Nephrologie & therapeutique · 2022
[Left ventricular hypertrophy in hemodialysis patient: Prevalence, electrocardiographic, echocardiographic study and associated risk factors].
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Chargui Soumaya, Allouche Emna, Dkhil Wiem, Agrebi Sahar, Ben Ahmed Habib, Ezzaouia Khaled, Hajji Mariem, Ezzamouri Asma, Basdah Leila, Ben Hamida Fethi, Harzallah Amel, Abderrahim Ezzeddine
Аннотация
BACKGROUND: Left ventricular hypertrophy is the most prevalent cardiac abnormality in hemodialysis patients. The diagnosis of this abnormality is possible by electrocardiogram and/or echocardiography. Our study aimed to assess the prevalence of left ventricular hypertrophy in hemodialysis patients and the accuracy of different electrocardiographic criteria.
METHODS: This was a cross-sectional retrospective study including 60 hemodialysis patients between 2017 and 2018. A left ventricular mass index higher than 115g/m2 and 95g/m2 respectively in men and women defines echocardiographic left ventricular hypertrophy. We assessed left ventricular hypertrophy prevalence, sensitivity, specificity, and area under the receiver-operating characteristics (ROC) curve of fourteen different electrocardiographic criteria for identification of left ventricular hypertrophy.
RESULTS: This was a cohort of 60 patients composed of 27 men and 33 women with a mean age 52.6±15,8years. Hypertension was the most common cardiovascular risk factor (82 %). The prevalence of left ventricular hypertrophy at echography was 65 %. Prevalence of left ventricular hypertrophy at electrocardiographic varied across the different criteria ranging from 5 % (R wave in DI) to 32 % (Perugia score). The highest left ventricular hypertrophy prevalence at electrocardiographic was found with the five following criteria: Perugia score (32 %), Peguero-Lo Presti index (28 %), Sokolow-Lyon index, Cornell index, Framingham-adjusted Cornell voltage (17 %). Sensitivity was ranged from 5 % (R in DI, Gubner-Ungerleider index, and product) to 41 % (Perugia score). The specificity of most criteria was ≥90 % except for the Perugia score (85 %). The sensitivity, specificity, postitive and negative productive values and left ventricular hypertrophy prevalence using the five most accurate criteria combined were respectively 48, 90, 70.28, 77.85 and 33 %. Hypertension, duration of HD, arteriovenous fistula, interdialytic weight gain, systolic blood pressure, hemoglobin <9g/dL and hyperparathyroidism were significantly associated with left ventricular hypertrophy.
CONCLUSION: The prevalence of left ventricular hypertrophy detected by echocardiography was high. All electrocardiographic criteria had a low sensibility and a high specificity in the diagnostic of echocardiographic left ventricular hypertrophy. To improve the accuracy of electrocardiographic criteria, it is necessary to combine several electrocardiographic criteria and not often focused on a single classic electrocardiographic index.
METHODS: This was a cross-sectional retrospective study including 60 hemodialysis patients between 2017 and 2018. A left ventricular mass index higher than 115g/m2 and 95g/m2 respectively in men and women defines echocardiographic left ventricular hypertrophy. We assessed left ventricular hypertrophy prevalence, sensitivity, specificity, and area under the receiver-operating characteristics (ROC) curve of fourteen different electrocardiographic criteria for identification of left ventricular hypertrophy.
RESULTS: This was a cohort of 60 patients composed of 27 men and 33 women with a mean age 52.6±15,8years. Hypertension was the most common cardiovascular risk factor (82 %). The prevalence of left ventricular hypertrophy at echography was 65 %. Prevalence of left ventricular hypertrophy at electrocardiographic varied across the different criteria ranging from 5 % (R wave in DI) to 32 % (Perugia score). The highest left ventricular hypertrophy prevalence at electrocardiographic was found with the five following criteria: Perugia score (32 %), Peguero-Lo Presti index (28 %), Sokolow-Lyon index, Cornell index, Framingham-adjusted Cornell voltage (17 %). Sensitivity was ranged from 5 % (R in DI, Gubner-Ungerleider index, and product) to 41 % (Perugia score). The specificity of most criteria was ≥90 % except for the Perugia score (85 %). The sensitivity, specificity, postitive and negative productive values and left ventricular hypertrophy prevalence using the five most accurate criteria combined were respectively 48, 90, 70.28, 77.85 and 33 %. Hypertension, duration of HD, arteriovenous fistula, interdialytic weight gain, systolic blood pressure, hemoglobin <9g/dL and hyperparathyroidism were significantly associated with left ventricular hypertrophy.
CONCLUSION: The prevalence of left ventricular hypertrophy detected by echocardiography was high. All electrocardiographic criteria had a low sensibility and a high specificity in the diagnostic of echocardiographic left ventricular hypertrophy. To improve the accuracy of electrocardiographic criteria, it is necessary to combine several electrocardiographic criteria and not often focused on a single classic electrocardiographic index.