Evidence map›Paper›PMID 16434427›Full record

Trial reportGut2006

Endothelin-1 contributes to maintenance of systemic but not portal haemodynamics in patients with early cirrhosis: a randomised controlled trial.

D Tripathi, G Therapondos, J W Ferguson, D E Newby, D J Webb, P C Hayes

Open access · bronzeAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Gut, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.6field-weighted citation impact, top 17% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 42 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. Review
  5. Review
  6. Review
  7. Review
  8. Endothelin-1 in portal hypertension: The intricate role of hepatic stellate cells.Experimental biology and medicine (Maywood, N.J.) · 2020
    Review
  9. Article
  10. Advances in therapeutic options for portal hypertension.Therapeutic advances in gastroenterology · 2018
    Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Pathophysiology of portal hypertension and its clinical links.Journal of clinical and experimental hepatology · 2011
    Review
  17. Endothelin and hepatic wound healing.Pharmacological research · 2011
    Review
  18. Article
  19. Article
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

D TripathiDepartment of Hepatology, Royal Infirmary, 51 Little France Crescent, Edinburgh EH16 4SU, UK. tdrdhir@aol.com
G Therapondos
J W Ferguson
D E Newby
D J Webb
P C Hayes
Edinburgh Royal Infirmary · GBWestern General Hospital · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

BACKGROUND AND

aimsIncreased endothelin (ET)-1 activity may contribute to the complications of cirrhosis and portal hypertension. The aim of this study was to assess the systemic and portal haemodynamic effects of selective ET-A and ET-B receptor antagonism in patients with cirrhosis.

methodsSixteen patients with cirrhosis and portal hypertension (aged 52 (1) years, Pugh score 6.2 (0.3)) underwent 24 studies with infusions of: (A) selective ET-A antagonist, BQ-123 (n = 8), at 1000 and 3000 nmol/min; (B) selective ET-B antagonist, BQ-788 (n = 8), at 100 and 300 nmol/min; or (C) matched saline placebo (n = 8) in a double blind randomised manner. Haemodynamic measurements were performed through pulmonary artery, hepatic venous, and femoral artery catheters.

resultsBaseline patient characteristics were well matched. Compared with placebo, BQ-123 decreased mean arterial pressure (MAP -15 (11) mm Hg (-18%); p<0.02) and pulmonary vascular resistance index (PVRI -81 (54) dyn x s x m2/cm5 (-64%); p<0.05), with no effect on hepatic venous pressure gradient (HVPG), cardiac index (CI), or systemic vascular resistance index (SVRI). Compared with placebo, BQ-788 increased MAP (+11 (3) mm Hg (+12%); p<0.03) and SVRI (+1101 (709) dyn x s x m2/cm5 (+50%); p<0.05), reduced CI (-1.0 (0.4) l/min/m2 (-29%); p = 0.05) with no effect on HVPG or PVRI.

conclusionsET-1 contributes to maintenance of systemic and pulmonary haemodynamics without acutely affecting HVPG in patients with early cirrhosis. In this group of patients, the use of selective ET-A and ET-B antagonists for the management of variceal haemorrhage is likely to be limited.

Indexed as

HemodynamicsAdultAgedDouble-Blind MethodEndothelin-1Endothelin A Receptor AntagonistsEndothelin B Receptor AntagonistsFemaleHumansHypertension, PortalLiver CirculationLiver CirrhosisMaleMiddle AgedOligopeptidesPeptides, CyclicBQ 788cyclo(Trp-Asp-Pro-Val-Leu)Endothelin-1Endothelin A Receptor AntagonistsEndothelin B Receptor AntagonistsOligopeptidesPeptides, CyclicPiperidines

Identifiers

PMID16434427
PMCPMC1860020
OpenAlexW2146040830

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.