Risk Factors for an Iatrogenic Mallory-Weiss Tear Requiring Bleeding Control during a Screening Upper Endoscopy
Table 1
Baseline characteristics and endoscopic findings of patients with iatrogenic Mallory-Weiss tears.
Total ()
MWTs with bleeding control ()
MWTs without bleeding control ()
value
Median age, years (IQR, years)
53 (43–64)
63 (53–71)
51 (42–62)
<0.001
Sex (M/F)
330/216
49/22
281/194
0.120
Diabetes mellitus
43 (7.9)
6 (8.5)
37 (7.8)
0.814
Hypertension
130 (23.8)
22 (30.9)
108 (22.7)
0.136
Liver disease
38 (6.9)
4 (5.6)
34 (47.9)
0.805
Medication
Antiplatelet
35 (6.4)
5 (7.0)
30 (6.3)
0.795
Anticoagulant
6 (1.1)
2 (2.8)
4 (0.8)
0.177
History of distal gastrectomy
19 (3.5)
8 (11.3)
11 (2.3)
0.001
Reflux esophagitis
0.991
None/minimal
397 (72.7)
50 (70.4)
347 (73.1)
LA-A
109 (19.9)
15 (21.1)
94 (19.8)
LA-B
33 (6.0)
5 (7.1)
28 (5.9)
LA-C
7 (1.3)
1 (1.4)
6 (1.2)
Sedation (yes/no)
335/211
32/39
303/172
0.004
Median endoscopic procedures performed at the time of the MWT (IQR)
2,596 (778.5–8,742)
1,622 (699–4,823)
3,037 (820–9,435)
0.015
n: number; MWT: Mallory-Weiss tear; IQR: interquartile range; M: male; F: female; LA: Los Angeles classification. Data represent the numbers of patients (%).
