[Diagnosis of hypoplasia of the heart ventricles: role of morphometry and morphology in its assessment]. / Diagnostika gipoplazii zheludochkov serdtsa: rol' morfometrii i morfologii v ee otsenke.

The article deals with the results of the study of the quantitative anatomy and morphology of hypoplastic ventricles. The object of study were 28 specimens of the heart: 15 with hypoplasia of the left ventricle and 13 with hypoplasia of the right ventricle. The control group was composed of 10 specimens of normal hearts. Morphometry was conducted in all of the 28 specimens. At the same time angiocardiometry and calculations of the volume characteristics of the ventricles were undertaken in the diagnosis of hypoplasia of the right ventricle. The morphometric criteria of hypoplasia of the heart ventricles and their morphological variants were determined as a result. It was found that the lineal characteristics of the heart yielded sufficient information both for the diagnosis of hypoplasia and for determining its degree. Morphometry showed that constant ratios exist between the diameters of the atrioventricular valves and the lineal sizes of the ventricles in normal and pathological hearts. Knowledge of the aforesaid is of much practical importance because having determined the sizes of the atrioventricular valves during echocardiography one may calculate all linear characteristics of the heart and evaluate the sizes of the ventricles by means of the quantitative criteria. The article gives the method of such calculation, while its results are evidence of the high precision of the suggested constants.

[Quantitative evaluation of hypoplasia of the heart ventricles and its significance for heart surgery]. / Kolichestvennaia otsenka gipoplazii zheludochkov serdtsa i ee znachenie dlia kardiokhirurgii.

The quantitative anatomy and morphology of hypoplastic ventricles were studied in 28 afflicted hearts (15 with left ventricular hypoplasia, 13 with right ventricular hypoplasia). The control comprised 10 normal heart specimens. All the 38 specimens were studied morphometrically; this was complemented with angiocardiometry and ventricular volume estimations in diagnosing right ventricular hypoplasia. Based on the study results, the morphometric criteria of ventricular hypoplasias and their variant forms were established. The linear characteristics were found to be informative enough both in hypoplasia diagnosis and in its degree assessment. To choose a therapeutic method, two degrees of right ventricular hypoplasia were distinguished. Radical correction aimed at eliminating concomitant conditions was found to be feasible and performed in 27 patients with moderate right ventricular hypoplasia.