Valerio Celentano

Valerio Celentano
Chelsea and Westminster Hospital NHS Foundation Trust

MD, FRCS

About

130
Publications
26,749
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2,106
Citations
Additional affiliations
April 2016 - December 2016
University College London Hospitals NHS Foundation Trust
Position
  • Fellow

Publications

Publications (130)
Article
Full-text available
Aim: Robotic surgery is being adopted in colorectal departments worldwide. This study reports real-word outcomes data from a single centre where multiple surgeons transitioned from laparoscopic to colorectal resections using the DaVinci system. Method: Retrospective data collection first robotic colorectal resection since its adoption into a terti...
Article
Full-text available
Complications of ileoanal pouch surgery affecting function and quality of life may require surgical correction or pouch excision. The management of patients with pouch dysfunction requires a multidisciplinary approach and demand for service provision include multiple healthcare professionals and resources. The aim of this study is to present the se...
Article
Familial adenomatous polyposis (FAP) is a well-described inherited syndrome, which presents with thousands of adenomas. Polyps appear in childhood or adolescence. Colectomy is the treatment of choice to prevent colorectal cancer. Decision on the timing for colectomy should be determined by polyp burden and characteristics of colonic adenomas in the...
Preprint
Full-text available
Purpose Crohn’s disease (CD) patients may require recurrent surgeries due to the chronic and relapsing nature of the disease. Despite its technical challenges, minimally invasive surgery (MIS) offers potential benefits such as early recovery and reduced morbidity. This study aims to investigate the rate and risk factors of conversion from minimally...
Article
Background Crohn’s disease (CD) affecting the upper gastrointestinal (GI) tract is a rare condition, leading to a scarcity of information regarding its diagnosis, surgical treatment, and adjuvant therapy. The JUICE study aimed to conduct a surgical audit of duodeno-jejuno-ileal CD across 11 European IBD Referral Centres. Methods The study included...
Article
Multidisciplinary management of patients with an ileoanal pouch requires dedicated imaging to identify structural problems of the pouch associated with dysfunction. The purpose of this study is to provide a framework for interpretation of magnetic resonance imaging (MRI) scan of the ileoanal pouch to enable surgeons and radiologists to work cohesiv...
Article
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Introduction Many pouch complications following ileoanal pouch surgery have an inflammatory or mechanical nature, and specialist colorectal surgeons are required to assess the anatomy of the ileoanal pouch in multiple settings. In this study, we report our stepwise clinical and endoscopic assessment of the patient with an ileoanal pouch. Methods T...
Article
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Background/Aims Crohn’s disease is an inflammatory bowel disease with up to 50 per cent of patients requiring surgery within 10 years of diagnosis. Patient-reported outcome measures (PROMs) are vital to monitor and assess patient health-related quality of life (HRQoL). This systematic review aims to evaluate PROMs within studies for perioperative C...
Article
Objective: To summarize frequency, type, and heterogeneity of Patient Reported Outcomes Measures (PROMs) in papers reporting on outcomes after Ileal Pouch Anal Anastomosis (IPAA). Background: Prevalence of Ulcerative Colitis (UC) has risen in Western Countries, and 1 in 3 patients requires surgery. IPAA is a frequently performed procedures for U...
Article
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Aim: Appropriate patient selection, surgical technique, and follow-up pathways can provide optimal functional outcomes and good quality of life in many patients undergoing ileoanal pouch surgery. The aim of this study was to demonstrate the standardised approach to ileoanal pouch formation that we have developed in our pouch surgery centre. Metho...
Article
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Background Management of spontaneous intra-abdominal abscess in patients with Crohn’s disease (IAA) with radiologically guided percutaneous drainage (PD) was debated. Method This is a secondary analysis from a multi-centre, retrospective cohort study of all the patients with CD who underwent PD followed by surgery at 19 international tertiary cent...
Preprint
Full-text available
Background: Complications of ileoanal pouch surgery affecting function and quality of life may require surgical correction or pouch excision. The management of patients with pouch dysfunction requires a multidisciplinary approach and demand for service provisions include multiple healthcare professionals and resources. The aim of this study is to p...
Article
Background This study aimed to compare the short- and long-term outcomes of robotic (RRC-IA) versus laparoscopic (LRC-IA) right colectomy with intracorporeal anastomosis using a propensity score matching (PSM) analysis based on a large European multicentric cohort of patients with nonmetastatic right colon cancer.Methods Elective curative-intent RR...
