Method of estimating efficiency of chronic prostatitis treatment
SUBSTANCE: one performs ultrasonic echo-dopplerometric investigation of regional blood flow in prostate before and after treatment to determine quantitative parameters. When pulsation index is reduced from 1.39±0.12 before treatment to 1.10±0.09 after treatment and venous blood flow velocity increases, respectively, from 3,91±0.36 to 5,22±0.47, treatment is regarded effective and completed.
EFFECT: increased accuracy of estimation.
The present invention relates to the field of medicine, namely, urology, physiotherapy and balneology, and can be used to assess the effectiveness of treatment of chronic prostatitis.
There are various ways to assess the effectiveness of treatment of chronic prostatitis.
So, there is a method of evaluating the effectiveness of treatment of chronic prostatitis by laboratory studies: General blood and urine tests, swabs from the urethra, the study of the secret of the prostate gland (see Tkachuk V.M., Gorbachev A.G., Golanski LI Chronic prostatitis. - L.: Medicine, 1989. - 205; Ilyin I.I. Nongonococcal urethritis in men. - M.: Medicine, 1991. - 241 S.; Tiktinsky O.L., Mikhailichenko CENTURIES Andrology. - SPb.: Media Press, 1999. - 464 S.).
There is a method of diagnosing prostate fluid and whole blood, which by thin-layer chromatography carried out the determination of phosphatization before and after treatment (see Patent No. 2145088, EN).
Closest to the proposed method is a method of evaluating the effectiveness of treatment of chronic prostatitis by ultrasound scanning, which enables to determine the value, the contours, the severity of the capsule and the symmetry of the prostate (see Tiktinsky O.L., S. Kalinin. The prostate is a male disease. SPb., 1994. - 58 S.; Guide to urology. / Ed. by N.A. is Lopatkina - In 3 volumes. - M.: Medicine, 1998. - 1744 S.).
A disadvantage of known methods is the inability to determine the degree of recovery of disturbed microcirculation in the prostate gland.
The technical result of the proposed method is to improve the accuracy of estimation of efficiency of treatment of microcirculatory disorders in the prostate gland in chronic prostatitis.
New to the achievement of the technical result is that when conducting ultrasonic ehodoplerografiya studies identify quantitative and qualitative parameters of regional blood flow before treatment and after treatment.
What is new is that by reducing pulsation index and increased rate of venous blood flow to their norms consider the treatment of chronic prostatitis effective and complete.
While studying the status of regional blood flow in the vessels of the prostate spend the definition of levels of velocity of venous blood flow, peak velocity of blood flow in systole and in diastole and end-diastolic velocity averaged maximum blood flow velocity. Using the values of quantitative indicators of regional blood flow in the vessels of the prostate, expect quality indicators of the nature regionalnog the blood flow of the affected organ, such as pulsation index and the velocity of venous blood flow.
Pulsatile index (PI) is the ratio of the difference between peak systolic and end-diastolic flow velocity to the time-averaged maximum blood flow velocity.
The rate of venous blood (V) characterizes the state of the tone venules, veins and the presence of venous hyperemia of the pelvic organs, including the prostate gland.
Pulsatile index (see Clinical manual of ultrasound diagnostics. Ed. ITV. - M.: Vidar, 1997. - V.3. - 388 C.) most accurately compared with other indices, reflects the state of the peripheral vascular resistance regional arteries and is used to determine the functional changes in the vascular wall regional arteries.
The authors in the research process it was found that in healthy men is the velocity of venous blood flow (V) varies in the range of 4.5-5.5 cm/sec, while chronic prostatitis is its reduction. Pulsatile index (PI) in healthy men reaches 1,10±0.24, and in men suffering from chronic prostatitis, PI increases.
Comparative analysis of the proposed solutions and prototype shows that the inventive method is characterized by the fact that they are carrying out ultrasonic echodopplerography study is the W state regional blood flow of the prostate, determine the quantitative and qualitative parameters and by reducing pulsation index (PI) and increased rate of venous blood (V) to the norm consider the treatment of chronic prostatitis effective and complete. This corresponds to the criterion "novelty".
A new set of features provides a more accurate assessment of treatment effectiveness that meets the criterion of "industrial applicability".
In the analysis of known methods revealed that they lack information about the impact of the distinctive features of the claimed method on the achievement of the technical result, therefore, the invention corresponds to the "inventive step".
The method is as follows.
