11 results on '"Wisner DH"'
Search Results
2. Improving blood pressure screening and control at an academic health system.
- Author
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Shaikh U, Petray J, and Wisner DH
- Subjects
- Academic Medical Centers organization & administration, Academic Medical Centers statistics & numerical data, Academic Medical Centers trends, Adolescent, Adult, Aged, Blood Pressure Determination trends, California, Female, Humans, Hypertension diagnosis, Hypertension physiopathology, Male, Mass Screening methods, Mass Screening trends, Middle Aged, Quality Improvement, Blood Pressure Determination standards, Mass Screening standards
- Abstract
The goal of the University of California Davis Health Blood Pressure (BP) Quality Improvement Initiative was to improve the diagnosis, management and control of high BP. Patients aged 18-85 years were included in the initiative. Lean A3 problem solving was used to implement the following evidence-based interventions based on stakeholder interviews, value stream mapping and the Centers for Disease Control and Prevention's Million Hearts Initiative: staff training on accurate BP measurement, visual cues and reminders for BP screening, virtual case-based videoconferences, standardised clinical management algorithm, academic detailing visits, clinical decision support tools, access to pharmacists for medication comanagement, clinician workflow modification, patient education and access to home BP monitors. Following implementation of interventions, accurate screening of BP increased from 14% to 87% and BP control increased from 62% to 75%. Strategies that contributed the most to improvements were using a team-based approach, adjusting clinic workflow and frequent communication of results to staff., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2020
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3. Association between the seat belt sign and intra-abdominal injuries in children with blunt torso trauma in motor vehicle collisions.
- Author
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Borgialli DA, Ellison AM, Ehrlich P, Bonsu B, Menaker J, Wisner DH, Atabaki S, Olsen CS, Sokolove PE, Lillis K, Kuppermann N, and Holmes JF
- Subjects
- Abdominal Injuries epidemiology, Abdominal Injuries etiology, Adolescent, Child, Female, Follow-Up Studies, Glasgow Coma Scale, Humans, Incidence, Male, Physical Examination methods, Prospective Studies, Tomography, X-Ray Computed, United States epidemiology, Wounds, Nonpenetrating epidemiology, Wounds, Nonpenetrating etiology, Abdominal Injuries diagnosis, Accidents, Traffic, Emergency Service, Hospital, Seat Belts, Wounds, Nonpenetrating diagnosis
- Abstract
Objectives: The objective was to determine the association between the abdominal seat belt sign and intra-abdominal injuries (IAIs) in children presenting to emergency departments with blunt torso trauma after motor vehicle collisions (MVCs)., Methods: This was a planned subgroup analysis of prospective data from a multicenter cohort study of children with blunt torso trauma after MVCs. Patient history and physical examination findings were documented before abdominal computed tomography (CT) or laparotomy. Seat belt sign was defined as a continuous area of erythema, ecchymosis, or abrasion across the abdomen secondary to a seat belt restraint. The relative risk (RR) of IAI with 95% confidence intervals (CIs) was calculated for children with seat belt signs compared to those without. The risk of IAI in those patients with seat belt sign who were without abdominal pain or tenderness, and with Glasgow Coma Scale (GCS) scores of 14 or 15, was also calculated., Results: A total of 3,740 children with seat belt sign documentation after blunt torso trauma in MVCs were enrolled; 585 (16%) had seat belt signs. Among the 1,864 children undergoing definitive abdominal testing (CT, laparotomy/laparoscopy, or autopsy), IAIs were more common in patients with seat belt signs than those without (19% vs. 12%; RR = 1.6, 95% CI = 1.3 to 2.1). This difference was primarily due to a greater risk of gastrointestinal injuries (hollow viscous or associated mesentery) in those with seat belt signs (11% vs. 1%; RR = 9.4, 95% CI = 5.4 to 16.4). IAI was diagnosed in 11 of 194 patients (5.7%; 95% CI = 2.9% to 9.9%) with seat belt signs who did not have initial complaints of abdominal pain or tenderness and had GCS scores of 14 or 15., Conclusions: Patients with seat belt signs after MVCs are at greater risk of IAI than those without seat belt signs, predominately due to gastrointestinal injuries. Although IAIs are less common in alert patients with seat belt signs who do not have initial complaints of abdominal pain or tenderness, the risk of IAI is sufficient that additional evaluation such as observation, laboratory studies, and potentially abdominal CT scanning is generally necessary., (© 2014 by the Society for Academic Emergency Medicine.)
