Search Results - "Copenhaver, Martin S."

Evaluation and implementation of a Just-In-Time bed-assignment strategy to reduce wait times for surgical inpatients by Braaksma, Aleida, Copenhaver, Martin S., Zenteno, Ana C., Ugarph, Elizabeth, Levi, Retsef, Daily, Bethany J., Orcutt, Benjamin, Turcotte, Kathryn M., Dunn, Peter F.

“…Early bed assignments of elective surgical patients can be a useful planning tool for hospital staff; they provide certainty in patient placement and allow…”
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Characterization of the equivalence of robustification and regularization in linear and matrix regression by Bertsimas, Dimitris, Copenhaver, Martin S.

“…•We characterize the connection between robust optimization and regularization.•We extend the characterization to new settings such as matrix…”
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Forecasting hospital-level COVID-19 admissions using real-time mobility data by Klein, Brennan, Zenteno, Ana C., Joseph, Daisha, Zahedi, Mohammadmehdi, Hu, Michael, Copenhaver, Martin S., Kraemer, Moritz U. G., Chinazzi, Matteo, Klompas, Michael, Vespignani, Alessandro, Scarpino, Samuel V., Salmasian, Hojjat

“…Background For each of the COVID-19 pandemic waves, hospitals have had to plan for deploying surge capacity and resources to manage large but transient…”
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Impact of Emergency Department Crowding on Discharged Patient Experience by Berlyand, Yosef, Copenhaver, Martin S, White, Benjamin A, Dutta, Sayon, Baugh, Joshua J, Wilcox, Susan R, Yun, Brian J, Raja, Ali S, Sonis, Jonathan D

“…While emergency department (ED) crowding has deleterious effects on patient care outcomes and operational efficiency, impacts on the experience for patients…”
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Effect of Automated Real-Time Feedback on Early-Sepsis Care: A Pragmatic Clinical Trial by Leisman, Daniel E, Deng, Hao, Lee, Andy H, Flynn, Micah H, Rutkey, Hayley, Copenhaver, Martin S, Gay, Elizabeth A, Dutta, Sayon, McEvoy, Dustin S, Dunham, Lisette N, Mort, Elizabeth A, Lucier, David J, Sonis, Jonathan D, Aaronson, Emily L, Hibbert, Kathryn A, Safavi, Kyan C

“…To determine if a real-time monitoring system with automated clinician alerts improves 3-hour sepsis bundle adherence. Prospective, pragmatic clinical trial…”
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Impact of a hospital policy to redistribute admission flow across clinical services for capacity relief during COVID‐19 surges by Safavi, Kyan C., Copenhaver, Martin S., Moore, Amber, Bravard, Marjory A., Britton, O'Neil, Dunn, Peter

“…Background Increased hospital admissions due to COVID‐19 place a disproportionate strain on inpatient general medicine service (GMS) capacity compared to other…”
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Fewer emergency department alarms is associated with reduced use of medications for acute agitation by Lee, Andy Hung-Yi, Lowe, Patrick P., Hayes, Jane M., Copenhaver, Martin S., Cash, Rebecca E., Aristizabal, Maria, Berlyand, Yosef, Baugh, Joshua J., Nentwich, Lauren M., Macias-Konstantopoulos, Wendy L., Raja, Ali S., Sonis, Jonathan D.

“…Patient monitoring systems provide critical information but often produce loud, frequent alarms that worsen patient agitation and stress. This may increase the…”
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A successful campaign to increase use of the sepsis order set in the emergency department by Berlyand, Yosef, Black, Lauren, Lee, Andy Hung-Yi, Aaronson, Emily L., Copenhaver, Martin S., Filbin, Michael R., Mort, Elizabeth A., Dutta, Sayon, Rhee, Chanu, Hibbert, Kathryn A., Turno, Douglas-Jarrett Cole, Durocher, Kara E., Aristizabal, Maria E., Sonis, Jonathan D.

