Method of determining degree of individual stability to decompression sickness of 20-30 year old men-divers

FIELD: medicine.

SUBSTANCE: invention relates to field of medicine, in particular to the field of marine medicine, and can be applied in practice of diving medicine for determination of degree of individual stability to decompression sickness (DS) in 20-30 year old men-divers. Estimation of clinical data, obtained in determination of the state of the organism's functions, is carried out. 30 minutes before and 30 minutes after submersion in pressure chamber under water carried out are: submersion to 30 metre depth, staying at said depth for 1 hour and 63 minute long decompression. Parameters, characterising the state of central nervous and cardiovascular system are determined, after which index of stability of DS (ISDS) is determined by formula: ISDS=1.243+0.0004×EI+0.074×EC+0.02×PP-0.072×CFLFF-0.004×SVMR-0.012×DAP, where: EI is Evans index, measured before descent, making it possible to estimate external heart work (conv.units); EC is endurance coefficient by Quaas, measured before descent, characterising detraining of myocardium (conv.units); PP is pulse pressure, measured after descent (Hg mm); CFLFF is critical frequency of light flash fusion, measured after descent (Hz); SVMR is simple visual-motor response, measured before descent (ms); ARP is diastolic arterial pressure, measured after descent Hg mm). If value is below 1.4, high degree of stability of DS is determined in diver, from 1.41 to 2 - medium degree of stability to DS and higher than 2.1 - low degree of stability to DS.

EFFECT: method makes it possible to increase accuracy of determining degree of individual stability to DS in 20-30 year old divers.

3 ex

 

The invention relates to medicine, in particular to the field of Maritime medicine, can be used in the practice of diving medicine to determine the degree of individual resistance to decompression sickness (DB) men divers aged 20-30 years by assessing the clinical data obtained in the determination of the status of the functions of the body before and after immersion in the water in the chamber.

Known methods of determining the individual stability of a person to DB using ultrasonic echo-location decompression of gas bubbles in the venous blood flow (wolves L.K. Study patterns of decompression gas formation in vivo by the method of ultrasonic location: dis....Kida. the honey. Sciences / L.K. wolves - L.: military medical Academy, 1975. - 160 S.; Gramenitskiy PM Decompression disorders.// Problems of space biology. T.XXV. 1974, 349 S.; Spenser M.P. Safe decompression with the doppler ultrasonic blood bubble detector / M.P. Spenser, D.C. Johanson, S.D. Campbell // Proc. 5-th Symp. Underwater Discrimination. Bethesda, Maryland, 1976. - P.311-325; Patent 2370204 C2 of the Russian Federation, IPC AV 5/00. The method of determining the degree of individual resistance to decompression sickness./ A.A. Miasnikov, A. Shitov, A.V. Starovoit, ALEXANDER Starkov; GOU VPO Military medical Academy. S.M. Kirov. No. 2006139481/14; Appl. 07.11.2006; publ. 20.10.2009 // Invention. Utility models: offic. bull. - M.: FIPS, 2009 No. 29).

N is the abundance of known methods is that, what they require complex diagnostic (ultrasound) equipment. Moreover, the known methods do not have sufficient accuracy and do not allow to independently evaluate the resistance to DB men of a certain age. In this way determine the degree of individual resilience to DB male divers aged 20-30 years by assessing the clinical data obtained by opredelennii condition body functions, before and after immersion in the water in the chamber in the available literature are not considered. In our opinion, the closest analogue (prototype) is a method described as "Patent 2370204 C2 of the Russian Federation, IPC AV 5/00. The method of determining the degree of individual resistance to decompression sickness. / A.A. Miasnikov, A. Shitov, A.V. Starovoit, ALEXANDER Starkov; GOU VPO Military medical Academy. S.M. Kirov. No. 2006139481/14; Appl. 07.11.2006; publ. 20.10.2009 // Invention. Utility models: offic. bull. - M.: FIPS, 2009. No. 29". This method is based on the study of heart rate at rest and during exercise. At the same time determine the number of captured ultrasound (used ultrasound equipment) gas bubbles in the venous blood and the formula to determine the level of intravascular gas. This method, in our opinion, is not you who Oka exactly determine the degree of individual resilience divers to the DB.

The aim of the invention is to improve the accuracy of determining the extent of individual resistance to decompression sickness in divers men aged 20-30 years.