Article
Introduction: Intraoperative rectal perforation is an uncommon complication of pelvic surgery, which can be life-threatening and often leads to high morbidity and stoma formation rate. Purpose: No consensus has been reached regarding a standard of care for intraoperative iatrogenic pelvic injury. This article presents a technique for a stapled r...
Article
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Background Following ileal pouch-anal anastomosis (IPAA) for ulcerative colitis (UC), up to 16% of patients develop Crohn’s disease of the pouch (CDP) which is a major cause of pouch failure. This systematic review and meta-analysis aimed to identify preoperative characteristics and risk factors for CDP development following IPAA. Methods A litera...
Article
Background Patients with ileocolic Crohn’s disease may require surgery resulting in temporary stoma formation. The impact on quality of life and morbidity related to stomas is well recognised and timely reversal should be targeted to alleviate this affect. This study aims to determine the proportion of stomas reversed, the timing and reasons for no...
Article
Background: The risk of conversion to open surgery is inevitably present during any minimally invasive colorectal surgical procedure. Conversions have been associated with adverse postoperative and oncologic outcomes. No previous study has evaluated the specific causes and consequences of conversion during a minimally invasive right colectomy (MIS-...
Article
Background Restorative proctocolectomy with ileal pouch–anal anastomosis (IPAA) is the gold standard procedure for ulcerative colitis refractory to medical treatment, as an alternative to permanent end ileostomy. Gaining experience in pouch surgery is difficult as the procedure is performed infrequently. This study presents an institutional initiat...
Article
Background Diabetes Mellitus (DM) may occur in IBD and influence the disease progression. Aim To compare disease course and treatment outcomes in IBD patients with and without DM. Methods This is a systematic review with meta-analysis comparing patients with IBD plus DM with patients with IBD only. Primary endpoints: need for surgery, IBD-related...
Article
Objectif La chirurgie minimale-invasive est couramment utilisée pour la résection du cancer du côlon droit. Cette étude a pour objectif de comparer les résultats à court et à long terme de la colectomie droite avec anastomose intracorporelle robotique (RRC-IA) vs laparoscopique (LRC-IA). Méthodes Sur la base de données européenne du Minimally inva...
Article
Full-text available
Background: There are reported variations in the intraoperative management of Crohn's disease. The aim of this consensus statement is to develop a standardised protocol for photographic documentation of intraoperative findings and critical procedural steps in ileocolonic Crohn's disease surgery. Methods: Colorectal surgeons with a specialist int...
Article
Full-text available
Surgery for ileocolonic Crohn’s disease can result in temporary or permanent stoma formation which can be associated with morbidity as parastomal and incisional hernias, readmissions due to obstruction or high stoma output, and have a negative impact on quality of life. We propose an international retrospective trainee-led study of the outcomes of...
Article
Introduction: Inguinal hernia repair is one of the most commonly performed surgical procedures in general surgery. Despite surgical advances, recurrence and chronic pain are still major issues after this intervention. Aim of our study was to retrospectively assess and compare outcomes of robotic versus laparoscopic repair of recurrent inguinal hern...
Article
Background The extent of resection in colonic Crohn’s disease (cCD) is still a topic of debate, depending on the number of locations, the risk of recurrence and permanent stoma, and the role of medical therapy. Methods The Segmental COlecTomy for CroHn’s disease (SCOTCH) international study is a retrospective analysis on six tertiary centres prosp...
Article
Emergency subtotal colectomy is the standard treatment for acute severe ulcerative colitis (ASUC) unresponsive to medical treatment. No guidelines are available about surgical technique. The aim of the current survey was to identify the attitudes of Inflammatory Bowel Disease (IBD) surgeons concerning colectomy in patients with ASUC by means of a n...
Article
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Introduction Intra-abdominal abscesses complicating Crohn’s disease (CD) present an additional challenge as their presence can contraindicate immunosuppressive treatment whilst emergency surgery is associated with high stoma rate and complications. Treatment options include a conservative approach, percutaneous drainage, and surgical intervention....
Article
Background Ileoanal pouch related fistulae (PRF) are a complication of restorative proctocolectomy often requiring repeated surgical interventions and with a high risk of long-term recurrence and pouch failure. Aims To assess the incidence of PRF and to report on the outcomes of available surgical treatments. Methods A PRISMA-compliant systematic...
