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At least 163 records · Page 9Linked to original sources
PubMed1975

Impedance phlebography: accuracy of diagnosis in deep vein thrombosis.

In an evaluation of the diagnostic accuracy of impedance phlebography for the diagnosis of deep vein thrombosis, 51 limbs in 32 patients were examined simultaneously by impedance phlebography and by venography. The impendance diagnosis and accurate in 47 limbs, erroneous in 2 and inconclusive in 2; the overall accuracy was 92%. Simultaneous clinical diagnosis yielded an accuracy of 53%. The method requires full cooperation by the patient and meticulous attention to the details of the test by the physician or technician performing the examination.

Aged↗
PubMedDate not supplied

[Comparison of color duplex and phlebography in the diagnosis of deep venous thrombosis of the legs].

The aim of this prospective study was to evaluate the efficacy of color duplex scanning in comparison with plebography in patients with clinically suspected deep vein thrombosis of the legs. The group was of sixty patients. The tests were both positive in 51 limbs and negative in 8 limbs. In a case of below-knee thrombosis, color-duplex was negative while phlebography was able to show small localized thrombosis. The sensitivity of color-duplex was 98%, its specificity and positive predictive value 100% and its negative predictive value 88.8%. In conclusion, color-duplex is as effective as phlebography in detecting deep vein thrombosis above knee.

Color↗
PubMedDate not supplied

[The role of functional phlebography in the diagnosis of chronic postphlebitic venous insufficiency of the lower extremities].

The work deals with the description of methods for phlebography of the lower extremities with the patient in a vertical pos position with the use of various functional, loading, and pharmacological tests. Such examination makes it possible to recognize the pathological changes, reveal precisely the architectonics of the venous system and the localization of the most changed areas of the venous system, and determine the rate of the venous blood flow. Much attention is paid to preventive measures during phlebographic examination. The efficacy of the phlebography method is proved on a rich clinical material and the indications and contraindications for it are specified.

Chronic Disease↗
PubMed1992

Phlebography as the gold standard in thromboprophylactic studies? A multicenter interobserver variation study.

In 241 patients with total hip arthroplasty and entering a study on thrombosis prophylaxis, phlebography was adequately performed in 451 legs 7 to 11 days after surgery. The phlebograms were primary evaluated by 4 independent observers, and finally a consensus of the images in which disagreement primarily occurred was obtained. The diagnosis of thrombosis in the 4 primary observations varied between 65% and 83% (mean 70%) and the agreement on a negative diagnosis between 97% and 99% (mean 98%). Taking into account agreement by chance, kappa-values varied from 0.60 to 0.83 when the 6 different pairs of observations were compared. When comparing the primary evaluations with the final consensus, agreements on positive diagnosis varied between 70% and 90% (mean 80%) and on negative diagnosis between 97% and 99% (mean 98%). Kappa-values varied from 0.68 to 0.90. The factor of uncertainty in evaluation of phlebography may have to be considered when studies on postsurgical thromboprophylaxis are planned.

Hip Prosthesis↗
PubMed1991

[Orbital phlebography. Methods, anatomy and clinical considerations].

Orbital phlebography is a roentgen examination method formerly used for general investigations of pathological processes in the orbit. The procedure has gained renewed interest because of its ability to demonstrate changes in vasculitis in the orbital venous system. These changes are shown to be associated with certain types of hemicrania, and with the Tolosa-Hunt syndrome in particular. For three years we have performed orbital phlebographies at the department of Radiology at the University Hospital, Trondheim. This article describes the normal anatomy of the orbital venous system, the technique, and the pathological changes revealed by this method.

Female↗
PubMed1976

[Cavo-spinal phlebography in myelopathies of venous origin. Application of the method in 115 cases].

The intraspinal venous stasis, described by ABOULKER as the cause of numerous myelopathies, is due to the addition of multiple venous abnormalities, demonstrated by cavospinal phlebography. The venae cavae and their major affluents and the prespinal system (lumbar and ascending lumbar veins, azygos, hemi-azygos, right superior intercostal and vertebral veins) are explored by catheterization. Cavo-spinal phlebography reveals multiple obstacles and the resulting stasis in the intraspinal plexus.

