Comparison of Perioperative Outcomes Between Energy Device During Laparoscopic Gastrectomy

Comparison of Perioperative Outcomes Between Bipolar Sealing Device and Ultrasonic Shears During Laparoscopic Gastrectomy for Early Gastric Cancer

To find out which instrument can be much better for laparoscopic gastrectomy among Harmonic scalpel, Ligasure Maryland, Thunderbeat

comparing postoperative CRP level in each group

To find out which instrument can be much better for laparoscopic gastrectomy among Harmonic scalpel, Ligasure Maryland, Thunderbeat

comparing postoperative CRP level in each group

1. post operative 2nd day CRP level
2. post operative 4th day CRP level
3. post operative IL-6, 10 level in 2nd, 4th day

Inclusion Criteria:

• pathologically proven adenocarcinoma in stomach
• patients who are expected for R0 resection with distal gastrectomy
• pre-operative clinical stage should be stage I
• patients who is able to be followed up with in postoperative 30 days
• patients whose CRP is normal before surgery

Exclusion Criteria:

• patients who had an abdominal surgery
• patients who received chemotherapy, radiotherapy before surgery
• patients who received ESD before surgery
• Patients who had an ascites on pre-operative CT scan
• liver cirrhosis
• cardiovascular disease (Ejection Fraction<50%)
• serum creatinine > 1.4 mg/dL or BUN>26mg/dL
• PT INR >1.2 or aPTT>45sec
• uncontrolled diabetes
• Crohn's disease, ulcerative colitis
• patients who receives anti-coagulants
• patients who need pre-operative steroid booster because of steroid treatment
• pregnancy
• patients who have allergic reaction to iodine