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Hollemans RA, Bakker OJ, Boermeester MA, Bollen TL, Bosscha K, Bruno MJ, Buskens E, Dejong CH, van Duijvendijk P, van Eijck CH, Fockens P, van Goor H, van Grevenstein WM, van der Harst E, Heisterkamp J, Hesselink EJ, Hofker S, Houdijk AP, Karsten T, Kruyt PM, van Laarhoven CJ, Laméris JS, van Leeuwen MS, Manusama ER, Molenaar IQ, Nieuwenhuijs VB, van Ramshorst B, Roos D, Rosman C, Schaapherder AF, van der Schelling GP, Timmer R, Verdonk RC, de Wit RJ, Gooszen HG, Besselink MG, van Santvoort HC. Superiority of Step-up Approach vs Open Necrosectomy in Long-term Follow-up of Patients With Necrotizing Pancreatitis. Gastroenterology 2019; 156:1016-1026. [PMID: 30391468 DOI: 10.1053/j.gastro.2018.10.045] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/10/2018] [Accepted: 10/27/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS In a 2010 randomized trial (the PANTER trial), a surgical step-up approach for infected necrotizing pancreatitis was found to reduce the composite endpoint of death or major complications compared with open necrosectomy; 35% of patients were successfully treated with simple catheter drainage only. There is concern, however, that minimally invasive treatment increases the need for reinterventions for residual peripancreatic necrotic collections and other complications during the long term. We therefore performed a long-term follow-up study. METHODS We reevaluated all the 73 patients (of the 88 patients randomly assigned to groups) who were still alive after the index admission, at a mean 86 months (±11 months) of follow-up. We collected data on all clinical and health care resource utilization endpoints through this follow-up period. The primary endpoint was death or major complications (the same as for the PANTER trial). We also measured exocrine insufficiency, quality of life (using the Short Form-36 and EuroQol 5 dimensions forms), and Izbicki pain scores. RESULTS From index admission to long-term follow-up, 19 patients (44%) died or had major complications in the step-up group compared with 33 patients (73%) in the open-necrosectomy group (P = .005). Significantly lower proportions of patients in the step-up group had incisional hernias (23% vs 53%; P = .004), pancreatic exocrine insufficiency (29% vs 56%; P = .03), or endocrine insufficiency (40% vs 64%; P = .05). There were no significant differences between groups in proportions of patients requiring additional drainage procedures (11% vs 13%; P = .99) or pancreatic surgery (11% vs 5%; P = .43), or in recurrent acute pancreatitis, chronic pancreatitis, Izbicki pain scores, or medical costs. Quality of life increased during follow-up without a significant difference between groups. CONCLUSIONS In an analysis of long-term outcomes of trial participants, we found the step-up approach for necrotizing pancreatitis to be superior to open necrosectomy, without increased risk of reinterventions.
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Affiliation(s)
- Robbert A Hollemans
- Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands; Department of Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Olaf J Bakker
- Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Marja A Boermeester
- Department of Surgery, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Thomas L Bollen
- Department of Radiology, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Koop Bosscha
- Department of Surgery, Jeroen Bosch Hospital, Den Bosch, the Netherlands
| | - Marco J Bruno
- Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Erik Buskens
- Department of Epidemiology, University Medical Center Groningen, and Faculty of Economics and Business, University of Groningen, Groningen, the Netherlands
| | - Cornelis H Dejong
- Department of Surgery, Maastricht University Medical Center, Maastricht, the Netherlands and Department of Surgery, Universitätsklinikum Aachen, Aachen, Germany
| | | | - Casper H van Eijck
- Deptartment of Surgery, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Paul Fockens
- Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Harry van Goor
- Department of Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | | | | | - Joos Heisterkamp
- Department of Surgery, Elisabeth-Tweesteden Hospital, Tilburg, the Netherlands
| | - Eric J Hesselink
- Department of Surgery, Gelre Hospital, Apeldoorn, the Netherlands
| | - Sijbrand Hofker
- Department of Surgery, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Tom Karsten
- Department of Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands
| | - Philip M Kruyt
- Department of Surgery, Hospital Gelderse Vallei, Ede, the Netherlands
| | | | - Johan S Laméris
- Department of Radiology, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Maarten S van Leeuwen
- Department of Radiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Eric R Manusama
- Department of Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | - I Quintus Molenaar
- Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - Bert van Ramshorst
- Department of Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Daphne Roos
- Department of Surgery, Reinier de Graaf Hospital, Delft, the Netherlands
| | - Camiel Rosman
- Department of Surgery, Canisius Wilhelmina Hospital, Nijmegen, the Netherlands
| | | | | | - Robin Timmer
- Department of Gastroenterology and Hepatology, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Robert C Verdonk
- Department of Gastroenterology and Hepatology, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Ralph J de Wit
- Department of Surgery, Medical Spectrum Twente, Enschede, the Netherlands
| | - Hein G Gooszen
- Department of Operating Rooms-Evidence Based Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Marc G Besselink
- Department of Surgery, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Hjalmar C van Santvoort
- Department of Surgery, University Medical Center Utrecht, Utrecht, the Netherlands; Department of Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands.
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van Brunschot S, van Grinsven J, van Santvoort HC, Bakker OJ, Besselink MG, Boermeester MA, Bollen TL, Bosscha K, Bouwense SA, Bruno MJ, Cappendijk VC, Consten EC, Dejong CH, van Eijck CH, Erkelens WG, van Goor H, van Grevenstein WMU, Haveman JW, Hofker SH, Jansen JM, Laméris JS, van Lienden KP, Meijssen MA, Mulder CJ, Nieuwenhuijs VB, Poley JW, Quispel R, de Ridder RJ, Römkens TE, Scheepers JJ, Schepers NJ, Schwartz MP, Seerden T, Spanier BWM, Straathof JWA, Strijker M, Timmer R, Venneman NG, Vleggaar FP, Voermans RP, Witteman BJ, Gooszen HG, Dijkgraaf MG, Fockens P. Endoscopic or surgical step-up approach for infected necrotising pancreatitis: a multicentre randomised trial. Lancet 2018; 391:51-58. [PMID: 29108721 DOI: 10.1016/s0140-6736(17)32404-2] [Citation(s) in RCA: 395] [Impact Index Per Article: 65.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 06/19/2017] [Accepted: 08/02/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Infected necrotising pancreatitis is a potentially lethal disease and an indication for invasive intervention. The surgical step-up approach is the standard treatment. A promising alternative is the endoscopic step-up approach. We compared both approaches to see whether the endoscopic step-up approach was superior to the surgical step-up approach in terms of clinical and economic outcomes. METHODS In this multicentre, randomised, superiority trial, we recruited adult patients with infected necrotising pancreatitis and an indication for invasive intervention from 19 hospitals in the Netherlands. Patients were randomly assigned to either the endoscopic or the surgical step-up approach. The endoscopic approach consisted of endoscopic ultrasound-guided transluminal drainage followed, if necessary, by endoscopic necrosectomy. The surgical approach consisted of percutaneous catheter drainage followed, if necessary, by video-assisted retroperitoneal debridement. The primary endpoint was a composite of major complications or death during 6-month follow-up. Analyses were by intention to treat. This trial is registered with the ISRCTN registry, number ISRCTN09186711. FINDINGS Between Sept 20, 2011, and Jan 29, 2015, we screened 418 patients with pancreatic or extrapancreatic necrosis, of which 98 patients were enrolled and randomly assigned to the endoscopic step-up approach (n=51) or the surgical step-up approach (n=47). The primary endpoint occurred in 22 (43%) of 51 patients in the endoscopy group and in 21 (45%) of 47 patients in the surgery group (risk ratio [RR] 0·97, 95% CI 0·62-1·51; p=0·88). Mortality did not differ between groups (nine [18%] patients in the endoscopy group vs six [13%] patients in the surgery group; RR 1·38, 95% CI 0·53-3·59, p=0·50), nor did any of the major complications included in the primary endpoint. INTERPRETATION In patients with infected necrotising pancreatitis, the endoscopic step-up approach was not superior to the surgical step-up approach in reducing major complications or death. The rate of pancreatic fistulas and length of hospital stay were lower in the endoscopy group. The outcome of this trial will probably result in a shift to the endoscopic step-up approach as treatment preference. FUNDING The Dutch Digestive Disease Foundation, Fonds NutsOhra, and the Netherlands Organization for Health Research and Development.
