Piotr Zarzycki

ORCID: 0000-0003-4975-0382
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Research Areas
  • Bariatric Surgery and Outcomes
  • Body Contouring and Surgery
  • Esophageal and GI Pathology
  • COVID-19 and healthcare impacts
  • Obesity and Health Practices
  • Colorectal Cancer Surgical Treatments
  • Gastric Cancer Management and Outcomes
  • Anorectal Disease Treatments and Outcomes
  • Cardiac, Anesthesia and Surgical Outcomes
  • Colorectal and Anal Carcinomas
  • Colorectal Cancer Screening and Detection
  • Global Health and Surgery
  • Gastroesophageal reflux and treatments
  • Toxic Organic Pollutants Impact
  • Adipose Tissue and Metabolism
  • Effects and risks of endocrine disrupting chemicals
  • Health, Work, and Social Studies in Poland
  • Education and Cultural Studies
  • Language and Culture
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Gastrointestinal disorders and treatments
  • Diet and metabolism studies
  • Enhanced Recovery After Surgery
  • Cardiovascular Disease and Adiposity

Jagiellonian University
2018-2024

Rishi Singhal Christian Ludwig Gavin Rudge Georgios V. Gkoutos Abd A. Tahrani and 95 more Kamal Mahawar Michał Pędziwiatr Piotr Major Piotr Zarzycki Athanasios Pantelis Dimitris P. Lapatsanis Georgios Stravodimos Chris Matthys Marc Focquet Wouter Vleeschouwers Antonio Spaventa Carlos Zerrweck Antonio Vitiello Giovanna Berardi Mario Musella Alberto Sanchez-Meza Felipe J. Cantu Fernando Mora Marco Cantù Abhishek Katakwar D. Nageshwar Reddy H Elmaleh Mohammad Mahmudul Hassan Abdelrahman Elghandour Mohey Elbanna Ahmed Osman Athar Khan Laurent Layani Nalini Kiran Andrey Velikorechin Maria Solovyeva Hamid Melali Shahab Shahabi Ashish Agrawal Apoorv Shrivastava Ankur Sharma Bhavya Narwaria Mahendra Narwaria Asnat Raziel Nasser Sakran Sergio Susmallian Levent Karagöz Murat Akbaba Salih Zeki Pişkin Ahmet Ziya Balta Zafer Şenol Emilio Manno Michele Iovino Ahmed Osman Mohamed Qassem Sebastián Arana-Garza Heitor P. Póvoas Marcos Leão Vilas-Bôas David N Naumann Jonathan Super Alan Li Basil J. Ammori Hany Balamoun Mohammed Salman Amrit Manik Nasta Ramen Goel Hugo Sánchez-Aguilar Miguel F. Herrera Adel Abou‐Mrad Lucie Cloix Guilherme Silva Mazzini Leonardo Kristem André Lázaro José Luis Campos Joaquín Bernardo Jesús Santos González Carlos Trindade Octávio Viveiros Rui Ribeiro David Goitein David Hazzan Lior Segev Tamar Beck Hernán Reyes Jerónimo Monterrubio Paulina García Marine Benois Radwan Kassir Alessandro Contine Moustafa Elshafei Sueleyman Aktas Sylvia Weiner Till Heidsieck Luis Level Silvia Piñango Patricia Martínez Ortega Rafael Moncada Víctor Valenti Ivan Vlahović Zdenko Boras

Abstract Background There are data on the safety of cancer surgery and efficacy preventive strategies prevention postoperative symptomatic COVID-19 in these patients. But there is little such for any elective surgery. The main objectives this study were to examine bariatric (BS) during coronavirus disease 2019 (COVID-19) pandemic determine perioperative protective rates. Methods We conducted an international cohort all-cause COVID-19-specific 30-day morbidity mortality BS performed between...

