Table 1: Patient
characteristics, laboratory data and dialysis characteristics for each HD
session.
|
H
+ HD n (%) |
H-HD n (%) |
P
value |
Patient number |
67 |
298 |
|
Hemodialysis sessions |
132 |
911 |
|
Age |
59.8 ± 15.2 |
60.1 ± 13.8 |
0.87 |
Gender Female Male |
72.3% 27.7% |
47.2% 52.8% |
< 0.001 |
Admission Diagnosis Infection Cardiovascular Gastrointestinal Surgery Pulmonary Neurologic Renal Endocrine Hematologic Other |
41.7% 22.7% 8.9% 8.9% 5.9% 4.4% 3% 1.4% 1.4% 1.4% |
38% 15.4% 9.3% 8.7% 6.4% 6.7% 5.0% 1.0% 5.7% 3.7% |
|
Diabetes Mellitus |
51.9% |
57.6% |
0.22 |
Systemic anticoagulation Warfarin IV heparin Dalteparin |
1.5% 0.8% 0 |
8.7% 2.9% 0.01% |
< 0.001 |
DVT prophylaxis using heparin
subcutaneous dosing |
28.7% |
40.1% |
0.02 |
RBC transfusion |
5.3% |
5.6% |
1.14 |
Hemoglobin (g/dl) |
10.5 ± 2.1 |
10.0 ± 7.8 |
0.48 |
Platelet count (k/ul) |
230 ± 121.8 |
233 ± 114.9 |
0.84 |
PTT (seconds) |
30.3 ±12.0 |
34.6 ± 16.9 |
< 0.001 |
INR |
1.11 ± 0.2 |
1.19 ± 0.44 |
0.05 |
Type of HD vascular access Arteriovenous fistula/Graft Central venous catheter (both tunneled
and untunneled) |
44.3% 55.7% |
42.1% 57.9% |
0.88 |
Catheter heparin lock use |
52.7% |
48.3% |
0.59 |
Heparin bolus dose administeredpre-HD 0 500 IU 1000 IU 2000 IU |
0.8% 9.1% 89.4% 0.8% |
|
|
Dialysis blood flow rate (ml/min) |
330 ± 45.1 |
335 ± 44.7 |
0.53 |
Arterial chamber pressure (mmHg) |
-179.7 ± 43.7 |
-162.3 ± 44.7 |
0.00 |
Venous chamber pressure (mmHg) |
170.1 ± 44.1 |
160.2 ± 42.1 |
0.01 |
All data are
presented as mean values ± SD. H + HD, heparin use dialysis session. H-HD:
heparin free hemodialysis, PTT: Partial thromboplastin time, INR: International
neutralization rate, DVT: Deep vein clot, RBC: Red blood cell, Catheter heparin
lock dosing was 5000 unit/ml instilled post-HD.