Weight loss after bariatric surgery varies and depends on many factors, such as time elapsed since surgery, baseline weight, and co-morbidities.
We analyzed weight data from 494 patients who underwent laparoscopic Roux-en-Y gastric bypass (RYGBP) by one surgeon at an academic institution between June 1999 and December 2004. Linear regression was used to identify factors in predicting % excess weight loss (%EWL) at 1 year.
Mean patient age at time of surgery was 44 +/- 9.6 (SD), and the majority were female (83.8%). The baseline prevalence of co-morbidities included 24% for diabetes, 42% for hypertension, and 15% for hypercholesterolemia. Baseline BMI was 51.5 +/- 8.5 kg/m(2). Mean length of hospital stay was 3.8 +/- 4.6 days. Mortality rate was 0.6%. Follow-up weight data were available for 90% of patients at 6 months after RYGBP, 90% at 1 year, and 51% at 2 years. Mean %EWL at 1 year was 65 +/- 15.2%. The success rate (> or = 50 %EWL) at 1 year was 85%. Younger age and lower baseline weight predicted greater weight loss. Males lost more weight than females. Diabetes was associated with a lower %EWL. Depression did not significantly predict %EWL.
The study demonstrated a 65 %EWL and 85% success rate at 1 year in our bariatric surgery program. Our finding that most pre-surgery co-morbidities and depression did not predict weight loss may have implications for pre-surgery screening.
[Show abstract][Hide abstract] ABSTRACT: A method is presented for imaging the detailed structure of surface-breaking tight cracks from the surface opposite to the cracks. The technique combines laser-ultrasonics and data processing with an improved version of the Fourier-domain Synthetic Aperture Focusing Technique (F-SAFT). The key point of this study is to use laser-generated shear waves, which interact very effectively with the crack roots. Ultrasonic images of the stress corrosion cracks, having depths of typically 0.5 mm. and widths of less than 0.05 mm, are successfully reconstructed and compared with results from liquid penetrant testing.
[Show abstract][Hide abstract] ABSTRACT: Bariatric surgery is a clinically effective treatment for obesity and has been shown to be cost-effective. The impact of bariatric surgery on the subsequent ability to work and the uptake of state-funded benefits is not well documented.
A consecutive series of 79 patients who had undergone laparoscopic Roux-en-Y gastric bypass (LRYGBP) or laparoscopic adjustable gastric banding (LAGB) were surveyed to assess changes in their ability to work and the number and type of state benefits claimed after surgery.
59 patients (75%) responded, median age 45, median follow-up 14 months. There was a 32% increase in the number of respondents in paid work after surgery (P<0.05). The mean weekly hours worked increased from 30.1 to 35.8 hours (P<0.01). Respondents also reported a decrease in obesity-related physical and emotional constraints on their ability to do work (P<0.01). Fewer patients claimed state benefits postoperatively (P<0.01).
More patients perform paid work after LRYGBP and LAGB than beforehand, and the number of weekly hours they work increases. After surgery, patients claim fewer state benefits.
Obesity Surgery 04/2007; 17(4):434-7. DOI:10.1007/s11695-007-9073-7 · 3.75 Impact Factor
Data provided are for informational purposes only. Although carefully collected, accuracy cannot be guaranteed. The impact factor represents a rough estimation of the journal's impact factor and does not reflect the actual current impact factor. Publisher conditions are provided by RoMEO. Differing provisions from the publisher's actual policy or licence agreement may be applicable.