Sensitivity and specificity of ECG-LVH indexes in the group of patients above
60 years old with arterial hypertension

Jagoda Młynarczyk; Paweł Gać; Grzegorz Mazur; Małgorzata Sobieszczańska; Rafał Poręba

doi:10.5114/fmpcr/58849

eISSN: 2449-8580
ISSN: 1734-3402

Family Medicine & Primary Care Review

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1/2016
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abstract:

Original paper

Sensitivity and specificity of ECG-LVH indexes in the group of patients above 60 years old with arterial hypertension

Jagoda Młynarczyk

¹

,

Paweł Gać

²

,

Grzegorz Mazur

²

,

Małgorzata Sobieszczańska

³

,

Rafał Poręba

²

Studenckie Koło Naukowe Profilaktyki Chorób Sercowo-Naczyniowych Uniwersytetu Medycznego we Wrocławiu
Klinika Chorób Wewnętrznych, Zawodowych i Nadciśnienia Tętniczego Uniwersytetu Medycznego we Wrocławiu
Zakład Elektrokardiologii i Prewencji Chorób Sercowo-Naczyniowych Uniwersytetu Medycznego we Wrocławiu

Family Medicine & Primary Care Review 2016; 18, 1: 29–32

DOI: https://doi.org/10.5114/fmpcr/58849

Online publish date: 2016/02/29

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Background. A standard electrocardiograph (ECG ) is considered to be a useful examination to diagnose chronic organ complications of arterial hypertension.

Objectives. The aim of this study was the diagnostics reliability assessment of ECG –LVH indexes that were met in the group of patients with arterial hypertension over 60 years of age in relation to echocardiography.

Material and methods. Two groups of hypertensive subjects: aged above 60 years old (n = 22) and under 60 years old (n = 19) underwent a 12-lead ECG examination and conventional echocardiography.

Results. The number of patients, who met at least one electrocardiographic LVH criterion, was similar in both groups (36.4% of patients above 60% vs. 36.8% in patients under 60), although the frequency of LVH echocardiographic criteria was higher in group of patients above 60 (72% vs. 31.2%). In the group of patients above 60, the sensitivity and specificity of ECG indexes amounted to 31.3% and 50%. In the group of patients below 60 these parameters amounted respectively to 66.6% and 76.9%. The positive predictive value of LVH-ECG indicators was higher in the group of patients above 60 (0.625 vs. 0.571). Negative

predictive value in this group was lower than in the group of patients under 60 (0.214 vs. 0.833).

Conclusions. 12-lead ECG performed on group of patients above 60 resulted in a lower sensitivity and specificity of LVH, in comparison to the group of patients under 60. In this group the electrocardiographic criteria seemed to be more efficient in confirmation of the disease, whilst in the group of younger patients ECG criteria were more useful in exclusion of the disease.

keywords:

Sensitivity and specificity of ECG-LVH indexes in the group of patients above 60 years old with arterial hypertension

Jagoda Młynarczyk 1 , Paweł Gać 2 , Grzegorz Mazur 2 , Małgorzata Sobieszczańska 3 , Rafał Poręba 2

arterial hypertension, left ventricular hypertrophy, electrocardiography, geriatrics

Jagoda Młynarczyk

¹

,

Paweł Gać

²

,

Grzegorz Mazur

²

,

Małgorzata Sobieszczańska

³

,

Rafał Poręba

²