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Affiliation(s)
- Sandra van Brunschot
- Department of Gastroenterology and Hepatology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands.
| | - Janneke van Grinsven
- Department of Gastroenterology and Hepatology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands; Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Hjalmar C van Santvoort
- Department of Surgery, St Antonius Hospital, Nieuwegein, Netherlands; Department of Surgery, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Olaf J Bakker
- Department of Surgery, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Marc G Besselink
- Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Marja A Boermeester
- Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Thomas L Bollen
- Department of Radiology, St Antonius Hospital, Nieuwegein, Netherlands
| | - Koop Bosscha
- Department of Surgery, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Stefan A Bouwense
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Marco J Bruno
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Centre, Rotterdam, Netherlands
| | | | - Esther C Consten
- Department of Surgery, Meander Medical Centre, Amersfoort, Netherlands
| | - Cornelis H Dejong
- Department of Surgery and NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Casper H van Eijck
- Department of Surgery, Erasmus MC, University Medical Centre, Rotterdam, Netherlands
| | | | - Harry van Goor
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | | | - Jan-Willem Haveman
- Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Sijbrand H Hofker
- Department of Surgery, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Jeroen M Jansen
- Department of Gastroenterology, Onze Lieve Vrouwe Gasthuis, Amsterdam, Netherlands
| | - Johan S Laméris
- Department of Radiology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Krijn P van Lienden
- Department of Radiology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | | | - Chris J Mulder
- Department of Gastroenterology, VU Medical Centre, Amsterdam, Netherlands
| | | | - Jan-Werner Poley
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Centre, Rotterdam, Netherlands
| | - Rutger Quispel
- Department of Gastroenterology, Reinier de Graaf Group, Delft, Netherlands
| | - Rogier J de Ridder
- Department of Gastroenterology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Tessa E Römkens
- Department of Gastroenterology, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | | | - Nicolien J Schepers
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Centre, Rotterdam, Netherlands
| | - Matthijs P Schwartz
- Department of Gastroenterology, Meander Medical Centre, Amersfoort, Netherlands
| | - Tom Seerden
- Department of Gastroenterology, Amphia Hospital, Breda, Netherlands
| | | | | | - Marin Strijker
- Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Robin Timmer
- Department of Gastroenterology, St Antonius Hospital, Nieuwegein, Netherlands
| | - Niels G Venneman
- Department of Gastroenterology, Medisch Spectrum Twente, Enschede, Netherlands
| | - Frank P Vleggaar
- Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Rogier P Voermans
- Department of Gastroenterology and Hepatology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Ben J Witteman
- Department of Gastroenterology, Hospital Gelderse Vallei, Ede, Netherlands
| | - Hein G Gooszen
- Department of OR/Evidence Based Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Marcel G Dijkgraaf
- Clinical Research Unit, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Paul Fockens
- Department of Gastroenterology and Hepatology, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
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Kint JF, van den Bergh JE, van Gelder RE, Rauws EA, Gouma DJ, van Delden OM, Laméris JS. Percutaneous treatment of common bile duct stones: results and complications in 110 consecutive patients. Dig Surg 2015; 32:9-15. [PMID: 25613598 DOI: 10.1159/000370129] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 11/24/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIMS Choledocholithiasis is a common complication of cholecystolithiasis, occurring in 15-20% of patients who have gallbladder stones. Endoscopic retrograde cholangio-pancreatography is the standard treatment. When this is not possible or not feasible, percutaneous transhepatic stone removal is an alternative treatment. In this retrospective study, we analyze 110 patients who were treated with percutaneous transhepatic removal of Common Bile Duct (CBD) stones. PATIENTS AND METHODS Between March 1998 and September 2013 110 patients (61 men, 49 women; aged 14-96, mean age 69.7 years) with confirmed bile duct stones were included. PTC was done using ultrasound and fluoroscopy. Balloon dilatation of the papilla was done with 8-12 mm balloons. If stone size exceeded 10 mm, mechanical lithotripsy was performed. Stones were then removed by percutaneous extraction or evacuation into the duodenum. RESULTS In 104 patients (104/110; 94.5%) total stone clearance of the CBD was achieved. A total of 12 complications occurred (10.9%), graded with the Clavien-Dindo scale as IVa, IVb, and V, respectively; hypoxia requiring resuscitation, sepsis and death due to ongoing cholangiosepsis (n = 1, 4, 1). Minor complications I, II, and IIIa included: small liver abscess, pleural empyema, transient hemobilia and mild fever (n = 1, 1, 2, 2). CONCLUSION Percutaneous removal of CBD stones is an effective alternative treatment, when endoscopic treatment is contra-indicated, fails or is not feasible. It is effective, has a low complication rate and using deep sedation potentially requires only a very limited number of treatment sessions.
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Affiliation(s)
- Johan F Kint
- Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
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4
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Janssen JJ, van Delden OM, van Lienden KP, Rauws EAJ, Busch ORC, van Gulik TM, Gouma DJ, Laméris JS. Percutaneous balloon dilatation and long-term drainage as treatment of anastomotic and nonanastomotic benign biliary strictures. Cardiovasc Intervent Radiol 2014; 37:1559-67. [PMID: 24452320 DOI: 10.1007/s00270-014-0836-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 12/27/2013] [Indexed: 01/15/2023]
Abstract
PURPOSE This study was designed to determine the effectiveness of percutaneous balloon dilation and long-term drainage of postoperative benign biliary strictures. METHODS Medical records of patients with postoperative benign biliary strictures, in whom percutaneous transhepatic biliary drainage (PTBD) and balloon dilation was performed between January 1999 and December 2011, were retrospectively reviewed. PTBD and balloon dilation (4-10 mm) were followed by placement of internal-external biliary drainage catheters (8.5-12 F). Patients were scheduled for elective tube changes, if necessary combined with repeated balloon dilation of the stenosis, at 3-week intervals up to a minimum of 3 months. RESULTS Ninety-eight patients received a total of 134 treatments. The treatment was considered technically successful in 98.5%. Drainage catheters were left in with a median duration of 14 weeks. Complications occurred in 11 patients. In 13 patients, percutaneous treatment was converted to surgical intervention. Of 85 patients in whom percutaneous treatment was completed, 11.8% developed clinically relevant restenosis. Median follow-up was 35 months. Probability of patency at 1, 2, 5, and 10 years was 0.95, 0.92, 0.88, and 0.72, respectively. Overall, 76.5% had successful management with PTBD. Restenosis and treatment failure occurred more often in patients who underwent multiple treatments. Treatments failed more often in patients with multiple strictures. All blood markers of liver function significantly decreased to normal values. CONCLUSIONS Percutaneous balloon dilation and long-term drainage demonstrate good short- and long-term effectiveness as treatment for postoperative benign biliary strictures with an acceptably low complication rate and therefore are indicated as treatment of choice.
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Affiliation(s)
- Jan Jaap Janssen
- Department of Radiology, Room G1-212, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands,
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Sieswerda-Hoogendoorn T, Robben SGF, Karst WA, Moesker FM, van Aalderen WM, Laméris JS, van Rijn RR. Abusive head trauma: differentiation between impact and non-impact cases based on neuroimaging findings and skeletal surveys. Eur J Radiol 2013; 83:584-8. [PMID: 24360233 DOI: 10.1016/j.ejrad.2013.11.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 11/22/2013] [Accepted: 11/26/2013] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To determine whether imaging findings can be used to differentiate between impact and non-impact head trauma in a group of fatal and non-fatal abusive head trauma (AHT) victims. METHODS We included all AHT cases in the Netherlands in the period 2005-2012 for which a forensic report was written for a court of law, and for which imaging was available for reassessment. Neuroradiological and musculoskeletal findings were scored by an experienced paediatric radiologist. RESULTS We identified 124 AHT cases; data for 104 cases (84%) were available for radiological reassessment. The AHT victims with a skull fracture had fewer hypoxic ischaemic injuries than AHT victims without a skull fracture (p=0.03), but the relative difference was small (33% vs. 57%). There were no significant differences in neuroradiological and musculoskeletal findings between impact and non-impact head trauma cases if the distinction between impact and non-impact head trauma was based on visible head injuries, as determined by clinical examination, as well as on the presence of skull fractures. CONCLUSIONS Neuroradiological and skeletal findings cannot discriminate between impact and non-impact head trauma in abusive head trauma victims.
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Affiliation(s)
- T Sieswerda-Hoogendoorn
- Department of Forensic Medicine, Netherlands Forensic Institute, The Hague, The Netherlands; Department of Radiology, Academic Medical Center/Emma Children's Hospital, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
| | - S G F Robben
- Maastricht University Medical Center, P.O. Box 5800, 6202 AZ Maastricht, The Netherlands.
| | - W A Karst
- Department of Forensic Medicine, Netherlands Forensic Institute, P.O. Box 24044, 2490 AA The Hague, The Netherlands.
| | - F M Moesker
- Faculty of Medicine, Academic Medical Center, Amsterdam, The Netherlands.
| | - W M van Aalderen
- Department of Paediatrics, Academic Medical Center/Emma Children's Hospital, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
| | - J S Laméris
- Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
| | - R R van Rijn
- Department of Forensic Medicine, Netherlands Forensic Institute, The Hague, The Netherlands; Department of Radiology, Academic Medical Center/Emma Children's Hospital, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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van Brunschot S, van Grinsven J, Voermans RP, Bakker OJ, Besselink MGH, Boermeester MA, Bollen TL, Bosscha K, Bouwense SA, Bruno MJ, Cappendijk VC, Consten EC, Dejong CH, Dijkgraaf MGW, van Eijck CH, Erkelens GW, van Goor H, Hadithi M, Haveman JW, Hofker SH, Jansen JJM, Laméris JS, van Lienden KP, Manusama ER, Meijssen MA, Mulder CJ, Nieuwenhuis VB, Poley JW, de Ridder RJ, Rosman C, Schaapherder AF, Scheepers JJ, Schoon EJ, Seerden T, Spanier BWM, Straathof JWA, Timmer R, Venneman NG, Vleggaar FP, Witteman BJ, Gooszen HG, van Santvoort HC, Fockens P. Transluminal endoscopic step-up approach versus minimally invasive surgical step-up approach in patients with infected necrotising pancreatitis (TENSION trial): design and rationale of a randomised controlled multicenter trial [ISRCTN09186711]. BMC Gastroenterol 2013; 13:161. [PMID: 24274589 PMCID: PMC4222267 DOI: 10.1186/1471-230x-13-161] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 11/13/2013] [Indexed: 02/06/2023] Open
Abstract
Background Infected necrotising pancreatitis is a potentially lethal disease that nearly always requires intervention. Traditionally, primary open necrosectomy has been the treatment of choice. In recent years, the surgical step-up approach, consisting of percutaneous catheter drainage followed, if necessary, by (minimally invasive) surgical necrosectomy has become the standard of care. A promising minimally invasive alternative is the endoscopic transluminal step-up approach. This approach consists of endoscopic transluminal drainage followed, if necessary, by endoscopic transluminal necrosectomy. We hypothesise that the less invasive endoscopic step-up approach is superior to the surgical step-up approach in terms of clinical and economic outcomes. Methods/Design The TENSION trial is a randomised controlled, parallel-group superiority multicenter trial. Patients with (suspected) infected necrotising pancreatitis with an indication for intervention and in whom both treatment modalities are deemed possible, will be randomised to either an endoscopic transluminal or a surgical step-up approach. During a 4 year study period, 98 patients will be enrolled from 24 hospitals of the Dutch Pancreatitis Study Group. The primary endpoint is a composite of death and major complications within 6 months following randomisation. Secondary endpoints include complications such as pancreaticocutaneous fistula, exocrine or endocrine pancreatic insufficiency, need for additional radiological, endoscopic or surgical intervention, the need for necrosectomy after drainage, the number of (re-)interventions, quality of life, and total direct and indirect costs. Discussion The TENSION trial will answer the question whether an endoscopic step-up approach reduces the combined primary endpoint of death and major complications, as well as hospital stay and related costs compared with a surgical step-up approach in patients with infected necrotising pancreatitis.
