The present study aimed to clear the fluctuation dynamics for both Tetranychus urticae Koch and the associated predatory mite Amblyseius gossypii ElBadry to show their active periods that advantageously in controlling T. urticae biologically. It was occurred on guava trees (Psidium guajava L). Guava trees were seven years old in an orchard in Beer El-Abd city, North Sinai Governorate, Egypt were studied during April 2019 to March 2021. Observation was done fortnightly on both mite species density per leaf by selecting ten guava trees each of four accessions and five branches from each plant with the help of 20x hand lens. Both year the population of T. urticae showed its highest density through two essential periods in early and mid-summer, while the predatory mite, A. gossypii began its activity with the beginning of the prey activity. At winter season, the population of both the prey and the predator dropped.
Background: Single anastomosis sleeve ileal (SASI) bypass has been introduced as a novel modification of sleeve gastrectomy by adding a side-to-side single loop anastomosis between the gastric pouch and the ileum. The SASI bypass is still considered an investigational technique that needs more assessment.Aim: this study assessed the short-term operative and postoperative outcomes of laparoscopic "SASI" Bypass in management of patients with super-morbid obesity.
Methods And Patients:This cohort retrospective study included 20 adult patients with super-morbid obesity with a body mass index (BMI) more than 50 kg/m 2 who underwent laparoscopic SASI bypass surgery. All patients were scheduled for follow-up regularly at 3, six months, and 12 months post-operatively.Results: Body weight, BMI and waist-hip ratio showed a significant progressive decrease over the one-year follow-up period (p <0.001). Mean preoperative BMI was 53.49 ±2.20 and was significantly reduced to 36.71 ±1.84 at six months and 27.13 ±1.05 at one year. Rates of excess weight loss (EWL) and excess BMI loss showed a significant progressive increase over time (p < 0.001). The mean EWL was 33.11 ±3.33% at 3 months and significant increase to 52.18 ±4.34% at 6 months and 82.02 ±2.11% at 12 months. Evaluation of associated comorbidities 1 73 year following surgery revealed whole remission of hypertension in five out of six cases, with a statistically significant difference.(p = 0.031). At one -year post-operative, quality of life improved to very good (65.0%) or good (25.0%); however, it remained fair in two (10.0%) patients.Conclusions: Laparoscopic SASI is efficient in reducing weight in patients with super-morbidly obesity. It showed progressively significant weight loss over one year and efficacy in controlling associated medical comorbidities. Additionally, it was a relatively safe technique with a reasonably little complication rate.
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