10.1007/s11695-021-05493-9 article EN cc-by Obesity Surgery 2021-07-30
Rishi Singhal Victor Roth Cardoso Tom Wiggins Jonathan Super Christian Ludwig and 95 more Georgios V. Gkoutos Kamal Mahawar Michał Pędziwiatr Piotr Major Piotr Zarzycki Athanasios Pantelis Dimitris P. Lapatsanis Georgios Stravodimos Chris Matthys Marc Focquet Wouter Vleeschouwers Antonio Spaventa Carlos Zerrweck Antonio Vitiello Giovanna Berardi Mario Musella Alberto Sanchez-Meza Felipe J. Cantu Fernando de Mora Marco Cantù Abhishek Katakwar D. Nageshwar Reddy H Elmaleh Mohammad Hassan Abdelrahman Elghandour Mohey Elbanna Ahmed Osman Athar Khan Laurent Layani Nalini Kiran Andrey Velikorechin Maria Solovyeva Hamid Melali Shahab Shahabi Ashish Agrawal Apoorv Shrivastava Ankur Sharma Bhavya Narwaria Mahendra Narwaria Asnat Raziel Nasser Sakran Sergio Susmallian Levent Karagöz Murat Akbaba Salih Zeki Pişkin Ahmet Ziya Balta Zafer Şenol Emilio Manno Michele Iovino Ahmed Osman Mohamed Qassem Sebastián Arana-Garza Heitor P. Póvoas Marcos Leão Vilas-Bôas David N Naumann Alan Li Basil J. Ammori Hany Balamoun M Salman Amrit Manik Nasta Ramen Goel Hugo Sánchez-Aguilar Miguel F. Herrera Adel Abou‐Mrad Lucie Cloix Guilherme Silva Mazzini Leonardo Kristem André Lázaro José Luis Campos Joaquín Bernardo Jesús Santos González Carlos Trindade Octávio Viveiros Rui Ribeiro David Goitein David Hazzan Lior Segev Tamar Beck Hernán Reyes Jerónimo Monterrubio Paulina García Marine Benois Radwan Kassir Alessandro Contine Moustafa Elshafei Sueleyman Aktas Sylvia Weiner Till Heidsieck Luis Level Silvia Piñango Patricia Martínez Ortega Rafael Moncada Víctor Valenti Ivan Vlahović Zdenko Boras

Abstract Background There is a paucity of data comparing 30-day morbidity and mortality sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), one anastomosis (OAGB). This study aimed to compare the safety SG, RYGB, OAGB in propensity score-matched cohorts. Materials methods analysis utilised collected from GENEVA which was multicentre observational cohort bariatric metabolic surgery (BMS) 185 centres across 42 countries between 01/05/2022 31/10/2020 during Coronavirus Disease-2019...

10.1038/s41366-021-01048-1 article EN cc-by International Journal of Obesity 2021-12-15

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

Revisional surgery is more technically challenging and associated with increased morbidity mortality. Nevertheless, the frequency of revisional bariatric (RBS) increasing. Therefore, investigating this group patients appears to be currently valid.The objective multicenter study was collect, systematize present available data on RBS after surgical treatment morbid obesity among Polish patients.This included a retrospective analysis prospectively maintained database. Outcomes an indications...

10.5114/wiitm.2022.114525 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2022-03-16

Aim of this study was to evaluate functional outcomes transanal total mesorectal excision (TaTME) in comparison conventional laparoscopic approach (LaTME) terms low anterior resection syndrome (LARS). Forty-six patients who underwent for rectal cancer between 2013 and 2017 were enrolled. Primary outcome the severity faecal incontinence, assessed both before treatment 6 months after ileostomy reversal. LARS score Jorge-Wexner scale utilized analyze its severity. Twenty (87%) from TaTME 21...

10.1186/s12893-019-0550-4 article EN cc-by BMC Surgery 2019-07-05

Polycyclic aromatic hydrocarbons (PAHs) are one of the most prevalent classes environmental pollutants. Some evidence shows that PAHs could be involved in human obesity. However, little is known about distribution patterns adipose tissue (AT) and role on adipogenesis/lipogenesis. The aims this pilot study were to determine concentrations 16 defined as high-priority pollutants plasma French Polish bariatric patients, well their correlation with body mass index (BMI), AT adipokines expression...

10.3390/ijms24021455 article EN International Journal of Molecular Sciences 2023-01-11

Despite the progress in treatment of colorectal cancer, there is still no optimal strategy for tumours located adjacent to anal sphincter. This study aims evaluate oncological and functional results surgery rectal cancer unfavourable locations proximity sphincters. Patients with which was either initially infiltrating sphincter or close sphincter, were included study. submitted extralevator abdominoperineal resection (APR), intersphincteric resection, transanal total mesorectal excision...