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Affiliation(s)
- Sandra van Brunschot
- Department of Gastroenterology and Hepatology, University of Amsterdam, Amsterdam, The Netherlands.
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Laméris JS. [Radiology: from diagnostic tool to interventional procedures]. Ned Tijdschr Geneeskd 2011; 155:A3069. [PMID: 21447227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
This article represents the author's personal view and experience on the gradual shift from diagnostic to interventional radiology during the past 30 years. The first interventional procedures almost exclusively concerned vascular medicine. Progress in cross-sectional imaging with ultrasound, CT and MRI opened opportunities for further applications such as abdominal and musculoskeletal interventional procedures. Interventional radiology takes place in a grey area between specialties. Interspecialty turf battles can be the result, often at the expense of the interests of the patient. Training programmes have been devised that can be followed by professionals from different specialties, and it may be expected that physicians other than radiologists could perform radiological interventions, at least in part. This development should stimulate close cooperation between specialties, rather than the exclusive claiming of certain procedures. The progress of interventional radiology has benefitted from the multidisciplinary approach to clinical problems; this multidisciplinary approach should also be the basis for future developments in minimally invasive image-guided interventional procedures.
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Affiliation(s)
- J S Laméris
- Academisch Medisch Centrum, afd. Radiologie, Amsterdam, The Netherlands.
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Coenen S, Welling L, de Schryver AMP, Laméris JS, Schipper DL, van Gulik TM. [Jaundice and a pancreatic tumour caused by auto-immune pancreatitis]. Ned Tijdschr Geneeskd 2011; 155:A3067. [PMID: 21902846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Three male patients aged between 50 and 70 years were referred with jaundice and weight loss. Imaging showed a pancreatic mass and changes in the calibre of the choledochal or pancreatic duct, suggestive of malignancy. Two patients were operated on. One patient was considered to have an unresectable carcinoma but showed remarkable clinical improvement after steroids were given for his poor condition. In the other patient a resection was performed. Histology showed IgG4-positive plasma cell infiltration without signs of malignancy. Eventually these patients were diagnosed with auto-immune pancreatitis (AIP). In the third patient AIP was considered beforehand and this patient was treated with steroids. He responded quickly both clinically and radiologically. CT imaging showed complete remission of the mass. AIP is a benign inflammatory process which can mimic pancreatic carcinoma. In doubtful cases, a short trial of steroids might be considered.
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Affiliation(s)
- Sandra Coenen
- Jeroen Bosch Ziekenhuis, Afd. Maag-, Darm- en Leverziekten, Den Bosch, the Netherlands.
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Duivenvoorden R, Vanbavel E, de Groot E, Stroes ESG, Disselhorst JA, Hutten BA, Laméris JS, Kastelein JJP, Nederveen AJ. Endothelial shear stress: a critical determinant of arterial remodeling and arterial stiffness in humans--a carotid 3.0-T MRI study. Circ Cardiovasc Imaging 2010; 3:578-85. [PMID: 20576811 DOI: 10.1161/circimaging.109.916304] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Low endothelial shear stress (ESS) elicits endothelial dysfunction. However, the relationship between ESS and arterial remodeling and arterial stiffness is unknown in humans. We developed a 3.0-T MRI protocol to evaluate the contribution of ESS to arterial remodeling and stiffness. METHODS AND RESULTS Fifteen young (aged 26 ± 3 years) and 15 older (aged 57 ± 3 years) healthy volunteers as well as 15 patients with cardiovascular disease (aged 63 ± 10 years) were enrolled. Phase-contrast MRI of the common carotid arteries was used to derive ESS data from the spatial velocity gradients close to the arterial wall. ESS measurements were performed on 3 occasions and showed excellent reproducibility (intraclass correlation coefficient, 0.79). Multiple linear regression analysis accounting for age and blood pressure revealed that ESS was an independent predictor of the following response variables: carotid wall thickness (regression coefficient [b], -0.19 mm(2) per N/m(2); P=0.02), lumen area (b, -15.5 mm(2) per N/m(2); P<0.001), and vessel size (b, -24.0 mm(2) per N/m(2); P<0.001). Segments of the artery wall exposed to lower ESS were significantly thicker than segments exposed to higher ESS within the same artery (P=0.009). Furthermore, ESS was associated with arterial compliance, accounting for age, blood pressure, and wall thickness (b, -0.003 mm(2)/mm Hg per N/m(2); P=0.04). CONCLUSIONS Our carotid MRI data show that ESS is an important determinant of arterial remodeling and arterial stiffness in humans. The data warrant further studies to evaluate use of carotid ESS as a noninvasive tool to improve the understanding of individual cardiovascular disease risk and to assess novel drug therapies in cardiovascular disease prevention.
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Affiliation(s)
- Raphaël Duivenvoorden
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
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10
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van Santvoort HC, Besselink MG, Bakker OJ, Hofker HS, Boermeester MA, Dejong CH, van Goor H, Schaapherder AF, van Eijck CH, Bollen TL, van Ramshorst B, Nieuwenhuijs VB, Timmer R, Laméris JS, Kruyt PM, Manusama ER, van der Harst E, van der Schelling GP, Karsten T, Hesselink EJ, van Laarhoven CJ, Rosman C, Bosscha K, de Wit RJ, Houdijk AP, van Leeuwen MS, Buskens E, Gooszen HG. A step-up approach or open necrosectomy for necrotizing pancreatitis. N Engl J Med 2010; 362:1491-502. [PMID: 20410514 DOI: 10.1056/nejmoa0908821] [Citation(s) in RCA: 924] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Necrotizing pancreatitis with infected necrotic tissue is associated with a high rate of complications and death. Standard treatment is open necrosectomy. The outcome may be improved by a minimally invasive step-up approach. METHODS In this multicenter study, we randomly assigned 88 patients with necrotizing pancreatitis and suspected or confirmed infected necrotic tissue to undergo primary open necrosectomy or a step-up approach to treatment. The step-up approach consisted of percutaneous drainage followed, if necessary, by minimally invasive retroperitoneal necrosectomy. The primary end point was a composite of major complications (new-onset multiple-organ failure or multiple systemic complications, perforation of a visceral organ or enterocutaneous fistula, or bleeding) or death. RESULTS The primary end point occurred in 31 of 45 patients (69%) assigned to open necrosectomy and in 17 of 43 patients (40%) assigned to the step-up approach (risk ratio with the step-up approach, 0.57; 95% confidence interval, 0.38 to 0.87; P=0.006). Of the patients assigned to the step-up approach, 35% were treated with percutaneous drainage only. New-onset multiple-organ failure occurred less often in patients assigned to the step-up approach than in those assigned to open necrosectomy (12% vs. 40%, P=0.002). The rate of death did not differ significantly between groups (19% vs. 16%, P=0.70). Patients assigned to the step-up approach had a lower rate of incisional hernias (7% vs. 24%, P=0.03) and new-onset diabetes (16% vs. 38%, P=0.02). CONCLUSIONS A minimally invasive step-up approach, as compared with open necrosectomy, reduced the rate of the composite end point of major complications or death among patients with necrotizing pancreatitis and infected necrotic tissue. (Current Controlled Trials number, ISRCTN13975868.)
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11
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Duivenvoorden R, de Groot E, Afzali H, VanBavel ET, de Boer OJ, Laméris JS, Fayad ZA, Stroes ES, Kastelein JJ, Nederveen AJ. Comparison of In Vivo Carotid 3.0-T Magnetic Resonance to B-Mode Ultrasound Imaging and Histology in a Porcine Model. JACC Cardiovasc Imaging 2009; 2:744-50. [DOI: 10.1016/j.jcmg.2008.12.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2008] [Revised: 12/15/2008] [Accepted: 12/19/2008] [Indexed: 11/26/2022]
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12
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Duivenvoorden R, de Groot E, Elsen BM, Laméris JS, van der Geest RJ, Stroes ES, Kastelein JJP, Nederveen AJ. In vivo quantification of carotid artery wall dimensions: 3.0-Tesla MRI versus B-mode ultrasound imaging. Circ Cardiovasc Imaging 2009; 2:235-42. [PMID: 19808598 DOI: 10.1161/circimaging.108.788059] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Our aim was to compare common carotid mean wall thickness (MWT) measurements by 3.0-T MRI with B-mode ultrasound common carotid intima-media thickness (CCIMT) measurements, a validated surrogate marker for cardiovascular disease. METHODS AND RESULTS B-mode ultrasound and 3.0-T MRI scans of the left and right common carotid arteries were repeated 3 times in 15 healthy younger volunteers (age, 26+/-2.6 years), 15 healthy older volunteers (age, 57+/-3.2 years), and 15 subjects with cardiovascular disease and carotid atherosclerosis (age, 63+/-9.8 years). MWT was 0.711 (SD, 0.229) mm and mean CCIMT was 0.800 (SD, 0.206) mm. MWT and CCIMT were highly correlated (r=0.89, P<0.001). The intraclass correlation coefficients for interscan and interobserver and intraobserver agreements of MRI MWT measurements were larger than 0.95 with small confidence intervals, indicating excellent reproducibility. Power calculations indicate that 89 subjects are required to detect a 4% difference in MRI MWT compared with 469 subjects to detect similar differences with ultrasound IMT in follow-up studies. CONCLUSIONS The study data for carotid MRI and ultrasound IMT showed strong agreement, indicating that both modalities measure the thickness of the intima and media. The advantage of MRI over ultrasound is that the measurement variability is smaller, enabling smaller sample sizes and potentially shorter study duration in cardiovascular prevention trials.
