Kaj Groundstroem

1.5k total citations · 1 hit paper
38 papers, 1.1k citations indexed

About

Kaj Groundstroem is a scholar working on Cardiology and Cardiovascular Medicine, Epidemiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Kaj Groundstroem has authored 38 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Cardiology and Cardiovascular Medicine, 11 papers in Epidemiology and 10 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Kaj Groundstroem's work include Cardiovascular Function and Risk Factors (15 papers), Cardiac Imaging and Diagnostics (9 papers) and Cardiac Valve Diseases and Treatments (7 papers). Kaj Groundstroem is often cited by papers focused on Cardiovascular Function and Risk Factors (15 papers), Cardiac Imaging and Diagnostics (9 papers) and Cardiac Valve Diseases and Treatments (7 papers). Kaj Groundstroem collaborates with scholars based in Finland, United Kingdom and Russia. Kaj Groundstroem's co-authors include Keith A.A. Fox, W.N. McDicken, Alan Fleming, Lynn Fenn, Michael J. Stewart, Carmel M. Moran, George R. Sutherland, R. A. Riemersma, Heini Huhtala and Antti Loimaala and has published in prestigious journals such as The American Journal of Medicine, European Heart Journal and The American Journal of Cardiology.

In The Last Decade

Kaj Groundstroem

37 papers receiving 1.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Color Doppler Myocardial Imaging: A New Technique for the Assessment of Myocardial function

1994 481 citations George R. Sutherland, Michael J. Stewart et al. Journal of the American Society of Echocardiography profile →

Peers

Kaj Groundstroem

CCM

RNMI

PRM

SURGE

EPIDE

Neal W. Salomon United States

Dennis A. Bloomfield United States

Abner Golden United States

N Alessandri Italy

Mustafa Tuncer Türkiye

Marvin A. Kaplan United States

Heinrich Kreuzer Germany

John R. Tobin United States

P. L. Wahi India

Dawei Liu China

Neal W. Salomon United States

Kaj Groundstroem

704 ×1.0

CCM

89 ×0.2

RNMI

236 ×1.7

PRM

575 ×4.1

SURGE

206 ×1.5

EPIDE

Citations per year, relative to Kaj Groundstroem Kaj Groundstroem (= 1×) peers Neal W. Salomon

Countries citing papers authored by Kaj Groundstroem

Since Specialization

Citations

This map shows the geographic impact of Kaj Groundstroem'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 Kaj Groundstroem with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kaj Groundstroem more than expected).

Fields of papers citing papers by Kaj Groundstroem

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kaj Groundstroem. 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 Kaj Groundstroem. The network helps show where Kaj Groundstroem may publish in the future.

Co-authorship network of co-authors of Kaj Groundstroem

This figure shows the co-authorship network connecting the top 25 collaborators of Kaj Groundstroem. A scholar is included among the top collaborators of Kaj Groundstroem based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kaj Groundstroem. Kaj Groundstroem is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Salonen, Iiris, et al.. (2012). Exhaled nitric oxide and atherosclerosis. European Journal of Clinical Investigation. 42(8). 873–880. 16 indexed citations

Loimaala, Antti, Kaj Groundstroem, Marjo Rinne, et al.. (2009). Effect of Long-Term Endurance and Strength Training on Metabolic Control and Arterial Elasticity in Patients With Type 2 Diabetes Mellitus. The American Journal of Cardiology. 103(7). 972–977. 73 indexed citations

Mäkelä, Satu, Ilpo Ala‐Houhala, Kaj Groundstroem, et al.. (2008). More than half of the patients with acute Puumala hantavirus infection have abnormal cardiac findings. Scandinavian Journal of Infectious Diseases. 41(1). 57–62. 30 indexed citations

Loimaala, Antti, Kaj Groundstroem, Marjo Rinne, et al.. (2007). Exercise training does not improve myocardial diastolic tissue velocities in Type 2 diabetes. Cardiovascular Ultrasound. 5(1). 32–32. 34 indexed citations