- Published
- 2014
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4. Practice patterns of academic general thoracic and adult cardiac surgeons.
- Author
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Ingram MT Jr, Wisner DH, and Cooke DT
- Subjects
- Academic Medical Centers, Adult, Cardiac Surgical Procedures education, Cardiac Surgical Procedures statistics & numerical data, Databases, Factual, Humans, Retrospective Studies, Thoracic Surgical Procedures education, United States, Practice Patterns, Physicians' statistics & numerical data, Thoracic Surgical Procedures statistics & numerical data
- Abstract
Objective: We hypothesized that academic adult cardiac surgeons (CSs) and general thoracic surgeons (GTSs) would have distinct practice patterns of, not just case-mix, but also time devoted to outpatient care, involvement in critical care, and work relative value unit (wRVU) generation for the procedures they perform., Methods: We queried the University Health System Consortium-Association of American Medical Colleges Faculty Practice Solution Center database for fiscal years 2007-2008, 2008-2009, and 2009-2010 for the frequency of inpatient and outpatient current procedural terminology coding and wRVU data of academic GTSs and CSs. The Faculty Practice Solution Center database is a compilation of productivity and payer data from 86 academic institutions., Results: The greatest wRVU generating current procedural terminology codes for CSs were, in order, coronary artery bypass grafting, aortic valve replacement, and mitral valve replacement. In contrast, open lobectomy, video-assisted thoracic surgery wedge, and video-assisted thoracic surgery lobectomy were greatest for GTSs. The 10 greatest wRVU-generating procedures for CSs generated more wRVUs than those for GTSs (P<.001). Although CSs generated significantly more hospital inpatient evaluation and management (E & M) wRVUs than did GTSs (P<.001), only 2.5% of the total wRVUs generated by CSs were from E & M codes versus 18.8% for GTSs. Critical care codes were 1.5% of total evaluation and management billing for both CSs and GTSs., Conclusions: Academic CSs and GTSs have distinct practice patterns. CSs receive greater reimbursement for services because of the greater wRVUs of the procedures performed compared with GTSs, and evaluation and management coding is a more important wRVU generator for GTSs. The results of our study could guide academic CS and GTS practice structure and time prioritization., (Copyright © 2014 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.)
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- 2014
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5. Flexion and extension radiographic evaluation for the clearance of potential cervical spine injures in trauma patients.
- Author
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McCracken B, Klineberg E, Pickard B, and Wisner DH
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, Female, Humans, Magnetic Resonance Imaging methods, Male, Middle Aged, Posture, Retrospective Studies, Tomography, X-Ray Computed methods, Young Adult, Cervical Vertebrae diagnostic imaging, Spinal Injuries diagnostic imaging
- Abstract
Background: Flexion and extension radiographs are often used in the setting of trauma to clear a cervical spine injury. The utility of such tests, however, remains to be determined. We hypothesized that in patients who underwent a negative computed tomography (CT) cervical spine scan, flexion and extension radiographs did not yield useful additional information., Methods: We conducted a retrospective chart review of all patients admitted to a Level I trauma center who had a negative CT scan of the cervical spine and a subsequent cervical flexion-extension study for evaluation of potential cervical spine injury. All flexion-extension films were independently reviewed to determine adequacy as defined by C7/T1 visualization and 30° of change in the angle from flexion to extension. The independent reviews were compared to formal radiology readings and the influence of the flexion-extension studies on clinical decision making was also reviewed., Results: One thousand patients met inclusion criteria for the study. Review of the flexion-extension radiographs revealed that 80% of the films either did not adequately demonstrate the C7/T1 junction or had less than 30° range of motion. There was one missed injury that was also missed on magnetic resonance imaging. Results of the flexion-extension views had minimal effects on clinical decision making., Conclusion: Adequate flexion extension films are difficult to obtain and are minimally helpful for clearance of the cervical spine in awake and alert trauma patients.