The objective is achieved by the fact that there is a way to determine the degree of individual resilience to DB by evaluating clinical data, characterized in that the evaluation of clinical data for men divers aged 20-30 obtained in the determination of the status of the functions of the body, exercise for 30 minutes before and 30 minutes after immersion in the chamber: dive to a depth of 30 meters, a stay at this depth for 1 hour and decompression for 63 minutes and determine the parameters characterizing the state of the Central nervous and cardiovascular system, and then determine the index of resistance to DB (IADB) by the formula:

IDB=1,243+0,0004×IE+0,074×KV+0,02×PD-0,072×kcsm-0,004×PSMR-0,012×DBP

where:

The IE - index Evans, measured before the descent, allowing to estimate the external heart work (used);

KB is a coefficient endurance at Kvasu measured before the descent, characterizing the detraining of the myocardium (used);

PD - pulse pressure measured after lowering (mm Hg);

Kcsm - critical frequency of fusion of light flashed measured after the descent (Hz);

PSMR - simple visual-motor reaction, measured before the descent (MS);

<> DBP - diastolic blood pressure measured after lowering (mm Hg),

and when it is up to 1.4 in diver determine a high degree of resistance to DB, from 1.41 to 2 - average degree of resistance to more than 2.1 DB and a low degree of resistance to DB.

The method is implemented as follows:

Used method to determine the degree of individual resilience to DB by evaluating clinical data, characterized in that the evaluation of clinical data for men divers aged 20-30 obtained in the determination of the status of the functions of the body, exercise for 30 minutes before and 30 minutes after immersion in the chamber: dive to a depth of 30 meters, a stay at this depth for 1 hour and decompression for 63 minutes and determine the parameters characterizing the state of the Central nervous and cardiovascular system, and then determine the index of resistance to DB (IADB) by the formula:

IDB=1,243+0,0004×IE+0,074×KV+0,02×PD-0,072×kcsm-0,004×PSMR-0,012×DBP

where:

The IE - index Evans, measured before the descent (used);

KB is a coefficient endurance at Kvasu measured before the descent (used);

PD - pulse pressure measured after lowering (mm Hg);

Kcsm - critical frequency of fusion of light flashed measured after the descent (Hz);

PSMR - simple visual-motor reaction, Serenade descent (MS);

DBP - diastolic blood pressure measured after lowering (mm Hg),

and when it is up to 1.4 in diver determine a high degree of resistance to DB, from 1.41 to 2 - average degree of resistance to more than 2.1 DB and a low degree of resistance to DB.

For example, it is necessary to determine the degree of individual resilience to DB male diver at the age of 23. To do this diver for 30 minutes before the dive measure index Evans, the coefficient endurance at Kvasu, simple visual-motor reaction and placed in a chamber, then immersed to a depth of 30 meters, stand at the depth of 1 hour, followed by decompression for 63 minutes, remove the diver from the chamber and through 30 minutes after leaving the vacuum chamber is measured pulse pressure, critical frequency of light flashed and diastolic blood pressure. In the evaluation of clinical data the following results are obtained: index Evans - 5325 used, the coefficient endurance at Kvasu - 10,2 used, pulse pressure of 65 mm Hg, the critical frequency of light flicker is 34.5 Hz, simple visual-motor reaction - 238,2 MS, diastolic blood pressure - 73 mm Hg Using the formula, calculate the index of resistance to DB (IADB):

IDB=1,243+0,0004×5325+0,074×10,2+0,02×65-0,072×34,5-0,004×238,2-0,012×73

IDB=1,243+2,13+0,754+1,3-2,48+0,952-0,876

And what DB=1,12

Therefore, IDB will, in this case, less than 1.4, so the diver determine a high degree of resistance to DB.

For example, it is necessary to determine the degree of individual resilience to DB male diver at the age of 25 years. To do this diver for 30 minutes before the dive measure index Evans, the coefficient endurance at Kvasu, simple visual-motor reaction and placed in a chamber, then immersed to a depth of 30 meters, stand at the depth of 1 hour, followed by decompression for 63 minutes, remove the diver from the chamber and through 30 minutes after leaving the vacuum chamber is measured pulse pressure, critical frequency of light flashed and diastolic blood pressure. In the evaluation of clinical data the following results are obtained: index Evans - 6131 used, the coefficient endurance at Kvasu - 13,4 used, pulse pressure is 78 mm Hg, the critical frequency of light flicker is 37.3 Hz, simple visual-motor reaction - 242,4 MS, diastolic blood pressure - 68 mm Hg Using the formula, calculate the index of resistance to DB (IADB):

IDB=1,243+0,0004×6131+0,074×13,4+0,02×78-0,072×37,3-0,004×242,4-0,012×68

IDB=1,243+2,452+0,991+1,56-2,685+0,969-0,816

IDB=1,77

Therefore, IDB will, in this case, more 1,41, but less than 2, so the diver determine the average degree of resistance to D is.

