ABSTRACT
We present a 9 GW peak power, three-cycle, 2.2 microm optical parametric chirped-pulse amplification source with 1.5% rms energy and 150 mrad carrier envelope phase fluctuations. These characteristics, in addition to excellent beam, wavefront, and pulse quality, make the source suitable for long-wavelength-driven high-harmonic generation. High stability is achieved by careful optimization of superfluorescence suppression, enabling energy scaling.
Subject(s)
Tuberculosis, Pulmonary/epidemiology , Adolescent , Adult , Aged , Child , Female , Humans , Incidence , Male , Middle Aged , Prevalence , Russia/epidemiologySubject(s)
Bile Ducts/diagnostic imaging , Biliary Tract Diseases/diagnostic imaging , Cholecystectomy, Laparoscopic , Gallbladder/diagnostic imaging , Preoperative Care/methods , Biliary Tract Diseases/surgery , Diagnosis, Differential , Gallbladder/surgery , Humans , Sensitivity and Specificity , UltrasonographyABSTRACT
The primary structure of bovine retinal calcium binding protein P26 has been determined by parallel analysis of protein and corresponding cDNA. This protein is identical to recovering and shares 59% homology with visinin, a cone specific calcium binding protein from chicken retina. Preliminary data are presented on expression of P26 as a fusion protein in E. coli.
Subject(s)
Calcium-Binding Proteins/genetics , Eye Proteins/genetics , Rod Cell Outer Segment/chemistry , Amino Acid Sequence , Base Sequence , Calcium-Binding Proteins/biosynthesis , Calcium-Binding Proteins/isolation & purification , Eye Proteins/biosynthesis , Eye Proteins/isolation & purification , Molecular Sequence Data , Molecular Weight , Recombinant Fusion Proteins/isolation & purification , RecoverinABSTRACT
The paper is concerned with analysis of the potentialities of ultrasound introscopy in the diagnosis of various diseases of the gall bladder and biliferous ducts in 174 patients aged 19 to 76. The accuracy of the detection of calcium containing concrements of the gall bladder was 98.8%, that of choledocholithiasis--75%, noncalculous cholecystitis--88.4%, choledochodilatation--71.4%. In the absence of pathological changes in the gall bladder and biliferous ducts the reliability of echography was 27.7 and 93.1%, respectively. Causes of diagnostic errors in ultrasound tomography of the biliary system were discussed, methods of their prevention were proposed. A diagnostic algorithm of the sequence of use of ultrasound introscopy and other diagnostic methods to be employed in clinical practice was devised.
Subject(s)
Bile Duct Diseases/diagnostic imaging , Gallbladder Diseases/diagnostic imaging , Adult , Aged , Algorithms , Humans , Middle Aged , UltrasonographyABSTRACT
The paper is concerned with analysis of the potentialities of ultrasound introscopy in the diagnosis of various diseases of the gall bladder and biliferous ducts in 174 patients aged 19 to 76. The accuracy of the detection of calcium containing concrements of the gall bladder was 98.8%, that of choledocholithiasis--75%, noncalculous cholecystitis--88.4%, choledochodilatation--71.4%. In the absence of pathological changes in the gall bladder and biliferous ducts the reliability of echography was 27.7 and 93.1%, respectively. Causes of diagnostic errors in ultrasound tomography of the biliary system were discussed, methods of their prevention were proposed. A diagnostic algorithm of the sequence of use of ultrasound introscopy and other diagnostic methods to be employed in clinical practice was devised.
Subject(s)
Cholecystitis/diagnostic imaging , Cholelithiasis/diagnostic imaging , Common Bile Duct Diseases/diagnostic imaging , Gallstones/diagnostic imaging , Adult , Aged , Algorithms , Common Bile Duct Diseases/pathology , Diagnostic Errors , Dilatation, Pathologic/diagnostic imaging , Female , Humans , Male , Middle Aged , Reproducibility of Results , UltrasonographyABSTRACT
The paper is concerned with the results of multiprojectional ultrasound investigation of the biliferous system in 68 patients at varying time after cholecystectomy. In most cases (77.9%) signs of dilated biliary ducts were undetectable. Dilatation of the hepaticodoch was most frequently determined by choledolithiasis, stricture or stenosing papillitis, rarely--by pancreatic head cancer. Investigation of the biliary ducts in patients after cholecystectomy should be started with ultrasound tomography; endoscopic retrograde cholangiopancreatography or iv cholangiography and dynamic cholescintigraphy were indicated after the detection of the signs of dilated ducts (the anteroposterior diameter of the common hepatic duct was over 6 mm).
Subject(s)
Cholecystectomy , Cholestasis, Extrahepatic/diagnostic imaging , Cholestasis, Intrahepatic/diagnostic imaging , Adult , Aged , Cholestasis, Extrahepatic/surgery , Cholestasis, Intrahepatic/surgery , Female , Humans , Male , Middle Aged , Postoperative Care , UltrasonographyABSTRACT
The paper is concerned with the results of multiprojectional ultrasound investigation of the biliferous system in 68 patients at varying time after cholecystectomy. In most cases (77.9%) signs of dilated biliary ducts were undetectable. Dilatation of the hepaticodoch was most frequently determined by choledolithiasis, stricture or stenosing papillitis, rarely--by pancreatic head cancer. Investigation of the biliary ducts in patients after cholecystectomy should be started with ultrasound tomography; endoscopic retrograde cholangiopancreatography or i.v. cholangiography and dynamic cholescintigraphy were indicated after the detection of the signs of dilated ducts (the anteroposterior diameter of the common hepatic duct was over 6 mm).
