0000000000977580

AUTHOR

I. Mohamed

showing 7 related works from this author

The impact of conversion on the risk of major complication following laparoscopic colonic surgery: an international, multicentre prospective audit.

2018

BACKGROUND: Laparoscopy has now been implemented as a standard of care for elective colonic resection around the world. During the adoption period, studies showed that conversion may be detrimental to patients, with poorer outcomes than both laparoscopic completed or planned open surgery. The primary aim of this study was to determine whether laparoscopic conversion was associated with a higher major complication rate than planned open surgery in contemporary, international practice.METHODS: Combined analysis of the European Society of Coloproctology 2017 and 2015 audits. Patients were included if they underwent elective resection of a colonic segment from the caecum to the rectosigmoid jun…

Laparoscopic surgeryMaleColorectal cancermedicine.medical_treatmentsurgery0302 clinical medicinePostoperative ComplicationsMedicineMajor complicationProspective StudiesLaparoscopySHORT-TERM OUTCOMESColectomyMedical Auditmedicine.diagnostic_testProspective auditGastroenterologyMiddle Agedlaparoscopic surgeryConversion to Open SurgeryColon cancerTreatment OutcomeElective Surgical Procedures030220 oncology & carcinogenesis030211 gastroenterology & hepatologyFemaleColonic surgeryAdultmedicine.medical_specialtyCLINICAL-TRIALNOOPEN COLECTOMY03 medical and health sciencesCOLORECTAL SURGERYCase mix indexgastrointestinal surgeryHumansrectal cancerRECTAL-CANCERAgedta3126business.industryElective resectionmedicine.diseaseRANDOMIZED-TRIALOPEN RESECTIONSurgeryColon cancer; gastrointestinal surgery; laparoscopic surgery; rectal cancer; surgery; GastroenterologyLaparoscopybusinessColorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
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SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study

2021

Abstract Background Preoperative SARS-CoV-2 vaccination could support safer elective surgery. Vaccine numbers are limited so this study aimed to inform their prioritization by modelling. Methods The primary outcome was the number needed to vaccinate (NNV) to prevent one COVID-19-related death in 1 year. NNVs were based on postoperative SARS-CoV-2 rates and mortality in an international cohort study (surgical patients), and community SARS-CoV-2 incidence and case fatality data (general population). NNV estimates were stratified by age (18–49, 50–69, 70 or more years) and type of surgery. Best- and worst-case scenarios were used to describe uncertainty. Results NNVs were more favourable in su…

