Publications by authors named "John Maddox"

Introduction: Ukraine's health and trauma system has been detrimentally impacted since the start of the Russian invasion in February 2022. Use of telemedicine became critical to providing timely medical care. As such, the aim of this study was to describe telemedicine's use in the health and trauma system of Ukraine following the full-scale invasion.

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Introduction: Ukraine's health and trauma system has been detrimentally impacted since the Russian Federation invasion in February 2022. The number and extent of injuries experienced in Ukraine because of trench warfare and high-intensity large-scale combat operations has not been seen in recent conflicts. Understanding attitudes and perceptions around the use of devices and products including MOVES (monitor, oxygen concentrator, ventilator, and suction system) and its use in the large-scale combat operation environment can inform lessons learned for improved prehospital care in Ukraine, as well as in other future conflicts.

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Background: The Russian Federation's invasion of Ukraine is characterized by indiscriminate attacks on civilian infrastructure, including hospitals and clinics that have devastated the Ukrainian health system putting trauma care at risk. International healthcare providers responded to the need for help with the increasing numbers of trauma patients. We aimed to describe their experiences during the conflict to explore the gaps in systems and care for trauma patients to refine the Global Trauma System Evaluation Tool (G-TSET) tool.

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Background: Splenic embolization for traumatic vascular abnormalities in stable patients is a common practice. We hypothesize that modern contrast-enhanced computed tomography (CT) over diagnoses posttraumatic splenic vascular lesions, such as intraparenchymal pseudoaneurysms (PSA) that may not require embolization.

Methods: We reviewed the experience at our high-volume center with endovascular management of blunt splenic injuries from January 2016 to December 2021.

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Antibiotics and drainage have largely replaced hepatic resection for the treatment of liver abscesses in the modern era; however, in cases caused by a rare strain of Klebsiella pneumoniae with a hypermucoviscous phenotype, more aggressive hepatic resection may be required. The patient is a 34-year-old male who presented to Landstuhl Regional Medical Center with a week of epigastric pain. His workup revealed a 6 cm liver abscess with growth to 10 cm in 48 hours.

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Background: Splenorrhaphy was once used to achieve splenic preservation in up to 40% of splenic injuries. With increasing use of nonoperative management and angioembolization, operative therapy is less common and splenic injuries treated operatively are usually high grade. Patients are often unstable, making splenic salvage unwise.

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Background: Asbestos is the primary known cause of malignant mesothelioma. Some cosmetic talc products have been shown to contain asbestos. Recently, repeated exposures to cosmetic talc have been implicated as a cause of mesothelioma.

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Purpose: The purpose of this study was to compare clinical outcomes of incisional hernia repair in solid organ transplant patients using non-cross-linked porcine acellular dermal matrix (PADM), human derived acellular dermal matrix (HADM) and synthetic mesh.

Methods: A retrospective review of patients who underwent hernia repair with PADM after pancreas and/or renal transplant at the University of Maryland Medical Center from 2008 to 2012 was conducted. Repair type, postoperative infection, hernia recurrence, mesh removal, and length of follow-up were recorded.

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Crossed fused renal ectopia in the presence of abdominal aortic aneurysms (AAAs) is a rare challenge to therapy. A 68-year-old man had a 6.9-cm AAA, a 6.

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Background: Negative-pressure therapy has recently been used over closed incisions to decrease surgical-site occurrences, including infection and dehiscence. A meta-analysis was performed to evaluate the effectiveness of closed incision negative-pressure therapy in lowering the incidence of surgical-site infections compared with standard dressings.

Methods: A literature search was conducted to find publications comparing closed incision negative-pressure therapy to standard incisional care.

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Surgical manipulation of the groin can result in lymphatic injury in a significant number of patients leading to poor wound healing or infectious complications. Surgical repair of lymphatic injury is greatly aided by the precise and prompt intraoperative localization of the injured lymphatic vessels. We assessed and identified lymphatic leaks in 2 cases of surgical wound lymphorrhea occurring after instrumentation of the groin using laser-assisted indocyanine green lymphography paired with isosulfan blue injection.

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Objective: Applications for Abdominal Wall Vascularized Composite Allotransplantation may expand if a functional graft with decreased immunosuppressive requirements can be designed. We hypothesize that it is anatomically feasible to prepare a functional, innervated, and vascularized abdominal composite graft using a multilayered component separation technique. Including vascularized bone in the graft design may decrease the immunosuppressive requirements by inducing immunologic chimerism.

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