Saratov JOURNAL of Medical and Scientific Research

Usanov D.A.

Saratov State University, Head of Department of Solid-state Physics, Professor, Doctor of Physico-mathematical Science

Distant thermography and analysis of pupillary reactions in diagnostics of primary openangle glaucoma

Year: 2012, volume 8 Issue: №2 Pages: 266-270
Heading: Ophtalmology Article type: Original article
Authors: Lopatinskaya N.R., Kamenskih T.G., Usanov D.A., Skripal A.M., Vagarin A.Yu., Sagaidachny A.A.
Organization: Saratov State Medical University
Summary:

Research objective: comparative analysis of distant thermography, Doppler ultrasound and pupillary reactions in patients with primary open-angle glaucoma at various stages of the disease with compensated intraocular pressure. Materials. 129 patients (216 eyes) with diagnosis of POAG at various stages ofthe disease (the main group) have been examined. Intraocular pressure has been normalized with medications, or with medications + laser surgery. The control group has consisted of patients with initial and immature cataract of similar age and sex (30 patients — 52 eyes). All patients have experienced thermal, Doppler study, and a study of pupil response to light. Results. It has been revealed that the temperature ofthe open optic fissure in patients with POAG correlated with hemodynamics in the central retinal artery and short posterior ciliary arteries. It has been also noted the reduction of pupillary reaction in the progression of glaucoma optic neuropathy. Conclusion. Data of distant thermography, Doppler ultrasound and video recording of pupillary reaction are different with various stages of glaucoma process. The investigation allows to use these methods for monitoring of patients with primary open-angle glaucoma

AttachmentSize
201202_266-270.pdf347.13 KB

Application of laser autodyne for vibration assessment of tympanic membrane

Year: 2011, volume 7 Issue: №4 Pages: 894-897
Heading: Otolaryngology Article type: Short message
Authors: Daykhes N.A., Mareev O.V., Mareev G.O., Usanov D.A., Skripal A.V.
Organization: Saratov National Research University n.a. N. G. Chernyshevsky, Saratov State Medical University, Moscow Clinical Center of Otolaryngology
Summary:

Research is devoted to assessing the state of the middle ear structures by usage of modern nanotechnology methods. The history of the problem, various ancient and modern methods for studying the mobility of the middle ear structures have been described. The results of the research of eardrum movements by laser autodyne and their value in differential diagnosis of ear diseases have been presented. The research goal is to assess vibrations of middle ear structures by modern nanotechnological techniques. Materials: The study included 207 persons, divided into groups of healthy individuals and patients with sensorineural deafness, otosclerosis, adhesive otitis and tubootitis. Results: Exact frequency response vibration patterns of the middle ear and tympanic membrane have been obtained. Measurements have been made in open sound field in normal ears and ears with various pathology of middle and inner ear. The value of this method in differential diagnosis of ear diseases has been investigated. Conclusion: The use of laser autodyne for measuring middle ear structures vibration is a perspective and objective method of assessing auditory function. It is very necessary in modern otolaryngology for differential diagnosis of hearing pathology

AttachmentSize
201104_894-897.pdf435.22 KB

Diagnostics of evolution of risk collapse complications at student group with anomalous cardiovascular reaction

Year: 2010, volume 6 Issue: №3 Pages: 615-619
Heading: Clinical Laboratory Diagnostics Article type: Original article
Authors: Usanov D.A., Protopopov А.А., Skripal A.M, Averyanov A.P., Repin V.F., Rytik A.P., Vagarin A.Yu., Kuznetsov M.A., Petrova M.G.
Organization: Saratov National Research University n.a. N. G. Chernyshevsky, Saratov State Medical University
Summary:

The description of investigation of predisposition to potential danger of collapse complications at 429 first-year students during physical training is presented using the analysis of pulse wave form. With the help of developed device the group of students with predisposition to risk of collapse complications during physical activity has been revealed. The results of clinical examination have confirmed the predisposition of the given group to risk of collapse complications

AttachmentSize
201003_615_619.pdf908.69 KB

Dynamic thermal imaging control of an eye in postoperative period after cataract phacoemulsification

Year: 2010, volume 6 Issue: №2 Pages: 346-450
Heading: Ophtalmology Article type: Original article
Authors: N.R. Lopatinskaya, T.G. Kamenskih, D.A. Usanov, A.V. Skripal, E.S. Sumarokova, V.A. Galanzha, A.A. Sagaidachny
Organization: Saratov National Research University n.a. N. G. Chernyshevsky, Saratov State Medical University
Summary:

The research goal is to study the impact of various schemes of antibacterial therapy in the postoperative period in patients after cataract phacoemulsification with distant thermography. Under observation there were 68 patients with cortical initial cataract. All patients were subjected to cataract phacoemulsification. Patients were divided into 2 groups: 34 patients of the first group after the operation dropped into the operated eye medication «Oftaquiks» 1 drop 5 times a day for one day before surgery and for 5 days postoperatively. 34 patients from the second group as an antibacterial drug received medication "Cipromed" in a similar way. Inflammatory reaction in postoperative period in the first group was not evident. In the second group the presence of inflammatory reaction of various degrees was revealed. Period of its reduction was 6,3 ± 2 days. The temperature difference between the non-operated and operated eye in the 3d day in most cases was less than 1 day after surgery. In the first group of patients the average temperature difference in the 3d day after surgery was 0.35 ± 0.21 ° C, and in the second group of patients - 1.3±0.83°C. Advantages of dynamic thermal imaging method for monitoring the state of the eye, including the analysis of time dependencies of temperature in the process of natural load test, which allows to select the optimal drug correction of postoperative cataract pha-coemulsification were revealed

AttachmentSize
201002_346_350.pdf695.68 KB

Estimation Of Blood Vessels Functional State By Means Of Analysis Of Temperature Reaction On Occlusive Test

Year: 2009, volume 5 Issue: №4 Pages: 554-558
Heading: Clinical Laboratory Diagnostics Article type: Original article
Authors: D.A. Usanov, A.V. Skripal, A.A. Protopopov, A.A. Sagaidachnyi, A.P. Rytik, E.V. Miroshnichenko
Organization: Saratov National Research University n.a. N. G. Chernyshevsky, Saratov State Medical University
Summary:

Temperature reaction of distant phalanges in the case of the occlusive test has been registered. It has been revealed that the temperature reaction on the occlusive test for the group of patients with disturbances of vessel tone regulation differs from the reaction of norm group. Possible influence of vessel regulation state and volumetric blood supply on the skin temperature dynamics has been estimated. Diagnostic ability of the temperature occlusive test has been investigated

AttachmentSize
200904_554_558.pdf394.08 KB

THE DIAGNOSTICS OF UNDIFFERENTIATED DYSPLASIA OF CONNECTIVE TISSUE BY SCLERA COLOUR

Year: 2008, volume 4 Issue: №4 Pages: 116-118
Heading: Pediatrics Article type: Original article
Authors: D.A. Usanov, V.I. Goremykin, A.P. Rytik, O.V. Sidorovich
Organization: Saratov State Medical University, Saratov National Research University n.a. N. G. Chernyshevsky
Summary:

The results of investigation ofcorrelation between patients' sclera colour and presence ofundifferentiated dysplasia of connective tissue are described in the work. The experimental technique, the scheme of determination and the example of analysis of sclera’s colour in normal and pathological states are presented.

AttachmentSize
2008_04_116_118.pdf221.45 KB