Retrospective analysis from 99 Japanese cases of bariatric surgery at Chiba University Hospital.

1

Research Center for Frontier Medical Engineering, Chiba University, Chiba, Japan 2Frontier Surgery, Chiba

University Graduate School of Medicine, Chiba, Japan 3Department of Surgery, Shimotsuga General Hospital,Tochigi, Japan
Hiroshi Kawahira1,Isao Kawamura2,Masaaki Kodama3,Hideki Hayashi1,Toshiyuki Natsume2,Takashi Akai2,MikitoMori2,Yukimasa Miyazawa2,Hisahiro Matsubara2

Background: Since "classical-style" gastric bypass for morbid obesity has been performed in 1982, thefirst bariatric surgery in Japan, the number of obesity patients has been gradually increased. This is
the retrospective analysis of the patient outcome at Chiba University Hospital, Japan. Patients & Methods:
99 patients have been operated for bariatric surgery in our department and our related hospital from1982 though 2006. 31 males and 68 females were applied. The average age was 30.7 ± 9.8 years. 11 classicalstyle gastric bypass, 69 gastroplasty (50 vertical banded gastroplasty, 8 horizontal banded gastroplasty,
11 other types), 17 Roux-Y gastric bypass, 1 sleeve gastrectomy and 1 sleeve gastrectomy with duodenalswitch were performed in this study. Results: The body weight of each patients has been decreased favorably(figure). Among all surgery, no postoperative death has been observed. Conclusion: Our results indicatedthat bariatric surgery is safe and effective for Japanese.

Although the higher disease rate of gastriccancer than western patients, we expect that more clinical trials will be designed and performed formore effective and suitable surgical procedures for Japanese obesity patients.

Similar resolution of weight and biochemical aberrations in the first 24 months despite different
bariatric procedures

1

Nutrition Course,

N.S.Fatima Faculty and University of Sao Paulo, Brazil 2Nutrition Course,

N.S.Fatima

Faculty, Caxias do Sul, RS, Brazil
Joel

Faintuch2,Daniela

Giesch2,Camile22

Soares ,Francisco J Karkow

Boscaini2,Lovaine

Rodrigues2,Fernanda

Pezzi2,Rafael

M

Introduction: Malabsorptive operations (Scopinaro/SCOP and duodenal switch/DS) are considered more
effective than Roux-en-Y gastric bypass (RYGB) for weight reduction and biochemical normalization, butcomparative studies are not common . Objective: In a single-center prospective study, outcome in thefirst two years was comparatively monitored. Methods: Patients (N=41) were submitted to threeinterventions (SCOP, DS and RYGB) according to clinical criteria. There were no differences regarding
age ( 44 &plusmn 11 years), gender ( 83% females) or preoperative BMI or body weight (BMI 46 &plusmn
5 kg/m2).

Measurements included hematologic counts, iron, ferritin, triglycerides, total cholesteroland fractions, and glucose., which were documented preoperatively and1, 3, 6, 12 and 24 months aftersurgery.Results: Patients submitted to the Scopinaro modality exhibited higher preoperative BMI (notstatistically significant), but difference leveled off after 12 months. By the same token most biochemicalvariables normalized between 6 and 12 months, so that after two years the three populations displayed
similar numbers for all documented variables. Conclusions: All three techniques were followed by adequate
clinical and biochemical response. Scopinaro candidates were somewhat heavier but reached comparable
BMI at the end of the study. Differences between the operations were not obvious during 24 months, andshould probably require longer follow-up and superobese participants to be detected.

Intragastric balloon treatment for morbid obesity in Japanese patients.

1: Department of Gastrointestinal Surgery, Graduated School of Medicine, The University of Tokyo
2: Department of Gastrointestinal Surgery, Toranomon Hospital
Fumihiko Hatao1, Masako Ogawa1,2, Yumie Wada1, Nobuyuki Shimizu1, Yasuyuki Seto1

Background; Recently, also in Japan, bariatric surgery is a growing trend. We concern that Japanesepatients undergoing bariatric surgery are at risk of developing gastric cancer, which is the most common
malignancy in Japanese. Therefore, we expect that the temporary placement of intragastric balloon issuitable for Japanese.
Methods; We started the clinical trial of intragastric balloon treatment from 2007. We picked up patients
according to the inclusion criteria of our institution which was “morbid obesity (BMI ≧ 35) after
conservative treatments including admission of more than one week duration and outpatient visit for 6months.”

The balloon was removed within 6 months according to the manufacturer's suggestions.

Results; Six patients who met this criteria underwent the placement of intragastric balloon. No
complications occurred. The average duration of procedure was 20.8 min. The average length of the hospital
stay was 6.0 days. No one needed to remove ahead of schedule. The average weight loss and percent excess
weight loss at the time the balloon was removed were 10.4 kg and 19.8%, respectively. Four patients had
kept more than 20% of percent excess weight loss 6 months after the balloon removal. However, 2 patientsalready regained their weight during the placement of intragastric balloon.
Conclusion; Intragastric balloon treatment for morbid obesity in Japanese patients is safety and havesome efficacy.

Intragastric balloon treatment for morbid obesity in Japanese patients.

Fumihiko Hatao1, Masako Ogawa1,2, Yumie Wada1, Nobuyuki Shimizu1, Yasuyuki Seto1
1: Department of Gastrointestinal Surgery, Graduated School of Medicine, The University of Tokyo
2: Department of Gastrointestinal Surgery, Toranomon Hospital

Background; Recently, also in Japan, bariatric surgery is a growing trend. We concern that Japanesepatients undergoing bariatric surgery are at risk of developing gastric cancer, which is the most common
malignancy in Japanese. Therefore, we expect that the temporary placement of intragastric balloon issuitable for Japanese.
Methods; We started the clinical trial of intragastric balloon treatment from 2007. We picked up patients
according to the inclusion criteria of our institution which was “morbid obesity (BMI ≧ 35) after
conservative treatments including admission of more than one week duration and outpatient visit for 6months.”

The balloon was removed within 6 months according to the manufacturer's suggestions.

Results; Six patients who met this criteria underwent the placement of intragastric balloon. No
complications occurred. The average duration of procedure was 20.8 min. The average length of the hospital
stay was 6.0 days. No one needed to remove ahead of schedule. The average weight loss and percent excess
weight loss at the time the balloon was removed were 10.4 kg and 19.8%, respectively. Four patients had
kept more than 20% of percent excess weight loss 6 months after the balloon removal. However, 2 patientsalready regained their weight during the placement of intragastric balloon.
Conclusion; Intragastric balloon treatment for morbid obesity in Japanese patients is safety and havesome efficacy.