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Gallbladder sludge formation after bone marrow transplant: sonographic observations
S A Teefey1, M S Hollister, S P Lee
1Department of Radiology, University of Washington School of Medicine, Seattle.
Abdominal Imaging
|January 1, 1994
Summary
Gallbladder sludge frequently develops early after bone marrow transplantation (BMT), affecting 67% of patients. Impaired gallbladder function or stasis factors like fasting were not strongly linked to sludge formation in these BMT recipients.
Area of Science:
- Gastroenterology
- Hepatology
- Transplantation Medicine
Background:
- Gallbladder sludge formation is a concern in patients undergoing bone marrow transplantation (BMT).
- Understanding risk factors for sludge formation in BMT patients is crucial for clinical management.
Purpose of the Study:
- To prospectively evaluate the incidence and timing of gallbladder sludge formation in patients before and after bone marrow transplantation (BMT).
- To assess the relationship between gallbladder ejection fraction (EF), fasting, narcotic use, and sludge/stone development post-BMT.
Main Methods:
- Serial sonography was performed on 12 patients pre-BMT and on days 3, 13, and 28 post-BMT to detect gallbladder sludge and stones.
- Gallbladder volume and ejection fraction (EF) were measured using cholecystokinin octapeptide (CCK-OP) during specific sonographic studies.
- Patient records were reviewed for cholecystitis symptoms, narcotic use, and dietary intake (fasting status).
Main Results:
- Gallbladder sludge and/or stones developed in 8 of 12 patients (67%), with sludge appearing as early as day 3 post-BMT.
- Normal gallbladder ejection fraction (>50%) was observed pre-BMT in most patients who later developed sludge.
- Sludge/stone formation occurred in 5 patients despite the absence of fasting or narcotic use, suggesting other contributing factors.
Conclusions:
- Gallbladder sludge is a common and early complication following bone marrow transplantation (BMT).
- The study did not establish a clear link between impaired gallbladder contractility or presumed stasis factors (fasting, narcotics) and sludge formation in BMT patients.
- These findings indicate that factors beyond impaired gallbladder contractility and stasis may contribute to sludge development in the BMT population.