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Affiliation(s)
- R Duivenvoorden
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
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13
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van Gulik TM, van den Esschert JW, de Graaf W, van Lienden KP, Busch ORC, Heger M, van Delden OM, Laméris JS, Gouma DJ. Controversies in the use of portal vein embolization. Dig Surg 2009; 25:436-44. [PMID: 19212116 DOI: 10.1159/000184735] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIMS Portal vein embolization (PVE) has reached worldwide acceptance to increase future remnant liver (FRL) volume before undertaking major liver resection. The aim of this overview is to point out and discuss current controversies in the application of PVE. METHODS Review of literature pertaining to techniques of PVE, complications, tumor proliferation, timing of resection, and hypertrophy response after PVE. RESULTS Procedure-related complications after PVE include hematoma, hemobilia, overflow of embolization material, and thrombosis of portal vein branch(es) of the non-embolized lobe. Persistence of the embolized, atrophic lobe is usually not harmful. Embolization of the portal branches to segment 4 in addition to embolization of the right portal trunk is controversial and is advised only in selected cases. It remains undecided whether embolization of the portal venous system is more effective in inducing hypertrophy of the FRL than ligation of the portal vein. Accelerated tumor growth after PVE is a major concern and requires consideration of post-PVE chemotherapy. A waiting time of 3 weeks between PVE and liver resection is advised. Post-hepatectomy regeneration is not hampered after preoperative PVE. CONCLUSION PVE is a useful preoperative intervention to increase volume and function of the FRL. Further progress awaits clarification of the mechanisms of the hypertrophy response induced by PVE in conjunction with new embolization materials and protective chemotherapy.
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Affiliation(s)
- Thomas M van Gulik
- Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
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14
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van den Esschert JW, de Graaf W, van Lienden KP, Busch ORC, van Delden OM, Gouma DJ, Laméris JS, van Gulik TM. [Liver resection made possible by preoperative embolization of the portal vein branches and the therefore compensatory larger size of the future liver]. Ned Tijdschr Geneeskd 2009; 153:69-74. [PMID: 19235341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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15
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van den Esschert JW, de Graaf W, van Lienden KP, Busch OR, Heger M, van Delden OM, Gouma DJ, Bennink RJ, Laméris JS, van Gulik TM. Volumetric and functional recovery of the remnant liver after major liver resection with prior portal vein embolization : recovery after PVE and liver resection. J Gastrointest Surg 2009; 13:1464-9. [PMID: 19475462 PMCID: PMC2710489 DOI: 10.1007/s11605-009-0929-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Accepted: 05/11/2009] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Portal vein embolization is an accepted method to increase the future remnant liver preoperatively. The aim of this study was to assess the effect of preoperative portal vein embolization on liver volume and function 3 months after major liver resection. MATERIALS AND METHODS This is a retrospective case-control study. Data were collected of patients who underwent portal vein embolization prior to (extended) right hemihepatectomy and of control patients who underwent the same type of resection without prior portal vein embolization. Liver volumes were measured by computed tomography volumetry before portal vein embolization, before liver resection, and 3 months after liver resection. Liver function was assessed by hepatobiliary scintigraphy before and 3 months after liver resection. RESULTS Ten patients were included in the embolization group and 13 in the control group. Groups were comparable for gender, age, and number of patients with a compromised liver. The mean future remnant liver volume was 33.0 +/- 8.0% prior to portal vein embolization in the embolization group and 45.6 +/- 9.1% in the control group (p < 0.01). Prior to surgery, there were no significant differences in future remnant liver volume and function between the groups. Three months postoperatively, the mean remnant liver volume was 81.9 +/- 8.9% of the initial total liver volume in the embolization group and 79.4 +/- 11.0% in the control group (p > 0.05). Remnant liver function increased up to 88.1 +/- 17.4% and 83.3 +/- 14% respectively of the original total liver function (p > 0.05). CONCLUSION Preoperative portal vein embolization does not negatively influence postoperative liver regeneration assessed 3 months after major liver resection.
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Affiliation(s)
| | - Wilmar de Graaf
- Department of Surgery, Academic Medical Center, IWO-1, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | | | - Olivier R. Busch
- Department of Surgery, Academic Medical Center, IWO-1, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Michal Heger
- Department of Surgery, Academic Medical Center, IWO-1, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Otto M. van Delden
- Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Dirk J. Gouma
- Department of Surgery, Academic Medical Center, IWO-1, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Roelof J. Bennink
- Department of Nuclear Medicine, Academic Medical Center, Amsterdam, The Netherlands
| | - Johan S. Laméris
- Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Thomas M. van Gulik
- Department of Surgery, Academic Medical Center, IWO-1, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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16
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van Santvoort HC, Bollen TL, Besselink MG, Banks PA, Boermeester MA, van Eijck CH, Evans J, Freeny PC, Grenacher L, Hermans JJ, Horvath KD, Hough DM, Laméris JS, van Leeuwen MS, Mortele KJ, Neoptolemos JP, Sarr MG, Vege SS, Werner J, Gooszen HG. Describing peripancreatic collections in severe acute pancreatitis using morphologic terms: an international interobserver agreement study. Pancreatology 2008; 8:593-9. [PMID: 18849641 DOI: 10.1159/000161010] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2008] [Accepted: 07/16/2008] [Indexed: 12/11/2022]
Abstract
BACKGROUND/AIMS The current terminology for describing peripancreatic collections in acute pancreatitis (AP) derived from the Atlanta Symposium (e.g. pseudocyst, pancreatic abscess) has shown a very poor interobserver agreement, creating the potential for patient mismanagement. A study was undertaken to determine the interobserver agreement for a new set of morphologic terms to describe peripancreatic collections in AP. METHODS An international, interobserver agreement study was performed: 7 gastrointestinal surgeons, 2 gastroenterologists and 8 radiologists in 3 US and 5 European tertiary referral hospitals independently evaluated 55 computed tomography (CT) scans of patients with predicted severe AP. The percentage agreement [median, interquartile range (IQR)] for 9 clinically relevant morphologic terms was calculated among all reviewers, and separately among radiologists and clinicians. The percentage agreement was defined as poor (<0.50), moderate (0.51-0.70), good (0.71-0.90), and excellent (0.91-1.00). RESULTS Overall agreement was good to excellent for the terms collection (percentage agreement = 1; IQR 0.68-1), relation with pancreas (1; 0.68-1), content (0.88; 0.87-1), shape (1; 0.78-1), mass effect (0.78; 0.62-1), loculated gas bubbles (1; 1-1), and air-fluid levels (1; 1-1). Overall agreement was moderate for extent of pancreatic nonenhancement (0.60; 0.46-0.88) and encapsulation (0.56; 0.48-0.69). The percentage agreement was greater among radiologists than clinicians for extent of pancreatic nonenhancement (0.75 vs. 0.57, p = 0.008), encapsulation (0.67 vs. 0.46, p = 0.001), and content (1 vs. 0.78, p = 0.008). CONCLUSION Interobserver agreement for the new set of morphologic terms to describe peripancreatic collections in AP is good to excellent. Therefore, we recommend that current clinically based definitions for CT findings in AP (e.g. pancreatic abscess) should no longer be used.
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17
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van den Akker JPC, Laméris JS, Hoekstra JBL. Patient with diarrhoea, abdominal pain and weight loss. Neth J Med 2007; 65:459-460. [PMID: 18079571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Affiliation(s)
- J P C van den Akker
- Department of Internal Medicine, Academic Medical Centre, University of Amsterdam, the Netherlands.
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18
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Cahen DL, Gouma DJ, Nio Y, Rauws EAJ, Boermeester MA, Busch OR, Stoker J, Laméris JS, Dijkgraaf MGW, Huibregtse K, Bruno MJ. [Surgical drainage of the pancreatic duct in patients with chronic pancreatitis is more effective than endoscopic drainage: randomized trial]. Ned Tijdschr Geneeskd 2007; 151:2624-2630. [PMID: 18161265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
OBJECTIVE To compare endoscopic and surgical drainage of the pancreatic duct for ductal decompression in patients with severe pain due to chronic pancreatitis and a dilated pancreatic duct. DESIGN Randomized clinical trial. METHOD All symptomatic patients with chronic pancreatitis and a distal obstruction of the pancreatic duct, but without an inflammatory mass, were eligible for this study. Patients were randomized to endoscopic transampullary pancreatic duct drainage or to operative pancreaticojejunostomy. The primary end point was the average Izbicki pain score, measured during 2 years of follow-up. The secondary endpoints were pain relief at the end of follow-up, physical and mental health, morbidity, mortality, hospital stay and number of procedures performed. RESULTS Of 118 patients who were evaluated between January 2000-October 2004 39 patients were randomized; 19 were treated endoscopically (16 of whom underwent lithotripsy) and 20 by operative pancreaticojejunostomy. During 24 months of follow-up, compared with endoscopic drainage, surgery was associated with lower Izbicki pain scores (51 versus 25; p < 0.001) and better SF-36 physical health summary scores (p = 0.003). Furthermore, at the end of follow-up, pain relief was achieved in 32% of patients randomized to endoscopic drainage and 75% of patients randomized to surgical drainage (p = 0.007). Complication rates and hospital stay were similar, but endoscopic treatment required more procedures (median 8 versus 3; p < 0.001).