MaleCOVID-19 Vaccinesafe surgery; vaccination modelling; COVID-19Vascular damage Radboud Institute for Health Sciences [Radboudumc 16]MULTICENTERComorbidity030230 surgery0302 clinical medicinephase 3 clinical trial (topic)Case fatality rateProspective StudiesSARS-CoV-2 Vaccination Safe surgeryCOVID-19/epidemiologySARS-CoV-2 ; vaccination ; safe surgeryeducation.field_of_studycase fatality rateVaccinationVaccinationAdolescent; Adult; Aged; COVID-19; COVID-19 Vaccines; Comorbidity; Elective Surgical Procedures; Female; Humans; Male; Middle Aged; Postoperative Complications; Preoperative Period; Prospective Studies; SARS-CoV-2; Vaccination; Young Adulthealth care policyElective Surgical Procedures030220 oncology & carcinogenesisvaccination modellingPreoperative PeriodCOVID-19; SARS-CoV-2; cancer; vaccination; outcome; mortality; infection; modellingCohort studyprospective studyHumanmedicine.medical_specialtyArticle03 medical and health sciencesSARS-CoV-2 vaccinationSDG 3 - Good Health and Well-beingCOVID-19 Vaccines/pharmacologyHumansVaccination/methodsElective surgeryeducationAgedScience & TechnologyElective Surgical Procedureadult; aged; Article; cancer grading; cancer surgery; case fatality rate; computer assisted tomography; elective surgery; female; follow up; health care policy; human; incidence; infection rate; infection risk; major clinical study; male; middle aged; mortality; outcome assessment; phase 3 clinical trial (topic); preoperative care; prospective study; sensitivity analysis; seroprevalence; Severe acute respiratory syndrome coronavirus 2; vaccination; young adult; COVID-19; COVID-19 Vaccines; Comorbidity; Elective Surgical Procedures; Postoperative Complications; Preoperative Period; SARS-CoV-2; Vaccination; surgery.Cura preoperatòriamajor clinical studymortalityinfectionProspective StudieincidenceSurgeryHuman medicinePostoperative Complication610 Medizin und GesundheitAcademicSubjects/MED00910Settore MED/18 - CHIRURGIA GENERALESettore MED/29 - CHIRURGIA MAXILLOFACCIALEcomputer assisted tomographyESTUDOS PROSPECTIVOSsurgerysafe surgeryPostoperative Complicationssensitivity analysisSevere acute respiratory syndrome coronavirus 2preoperative careVacunacióProspective cohort studyseroprevalenceIncidence (epidemiology)covidElective Surgical Procedures/methodsMiddle Agedcancer gradingCOVID vaccinationoutcome/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_beingSARS-CoV-2; vaccination; surgeryOriginal ArticleFemalecancer surgeryAcademicSubjects/MED00010Life Sciences & BiomedicineAdultCOVID-19 VaccinesAdolescentinternational prospective cohort studyPostoperative Complications/prevention & controlPopulationinfection rateSARS-CoV-2/immunologyNOmodellingYoung Adultmedicinefollow upcancerddc:610infection riskoutcome assessmentLS7_4business.industrySARS-CoV-2Number needed to vaccinatePreoperative careCOVID-193126 Surgery anesthesiology intensive care radiologySettore MED/18Reconstructive and regenerative medicine Radboud Institute for Health Sciences [Radboudumc 10]elective surgeryEmergency medicinebusiness[SDV.MHEP]Life Sciences [q-bio]/Human health and pathologyThe British Journal of Surgery
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Evaluation of appendicitis risk prediction models in adults with suspected appendicitis.

2019

Background Appendicitis is the most common general surgical emergency worldwide, but its diagnosis remains challenging. The aim of this study was to determine whether existing risk prediction models can reliably identify patients presenting to hospital in the UK with acute right iliac fossa (RIF) pain who are at low risk of appendicitis. Methods A systematic search was completed to identify all existing appendicitis risk prediction models. Models were validated using UK data from an international prospective cohort study that captured consecutive patients aged 16–45 years presenting to hospital with acute RIF in March to June 2017. The main outcome was best achievable model specificity (pro…

AdulthumanosDecision MakingRisk AssessmentNOapendicectomíaapendicitisevaluación de riesgosAppendectomyHumanshospitalGeneralcollaborativeLS7_4right iliac fossa; appendicitis; collaborativeemergency serviceOriginal Articlesadultoright iliac fossaAppendicitisadult; appendectomy; appendicitis; humans; risk assessment; decision making; emergency service; hospitalLower GIOriginal Articleappendicitis prediction models right iliac fossa painEmergency Service Hospitaltoma de decisiónThe British journal of surgery
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Early outcomes and complications following cardiac surgery in patients testing positive for coronavirus disease 2019: An international cohort study

2021

The outbreak of severe acute respiratory syndromecoronavirus-2, the cause of coronavirus disease 2019 (COVID-19) in December 2019 represented a global emergency accounting for more than 2.5 million deaths worldwide.1 It has had an unprecedented influence on cardiac surgery internationally, resulting in cautious delivery of surgery and restructuring of services.2 Understanding the influence of COVID-19 on patients after cardiac surgery is based on assumptions from other surgical specialties and single-center studies. The COVIDSurg Collaborative conducted a multicenter cohort study, including 1128 patients, across 235 hospitals, from 24 countries demonstrating perioperative COVID-19 infection…