“…Standardizing and improving sepsis treatment has become a priority of hospital leaders nationwide [7]. Per a patient-level logistic regression model estimating…”
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Implementation of the Vocera Communication System in a Quaternary Perioperative Environment by Friend, Tynan H., Jennings, Samantha J., Copenhaver, Martin S., Levine, Wilton C.

“…In the hospital, fast and efficient communication among clinicians and other employees is paramount to ensure optimal patient care, workflow efficiency,…”
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Maximum robustness and surgery of frames in finite dimensions by Copenhaver, Martin S., Kim, Yeon Hyang, Logan, Cortney, Mayfield, Kyanne, Narayan, Sivaram K., Sheperd, Jonathan

“…We consider frames in a finite-dimensional Hilbert space Hn where frames are exactly the spanning sets of the vector space. We present a method to determine…”
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On structural decompositions of finite frames by Chan, Alice Z.-Y., Copenhaver, Martin S., Narayan, Sivaram K., Stokols, Logan, Theobold, Allison

“…A frame in an n -dimensional Hilbert space H n is a possibly redundant collection of vectors { f i } i ∈ I that span the space. A tight frame is a…”
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Improving operating room and surgical instrumentation efficiency, safety, and communication via the implementation of emergency laparoscopic cholecystectomy and appendectomy conversion case carts by Copenhaver, Martin S., Friend, Tynan H., Fitzgerald-Brown, Courtney, Fernandez, Mario, Addesa, Michael, Cassidy, James, Rosa, Mark, Ouellette, Jane, Plunkett, Janice, Spracklin, Dale, Osgood, Patrice, Zenteno Langle, Ana Cecilia, Levine, Wilton C.

“…In the perioperative environment, communication, safety, and efficiency are paramount to ensure the effective delivery of patient care. Often overlooked,…”
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The Trimmed Lasso: Sparsity and Robustness by Bertsimas, Dimitris, Copenhaver, Martin S, Mazumder, Rahul

“…Nonconvex penalty methods for sparse modeling in linear regression have been a topic of fervent interest in recent years. Herein, we study a family of…”
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Characterization of the equivalence of robustification and regularization in linear and matrix regression by Bertsimas, Dimitris, Copenhaver, Martin S

“…The notion of developing statistical methods in machine learning which are robust to adversarial perturbations in the underlying data has been the subject of…”
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Certifiably Optimal Low Rank Factor Analysis by Bertsimas, Dimitris, Copenhaver, Martin S, Mazumder, Rahul

“…JMLR 18(29) (2017) Factor Analysis (FA) is a technique of fundamental importance that is widely used in classical and modern multivariate statistics,…”
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On Structural Decompositions of Finite Frames by Chan, Alice Z. -Y, Copenhaver, Martin S, Narayan, Sivaram K, Stokols, Logan, Theobold, Allison

“…A frame in an $n$-dimensional Hilbert space $H_n$ is a possibly redundant collection of vectors $\{f_i\}_{i\in I}$ that span the space. A tight frame is a…”
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Maximum Robustness and Surgery of Frames in finite dimensions by Copenhaver, Martin S, Kim, Yeon Hyang, Logan, Cortney, Mayfield, Kyanne, Narayan, Sivaram K, Sheperd, Jonathan

“…We consider frames in a finite-dimensional Hilbert space Hn where frames are exactly the spanning sets of the vector space. We present a method to determine…”
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Factor posets of frames and dual frames in finite dimensions by Berry, Kileen, Copenhaver, Martin S, Evert, Eric, Kim, Yeon Hyang, Klingler, Troy, Narayan, Sivaram K, Nghiem, Son T

“…Involve 9 (2016) 237-248 We consider frames in a finite-dimensional Hilbert space where frames are exactly the spanning sets of the vector space. A factor…”
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Diagram vectors and Tight Frame Scaling in Finite Dimensions by Copenhaver, Martin S, Kim, Yeon Hyang, Logan, Cortney, Mayfield, Kyanne, Narayan, Sivaram K, Petro, Matthew J, Sheperd, Jonathan

“…We consider frames in a finite-dimensional Hilbert space Hn where frames are exactly the spanning sets of the vector space. The diagram vector of a vector in…”
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