Andrew A. Kramer

9.7k citations

92 papers · 6.6k indexed · 3 hit papers · h-index 38

Impact in

Critical Care and Intensive Care Medicine top 0.2%
- Intensive Care Unit Cognitive Disorders
Emergency Medicine top 0.1%
- Emergency and Acute Care Studies
- Cardiac Arrest and Resuscitation

Papers in

Emergency Medicine 30
- Emergency and Acute Care Studies 24
- Cardiac Arrest and Resuscitation 5
Critical Care and Intensive Care Medicine 10
- Intensive Care Unit Cognitive Disorders 10

Co-authors: Jack E. Zimmerman Douglas McNair Jeremy M. Kahn Thomas L. Higgins Gordon D. Rubenfeld William A. Knaus Hannah Wunsch Gari D. Clifford
Journals: Critical Care Medicine (31 papers)CHEST Journal (6 papers)American Journal of Epidemiology (3 papers)Journal of Surgical Research (2 papers)Current Opinion in Critical Care (2 papers)
Partner nations: United States Canada United Kingdom

In The Last Decade

Andrew A. Kramer

90 papers receiving 6.4k citations

Hit Papers

align trajectories log scale

Changes in hospital mortality for United States intensive care unit admissions from 1988 to 2012 2013 · 347 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2013 Critical Care
2007 Critical Care Medicine
2006 Critical Care Medicine

Peers

Replace Jan Michael Zimmermann with:

Jan Michael Zimmermann Switzerland

Carl Sirio United States

Damon C. Scales Canada

Philipp Metnitz Austria

J. R. Le Gall France

Ognjen Gajic United States

Colin R. Cooke United States

Michael D. Howell United States

Bekele Afessa United States

Henry E. Wang United States

Andrew A. Kramer relative to Jan Michael Zimmermann Switzerland Jan Michael Zimmermann's profile →

Citations per field

00.5×1.5×

Jan Michael Zimmermann · 1×

×0.6 1k/2k

CCICM

×1.2 2k/2k

EM

×0.8 3k/4k

EPIDE

×1.1 387/346

RUT

×0.7 440/675

NEPHR

Citations per year

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2026

Countries citing papers authored by Andrew A. Kramer

Since Specialization

Citations

This map shows the geographic impact of Andrew A. Kramer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Andrew A. Kramer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrew A. Kramer more than expected).

Fields of papers citing papers by Andrew A. Kramer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew A. Kramer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Andrew A. Kramer. The network helps show where Andrew A. Kramer may publish in the future.

