Research Article

Prognosis of Acute Kidney Injury and Hepatorenal Syndrome in Patients with Cirrhosis: A Prospective Cohort Study

Table 1

Demographics and clinical characteristics.

PRAHRSATNOther value
( = 40)( = 35)( = 36)( = 9)

Age (years)58 (49.5, 66)57 (49, 65)60 (51, 63)57 (51, 62)0.80
Male sex (%)26 (65%)25 (71%)26 (72%)8 (89%)0.60
White race (%)34 (85%)34 (97%)34 (94%)9 (100%)0.49
Non-Hispanic ethnicity (%)31 (78%)30 (86%)34 (94%)9 (100%)0.23
Body mass index (kg/m2)28.8 (26.5, 34.6)28.3 (23.7, 32.0)27.4 (22.5, 32.8)26.9 (25.1, 31.0)0.38
Presence of infection (%)15 (38%)11 (31%)18 (50%)1 (11%)0.14
Comorbidities (%)
 Diabetes mellitus11 (29%)10 (29%)11 (31%)4 (8%)0.81
 Chronic kidney disease7 (18%)14 (41%)10 (28%)7 (78%)0.01
 Cardiovascular disease8 (20%)6 (17%)7 (19%)3 (33%)0.73
 Hypertension17 (43%)14 (40%)14 (40%)3 (33%)0.99
Etiology of cirrhosis (%)0.24
 Hepatitis C11 (28%)4 (11%)7 (19%)2 (22%)
 Alcohol12 (30%)12 (35%)12 (33%)0 (0%)
 Nonalcoholic steatohepatitis3 (8%)4 (11%)5 (14%)1 (11%)
 Multifactorial12 (30%)11 (31%)6 (17%)3 (33%)
 Other2 (5%)4 (11%)6 (17%)3 (33%)
Prior complications of cirrhosis (%)
 Ascites requiring prior paracentesis14 (36%)27 (82%)12 (33%)4 (44%)<0.001
 Encephalopathy14 (35%)20 (57%)12 (33%)3 (33%)0.15
 Gastrointestinal bleeding7 (18%)8 (23%)6 (17%)0 (0%)0.52
 Spontaneous bacterial peritonitis4 (10%)7 (20%)3 (8%)0 (0%)0.35
 Portosystemic shunt3 (8%)2 (6%)4 (11%)2 (22%)0.42
Prior liver transplantation (%)2 (5%)1 (3%)0 (0%)1 (11%)0.57
MELD score (admission)19 (17, 28)24 (21, 31)26 (20, 34)20 (18, 21)0.04
CLIF-SOFA score (admission)8 (6, 9)9 (8, 10)10 (7, 12)6 (5, 7)0.01
Nephrologist consulted (%)23 (58%)31 (89%)33 (92%)6 (67%)<0.001
AKI stage I or II (%)/stage III (%)15 (38%)/25 (63%)9 (26%)/26 (75%)7 (19%)/29 (81%)3 (33%)/6 (67%)0.34
Medications received (%)
 Intravenous albumin28 (70%)34 (97%)29 (81%)4 (44%)<0.001
 Midodrine15 (38%)31 (89%)25 (69%)2 (22%)<0.001
 Octreotide21 (53%)31 (89%)24 (67%)1 (11%)<0.001
 Intravenous vasopressor13 (33%)15 (43%)19 (53%)2 (22%)0.21
Laboratory values/vital signs
 Mean arterial pressure (mmHg)78 (73, 85)74 (69, 80)73 (68, 80)86 (79, 88)0.07
 Urine output (mL/24 hours)763 (475, 1125)488 (325, 750)625 (300, 1095)873 (525, 1450)0.23
 Enrollment creatinine (mg/dL)1.4 (1.2, 1.8)2.7 (2.0, 3.0)2.3 (1.9, 3.6)2.3 (2.0, 3.7)<0.001
 Peak creatinine (mg/dL)1.9 (1.6, 2.6)3.4 (2.7, 4.7)3.5 (2.5, 6.8)4.1 (2.3, 4.5)<0.001
 Sodium (mEq/L)133 (130, 137)131 (128, 136)136 (132, 141)136 (129, 140)0.10
 White blood count (K/uL)7.2 (4.3, 10.6)7.0 (4.8, 10.6)9.1 (5.5, 15.7)6.4 (4.1, 8.8)0.10
 Hemoglobin (g/dL)8.3 (8.0, 9.5)9.0 (7.9, 10.0)8.6 (7.9, 9.4)8.9 (8.4, 11.1)0.44
 Platelets (K/uL)89 (57, 124)77 (58, 101)64 (47, 125)93 (77, 143)0.50
 Albumin (g/dL)2.9 (2.5, 3.6)3.5 (3.2, 3.7)2.8 (2.7, 3.2)2.8 (2.5, 4.1)0.01
 International normalized ratio (INR)1.7 (1.3, 2.0)1.8 (1.5, 2.1)1.9 (1.5, 2.3)1.4 (1.2, 1.5)0.01
 Total bilirubin (mg/dL)3.8 (1.7, 8.2)5.0 (2.2, 11.0)9.6 (2.5, 22.2)2.0 (1.1, 3.8)0.06
 Urine sodium <10 mmol/L (%)9 (43%)21 (75%)5 (26%)2 (33%)<0.001

All values were taken at time of study enrollment unless otherwise noted. Continuous variables presented as median (quartile 1, quartile 3).
PRA: prerenal azotemia, HRS: hepatorenal syndrome, and ATN: acute tubular necrosis.
One participant received red blood cell transfusion instead of albumin.
for PRA, for HRS, for ATN, and for other.
for PRA, for HRS, for ATN, and for other.