Publications by authors named "Benoît Lequeux"

4 Publications

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First symptoms and health care pathways in hospitalized patients with acute heart failure: ICPS2 survey. A report from the Heart Failure Working Group (GICC) of the French Society of Cardiology.

Clin Cardiol 2021 Aug 26;44(8):1144-1150. Epub 2021 Jun 26.

Department of Cardiology, Referral Center for Cardiac Amyloidosis and DHU ATVB, CHU Henri Mondor, APHP, Creteil, France.

Background: Acute heart failure (AHF) is a common serious condition that contributes to about 5% of all emergency hospital admissions in Europe.

Hypothesis: To assess the type and chronology of the first AHF symptoms before hospitalization and to examine the French healthcare system pathways before, during and after hospitalization.

Material And Methods: A retrospective observational study including patients hospitalized for AHF RESULTS: 793 patients were included, 59.0% were men, 45.6% identified heart failure (HF) as the main cause of hospitalization; 36.0% were unaware of their HF. Mean age was 72.9 ± 14.5 years. The symptoms occurring the most before hospitalization were dyspnea (64.7%) and lower limb edema (27.7%). Prior to hospitalization, 47% had already experienced symptoms for 15 days; 32% of them for 2 months. Referral to hospital was made by the emergency medical assistance service (SAMU, 41.6%), a general practitioner (GP, 22.3%), a cardiologist (19.5%), or the patient (16.6%). The modality of referral depended more on symptom acuteness than on type of symptoms. A sudden onset of AHF symptoms led to making an emergency call or to spontaneously attending an emergency room (ER), whereas cardiologists were consulted when symptoms had already been present for over 15 days. Cardiologists referred more patients to cardiology departments and fewer patients to the ER than general practitioners or the SAMU.

Conclusion: This study described the French healthcare system pathways before, during and after hospitalization AHF. AHF clinic network should be developed to provide adequate care for all HF patients and create awareness regarding AHF symptoms.
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http://dx.doi.org/10.1002/clc.23666DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8364729PMC
August 2021

Does resting heart rate measured by the physician reflect the patient's true resting heart rate? White-coat heart rate.

Indian Heart J 2018 Jan - Feb;70(1):93-98. Epub 2017 Aug 1.

Cardiology Department, Poitiers University Hospital, 2 rue de la Milétrie, 86000 Poitiers, France. Electronic address:

Objectives: In cardiology, resting heart rate (HR) and blood pressure (BP) are key elements and are used to adapt treatment. However HR measured in consultation may not reflect true resting HR. We hypothesize that there may be a "white-coat" effect like with BP and that there may be an association between HR variations and BP variations.

Methods: This prospective, monocentric, observational, pilot study (January-April 2016) included 57 consecutive ambulatory patients at Poitiers University Hospital, France (58% male, mean age 64 years). Patients' resting HR and BP were recorded with the same automated blood pressure sphygmomanometer in consultation by the physician then with self-measurement at home.

Results: In the overall cohort, we found that HR was significantly higher in consultation (70.5bpm±12.6 vs. 68.1bpm±10.1, p=0.034). HR also correlated with diastolic BP (r=0.45, p=0.001). Patients were divided into three groups to look for associations with BP: masked HR, (higher HR at home, 38.6%), white-coat HR, (lower HR at home 52.6%) and iso HR, (no change between HR at home and consultation, 8.8%). Although there was no difference between groups in diastolic BP measured in consultation, home diastolic BP was lower in the white-coat HR group (74.3mmHg±9.8 vs. 77.9mmHg±7.5, p=0.016).

Conclusions: Our study brings to light an exciting idea that could have a major therapeutic and maybe prognostic impact in cardiology: resting HR measured by the physician in consultation does not reflect true resting HR. This must be taken into account to adapt treatment.
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http://dx.doi.org/10.1016/j.ihj.2017.07.015DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5902914PMC
July 2018

A new method for measurement of left atrial volumes using 64-slice spiral computed tomography: comparison with two-dimensional echocardiographic techniques.

Int J Cardiol 2009 Jan 4;131(2):217-24. Epub 2008 Jan 4.

Département de Cardiologie, Centre Hospitalo-Universitaire de Poitiers, France.

Background: Left atrial (LA) volume, is related to cardiovascular morbidity. LA enlargement is usually assessed using trans-thoracic echocardiography (TTE). The association of modern multislice computed tomography (MSCT) imaging and new 3D reconstruction software, allows direct cardiac chamber volume measurement without geometrical assumptions. This study was designed to evaluate the maximal (LAmax) and minimal (LAmin) LA volumes during the cardiac cycle using MSCT and TTE approaches.

Methods: We screened 26 consecutive patients referred for coronary imaging using a 64-MSCT scanner and a TTE within 12 h. Contiguous multiphase images were generated from axial MSCT data and semi-automated 3D segmentation technique was applied to generate LA volumes. Using TTE, LA volumes and LA ejection fraction (LAEF) were obtained using five assumptions methods: cubing equation, diameter-length formula, area-length formula, ellipsoidal formula and biplane Simpson rule.

Results: Five patients were excluded for inadequate TTE visualization and one for ectopic beats during MSCT. The sample consisted in 20 patients (11 men, age: 56+/-14 years). Using MSCT, LA volumes indexed to body surface area were: LAmax=74+/-27 ml/m(2), LAmin=49+/-26 ml/m(2), with close correlations with TTE measurements and a significant underestimation by all TTE approaches. A close correlation was observed between LAEF using MSCT and TTE Simpson's method: 36+/-14% vs. 37+/-14%, r=0.99, p<0.0001.

Conclusion: Theses results suggest that the assessment of LA volumes and ejection fraction was reliable using 64-MSCT in patients referred for coronary computed tomography imaging.
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http://dx.doi.org/10.1016/j.ijcard.2007.10.020DOI Listing
January 2009
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