[31P Magnetic Resonance Spectroscopy in Patients With Various Genesis of Left Ventricular Hypertrophy].

Purpose: to assess status of myocardial energy metabolism in patients with different etiology of left ventricular hypertrophy by phosphorus magnetic resonance spectroscopy (MRS) compared with healthy individuals.

Methods: The study included 94 people: 30 healthy volunteers (group 1), 35 patients with arterial hypertension and left ventricular hypertrophy (group II), 29 patients with hypertrophic cardiomyopathy (group III). All persons underwent cardiac magnetic resonance imaging (MRI) and MRS on high field MR scanner.

Endoscopic endonasal removal of the invaginated odontoid process of the C2 vertebra.

Unlabelled: Pathological processes in the craniovertebral region (clivus, C1 anterior arch, odontoid process and body of the C2 vertebra, i.e. C0-C1-C2 segments) are very difficult to diagnose and treat.

[Evaluation of myocardial energy metabolism by 31 P-magnetic resonance spectroscopy in patients with hypertrophic cardiomyopathy versus healthy individuals].

Objective: To estimate the left ventricular (LV) energy index from the data of 31P-magnetic resonance spectroscopy (31P-MRS) in patients with hypertrophic cardiomyopathy (HCM) versus healthy individuals.

Subject And Methods: The investigation included 46 persons, including 30 healthy volunteers (Group 1) without cardiovascular diseases and 16 patients with HCM (Group 2). All the persons underwent cardiac magnetic resonance imaging (MRI) and 31P-MRS using a high-field Achieva 3T TX MRI scanner (Philips, Netherlands).

[31P magnetic-resonance spectroscopy in cardiac diseases].

Magnetic Resonant spectroscopy (MRS) in the nuclei of phosphorus is the only noninvasive method of studying the state of myocardial energy metabolism does not require the introduction of radiopharmaceuticals. This method uses the signals from the nuclei of 31P contained in such mattered phosphates like phosphocreatine and adenosine triphosphate. MRS can provide an answer to a variety of theoretical and clinical issues in the study of various cardiac diseases.

[Stability of bituminous-salt mass-washing sarin, soman, and Russian VX destruction products in the aquatic environment and their effects of the sanitary conditions of water supplies].

The water environmental stability of O-isopropylmethyl phosphonate, O-pinacolylmethyl phosphonate, and O-isobutylmethyl phosphonate was studied. The very high hydrolytic stability of these products was established. The threshold and non-effective concentrations of O-isopropylmethyl phosphonate, O-pinacolylmethyl phosphonate, and O-isobutylmethyl phosphonate were determined, which affected the sanitary conditions of water bodies.