The study was conducted in a horizontal position of the patient. With the help of the apparatus ALOKA SSD - 2000 Multi View with a sector probe, operating at a frequency of 3.5 MHz, blocks of color and spectral Doppler, performed the determination of the level velocity of venous blood flow, peak systolic and diastolic velocities averaged maximum blood flow velocity. Using the value of quantitative indicators, calculated quality indicator - pulsatile index (PI), i.e. the ratio of the difference between the peak systolic and end diastolic blood flow velocity to the time-averaged maximum the second flow velocity.
Complex treatment of patients with chronic prostatitis includes in addition to traditional methods (antibacterial, anti-inflammatory drugs, hormones, vitamins, massage prostate, mineral sodium chloride baths with a salinity of 30 g/DM3t°36-37°, lasting from 6 to 10 minutes, every other day) application of peloids in the form of applications and rectal swabs of different temperature. All patients (n=122) received rectal swabs (200 grams mud on 1 tampon, duration 20 minutes, every day, for a course of 10 treatments), application sapropelic mud on the type of "briefs" (duration of 20 minutes, a day, a course of 10 treatments). The temperature of the sapropelic mud amounted to t°40-42°C.
The proposed method evaluated the efficacy of treatment in 122 patients with chronic prostatitis aged 18-55 years.
All patients were examined modern generally accepted methods (clinical, laboratory, microbiological, ultrasonic). A single patient complications when conducting research is not marked.
In the study in CP patients in long term after treatment showed positive dynamics of ultrasonic parameters of the prostate and data echodoppler (indexes peripheral vascular resistance is possible), (see table).
Long-term results of treatment were traced in all patients by re-survey a year after the Spa treatment. They were considered bad, if the treatment effect did not exceed three months, and satisfactory to six months. When more prolonged effect of the treatment results were evaluated as good (Recommendations Tniikip Ministry of health, USSR, 1961).
These actoplusmet in CP patients before and after treatment (M±m)
|The indexes of peripheral vascular resistance||The ball group (n=122)|
|before the treatment||after the treatment|
|The velocity of venous blood flow, cm/sec (V)||3,91±0,36||5,22±0,47*|
|Note: * - p<0,05.|
The proposed method of assessing the efficacy of treatment of chronic prostatitis is illustrated by the following example.
Patient N., 26 years old, came with complaints of infertility in marriage in the last 3 years, pain in the perineum with irradiation in the sacrum of the region.
During the detailed survey revealed: married 5 years, have one child - 2 years last 3 years, a sexual life regular, without the use of contraceptives, periodic pains in the perineum with irradiation in the sacral area. In somatic status revealed no pathology.
Status localis: external genitals are developed correctly, hair growth on the male type, inguinal lymph nodes up to 1-1,5 cm in diameter, mjagkoellasticheskih consistency, painless. The penis is well developed coronary groove and bridle without features, the urethral sponge is not swollen, not hypermonogenic, discharge from the urethra not, pendulous scrotum, with a strong folding, testicles size 2.5×1.5 cm, photoelasticity consistency, epididymis 0,6×0.6 cm, mjagkoellasticheskih consistency, painless. When finger rectal examination: the tone of the anal sphincter saved, ampulla of the rectum is free, the prostate gland is diffusely enlarged, testovaty consistency, with lots of seals, painful on palpation. The laboratory examination revealed: in smears from the urethra leukocytes 0-1-1 in the field of view of the microscope, in the scraping of the urethra detected Chlamydia trachomatis antigen, while sowing urethral pathogenic microorganisms were not detected in the secret of the prostate gland leukocytes 30-40 in the field of vision, epithelial cells isolated, lecithinated moderately (++). Bacteriological sowing secret of a prostate cancer selected pathogenic microflora - Pseudomonas aeruginosa, total bacterial count 10000.
After 3 days of abstinence from sexual activity is obtained and investigated the ejaculate: volume of 2.5 ml, total sperm count is 175 million, the number of spermatozoa in 1 ml of 70 million, of which have a rectilinear translational motion is 20%, liquefaction time - 45 min, the viscosity after dilution - 4-5 mm, number of cells - 6 million/ml Content of steroid hormones in serum: estradiol 44 ng/l, testosterone and 3.8 ng/ml At ultrasonography of prostate size 34×41×29 mm with fuzzy and rough contours, heterogeneous echostructure and liquid inclusions. When the duplex echodoppler: PI - 1,43; V - 3,82 cm/sec, i.e. the reduction of the inflow of arterial blood and obstruction of the outflow of venous blood.
