Publications by authors named "Lars Sjoholm"

Introduction: "Talk and die" traditionally described occult presentations of fatal intracranial injuries, but we broaden its definition to victims of penetrating trauma.

Methods: We conducted a descriptive analysis of patients with penetrating torso trauma who presented with a Glasgow Coma Scale verbal score ≥3 and died within 48 h of arrival from 2008 to 2018.

Results: Sixty patients were identified.

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Recent increases in firearm violence in U.S. cities are well-documented, however dynamic changes in the people, places and intensity of this public health threat during the COVID-19 pandemic are relatively unexplored.

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Background: Police transport (PT) of penetrating trauma patients decreases the time between injury and trauma center arrival. Our study objective was to characterize trends in the rate of PT and its impact on mortality. We hypothesized that PT is increasing and that these patients are more injured.

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Introduction: Laparoscopic appendectomies are routinely performed using linear staplers. Few case reports have discussed complications from free intraperitoneal staples after appendectomy. We present the first case of a volvulus caused by a free staple that subsequently required bowel resection.

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Background: Recent attention has been paid to the role trauma centers play in responding to mass shootings. Although high-profile public events are the primary focus of media and policy makers, firearm-injured patients (FIPs) present in clusters to urban trauma centers every day. We examined the burden of FIP clusters from an urban trauma system perspective.

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Background: Hemorrhagic shock and pneumonectomy causes an acute increase in pulmonary vascular resistance (PVR). The increase in PVR and right ventricular (RV) afterload leads to acute RV failure, thus reducing left ventricular (LV) preload and output. Inhaled nitric oxide (iNO) lowers PVR by relaxing pulmonary arterial smooth muscle without remarkable systemic vascular effects.

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Background: From 2002 to 2011, there were more than 17,000 shootings in Philadelphia. "Turning Point," Temple University Hospital's inpatient violence intervention program, takes advantage of the teachable moment that occurs after violent injury. In addition to receiving traditional social work services, Turning Point patients watch their trauma bay resuscitation video and a movie about violence, meet with a gunshot wound survivor and an outpatient case manager, and also undergo psychiatric assessment.

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Background: This study was performed to evaluate the effect of socioeconomic status (SES) on outcomes after cholecystectomy.

Methods: The National Inpatient Sample (NIS) database (2005 to 2011) was queried for patients undergoing cholecystectomy. Clinically relevant variables were used to examine clinical characteristics, postoperative complications, and mortality.

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Introduction: Impaired wound healing due to immunosuppression has led some surgeons to preferentially use open gastrostomy tube (OGT) over percutaneous gastrostomy tube (PEG) in heart transplant patients when long-term enteral access is deemed necessary.

Methods: The National Inpatient Sample (NIS) database (2005-2010) was queried for all heart transplant patients. Those receiving OGT were compared to those treated with PEG tube.

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As left ventricular assist devices (LVADs) are increasingly used for patients with end-stage heart failure, the need for noncardiac surgical procedures (NCSs) in these patients will continue to rise. We examined the various types of NCS required and its outcomes in LVAD patients requiring NCS. The National Inpatient Sample Database was examined for all patients implanted with an LVAD from 2007 to 2010.

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Introduction: Lung transplant patients require a high degree of immunosuppression, which can impair wound healing when surgical procedures are required. We hypothesized that because of impaired healing, lung transplant patients requiring gastrostomy tubes would have better outcomes with open gastrostomy tube (OGT) as compared to percutaneous endoscopic gastrostomy tube (PEG).

Methods: The National Inpatient Sample (NIS) Database (2005-2010) was queried for all lung transplant recipients requiring OGT or PEG.

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Background: Controversy remains over the ideal way to transport penetrating trauma victims in an urban environment. Both advance life support (ALS) and basic life support (BLS) transports are used in most urban centers.

Methods: A retrospective cohort study was conducted at an urban Level I trauma center.

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As extracorporeal membrane oxygenation (ECMO) is increasingly used for patients with cardiac and/or pulmonary failure, the need for noncardiac surgical procedures (NCSPs) in these patients will continue to increase. This study examined the NCSP required in patients supported with ECMO and determined which variables affect outcomes. The National Inpatient Sample Database was examined for patients supported with ECMO from 2007 to 2010.

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Introduction: There is a paucity of data on outcomes for lung transplant (LT) recipients requiring general surgery procedures. This study examined outcomes after cholecystectomy in LT recipients using a large database.

Methods: The National Inpatient Sample Database (2005-2010) was queried for all LT patients requiring laparoscopic cholecystectomy (LC) and open cholecystectomy (OC).

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This study examined outcomes in patients with left ventricular assist device (LVAD) and extracorporeal membrane oxygenation (ECMO) requiring noncardiac surgical procedures and identified factors that influence outcomes. All patients with mechanical circulatory support (MCS) devices at our institution from 2002 to 2013 undergoing noncardiac surgical procedures were reviewed. There were 148 patients requiring MCS during the study period, with 40 (27.

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Background: Many penetrating trauma patients in severe hemorrhagic shock receive positive pressure ventilation (PPV) upon transport to definitive care, either by intubation (INT) or bag-valve mask (BVM). Using a swine hemorrhagic shock model that simulates penetrating trauma, we proposed that severely injured patients may have better outcomes with "permissive hypoventilation," where manual breaths are not given and oxygen is administrated passively via face mask (FM). We hypothesized that PPV has harmful physiologic effects in severe low-flow states and that permissive hypoventilation would result in better outcomes.

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Background: Prehospital intubation does not result in a survival advantage in patients experiencing penetrating trauma, yet resistance to immediate transportation to facilitate access to definitive care remains. An animal model was developed to determine whether intubation provides a survival advantage during severe hemorrhagic shock. We hypothesized that intubation would not provide a survival advantage in potentially lethal hemorrhage.

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Background: Prehospital intubation does not appear to result in a survival advantage for patients experiencing penetrating trauma; yet, there is still resistance to the practice of "scoop and run" to speed access to advanced care. An animal model was used to determine whether intubation provides a survival advantage during potentially lethal hemorrhage.

Methods: The carotid arteries of Sprague-Dawley rats were cannulated, and mean arterial pressure (MAP) was measured.

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Objective: To describe a case of cefazolin-induced leukopenia in a critically ill patient who developed this adverse reaction upon rechallenge with cefoxitin.

Case Summary: A 22-year-old male was admitted after a motor vehicle crash. beta-Lactam therapy was initiated with vancomycin, cefepime, and metronidazole and, upon identification of methicillin-sensitive Staphylococcus aureus bacteremia 4 days later, therapy was narrowed to cefazolin 1 g every 12 hours.

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