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Affiliation(s)
- D L Cahen
- Academisch Medisch Centrum/Universiteit van Amsterdam, Amsterdam.
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19
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van Delden OM, Laméris JS. Percutaneous drainage and stenting for palliation of malignant bile duct obstruction. Eur Radiol 2007; 18:448-56. [PMID: 17960388 DOI: 10.1007/s00330-007-0796-6] [Citation(s) in RCA: 144] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2007] [Revised: 07/16/2007] [Accepted: 08/31/2007] [Indexed: 12/11/2022]
Abstract
Percutaneous biliary drainage and stenting (PTBD) for palliation of malignant obstructive jaundice has evolved to a safe and effective technique. PTBD is equally effective for treatment of distal and proximal bile obstruction. Metal self-expandable stents have proved superior to plastic stents and should therefore be used. Technical success is >90% en clinical success is >75% in all major series. There are a considerable number of complications, but most can be treated conservatively and procedure-related mortality is <2% in most series. Thirty-day mortality after PTBD is >10% in many series, but this is largely due to the underlying disease. About 10-30% of patients will have recurrent jaundice at some point in their disease after PTBD and require re-intervention.
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Affiliation(s)
- Otto M van Delden
- Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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20
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de Reuver PR, Rauws EAJ, Laméris JS, Sprangers MAG, Gouma DJ. [Claims for damages as a result of bile-duct injury during (laparoscopic) cholecystectomy]. Ned Tijdschr Geneeskd 2007; 151:1732-6. [PMID: 17784698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
OBJECTIVE To evaluate the frequency of claims for damages initiated by patients referred to a tertiary centre for the treatment of bile-duct injury after a (laparoscopic) cholecystectomy. To determine the relationship between patient characteristics and the initiation of a claim procedure. DESIGN Descriptive. METHOD Between 1 January 1990 and 31 December 2005, 500 patients with a bile-duct injury were referred to the Academic Medical Centre, Amsterdam, 454 of whom in the period up to 31 December 2004. Of these, 403 received a mailed questionnaire about the initiation of legal claims for damages. RESULTS The questionnaire was completed and returned by 278 patients (69%), a representative cohort ofthe 500. Of these, 53 (19%) had submitted a claim for damages. The percentage of claims did not increase over the periods 1991-1995 (19%), 1996-2000 (18%) and 2001-2005 (20%). In the univariate analysis, factors associated with the initiation of a claim procedure were: younger age, the severity of the injury, surgical treatment, being employed at the time of the initial cholecystectomy, and having been placed on sick leave. A complete transection of the common bile duct was the only independent predictive factor for starting a claim procedure (odds ratio: 7.5; 95% CI: 1.9-30.6).
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Affiliation(s)
- P R de Reuver
- Academisch Medisch Centrum/Universiteit van Amsterdam, Afd. Heelkunde, Amsterdam
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21
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Cahen DL, Gouma DJ, Nio Y, Rauws EAJ, Boermeester MA, Busch OR, Stoker J, Laméris JS, Dijkgraaf MGW, Huibregtse K, Bruno MJ. Endoscopic versus surgical drainage of the pancreatic duct in chronic pancreatitis. N Engl J Med 2007; 356:676-84. [PMID: 17301298 DOI: 10.1056/nejmoa060610] [Citation(s) in RCA: 444] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND For patients with chronic pancreatitis and a dilated pancreatic duct, ductal decompression is recommended. We conducted a randomized trial to compare endoscopic and surgical drainage of the pancreatic duct. METHODS All symptomatic patients with chronic pancreatitis and a distal obstruction of the pancreatic duct but without an inflammatory mass were eligible for the study. We randomly assigned patients to undergo endoscopic transampullary drainage of the pancreatic duct or operative pancreaticojejunostomy. The primary end point was the average Izbicki pain score during 2 years of follow-up. The secondary end points were pain relief at the end of follow-up, physical and mental health, morbidity, mortality, length of hospital stay, number of procedures undergone, and changes in pancreatic function. RESULTS Thirty-nine patients underwent randomization: 19 to endoscopic treatment (16 of whom underwent lithotripsy) and 20 to operative pancreaticojejunostomy. During the 24 months of follow-up, patients who underwent surgery, as compared with those who were treated endoscopically, had lower Izbicki pain scores (25 vs. 51, P<0.001) and better physical health summary scores on the Medical Outcomes Study 36-Item Short-Form General Health Survey questionnaire (P=0.003). At the end of follow-up, complete or partial pain relief was achieved in 32% of patients assigned to endoscopic drainage as compared with 75% of patients assigned to surgical drainage (P=0.007). Rates of complications, length of hospital stay, and changes in pancreatic function were similar in the two treatment groups, but patients receiving endoscopic treatment required more procedures than did patients in the surgery group (a median of eight vs. three, P<0.001). CONCLUSIONS Surgical drainage of the pancreatic duct was more effective than endoscopic treatment in patients with obstruction of the pancreatic duct due to chronic pancreatitis. (Current Controlled Trials number, ISRCTN04572410 [controlled-trials.com].).
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Affiliation(s)
- Djuna L Cahen
- Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands.
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22
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van Gelder RE, Florie J, Nio CY, Jensch S, de Jager SW, Vos FM, Venema HW, Bartelsman JF, Reitsma JB, Bossuyt PMM, Laméris JS, Stoker J. A comparison of primary two- and three-dimensional methods to review CT colonography. Eur Radiol 2006; 17:1181-92. [PMID: 17119975 DOI: 10.1007/s00330-006-0487-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2006] [Revised: 08/28/2006] [Accepted: 09/28/2006] [Indexed: 11/29/2022]
Abstract
The aim of our study was to compare primary three-dimensional (3D) and primary two-dimensional (2D) review methods for CT colonography with regard to polyp detection and perceptive errors. CT colonography studies of 77 patients were read twice by three reviewers, first with a primary 3D method and then with a primary 2D method. Mean numbers of true and false positives, patient sensitivity and specificity and perceptive errors were calculated with colonoscopy as a reference standard. A perceptive error was made if a polyp was not detected by all reviewers. Mean sensitivity for large (> or = 10 mm) polyps for primary 3D and 2D review was 81% (14.7/18) and 70%(12.7/18), respectively (p-values > or = 0.25). Mean numbers of large false positives for primary 3D and 2D were 8.3 and 5.3, respectively. With primary 3D and 2D review 1 and 6 perceptive errors, respectively, were made in 18 large polyps (p = 0.06). For medium-sized (6-9 mm) polyps these values were for primary 3D and 2D, respectively: mean sensitivity: 67%(11.3/17) and 61%(10.3/17; p-values > or = 0.45), number of false positives: 33.3 and 15.6, and perceptive errors : 4 and 6 (p = 0.53). No significant differences were found in the detection of large and medium-sized polyps between primary 3D and 2D review.
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Affiliation(s)
- Rogier E van Gelder
- Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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23
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van Delden OM, Rauws EAJ, Gouma DJ, Laméris JS. [Increasing role for angiographic embolisation in the treatment of gastrointestinal haemorrhage]. Ned Tijdschr Geneeskd 2006; 150:956-61. [PMID: 17225735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Endoscopy is the primary diagnostic and therapeutic modality for the vast majority of patients with haemorrhage of the upper or lower digestive tract. In many hospitals, surgery is the therapy of choice when endoscopy fails or is impossible. In patients who have considerable co-morbidity and who are actively bleeding from the digestive tract, surgery is associated with a relatively high morbidity and mortality. Angiographic embolisation for haemorrhage from the upper or lower digestive tract is effective, with success rates varying from 50 to 90%. The risk of ischaemic complications of the procedure is acceptably low (< 5%). Angiography is not very time-consuming and does not preclude subsequent surgical treatment ifangiographic embolisation does not succeed. However, performing embolisation requires skill and experience and the procedure is not available everywhere. Angiographic embolisation is a valuable alternative to surgery and should be considered in all patients with haemorrhage of the digestive tract who cannot be treated by means of endoscopy.
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Affiliation(s)
- O M van Delden
- Academisch Medisch Centrum/Universiteit van Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam.
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24
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Jensch S, van Gelder RE, Venema HW, Reitsma JB, Bossuyt PMM, Laméris JS, Stoker J. Effective radiation doses in CT colonography: results of an inventory among research institutions. Eur Radiol 2006; 16:981-7. [PMID: 16418863 DOI: 10.1007/s00330-005-0047-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2005] [Revised: 08/12/2005] [Accepted: 09/29/2005] [Indexed: 10/25/2022]
Abstract
The purpose of this study was to estimate the effective dose that is currently used in CT colonography using scan parameters that were collected for this purpose, and to investigate trends in time. PubMed was systematically searched from 1996 until January 2004 for studies investigating CT colonography. Research institutions were contacted and asked for their current scan protocol. Thirty-six institutions published 74 studies. Twenty-eight of the 36 institutions provided their current protocol. The median effective dose in 2004 was 5.1 mSv (range 1.2-11.7 mSv) per position. Most institutions (93%) scan in both the supine and prone positions. The median mAs value was 67 mAs (range 20-200), median collimation was 2.5 mm (range 0.75-5). From 1996 until 2004 a significant decrease in mAs and collimation (P=0.006, P<0.0001, respectively) was observed, while institutions that used a multislice scanner increased (P<0.0001). The effective dose remained constant (P=0.76). In 2004 the median effective dose for a complete CT colonography was 10.2 mSv. Despite the increasing use of multislice scanners, which are slightly less dose-efficient, the median effective dose remained approximately constant between 1996 and 2004. This is mainly caused by the use of lower mAs settings.