The diagnosis: a Chronic infectious prostatitis, remission, complicated human fertility. Infertility 11. Asthenozoospermia. Chlamydial urethritis.
Patients received combined treatment with the use of sapropelic mud t°40-42°C (mud rectal tampons, 20 minutes per procedure, daily, for a course of 10 treatments and mineral sodium chloride baths, 10 minutes to 1 procedure through a day, a course of 10 treatments), and started antibacterial therapies into account the sensitivity of the selected microflora to antibiotics and their tropism to the tissues of the prostate, at the same time carried out sanitation of sexual partners. On the 5th day from."the beginning of the course of complex treatment of pain disappeared.
In the study of ejaculate after treatment: the volume of 3.8 ml, total sperm count - 326,8 million, the number of spermatozoa in 1 ml of 86 million, of which have a rectilinear translational movement of more than 55%, time dilution of 30 minutes, the viscosity after dilution of 2-3 mm, the number of leukocyte - 1.5 million/ml bacteriological sowing of the decree of the prostate pathogenic microflora is not sown. At ultrasonography of prostate size 31×38×22 mm, with a clear and smooth contours, homogeneous echostructure and without liquid inclusions. If echodoppler: PI - 1,08; V - 5,44 cm/sec, i.e. the indicators correspond to the healthy person. The concentration levels of steroid hormones also corresponded to normal. 4 months after the end of treatment the wife of the patient's pregnancy ended with the birth of a healthy child. Continued traced for 1.5 years, indicators of semen and prostate fluid is not adversely affected.
Thus, the proposed method of assessing the efficacy of treatment of chronic prostatitis accurately to assess the effectiveness of remedial measures.
The method of evaluating the efficiency cured what I chronic prostatitis by ultrasound, characterized in that conduct ultrasonic echodopplerography study of regional blood flow of the prostate before and after treatment with the determination of quantitative parameters and by reducing pulsation index of 1.39±0.12 to treat up to 1.10±0,09 after treatment and increased velocity of venous blood flow (cm/s) from 3.91±0.36 to treatment before 5,22±0,47 after treatment consider treatment effective and complete.
SUBSTANCE: method involves determining microcirculation indices in rest state by applying Doppler laser flowmetry method and capillary blood circulation reserve indices in occlusion sample under cuff pressure being 30 mm of mercury column as high as the systolic patient blood pressure during 3 min. Cardiorespiratory disorders development is predicted in postoperative period, The microcirculation indices being greater than 6.0 perfusion units in combination with capillary blood circulation reserve indices being greater than 300% or microcirculation indices being below than 4.5 perfusion units in combination with capillary blood circulation reserve indices being greater than 200%.
EFFECT: high accuracy of prognosis.
SUBSTANCE: method involves carrying out visual and rectal examination. Peripheral blood circulation speed is measured in rectovaginal partition blood vessels. Rectovaginal partition folds are detected and increase in its thickness. Levators separation exceeding 20 mm is determined. Fibrous degeneration of rectovaginal partition is detected. Reduced blood circulation speed in levators is detected. Anterior rectocele is diagnosed. Values are measured by introducing ultrasonic transducer into the rectum. One of versions assumes introduction of hygienic intravaginal tampon into the vagina.
EFFECT: high reliability of diagnosis.
2 cl, 8 dwg
SUBSTANCE: method involves examining retina light sensitivity degree using computer-aided perimetry approach within 60° bandwidth from fixation point. Direct orbital muscle thickness and retrobulbar space volume is additionally determined by applying ultrasonic b-scanning method. Linear blood circulation speed and resistance index are also determined in the central retinal artery and posterior short ciliary arteries. Macular or general light sensitivity reduction 25% and more relative to age-specific norm being observed together with 50% growth and more in direct orbital muscle thickness, retrobulbar space volume growth by more than 35% in combination with linear blood circulation speed reduction in the central retinal artery and posterior short ciliary arteries by 40% and more and increasing resistance index by 20% and more relative to physiologic norm, optic nerve abnormality is diagnosed at early disease stages.
EFFECT: high reliability of diagnosis.
SUBSTANCE: method involves diagnosing gestosis severity degree with clinical signs and blood circulation being studied. Ultrasonic examination with Doppler color mapping is carried out in female patients manifesting fuzzy clinical symptoms. Intrarenal artery resistance index is determined. The value being within 0.62-0.65%, mild gestosis is to be diagnosed. The value being within 0.66-0.69%, moderate severity degree gestosis is to be diagnosed. The intrarenal artery resistance index being equal to or greater than 0.7%, severe gestosis cases are to be diagnosed.