Article
Purpose: The optimal approach for minimally invasive (MIS) right colectomy remains under debate. This study aimed to describe surgical trends in the treatment of nonmetastatic right colon cancer and to identify predictors of short-term surgical outcomes. Methods: A retrospective multicenter cohort study of Minimally-invasivE surgery for oncologi...
Article
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Background Previous studies suggested a role for segmental colectomy (SC) and total colectomy (TC) for colonic Crohn’s disease (cCD). TC might reduce recurrence rates, at the cost of impaired quality of life and higher stoma rates. We compared the long-term outcomes of SC and TC. Methods This is an international, multicentric study on data from th...
Article
Background Ileal pouch anal anastomosis is a complex procedure associated with significant morbidity, with several complications after ileal pouch anal anastomosis surgery leading to pouch failure. The aim of the study is to evaluate the heterogeneity surrounding the technique of ileoanal J-pouch surgery by assessing the safety and quality of publi...
Article
Background Enhanced Recovery After Surgery [ERAS] is widely adopted in patients undergoing colorectal surgery, with demonstrated benefits. Few studies have assessed the feasibility, safety, and effectiveness of ERAS in patients with inflammatory bowel diseases [IBD]. The aim of this study was to investigate the current adoption and outcomes of ERAS...
Article
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Background In patients with active Crohn’s disease (CD), treatment of intra-abdominal abscess usually comprises antibiotics and radiologically guided percutaneous drainage (PD) preceding surgery. The aim of this study was to investigate the risk of postoperative complications and identify the optimal time interval for surgical intervention after PD...
Article
But Comparer les résultats postopératoires des patients opérés d’une maladie inflammatoire chronique de l’intestin (MICI) pendant l’épidémie de coronavirus-19 (COVID-19) dans des hôpitaux avec (HC19) ou sans patients COVID-19 (HSC19). Méthodes Étude rétrospective dans 7 centres européens (six HC19 et un HSC19) pendant le premier pic de COVID-19. L...
Article
Résumé But de l’étude Cette étude multicentrique européenne a pour objectif de comparer les résultats de la cœlioscopie versus la laparotomie réalisées pour la résection de carcinomes angulaires coliques gauches (CACG). Patients et méthodes Des patients présentant un CACG et nécessitant une chirurgie curative par cœlioscopie (COELIO) ou laparotom...
Conference Paper
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Background Little is known regarding the outcomes of inflammatory bowel disease (IBD) patients who required surgery during the outbreak of Coronavirus disease 19 (COVID-19). This study aimed to compare outcomes of IBD patients undergoing surgery in COVID-19-treatment and COVID-19-free hospitals. Methods Retrospective study involving patients under...
Article
Aim of the study This European multicenter study aims to compare the results of laparoscopic versus laparotomy approach for the resection of splenic flexure colon carcinoma (SFC). Patients and methods Patients with SFC who required curative resection by laparoscopy (LAP) or laparotomy (OPEN) between 2000 and 2018 were included. Three types of inte...
Article
Outcomes of inflammatory bowel disease (IBD) patients requiring surgery during the outbreak of Coronavirus disease 19 (COVID-19) are unknown. Aim of this study was to analyse the outcomes depending on the COVID-19 status of the centre. Patients undergoing surgery in six COVID-19 treatment and one COVID-free hospitals (five countries) during the fir...
Article
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Bile duct injury (BDI) is a dangerous complication of cholecystectomy, with significant postoperative sequelae for the patient in terms of morbidity, mortality, and long-term quality of life. BDIs have an estimated incidence of 0.4–1.5%, but considering the number of cholecystectomies performed worldwide, mostly by laparoscopy, surgeons must be pre...
Article
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Aim The different surgical options for patients with colonic Crohn’s disease (CD) include segmental colectomy, subtotal colectomy or proctocolectomy with end ileostomy. We present a national, multicentre study, promoted by the Italian Society of Colorectal Surgery with the aim to collect benchmark data and national variations on multidisciplinary m...
Article
Background Severe endometriosis with rectal involvement requires careful pre‐operative investigation and planning. Methodical history taking and pre‐operative discussion with the patient is key to establishing their wishes, aims, and expected outcomes of treatment options. Even with extensive prior investigation, the optimal surgical management can...
