Evidence map›Paper›PMID 26920700›Full record

ArticleBMC nephrology2016

Geographic and facility variation in initial use of non-tunneled catheters for incident maintenance hemodialysis patients.

Edward G Clark, Ayub Akbari, Brett Hiebert, Swapnil Hiremath, Paul Komenda, Charmaine E Lok, Louise M Moist, Michael E Schachter, Navdeep Tangri, Manish M Sood

Open access · goldAbstract read
In one paragraph

Article in BMC nephrology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact, top 99% 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

2 citing papers in PubMed, 3 citations in OpenAlex.

  1. Article
  2. 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

10 authors at 8 institutions in 1 country.

Edward G ClarkDivision of Nephrology, Department of Medicine, The Ottawa Hospital and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada. edclark@toh.on.ca.
Ayub AkbariDivision of Nephrology, Department of Medicine, The Ottawa Hospital and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada. aakbari@toh.on.ca.
Brett HiebertCardiac Sciences Program, St Boniface Hospital, Winnipeg, MB, Canada. bhiebert3@sbgh.mb.ca.
Swapnil HiremathDivision of Nephrology, Department of Medicine, The Ottawa Hospital and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada. shiremath@toh.on.ca.
Paul KomendaSection of Nephrology, Department of Medicine, University of Manitoba, Winnipeg, MB, Canada. pkomenda@sbgh.mb.ca.
Charmaine E LokDivision of Nephrology, Department of Medicine, Toronto General Hospital and University of Toronto, Toronto, ON, Canada. charmaine.lok@uhn.ca.
Louise M MoistDivision of Nephrology, Department of Medicine, Schulich School of Medicine and Dentistry, Western University and Kidney Clinical Research Unit, London Health Sciences Centre, London, ON, Canada. louise.moist@lhsc.on.ca.
Michael E SchachterRoyal Jubilee Hospital, Victoria, BC, Canada. mschac1@gmail.com.
Navdeep TangriSeven Oaks Hospital, Winnipeg, MB, Canada. ntangri@sogh.mb.ca.
Manish M SoodDivision of Nephrology, Department of Medicine, The Ottawa Hospital and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada. msood99@gmail.com.
Ottawa Hospital · CALondon Health Sciences Centre · CARoyal Jubilee Hospital · CASeven Oaks General Hospital · CASt. Boniface Hospital · CAUniversity of Manitoba · CAUniversity of Ottawa · CAUniversity of Toronto · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNon-tunneled (temporary) hemodialysis catheters (NTHCs) are the least-optimal initial vascular access for incident maintenance hemodialysis patients yet little is known about factors associated with NTHC use in this context. We sought to determine factors associated with NTHC use and examine regional and facility-level variation in NTHC use for incident maintenance hemodialysis patients.

methodsWe analyzed registry data collected between January 2001 and December 2010 from 61 dialysis facilities within 12 geographic regions in Canada. Multi-level models and intra-class correlation coefficients were used to evaluate variation in NTHC use as initial hemodialysis access across facilities and geographic regions. Facility and patient characteristics associated with the lowest and highest quartiles of NTHC use were compared.

resultsDuring the study period, 21,052 patients initiated maintenance hemodialysis using a central venous catheter (CVC). This included 10,183 patients (48.3 %) in whom the initial CVC was a NTHC, as opposed to a tunneled CVC. Crude variation in NTHC use across facilities ranged from 3.7 to 99.4 % and across geographic regions from 32.4 to 85.1 %. In an adjusted multi-level logistic regression model, the proportion of total variation in NTHC use explained by facility-level and regional variation was 40.0 % and 34.1 %, respectively. Similar results were observed for the subgroup of patients who received greater than 12 months of pre-dialysis nephrology care. Patient-level factors associated with increased NTHC use were male gender, history of angina, pulmonary edema, COPD, hypertension, increasing distance from dialysis facility, higher serum phosphate, lower serum albumin and later calendar year.

conclusionsThere is wide variation in NTHC use as initial vascular access for incident maintenance hemodialysis patients across facilities and geographic regions in Canada. Identifying modifiable factors that explain this variation could facilitate a reduction of NTHC use in favor of more optimal initial vascular access.

Indexed as

Catheters, IndwellingAgedAged, 80 and overAmbulatory Care FacilitiesCanadaCatheterization, Central VenousFemaleGeographyHealth Facilities, ProprietaryHumansMaleMiddle AgedRenal Dialysis

Identifiers

PMID26920700
PMCPMC4769546
OpenAlexW2273947120

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.