Table 3

Cases of mortality within 30 days of the endoscopic procedure

Procedure typePatient age (years)Indication for procedureASA grade documentedSedation usedReason for reversalFactors contributing to mortality
ERCP80Obstructive jaundiceSevere systemicMidazolam 2 mg, Fentanyl 75 μgPersistent hypoxiaIntracranial event, sepsis secondary to pneumonia, acute renal failure
OGD81MelaenaFit
(*Severe systemic)
Midazolam 1 mgHypotensionRecurrent GI bleed with no bleeding source identifiable. Pulmonary oedema, aspiration pneumonia, cellulitis
ERCP59Stent insertion (pancreatic cancer with gastric outlet obstruction)Severe systemic
(*Life-threatening)
Midazolam 3 mg, Fentanyl 50 μgDeep sedation and food residue in stomach (risk of aspiration in recovery)Metastatic pancreatic adenocarcinoma
OGD85PEG placement (unsafe swallow)Severe systemicMidazolam 2 mgHypoxia, reduced responsivenessAspiration pneumonia, acute mesenteric ischaemia likely embolic in origin secondary to AF
ERCP45CBD stricture, stent insertionSevere systemic
(*Life-threatening)
Midazolam 4 mg, Fentanyl 50 μgLow respiratory rateAdvanced metastatic breast carcinoma
OGD66PEG placement (unsafe swallow)Mild systemic
(*Severe systemic)
Midazolam 2 mg, Pethidine 50 mgReduced responsiveness, not rousable postprocedurePneumonia, poor compliance with treatment secondary to dementia
OGD76HaematemesisMild systemic
(*Life-threatening)
Midazolam 4 mgFood residue in stomach (aspiration risk)Advanced metastatic oesophageal cancer, persisting GI bleed (patient refused further intervention)
OGD56PEG placementSevere systemicPethidine 50 mgReduced responsiveness postprocedureHIV-associated progressive multifocal leucoencephalopathy
OGD86MelaenaSevere systemicMidazolam 2.5 mgHypoxiaGI bleed with no bleeding source identifiable, pulmonary oedema, worsening acute on chronic renal failure
OGD90PEG placementSevere systemicMidazolam 1 mgHypoxiaHospital-acquired pneumonia, Clostridium difficile infection, GI bleeding, congestive cardiac failure
  • *Pre-endoscopy patient ASA grade deemed to be different after review of individual patient medical case notes.

  • ASA, American Society of Anesthesiologists; AF, atrial fibrillation; CBD, common bile duct; ERCP, endoscopic retrograde cholangiopancreatography; GI, gastrointestinal; OGD, oesophago-gastro-duodenoscopy; PEG, percutaneous endoscopic gastrostomy.