Article
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Background Despite the current therapeutic options for the treatment of inflammatory bowel disease, surgery is still frequently required in the emergency setting, although the number of cases performed seems to have decreased in recent years. The World Society of Emergency Surgery decided to debate in a consensus conference of experts, the main per...
Article
Full-text available
Background The European Association for Endoscopic Surgery (EAES) strives to be a leader in promoting the development and expansion of minimally invasive surgery (MIS). Part of the association’s mission statement is “to become an information hub for all practitioners of MIS”. It is therefore important that the education segment of the association c...
Article
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Background: The effectiveness of surgical treatment for splenic flexure carcinomas (SFCs) in emergency settings remains unexplored. This study aims to compare the perioperative and long-term outcomes of different alternatives for emergency SFC resection. Method: This multicenter retrospective study was based on the SFC Study Group database. For...
Article
collaboration Abstract Purpose. The primary aim of the study was to review the existing literature about patient-reported outcome measures (PROMs) in colorectal cancer and IBD. The secondary aim was to present a road map to develop a core outcome set via opinion gathering using social media. Method. This study is the first step of a three-step proj...
Article
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A Correction to this paper has been published: https://doi.org/10.1007/s00423-021-02119-7
Article
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Background Assessment of the entire small bowel is advocated during Crohn’s disease (CD) surgery, as intraoperative detection of new lesions may lead to change in the planned procedure. The aim of this study was to evaluate the inter-observer variability in the assessment of extent and severity of CD at the small bowel laparoscopic “walkthrough”.Me...
Article
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IntroductionThere has been a constant increase in the number of published surgical videos with preference for open-access sources, but the proportion of videos undergoing peer-review prior to publication has markedly decreased, raising questions over quality of the educational content presented. The aim of this study was the development and validat...
Article
Background Coronavirus disease 2019 is revolutionizing healthcare delivery. The aim of this study was to reach a consensus among experts as to the possible applications of telemedicine in the proctologic field. Methods A group of 55 clinical practice recommendations was developed by a clinical guidance group based on coalescence of evidence and ex...
Article
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Introduction To explore the reported variability in the surgical management of ileocolonic Crohn’ s disease and identify areas of standard practice, we present this study which aims to assess how different colorectal surgeons with a subspecialty interest in inflammatory bowel disease (IBD) surgery may act in different clinical scenarios of ileocolo...
Article
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Background The surgical resection of the splenic flexure carcinoma (SFC) is challenging and the optimal surgical procedure for SFCs remains a matter of debate. The present study aimed to compare in a multicenter European sample of patients the short- and long-term outcomes of extended right (ERC) vs. left (LC) vs. segmental left colectomy (SLC) for...
Article
Full-text available
Background 80% of individuals with cancer will require a surgical procedure, yet little comparative data exist on early outcomes in low-income and middle-income countries (LMICs). We compared postoperative outcomes in breast, colorectal, and gastric cancer surgery in hospitals worldwide, focusing on the effect of disease stage and complications on...
Article
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p>Background: 80% of individuals with cancer will require a surgical procedure, yet little comparative data exist on early outcomes in low-income and middle-income countries (LMICs). We compared postoperative outcomes in breast, colorectal, and gastric cancer surgery in hospitals worldwide, focusing on the effect of disease stage and complications...
Article
A limited ileocaecal resection is the most frequently performed procedure for ileocaecal CD and different anastomotic configurations and techniques have been described. This manuscript audited the different anastomotic techniques used in a national study and evaluated their influence on postoperative outcomes following ileocaecal resection for prim...
Article
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Introduction Single-incision laparoscopic surgery (SILS) aims to minimize the surgical access trauma by reducing the number of abdominal incisions to a single site, potentially offering better cosmetic results and decreased postoperative pain. In this study, we compare the results of SILS ileocolic resection for Crohn’s disease (CD) to conventional...
Article
Full-text available
Erectile dysfunction (ED) is one of the main functional complications of surgical resections of the rectum due to rectal cancers or inflammatory bowel disease (IBD). The present systematic review aimed at revising ED management strategies applied after rectal resections and their efficacy in terms of improvement of the International Index of Erecti...
Article
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Aim Crohn's disease (CD) requires a multidisciplinary approach and surgery should be undertaken by dedicated colorectal surgeons with audited outcomes. We present a national, multicentre study, with the aim to collect benchmark data on key performance indicators in CD surgery, to highlight areas where standards of CD surgery excel and to facilitate...