EFFECT: high accuracy of diagnosis; noninvasive diagnosis method.
SUBSTANCE: method involves making lumbar puncture and measuring liquor pressure, taking pleocytosis into account, making ultrasonic transcranial Doppler flowmetric examination of brain, determining linear blood circulation speed on interior carotid artery and posterior cerebral artery, detecting intracranial venous discharge disorders through orbital and vertebral veins. Regression coefficient is calculated from a formula
where X1 is patient age (in years); X2 is the pleocytosis in the first lumbar sample (in cells number per 1 mcl of liquor); X3 is the meningitis symptoms duration (in days); X4 is the focal symptoms availability (1- yes, 0- no); X5 is the general cerebral symptoms duration (in days); X6 is the liquor pressure when taking the first lumbar puncture (in mm of mercury column); X7 is the linear blood circulation speed in interior carotid artery (in Hz/s); X8 is the linear blood circulation speed in posterior cerebral artery (in Hz/s); X9 is the intracranial venous discharge disorders based on ultrasonic transcranial Doppler flowmetric examination data; retrograde discharge through orbital veins, increased one through vertebral veins and others (1- yes, 0- no). Value of y≤0.5, unfavorable outcome is to be predicted with cerebroasthenic, asthenoneurotic and hypertension syndromes being formed. If y>0.5, favorable infectious process outcome is to be predicted.
EFFECT: high accuracy of diagnosis.
FIELD: medicine, ophthalmology.
SUBSTANCE: the present innovation deals with methods for diagnostics of vascular pathology of optic nerve (ischemic opticopathies) and, also, predicting vascular pathology of optic nerve lesion and counterlateral eyeball. One should perform dopplerographic registration of circulatory parameters: peak systolic velocity PSV cm/sec and end diastolic velocity EDV cm/sec on the 2nd, 3d min both before and at the background of functional loading: dealing with lifting legs up to 90° in area of internal carotid artery, central retinal artery and ciliary artery. Moreover, calculation of resistant index RI c. u. should be performed by the following formula (PSV cm/sec - EDV cm/sec)/PSV cm/sec and reactivity index RY c.u. by the following formula PSV cm/sec after loading/PSV cm/sec before loading. At RI value being above 0.7 and RY value being below 1.0 one should detect deterioration of visual functions and the absence of circulatory reserves in tested eye and counterlateral one. At RI value being below 0.7 and RY value being above 1.0 it is possible to detect the maintenance of visual functions and circulatory reserves in tested and counterlateral eyes. The innovation enables to accelerate and simplify the trial and carry out it with available physical loading for a patient without applying any additional appliances and medicinal preparations.
EFFECT: higher efficiency and accuracy of diagnostics and prediction.
6 dwg, 3 ex, 2 tbl
FIELD: medicine, cardio-vascular surgery.
SUBSTANCE: one should perform ultrasound scanning of the 1st volar metacarpal artery both before and at the background of radial artery compression, moreover, at decreased peak systolic rate of circulation in the 1st volar metacarpal artery at the background of compression by 40% or less against peak systolic rate of circulation before compression one should diagnose ulnar type of wrist's circulation and at decreased peak systolic rate of circulation at the background of compression by more than 40% against peak systolic rate of circulation before compression or at appearance of retrograde circulation one should diagnose radial type of wrist's circulation.
EFFECT: higher efficiency and accuracy of diagnostics.
6 dwg, 2 ex
FIELD: medicine, otorhinolaryngology.
SUBSTANCE: one should detect amplitude-frequency circulatory characteristics in mucosal microcirculation system of inferior concha at the side of lesion due to laser Doppler flowmetry: AmaxCF/σ - circulatory fluctuations synchronized with cardiorhythm; IFM - index of flux motions, the ratio between active and passive mechanisms of circulatory regulation in microcirculation system. In 3-4 d all measurements should be repeated. If AmaxCF/σ value is increased at simultaneous decrease of IFM value one should consider the treatment to be efficient. The present innovation enables to obtain objective parameters of maxillary sinus state.
EFFECT: higher accuracy of detection.
FIELD: medicine, cardiology.
