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K. Schaffer · SciRah

Researcher profile · Semantic Scholar

K. Schaffer

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K. Schaffer — researcher profile on SciRah

h-index: 20
Works: 54
Citations: 2,714

Most-cited papers

Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study
D. Nepogodiev, J. Glasbey, Elizabeth Li, O. Omar +496 more
2020The Lancet1,470 citations Open access
Semantic Scholar
Practice patterns and outcomes of retrievable vena cava filters in trauma patients: an AAST multicenter study.
R. Karmy-Jones, G. Jurkovich, G. Velmahos, Thomas R. Burdick +39 more
2007Journal of Trauma241 citations
Semantic Scholar
Physical Complaints, Medical Service Use, and Social and Employment Changes Following Mild Traumatic Brain Injury: A 6–Month Longitudinal Study
J. Kraus, K. Schaffer, Kathi Ayers, J. Stenehjem +2 more
2005The journal of head trauma rehabilitation94 citations
Semantic Scholar
Changes in traumatic mechanisms of injury in Southern California related to COVID-19: Penetrating trauma as a second pandemic
Eric O. Yeates, A. Grigorian, C. Barrios, M. Schellenberg +28 more
2020Journal of Trauma and Acute Care Surgery89 citations Open access
Semantic Scholar
Injuries to High School Football Athletes in California
Marizen R. Ramirez, K. Schaffer, Hai-Kang Shen, S. Kashani +1 more
2006American Journal of Sports Medicine82 citations
Semantic Scholar
Immunologic function after splenic embolization, is there a difference?
Gail T. Tominaga, Fred Simon, Imad S. Dandan, K. Schaffer +7 more
2009Journal of Trauma69 citations
Semantic Scholar
Preinjury Factors and 3‐Month Outcomes Following Emergency Department Diagnosis of Mild Traumatic Brain Injury
J. Kraus, P. Hsu, K. Schaffer, F. Vaca +3 more
2009The journal of head trauma rehabilitation54 citations
Semantic Scholar
Epidemiology of acute low back injury in employees of a large home improvement retail company.
Jess F. Kraus, K. Schaffer, D. L. McArthur, Corinne Peek-Asa
1997American Journal of Epidemiology54 citations
Semantic Scholar
Surveillance of non-fatal workplace assault injuries, using police and employers' reports.
Corinne Peek-Asa, K. Schaffer, Jess F. Kraus, John Howard
1998Journal of Occupational and Environmental Medicine43 citations
Semantic Scholar
A Field Trial of Back Belts to Reduce the Incidence of Acute Low Back Injuries in New York City Home Attendants
J. Kraus, K. Schaffer, Thomas M. Rice, James A. Maroosis +1 more
2002International journal of occupational and environmental health41 citations
Semantic Scholar
Management of blunt traumatic abdominal wall hernias: A Western Trauma Association multicenter study
K. Harrell, Arthur D Grimes, R. Albrecht, Jessica K. Reynolds +33 more
2021Journal of Trauma and Acute Care Surgery28 citations
Semantic Scholar
Limb salvage after complex repairs of extremity arterial injuries is independent of surgical specialty training
S. Shackford, Jessica E. Kahl, Richard Y. Calvo, Meghan C. Shackford +17 more
2013Journal of Trauma and Acute Care Surgery28 citations
Semantic Scholar
Head injuries in hospital-admitted adolescents and adults with skateboard-related trauma
G. Tominaga, K. Schaffer, Imad S. Dandan, Frank J Coufal +1 more
2015Brain Injury27 citations
Semantic Scholar
A multicenter trial of current trends in the diagnosis and management of high-grade pancreatic injuries
W. Biffl, Frank Z. Zhao, Bryan C. Morse, M. Mcnutt +16 more
2021Journal of Trauma and Acute Care Surgery26 citations
Semantic Scholar
Traumatic Brain Injury in Older Adults: Characteristics, Outcomes, and Considerations. Results From the American Association for the Surgery of Trauma Geriatric Traumatic Brain Injury (GERI-TBI) Multicenter Trial.
Mira H Ghneim, K. Brasel, R. Vesselinov, Jennifer S. Albrecht +18 more
2022Journal of the American Medical Directors Association24 citations
Semantic Scholar
A Case-Site/Control-Site Study of Workplace Violent Injury
K. Schaffer, C. Casteel, J. Kraus
2002Journal of Occupational and Environmental Medicine23 citations
Semantic Scholar
COVID-19 in trauma: a propensity-matched analysis of COVID and non-COVID trauma patients
