Piotr Kowalewski

ORCID: 0000-0003-4984-6739
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About
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Research Areas
  • Bariatric Surgery and Outcomes
  • Body Contouring and Surgery
  • Gastric Cancer Management and Outcomes
  • COVID-19 and healthcare impacts
  • Obesity and Health Practices
  • Cardiac, Anesthesia and Surgical Outcomes
  • Gastrointestinal disorders and treatments
  • Cardiovascular Disease and Adiposity
  • Global Health and Surgery
  • Global Healthcare and Medical Tourism
  • Pancreatitis Pathology and Treatment
  • Esophageal and GI Pathology
  • Hip and Femur Fractures
  • Colorectal Cancer Screening and Detection
  • Cardiac Health and Mental Health
  • Diet and metabolism studies
  • Minimally Invasive Surgical Techniques
  • Gallbladder and Bile Duct Disorders
  • Pancreatic and Hepatic Oncology Research
  • Gastroesophageal reflux and treatments
  • Frailty in Older Adults
  • Respiratory Support and Mechanisms
  • Hernia repair and management
  • Cardiovascular Health and Disease Prevention
  • Gastrointestinal Tumor Research and Treatment

Wojskowy Instytut Medycyny Lotniczej
2015-2024

University of Birmingham
2022-2024

National Institute for Health Research
2024

Jagiellonian University
2021-2023

Military Institute
2021

Institut de Virologie
2021

Wojskowy Instytut Medyczny
2020-2021

Central Clinical Hospital
2015

Dietrich Bonhoeffer Klinikum
2013-2014

Sleeve gastrectomy (LSG) is one of the most popular bariatric procedures. We present our long-term results regarding weight loss, comorbidities, and gastric reflux disease. identified patients who underwent LSG in institution between 2006 2009. revised data, with outdated contact details were tracked national health insurance database social media (facebook). Each was asked to complete an online or telephone survey covering, among others, their comorbidities. On that basis, we calculated...

10.1007/s11695-017-2795-2 article EN cc-by Obesity Surgery 2017-07-13

The increasing prevalence of bariatric surgery has resulted in a rise the number redo procedures as well. While demonstrated its effectiveness, there is still subset patients who may not derive any benefits from it. This poses significant challenge for surgeons, especially when lack clear guidelines. primary objective this study to evaluate outcomes underwent Re-Redo surgery. We conducted retrospective cohort on group 799 between 2010 and 2020. Among these patients, 20 individuals second...

10.1038/s41598-024-52817-7 article EN cc-by Scientific Reports 2024-02-01

Laparoscopic adjustable gastric banding (LAGB) is the third most popular bariatric procedure worldwide. Various authors present ambivalent long-term follow up results.We revised records of patients who underwent LAGB between 2003 and 2006 along with history additional check-ins. Patients outdated details were tracked national health insurance database social media (Facebook). An online survey was sent. The did not have their band removed included in this study. We calculated percent total...

10.1007/s11695-016-2435-2 article EN cc-by Obesity Surgery 2016-10-27

The prevalence of obesity is increasing according to the World Health Organization. Furthermore, global aging increasing, especially in developed countries Europe. Whether bariatric surgery should be performed elderly people still controversial.

10.5114/wiitm.2019.81450 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2019-02-26

As obesity has become a major health problem in Poland and bariatric procedures are the best way of treatment, an increasing trend been observed Polish surgery for last decade.

10.5114/wiitm.2018.77707 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2018-08-19

The advancement of minimal invasive techniques pushed the age limit for patients qualified bariatric surgery. aim study was to evaluate safety and effectiveness laparoscopic sleeve gastrectomy (LSG) in a cohort aged 60 years or more, compared with group matched controls below 40 old. medical records 856 were analyzed. Patients older identified as cases. Those controls. Cases closely (1:1) by body mass index (BMI) (± 1 kg/m2) presence absence hypertension diabetes mellitus. A 34 pairs...

10.1007/s11695-019-03830-7 article EN cc-by Obesity Surgery 2019-04-24

Laparoscopic Roux-en-Y gastric bypass (LRYGB) is a common, well-established procedure, but no consensus regarding selection of the gastrojejunostomy (GJ) technique has been reached, and standardization this precise far from being achieved.To compare circular-stapled linear-stapled GJ in LRYGB terms operative time postoperative complications.This retrospective case-control study compared perioperative outcomes with (LRYGB-CS) versus (LRYGB-LS) gastrojejunostomy. All patients, operated on two...

10.5114/wiitm.2017.66868 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-03-29

Our goal was to present the experience of bariatric surgeons with medical tourism on a global scale. An online-based survey sent worldwide regarding surgeon's country practice, number and types procedures performed, tourists treated, their countries origin, reasons for travel, follow-up, complications. Ninety-three responders performed 18,001 in 2017. Sixty-four those 93 operated foreign patients performing total 3740 operations them. The majority practice India (n = 11, 17%), Mexico 10,...

10.1007/s11695-019-04025-w article EN cc-by Obesity Surgery 2019-06-21

Abstract Introduction With continuously growing number of redo bariatric surgeries (RBS), it is necessary to look for factors determining success redo-surgeries. Patients and methods A retrospective cohort study analyzed consecutive patients who underwent RBS in 12 referral centers Poland from 2010 2020. The included 529 patients. efficacy endpoints were percentage excessive weight loss (%EWL) remission hypertension (HT) and/or type 2 diabetes (T2D). Results Group 1: regain Two hundred...

