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We conducted a systematic review and meta-analysis to assess the efficacy of intragastric BTA injection in patients with obesity and morbid obesity. Five RCTs were identified. Intragastric BTA injection was no superior to saline in absolute weight loss or BMI change, but significantly lengthened the gastric emptying time (MD, 15.57; 95% CI, 8.75 to 22.38). In meta-regression analysis, the absolute weight loss was lower in the patients with high baseline BMI. In subgroup analysis, the use of BTA in absolute weight loss was significantly lower among the patients with baseline BMI more than 40 kg/m2 (MD, − 5.31; 95% CI, − 6.17 to − 4.45). The benefit of intragastric BTA injection in reduction of absolute weight was observed in patients with baseline BMI more than 40 kg/m2.

In March 2020, the coronavirus disease 2019 (COVID-19) outbreak was declared as a pandemic by the World Health Organization. The COVID-19 breached the Taiwanese government's defense, and the Central Epidemic Command Center (CECC) announced a Nationwide Level 3 Alert on May 19, 2021. In summary, the residency training has been affected as follows: less exposure to elective surgeries and decreased training time. In the COVID-19 pandemic era, both my life and career as a surgical resident have been deeply affected. Worries, anxiety, and fear about insufficient training, unfulfilled career development, and unknown future have been prevalent daily. However, surgeons have always managed to confront and overcome difficulties and challenges with courage and fearlessness. Hence, it is also important that we face the COVID-19 pandemic situation and adapt wisely.

Laparoscopic gastric clipping (LGC) is a relatively novel restrictive bariatric surgery wherein a horizontal metallic clip is applied to the gastric fundus. Its intraoperative complications or the difficulties associated with the applied gastric clip (GC) during revisional procedures have seldom been mentioned. Herein, the experience of revisional procedures after initial gastric clipping is reported. A retrospective cohort review of LGC based on the Taiwan Bariatric Registry of Taiwan Society Metabolic and Bariatric Surgery was performed. Six patients with severe obesity presented for revisional surgery after initial LGC by other surgeons. Patients’ characteristics, indications, and details of revisional surgery were recorded. Between 2012 and 2019, 39 patients who underwent pure LGC and six patients with previous LGC history were referred for revisional surgery. Their mean age and the mean body mass index were 34.7 ± 9.5 years and 38.4 ± 10.5 kg/m2, respectively. Three, two, and one patient underwent revisional surgery for insufficient weight loss, weight recidivism, and intractable belching, respectively. The mean interval between initial LGC and revisional surgery was 40.5 ± 22.4 months. Laparoscopic removal of the GC with concomitant revisional surgeries were collected, including a revision to sleeve gastrectomy (n = 5) and revision to Roux-en-Y gastric bypass (n = 1). Moreover, the mean operative time was 286.8 ± 78.2 min. All patients had uneventful recovery postoperatively but experienced significant adhesion around the GC and the left liver. Laparoscopic revisional surgery with concomitant GC removal for patients with severe obesity after gastric clipping could be feasibly conducted by experienced bariatric surgeons.

We conducted a systematic review and meta-analysis to assess the efficacy of intragastric BTA injection in patients with obesity and morbid obesity. Five RCTs were identified. Intragastric BTA injection was no superior to saline in absolute weight loss or BMI change, but significantly lengthened the gastric emptying time (MD, 15.57; 95% CI, 8.75 to 22.38). In meta-regression analysis, the absolute weight loss was lower in the patients with high baseline BMI. In subgroup analysis, the use of BTA in absolute weight loss was significantly lower among the patients with baseline BMI more than 40 kg/m