Endoscopic ultrasound-guided gallbladder drainage for acute cholecystitis: Long-term outcomes after removal of a self-expandable metal stent

Table 1 Patient characteristics

Characteristics
Age, mean ± SD, yr	76.3 ± 12.1
Sex, male/female	9/3
Underlying condition
III	66.7% (8/12)
IV	33.3% (4/12)
Advanced malignancy	8.3% (1/12)
White blood cell count (mean, range)	14525 (9100-21300) per μL
C-reactive protein (mean, range)	15.7 (2.0-32.7) mg/dL

Table 2 Outcomes of endoscopic ultrasound-guided gallbladder drainage

Technical success rate	100% (12/12)
Functional success rate	100% (12/12)
Rate of removal	67% (8/12)
Rate of replacement	33% (4/12)
Adverse events	0% (0/12)
Recurrence of cholecystitis	8.3% (1/12)
Follow-up period, days [median, range]	304 (78-1492)
Patient status on follow-up
Alive	91.7% (11/12)
Dead	8.3% (1/12)

SEMS: Self-expandable metal stent.