Azygos Vein↗
PubMed1990

[Impedance plethysmography, Doppler echography and phlebography in deep venous thromboses of the lower limbs].

Computerized impedance plethysmography (CIP) and phlebography were performed on 165 consecutive outpatients with clinical suspicion of deep venous thrombosis (DVT) and on 220 consecutive asymptomatic patients hospitalized for hip fracture. Ninety-two asymptomatic patients were examined also with real-time B-mode US. In orthopedic patients CIP sensitivity, specificity, accuracy, positive and negative predictive values were 19.4%, 90.5%, 64.4%, 53.8% and 66.3%, respectively, for proximal and distal DVT, versus 19.7%, 88%, 77.5%, 77% and 86% for proximal DVT. In symptomatic patients CIP sensitivity, specificity, accuracy, positive and negative predictive values were 83%, 87%, 85%, 87% and 82%, respectively, for proximal and distal DVT, versus 91%, 88%, 89%, 82% and 94% for proximal DVT. CIP had great diagnostic utility in symptomatic DVT, whereas its diagnostic efficacy was low in asymptomatic patients. In orthopedic patients US sensitivity, specificity positive and negative predictive values were 44%, 99.2%, 95.7% and 81.6%, respectively. US diagnostic value was relatively high, but further investigation is needed. To date, phlebography seems to be the only effective method in the diagnosis of DVT in asymptomatic high risk patients.

Diagnosis, Computer-Assisted↗
PubMedDate not supplied

[The diagnostic value of simultaneous excretory urography and transuterine pelvic phlebography in a urodynamic study of the upper urinary tract].

A total of 78 females whose complaints failed to fit the scope of known urological and gynecological disorders were under study. Beside the routine patterns, the multiple modality diagnostic technique included radionuclide investigation of the kidneys, determination of the hormonal profile, thermographic examination of inner genital organs, echo scanning of the kidneys and genital organs, hysterosalpingography, simultaneous performance of excretory urography and transuterine pelvic phlebography. X-ray anatomical examinations revealed that the lower part of the ureter was entangled by vaginouterine veins. The side of urodynamic disorders corresponded to that of more manifest varicosis. In those with bilateral disorders more manifest dilatation of the upper urinary tract was noted on the side where varicosis was more pronounced. Based on the data analysis, the authors concluded that simultaneous uro- and phlebographic examinations not only revealed the status of the upper urinary tract, intra- and extraorganic venous systems but promoted a reliable detection of the reasons for urodynamic disorders: the compression due to the enlarged disposed organ or dilated venous vessels. The data on the agreement between of the varicosis-affected side and that of the urine passage through the upper tract was impaired in all patterns of "pelvic varicocele" enables one to reveal some pathogenetic urodynamic failures in females. It can be concluded that simultaneous excretory urography and transuterine pelvic phlebography provide an extensive information on the upper urinary tract, internal genital organs and the pelvic venous system. The method is easily performed in the outpatient settings, avoids serious complications and can be regarded as a prospective additional technique for the examination of females with a gynecological history during urological care.

Diagnosis, Differential↗
PubMed1989

[Digital subtraction phlebography of the orbit. Technic and diagnostic value].

Orbital venography in the diagnostic assessment of vascular and extravascular expanding lesions of the orbit has been almost abandoned during the last decade due to the rapid development of computed tomography, ultrasound echography, and magnetic resonance imaging. Digital subtraction angiography (DSA) is a new angiographic modality that has recently replaced conventional techniques. DSA saves time and contrast media while facilitating vascular imaging and processing; this decreases the invasiveness of angiographic procedures. We describe the technique used for orbital phlebography via puncture of a frontal vein and injection of a contrast medium during manual compression of the infraorbital veins. We present the history and diagnostic findings of a 21-year-old man suffering from an orbital varix and discuss the diagnostic value of digital subtraction phlebography. In summary, the application of digital subtraction techniques is recommended as an additional diagnostic modality, particularly when impaired venous perfusion of the orbit is suspected.

