Hamid Melali

ORCID: 0000-0002-7976-9706
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Research Areas
  • Bariatric Surgery and Outcomes
  • Body Contouring and Surgery
  • Diet and metabolism studies
  • COVID-19 and healthcare impacts
  • Hernia repair and management
  • Abdominal Surgery and Complications
  • Liver Disease Diagnosis and Treatment
  • Gastric Cancer Management and Outcomes
  • Cardiovascular Disease and Adiposity
  • Esophageal and GI Pathology
  • Enhanced Recovery After Surgery
  • Migraine and Headache Studies
  • Nutrition and Health in Aging
  • COVID-19 Clinical Research Studies
  • Pelvic and Acetabular Injuries
  • Hyperglycemia and glycemic control in critically ill and hospitalized patients
  • Eicosanoids and Hypertension Pharmacology
  • Minimally Invasive Surgical Techniques
  • Esophageal Cancer Research and Treatment
  • Ophthalmology and Eye Disorders
  • Organ Transplantation Techniques and Outcomes
  • Tissue Engineering and Regenerative Medicine
  • Medical Device Sterilization and Disinfection
  • Neurological Complications and Syndromes
  • Gestational Diabetes Research and Management

Isfahan University of Medical Sciences
2013-2024

Islamic Azad University of Najafabad
2024

University of Isfahan
2022

South Tyneside and Sunderland NHS Foundation Trust
2020

Alzahra Medical and Education Center
2019

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 Valentí 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 Valentí 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 severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) presents clinical manifestations similar to the influenza, syndrome (SARS-CoV), and Middle East (MERS-CoV). However, in course of coronavirus disease 2019 (COVID-19), various pathological complications high significance have remained unknown. Impaired blood supply visceral vascular system can cause serious life-threatening damage. We report a case extensive mesenteric ischemia associated with SARS-CoV-2 infection confirmed...

10.34172/aim.2020.77 article EN cc-by Archives of Iranian Medicine 2020-09-01
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 Valentí 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 Valentí 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

Introduction . Obesity is among the newest health matters that human beings are struggling with. Length of bypassed intestine important in achievement most weight loss and least nutritional absorptive disorders. This study has aimed to assess short-term metabolic effects laparoscopic mini-gastric bypass/one anastomosis gastric bypass (MGB/OAGB) with a loop length 180 centimeters (cm) compare these factors patients body mass index (BMI) 40–45 45–50 kilograms per square meter (kg/m 2 )....

10.1155/2020/7572153 article EN cc-by Journal of Obesity 2020-03-12

More than one-half of people with diabetes need at least one surgery in their lifespan. Few studies have addressed how to manage the needs these patients after discharge from hospital. The present study is designed determine effect home care on readmission Type 2 diabetic who underwent surgical procedures.The was a randomized clinical trial. Sixty-nine undergoing were assigned intervention and control groups via blocking order selected educational hospitals Isfahan 2019. Home performed for 3...

10.4103/jehp.jehp_81_21 article EN cc-by-nc-sa Journal of Education and Health Promotion 2021-01-01

Port site infection (PSI) is a rare complication of laparoscopic surgery that can reduce the benefits this minimally invasive and increase postoperative complications. As variety disposable ports (single-use ports) reprocessed are used in surgeries, study was conducted to compare incidence PSI cholecystectomy (LC).In prospective cohort study, 473 patients were studied. Two hundred fifteen two fifty eight port group group, respectively. The demographic characteristics superficial deep...

10.1097/sle.0000000000001104 article EN Surgical Laparoscopy Endoscopy & Percutaneous Techniques 2022-09-29

The aim of the study is to explore risk factors mortality for hospitalized patients in three designated hospitals Isfahan province.This retrospective cohort was conducted on all positive coronavirus disease (COVID)-19 admitted Khorshid, Isabn Maryam, and Amin province. demographic, clinical, laboratory, outcome data who were died or discharged from February 24, 2020, April 18, extracted patient's medical records.Overall 1044 COVID-19 included this analysis. Based findings study, older age...

10.4103/abr.abr_86_21 article EN cc-by-nc-sa Advanced Biomedical Research 2022-01-01

Background: Various weight loss surgeries exist, with no absolute superiority; each has pros and cons. Due to rising bariatric globally, it's vital investigate comparisons between two-mini gastric bypass Roux-en-Y (RYGB), especially regarding their impact on liver function. Objectives: The purpose of this study was "draw the effects mini laparoscopic function at 6 months among patients morbid obesity." Methods: This cross-sectional included 90 surgery candidates (Body Mass Index (BMI) 35 -...

10.5812/hepatmon-141884 article EN Hepatitis Monthly 2024-06-10

The current study aims to investigate the superior mesh fixation method, single absorbable tacker versus conventional in patients undergoing bilateral inguinal hernia repair through laparoscopic total abdominal preperitoneal (TAPP) approach.

10.4103/jrms.jrms_161_23 article EN cc-by-nc-sa Journal of Research in Medical Sciences 2024-04-01

Small bowel length measurements and estimation have high clinical importance, especially in bariatric surgeries to prevent postoperation malnutrition. This study aimed investigate the possible correlation between demographic anthropometric factors with small length.This cross-sectional was performed on 150 patients that were candidates of abdominal surgeries. Anthropometric including age, gender, weight, height, body mass index, right wrist waist circumstance, hand 2nd 4th fingers finger...

10.4103/abr.abr_83_21 article EN cc-by-nc-sa Advanced Biomedical Research 2023-08-01

Background: The present study evaluated the effect of internal mesh fixation and external (inguinal hernia truss) on postoperative complications in patients with inguinal hernia. Materials Methods: This randomized clinical trial was performed 64 that were candidates for repair by laparoscopic method following totally extraperitoneal procedure. These randomly divided into two groups. In first group, fixed a maximum three absorbable tacks. second truss used as 6 weeks immediately after...

10.4103/abr.abr_140_21 article EN cc-by-nc-sa Advanced Biomedical Research 2022-01-01

Background and Objectives: Obesity is one of the most health-threatening phenomena. It estimated that over 1 billion adults have overweight or obesity. The current study aimed at presenting a detailed account findings attempted to predict severity fatty liver disease its sequelae, including non-alcoholic steatohepatitis (NASH), fibrosis, cirrhosis, by correlating biopsy results with function tests various metabolic markers laboratory in patients morbid Methods: A total 111 subjects...

10.5812/hepatmon.14088 article EN cc-by-nc Hepatitis Monthly 2017-11-05

Bariatric surgery is associated with significant risk reduction for obesity-related and hormone-mediated cancers; however, few studies report gastric or esophageal cancer development after bariatric surgery. This study evaluates the incidence of pre-cancerous mucosal lesions one year surgery.Eligible patients omega-loop bypass classic Roux-en-Y (RYGB) underwent upper endoscopy before procedure. Several biopsies were obtained from esophagogastric mucosa, all which evaluated by pathologists...

10.4103/abr.abr_148_22 article EN cc-by-nc-sa Advanced Biomedical Research 2023-05-01

Background: Obesity is a global health concern that has profound impact on multiple aspects of health, including cardiac morphology. Specifically, left ventricle morphology been shown to be affected by obesity, with an increase in mass and relative wall thickening as body-mass index increases. Aim: The aim this prospective longitudinal study was investigate the effects weight loss resulting from bariatric surgery QTc interval. Method: conducted between February 2020 March 2021 at Chamran...

10.2139/ssrn.4604829 preprint EN 2023-01-01
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