Niels A. Lassen

30.5k total citations · 11 hit papers
305 papers, 22.5k citations indexed

About

Niels A. Lassen is a scholar working on Neurology, Radiology, Nuclear Medicine and Imaging and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Niels A. Lassen has authored 305 papers receiving a total of 22.5k indexed citations (citations by other indexed papers that have themselves been cited), including 111 papers in Neurology, 74 papers in Radiology, Nuclear Medicine and Imaging and 50 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Niels A. Lassen's work include Traumatic Brain Injury and Neurovascular Disturbances (103 papers), Advanced MRI Techniques and Applications (39 papers) and Medical Imaging Techniques and Applications (31 papers). Niels A. Lassen is often cited by papers focused on Traumatic Brain Injury and Neurovascular Disturbances (103 papers), Advanced MRI Techniques and Applications (39 papers) and Medical Imaging Techniques and Applications (31 papers). Niels A. Lassen collaborates with scholars based in Denmark, United States and Sweden. Niels A. Lassen's co-authors include E Skinhöj, Olaf B. Paulson, Jes Olesen, David H. Ingvar, O. Munck, Per E. Roland, B. Larsen, Lars Friberg, Tom Skyhøj Olsen and Jens Astrup and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

Niels A. Lassen

298 papers receiving 20.4k citations

Hit Papers

5 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.

Cerebral Blood Flow and Oxygen Consumption in Man

1959 1.4k citations Niels A. Lassen profile →
Supplementary motor area and other cortical areas in organization of voluntary movements in man

1980 1.1k citations Niels A. Lassen, E Skinhöj et al. profile →
Cortical evoked potential and extracellular K+ and H+ at critical levels of brain ischemia.

1977 790 citations L. Symon, Niels A. Lassen et al. profile →
THE LUXURY-PERFUSION SYNDROME AND ITS POSSIBLE RELATION TO ACUTE METABOLIC ACIDOSIS LOCALISED WITHIN THE BRAIN

1966 673 citations Niels A. Lassen The Lancet profile →
Autoregulation of Brain Circulation in Severe Arterial Hypertension

1973 590 citations Svend Strandgaard, Jes Olesen et al. BMJ profile →
Nitric Oxide Synthase Inhibition and Cerebrovascular Regulation

1994 566 citations Dale A. Pelligrino, Niels A. Lassen et al. Journal of Cerebral Blood Flow & Metabolism profile →
Impaired autoregulation of cerebral blood flow in the distressed newborn infant

1979 473 citations Hans C. Lou, Niels A. Lassen et al. The Journal of Pediatrics profile →
Regional Cerebral Blood Flow in Man Determined by the Initial Slope of the Clearance of Intra-arterially Injected l33Xe

1971 423 citations Jes Olesen, Olaf B. Paulson et al. profile →
Brain Function and Blood Flow

1978 411 citations Niels A. Lassen, David H. Ingvar et al. profile →
MEASUREMENT OF BLOOD-FLOW THROUGH SKELETAL MUSCLE BY INTRAMUSCULAR INJECTION OF XENON-133

1964 384 citations Niels A. Lassen, O. Munck et al. The Lancet profile →
Tracer kinetic methods in medical physiology

1979 378 citations Niels A. Lassen, William Perl Raven Press eBooks profile →

Peers

Countries citing papers authored by Niels A. Lassen

Since Specialization

Citations

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

Fields of papers citing papers by Niels A. Lassen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Niels A. Lassen. 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 Niels A. Lassen. The network helps show where Niels A. Lassen may publish in the future.

Co-authorship network of co-authors of Niels A. Lassen

This figure shows the co-authorship network connecting the top 25 collaborators of Niels A. Lassen. A scholar is included among the top collaborators of Niels A. Lassen 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 Niels A. Lassen. Niels A. Lassen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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

