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Michal Robert Janik

Observed names: Janik M, M Janik, M. Janik, MICHAŁ R. JANIK, Michal Janik, Michal R Janik, Michal R. Janik, Michał Janik, Michał R Janik, Michał R. Janik, Michał Robert Janik
Observed institutions: Texas Tech University, Mayo Clinic, University Hospitals of Cleveland, Yorkshire Cancer Research, University Hospitals Cleveland Medical Center, Bowel Disease Research Foundation, Wojskowy Instytut Medycyny Lotniczej, Bowel and Cancer Research, Wojskowy Instytut Medyczny, Sarcoma UK, Szpital Specjalistyczny im. F. Ceynowy, British Gynaecological Cancer Society, Association of Upper Gastrointestinal Surgery of Great Britain and Ireland, European Society of Coloproctology, Case Western Reserve University, University of Birmingham, Texas Tech University Health Sciences Center
ORCID: 0000-0002-5524-5932
Observed ORCID: 0000-0002-5524-5932
OpenAlex ID: A5036447583
Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study
2018 · Aneel Bhangu, Adesoji O Ademuyiwa, et al. · The Lancet Infectious Diseases · 518
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Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study
2021 · James Glasbey, Adesoji Ademuyiwa, et al. · The Lancet Oncology · 295
Long-Term Outcomes of Laparoscopic Sleeve Gastrectomy—a Single-Center, Retrospective Study
2017 · Piotr K. Kowalewski, Robert Olszewski, et al. · Obesity Surgery · 95
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Pooled analysis of WHO Surgical Safety Checklist use and mortality after emergency laparotomy
2019 · GlobalSurg Collaborative, Hannah S Thomas, et al. · British journal of surgery · 87
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Does Robotic Roux-en-Y Gastric Bypass Provide Outcome Advantages over Standard Laparoscopic Approaches?
2018 · Tomasz Rogula, Marijan Koprivanac, et al. · Obesity Surgery · 84
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Quality of Life and Bariatric Surgery: Cross-Sectional Study and Analysis of Factors Influencing Outcome
2016 · Michał Robert Janik, Tomasz Rogula, et al. · Obesity Surgery · 78
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Outcomes of gynecologic cancer surgery during the COVID-19 pandemic: an international, multicenter, prospective CovidSurg-Gynecologic Oncology Cancer study
2022 · Christina Fotopoulou, Tabassum Khan, et al. · American Journal of Obstetrics and Gynecology · 63
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Safety of laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass in elderly patients – analysis of the MBSAQIP
2018 · Michał R. Janik, Rami R. Mustafa, et al. · Surgery for Obesity and Related Diseases · 63
Female Sexual Function Before and After Bariatric Surgery: a Cross-Sectional Study and Review of Literature
2015 · Michał Robert Janik, Ilona Bielecka, et al. · Obesity Surgery · 59
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Safety of same-day discharge after laparoscopic sleeve gastrectomy: propensity score–matched analysis of the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program Registry
2020 · Amir H. Aryaie, Vamsi Reddy, et al. · Surgery for Obesity and Related Diseases · 57
Present status of bariatric surgery in Poland.
2016 · Michał R Janik, Edward Stanowski, et al. · Videosurgery and Other Miniinvasive Techniques · 57
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Effectiveness and Safety of Roux-en-Y Gastric Bypass in Elderly Patients—Systematic Review and Meta-analysis
2018 · Paweł Marczuk, Michał J. Kubisa, et al. · Obesity Surgery · 53
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Safety of Revision Sleeve Gastrectomy Compared to Roux-Y Gastric Bypass After Failed Gastric Banding
2017 · Michał R. Janik, Tomasz G. Rogula, et al. · Annals of Surgery · 53
Prediction Model for Hemorrhagic Complications after Laparoscopic Sleeve Gastrectomy: Development of SLEEVE BLEED Calculator
2016 · Michal R. Janik, Maciej Walędziak, et al. · Obesity Surgery · 52
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The Safety and Benefits of Laparoscopic Sleeve Gastrectomy in Elderly Patients: a Case-Control Study
2019 · Katarzyna Bartosiak, Anna Różańska-Walędziak, et al. · Obesity Surgery · 41
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Present trends in bariatric surgery in Poland.
2018 · Maciej Walędziak, Anna M Różańska-Walędziak, et al. · Videosurgery and Other Miniinvasive Techniques · 41
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Outcomes of sleeve gastrectomy in patients older than 60 years: a multicenter matched case-control study.
2019 · Natalia Dowgiałło-Wnukiewicz, Michal R Janik, et al. · Videosurgery and Other Miniinvasive Techniques · 37
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Current Practice of Global Bariatric Tourism—Survey-Based Study
2019 · Piotr K. Kowalewski, Tomasz G. Rogula, et al. · Obesity Surgery · 36
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Comparison of circular- and linear-stapled gastrojejunostomy in laparoscopic Roux-en-Y gastric bypass: a multicenter study.
2017 · Piotr Major, Michał R Janik, et al. · Videosurgery and Other Miniinvasive Techniques · 36
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Five-Year Analysis of the MBSAQIP Database: Are We Getting Better?
2022 · Benjamin Clapp, Michal R Janik, et al. · Journal of the American College of Surgeons · 34
Safety of concurrent sleeve gastrectomy and hiatal hernia repair: a propensity score–matched analysis of the MBSAQIP registry
2019 · Michał R. Janik, Christopher Ibikunle, et al. · Surgery for Obesity and Related Diseases · 27
The effect of smoking on bariatric surgical 30-day outcomes: propensity-score-matched analysis of the MBSAQIP
2020 · Michał R. Janik, Amir H. Aryaie · Surgical Endoscopy · 25
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Global variation in anastomosis and end colostomy formation following left‐sided colorectal resection
2019 · GlobalSurg Collaborative, Writing group, et al. · BJS Open · 24
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Impact of age on postoperative outcomes in bariatric surgery
2018 · Piotr Major, Michał Wysocki, et al. · Acta chirurgica Belgica · 22
Global economic burden of unmet surgical need for appendicitis
2022 · Anna Reuter, Lisa Rogge, et al. · British journal of surgery · 21
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Works count: 87
Citation count: 2,355
H-index: 23
I10-index: 43
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