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- 2013
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6. Who performs complex noncardiac thoracic surgery in United States academic medical centers?
- Author
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Cooke DT and Wisner DH
- Subjects
- Humans, United States, Workforce, Academic Medical Centers, Internship and Residency, Specialties, Surgical education, Thoracic Surgery education, Thoracic Surgery, Video-Assisted education
- Abstract
Background: We hypothesized that general thoracic surgeons (GTS) predominantly perform complex noncardiac thoracic surgery in academic hospitals compared with cardiac surgeons (CS), general surgeons, and surgical oncologists., Methods: Fiscal year 2007-2008 to 2009-2010 coding and work relative value unit data from the University Health System Consortium and Association of American Medical Colleges Faculty Practice Solutions Center database, which includes 86 academic institutions, was analyzed. Procedural groups for pneumonectomy, other pulmonary resection (including lobectomy, bilobectomy, segmentectomy, sleeve lobectomy, and video-assisted thoracoscopic surgery lobectomy-segmentectomy), and esophagectomy were evaluated., Results: Of the 1,989,055.3 total work relative value units generated for complex noncardiac thoracic surgical procedures during the study period, 77.5% were generated by GTS, compared with 9.9% by CS, 8.9% by general surgeons, and 3.7% by surgical oncologists (p<0.001). General thoracic surgeons averaged 2.1 pneumonectomies, 51.1 other pulmonary resections, and 12.2 esophagectomies per year compared with 2.1 pneumonectomies, 9.4 other pulmonary resections, and less than 1 esophagectomy per year for CS. General surgeons and surgical oncologists averaged no more than 1.6 cases per year for all categories (all p<0.001, except for pneumonectomy, in which GTS versus CS was not significantly different). To determine the use of parenchymal-sparing operations, we looked at the ratio of sleeve lobectomy to pneumonectomy and found higher usage of parenchymal-sparing techniques by GTS, relative to pneumonectomy, compared with all other groups (p<0.001). General thoracic surgeons averaged 16.0 video-assisted thoracoscopic surgery lobectomies per year compared with approximately 1 per year for all other groups (p<0.001). General thoracic surgeons had a 47.1% increase in video-assisted thoracoscopic surgery lobectomies per year compared with 27.4% for CS., Conclusions: In academic hospitals, noncardiac thoracic surgery is performed mostly by GTS, supporting academic GTS as a distinct specialty. These results may help determine hospital referral and credentialing policies, and plan general and cardiothoracic surgery residency curriculum., (Copyright © 2012 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2012
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7. Is hospital admission and observation required after a normal abdominal computed tomography scan in children with blunt abdominal trauma?
- Author
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Awasthi S, Mao A, Wooton-Gorges SL, Wisner DH, Kuppermann N, and Holmes JF
- Subjects
- Child, Emergency Service, Hospital, Female, Humans, Male, Observation, Prospective Studies, Abdominal Injuries diagnostic imaging, Patient Admission statistics & numerical data, Tomography, X-Ray Computed, Wounds, Nonpenetrating diagnostic imaging
- Abstract
Objectives: The objective was to determine if hospital admission of children with blunt abdominal trauma for observation of possible intraabdominal injury (IAI) is necessary after a normal abdominal computed tomography (CT) scan in the emergency department (ED)., Methods: The authors conducted a prospective observational cohort study of children less than 18 years of age with blunt abdominal trauma who underwent an abdominal CT scan in the ED. Abdominal CT scans were obtained with intravenous contrast but no oral contrast. The decision to hospitalize the patient was made by the attending emergency physician (EP) with the trauma or pediatric surgery teams. An abnormal abdominal CT scan was defined by the presence of any visualized IAI or findings suggestive of possible IAI (e.g., intraperitoneal fluid without solid organ injury). Patients were followed to determine if IAI was later diagnosed and the need for acute therapeutic intervention if IAI was present., Results: A total of 1,295 patients underwent abdominal CT, and 1,085 (84%) patients had normal abdominal CT scans in the ED and make up the study population. Seven-hundred thirty-seven (68%) were hospitalized, and 348 were discharged to home. None of the 348 patients discharged home and 2 of the 737 hospitalized patients were identified with an IAI after a normal initial abdominal CT. The IAIs in patients with normal initial CT scans included a 10-year-old with a mesenteric hematoma and serosal tear at laparotomy and a 10-year-old with a perinephric hematoma on repeat CT. Neither underwent specific therapy. The negative predictive value (NPV) of a normal abdominal CT scan for IAI was 99.8% (95% confidence interval [CI] = 99.3% to 100%)., Conclusions: Children with blunt abdominal trauma and a normal abdominal CT scan in the ED are at very low risk of having a subsequently diagnosed IAI and are very unlikely to require a therapeutic intervention. Hospitalization of children for evaluation of possible undiagnosed IAI after a normal abdominal CT scan has a low yield and is generally unnecessary.
