Retrospective Cohort Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Apr 7, 2019; 25(13): 1592-1602
Published online Apr 7, 2019. doi: 10.3748/wjg.v25.i13.1592
Table 1 Clinical characteristics of the total patient cohort treated with hemostatic powders for gastrointestinal bleeding n (%)
HS and EC n = 154Hemospray n = 111Endoclot n = 32P value
Sex (M)101 (65.6)76 (68.5)17 (53.1)NS
Age, yr
mean ± SD66.6 ± 1467 ± 13.867.4 ± 15.1NS
range11-9329-9311-89
Rockall risk score
median ± SD7.1 ± 1.77.1 ± 1.77.1 ± 1.8NS
range2-102-102-10
Comorbidities
Coagulopathy48 (31.2)36 (32.4)6 (18.8)NS
Renal insufficiency74 (48.1)53 (47.7)15 (46.9)NS
Hemodialysis35 (22.7)26 (23.4)5 (15.6)NS
Liver cirrhosis40 (26)32 (28.9)5 (15.6)NS
Bleeding locale
upper GI bleeding137 (89)102 (91.8)25 (78.1)0.04
lower GI bleeding17 (11)8 (8)7 (21)NS
Application as
Primary therapy82 (53.2)64 (57.7)14 (43.8)NS
Salvage therapy72 (46.8)47 (42)18 (56)NS
Multiple applications of HP42 (27.3)27 (24.3)5 (15.6)NS
Definite hemostatic therapies after HP failure
Coiling13 (8.4)11 (9.9)1 (3.1)NS
Surgery9 (5.8)7 (6.3)1 (3.1)NS
Short term success (total)125 (81.2)92 (82.9)26 (81.2)NS
Primary therapy67/82 (81.7)53/64 (82.8)11/14 (78.6)
Salvage therapy58/72 (80.6)39/47 (82.9)15/18 (83.3)
Long term success81/121 (66.9)59 (69.4)18 (66.7)NS
Primary therapy45/65 (69.2)35/49 (71.4)8/13 (61.5)
Salvage therapy36/56 (64.3)24/36 (66.7)10/14 (71.4)
Re-bleeding rate41 (26.6)27 (24.3)8 (25)NS
Primary therapy18/82 (21.9)13/64 (20.3)3/14 (21.4)
Salvage therapy23/72 (31.9)14/47 (29.8)5/18 (27.8)
Table 2 Clinical characteristics of the patients with upper gastrointestinal bleeding and efficacy of hemostatic powders in the treatment of upper gastrointestinal bleeding n (%)
HS and EC (n = 137)Hemospray (n = 102)Endoclot (n = 25)P value
Sex (M)86 (62.8)68 (66.7)11 (44)0.04
Age, yr
mean ± SD66.4 ± 14.266.4 ± 14.067.9 ± 16.5NS
range(11-93)29-9311-89
Rockall risk scoreNS
median ± SD7.1 ±1.77.1 ± 1.77.1 ± 1.8
range2-102 -102 - 10
Comorbidities
Coagulopathy45 (32.8)34 (33)5 (2)
Renal insufficiency68 (49.6)59 (49)12 (48)
Hemodialysis32 (23.4)24 (23)12 (48)
Liver cirrhosis38 (27.7)30 (29.4)5 (20)
Therapeutic anticoagulation35 (25.5)28 (27.5)6 (24)
Dual antiplatet therapy7 (5.1)5 (5)2 (8)
Vitamin K antagonists14 (10.2)11 (11)3 (12)
DOAC8 (5.8)7 (7)1 (4)
Antiaggregation therapy29 (21.2)21 (20.6)7 (28)
Application asNS
Primary Therapy72 (52.6)59 (58)10 (40)
Salvage Therapy65 (47.4)43 (42)15 (60)
Multiple Applications ofNS
HS37 (27)24 (23)3 (0.12)
Definite hemostatic therapies after HP failureNS
Coiling13 (9.5)11 (11)1 (4)
Surgery8 (5.8)7 (6.9)0
Short term success (total)113/137 (82.5)68/102 (66.6)21/25 (84)NS
Primary therapy60/72 (83.3)50/59 (84.7)8/10 (80)
Salvage therapy53/65 (81.5)36/43 (83.7)13/15 (86.6)
Long term success71/108 (65.7)53/78 (67.9)15/22 (68.2)NS
Primary therapy39/57 (68.4)32/45 (71)6/10 (60)