Groundstroem, Kaj. (2004). [Diastolic dysfunction of the heart].. PubMed. 120(21). 2527–33. 1 indexed citations

Lumio, Jukka, et al.. (2004). Electrocardiographic abnormalities in patients with diphtheria: a prospective study. The American Journal of Medicine. 116(2). 78–83. 16 indexed citations

Leskinen, Yrjö, Kaj Groundstroem, Vesa Virtanen, et al.. (2003). Risk factors for aortic atherosclerosis determined by transesophageal echocardiography in patients with CRF. American Journal of Kidney Diseases. 42(2). 277–285. 5 indexed citations

Groundstroem, Kaj, Tiina Iivainen, Jorma Lahtela, et al.. (2003). Natriuretic peptide and echocardiography after operation of atrial septal defect. International Journal of Cardiology. 89(1). 45–52. 2 indexed citations

Virtanen, Vesa, Heikki Saha, Kaj Groundstroem, Jorma Salmi, & Amos Pasternack. (2001). Thyroid Hormone Substitution Therapy Rapidly Enhances Left-Ventricular Diastolic Function in Hypothyroid Patients. Cardiology. 96(2). 59–64. 21 indexed citations

10.

Lumio, Jukka, et al.. (2001). Epidemiology of Three Cases of Severe Diphtheria in Finnish Patients with Low Antitoxin Antibody Levels. European Journal of Clinical Microbiology & Infectious Diseases. 20(10). 705–710. 6 indexed citations

11.

Groundstroem, Kaj. (1999). Late postoperative follow-up of ostium secundum defect. European Heart Journal. 20(12). 904–909. 6 indexed citations

12.

Loimaala, Antti, Kaj Groundstroem, Matti Pasanen, Pekka Oja, & I. Vuori. (1999). Comparison of bicycle, heavy isometric, dipyridamole-atropine and dobutamine stress echocardiography for diagnosis of myocardial ischemia. The American Journal of Cardiology. 84(12). 1396–1400. 19 indexed citations

13.

Virtanen, Vesa, et al.. (1998). Calcium infusion and left ventricular diastolic function in patients with chronic renal failure.. Nephrology Dialysis Transplantation. 13(2). 384–388. 19 indexed citations

14.

Lumio, Jukka, et al.. (1997). Fatal respiratory tract diphtheria apparently caused by nontoxigenic strains ofCorynebacterium diphtheriae. European Journal of Clinical Microbiology & Infectious Diseases. 16(11). 816–820. 5 indexed citations

15.

Lumio, Jukka, et al.. (1996). Diphtheria Outbreak in St. Petersburg: Clinical Characteristics of 1,860 Adult Patients. Scandinavian Journal of Infectious Diseases. 28(1). 37–40. 32 indexed citations

16.

Groundstroem, Kaj, Gábor Molnár, & Jukka Lumio. (1996). Echocardiographic Follow-Up of Diphtheric Myocarditis. Cardiology. 87(1). 79–81. 4 indexed citations

17.

Sutherland, George R., Michael J. Stewart, Kaj Groundstroem, et al.. (1994). Color Doppler Myocardial Imaging: A New Technique for the Assessment of Myocardial function. Journal of the American Society of Echocardiography. 7(5). 441–458. 481 indexed citations breakdown →

18.

Hoffmań, Piotr, Oliver Stümper, Kaj Groundstroem, & George R. Sutherland. (1993). The Transesophageal Echocardiographic Features of Double-Orifice Left Atrioventricular Valve. Journal of the American Society of Echocardiography. 6(1). 94–100. 15 indexed citations

19.

Groundstroem, Kaj, Heikki V. Huikuri, Ulla R. Korhonen, et al.. (1990). Isometric exercise testing and echocardiography at rest in aortic valve incompetence. Nuclear Medicine Communications. 11(4). 279–288. 1 indexed citations

20.

Niemelä, Mika, Juhani Airaksinen, Markku J. Ikäheimo, et al.. (1989). Impaired parasympathetic control of heart rate after myocardiol infarction. International Journal of Cardiology. 24(3). 305–309. 10 indexed citations

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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