Patient cohort
Our medical record query resulted in 32 total patients. Of those patients, 3 were excluded from analysis as they involved upper extremity thromboses. The remaining 29 patients had thromboses that involved veins of the LEs and/or IVC. Of the 29 patients that met inclusion criteria, 22 received overnight catheter-directed tPA via an indwelling venous catheter and 7 received “on-table” tPA as bolus dosing during the interventional procedure without additional CDT or tPA following completion of the procedure. Patient demographics and characteristics are listed in Table 1 .