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- 2008
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8. Effects of delaying fluid resuscitation on an injury to the systemic arterial vasculature.
- Author
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Holmes JF, Sakles JC, Lewis G, and Wisner DH
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- Animals, Hemorrhage, Models, Animal, Resuscitation, Sheep, Thoracic Injuries, Wounds, Penetrating, Arteries injuries, Fluid Therapy, Hemodynamics, Shock, Hemorrhagic
- Abstract
Objectives: To determine the effects of delaying fluid on the rate of hemorrhage and hemodynamic parameters in an injury involving the arterial system., Methods: Twenty-one adult, anesthetized sheep underwent left anterior thoracotomy and transection of the left internal mammary artery. A chest tube was inserted into the thoracic cavity to provide a continuous measurement of blood loss. The animals were randomly assigned to one of three resuscitation protocols: 1) no fluid resuscitation (NR), 2) standard fluid resuscitation (SR) begun 15 minutes after injury, or 3) delayed fluid resuscitation (DR) begun 30 minutes after injury. All of the animals in the two resuscitation groups received 60 mL/kg of lactated Ringer's solution over 30 minutes. Blood loss and hemodynamic parameters were measured throughout the experiment., Results: Total hemorrhage volume (mean +/- SD) at the end of the experiment was significantly lower (p = 0.006) in the NR group (1,499 +/- 311 mL) than in the SR group (3,435 +/- 721 mL) or the DR group (2,839 +/- 1549 mL). Rate of hemorrhage followed changes in mean arterial pressure in all groups. Hemorrhage spontaneously ceased significantly sooner (p = 0.007) in the NR group (21 +/- 14 minutes) and the DR group (20 +/- 15 minutes) than in the SR group (54 +/- 4 minutes). In the DR group, after initial cessation of hemorrhage, hemorrhage recurred in five of six animals (83%) with initiation of fluid resuscitation. Maximum oxygen (O2) delivery in each group after injury was as follows: 101 +/- 34 mL O2/kg/min at 45 minutes in the DR group, 51 +/- 20 mL O2/kg/min at 30 minutes in the SR group, and 35 +/- 8 mL O2/kg/min at 60 minutes in the NR group., Conclusions: Rates of hemorrhage from an arterial injury are related to changes in mean arterial pressure. In this animal model, early aggressive fluid resuscitation in penetrating thoracic trauma exacerbates total hemorrhage volume. Despite resumption of hemorrhage from the site of injury, delaying fluid resuscitation results in the best hemodynamic parameters.
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- 2002
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9. Initial imaging in the trauma patient.