Eric O. Yeates, A. Grigorian, M. Schellenberg, Natthida Owattanapanich +26 more
2021European Journal of Trauma and Emergency Surgery22 citations Open access
Semantic Scholar
Effects of the COVID-19 pandemic on pediatric trauma in Southern California
Eric O. Yeates, A. Grigorian, M. Schellenberg, Natthida Owattanapanich +27 more
2021Pediatric surgery international (Print)21 citations Open access
Semantic Scholar
Drug and alcohol positivity of traumatically injured patients related to COVID-19 stay-at-home orders
Kirsten N Young, Eric O. Yeates, A. Grigorian, M. Schellenberg +28 more
2021The American Journal of Drug and Alcohol Abuse20 citations
Semantic Scholar
Epidemiological and clinical features of an older high-risk population of skateboarders.
G. Tominaga, K. Schaffer, Imad S. Dandan, J. Kraus
2013Injury20 citations
Semantic Scholar
Disparities in triage and management of the homeless and the elderly trauma patient
K. Schaffer, Jiayan Wang, Fady S. Nasrallah, Dunya Bayat +3 more
2020Injury Epidemiology18 citations Open access
Semantic Scholar
Adolescent Trauma During the COVID Pandemic: Just Like Adults, Children, or Someone Else?
Perisa Ruhi-Williams, Eric O. Yeates, A. Grigorian, M. Schellenberg +28 more
2022The American surgeon16 citations Open access
Semantic Scholar
Goodbye Hartmann trial: a prospective, international, multicenter, observational study on the current use of a surgical procedure developed a century ago
G. Perrone, M. Giuffrida, F. Abu-Zidan, V. Kruger +496 more
2024World Journal of Emergency Surgery15 citations Open access
Semantic Scholar
Decreased hospital length of stay and intensive care unit admissions for non-COVID blunt trauma patients during the COVID-19 pandemic
Eric O. Yeates, A. Grigorian, M. Schellenberg, Natthida Owattanapanich +27 more
2022American Journal of Surgery15 citations Open access
Semantic Scholar
Excluding Hollow Viscus Injury for Abdominal Seat Belt Sign Using Computed Tomography.
Patrick T. Delaplain, E. Tay-Lasso, W. Biffl, K. Schaffer +19 more
2022JAMA Surgery15 citations Open access
Semantic Scholar
Improving length of stay on a trauma service
W. Biffl, Ning Lu, P. Schultz, Jiayan Wang +2 more
2021Trauma Surgery & Acute Care Open14 citations Open access
Semantic Scholar
Trauma resource designation: an innovative approach to improving trauma system overtriage
G. Tominaga, Imad S. Dandan, K. Schaffer, Fady S. Nasrallah +2 more
2017Trauma Surgery & Acute Care Open13 citations Open access
Semantic Scholar
The coronavirus disease 2019 (COVID-19) stay-at-home order’s unequal effects on trauma volume by insurance status in Southern California
Eric O. Yeates, C. Juillard, A. Grigorian, M. Schellenberg +28 more
2021Surgery12 citations Open access
Semantic Scholar
A comparison of management and outcomes following blunt versus penetrating pancreatic trauma: A secondary analysis from the Western Trauma Association Multicenter Trials Group on Pancreatic Injuries
W. Biffl, C. Ball, Ernest E. Moore, Michael A. West +6 more
2022Journal of Trauma and Acute Care Surgery11 citations
Semantic Scholar
Modified Brain Injury Guidelines for preinjury anticoagulation in traumatic brain injury: An opportunity to reduce health care resource utilization
Shea Gallagher, Benedict A. Capacio, A. Rooney, K. Schaffer +7 more
2023Journal of Trauma and Acute Care Surgery10 citations
Semantic Scholar
Suicides at Work: Misclassification and Prevention Implications
J. Kraus, K. Schaffer, L. Chu, Thomas M. Rice
2005International journal of occupational and environmental health10 citations
Semantic Scholar
A western trauma association multicenter comparison of mesh versus non-mesh repair of blunt traumatic abdominal wall hernias.
K. Harrell, Arthur D Grimes, H. Gill, Jessica K. Reynolds +33 more
2023Injury9 citations
Semantic Scholar
Risk factors for recurrence in blunt traumatic abdominal wall hernias: A secondary analysis of a Western Trauma association multicenter study.
K. Harrell, Arthur D Grimes, H. Gill, Jessica K. Reynolds +33 more
2022American Journal of Surgery9 citations
Semantic Scholar
Predictors of fetal delivery in pregnant trauma patients: A multicenter study