Salvage therapy32/51 (62.7)21/33(63.6)9/12 (75)
Re-bleeding rate34/137 (24.8)24/102 (23.5)4/25 (16)NS
Primary therapy15/72 (20.8)11/59 (18.6)2/10 (20)
Salvage therapy19/65 (29.2)13/43 (30.2)2/15 (13)
Table 3 Etiology of upper gastrointestinal bleeding and success in bleeding management (short term, long term, re-bleeding rate)
HS and EC (n = 137)Hemospray (n = 102)Endoclot (n = 25)
Reflux esophagitis, n17161
Overall ST, LT, RBR (%)92, 60, 0100, 33, 0100, 0, 0
Primary ST, LT, RR (%)100, 100, 0100, 100, 00
Salvage ST, LT, RR (%)100, 100, 0100, 100, 0100, 0, 0
OG variceal disease, n13112
Overall ST, LT, RBR (%)85, 56, 3891, 50, 45100, 100, 0
Primary ST, LT, RBR (%)75, 25, 7566, 66, 100100, 100, 0
Salvage ST, LT, RBR (%)100, 80, 22100, 80, 25100, 0, 0
Peptic ulcer disease, n493412
Overall ST, LT, RBR (%)80, 57, 3480, 59, 2984, 50, 31
Primary ST, LT, RBR (%)79, 67, 2181, 71, 1875, 50, 25
Salvage ST, LT, RBR (%)81, 67, 4678, 40, 5090, 62,3 0
Angiodysplasia, -ectasia, n861
Overall ST, LT, RBR (%)75, 85, 066, 80, 0100, 100,0
Primary ST, LT, RBR (%)75, 100, 075, 100, 00
Salvage ST, LT, RBR (%)75, 75, 050, 50, 0100, 100, 0
Diffuse bleeding and erosions, n22164
Overall ST, LT, RBR (%)77, 72, 3687, 84, 2566, 66, 33
Primary ST, LT, RBR (%)78, 67, 33100, 100, 075, 50, 25
Salvage ST, LT, RBR (%)66, 70, 5871, 66, 57100, 50, 50
Cancer bleeding, n15121
Overall ST, LT, RBR (%)81, 85, 1085, 92, 10100, 100, 0
Primary ST, LT, RBR (%)100, 100, 0100, 100, 0100, 100, 0
Salvage ST, LT, RRB (%)67, 50, 067, 75, 170
Other bleeding sources, n1374
Overall ST, LT, RBR (%)70, 70, 4075, 58, 5886, 75, 28
Primary ST, LT, RBR (%)62, 60, 5050, 43, 6280, 67, 20
Salvage ST, LT, RBR (%)77, 69, 36100, 100, 0100, 75, 30
Table 4 Clinical characteristics of the patients treated with Hemospray and Endoclot for lower gastrointestinal bleeding n (%)
HS and EC (n = 17)Hemospray (n = 9)Endoclot (n = 7)P value
Sex (M)1586ns
Age, yr0.007
mean ± SD67.8 ± 12.272.9 ± 9.265.6 ± 9.2
range37-8151-8137-76
Application asns
Primary therapy10 (59)5 (55)4 (57.1)
Salvage therapy7 (41.2)4 (44)3 (56)
Definite therapy after HP failurens
Coiling000
Surgery1 (5.9)01 (14)
Comorbidities
Coagulopathy3 (17.6)2 (22)1 (14)
Renal insufficiency6 (35.3)3 (33)3 (43)
Hemodialysis3 (17.6)2 (22)1 (14)
Liver cirrhosis2 (11.8)2 (22)0
Therapeutic anticoagulation10 (59)3 (33)6 (86)
Dual antiplatet therapy1 (5.9)01 (43)
Vitamin K Antagonists3 (17.6)03 (43)
DOAC3 (17.6)02 (29)
Antiaggregation therapy5 (29.4)2 (22)3 (43)
Short term success12 (79.6)6 (67)5 (71)ns
Primary therapy7 (70)3/5 (60)3/4 (75)
Salvage therapy5 (71.4)3/4 (75)2/3 (67)
Long term success10 (76.9)6/7 (86)3/5 (75)ns
Primary therapy6 (75)3/4(75)2/3 (67)
Salvage therapy4 (57.1)3/3 (100)1/2 (50)
Re-bleeding rate7 (41.2)3 (33)4 (57)ns
Primary therapy3 (30)2/5 (40)1/4 (25)
Salvage therapy4 (57.1)1/4 (25)3/3 (100)