Subject(s)
Bile Ducts/diagnostic imaging , Cholecystectomy , Cholestasis/diagnostic imaging , Postoperative Complications/diagnostic imaging , Adult , Aged , Bile Ducts/pathology , Cholangiography , Cholangiopancreatography, Endoscopic Retrograde , Dilatation, Pathologic , Female , Humans , Male , Middle Aged , Postoperative Care , Radionuclide Imaging , UltrasonographySubject(s)
Heart Septal Defects/surgery , Pericardium/transplantation , Adolescent , Adult , Animals , Child , Child, Preschool , Echocardiography , Electrocardiography , Evaluation Studies as Topic , Female , Follow-Up Studies , Heart Septal Defects, Atrial/surgery , Heart Septal Defects, Ventricular/surgery , Humans , Infant , Male , Middle Aged , Time Factors , Tissue Preservation , Transplantation, HeterologousABSTRACT
Multiprojection ultrasound investigation was performed in 87 patients with jaundice. Echography was shown to be an effective method of differential diagnosis of parenchymatous and obstructive jaundice. The accuracy of ultrasound introscopy in the detection of parenchymatous jaundice was 84.3%, that in the detection of mechanical jaundice was 100% (the general accuracy being 85.7%). The authors proposed an algorithm for the use of ultrasound tomography, x-ray and clinico-instrumental methods in differential diagnosis of jaundice of different etiology.
Subject(s)
Cholestasis/diagnostic imaging , Jaundice/diagnostic imaging , Adult , Aged , Aged, 80 and over , Diagnosis, Differential , Female , Humans , Male , Middle Aged , UltrasonographySubject(s)
Peritoneal Cavity/pathology , Retroperitoneal Space/pathology , Ultrasonography , Biometry , HumansABSTRACT
The results of prolonged intra-arterial chemotherapy in 61 patients with locally advanced bladder cancer (T3-T4) are discussed. Regional internal iliac artery infusion of chemotherapeutic agents was done daily for 5 or 7 days at a rate of 1 to 3 ml/h over an 18-20-h period. The total dosages of each course were 60-120 mg/m2 adriamycin, 2.5-3.5 g/m2 5-fluorouracil (5-FU), 20-40 mg/m2 methotrexate or 30-50 mg/m2 cisplatin. At 3 to 4 weeks after the completion of infusional chemotherapy the results were evaluated, based on data from control cystoscopy and sonography. One patient (1.6%) was free of tumor; an objective response of greater than 50% reduction in tumor size occurred in 26 (42.7%) patients; 34 (55.7%) demonstrated objective responses of less than 50%. No further increase in tumor size during the management was detected. Hematuria, dysuria and urine infection were controlled and pain was relieved. The use of cytostatics and prolonged iliac artery catheterization did not incur any serious complications.
Subject(s)
Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Carcinoma, Transitional Cell/drug therapy , Urinary Bladder Neoplasms/drug therapy , Adult , Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Carcinoma, Transitional Cell/pathology , Cystoscopy , Female , Humans , Infusions, Intra-Arterial , Male , Middle Aged , Ultrasonics , Urinary Bladder Neoplasms/pathologyABSTRACT
The primary structure of rhodopsin from the octopus Paroctopus defleini has been determined by parallel analysis of the protein and corresponding cDNA. The amino acid sequence is most similar to the recently cloned Drosophila opsins. Similarities to bovine and human opsins are also evident. The transmembrane topology of octopus rhodopsin is discussed.
Subject(s)
DNA , Octopodiformes/analysis , Retinal Pigments , Rhodopsin , Amino Acid Sequence , Animals , Base Sequence , Cattle , Codon , Cyanogen Bromide , Drosophila/analysis , Humans , Molecular Sequence Data , Peptide Fragments , Retinal Pigments/genetics , Rhodopsin/geneticsABSTRACT
A multimodality x-ray study of the lymphatic and venous vessels was performed in 50 patients with secondary edema of the lower limbs. A complete block of the limb superficial lymphatic collectors was observed in 44% of the patients, a partial block in 26%. In 80% of the cases the level of partial or complete occlusion of the lymphatic vessels was noted in the ilioinguinal region and in 20% on the femur and leg. Distrubed permeability of the deep vessels of the femur and ilioinguinal region in the form of a complete or partial block was noted in 46% of the cases. In disturbed peripheral lymphodynamics different compensatory adaptation mechanisms like the functioning of the collateral tracts, lymphovenous anastomoses, the overflow of a radiographic contrast agent from the superficial vessels into the deep ones were observed in 60% of the patients. Indications for multicollector lymphography were defined. In secondary edema of the lower limbs, combined injuries of the lymphatic and venous systems were marked in 62%, an isolated disorder of the outflow of the peripheral lymph through the collector vessels was marked in 38%.