Adult↗
PubMedDate not supplied

[Regional phlebography in patients with recurrences of varicocele].

Diagnostic potentialities of phlebography were studied in 50 patients with varicocele recurrences. Two methods of phlebography: transfemoral renospermaticography and transscrotal orthograde testiculophlebography--were employed. The main cause of recurrence development was shown to be the abnormality of venous outflow from the testicle in the region of the left renal vein, testicular vein and in the pelvic veins. The effectiveness of both methods was 71.9 and 94.4%, respectively, their combined use provided additional information.

Adolescent↗
PubMed1989

[The diagnostic value of transvaginal pelvic phlebography in gynecologic oncology].

The paper discusses an original procedure of transvaginal visceral phlebography of the pelvis for examination of patients with tumors of the corpus and cervix uteri and those in whom intravaginal phlebography is contraindicated. The procedure proved simple and highly informative. Contraindications are not numerous and it can be carried out on outpatient basis.

Aged↗
PubMed1985

[Fatal massive intravascular coagulation during phlebography. Responsibility of epsilon-aminocaproic acid?].

The occurrence during phlebography of massive intravascular coagulation involving the inferior vena cava, the right cardiac cavities and the entire pulmonary arterial network suggested that epsilon-aminocaproic acid administered before phlebography was responsible for this complication. The mechanisms of reactions to contrast media are still poorly understood, but these reactions are known to include, in some cases, disseminated intravascular coagulation. This phenomenon was histologically demonstrated in our patient, and it may be suggested that its strong enhancement by the antifibrinolytic agent had resulted in the fatal accident. In view of the possibility of such lethal reactions, the advisability of administering epsilon-aminocaproic acid--a drug widely used in France for the prevention and treatment of contrast media reactions--should be reconsidered.

Adult↗
PubMedDate not supplied

Orbital phlebography for differentiation between multiple sclerosis and venous vasculitis in subacute blindness.

Thirteen consecutive patients with subacute unilateral loss of vision and periorbital pain but without pathology of the fundus or increased erythrocyte sedimentation rate, were investigated with visual evoked response, electrophoresis of serum and cerebrospinal fluid, and orbital phlebography. Seven of these patients were found to suffer from multiple sclerosis. The remaining 6 were considered to have venous vasculitis. There was a spontaneous recovery from visual impairment in all patients with multiple sclerosis, but not in patients with venous vasculitis. Of the latter patients, only two, who were treated with steroids within the first four days after onset of symptoms, regained vision. It appears that orbital phlebography is the diagnostic procedure of choice for proper management of patients with subacute loss of vision.

Adult↗
PubMed1986

A comparative trial of the diagnostic quality of and tolerance for two low concentration low osmolality contrast media for phlebography.

We report a prospective randomised double blind study comparing the diagnostic quality of and tolerance for ascending phlebography in 100 patients using two different low osmolality contrast media, ioxaglate and iohexol, at a concentration of 200 mg I/ml. The immediate and delayed side effects were minimal in both groups and the difference between the two media was not statistically significant. All the phlebograms were of diagnostic quality. We conclude that both ioxaglate and iohexol are suitable agents for leg phlebography in low concentrations.

Adult↗
PubMed1987

Demonstration of esophageal varices postmortem by gastroesophageal phlebography.

The study presents a method for the demonstration of esophageal varices at autopsy by gastroesophageal phlebography. The veins visible on the radiographs were controlled and evaluated by studying the gross appearance of sections of the esophagus at the level of the varicose veins and by histologic examination of the sections. The phlebography was found to be useful in estimating the varicose and normal veins of the esophagus. The study indicates further that the degree of varicosity is not always proportional to the severity of cirrhosis of the liver, and there may be varicose esophageal veins in patients with liver or heart disorders without hepatic cirrhosis.

Adult↗
PubMedDate not supplied

Phlebography. Survey and present state.

Milestones in the history of phlebography are shortly reviewed. The present state of phlebography with emphasis upon the role of new nonionic contrast media is presented.

Clinical Trials as Topic↗