20 of 20 papers shown

#	Work	Indexed citations
1	Middle cerebral artery blood velocity and plasma catecholamines during exercise 1996 ·Acta Physiologica Scandinavica ·Frank Pott, K. Jensen, Hans Christian Bruun Hansen, Niels Juel Christensen, Niels A. Lassen, Niels H. Secher	45
2	Comparison of the effects of NG-nitro-L-arginine and indomethacin on the hypercapnic cerebral blood flow increase in rats 1994 ·Brain Research ·Qiong Wang, Dale A. Pelligrino, Olaf B. Paulson, Niels A. Lassen	40
3	Hypercapnic vasodilatation in isolated rat basilar arteries is exerted via low pH and does not involve nitric oxide synthase stimulation or cyclic GMP production 1994 ·Acta Physiologica Scandinavica ·(unknown), (unknown), (unknown), Inger Jansen‐Olesen, Olaf B. Paulson, Niels A. Lassen, Lars Edvinsson	39
4	Average Blood Flow and Oxygen Uptake in the Human Brain during Resting Wakefulness: A Critical Appraisal of the Kety—Schmidt Technique 1993 ·Journal of Cerebral Blood Flow & Metabolism ·Peter Lund Madsen, Søren Holm, Margrethe Herning, Niels A. Lassen	99
5	Effect of Nitric Oxide Blockade by N^G-Nitro-l-Arginine on Cerebral Blood Flow Response to Changes in Carbon Dioxide Tension 1992 ·Journal of Cerebral Blood Flow & Metabolism ·Qiong Wang, Olaf B. Paulson, Niels A. Lassen	135
6	EFFECT OF CARBON DIOXIDE IN ACUTE MOUNTAIN SICKNESS: A REDISCOVERY 1988 ·The Lancet ·Tim Harvey, M H Winterborn, Niels A. Lassen, M. E. Raichle, (unknown), N.V. Richardson, A.R. Bradwell	31
7	SPECT in partial epilepsy: Identifying side of the focus 1988 ·Acta Neurologica Scandinavica ·Andreas Andersen, L. F. Gram, Lasse Kjær, Anders Fuglsang‐Frederiksen, Margrethe Herning, Niels A. Lassen, M. Dam	13
8	Pénombre et ischémie cérébrale 1986 ·Niels A. Lassen, L. Symon, (unknown)	1
9	Tracer kinetic methods in medical physiology breakdown → 1979 ·Raven Press eBooks ·Niels A. Lassen, William Perl	378
10	Impaired autoregulation of cerebral blood flow in the distressed newborn infant breakdown → 1979 ·The Journal of Pediatrics ·Hans C. Lou, Niels A. Lassen, (unknown)	473
11	Lung density: clinical method for quantitation of pulmonary congestion and edema. 1977 ·PubMed Central ·E.S. Garnett, Colin E. Webber, Geoffrey Coates, W. Peter Cockshott, Claude Nahmias, Niels A. Lassen	26
12	Cerebral ischaemia 1977 ·Intensive Care Medicine ·Niels A. Lassen	0
13	Cerebral function metabolism and circulation 1977 ·Munksgaard eBooks ·David H. Ingvar, Niels A. Lassen	110
14	Intra-Arterial Infusion of Prostaglandin E ₁ in Normal Subjects and Patients with Peripheral Arterial Disease 1976 ·Scandinavian Journal of Clinical and Laboratory Investigation ·P. E. Nielsen, Steen Nielsen, P. Holstein, (unknown), (unknown), Niels A. Lassen	21
15	Autoregulation of Brain Circulation in Severe Arterial Hypertension breakdown → 1973 ·BMJ ·Svend Strandgaard, Jes Olesen, E Skinhöj, Niels A. Lassen	590
16	CONSERVATIVE TREATMENT OF GANGRENE USING MINERALOCORTICOID-INDUCED MODERATE HYPERTENSION 1968 ·The Lancet ·Niels A. Lassen, (unknown), (unknown), T Hallböök, I Dähn, R. Nilsén, H. Westling	34
17	EFFECT OF DAILY MUSCULAR EXERCISE IN PATIENTS WITH INTERMITTENT CLAUDICATION 1966 ·The Lancet ·(unknown), Niels A. Lassen	233
18	TREATMENT OF FOCAL CEREBRAL ISCHEMIA WITH HYPERBARIC OXYGEN 1965 ·Acta Neurologica Scandinavica ·David H. Ingvar, Niels A. Lassen	38
19	MEASUREMENT OF BLOOD-FLOW THROUGH UTERINE MUSCLE BY LOCAL INJECTION OF 133XENON 1964 ·The Lancet ·O. Munck, (unknown), (unknown), (unknown), Niels A. Lassen	25
20	TREATMENT OF SEVERE ACUTE BARBITURATE POISONING BY FORCED DIURESIS AND ALKALINISATION OF THE URINE 1960 ·The Lancet ·Niels A. Lassen	43

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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