Pulmonary and Respiratory MedicineMale2019-20 coronavirus outbreakmedicine.medical_specialtyCoronavirus disease 2019 (COVID-19)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)complication.ArticleNOCohort Studiesoutcomes; complications; following cardiac surgery; coronavirus disease 2019Postoperative ComplicationsCardiovascular Diseases; Cohort Studies; Female; Humans; Male; Middle Aged; SARS-CoV-2; COVID-19; Cardiac Surgical Procedures; Postoperative ComplicationsInternal medicineCardiovascular DiseasemedicineCardiac Surgical ProcedureHumansIn patientCardiac Surgical ProceduresLS7_4business.industrySARS-CoV-2COVID-19Middle AgedCardiac surgeryCardiovascular DiseasesoutcomeSurgeryFemaleCohort StudieCardiology and Cardiovascular Medicinebusinesscardiac surgery[SDV.MHEP]Life Sciences [q-bio]/Human health and pathologyCohort studyHuman
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Evaluating the incidence of pathological complete response in current international rectal cancer practice: the barriers to widespread safe deferral …

2018

INTRODUCTION: The mainstay of management for locally advanced rectal cancer is chemoradiotherapy followed by surgical resection. Following chemoradiotherapy, a complete response may be detected clinically and radiologically (cCR) prior to surgery or pathologically after surgery (pCR). We aim to report the overall complete pathological response (pCR) rate and the reliability of detecting a cCR by conventional pre-operative imaging.METHODS: A pre-planned analysis of the European Society of Coloproctology (ESCP) 2017 audit was performed. Patients treated by elective rectal resection were included. A pCR was defined as a ypT0 N0 EMVI negative primary tumour; a partial response represented any r…

MaleColorectal cancerdeferral of surgery; neoadjuvant therapy; pathology; radiology; rectal cancer; Rectal surgery; surgical oncology; Gastroenterology0302 clinical medicineProspective StudiesProspective cohort studyComplete responseMedical Auditintegumentary systemIncidence (epidemiology)IncidenceRemission InductionGastroenterologyMiddle AgedMagnetic Resonance ImagingPeer reviewEuropeTreatment Outcomedeferral of surgeryResponse Evaluation Criteria in Solid Tumors030220 oncology & carcinogenesisPreoperative Period030211 gastroenterology & hepatologyFemaleAdultmedicine.medical_specialtyRectal surgeryNO03 medical and health sciencessurgical oncologymedicineHumansneoadjuvant therapyIntensive care medicineDeferralrectal cancerPathologicalResponse Evaluation Criteria in Solid TumorsAgedNeoplasm Stagingta3126business.industryRectal NeoplasmsReproducibility of ResultsChemoradiotherapy Adjuvantmedicine.diseaseradiologyRectal Neoplasms/diagnostic imagingpathologyNeoplasm Staging/methodsbusiness
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An international multicentre prospective audit of elective rectal cancer surgery; operative approach versus outcome, including transanal total mesore…

2018

Introduction: Transanal total mesorectal excision (TaTME) has rapidly emerged as a novel approach for rectal cancer surgery. Safety profiles are still emerging and more comparative data is urgently needed. This study aimed to compare indications and short-term outcomes of TaTME, open, laparoscopic, and robotic TME internationally. Methods: A pre-planned analysis of the European Society of Coloproctology (ESCP) 2017 audit was performed. Patients undergoing elective total mesorectal excision (TME) for malignancy between 1 January 2017 and 15 March 2017 by any operative approach were included. The primary outcome measure was anastomotic leak. Results: Of 2579 included patients, 76.2% (1966/257…