For example, it is necessary to determine the degree of individual resilience to DB male diver at the age of 27 years. To do this diver for 30 minutes before the dive measure index Evans, the coefficient endurance at Kvasu, simple visual-motor reaction and placed in a chamber, then immersed to a depth of 30 meters, stand at the depth of 1 hour, followed by decompression for 63 minutes, remove the diver from the chamber and through 30 minutes after leaving the vacuum chamber is measured pulse pressure, critical frequency of light flashed and diastolic blood pressure. In the evaluation of clinical data the following results are obtained: index Evans - 6874 used, the coefficient endurance at Kvasu - 14,5 used, pulse pressure is 76 mm Hg, the critical frequency of light flickering - 34,1 Hz, simple visual-motor reaction - 231.3 of which MS, diastolic blood pressure - 64 mm Hg Using the formula, calculate the index of resistance to DB (IADB):

IDB=1,243+0,0004×6874+0,074×14,5+0,02×76-0,072×34,1-0,004×231,3-0,012×64

IDB=1,243+2,749+1,073+1,52-2,455+0,952-0,768

IDB=2,41

Therefore, IDB will, in this case, more than 2, so the diver define a low degree of resistance to the DB.

We conducted a survey of 53 divers aged 20-30 years using the previous method (Patent RF №2370204) and the development of otango our method showed the following. When using the previous method, the degree of resistance divers were as follows: high degree of resistance showed 17 people (32% of subjects), the average degree of stability - 24 person (45,3% of the test) and a low degree of resistance to 12 people (22,7%). When using the developed method, the degree of stability of divers as follows: high degree of resistance showed 19 people (35.8% of subjects), the average degree of sustainability - 17 people (32.1% of subjects) and a low degree of resistance to 17 people (32,1%). From the analysis of the obtained data suggest that the use of the developed method reduces the number of persons with secondary resistance to DB (13.2%) due to the increase in persons with low (9.4%) and high resistance (3.8%) to decompression sickness, which in turn indicates a more precise definition of sustainability divers to this disease.

Thus, by assessing the clinical data obtained in the determination of the status of the functions of the body, before and after immersion in the water in the chamber can increase the accuracy of determining the degree of individual resistance to decompression sickness in divers men aged 20-30 years.

The method of determining the degree of individual resistance to decompression sickness (DB) by assessing the CL is technical data characterized in that the evaluation of clinical data for men divers aged 20-30 obtained in the determination of the status of the functions of the body, exercise for 30 minutes before and 30 minutes after immersion in the chamber: dive to a depth of 30 meters, a stay at this depth for 1 hour and decompression for 63 minutes and determine the parameters characterizing the state of the Central nervous and cardiovascular system, and then determine the index of resistance to DB (IADB) by the formula:
IDB=1,243+0,0004×IE+0,074×KV+0,02×PD-0,072×kcsm-0,004×PSMR-0,012×DBP
where:
The IE - index Evans, measured before the descent, allowing to estimate the external heart work (used);
KB is a coefficient endurance at Kvasu measured before the descent, characterizing the detraining of the myocardium (used);
PD - pulse pressure measured after lowering (mm Hg);
Kcsm - critical frequency of fusion of light flashed measured after the descent (Hz);
PSMR - simple visual-motor reaction, measured before the descent (MS);
DBP - diastolic blood pressure measured after lowering (mm Hg),
and when it is up to 1.4 in diver determine a high degree of resistance to DB, from 1.41 to 2 - average degree of resistance to more than 2.1 DB and a low degree of resistance to DB.



 

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5 cl, 4 dwg, 2 ex, 17 tbl

FIELD: medicine, psychotherapy.

