Logo Medical Science Monitor

Call: +1.631.470.9640
Mon - Fri 10:00 am - 02:00 pm EST

Contact Us

Logo Medical Science Monitor Logo Medical Science Monitor Logo Medical Science Monitor

01 March 1999

Analysis of bioelectrical cerebral function based on visual and brain stem auditory evoked potentials in patients with chronic renal failure

Maria Ejma, Grażyna Szymańska, Ryszard Podemski, Marian Klinger, Dariusz Piechocki, Wacław Weyde

Med Sci Monit 1999; 5(2): MT318-323 :: ID: 505146

Abstract

The aim of the study was assessment of visual (VEPs) and brain stem auditory evoked potentials (BAEPs) in patients dialysed due to chronic renal failure in order to evaluate the clinical usefulness of this method. In 50 patients (19 female, 31 male), aged 28-73 (mean 50) dialysed because of chronic renal failure, VEPs and BAEPs were performed. In 12 patients no abnormalities were found in neurologic examination; 23 displayed polyneuropathy of minor degree; 28 showed symptoms of minimal CNS lesions. VEPs were recorded over visual cortex, while right and left eye were stimulated subsequently with the reversal checkerboard pattern. Latency and amplitude of visual evoked response (P100) were estimated. BAEPs were recorded over the mastoid. Latencies of components I-V of brain stem auditory response and interpeak latencies I-III, III-V, I-V were estimated. The results were compared to the data obtained in 50 age-matched controls and statistically analysed by means of Student's t-test. Abnormal VEPs (mean latencies significantly longer in comparison with the control group) and/or BAEPs (significantly prolonged latencies of particular components and interlatencies I-III, III-V, I-V) were recorded in 32 cases (64%). The authors attribute this high percentage of abnormal evoked potentials in dialysed patients to the presence - apart from renal failure - of other diseases affecting CNS (diabetes, collagenoses, hypertension). Abnormal evoked potentials (EP) were found in patients with symptoms of CNS damage, as well as without them. No correlation was found between pathologic EPs and duration of dialysis, degree of anaemia and serum levels of urea and creatinin. Evoked potentials abnormalities did not depend on EEG changes. EP study in patients with chronic renal failure, especially without clinical symptoms of CNS damage may be helpful in prognosis and monitoring of the course of the disease and the results of treatment.

Keywords: chronic renal failure, Dialysis, brain stem auditory evoked potentials, visual evoked potentials

Add Comment 0 Comments

Editorial

01 June 2024 : Editorial  

Editorial: Concerns as Highly Pathogenic Avian Influenza (HPAI) Virus of the H5N1 Subtype is Identified in Dairy Cows and Other Mammals

Dinah V. Parums

DOI: 10.12659/MSM.945315

Med Sci Monit 2024; 30:e945315

0:00

In Press

Review article  

Impact of Workplace Bullying on Nursing Care Quality: A Comprehensive Review

Med Sci Monit In Press; DOI: 10.12659/MSM.944815  

Clinical Research  

Anterior Plate-Supported Cannulated Screw Surgery for Ankle Arthrodesis: Clinical and Radiologic Results in...

Med Sci Monit In Press; DOI: 10.12659/MSM.944452  

Clinical Research  

Elevated Plasma Levels of Growth Arrest Specific 6 (Gas6) Protein in Severe Obesity: Implications for Adipo...

Med Sci Monit In Press; DOI: 10.12659/MSM.944462  

Database Analysis  

Systemic Immune-Inflammation Index (SII) as a Predictor of Short-Term Mortality Risk in Sepsis-Associated A...

Med Sci Monit In Press; DOI: 10.12659/MSM.943414  

Most Viewed Current Articles

17 Jan 2024 : Review article   2,048,648

Vaccination Guidelines for Pregnant Women: Addressing COVID-19 and the Omicron Variant

DOI :10.12659/MSM.942799

Med Sci Monit 2024; 30:e942799

0:00

14 Dec 2022 : Clinical Research   1,553,068

Prevalence and Variability of Allergen-Specific Immunoglobulin E in Patients with Elevated Tryptase Levels

DOI :10.12659/MSM.937990

Med Sci Monit 2022; 28:e937990

0:00

16 May 2023 : Clinical Research   690,454

Electrophysiological Testing for an Auditory Processing Disorder and Reading Performance in 54 School Stude...

DOI :10.12659/MSM.940387

Med Sci Monit 2023; 29:e940387

0:00

01 Jan 2022 : Editorial   50,367

Editorial: Current Status of Oral Antiviral Drug Treatments for SARS-CoV-2 Infection in Non-Hospitalized Pa...

DOI :10.12659/MSM.935952

Med Sci Monit 2022; 28:e935952

0:00

Your Privacy

We use cookies to ensure the functionality of our website, to personalize content and advertising, to provide social media features, and to analyze our traffic. If you allow us to do so, we also inform our social media, advertising and analysis partners about your use of our website, You can decise for yourself which categories you you want to deny or allow. Please note that based on your settings not all functionalities of the site are available. View our privacy policy.

Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750