Evidence map›Paper›PMID 33058086›Full record

ArticleCardiology and therapy2020

Safety and Effectiveness of Hydroxychloroquine and Azithromycin Combination Therapy for Treatment of Hospitalized Patients with COVID-19: A Propensity-Matched Study.

Henry D Huang, Hani Jneid, Mariam Aziz, Venkatesh Ravi, Parikshit S Sharma, Timothy Larsen, Neal Chatterjee, Basil Saour, Zaid Aziz, Hemal Nayak and 2 more

Open access · goldAbstract read
In one paragraph

Article in Cardiology and therapy, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 23% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Pooled it
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  5. Review
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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

12 authors at 4 institutions in 1 country.

Henry D HuangDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA. henry_d_huang@rush.edu.ORCID http://orcid.org/0000-0002-4103-4317
Hani JneidDivision of Cardiology, Baylor College of Medicine, Houston, TX, USA.
Mariam AzizDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Venkatesh RaviDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Parikshit S SharmaDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Timothy LarsenDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Neal ChatterjeeDivision of Cardiology, University of Washington Medical Center, Seattle, WA, USA.
Basil SaourDivision of Cardiology, University of Washington Medical Center, Seattle, WA, USA.
Zaid AzizSection of Cardiology, University of Chicago Medical Center, Chicago, IL, USA.
Hemal NayakSection of Cardiology, University of Chicago Medical Center, Chicago, IL, USA.
Richard G TrohmanDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Kousik KrishnanDepartment of Cardiology, Rush University Medical Center, Chicago, IL, USA.
Rush University Medical Center · USUniversity of Chicago Medical Center · USUniversity of Washington Medical Center · USBaylor College of Medicine · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionWe sought to determine the effectiveness and safety of hydroxychloroquine-azithromycin (HCQ-AZM) therapy in hospitalized patients with COVID-19.

methodsThis was a retrospective cohort study of 613 patients hospitalized (integrated health system involving three hospitals) for RT-PCR-confirmed COVID-19 infection between March 1, 2020 and April 25, 2020. Intervention was treatment with HCQ-AZM in hospitalized patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Outcomes of interest were in-hospital all-cause mortality, cardiovascular mortality, pulseless electrical activity (PEA) arrest, non-lethal arrhythmias, and length of hospital stay. Secondary measures included in-hospital corrected QT (QTc) interval parameters and serum biomarkers levels.

resultsPropensity-matched groups were composed of 173 patients given HCQ-AZM and 173 matched patients who did not receive treatment. There was no significant difference in in-hospital mortality (odds ratio [OR] 1.52; 95% confidence interval [CI] 0.80-2.89; p = 0.2), PEA arrest (OR 1.68, CI 0.68-4.15; p = 0.27), or incidence of non-lethal arrhythmias (10.4% vs. 6.8%; p = 0.28). Length of hospital stay (10.5 ± 7.4 vs. 5.8 ± 6.1; p < 0.001), peak CRP levels (252 ± 136 vs. 166 ± 124; p < 0.0001), and degree of QTc interval prolongation was higher for the HCQ-AZM group (28 ± 32 vs. 9 ± 32; p < 0.0001), but there was no significant difference in incidence of sustained ventricular arrhythmias (2.8% vs. 1.7%; p = 0.52). HCQ-AZM was stopped in 10 patients because of QT interval prolongation and 1 patient because of drug-related polymorphic ventricular tachycardia.

conclusionIn this propensity-matched study, there was no difference in in-hospital mortality, life-threatening arrhythmias, or incidence of PEA arrest between the HCQ-AZM and untreated control groups. QTc intervals were longer in patients receiving HCQ-AZM, but only one patient developed drug-related ventricular tachycardia.

Indexed as

COVID-19HydroxychloroquineSARS-CoV-2Torsades de pointes

Identifiers

PMID33058086
PMCPMC7556606
OpenAlexW3092855600

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.