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Gastrointestinal bleeding after craniotomy: a retrospective review of 518 patients
Insights
Patients undergoing craniotomy face a higher risk of gastrointestinal bleeding, especially those with a lower Glasgow Coma Score (GCS). This study highlights the GCS as a key indicator for predicting GI bleeding risk post-craniotomy.
Area of Science:
- Neurosurgery
- Gastroenterology
- Critical Care Medicine
Background:
- Craniotomy is a significant surgical procedure with potential complications.
- Gastrointestinal (GI) bleeding is a known, but not fully understood, complication following neurosurgery.
- The Glasgow Coma Score (GCS) is a standard neurological assessment tool.
Purpose of the Study:
- To determine the incidence of significant gastrointestinal bleeding in patients after craniotomy.
- To investigate the relationship between the Glasgow Coma Score (GCS) and the risk of GI bleeding.
- To identify factors associated with GI bleeding in this patient population.
Main Methods:
- Retrospective review of medical records for 518 patients who underwent craniotomy over a 3-year period.
- Data collection included patient demographics, diagnoses, GCS, and occurrence of GI bleeding (hematemesis, melena, hematochezia).
- Statistical analysis to assess the correlation between GCS and GI bleeding incidence.
Main Results:
- The overall incidence of significant GI bleeding was 9.3%.
- Patients with a GCS < 10 had a 21% incidence of GI bleeding, compared to 7% in those with GCS > 10 (p < 0.005).
- GI bleeding incidence increased as GCS decreased; no correlation found with age, sex, steroid use, or anti-ulcer medication.
Conclusions:
- A lower Glasgow Coma Score is a significant predictor of gastrointestinal bleeding risk following craniotomy.
- The GCS serves as a valuable tool for risk stratification and monitoring for GI complications in neurosurgical patients.
- Further research may explore the underlying mechanisms linking reduced consciousness and GI bleeding post-craniotomy.
Abstract:
A retrospective review of the medical records of 518 patients who underwent craniotomy over a 3 year interval was carried out to determine the rate of gastrointestinal bleeding and its relationship to the Glasgow Coma Score. There were 288 [55.5%] males and 230 [44.5%] females in the series; the mean age was 51.5 +/- 18.9 years. Forty percent had brain tumours, 18% had subarachnoid hemorrhage, 14% had spontaneous intracerebral hemorrhage, 19% had head injury and 8% had other diagnoses. Forty-eight [9.3%] of the patients had significant gastrointestinal bleeding, the distribution of which was as follows: hematemesis [37/518], melena [11/518] and/or hematochezia [4/518]. A further 51 [9.8%] had evidence of "coffee ground emesis" only. Of those with a Glasgow Coma Score of less than 10, 21% had significant GI bleeding while only 7% of patients with a Glasgow Coma Score greater than 10 had such a bleed [p less than 0.005]. Further analysis showed that the incidence of GI bleeding in patients who underwent craniotomy increased with decreasing GCS. GI bleeding did not correlate with age, sex, steroid administration or casual use of anti-ulcer medication.