Evidence map›Paper›PMID 39694608›Full record

ArticleCanadian journal of surgery. Journal canadien de chirurgie

Analyzing the temporal trends of kidney transplantation surgeries and their impact on warm and cold ischemia time in a Canadian setting.

Ali Dergham, Luke Witherspoon, Joseph Y Nashed, Thomas Skinner, Liam Power, John Mahoney, Brian Blew, Jeffrey T Warren

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Canadian journal of surgery. Journal canadien de chirurgie. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

8 authors.

Ali DerghamFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Luke WitherspoonFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Joseph Y NashedFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Thomas SkinnerFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Liam PowerFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power) liampower@dal.ca.
John MahoneyFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Brian BlewFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).
Jeffrey T WarrenFrom the Division of Urology, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ont. (Dergham, Witherspoon, Mahoney, Blew, Warren); the Department of Urology, Queen's University, Kingston, Ont. (Nashed, Skinner); the Department of Urology, Dalhousie University, Halifax, N.S. (Power).

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe effect of weekend admission and surgery on patient morbidity and mortality has been studied in many settings and has been shown to lead to worse outcomes. Several studies have sought to determine whether there is a weekend effect in kidney transplantation specifically, but a clear effect on outcomes and graft survival has not been established.

methodsWe analyzed data from all deceased-donor organ procurements and cadaveric kidney transplants occurring during the 5-year period between Apr. 1, 2013, and Dec. 31, 2017, included in the database of the Trillium Gift of Life Network, Ontario's organ and tissue donation agency.

resultsA total of 1116 deceased donor nephrectomies (DNs) and 1858 recipient procedures were performed in Ontario during the study period. The overall rate of after-hours DNs on weekdays was significantly greater than during working hours (23.1/30 d v. 15.4/30 d,

conclusionKidney transplantations occurred more frequently after hours and were associated with increased WIT. Further study is needed across multiple Canadian centres to better understand the temporal patterns of kidney transplantation and implications for patients, providers, and health care systems.

Indexed as

Cold IschemiaKidney TransplantationNephrectomyWarm IschemiaAdultAgedFemaleGraft SurvivalHumansMaleMiddle AgedOntarioRetrospective StudiesTime FactorsTissue and Organ Procurement

Identifiers

PMID39694608
PMCPMC11665813

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.