10.1186/s12957-018-1513-4 article EN cc-by World Journal of Surgical Oncology 2018-11-07

Initial reference search yielded 831 articles. After removing duplicates, 601 articles were evaluated through titles and abstracts. This produced 32 papers suitable for full-text review. Four excluded due to wrong study design, 3 because of the type intervention, 2 – lack primary outcome, 7 duplicates 11 conference abstracts only. Finally, we enrolled 1 RCT 4 comparative studies with a total 838 patients, 307 in LSG + HHR group 531 (Tab. I.) [5, 10–13]. The flowchart literature selection is...

10.5604/01.3001.0014.9356 article EN Polish Journal of Surgery 2021-06-18

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

Sleeve gastrectomy has become one of the most performed bariatric procedures. There is increasing evidence that sleeve patients suffer from gastroesophageal reflux disease and its sequelae such as erosive oesophagitis (EO) or Barret's oesophagus (BO).To evaluate incidence EO BO among with normal preoperative oesophagogastroduodenoscopy findings, who underwent gastrectomy, investigate factors may contribute to development after surgery.We conducted a single-centre longitudinal study included...

10.5114/wiitm.2021.107776 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2021-07-11

The ERAS (Enhanced Recovery after Surgery) protocol revolutionized perioperative care for gastrointestinal surgical procedures. However, little is known about the association between adherence to in gastric cancer surgery and oncological outcome.To explore relation outcome patients.We performed a retrospective analysis of prospectively collected database patients treated 2013 2016. All were perioperatively with 14-item protocol. Every patient underwent regular follow-up every 3 months years...

10.5114/wiitm.2020.92833 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2020-02-04
Rishi Singhal Islam Omar Brijesh Madhok Yashasvi Rajeev Yitka Graham and 95 more Abd A. Tahrani Christian Ludwig Tom Wiggins Kamal Mahawar Michał Pędziwiatr Piotr Major Piotr Zarzycki Athanasios Pantelis Dimitris P. Lapatsanis Georgios Stravodimos Chris Matthys Marc Focquet Wouter Vleeschouwers Antonio Spaventa Carlos Zerrweck Antonio Vitiello Giovanna Berardi Mario Musella Alberto Sanchez-Meza Felipe J. Cantu Fernando de Mora Marco Cantù Abhishek Katakwar D. Nageshwar Reddy H Elmaleh Mohammad Hassan Abdelrahman Elghandour Mohey Elbanna Ahmed Osman Athar Khan Laurent Layani Nalini Kiran Andrey Velikorechin Maria Solovyeva Hamid Melali Shahab Shahabi Ashish Agrawal Apoorv Shrivastava Ankur Sharma Bhavya Narwaria Mahendra Narwaria Asnat Raziel Nasser Sakran Sergio Susmallian Levent Karagöz Murat Akbaba Salih Zeki Pişkin Ahmet Ziya Balta Zafer Şenol Emilio Manno Michele Iovino Ahmed Osman Mohamed Qassem Sebastián Arana-Garza Heitor P. Póvoas Marcos Leão Vilas-Bôas Alan Li Basil J. Ammori Hany Balamoun Mohammed Salman Amrit Manik Nasta Ramen Goel Hugo Sánchez-Aguilar Miguel F. Herrera Adel Abou‐Mrad Lucie Cloix Guilherme Silva Mazzini Leonardo Kristem André Lázaro José Luis Campos Joaquín Bernardo Jesús Santos González Carlos Trindade Octávio Viveiros Rui Ribeiro David Goitein David Hazzan Lior Segev Tamar Beck Hernán Reyes Jerónimo Monterrubio Paulina García Marine Benois Radwan Kassir Alessandro Contine Moustafa Elshafei Sueleyman Aktas Sylvia Weiner Till Heidsieck Luis Level Silvia Piñango Patricia Martínez Ortega Rafael Moncada Víctor Valenti Ivan Vlahović

Abstract Background Age ≥ 65 years is regarded as a relative contraindication for bariatric surgery. Advanced age also recognised risk factor adverse outcomes with Coronavirus Disease-2019 (COVID-19) which continues to wreak havoc on global populations. This study aimed assess the safety of surgery (BS) in this particular group during COVID-19 pandemic comparison younger cohort. Methods We conducted prospective international patients who underwent BS between 1/05/2020 and 31/10/2020....