- Author
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Wisner DH
- Subjects
- Abdominal Injuries etiology, Aorta, Thoracic diagnostic imaging, Aortography, Echocardiography, Humans, Sensitivity and Specificity, Thoracic Injuries etiology, Tomography, X-Ray Computed, Wounds, Nonpenetrating complications, Wounds, Penetrating complications, Abdominal Injuries diagnosis, Aorta, Thoracic injuries, Diagnostic Imaging methods, Thoracic Injuries diagnosis, Wounds, Nonpenetrating diagnosis, Wounds, Penetrating diagnosis
- Published
- 1998
10. Blood-to-tissue albumin transport in rats subjected to acute hemorrhage and resuscitation.
- Author
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Tucker VL, Bravo E, Weber CJ, and Wisner DH
- Subjects
- Acute Disease, Animals, Atrial Natriuretic Factor blood, Atrial Natriuretic Factor metabolism, Biological Transport, Blood Glucose analysis, Blood Volume, Body Water, Body Weight, Brain blood supply, Colon blood supply, Coronary Vessels metabolism, Disease Models, Animal, Extravascular Lung Water, Hematocrit, Hemodynamics, Ileum blood supply, Lung blood supply, Male, Osmolar Concentration, Plasma Volume, Rats, Rats, Wistar, Serum Albumin analysis, Serum Albumin pharmacokinetics, Skin blood supply, Tissue Distribution, Vasopressins blood, Vasopressins metabolism, Hemorrhage metabolism, Resuscitation, Serum Albumin metabolism
- Abstract
Hemorrhage induces a rapid redistribution of protein from extravascular spaces into the blood. We studied the effects of acute, nontraumatic hemorrhage on tracer-albumin clearances into individual tissues of rats to determine if reduced protein extravasation could account for intravascular protein gain. Three groups were studied: 1) HEM animals were anesthetized with pentobarbital sodium and bled to a mean arterial pressure of 50 mmHg for 90 min; 2) HEM-RS animals were treated identical to group 1 and then resuscitated with 5% bovine serum albumin (BSA) until baseline arterial pressures were regained; 3) SHAM animals served as time controls. Hemodynamic variables were measured periodically throughout hemorrhage and clearance periods, and plasma samples were collected prior to death for protein and hormone analysis. Plasma clearance of 131I-BSA into individual tissues was measured over the final 30 min of each protocol with a terminal injection of 125I-BSA used to correct for intravascular volume. Reduction of blood volume by 35% in HEM-treated animals resulted in a marked decrease in albumin transport relative to the SHAM group (p < or = .05) in the following tissues: skeletal muscle (-65%), skin (-49%), ileum (-75%), cecum (-66%), colon (-67%), heart (-67%), and lung (-71%). Significant changes were not observed in the remaining tissues sampled: pancreas, kidney, and cerebrum. Albumin clearances in the HEM-RS group were slightly but not significantly lower than SHAM animals except for skeletal muscle, where transport remained depressed following resuscitation.(ABSTRACT TRUNCATED AT 250 WORDS)
- Published
- 1995
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11. Suspected myocardial contusion. Triage and indications for monitoring.
- Author
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Wisner DH, Reed WH, and Riddick RS
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- Adolescent, Adult, Aged, Aged, 80 and over, Clinical Enzyme Tests, Contusions etiology, Creatine Kinase blood, Diagnosis, Differential, Echocardiography, Electrocardiography, Female, Heart Injuries etiology, Humans, Male, Middle Aged, Monitoring, Physiologic, Predictive Value of Tests, Retrospective Studies, Thoracic Injuries complications, Triage, Wounds, Nonpenetrating complications, Contusions diagnosis, Heart Injuries diagnosis
- Abstract
Although many different tests are used to diagnose myocardial contusion, the clinical implications of the diagnosis are unclear. This makes it difficult to decide which patients require admission to a monitored bed. During 16 months, 3010 patients with blunt trauma were reviewed for evidence of sequelae attributable to myocardial contusion. None of 2204 admissions to unmonitored beds had evidence of serious arrhythmias or heart failure. No patient who died after admission had myocardial contusion at autopsy. Of the 644 admissions to monitored beds, 95 had workups for suspected contusion. Heart failure not obvious on admission did not occur and there were only four arrhythmias that required treatment. Conduction abnormalities on admission electrocardiogram predicted serious arrhythmias. Echocardiography and creatine phosphokinase isoenzyme levels, although frequently positive, did not predict morbidity. Clinically significant myocardial contusions are rare. Patients who will develop life-threatening complications from blunt cardiac injury can be identified in an emergency room setting.
- Published
- 1990
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