MaleLaparoscopic surgerymedicine.medical_specialtyColorectal cancermedicine.medical_treatmentOperative TimeAnastomosisMalignancyrectal cancer ; laparoscopic surgery ; TME ; transanal TME ; TaTME ; robotic surgery ; randomized clinical-trial ; short-term outcomes ; laparoscopic-assisted resection ; pathological outcomes ; anastomotic leakage ; initial-experience ; riskNO03 medical and health sciencesPostoperative Complications0302 clinical medicineRobotic Surgical Proceduresrobotic surgerytransanal TMEHumansMedicineRobotic surgeryProspective Studieslaparoscopic surgery; Rectal cancer; robotic surgery; TaTME; TME; transanal TME; GastroenterologyRectal cancerAgedTransanal Endoscopic Surgeryta3126Medical AuditUnivariate analysisProctectomyRectal Neoplasmsbusiness.industryRectumGastroenterologyTMEMargins of ExcisionMiddle Agedmedicine.diseaseTotal mesorectal excisionTaTMElaparoscopic surgerySurgeryTreatment OutcomeElective Surgical Procedures030220 oncology & carcinogenesisRectal cancer surgeryFemaleLaparoscopy030211 gastroenterology & hepatologybusiness
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Gastrointestinal symptoms and association with medication use patterns, adherence, treatment satisfaction, quality of life, and resource use in osteo…

2016

The Medication Use Patterns, Treatment Satisfaction, and Inadequate Control of Osteoporosis Study (MUSIC-OS) is a prospective, observational study of women with osteoporosis in Europe and Canada. At baseline, patients with gastrointestinal symptoms reported lower adherence to osteoporosis treatment, treatment satisfaction, and health-related quality of life, than those without gastrointestinal symptoms. INTRODUCTION: The aim of the study was to examine gastrointestinal (GI) symptoms and the association between GI symptoms and treatment adherence, treatment satisfaction, and health-related quality of life (HRQoL) among osteoporotic women in Europe and Canada. METHODS: Baseline results are re…

Gastrointestinal DiseasesEndocrinology Diabetes and MetabolismHealth-related quality of lifeOsteoporosisFRACTURE RISKRISEDRONATE0302 clinical medicineEndocrinologyQuality of lifeBack pain030212 general & internal medicineProspective StudiesHEALTH PLANProspective cohort studyALENDRONATEOsteoporosis PostmenopausalPOPULATIONeducation.field_of_studyBone Density Conservation AgentsDiphosphonatesBISPHOSPHONATE THERAPYSettore MED/34 - Medicina Fisica E RiabilitativaTRACT SAFETYBisphosphonatesMiddle AgedEuropeDiabetes and MetabolismPOSTMENOPAUSAL WOMENPatient SatisfactionHealth ResourcesFemaleOriginal ArticlePostmenopausalmedicine.symptomBisphosphonates; Gastrointestinal; Health-related quality of life; Osteoporosis; Postmenopausal; Treatment satisfaction; Aged; Bone Density Conservation Agents; Canada; Diphosphonates; Europe; Female; Gastrointestinal Diseases; Health Resources; Humans; Medication Adherence; Middle Aged; Osteoporosis Postmenopausal; Patient Satisfaction; Prospective Studies; Psychometrics; Quality of Life; Endocrinology Diabetes and Metabolismmedicine.medical_specialtyCanadaGastrointestinalPsychometricsPopulation030209 endocrinology & metabolismNOMedication Adherence03 medical and health sciencesInternal medicinemedicineHumanseducationBisphosphonates; Gastrointestinal; Health-related quality of life; Osteoporosis; Postmenopausal; Treatment satisfaction; Aged; Bone Density Conservation Agents; Canada; Diphosphonates; Europe; Female; Gastrointestinal Diseases; Health Resources; Humans; Medication Adherence; Middle Aged; Osteoporosis Postmenopausal; Patient Satisfaction; Prospective Studies; Psychometrics; Quality of LifeAgedTreatment satisfactionbusiness.industryPERSISTENCEbisphosphonates gastrointestyinal osteoporosis postmenopausal treatment satisfactionBisphosphonates; Gastrointestinal; Health-related quality of life; Osteoporosis; Postmenopausal; Treatment satisfactionmedicine.diseaseRheumatologyCLINICAL-PRACTICEOrthopedic surgeryQuality of LifeOsteoporosisObservational studybusinessBisphosphonates; Gastrointestinal; Health-related quality of life; Osteoporosis; Postmenopausal; Treatment satisfaction; Endocrinology Diabetes and Metabolism
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