Index
Module 14 • Preventive Care
Supportive & Preventive Medicine
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Data Tables
Supportive & Preventive Medicine
Megan Feeney ~3 min read Module 14 of 20
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Supportive and Preventive Medicine

Study

Design and Population

Independent Risk Factors

for Bleeding

Notes

Crit Care Med

1999;27:2812-7

โ€ขMulticenter, prospective cohort

study of 1200 mechanically

ventilated patients

โ€ขRandomized trial of sucralfate

vs. ranitidine for prevention of

GI bleeding

โ€ขRenal failure (RR 1.16;

95% CI, 1.01โ€“1.32).

โ€ขEnteral nutrition and SUP

with ranitidine associated

with lower incidence of

GI bleeding

JAMA

Intern Med

2014;174:564-74

โ€ขMulticenter, retrospective

database study of 35,312 ICU

patients

โ€ขSUP administered with

histamine-2 receptor antagonist

or PPI for 48 hr

โ€ขAge > 50 yr
โ€ขMale sex
โ€ขAcute respiratory failure
โ€ขShock
โ€ขSepsis
โ€ขAcute kidney injury
โ€ขAcute or chronic hepatic

injury

โ€ขNeurologic injury
โ€ขMyocardial infarction
โ€ขCoagulopathy
โ€ขUnable to assess severity

of GI bleeding outcomes

as events identified by

ICD-9 codes

Intensive Care

Med 2015;41:833-

โ€ขMulticenter, prospective,

cohort study of 1034 ICU

patients

โ€ขOverall, 73% received SUP

at some point during ICU

admission, most often PPIs

โ€ขRenal replacement

therapy

โ€ขLiver disease
โ€ขGreater severity of illness
โ€ขCoexisting or acute

coagulopathy

GI = gastrointestinal; ICU = intensive care unit; ICD-9 = International Classification of Diseases, Ninth Revision; INR = international normalized ratio; PPI = proton

pump inhibitor; SUP = stress ulcer prophylaxis.

Information from: Cook DJ, Fuller HD, Guyatt GH, et al. Risk factors for gastrointestinal bleeding in critically ill patients. Canadian Critical Care Trials Group. N Engl

J Med 1994;330:377-81; Cook DJ, Heyland D, Griffith L, et al. Risk factors for clinically important upper gastrointestinal bleeding in patients requiring mechanical

ventilation. Canadian Critical Care Trials Group. Crit Care Med 1999;27:2812-7; MacLaren R, Reynolds PM, Allen RR. Histamine-2 receptor antagonists vs proton
pump inhibitors on gastrointestinal tract hemorrhage and infectious complications in the intensive care unit. JAMA Intern Med 2014;174:564-74; Krag M, Perner A,
Wetterslev J, et al. Prevalence and outcome of gastrointestinal bleeding and use of acid suppressants in acutely ill adult intensive care patients. Intensive Care Med

2015;41:833-45.

2Additional risk factors for SRMD (Am J Health Syst Pharm 1999;56:347-79; Crit Care Med.

2024;52(8):e421-e430. J Trauma 1995;39:289-94):

Spinal cord/head trauma

Thermal injury affecting more than 35% of total body surface area

History of GI bleed within the past year

d.Postoperative transplantation

Ulcerogenic medications (nonsteroidal anti-inflammatory drugs, aspirin, corticosteroids)

3

Elevated intracranial pressure and cerebral vasospasm were found to be additional risk factors for

clinically important upper GI bleeds in patients with aneurysmal subarachnoid hemorrhage (Neurocrit

Care. 2021;35(1):39-45).

4
Enteral nutrition has been suggested as a protective variable (Crit Care Med 2010;38:2222-8; Crit Care

2018;43:108-13)

Table 3. Studies Evaluating Risk Factors for Stress-Related Bleeding (continued)
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