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Table 3 Complications of laparoscopic sleeve gastrectomy

From: Value of contrast-enhanced multidetector computed tomography in imaging of symptomatic patients after laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy

 Complications and radiographic findingsManagement
Intraoperative (n = 3)Liver contusion (n = 1) 
Splenic tear (n = 2): a serrated low-density area in the spleen 
Early postoperative (n = 48)• Leakage (n = 18): (23.1%); within 1–10 days. (Figs. 8 and 9)
• The most common site of leak was the proximal 1/3 of the sleeve just below the esophagogastric junction, followed by middle then lower thirds
• Pneumoperitoneum
• Free fluid
Laparoscopic re-exploration and surgical closure
Perigastric collection and hematoma (n = 26) (33%) within 3–10 days (Fig. 7)
• Acute hematoma: hyperdense collection
• Hemoperitoneum (n = 5)
• Extravasation of IV contrast if there is active bleeding from staple lines or suture lines (n = 2)
Conservative (n = 9) laparoscopic—re-exploration and surgical drainage in the presence of hemodynamic instability (n = 3)
Gastropancreatic abscess (n = 1) located in the left subphrenic area (Fig. 11)CT-guided percutaneous drainage with appropriate antibiotic coverage
Gastrobronchial fistula (n = 1)
The site of the fistulous tract was clearly visualized by CT
failed to heal after endoscopic insertion of a stent
Rectus sheath hematoma: (n = 2) 
Late postoperative (n = 27)Vascular thrombosis: PV, SMV, and SV (n = 10) (13%) within 6 months to 2 years postoperatively (Fig. 10)Medical treatment.
Gastric stricture (n = 1) (Fig. 12)Focal strictures respond to endoscopic dilation, but longer segments of narrowing necessitate surgical revision or resection of the pouch
Dilatation of the gastric pouch (n = 8) (10%) and weight gain (Fig. 13)Surgical revision of the pouch
Incisional hernia(n = 1): eventration of bowel loops and mesenteric fat 
Hiatus hernia (n = 4) 
Gastritis(n = 1) 
S.C. seroma (n = 1) 
Port site hernia (n = 1)