SUBSTANCE: one should perform colored duplex sonography by measuring the resistance index in tibial arteries to evaluate the degree of functional insufficiency in lower limbs, that is at R1 being above 1.0 - the first stage, at R1 being 1.0-0.4 - the second stage, at R1 being below 0.4 and up to 0.2 - the third stage and at R1 being below 0.2 - the fourth stage should be detected. The method enables to objectively and quantitatively evaluate ischemic stages in case of occluding arterial diseases of lower limbs.
EFFECT: higher efficiency of evaluation.
12 dwg, 2 ex, 1 tbl
FIELD: medicine, juvenile neurology.
SUBSTANCE: one should measure the values of cerebral hemodynamics, calculate the index of resistance (IR) in fetal internal carotid artery in pregnant woman at 38-41-wk-long gestation due to ultrasound dopplerography. At IR values ranged 0.8 and higher one should predict the development of perinatal cerebral lesion of light and average severity degree, and at 0.6 and lower - severe degree. The method applies more adequate value of circulation.
EFFECT: higher accuracy of prediction.
3 ex, 1 tbl
SUBSTANCE: method involves carrying out ultrasonic scanning examination of subclavian artery over its whole extent in physiological arm position with arterial blood pressure being measured in the middle one third of the arm. Next, when applying compression tests, blood circulation parameters variations are recorded in distal segment of the subclavian artery with arterial blood pressure being concurrently measured. Three degrees of superior thorax aperture syndrome severity are diagnosed depending on reduction of linear blood circulation velocity and arterial blood pressure compared to their initial values. Mild one takes place when linear blood circulation velocity reduction reaches 40% and arterial blood pressure 20% of initial level, moderate one when linear blood circulation velocity reduction reaches 70% and arterial blood pressure 50% and heavy one when linear blood circulation velocity reduction is greater than 70% of initial level and arterial blood pressure is greater than 50% to the extent of no blood circulation manifestation being observed in the subclavian artery.
EFFECT: high accuracy of diagnosis.
FIELD: medicine, urology.
SUBSTANCE: one should conduct subcutaneous prevocational tuberculin test and, additionally, both before the test and 48 h later it is necessary to perform the mapping of prostatic vessels and at decreased values of hemodynamics one should diagnose tuberculosis. The information obtained should be documented due to printing dopplerograms.
EFFECT: more reliable and objective information.
1 ex, 1 tbl
FIELD: medicine; medical engineering.
SUBSTANCE: method involves applying ultrasonic Doppler echolocation techniques for scanning blood circulation at selected area of cardiovascular system, determining blood circulation velocity vector projections and calculating blood circulation speed. Echolocation is carried out by using at least three non-complanar probing ultrasonic rays set at angles relative to selected area of cardiovascular system in the range of 0-±80°. Selected blood circulation area orientation angles are measured relative to scanning ultrasonic rays and Doppler frequency shifts in each measuring channel are determined. Blood circulation speed is calculated as where ω0i is the radiation frequency of ultrasonic oscillation in ray I, Δωi is the Doppler frequency shifts in measuring channel i, V is the ultrasonic wave propagation speed in the medium, ϑk is the blood circulation speed in selected area, ϑki is the blood circulation velocity projection to scanning ray i, a,b,c,h,k,n11,n12,n13 are the coefficients depending on ultrasonic rays orientation. The device has measuring unit having ultrasonic transducers and electronic unit having switch, high frequency oscillator, calculating unit, indication and control unit. The measuring unit is manufactured as bracelet which segments are connected to each other by means of adjustable hinges and has gages for measuring lateral segment orientation angles relative to the central segment and gages for measuring ultrasonic transducer orientation angles relative to the i-th segment where i = 1,2,3, connected to calculating unit, switch, indication and control unit connected to high frequency oscillator, ultrasonic transducers of the measuring unit are connected via the switch to the high frequency oscillator.
EFFECT: high accuracy of measurements; wide range of functional applications.
2 cl, 2 dwg
SUBSTANCE: method involves measuring forced exhalation volume per 1 s. Systolic pressure in pulmonary artery and ratio of maximum blood circulation speeds through tricuspid valve into diastole. Prediction is carried out on basis of value calculated from mathematical formula including measured and calculated parameters.
EFFECT: enhanced effectiveness of prediction.
SUBSTANCE: method involves measuring forced exhalation volume per 1 s (FEV1) in l, full right ventricle evacuation time (RVE) in ms and angiotensin II value (AII) in ng/l. Discriminant relationship is built as D=0.504·RVE+3.038·FEV1 - 2.0·AII. D being less than 83.88, pulmonary hypertension occurrence is predicted within 1 year. D being equal to or greater than 83.88, no pulmonary hypertension is predicted to occur.
