Abstract:
AIM:To study dynamics of transmitral circulation (TMC) during a hemodialysis (HD) session in patients with chronic renal failure (CRF) regarding structural-functional alterations of the heart and baseline condition of the diastolic function of left ventricular (LV) myocardium. MATERIAL AND METHODS:Sixty one patients (34 females and 27 males, mean age 47 +/- 11 years) on programmed HD free of heart valvular disease, ischemic heart disease, acute myocardial infarction, atrial fibrillation. Before and after HD session the patients underwent echocardiography, including Doppler regime. RESULTS:Normal LV geometry was detected in 3 (4.9%) patients, concentric remodeling - in 9 (14.8%), concentric LV hypertrophy (LVH) - in 37 (60.7%), excentric LVH - in 12 (19.7%) patients. The ejection fraction was under 45% in 5 (8.2%) patients. Diastolic dysfunction of LV myocardium was found in 42 (68.9%) patients, TMC characteristic of slow relaxation was registered most frequently (47.6%). A pseudonormal type of TMC was recorded in 16 (38.1%) patients. HD did not change TMC significantly in patients with normal diastolic function (before HD E peak velocity was 88.7 +/- 19.8 cm/s, after - 80.0 +/- 24.6 cm/s, p > 0.05). In patients with initially disturbed relaxation the velocity of early diastolic flow (Vp) (color M-mode Doppler) increased (before HD, Vp was 67.6 +/- 17.1 cm/s, after - 72.9 +/- 15.7 cm/s, p < 0.05), E/Vp reduced (before HDm E/Vp was 1.2 +/- 0.4, after 1.0 +/- 0.4, p < 0.05). The subgroup with initially pseudonormal TMC showed decreased velocity in the E peak (before HD - 103.4 +/- 13.5 cm/s, after - 76.8 +/- 24.0 cm/s, p < 0.001). In restrictive TMC this velocity also decreased - 129.0 +/- 17.8 cm/s and 108.8 +/- 14.7 cm/s, p < 0.05, respectively). CONCLUSION:TMC alteration during a HD session depends more on initial type of diastolic dysfunction than on LV geometry. A HD session improves intracardiac hemodynamics in patients with pseudonormal TMC.
journal_name
Ter Arkhjournal_title
Terapevticheskii arkhivauthors
Shutov AM,Edigarov OM,Mastykov VEsubject
Has Abstractpub_date
2006-01-01 00:00:00pages
51-4issue
5eissn
0040-3660issn
2309-5342journal_volume
78pub_type
杂志文章abstract::The paper emphasizes a role of a local therapist in the timely detection and treatment of acute respiratory viral infections. It shows a certain difficulty in the differential diagnosis of acute respiratory disease and influenza. Attention is given on a need for a well-defined program to correct drug therapy, regimen,...
journal_title:Terapevticheskii arkhiv
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