Evidence map›Paper›PMID 24768362›Full record

Observational studyJournal of vascular surgery2014

Trends in the incidence, treatment, and outcomes of acute lower extremity ischemia in the United States Medicare population.

Donald T Baril, Kaushik Ghosh, Allison B Rosen

2 registry-linked trialsAbstract readObservational Study
In one paragraph

Observational study in Journal of vascular surgery, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 55 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 3 pooled it
5.9field-weighted citation impact, top 4% 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.

NCT04110288 completednot on this mapstarted 2017, after this paper: background citation

Vascular Quality Initiative (VQI) - Data Extraction and Longitudinal Trend Analysis (DELTA) Paclitaxel Device Safety Analysis - Phase I Study

TypeobservationalSponsorLahey ClinicRan2017 to 2020Enrolled219,483ConditionsPeripheral Vascular DiseaseArmsPaclitaxel, Non-drug coated Device Treatment
NCT04204564 unknown statusnot on this map

Vascular Implant Surveillance and Interventional Outcomes Network and the Vascular Quality Initiative Paclitaxel Safety Analysis

Typeobservational_patient_registrySponsorUniversity of Vermont Medical CenterRan2012 to 2020Enrolled20,000ConditionsPADArmspactlitaxel PAD device
3 · Its place in the literature

Who cites it

55 citing papers in PubMed, 3 syntheses or guidelines pooled it, 169 citations in OpenAlex.

  1. Guideline
  2. Guideline
  3. Surgery versus thrombolysis for initial management of acute limb ischaemia.The Cochrane database of systematic reviews · 2018
    Pooled it
  4. Prospective Single-Arm Trial of Endovascular Mechanical Debulking as Initial Therapy in Patients With Acute and Subacute Lower Limb Ischemia: One-Year Outcomes.Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists · 2019
    Trial
  5. Trial
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Acute limb ischemia in the elderly: Determining the mortality factors.Turk gogus kalp damar cerrahisi dergisi · 2025
    Article
  14. Article
  15. Observational
  16. Review
  17. Article
  18. Article
  19. CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne · 2024
    Article
  20. Acute limb ischemia.CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne · 2023
    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

3 authors at 2 institutions in 1 country.

Donald T BarilDivision of Vascular Surgery, Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pa. Electronic address: barildt2@upmc.edu.
Kaushik GhoshNational Bureau of Economic Research, Cambridge, Mass.
Allison B RosenNational Bureau of Economic Research, Cambridge, Mass; Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, Mass.
National Bureau of Economic Research · USUniversity of Pittsburgh Medical Center · US

Funding

Expanding the National Health AccountsP01AG031098 · NIA · NATIONAL BUREAU OF ECONOMIC RESEARCH · PI CUTLER, DAVID M · 2009 to 2013
$9.2M
NIA NIH HHS P01 AG031098
6 · The paper itself

Abstract

objectiveAcute lower extremity ischemia (ALI) is a common vascular surgery emergency associated with high rates of morbidity and mortality. The purpose of this study was to assess contemporary trends in the incidence of ALI, the methods of treatment, and the associated mortality and amputation rates in the U.S. Medicare population.

methodsThis was an observational study using Medicare claims data between 1998 and 2009. Outcomes examined included trends in the incidence of ALI; trends in interventions for ALI; and trends in amputation, mortality, and amputation-free survival rates.

resultsBetween 1998 and 2009, the incidence of hospitalization for ALI decreased from 45.7 per 100,000 to 26.0 per 100,000 (P for trend < .001). The percentage of patients undergoing surgical intervention decreased from 57.1% to 51.6% (P for trend < .001), whereas the percentage of patients undergoing endovascular interventions increased from 15.0% to 33.1% (P for trend < .001). In-hospital mortality rates decreased from 12.0% to 9.0% (P for trend < .001), whereas 1-year mortality rates remained stable at 41.0% and 42.5% (P for trend not significant). In-hospital amputation rates remained stable at 8.1% and 6.4% (P for trend not significant), whereas 1-year amputation rates decreased from 14.8% to 11.0% (P for trend < .001). In-hospital amputation-free survival after hospitalization for ALI increased from 81.2% to 85.4% (P for trend < .001); however, 1-year amputation-free survival remained unchanged.

conclusionsBetween 1998 and 2009, the incidence of ALI among the U.S. Medicare population declined significantly, and the percentage of patients treated with endovascular techniques markedly increased. During this time, 1-year amputation rates declined. Furthermore, although in-hospital mortality rates declined after presentation with ALI, 1-year mortality rates remained unchanged.

Indexed as

Acute DiseaseAgedAged, 80 and overAmputation, SurgicalComorbidityDisease-Free SurvivalEndovascular ProceduresFemaleHospitalizationHospital MortalityHumansIncidenceIschemiaLimb SalvageLower ExtremityMale

Identifiers

PMID24768362
PMCPMC4492305
OpenAlexW2019722383

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

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.