Introduction: Cardiovascular complications are the leading cause of morbidity and mortality in hemodialysis patients. They are related to the multitude of classical cardiovascular risk factors specific to the uremic state in renal failure.

Objectives:To evaluate the frequency of cardiovascular risk factors and complications in a population of hemodialysis, to look for a correlation between the different cardiovascular risk factors and cardiovascular complications, and to look for the existence of a correlation between installation of cardiac complications with seniority in hemodialysis with also the numbers of cardiovascular risk factors.

PATIENTS AND METHODS: It is a descriptive and prospective study spread over 6 months of the hemodialysis patients, with the military hospital of Nouakchott on a duration going from January 01, 2018 to June 30, 2018, all the patients benefited from a Doppler echo complete cardiac and renal balance, and an electrocardiogram. Patients were dialyzed 3 times / week for 4 hours with an average kT / v of 1.2.

 Results :36 patients studied, 20 men and 36 women, age between 23 to 75, average age 45 years, average seniority at 3.6 years, patients from TRARZA ranked first with 9 cases 25%, ATAR 22.22%, the cardiac risk factors found were: HTA in 52.7% of cases, TOBACCO 19, 4%, DIABETES 13.8%, diabetes association and HTA in 14%, a single cardiovascular risk factor alone accounted for 27.7% , two factors of risk associated in 22.2%, 03factors were at 16.66%, 04 factors were at 8, 33%, patients without cardiac risk factor found in 25%, Electrical anomalies found are: hypertrophy ventricular in 81%, ischemic lesions in 38,%, 2 cases of supraventricular rhythm disorders atrial fibrillation type in 5.55% Cardiac abnormalities observed at the cardiac Echo doppler are dominated by left ventricular hypertrophy in 83% , PAH 61%, dysfunction dias 42% tolicin, 38% left atrial dilatation, 32% systolic dysfunction, 22% LV dilation, 13.8% pericarditis, 36.11% valvulopathy, Patients were dialyzed 3 times / week for 4 hours with an average kT / v of 1.2. Chronic glomerulonephritis was nephropathy

Discussion : XLSTAT was searched for a correlation between dialysis seniority and cardiac complications (diastolic dysfunction, systolic dysfunction, pulmonary artery hypertension, left atrium dilatation, left ventricular hypertrophy, global ejection fraction). first, the result was negative, and in second between the number of cardiovascular risk factors, and cardiovascular complications, it was found that only overall left ventricular dysfunction that has a close relationship with the numbers of cardiovascular risk factors with a P-VALUE = 0.021 Patients were dialyzed 3 times / week for 4 hours with an average kT / v of 1.2 indicating correct dialysis. Chronic glomerulonephritis was the most found initial nephropathy, with hypertensive connotation in most cases. 

CONCLUSION: Cardiovascular pathology and these complications are common in our population of hemodialysis, hence the need for early and appropriate treatment and monitoring of risk factors in patients with chronic renal failure before and during the dialysis stage.

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