi radialis (EFCR) approach.

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Background And Aims: Glucagon-like peptide 2 (GLP-2) analogues are the first available disease-modifying treatments for patients with intestinal failure (IF) due to short bowel syndrome (SBS). Efficacy in terms of reduction of parenteral support (PS) has been demonstrated in multiple studies and real-world reports. However, it remains unclear how many patients are eligible to receive the treatment, when treatment is started after intestinal resection, how treatment efficacy is assessed outside of clinical trials, and how the treatment is modified in case of non-response or adverse events.

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Background: Textbook outcome (TO) is a single composite score representing ideal care for a procedure or medical condition. Short bowel syndrome (SBS) patients are at high risk for complications and death. Our aim was to determine the incidence of and predictive factors for a TO in SBS patients.

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: The National Comprehensive Cancer Network (NCCN)-recommended treatment for patients with borderline-resectable pancreatic cancer (BRPC) and locally advanced pancreatic cancer (LAPC) involves a combination of neoadjuvant FOLFIRINOX chemotherapy and the curative surgical resection of the tumor. This study seeks to identify the clinical, radiological, laboratory, and pathologic predictors that can anticipate the oncological outcomes of patients. : In this study, we conducted a retrospective analysis of patients who had undergone curative surgical resection for BRPC, LAPC, or resectable disease with high-risk features after receiving neoadjuvant FOLFIRINOX at two institutions.

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Objective: To evaluate the frequency and factors associated with clip migration in MRI-guided breast biopsies.

Methods: This study was approved by our Institutional Review Board and was compliant with HIPAA. We retrospectively evaluated all MRI-guided biopsies performed between January 2013 and December 2020 in our institution for clip migration.

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We present two cases of complex metacarpal fractures treated with an intramedullary locking nail. This is an emerging fixation method that minimizes tissue insult, provides sufficient stability, and allows early mobilization. Locking nails accommodate the capture of fractured fragments in complex unstable patterns and provide longitudinal and rotational stability.

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Longitudinal forearm instability is a consequence of interosseous ligament complex disruption. Radiographic identifiers should alert the surgeon to the disrupted structures. Understanding the injury pattern can simplify the treatment process.

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Background: O'Driscoll popularized the principle of linked column fixation for distal humerus fractures. Despite the linked column concept being widely accepted, there are few reported techniques to accomplish this goal. A novel device was designed based on the principles of linked columns.

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Importance: The involvement of chronic inflammation in the pathogenesis of age-related macular degeneration (AMD) opens therapeutic possibilities to AMD management.

Objective: To determine whether Janus kinase inhibitors (JAKis) are associated with a reduced risk of AMD development in patients with autoimmune diseases.

Design, Setting, And Participants: This retrospective observational cohort study used administrative claims data from Merative MarketScan research databases (Commercial and Medicare Supplemental) and Optum Clinformatics Data Mart databases between January 1, 2010, and January 31, 2022.

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Receptor tyrosine kinases (RTKs) control stem cell maintenance vs. differentiation decisions. Casitas B-lineage lymphoma (CBL) family ubiquitin ligases are negative regulators of RTKs, but their stem cell regulatory roles remain unclear.

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Case: A 34-year-old man was acutely treated with radial head arthroplasty and central band repair following Essex-Lopresti injury. A 38-year-old man presented with chronic longitudinal instability following failed radial head arthroplasty, which was performed for failed fixation. Treatment with revision radial head arthroplasty and central band reconstruction restored longitudinal stability.

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Introduction: In the last two decades there has been a paradigm shift with breast conserving surgery (BCS) being applied to larger and more extensive breast malignancies. The aim of this study is to examine the success of BCS being performed in patients with extensive breast malignancies requiring at least 3 wires for localization, and to assess possible risk factors for failure.

Materials And Methods: We performed a retrospective single center review of 232 patients who underwent BCS between 2010 and 2020 requiring at least 3 wires for localization, thus comprising the multi-wire group (MWG).

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Background: The incidence of radial head fractures is increasing, and radial head arthroplasty (RHA) is being more frequently used as treatment for irreparable fractures. Our objective was to compare radiocapitellar pressure between the native joint and 2 radial head prosthesis conditions: (1) a prosthetic head that was aligned to the forearm axis of rotation and (2) the same prosthesis with an axisymmetric nonaligned head.

Methods: Ten cadaveric specimens received a pressfit radial head prosthesis (Align; Skeletal Dynamics) for both prosthetic testing conditions.

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Purpose: The distal radioulnar joint (DRUJ) is supported by an array of dynamic and static stabilizers, of which the triangular fibrocartilage complex (TFCC) is the most important, and the distal interosseous ligament is next in importance. The distal oblique band (DOB) is an identifiable component of the distal interosseous ligament, found in a subset of the population. Our objective was to determine the contribution of the DOB to DRUJ stability in the presence of a disrupted TFCC.

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Promoting equitable health care is to ensure that everyone has access to high-quality medical services and appropriate treatment options. The definition of health equity often can be misinterpreted, and there are challenges in fully understanding the disparities and costs of health care and when measuring the outcomes of treatment. However, these topics play an important role in promoting health equity.

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Objectives: To assess the diagnostic performance of ultrafast magnetic resonance imaging (UF-DCE MRI) in differentiating benign from malignant breast lesions.

Materials And Methods: A comprehensive search was conducted until September 1, 2023, in Medline, Embase, and Cochrane databases. Clinical studies evaluating the diagnostic performance of UF-DCE MRI in breast lesion stratification were screened and included in the meta-analysis.

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Septic arthritis of the wrist can have severe deleterious effects on cartilage and bone if not promptly addressed. Expedient diagnosis and early medical intervention are important. The most effective strategy involves immediate arthrocentesis of the infected joint, enabling precise antibiotic selection based on joint fluid analysis.

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Septic arthritis of the elbow is a serious problem requiring prompt, accurate diagnosis and urgent surgical intervention. Achieving successful patient outcomes depends heavily on early diagnosis and efficient streamlined surgical treatment. Essential tactics for treating the septic elbow joint include immediate joint irrigation and debridement in addition to administration of appropriate antibiotics.

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Purpose: The goal of surgical management for unstable elbow injuries is the restoration of joint concentricity and stability. After internal fixation, concerns may exist regarding instability or durability of the fixation construct. Historically, these scenarios were treated with options such as transarticular pinning or external fixation.

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High-energy tibial fractures often present with associated soft tissue injuries, including neuro-vascular damage, complicating the treatment decision. A 33-year-old male presented with Gustilo Anderson type IIIA fracture of the left distal tibia and fibula with associated closed calcaneus fracture and tibial nerve transection. Amputation was discussed, but the decision was made for limb salvage with nerve allograft.

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Purpose: After nerve injury, macrophages and Schwann cells remove axon and myelin debris. We hypothesized that nerves repaired with different conduit materials will result in varying levels of these cell populations, which impacts Wallerian degeneration and axonal regeneration.

Methods: We performed a unilateral sciatic nerve transection in 18 rats.

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