10.1007/s11695-022-06067-z article EN cc-by Obesity Surgery 2022-05-05
Rishi Singhal Islam Omar Brijesh Madhok Christian Ludwig Abd A. Tahrani and 95 more Kamal Mahawar Michał Pędziwiatr Piotr Major Piotr Zarzycki Athanasios Pantelis Dimitris P. Lapatsanis Georgios Stravodimos Chris Matthys Marc Focquet Wouter Vleeschouwers Antonio Spaventa Carlos Zerrweck Antonio Vitiello Giovanna Berardi Mario Musella Alberto Sanchez-Meza Felipe J. Cantu Fernando de Mora Marco Cantù Abhishek Katakwar D. Nageshwar Reddy H Elmaleh Mohammad Mahmudul Hassan Abdelrahman Elghandour Mohey Elbanna Ahmed Osman Athar Khan Laurent Layani Nalini Kiran Andrey Velikorechin Maria Solovyeva Hamid Melali Shahab Shahabi Ashish Agrawal Apoorv Shrivastava Ankur Sharma Bhavya Narwaria Mahendra Narwaria Asnat Raziel Nasser Sakran Sergio Susmallian Levent Karagöz Murat Akbaba Salih Zeki Pişkin Ahmet Ziya Balta Zafer Şenol Emilio Manno Michele Iovino Ahmed Osman Mohamed Qassem Sebastián Arana-Garza Heitor P. Póvoas Marcos Leão Vilas-Bôas Alan Li Basil J. Ammori Hany Balamoun M Salman Amrit Manik Nasta Ramen Goel Hugo Sánchez-Aguilar Miguel F. Herrera Adel Abou‐Mrad Lucie Cloix Guilherme Silva Mazzini Leonardo Kristem André Lázaro José Luis Campos Joaquín Bernardo Jesús Santos González Carlos Alberto Dolezel Trindade Octávio Viveiros Rui Ribeiro David Goitein David Hazzan Lior Segev Tamar Beck Hernán Reyes Jerónimo Monterrubio Paulina García Marine Benois Radwan Kassir Alessandro Contine Moustafa Elshafei Sueleyman Aktas Sylvia Weiner Till Heidsieck Luis Level Silvia Piñango Patricia Martínez Ortega Rafael Moncada Víctor Valenti Ivan Vlahović Zdenko Boras Arnaud Liagre F. De Martini

It has been suggested that patients with a Body Mass Index (BMI) of > 60 kg/m2 should be offered expedited Bariatric Surgery (BS) during the Coronavirus Disease-2019 (COVID-19) pandemic. The main objective this study was to assess safety approach. We conducted global who underwent BS between 1/05/2020 and 31/10/2020. Patients were divided into three groups according their preoperative BMI - Group I (BMI<50 kg/m2), II (BMI 50–60 III (BMI>60 kg/m2). effect on 30-day morbidity mortality,...

10.1016/j.orcp.2022.06.003 article EN cc-by Obesity Research & Clinical Practice 2022-05-01

Background and Objectives: Although the technical simplicity of laparoscopic sleeve gastrectomy is relatively well understood, many parts procedure differ according to bariatric surgeons. These variations may impact postoperative weight loss or treatment comorbidities lead qualification for redo procedures. Materials Methods: A multicenter, observational, retrospective study was conducted among patients undergoing revision Patients were divided into three groups based on indications...

10.3390/medicina59040799 article EN cc-by Medicina 2023-04-20

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

The constantly increasing prevalence of obesity in the population and lengthening life expectancy affect appearance problem pathological also elderly. At same time, an increase number bariatric procedures (also revisional) performed elderly patients is observed.

10.5114/wiitm.2023.133843 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2023-12-15

Abstract Introduction Metabolic/bariatric surgery is the only proven treatment for type 2 diabetes mellitus (T2D) with curative intent. However, in a number of patients, not effective or they may experience relapse. Those patients can be offered re-do bariatric (RBS). Purpose The study aimed to determine factors increasing odds T2D remission one year after RBS following primary laparoscopic sleeve gastrectomy. Methods A multicenter retrospective cohort was conducted between January 2010 and...

10.1007/s00423-023-03102-0 article EN cc-by Langenbeck s Archives of Surgery 2023-09-22
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