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- W2883004605 abstract "The aim of this work is to measure the mean diameter of the confluence jugulo- subclavian, the impact of different types of jugular confluences and the correlation between the types of confluences and the Valsalva maneuver (jugular reflux) in subjects with Chronic Cerebro-Spinal Venous Insufficiency (CCSVI) and Multiple Sclerosis.We investigated by Echo-Color-Doppler (ECD) 103 subjects (67 F 36M) of mean age 45 ± 12 years (a minimum of 22 to a maximum of 79 years, with a median of 44 and a modal value 42 years), mean EDSS of 4.7 and average disease duration of 12 years.The 103 right jugular veins investigated had an average diameter of 8.4 ± 2.4 mm (minimum 4.0, maximum 14.9 mm; median 7.9; modal value 7.6 mm). Three form types were found: 56 cylindrical, 29 conical and 18 funnel. Valsalva maneuver was positive in 30 patients. The 103 left jugular investigated had an average diameter of 8.9 ± 2.4 mm (minimum 2.8, maximum 14.4 mm; median of 8.8; modal value 8.7 mm). The form types were found: 42 cylindrical, 45 conical and 16 funnel. Valsalva maneuver was positive in 30 patients.The mean diameter of the jugular veins was 8.7 mm. Internal jugular veins with cylindrical morphology have a diameter smaller than other forms; this difference is statistically significant. The different morphology of the jugular vein confluence does not increase the possibility of a reflux because the positive Valsalva maneuvers are not statistically significant when compared to the various types.CCSVI, EchoColorDoppler Map, Jugulo-Subclavian Confluence Diameter.Lo scopo di questo lavoro è quello di misurare il diametro medio della confluenza della Giugulare interna nella succlavia, l’incidenza delle diversi tipologie di confluenza e la correlazione tra queste e la manovra di Valsalva (reflusso in giugulare) in soggetti con insufficienza venosa cronica cerebro spinale (CCSVI) e la Sclerosi Multipla.Abbiamo studiato con Echo-Color-Doppler (ECD) 103 soggetti (67 F 36M) di età media 45 ± 12 anni (da un minimo di 22 ad un massimo di 79 anni, con una mediana di 44 e un valore modale 42 anni ), media di edss 4.7 e media durata della malattia di 12 anni. RISULTATI: le 103 vene giugulari destre avevano un diametro medio di 8,4 ± 2,4 millimetri (minimo 4,0, massimo 14,9 millimetri; mediana 7,9; valore modale 7,6 millimetri). Le tipologie trovate sono state: 56 cilindrica, 29 conica e 18 imbuto. La manovra di Valsalva è stata positiva in 30 pazienti. Le 103 giugulari sinistre avevano un diametro medio di 8,9 ± 2,4 millimetri (minimo 2,8, massimo 14,4 millimetri; mediana di 8,8; valore modale 8,7 millimetri). Le tipologie trovate sono state: 42 cilindrica, 45 conica e 16 imbuto. Manovra di Valsalva è stata positiva in 30 pazienti. La differenza di forme cilindriche su quelle coniche tra destra e sinistra è statisticamente significativa con Chi-quadro = 4.74 ep = 0,0294277. Nei maschi i diametri medi delle vene giugulari destre erano più grandi rispetto ai pazienti di sesso femminile e statisticamente significativi con Chiquadro = 5.04 ep = 0,0248.Il diametro medio delle vene giugulari interne alla confluenza è di 8,7 mm. Le giugulari interne con sbocco cilindrico hanno un diametro più piccolo statisticamente significativo rispetto alle altre forme. La differente morfologia della confluenza della vena giugulare non aumenta la possibilità di un reflusso in quanto le manovre di Valsalva positive non sono statisticamente significative rispetto ai vari tipi." @default.
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- W2883004605 date "2017-01-01" @default.
- W2883004605 modified "2023-09-27" @default.
- W2883004605 title "Echocolor Doppler morpho-functional study of the jugulo-subclavian confluence in chronic cerebro-spinal venous insufficiency and multiple sclerosis patients." @default.
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