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Affiliation(s)
- Sebastiaan Jensch
- Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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Schein M, Laméris JS. Ultrasound-guided percutaneous drainage of intra-abdominal abscesses. Br J Surg 2005. [DOI: 10.1002/bjs.1800750132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- M Schein
- General Infirmary, Leeds LS1 3EX, UK
| | - J S Laméris
- University Hospital, Rotterdam Dijkzigt Rotterdam, The Netherlands
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de Castro SMM, Kuhlmann KFD, Busch ORC, van Delden OM, Laméris JS, van Gulik TM, Obertop H, Gouma DJ. Incidence and management of biliary leakage after hepaticojejunostomy. J Gastrointest Surg 2005; 9:1163-71; discussion 1171-3. [PMID: 16269388 DOI: 10.1016/j.gassur.2005.08.010] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2005] [Revised: 08/09/2005] [Accepted: 08/09/2005] [Indexed: 01/31/2023]
Abstract
This study analyzes the change in the management of biliary leakage after hepaticojejunostomy. Between 1993 and 2003 all patients (n = 1033) were studied with a hepaticojejunostomy as part of a pancreatoduodenectomy (n = 486), proximal bile duct resection (without liver resection) (n = 35), and biliodigestive bypass for malignant (n = 302) and benign (n = 210) disease. Biliary leakage was defined as the presence of bile-stained fluid (>50 mL) in the abdominal drain more than 24 hours after surgery, proven radiologically or at relaparotomy. The studied patients were divided into two equal periods to analyze the change in management. Overall, 24 of 1033 patients (2.3%) had biliary leakage. In multivariate analysis, a body mass index greater than 35 kg/m2 (P = .012), endoscopic biliary drainage (P = .044), and an anastomosis on the segmental bile ducts (P < .001) were independent predictors of leakage. Management in the first half of the study period (1993-1998) versus the second half (1999-2003) was maintenance of operatively placed drains (18% vs. 15%, respectively, P = 1.000), percutaneous transhepatic biliary drainage (18% vs. 69%, respectively, P = .012), surgical drainage (55% vs. 8%, respectively, P = .023), and re-hepaticojejunostomy (9% vs. 8%, respectively, P = 1.000). There was no mortality in the patients with biliary leakage. Leakage after a hepaticojejunostomy is a relatively rare complication without mortality and can safely be managed with percutaneous transhepatic biliary drainage.
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Bipat S, Phoa SSKS, van Delden OM, Bossuyt PMM, Gouma DJ, Laméris JS, Stoker J. Ultrasonography, computed tomography and magnetic resonance imaging for diagnosis and determining resectability of pancreatic adenocarcinoma: a meta-analysis. J Comput Assist Tomogr 2005; 29:438-45. [PMID: 16012297 DOI: 10.1097/01.rct.0000164513.23407.b3] [Citation(s) in RCA: 157] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To compare ultrasonography (US), computed tomography (CT), and magnetic resonance imaging (MRI) in the diagnosis and determination of resectability of pancreatic adenocarcinoma. METHODS Articles reporting US, CT, or MRI data of patients with known or suspected pancreatic adenocarcinoma and at least 20 patients verified with histopathology, surgical findings, or follow-up were included. A bivariate random effects approach was used to calculate sensitivity and specificity for diagnosis and resectability of pancreatic adenocarcinoma. RESULTS Sixty-eight articles fulfilled all inclusion criteria. For diagnosis, sensitivities of helical CT, conventional CT, MRI, and US were 91%, 86%, 84%, and 76% and specificities were 85%, 79%, 82%, and 75% respectively. Sensitivities for MRI and US were significantly lower compared with helical CT (P = 0.04 and P = 0.0001). For determining resectability, sensitivities of helical CT, conventional CT, MRI, and US were 81%, 82%, 82, and 83% and specificities were 82%, 76%, 78%, and 63% respectively. Specificity of US was significantly lower compared with helical CT (P = 0.011). CONCLUSIONS Helical CT is preferable as an imaging modality for the diagnosis and determination of resectability of pancreatic adenocarcinoma.
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Affiliation(s)
- Shandra Bipat
- Department of Radiology, Academic Medical Center, 1105 AZ Amsterdam, The Netherlands.
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Phoa SSKS, Tilleman EHBM, van Delden OM, Bossuyt PMM, Gouma DJ, Laméris JS. Value of CT criteria in predicting survival in patients with potentially resectable pancreatic head carcinoma. J Surg Oncol 2005; 91:33-40. [PMID: 15999356 DOI: 10.1002/jso.20270] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Survival is often poor after resection of pancreatic tumors. We correlated the pre-operative CTs with survival to find criteria that have prognostic value. To establish the prognostic value of CT in patients with potentially resectable pancreatic head carcinoma. METHODS In 71 consecutive patients with potentially resectable pancreatic head carcinoma, prognostic factors on CT were scored, for example, tumor size, peripancreatic infiltration, grades of vascular encasement, and local irresectability. All patients underwent surgical exploration. CT findings were compared with results of surgery and histopathology. Prognostic factors for resected and unresected tumors were analyzed using single and multivariate analysis. RESULTS Forty-one of 71 tumors were resected (24 radical). The sensitivity, specificity, and positive predictive value of CT for surgical irresectability were 0.67, 0.63, and 0.57, respectively. For a non-radical resection, these were 0.62, 0.75, and 0.83, respectively. The median survival was 21 months for resectable tumors and 9.7 months for unresectable tumors. For resected tumors, a tumor diameter of > 3 cm (relative hazard 3.8) and CT signs of local unresectability showed a poor survival. The median survival of resected tumors <2 cm was nearly 30 months. CONCLUSION CT signs of local irresectability and a tumor diameter of >3 cm predict a poor survival after resection.
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Affiliation(s)
- Saffire S K S Phoa
- Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands.
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Go HLS, Baarslag HJ, Vermeulen H, Laméris JS, Legemate DA. A comparative study to validate the use of ultrasonography and computed tomography in patients with post-operative intra-abdominal sepsis. Eur J Radiol 2005; 54:383-7. [PMID: 15899340 DOI: 10.1016/j.ejrad.2004.08.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2004] [Revised: 08/02/2004] [Accepted: 08/04/2004] [Indexed: 11/30/2022]
Abstract
PURPOSE To validate abdominal ultrasonography and helical computed tomography in detecting causes for sepsis in patients after abdominal surgery and to determine improved criteria for its use. MATERIALS AND METHODS Eighty-five consecutive surgical patients primarily operated for non-infectious disease were included in this prospective study. Forty-one patients were admitted to the intensive care unit. All patients were suspected of an intra-abdominal sepsis after abdominal surgery. Both ultrasonography (US) and helical abdominal computed tomography (CT) were performed to investigate the origin of an intra-abdominal sepsis. The images of both US and CT were interpreted on a four-point scale by different radiologists or residents in radiology, the investigators were blinded of each other's test. Interpretations of US and CT were compared with a reference standard which was defined by the result of diagnostic aspiration of suspected fluid collections, (re)laparotomy, clinical course or the opinion of an independent panel. Likelihood ratios and post-test probabilities were calculated and interobserver agreement was determined using kappa statistics. RESULTS The overall prevalence of an abdominal infection was 0.49. The likelihood ratio (LR) of a positive test-result for US was 1.33 (95% CI: 0.8-2.5) and for CT scan 2.53 (95% CI: 1.4-5.0); corresponding post-test probabilities for US 0.57 (95% CI: 0.42-0.70) and for CT 0.71 (95% CI: 0.57-0.83). The LR of a negative test-result was, respectively, 0.60 (95% CI: 0.3-1.3) and 0.18 (95% CI: 0.06-0.5); corresponding post-test probabilities for US 0.37 (95% CI: 0.20-0.57) and for CT 0.15 (95% CI: 0.06-0.32) were calculated. CONCLUSION Computed tomography can be used as the imaging modality of choice in patients suspected of intra-abdominal sepsis after abdominal surgery. Because of the low discriminatory power ultrasonography should not be performed as initial diagnostic test.
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Affiliation(s)
- H L S Go
- Department of Radiology, Academic Medical Center, University of Amsterdam, C-1, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
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de Castro SMM, Kuhlmann KFD, Busch ORC, van Delden OM, Laméris JS, van Gulik TM, Obertop H, Gouma DJ. Delayed massive hemorrhage after pancreatic and biliary surgery: embolization or surgery? Ann Surg 2005; 241:85-91. [PMID: 15621995 PMCID: PMC1356850 DOI: 10.1097/01.sla.0000150169.22834.13] [Citation(s) in RCA: 153] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To analyze the management of delayed massive hemorrhage (DMH) after major pancreatic and biliary surgery. SUMMARY BACKGROUND DATA Despite a decreased mortality rate for pancreatic and biliary surgery, DMH is still an important cause of postoperative mortality. The aim of the present study was to analyze the management of DMH after pancreatic and biliary surgery, and specifically to assess the role of embolization and surgical intervention. METHODS The study group (SG) consisted of 1010 patients from 1994 to 2002 who underwent pancreatic or biliary surgery (cholecystectomy excluded). Patients from a previous study (1983-1993, n = 686) were used as a historical control group (HCG). RESULTS The incidence of DMH (SG 2.3% vs. HCG 3.2%) declined somewhat but did not differ significantly between both periods. The number of patients with a septic complication (SG 74% vs. HCG 50%) and a sentinel bleed (SG 78% vs. HCG 100%) before the onset of DMH did not differ significantly. Embolization (SG 2 of 2 patients vs. HCG 0 of 2 patients) was not used frequently. Successful outcome after surgical intervention (SG 14 of 16 patients vs. HCG 8 of 14 patients) and the surgical procedures performed to obtain hemostasis were comparable and overall mortality (SG 22% vs. HCG 29%) was comparable. CONCLUSIONS The incidence of DMH declined somewhat from 3.2% to 2.3% over the past years. Most patients present with septic complications and a sentinel bleed before onset of DMH. Despite general acceptance of embolization in our unit, it was used infrequently in patients with DMH. Aggressive surgical intervention was the treatment of choice in patients with DMH after pancreatic or biliary surgery.