EFFECT: enhanced accuracy of prediction.
FIELD: medicine, nephrology.
SUBSTANCE: one should detect circulation rate characteristics and vessel's diameter due to dopplerography, moreover, on should measure vessel's diameter directly in area of anastomosis, as for circulation rate characteristics they should be determined in constant-wave Doppler mode in area of circulation's maximal rate. Moreover, one should measure anastomosis' cross-sectional area and heart rate, moreover, one should calculate circulatory volume through anastomosis by the following formula: V(ml/min) = A VTI HR, where A - anastomosis' cross-sectional area (sq. cm), VTI - integral of circulatory linear rate through anastomosis (cm), HR - heart rate.
EFFECT: higher accuracy of detection.
4 ex, 1 tbl
SUBSTANCE: method involves determining linear blood circulation speed above and below diaphragm using dopplerography approach. State severity class is determined as healthy, recovering and heavy from measured linear velocities ratio. Applied therapy effectiveness is determined on the measured linear velocities ratio exiting beyond the scope of severity class range, when analyzing patient state dynamics.
EFFECT: high accuracy in estimating patient health state.
FIELD: medicine, hepatology.
SUBSTANCE: one should detect splenic length in mm (X1) and circulation in portal vein, moreover, additionally, on should detect volumetric circulation in splenic vein in cu. cm/min. (X2), the index for the ratio of volumetric circulation in splenic vein to the area of longitudinal splenic section (X3), circulatory direction in left-hand gastric vein (X4) by establishing its direction towards the liver to be 1, from the liver to be 2, diameter of splenic artery in cm (X5) and transhepatic portal volumetric circulation in cu. cm/min. (X6), then one should calculate discriminant function Z = 15.9850 - 0.0187X1 + 0.2006X3 - 1.9025X4 - 19.0493X5 - 0.0025X6, where Z - the criterion for predicting "healthy-sick" state; then it is necessary to detect the group with hepatic diseases by the value of Z ≤ 1.621 to calculate for them discriminant function Y = 9.7396 - 0.0279X1 - 0.0018X2 + 0.1873X3 - 4.9174X4, where Y - the criterion to predict "patients with chronic hepatitis - patients with cirrhosis" state and at Y > 1.239 one should diagnose chronic hepatitis, at Y ≤ 1.239 - cirrhosis.
EFFECT: higher efficiency of diagnostics.
FIELD: medicine, cardiology, endocrinology, gynecology.
SUBSTANCE: one should detect informational-valuable signs of patient's state, such as either the presence or absence of hypertonic disease and uterine extirpation together with adnexa, the value of body weight index, predominance of disorders according to modified menopausal index (MMI)such as autonomic, metabolic-endocrine or psycho-emotional ones, the type of metabolic structures of blood serum, moreover, it is necessary to echocardiographically detect stroke volume, cardiac index and systemic vascular resistance (SVR), at ultrasound testing one should detect maximal linear rate of circulation (LRC max) by medial cerebral artery and thyroid alterations, rheovasographically one should detect specific circulation (SC) of shins, at testing laser doppler flowmetry one should detect microcirculation index, biochemically it is necessary to detect the value of beta-adrenoreactivity, cholesterol level and that of B-lipoproteides, crystallographically - the presence of serotonin and dopamine crystals, due to immunoenzymatic assay on should detect the values by Table 1 and then after obtaining the values of diagnostic coefficients of every parameter it is necessary to summarize them and obtain diagnostic index (DI), at its value being below 10 one should state no alteration, at its value 10-10 - undetermined state, at its value being 21-30 - the 2nd severity degree of disorders, and at DI value being above 31 one should state the 3d severity degree of disorders available.
EFFECT: higher accuracy of evaluation.
5 ex, 2 tbl
FIELD: medicine, obstetrics, gynecology.
SUBSTANCE: one should study circulation in one of fetal renal arteries during the second half of third trimester of pregnancy. At increased resistance index from 0.81 and higher and, correspondingly, systolodiastolic ratio - from 5.1 and higher - one should fix the presence of fetal hypoxia and the necessity for urgent correction of this state. The suggested method increases the number diagnostic preparations and enables to increase the significance of predicting the state of neonatals.
EFFECT: higher accuracy of evaluation and prediction.
5 dwg, 5 ex, 1 tbl