Review
Copyright ©The Author(s) 2023.
World J Gastroenterol. Dec 21, 2023; 29(47): 6095-6110
Published online Dec 21, 2023. doi: 10.3748/wjg.v29.i47.6095
Table 1 Common causes of upper gastrointestinal bleeding in neonates[1,3,5,24]
Cause
Bleeding source location
Swallowed bloodNon-GI bleeding
Nasogastric tube placementStomach
Stress-related gastritisStomach
CMPAStomach, duodenum
NECLower GI tract
Vitamin K deficiencyDistinct locations
DICDistinct locations
Congenital coagulation disorders1Distinct locations
Table 2 Common causes of upper gastrointestinal bleeding in infants[1,3,5,17,26]
Cause
Bleeding source location
Erosive esophagitisEsophagus
Reflux esophagitisEsophagus
Ingestion of caustic substances and foreign bodiesEsophagus, stomach
Erosive gastritisStomach
Stress ulcersStomach
Drug-induced gastritis (most commonly by NSAIDs)Stomach
PGSStomach
CMPAStomach, duodenum
Table 3 Common causes of upper gastrointestinal bleeding in toddlers[1,4,18]
Cause
Bleeding source location
Erosive esophagitisEsophagus
Mallory-Weiss tearEsophagus
Ingestion of caustic substances and foreign bodiesEsophagus, stomach
Variceal bleeding associated with portal hypertensionEsophagus, stomach
Erosive gastritisStomach
Peptic ulcersStomach
PGS Stomach
Drug-induced gastritis (most commonly by NSAIDs)Stomach
Table 4 Common causes of upper gastrointestinal bleeding in children ages > 3 yr[1,4,5,24,50]
Cause
Bleeding source location
Erosive esophagitisEsophagus
Reflux esophagitisEsophagus
Mallory-Weiss tearEsophagus
Variceal bleeding associated with portal hypertensionEsophagus, stomach
Erosive gastritisStomach
Stress ulcersStomach
Drug-induced gastritis (most commonly by NSAIDs)Stomach
Helicobacter pylori gastritisStomach
Peptic ulcersStomach, duodenum
Acquired hematological disorders (ITP, leukemia, etc.)Distinct locations
Table 5 Unusual causes of upper gastrointestinal bleeding in children, based on age
Cause
Age of onset
Bleeding source location
Esophageal duplications[60,62]All agesEsophagus
Eosinophilic esophagitis[63]Children ≥ 3 yrEsophagus
Gastric duplications[65]All agesStomach
Eosinophilic gastritisChildren ≥ 3 yrStomach
Gastric GIST[69]Children ≥ 3 yrStomach
Lymphoma[70]Children ≥ 3 yrStomach
Schwannomas[71,72]Toddlers, children ≥ 3 yrStomach
Focal foveolar hyperplasia[73]InfantsStomach
Bezoar[77]Children ≥ 3 yrStomach
Duplications of duodenum[56,60]All agesDuodenum
Duodenal varices[78]Children ≥ 3 yrDuodenum
Blunt duodenal trauma[81]Children ≥ 3 yrDuodenum
Food as a foreign bodyChildren ≥ 3 yrDuodenum
Hemobilia[83,84]All agesBiliary tract
Dieulafoy’s lesions[89-92]All agesDistinct locations
Peptic ulcers in ZES[94]Children ≥ 3 yrDistinct locations
Peutz-Jeghers syndrome[98]Children ≥ 3 yrDistinct locations
Crohn’s disease[99]Children ≥ 3 yrDistinct locations
HSP[101,104,105]Toddlers, children ≥ 3 yrDistinct locations