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Affiliation(s)
- Steve M M de Castro
- Department of Surgery, Academic Medical Center, University of Amsterdam, The Netherlands
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van Gelder RE, Birnie E, Florie J, Schutter MP, Bartelsman JF, Snel P, Laméris JS, Bonsel GJ, Stoker J. CT colonography and colonoscopy: assessment of patient preference in a 5-week follow-up study. Radiology 2004; 233:328-37. [PMID: 15358854 DOI: 10.1148/radiol.2331031208] [Citation(s) in RCA: 131] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE To prospectively evaluate short- and midterm patient preference of computed tomographic (CT) colonography relative to colonoscopy in patients at increased risk for colorectal cancer and to elucidate determinants of preference. MATERIALS AND METHODS Consecutive patients at increased risk for colorectal cancer underwent CT colonography prior to scheduled colonoscopy. Patient experience and preference were assessed both directly after the examinations and 5 weeks after the examinations. Differences in pain, embarrassment, discomfort, and preference were assessed with the Wilcoxon signed rank sum test or a binomial test. Potential determinants of preference were investigated with logistic regression analyses. RESULTS Data for 249 patients were included. Fewer patients experienced severe or extreme pain during CT colonography (seven [3%] of 245) than during colonoscopy (81 [34%] of 241) (P < .001). Directly after both examinations, 168 (71%) of 236 patients preferred CT colonography; 5 weeks later, 141 (61%) of 233 patients preferred CT colonography (P < .001). Initially, a painful colonoscopy examination (odds ratio, 0.17; 95% confidence interval [CI]: 0.08, 0.38) was a determinant of CT colonography preference. Similarly, a painful (odds ratio, 3.70; 95% CI: 1.54, 8.92) or an embarrassing (odds ratio, 4.46; 95% CI: 1.18, 16.88) CT colonography examination was a determinant of colonoscopy preference. After 5 weeks, the presence of polyps emerged as a determinant of colonoscopy preference (odds ratio, 1.94; 95% CI: 1.02, 3.70), while the role of experiences waned. CONCLUSION Patients preferred CT colonography to colonoscopy; however, this preference decreased in time, while outcome considerations gradually replaced temporary experiences of inconvenience.
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Affiliation(s)
- Rogier E van Gelder
- Departments of Radiology, Social Medicine, and Gastroenterology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
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de Castro SMM, Tilleman EHBM, Busch ORC, van Delden OM, Laméris JS, van Gulik TM, Obertop H, Gouma DJ. Diagnostic laparoscopy for primary and secondary liver malignancies: impact of improved imaging and changed criteria for resection. Ann Surg Oncol 2004; 11:522-9. [PMID: 15123462 DOI: 10.1245/aso.2004.09.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Diagnostic laparoscopy (DL) combined with laparoscopic ultrasonography (LUS) has previously shown positive results as a staging modality for liver malignancies. Recent improvements in noninvasive diagnostic imaging techniques such as multiphasic spiral computed tomography, together with the policy that bilobar disease or the number of lesions is no longer considered an absolute exclusion criterion for curative resection, could reduce the additional value of DL. This study retrospectively analyzed the efficacy of DL combined with LUS for liver malignancies to assess the effect of improved imaging and changed criteria for resection. METHODS All patients with primary or metachronous secondary liver malignancy eligible for resection in 1997 to 2002 were included. RESULTS DL combined with LUS was performed in 84 consecutive patients (56 men and 28 women; mean age, 59 years) with primary (n = 33) or secondary (n = 51) liver malignancies. DL showed unresectability in 13 patients (39%) with primary malignancy. Exploratory laparotomy showed that an additional 5 (25%) of the remaining 20 patients had unresectable disease. DL showed unresectability in 5 patients (12%) with colorectal liver metastasis (n = 43). At laparotomy, another 7 (18%) of the remaining 38 patients had unresectable disease. In five patients (13%) from the latter group, LUS could not be performed because of adhesions from previous surgery. CONCLUSIONS DL combined with LUS is an adequate staging modality for primary liver malignancies. For colorectal liver metastasis, more liberal resection criteria, a high failure rate due to adhesions from previous surgery, and better preoperative imaging probably resulted in a lower efficacy.
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Affiliation(s)
- S M M de Castro
- Academic Medical Center, Department of Surgery, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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Van Gelder RE, Nio CY, Florie J, Bartelsman JF, Snel P, De Jager SW, Van Deventer SJ, Laméris JS, Bossuyt PMM, Stoker J. Computed tomographic colonography compared with colonoscopy in patients at increased risk for colorectal cancer. Gastroenterology 2004; 127:41-8. [PMID: 15236170 DOI: 10.1053/j.gastro.2004.03.055] [Citation(s) in RCA: 132] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND & AIMS To date, computed tomographic (CT) colonography has been compared with an imperfect test, colonoscopy, and has been mainly assessed in patients with positive screening test results or symptoms. Therefore, the available data may not apply to screening of patients with a personal or family history of colorectal polyps or cancer (increased risk). We prospectively investigated the ability of CT colonography to identify individuals with large (>or=10 mm) colorectal polyps in consecutive patients at increased risk for colorectal cancer. METHODS A total of 249 consecutive patients at increased risk for colorectal cancer underwent CT colonography before colonoscopy. Two reviewers interpreted CT colonography examinations independently. Sensitivity, specificity, and predictive values were determined after meticulous matching of CT colonography with colonoscopy. Unexplained large false-positive findings were verified with a second-look colonoscopy. RESULTS In total, 31 patients (12%) had 48 large polyps at colonoscopy. This included 8 patients with 8 large polyps that were overlooked initially and detected at the second-look colonoscopy. In 6 of 8 patients, the missed polyp was the only large lesion. With CT colonography, 84% of patients (26/31) with large polyp(s) were identified, paired for a specificity of 92% (200-201/218). Positive and negative predictive values were 59%-60% (26/43-44) and 98% (200-201/205-206), respectively. CT colonography detected 75%-77% (36-37/48) of large polyps, with 9 of the missed lesions being flat. CONCLUSIONS CT colonography and colonoscopy have a similar ability to identify individuals with large polyps in patients at increased risk for colorectal cancer. The large proportion of missed flat lesions warrants further study.
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Affiliation(s)
- Rogier E Van Gelder
- Department of Radiology, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands.
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van Gelder RE, Venema HW, Florie J, Nio CY, Serlie IWO, Schutter MP, van Rijn JC, Vos FM, Glas AS, Bossuyt PMM, Bartelsman JFW, Laméris JS, Stoker J. CT colonography: feasibility of substantial dose reduction--comparison of medium to very low doses in identical patients. Radiology 2004; 232:611-20. [PMID: 15215541 DOI: 10.1148/radiol.2322031069] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In a feasibility study, the authors compared polyp detection and interobserver variability at computed tomographic (CT) colonography in 15 patients with doses ranging from medium to very low (12.00-0.05 mSv). At levels down to 2% of the medium dose, the mean detection of polyps 5 mm or larger remained at least 74%, while the number of false-positive results decreased and the interobserver agreement remained constant. Initial observations indicate that it is feasible to reduce the radiation dose required for CT colonography. Further studies are needed, however, to investigate the clinical value of very low-dose CT colonography.
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Affiliation(s)
- Rogier E van Gelder
- Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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Gouma DJ, Rauws EA, Laméris JS. [Bile duct injury after cholecystectomy: risk of mortality substantially higher]. Ned Tijdschr Geneeskd 2004; 148:1020-4. [PMID: 15185435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Previous studies showed that bile duct injury after cholecystectomy is associated with substantial morbidity and a negative effect on Quality of Life. In a recent study, patients with a bile duct injury after cholecystectomy exhibited a 3-fold increase in mortality during a follow-up period of nine years compared to patients without injury. This is the first study to demonstrate a negative impact of bile duct injury on survival. Repair by a less experienced surgeon leads to an 11% higher mortality during follow-up. Cholangiography should probably be performed routinely during cholecystectomy. A bile duct lesion should be suspected when the patient has not recovered within 48 hours. Endoscopic or percutaneous treatment of stenoses or leakage is usually successful, even after several weeks.
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Affiliation(s)
- D J Gouma
- Afd. Algemene Chirurgie, Academisch Medisch Centrum/Universiteit van Amsterdam, Postbus 22.660, 1100 DD Amsterdam.