Article
Background: Surgical strategies are being adapted to face the COVID-19 pandemic. Recommendations on the management of acute appendicitis have been based on expert opinion, but very little evidence is available. This study addressed that dearth with a snapshot of worldwide approaches to appendicitis. Methods: The Association of Italian Surgeons i...
Article
Introduction La résection de l’angle colique gauche reste difficile et la chirurgie idéale débattue. L’objectif est d’évaluer les résultats à court et long terme de l’hémicolectomie droite élargie (HCD) versus hémicolectomie gauche (HCG) versus colectomie angulaire gauche (CAG) pour carcinome angulaire gauche sur une cohorte multicentrique européen...
Article
Introduction: To study patients' acceptability of an outpatient flexible sigmoidoscopy (FS) protocol and to assess the diagnostic value of endoscopic assessment in patients with deep endometriosis (DE). Methods: All patients with DE and suspected bowel involvement diagnosed were reviewed in the colorectal outpatient clinic before elective surger...
Article
Full-text available
Background Intraoperative assessment of the extent and location of Crohn’s disease is not standardised and relies on a mixture of surgeons’ experience, tactile feedback and macroscopic appearance. To overcome this variability, we developed a protocol for full intraoperative ultrasound scan of the small bowel and we here report the results of “Asses...
Article
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The affiliation of the author Silvio Danese has been incorrectly published in the original publication. The complete correct affiliation should read as follows.
Article
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Measurement of the psoas muscle area has been applied to estimate lean muscle mass as a surrogate marker of sarcopenia, but there is a paucity of evidence regarding the influence of sarcopenia on clinical outcomes following inflammatory bowel disease surgery. The aim of this study was to evaluate the association between MRI enterography defined sar...
Article
A systematic and structured ultrasound scan (USS) evaluation of the entire small bowel is feasible intraoperatively during ileocolic Crohn’s disease (CD) surgery as we have previously reported [1]. Our video demonstrates the ultrasound assessment performed via a 4 cm midline laparotomy used for specimen extraction, extracorporeal control of the mes...
Article
The Italian Society of Colorectal Surgery (SICCR) promoted the project reported here, which consists of a position statement of Italian colorectal surgeons to address the surgical aspects of Crohn's disease management. Members of the society were invited to express their opinions on several items proposed by the writing committee, based on evidence...
Article
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The swift endorsement of the robotic surgical platform indicates that it might prevail as the preferred technique for many complex abdominal and pelvic operations. Nonetheless, use of the surgical robotic system introduces further layers of complexity into the operating theatre necessitating new training models. Instructive videos with relevant exp...
Article
The Italian Society of Colorectal Surgery (SICCR) promoted the project reported here, which consists of a Position Statement of Italian colorectal surgeons to address the surgical aspects of ulcerative colitis management. Members of the society were invited to express their opinions on several items proposed by the writing committee, based on evide...
Article
Introduction: Multiple imaging modalities are often required for the relapsing nature of Crohn disease (CD). Computed tomography (CT) offers a rapid acquisition of images and shows high specificity and sensitivity. However, CT imaging exposes to a higher dose of ionizing radiation than other abdominal imaging modalities. The aim of this study was...
Article
The Italian Society of Colorectal Surgery (SICCR) promoted the project reported here, which consists of a Position Statement of Italian colorectal surgeons to address the surgical aspects of inflammatory bowel disease management. Members of the society were invited to express their opinions on several items proposed by the writing committee, based...
Article
Full-text available
Aim Bowel resection in Crohn's disease still has a high rate of complications due to risk factors including immune suppression, malnutrition and active inflammation or infection at the time of operating. In this study, we use serological levels and inflammatory markers to predict the potential of complications in patients undergoing resections for...
Article
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Background Repeated intestinal resections may have disabling consequences in patients with Crohn’s disease even in the absence of short bowel syndrome. Our aim was to evaluate the length of resected small bowel in patients undergoing elective and emergency surgery for ileocolic Crohn’s disease. Methods A prospective observational study was conduct...
Article
Introduction: Erectile function (EF) outcomes after radical pelvic surgery vary widely among different studies, partly as a consequence of heterogeneity with regard to the data assessment and reporting methodology. Aim: Review the methodology of data assessment and reporting of studies evaluating EF outcomes after radical prostatectomy (RP), rad...