Table 1.

Animal demographics and pathologic findings

Animal	Disposition, duration of catheterization	Sex	Pleural effusion	Pulmonary atelectasis	Other gross findings	Thrombosis	Mural remodeling in right atrium and cranial vena cava	Other histologic findings
1	Found dead, 151 d	M	>27 mL, blood-tinged, chylous	Yes	Postmortem intestinal rupture	Cranial vena cava, subacute	Yes	Mild to moderate pulmonary edema
2	Found dead, 184 d	M	>29 mL, blood-tinged, chylous	Yes	None	Catheter sheath	Yes	Moderate pulmonary edema
3	Found dead, 244 d	F	>20 mL, blood-tinged, serous	Yes	>1.5 mL, blood-tinged, serous pericardial effusion	No	Yes	Jugular and cranial vena caval phlebitis and mural abscess with bacteria; thromboemboli in lungs; tricuspid valve normal
4	Euthanized due to cranial vena cava thrombosis (CT imaging), 198 d	F	None	No	None	Right atrium and jugular, chronic	Yes	Chronic sublingual sialoadenitis
5	Euthanized at end of study, 381 d	F	None	No	None	No	Yes	None
6	Euthanized at end of study, 381 d	M	None	No	None	No	Yes	None
7	Euthanized at end of study, 262 da	M	>17 mL, blood-tinged, serous	Yes	None	No	Yes	None
8	Euthanized at end of study, 169 db	F	None	No	None	Yes	No	None

^aCatheter was spontaneously removed at approximately 7 mo prior to death.

^bCatheter was spontaneously removed at approximately 10 mo prior to death.