superior vena cava thrombosis and syndrome complicated by pulmonary embolis

37 y/o female,hx of pseudo tumor cerebri with lumbar peritoneal shunt in 2004, revised in 2005, and again this past september, due to frequent hospital admits and poor sites available for IV  i opted to have a right IJ portacath/mediport in october of 2004          port flushed monthly using sterile technique            february 2007  - superior vena cava thrombosis leading to svc syndrome   hospital stay was further complicated by right lung pulmonary embolis                 may 2007 had portacath removed   venous access for procedures and blood draws is extemely limited               until june regular pt/inr results were within range (2-3 some times almost 4 but no dosage adjusts made) at that time i was on 4 mg coumadin     in july we never could theraputic level     increases coumadin increase to 6 mg      2 week recheck  still was not theraputic    current dose is now 9 mg dailymy lastest results were pt 13.6 and inr 1.3                    i do have other problems, such as having lost my job at our small town hospital due my doctor saying to work 2 day/week    prior to this illness i was working  36 hous one week and 48 the next       even with a nursing shortage    even with my 5 years workingn LPN i worked with fresh post ops have filled in on the other medical floors when need, i spent a year in ICU night crew was my chsrge nurse( RN -BSN    MSD then myself an LPN and for a few months we did have a telemetry tech with us, after both of these left i was teamed with RN and no telenedtry tech at     FAST PACED 5 BED ICU       AND I CANT GO BACK BECAUSE I HAD TO TAKE MEDICAL LEAVE TWICE -THE LAST TIME WAS FOR OVER 6 MONTHS
ANY INFO ABOUT CLOY\TS,SVC SYNDROME      ALSO INFO ON THE PE