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The nasal airway evaluation in morbid obesity

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The aim of the present study was to evaluate objectively the nasal patency in the obese patients. A total of 18 morbidly obese patients were recruited for the study. All of them were surgically treated because of morbid obesity using Bilo-Pancreatic Diversion (BPD) or Laparoscopic Gastric Banding (LGB) methods. The patients were free of nasal abnormalities, such as septum deviation, polyps, nasal concha hypertrophy and paranasal sinus diseases. This group comprised 10 men and 8 women aged from 17 to 54. The mean Body Mass Index (BMI) was 51.6 kg/m2, ranged from 34.7 to 61.8 kg/m2. In all of the patients the nasal patency was examined by active anterior rhinomanometry according International Standardization Rhinomanometric Committee using air pressure 75, 100 and 150 dPa. The results were compared to the healthy control group. The correlation between BMI and nasal airflow pressure was also examined. We found that inspiration values for 75, 100 and 150 dPa as well as the expiration values for 100 and 150 dPa in standard method and expiration values for 100 and 150 dPa in Broms method using anterior rhinomanometry in morbidly obese patients were statistically significant higher in comparison with the healthy controls. No statistical significant correlation between BMI of obese patients and the airflow pressure values was found. We conclude that in the morbide obesity the nasal patency is reduced as compared to the healthy controls.
The aim of this study was to analyse incidence and efficacy of revisional surgery for failed vertical banded gastroplasty among 458 patients who underwent primary surgery between 1993 and 2003. Staple line disruption was diagnosed in 29 patients and was an indication for restoration of gastroplasty in 10 cases and a conversion to Roux-en-Y gastric bypass in 19 patients. In two cases of outlet stenosis the band was exchanged to enlarge the collar. In two cases of psychological intolerance of restriction the band was removed because of refusion by patients the conversion to Roux-en-Y gastric bypass. A substantial weight reduction without statistical differences between restoration and conversion group was recognized. In two patients (20%) after restoration and three patients (15.8%) after conversion we observed weight regain (p=0.57). In cases with removed band weight regained up to its value recorded before surgery. In patients with exchanged band weight was under control. No serious complications were observed. We could conclude that patients with weight regain after vertical banded gastroplasty should be offered conversion to Roux-en-Y gastric bypass. When malabsorption is refused, restoration of vertical banded gastroplasty could be also performed. Both of procedures are technically difficult but safe.
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Bariatric surgery in Poland from 1993 to 2003

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Morbid obesity affects about 300, 000 patients in Poland. The number and type of bariatric procedures performed between 1993 and 2003 has been based on data collected from Polish surgeons active in this field. During the years 1993 - 2003, 1285 primary bariatric procedures were performed in total. Amongst these 79.1% were, commonly done as restrictive ones, including vertical banded gastroplasty-76.3%, laparoscopic adjustable gastric banding-17.7% and silastic ring vertical gastroplasty-5.5% and at last non-adjustable gastric band with 0.5%. Less popular are malabsorptive procedures - 20.9%, with Roux-en-Y gastric bypass - 79.1% and biliopancreatic diversion 20.9%. During last year 2003: malabsorptive procedures represented one third of all primary procedures and the laparoscopic approach was utilised in 18 % of operations. 61 revisions were reported. There are only three centres with experience in treating more than 100 patients (one of them treated over 600). Two centres have experience in carrying out bariatric surgery for longer than five years. During 1993 - 1997 216 operations were performed. Between 1998 - 2002: 724 procedures, and during last year 345. Patients were treated during last year in ten surgical departments. The number of morbidly obese patients treated surgically in Poland is increasing, but it is still inadequate to meet the growing demand.
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The progress in bariatric surgery

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Morbid obesity, caused by fat tissue accumulation, is a serious multi-factorial chronic disease, with rapidly increasing prevalence in most countries in the world including Poland. Conservative treatment of morbid obesity is almost always unsatisfactory and that is why several surgical methods have been developed. There are four kinds of methods: malabsorptive procedures; restrictive procedures; malabsorptive/restrictive procedures and experimental procedures. The development of bariatric surgery goes back to 1952 and since that time it has been evolving dynamically. All the surgical methods have benefits and disadvantages. Presently the introduction of minimally invasive surgical techniques seems to be very safe, efficient and cost-effective in treatment for morbid obesity. New methods are also being evaluated, such as gastric myo-electrical stimulation. Bariatric surgery will still be developing until we understand all the factors responsible for it is origin.
Background. Patients with obesity, including morbid obesity, commit numerous dietary mistakes. They prefer high-energy diets, but of poor nutritional value. Patients qualified for bariatric procedures show deficiencies in vitamins and minerals due to insufficient intake of vegetables, fruit and whole grain products. Objective. Analysis of dietary habits in morbidly obese patients prepared for bariatric surgery, including assessment of eating style and frequency of consumption of certain products. Material and methods. The study group contained 39 people aged 18 - 65 years, who were surveyed with a questionnaire elaborated in the Department of Clinical Dietetics and Nutrition, Medical University of Bialystok. The following factors were assessed: number of meals, snacking between meals and eating at night, types of snacks eaten, and frequency of consumption of certain foods. Results were analyzed using Statistica 9.0. Results. The majority of surveyed men (41.7%) ate three meals a day, whereas most women (40.7%) had at least 4 meals a day. Nearly 85% of the respondents admitted snacking between meals, mainly eating fruit, sweets and sandwiches. Whole grain cereal, milk and dairy products, fish, fruit, vegetables and pulses appeared in diet of patients qualified for treatment of obesity very rarely. Conclusions. Dietary habits of obese patients qualified for bariatric procedures are not consistent with recommendations. Therefore, these patients should receive nutritional education in order to foster proper eating habits that will help in the postoperative nutrition.
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