Co-authors

The 25 scholars most cited alongside Andrew A. Kramer, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Andrew A. Kramer Line = papers co-authored together Andrew A. Kramer links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Diagnostic Utility of Liver Biopsy in Persistent Unexplained Liver Enzyme Elevation: A Retrospective Cohort Study JGH Open ·Eny Pujiati, Andrew A. Kramer, 弘光小岩井, Albrecht Neeße, Volker Ellenrieder, Ahmad Amanzada, Philipp Ströbel, Felix Bremmer, Golo Petzold	2025	0
2	A continuously updated predictive analytics model for the timely detection of critically ill patients with a high risk of mortality Medical Research Archives ·Andrew A. Kramer	2019	4
3	A review of early warning systems for prompt detection of patients at risk for clinical decline The Journal of Trauma: Injury, Infection, and Critical Care ·Andrew A. Kramer, Frank Sebat, Matthew Lissauer	2019	36
4	A novel method using vital signs information for assistance in making a discharge decision from the intensive care unit: identification of those patients at highest risk of mortality on the floor or discharge to a hospice Medical Research Archives ·Andrew A. Kramer	2017	2
5	Data preprocessing and mortality prediction: The Physionet/CinC 2012 challenge revisited Computing in Cardiology Conference ·Jim Douglas, Andrew A. Kramer, Gari D. Clifford	2014	13
6	A history of outcome prediction in the ICU Current Opinion in Critical Care ·Jack E. Zimmerman, Andrew A. Kramer	2014	30
7	Comparing Observed and Predicted Mortality Among ICUs Using Different Prognostic Systems Critical Care Medicine ·Andrew A. Kramer, Thomas L. Higgins, Jack E. Zimmerman	2014	29
8	Variation of Arterial and Central Venous Catheter Use in United States Intensive Care Units Anesthesiology ·Hayley B. Gershengorn, Allan Garland, Andrew A. Kramer, Damon C. Scales, Gordon D. Rubenfeld, Hannah Wunsch	2013	72
9	Institutional variations in frequency of discharge of elderly intensive care survivors to postacute care facilities Critical Care Medicine ·Andrew A. Kramer, Jack E. Zimmerman	2010	5
10	Effect of work-hours regulations on intensive care unit mortality in United States teaching hospitals* Critical Care Medicine ·Jonathan Ben-Dov, Theodore J. Iwashyna, Jason D. Christie, Andrew A. Kramer, Jeffrey H. Silber, Kevin G. Volpp, Jeremy M. Kahn	2009	39
11	Critical Illness Outcomes in Specialty versus General Intensive Care Units American Journal of Respiratory and Critical Care Medicine ·Jason P. Lott, Theodore J. Iwashyna, Jason D. Christie, David A. Asch, Andrew A. Kramer, Jeremy M. Kahn	2009	84
12	Intensive care unit occupancy and patient outcomes* Critical Care Medicine ·Theodore J. Iwashyna, Andrew A. Kramer, Jeremy M. Kahn	2009	72
13	Inter-hospital variability in post-cardiac arrest mortality Resuscitation ·Brendan G. Carr, Jeremy M. Kahn, Raina M. Merchant, Andrew A. Kramer, Robert W. Neumar	2008	170
14	Assessing contemporary intensive care unit outcome: An updated Mortality Probability Admission Model (MPM0-III)* Critical Care Medicine ·Thomas L. Higgins, Daniel Teres, Wayne S. Copes, Brian H. Nathanson, Maureen Stark, Andrew A. Kramer	2007	243
15	Transferring Critically Ill Patients Out of Hospital Improves the Standardized Mortality Ratio CHEST Journal ·Jeremy M. Kahn, Andrew A. Kramer, Gordon D. Rubenfeld	2007	68
16	MORTALITY PROBABILITY MODELS (MPM0-III) FOR SPECIALIZED PATIENT POPULATIONS CHEST Journal ·Brian H. Nathanson, Wayne S. Copes, Maureen Stark, Andrew A. Kramer, Daniel Teres, Thomas L. Higgins	2005	2
17	ACUTE PHYSIOLOGY AND CHRONIC HEALTH EVALUATION (APACHE)IV ICU LENGTH OF STAY BENCHMARKS FOR TODAY'S CRITICALLY ILL PATIENTS CHEST Journal ·Jack E. Zimmerman, Andrew A. Kramer, Douglas McNair, Kivanc Yalin	2005	4
18	UPDATED MORTALITY PROBABILITY MODEL (MPM -III) CHEST Journal ·Thomas L. Higgins, Daniel Teres, Wayne S. Copes, Brian H. Nathanson, Maureen Stark, Andrew A. Kramer	2005	16
19	Renal ischemia/reperfusion leads to macrophage-mediated increase in pulmonary vascular permeability Kidney International ·Andrew A. Kramer, 有美子戸津, Khaled F. Salhab, Congliang Sun, Larry C. Carey, Hamid Rabb	1999	214
20	Familial aggregation of congenital dislocation of the hip in a Norwegian population Journal of Clinical Epidemiology ·Andrew A. Kramer, Kåre Berg, W. E. Nance	1988	23

About Andrew A. Kramer

Andrew A. Kramer is a scholar working on Emergency Medicine, Critical Care and Intensive Care Medicine, Epidemiology, Radiological and Ultrasound Technology and Family Practice, having authored 92 papers that have together received 6.6k indexed citations. Recurring topics across this work include Sepsis Diagnosis and Treatment (46 papers), Emergency and Acute Care Studies (24 papers), Respiratory Support and Mechanisms (13 papers), Hemodynamic Monitoring and Therapy (12 papers), Cardiac, Anesthesia and Surgical Outcomes (11 papers), Intensive Care Unit Cognitive Disorders (10 papers), Machine Learning in Healthcare (9 papers) and Cardiac Arrest and Resuscitation (5 papers). The work is most often cited by research in Critical Care and Intensive Care Medicine (1.2k citations), Emergency Medicine (2.0k citations), Epidemiology (2.9k citations), Radiological and Ultrasound Technology (387 citations) and Nephrology (440 citations). Andrew A. Kramer has collaborated with scholars based in United States, Canada and United Kingdom. Frequent co-authors include Jack E. Zimmerman, Douglas McNair, Jeremy M. Kahn, Thomas L. Higgins, Gordon D. Rubenfeld, William A. Knaus, Hannah Wunsch, Gari D. Clifford, Alistair E. W. Johnson and Maureen Stark. Their work appears in journals such as Critical Care Medicine, CHEST Journal, American Journal of Epidemiology, Journal of Surgical Research and Current Opinion in Critical Care.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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