SUBSTANCE: the method deals with correcting neurological and psychopathological disorders with anxiety-phobic symptomatics due to individual trainings. The method includes evaluation of body reaction to stimulating signals, seances of individual training performed due to the impact of two quasiantipodal stimulating signals of similar physical modality applied in time of sporadic character, and as a signal one should present biological feedback for the altered value of physiological parameter adequately reflecting body reaction to the impact of stimulating signal. At the first stage of training it is necessary to achieve body adaptation to the impact of quasiantipodal stimulating signals, at the second stage it is necessary to obtain conditional reflex for one out of stimulating signals, for this purpose one should accompany this stimulating signal with discomfort impact, during the third stage, finally, due to volitional efforts one should suppress body reaction to stimulating signal. The devise suggested contains successively connected a transformer of physiological parameter into electric signal and a bioamplifier, an analysis and control block with a connected block to present the signals of biological feedback, a block for presenting discomfort impact, an indication block and that of forming and presenting quasiantipodal stimulating signals. The innovation enables to have skills to control one's emotions, decrease sensitivity threshold to environmental impacts and learn to how behave during stress situations.

EFFECT: higher efficiency of training.

15 cl, 8 dwg

FIELD: medicine.

SUBSTANCE: method involves measuring patient weight, recording age and sex of the patient. The patient is positioned in front of computer display unit. The data are inputted into the computer comprising software containing a program for estimating organism organs and systems condition. The following organs are detected. Lung, spleen, heart, kidneys, liver are proved for having deviations from norm with negative sign towards hypofunction or with positive sign towards hyperfunction. The data are displayed with the program on the screen as a table with reference and current values being shown in relative units with plus or minus sign. Canal states are estimated from detected organs being under maximum stress on the basis of infogram: lung canal P, spleen - canal RP, heart - canal C, kidneys - canal R, liver - canal F. When estimating organ state with deviation having plus sign, that means hyperfunction, canal state is estimated as having energy excess. When organ state deviation has plus sign, that means hyperfunction, canal state is estimated as having lack of energy. Eye diseases are diagnosed from state of organs and canals of P, RP, C, R and F. Hyperfunction in organ and excess in canal being available, initial ophthalmic disease stage is diagnosed. Hypofunction in organ and deficit in canal being available, chronic ophthalmic disease stage is diagnosed.

EFFECT: wide range of functional applications.

3 cl, 7 tbl

FIELD: medicine.

SUBSTANCE: method involves carrying out situation, planning, self-control and correction analysis. Volitional effort is included into functional self-organization process structure components. Functional self-organization process structure components characterize the following individual human specific characteristics: 1) goal-setting as taking and retaining aims; 2) situation analysis as revealing and analyzing circumstances essential from the point of view of achieving the set goal; 3) planning as scheduling private activity; 4) volitional effort as changing private activity sense; 5) self-control as controlling and estimating private actions; 6) correction as adjusting private goals, situation analysis, plan of actions, private activity sense, estimation criteria and self-control forms. Human self-organization process structure diagnosis is set after relaxation training aimed at relieving emotional effort and overfatigue. The relaxation training is exercised in coachman position with calming musical accompaniment and comprises the following stages: 1) respiratory exercises (inspiration duration is equal to expiration one, breath is hold between the inspiration and expiration for a time twice as short as inspiration time) 4 min long; 2) relaxation exercises (invoking heaviness and warmth sensation) of head, arms, legs and body -8 min long; 3) rest in maximum relaxation state - 4 min long.

EFFECT: high accuracy of diagnosis.

3 cl, 1 tbl

FIELD: medicine.

SUBSTANCE: method involves showing sequence of two luminous pulses of 10 ms duration separated by 150 ms long pause. The pulses are repeated in constant 1.5 s long interval. Pause duration between two luminous pulses is reduced at the first measurement stage at constant speed of 20ms/s until a testee fixes fusion of two luminous pulses into single one in subjective assessment mode. Pause duration between two luminous pulses is increased at the second measurement stage with given constant step of 0.4 ms until the testee identifies the moment of subjective perception of two luminous pulses separation. Pause duration is reduced in discrete mode with given constant 0.1 ms long step at the third measurement stage until the testee identifies the moment of subjective perception of two luminous pulses fusion into single one. Human vision system persistence time is determined to be equal to pause duration between two luminous pulses when subjective fusion into single pulse takes place at the third measurement stage.

EFFECT: high accuracy in determining human vision system persistence time.

3 dwg

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