Jeffrey W Santos, A. Grigorian, A. Lucas, Nicole M. Fierro +25 more
2023Journal of Trauma and Acute Care Surgery8 citations
Semantic Scholar
Significant variation in computed tomography imaging of pregnant trauma patients: a retrospective multicenter study
Alexa N. Lucas, E. Tay-Lasso, D. Zezoff, Nicole M. Fierro +24 more
2023Emergency Radiology7 citations Open access
Semantic Scholar
Outcomes for advanced aged (35 and older) versus younger aged pregnant trauma patients: A multicenter study.
Negaar Aryan, A. Grigorian, A. Lucas, E. Tay-Lasso +25 more
2023American Journal of Surgery7 citations Open access
Semantic Scholar
Don’t mess with the pancreas! A multicenter analysis of the management of low-grade pancreatic injuries
W. Biffl, C. Ball, E. Moore, Jason Lees +16 more
2021Journal of Trauma and Acute Care Surgery7 citations
Semantic Scholar
Factors associated with receipt of intracranial pressure monitoring in older adults with traumatic brain injury
Mira H Ghneim, Jennifer S. Albrecht, K. Brasel, Ariel W Knight +18 more
2021Trauma Surgery & Acute Care Open7 citations Open access
Semantic Scholar
Self-inflicted injury and the older trauma patient: a 20 year review of suicide attempts and outcomes
K. Schaffer, Tala H Dandan, Dunya Bayat, Matthew R. Castelo +3 more
2021European Geriatric Medicine7 citations Open access
Semantic Scholar
Bone Anchor Fixation in the Repair of Blunt Traumatic Abdominal Wall Hernias: A Western Trauma Association Multicenter Study
K. Harrell, Arthur D Grimes, H. Gill, Jessica K. Reynolds +33 more
2024The American surgeon6 citations
Semantic Scholar
Development and Validation of a Novel Hollow Viscus Injury Prediction Score for Abdominal Seatbelt Sign: A Pacific Coast Surgical Association Multicenter Study.
Jeffrey Santos, Patrick T. Delaplain, E. Tay-Lasso, W. Biffl +20 more
2023Journal of the American College of Surgeons6 citations
Semantic Scholar
Trauma resource pit stop: increasing efficiency in the evaluation of lower severity trauma patients
Imad S. Dandan, G. Tominaga, Frank Z. Zhao, K. Schaffer +5 more
2021Trauma Surgery & Acute Care Open5 citations Open access
Semantic Scholar
The Effect of 2019 Coronavirus Stay-at-Home Order on Geriatric Trauma Patients in Southern California
Morgan Manasa, Eric O. Yeates, A. Grigorian, C. Barrios +30 more
2023The American surgeon4 citations Open access
Semantic Scholar
Pain management on a trauma service: a crisis reveals opportunities
Sabina L. Schaffer, Dunya Bayat, W. Biffl, Jeffrey M. Smith +8 more
2022Trauma Surgery & Acute Care Open4 citations Open access
Semantic Scholar
Falls from a balcony while intoxicated: a new injury trend among young adults?
K. Schaffer, Gary Schwendig, Fady S. Nasrallah, Jiayan Wang +1 more
2019Injury Epidemiology4 citations Open access
Semantic Scholar
Contemporary management and outcomes of penetrating colon injuries: Validation of the 2020 AAST Colon Organ Injury Scale
Ahmad Zeineddin, G. Tominaga, M. Crandall, Mariana N. Almeida +20 more
2023Journal of Trauma and Acute Care Surgery3 citations Open access
Semantic Scholar
An Abdominal Seat Belt Sign is Associated With Similar Incidence of Hollow Viscus Injury but Increased In-Hospital Mortality in Older Adult Trauma Patients: A PCSA Multicenter Study
Brittany G. Sullivan, Patrick T. Delaplain, Morgan Manasa, E. Tay-Lasso +21 more
2024The American surgeon2 citations Open access
Semantic Scholar
EMPOWERING END-OF-LIFE CONVERSATIONS: The Role of Specialized Nursing Teams in Facilitating Code Status Changes at Discharge
Diane Wintz, K. Schaffer, Kelly Wright, Stacy Nilsen
2024Journal of Palliative Care2 citations
Semantic Scholar
GIFTS: Geriatric Intensive Functional Therapy Sessions—for the older trauma patient
Diane Wintz, K. Schaffer, Jennifer J Hites, Christopher Wybourn +5 more
2023Journal of Trauma and Acute Care Surgery2 citations
Semantic Scholar
Incidence and Outcomes of Pregnant Trauma Patients With Positive Urine Toxicology: A Southern California Multicenter Study
Isabel Clark, J. Nahmias, Mallory Jebbia, Negaar Aryan +27 more
2024The American surgeon1 citations Open access
Semantic Scholar

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