Evidence map›Paper›PMID 25976762›Full record

ArticleBMJ open2015

Time-varying impact of comorbidities on mortality after liver transplantation: a national cohort study using linked clinical and administrative data.

Chutwichai Tovikkai, Susan C Charman, Raaj K Praseedom, Alexander E Gimson, Jan van der Meulen

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 2 pooled it
2.8field-weighted citation impact, top 9% 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

27 citing papers in PubMed, 2 syntheses or guidelines pooled it, 68 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Mortality among solid organ transplant recipients with a pretransplant cancer diagnosis.American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · 2023
    Article
  13. Article
  14. Article
  15. Review
  16. Review
  17. Article
  18. Coronary Artery Disease Assessment During Evaluation for Liver Transplantation: How Much Does It Matter?Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society · 2022
    Article
  19. Review
  20. The liver transplant risk score prognosticates the outcomes of liver transplant recipients at listing.HPB : the official journal of the International Hepato Pancreato Biliary Association · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 4 institutions in 1 country.

Chutwichai TovikkaiClinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK Department of Surgery, University of Cambridge, Cambridge, UK.
Susan C CharmanClinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, UK.
Raaj K PraseedomDepartment of Surgery, University of Cambridge, Cambridge, UK Liver Transplant Unit, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
Alexander E GimsonLiver Transplant Unit, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
Jan van der MeulenClinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, UK.
London School of Hygiene & Tropical Medicine · GBAddenbrooke's Hospital · GBCambridge University Hospitals NHS Foundation Trust · GBRoyal College of Surgeons of England · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveWe assessed the impact of comorbidity on mortality in three periods after liver transplantation (first 90 days, 90 days-5 years and 5-10 years).

designProspective cohort study using records from the UK Liver Transplant Audit (UKLTA) linked to Hospital Episode Statistics (HES), an administrative database of hospital admissions in the English National Health Service (NHS). Comorbidities relevant for liver transplantation were identified from the 10th revision of the International Classification of Diseases (ICD-10) codes in HES records of admissions in the year preceding their operation. Multivariable Cox regression was used to estimate HRs for three different time periods after liver transplantation.

settingAll liver transplant centres in the NHS hospitals in England.

participantsAdults who received a first elective liver transplant between April 1997 and March 2010 in the linked UKLTA-HES database. OUTCOMES: Patient mortality in three different time periods after transplantation.

resultsAmong 3837 recipients, 45.1% had comorbidities. Recipients with cardiovascular disease had statistically significantly higher mortality in all three periods after transplantation (first 90 days: HR=2.0; 95% CI 1.4 to 2.9, 90 days-5 years: 1.6; 1.2 to 2.2, beyond 5 years: 2.8; 1.7 to 4.4). Prior congestive cardiac failure (3.2; 2.1 to 4.9) significantly increased mortality only in the first 90 days. History of non-hepatic malignancy appeared to increase risk over all periods, but significantly only in the first 90 days (1.9; 1.0 to 3.6). A diagnosis of connective tissue disease, dementia, diabetes, chronic pulmonary and renal disease did not have a significant impact on mortality in any period.

conclusionsThe impact of comorbidities present at the time of transplantation changes with time after transplantation. Renal disease, pulmonary disease and diabetes had no impact on mortality in contrast to previous reports.

Indexed as

Hospital MortalityAdultComorbidityDatabases, FactualFemaleHumansLiver DiseasesLiver TransplantationMaleMiddle AgedProspective StudiesState MedicineTime FactorsUnited KingdomCARDIOLOGYDIABETES & ENDOCRINOLOGYONCOLOGYTRANSPLANT MEDICINETRANSPLANT SURGERY

Identifiers

PMID25976762
PMCPMC4442248
OpenAlexW1922117946

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.