10.1007/s11695-022-06306-3 article EN cc-by Obesity Surgery 2022-10-15

Gastrointestinal stromal tumors (GISTs), originating from Cajal cells, are most commonly located in the stomach; therefore they can be found specimens excised during bariatric operations. The global prevalence of GISTs is about 130 cases per million population. Morbidity differs depending on geographical latitude. Although surgery treatment choice for GISTs, 40-50% patients after radical surgical will have a relapse or metastases.To analyze incidence undergoing and to verify whether an...

10.5114/wiitm.2017.70215 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-09-26

Background: Age is often related to the increase of perioperative complications and reoperation rates. The authors aimed determine influence age on outcomes most commonly performed bariatric procedures.Methods: retrospective study included patients qualified for primary Laparoscopic Sleeve Gastrectomy (LSG) or Roux-en-Y Gastric Bypass (LRYGB) in two academic hospitals. Patients were divided into groups: ≥50 (21.2–26.9%) <50 (57.6–73.1%) years old. Endpoints assessed patients' one-year...

10.1080/00015458.2018.1433797 article EN Acta Chirurgica Belgica 2018-02-04

Obesity in pregnant women increases the incidence of pregnancy-induced comorbidities and rate operative deliveries.

10.3390/jcm9051324 article EN Journal of Clinical Medicine 2020-05-02

The protective effect of physical activity on arteries is not limited to coronary vessels, but extends the whole arterial system, including arteries, in which endothelial dysfunction and atherosclerotic changes are one key factors affecting erectile development. objective this study was report whether endurance training intensity training-induced chronotropic response linked with a change men ischemic heart disease. A total 150 treated for disease, who suffered from dysfunction, were...

10.1177/1557988314544156 article EN American Journal of Men s Health 2014-07-30

Due to the constantly growing demand for surgical treatment of obesity, it is necessary create new bariatric centers and further improve presently active ones.To identify which stages conducting peri-operative care organizing a modern center currently pose greatest challenge.An anonymous survey was designed distributed surgeons. Our questionnaire divided into three parts: demographic characteristics, difficulties associated with patients (assessed on scale 1-5) organization or running in...

10.5114/wiitm.2019.81370 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2019-01-18

Laparoscopic adjustable gastric banding (LAGB) used to be one of the most popular bariatric procedures.To present our institution's experience with LAGB, its complications, causes failure and revisional procedures, in a long-term follow-up.Records patients who underwent pars flaccida LAGB from 2003 2006 were gathered. We selected data on history additional procedures. Their initial demographic data, body mass index revision analyzed length stay early perioperative complications.60% (n = 57)...

10.5114/wiitm.2017.66671 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-03-22

Obesity is a serious lifestyle disease with various comorbidities and an augmented risk of cancer. Laparoscopic sleeve gastrectomy (LSG) has recently become the most popular bariatric procedure worldwide. While cost-effectiveness major healthcare providers' concern, point histological exam each resected tissue may be questioned. We prospectively included patients who underwent LSG. Before surgery, gastroscopy abdominal sonography were performed to exclude malignancies. The gastric specimen...

10.1007/s11695-018-3485-4 article EN cc-by Obesity Surgery 2018-09-05

Obesity is one of the major lifestyle diseases and provokes various comorbidities, such as hypertension, type 2 diabetes mellitus, obstructive sleep apnea, even neoplasms. Bariatric surgery most effective treatment obesity. Since cost-effectiveness has become a concern, there tendency to avoid general histological evaluation surgical specimens during routine procedures.To evaluate necessity histopathological investigation tissue excised bariatric verify whether operation should be continued...

10.5114/wiitm.2017.67807 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-05-19

Abstract Background Adjustable gastric band (AGB) hadbeen the preferred treatment for morbid obesity because it is minimally invasive and reversible. But now seems to be slowly becoming a historic procedure due disappointing effects. The aim of study was systematize present available data on revisional bariatric surgery (RBS) after AGB among Polish patients. Methods It multicenter, retrospective analysis patients undergoing laparoscopic RBS in 12 centers. database included patient...

10.1186/s12893-023-02002-w article EN cc-by BMC Surgery 2023-04-20

Age is considered as a risk factor in bariatric surgery. The observation was made on the basis of results from studies where patients underwent different type surgery, but laparoscopic sleeve gastrectomy (LSG) not among them. It necessary to reevaluate association age with adverse events group after LSG.

10.5114/wiitm.2017.69129 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-07-20

Introduction: Bariatric procedures are becoming more popular worldwide. We present current situation of foreign patients treated by high-volume bariatric surgeons in Poland 2016. Material and Methods: sent an online survey to twenty surgeons. The questionnaire regarded asked for number types performed or supervised, patients, their qualification process, country origin, procedure, post-op recommendations. Results: received 9 surveys (45%). Five supervised from 100 300 procedures, 2 over 50...

10.5604/01.3001.0014.1289 article EN Polish Journal of Surgery 2020-05-04
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