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ter Borg PCJ, Hollemans M, Van Buuren HR, Vleggaar FP, Groeneweg M, Hop WCJ, Laméris JS. Transjugular Intrahepatic Portosystemic Shunts: Long-term Patency and Clinical Results in a Patient Cohort Observed for 3–9 Years. Radiology 2004; 231:537-45. [PMID: 15044746 DOI: 10.1148/radiol.2312021797] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE To retrospectively assess the outcome of transjugular intrahepatic portosystemic shunt (TIPS) placement in a nonselected group of consecutive patients. MATERIALS AND METHODS TIPS placement was attempted in 82 patients. Patients were followed up for at least 3 years according to a standard protocol that included repeated shunt evaluations. Fifty-four patients underwent TIPS placement for variceal bleeding, 24 for refractory ascites, and four for other indications. Recurrent bleeding, effect on ascites, long-term patency, development of encephalopathy, and survival and complication rates were evaluated with Kaplan-Meier survival analysis and Cox multivariate analysis. RESULTS TIPS placement was successful in 75 patients (91%). Mean follow-up lasted 29.4 months. Primary patency was 22% and 12%, primary-assisted patency was 67% and 46%, and secondary patency was 91% and 91% at 1- and 5-year follow-up, respectively. Nonalcoholic liver disease (P =.007) and increasing platelet counts (P =.006) independently predicted development of shunt insufficiency. The 1- and 5-year rates of recurrent variceal bleeding were 21% and 27%, respectively. In the majority of patients with refractory ascites, a beneficial effect of TIPS placement was observed. The risk for encephalopathy was 25% at 1-month follow-up and 52% at 3-year follow-up. The risk for chronic or severe intermittent encephalopathy was 15% at 1-year follow-up and 20% at 3-year follow-up. Serum creatinine levels (P =.001) and age (P =.02) were independent risk factors. Overall survival rate was 61%, 49%, and 42% at 1-, 3-, and 5-year follow-up, respectively. Age (P =.03), serum albumin level (P =.02), and serum creatinine level (P <.001) were independently related to mortality. CONCLUSION The risk for definitive loss of shunt function was 17% at 5-year follow-up, indicating that surveillance with shunt revision-when indicated-results in excellent long-term TIPS patency. TIPS placement effectively protects against recurrent bleeding.
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Affiliation(s)
- Pieter C J ter Borg
- Department of Gastroenterology and Hepatology, Erasmus MC, Dr. Molewaterplein 40, Room Ca 326, 3015 GD Rotterdam, The Netherlands.
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ter Borg PCJ, Hollemans M, Van Buuren HR, Vleggaar FP, Groeneweg M, Hop WCJ, Laméris JS. Transjugular intrahepatic portosystemic shunts: long-term patency and clinical results in a patient cohort observed for 3-9 years. Radiology 2004. [PMID: 15044746 DOI: 10.1148/radiol.2312021797.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
PURPOSE To retrospectively assess the outcome of transjugular intrahepatic portosystemic shunt (TIPS) placement in a nonselected group of consecutive patients. MATERIALS AND METHODS TIPS placement was attempted in 82 patients. Patients were followed up for at least 3 years according to a standard protocol that included repeated shunt evaluations. Fifty-four patients underwent TIPS placement for variceal bleeding, 24 for refractory ascites, and four for other indications. Recurrent bleeding, effect on ascites, long-term patency, development of encephalopathy, and survival and complication rates were evaluated with Kaplan-Meier survival analysis and Cox multivariate analysis. RESULTS TIPS placement was successful in 75 patients (91%). Mean follow-up lasted 29.4 months. Primary patency was 22% and 12%, primary-assisted patency was 67% and 46%, and secondary patency was 91% and 91% at 1- and 5-year follow-up, respectively. Nonalcoholic liver disease (P =.007) and increasing platelet counts (P =.006) independently predicted development of shunt insufficiency. The 1- and 5-year rates of recurrent variceal bleeding were 21% and 27%, respectively. In the majority of patients with refractory ascites, a beneficial effect of TIPS placement was observed. The risk for encephalopathy was 25% at 1-month follow-up and 52% at 3-year follow-up. The risk for chronic or severe intermittent encephalopathy was 15% at 1-year follow-up and 20% at 3-year follow-up. Serum creatinine levels (P =.001) and age (P =.02) were independent risk factors. Overall survival rate was 61%, 49%, and 42% at 1-, 3-, and 5-year follow-up, respectively. Age (P =.03), serum albumin level (P =.02), and serum creatinine level (P <.001) were independently related to mortality. CONCLUSION The risk for definitive loss of shunt function was 17% at 5-year follow-up, indicating that surveillance with shunt revision-when indicated-results in excellent long-term TIPS patency. TIPS placement effectively protects against recurrent bleeding.
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Affiliation(s)
- Pieter C J ter Borg
- Department of Gastroenterology and Hepatology, Erasmus MC, Dr. Molewaterplein 40, Room Ca 326, 3015 GD Rotterdam, The Netherlands.
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Stoker J, Rociu E, Bosch JLHR, Messelink EJ, van der Hulst VPM, Groenendijk AG, Eijkemans MJC, Laméris JS. High-resolution endovaginal MR imaging in stress urinary incontinence. Eur Radiol 2003; 13:2031-7. [PMID: 12692675 DOI: 10.1007/s00330-003-1855-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2002] [Revised: 01/02/2003] [Accepted: 02/10/2003] [Indexed: 12/12/2022]
Abstract
The causes of stress urinary incontinence are not completely known. Recent papers have stressed the importance of more anatomical information, which may help to elucidate the mechanism of stress urinary incontinence. The purpose of this study was to evaluate the prevalence of lesions of the urethral support mechanism and lesions (defects and scars, thinning) of levator ani muscle with endovaginal MRI in a case-control study. Forty women (median age 52 years, age range 40-65 years)--20 patients with stress urinary incontinence (cases) and 20 age-matched healthy volunteers (controls)--underwent endovaginal MRI: axial, coronal, and sagittal T2-weighted turbo spin echo. The examinations were evaluated for the presence of lesions of urethral supporting structures and levator ani and scar tissue of the levator ani. The thickness of the levator ani muscle was measured. Lesions of the urethral support system and levator ani were significantly more prevalent in cases than in controls ( p<0.01). Median levator ani thickness in patients was significantly lower than in healthy controls [2.5 mm (range 0.9-4.1 mm) vs 3.9 mm (range 1.4-7 mm)] ( p<0.01). This study indicates a relationship between stress urine incontinence and the presence of lesions of the urethral support and levator ani and levator ani thinning.
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Affiliation(s)
- Jaap Stoker
- Department of Radiology, Academic Medical Center, University of Amsterdam, P.O. Box 22700, 1100 DE Amsterdam, The Netherlands.
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39
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Tilleman EHBM, Phoa SSKS, Van Delden OM, Rauws EAJ, van Gulik TM, Laméris JS, Gouma DJ. Reinterpretation of radiological imaging in patients referred to a tertiary referral centre with a suspected pancreatic or hepatobiliary malignancy: impact on treatment strategy. Eur Radiol 2003; 13:1095-9. [PMID: 12695833 DOI: 10.1007/s00330-002-1579-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2002] [Revised: 06/07/2002] [Accepted: 06/13/2002] [Indexed: 11/30/2022]
Abstract
Our objective was to determine the clinical importance of reinterpretation of radiological investigations performed in a referring hospital and the value of additional investigations in a referral centre. A panel of four experts retrospectively evaluated the technical quality of radiological investigations and made reinterpretation reports, of 78 patients referred with a suspected pancreatic or hepatobiliary malignancy. The value of additional radiological investigations performed in the referral centre was assessed. The quality of ultrasound and CT examinations was sufficient for reinterpretation in (36 of 69) 52% and (42 of 60) 70%, respectively. The reinterpretation reports of the ultrasound investigations were scored as "in accordance" in (30 of 36) 83%, as "minor discordance" in (3 of 36) 8% and as "major discordance" in (3 of 36) 8%. For CT proportions of (29 of 42) 69%, (8 of 42) 19% and (5 of 42) 12%, respectively, were found. Additional ultrasound ( n=55) showed no additional findings in 16%, minor additional findings in 53% and major additional findings in 31% of cases. For additional spiral CT scan ( n=47) results were of 21, 47 and, 32%, respectively. Reinterpretation of ultrasound and CT resulted in a change in treatment strategy for 7 patients (9%). Additional ultrasound or CT resulted in a change in treatment strategy for 24 patients (30%). Improved communication and reinterpretation of radiological investigations may reduce unnecessary referral.
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Affiliation(s)
- Esther H B M Tilleman
- Department of Surgery of the Academic Medical Center Amsterdam, Suite G4-144, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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40
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van Hillegersberg R, de Jonge LCW, Laméris JS, van Lanschot JJB. Intrathoracic stomach or empyema? Ann Thorac Surg 2002; 74:1714. [PMID: 12440646 DOI: 10.1016/s0003-4975(01)03511-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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van Gelder RE, Venema HW, Serlie IWO, Nio CY, Determann RM, Tipker CA, Vos FM, Glas AS, Bartelsman JFW, Bossuyt PMM, Laméris JS, Stoker J. CT colonography at different radiation dose levels: feasibility of dose reduction. Radiology 2002; 224:25-33. [PMID: 12091658 DOI: 10.1148/radiol.2241011126] [Citation(s) in RCA: 162] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
PURPOSE To investigate the sensitivity and specificity of polyp detection and the image quality of computed tomographic (CT) colonography at different radiation dose levels and to study effective doses reported in literature on CT colonography. MATERIALS AND METHODS CT colonography and colonoscopy were performed with 100 mAs in 50 consecutive patients at high risk for colorectal cancer; 50- and 30-mAs CT colonographic examinations were simulated with controlled addition of noise to raw transmission measurements. One radiologist randomly evaluated all original and simulated images for the presence of polyps and scored image quality. Differences in image quality were assessed with the Wilcoxon rank test. Scan protocols from the literature and recent (unpublished) updates were collected. RESULTS In nine of 10 patients with polyps 5 mm in diameter or larger (sensitivity, 90%) and in seven of 17 patients with polyps smaller than 5 mm, polyps were correctly identified with CT colonography at all dose levels. Specificity for patients without polyps 5 mm or larger was 53%-60% at all dose levels and for patients without any polyps was 26% (at 100 and 50 mAs) and 48% (at 30 mAs). Image quality decreased significantly as the dose level decreased. The median effective doses (supine and prone positions) calculated from protocols reported in the literature and updates were 7.8 and 8.8 mSv, respectively. CONCLUSION Although image quality decreases significantly at 30 mAs (3.6 mSv), polyp detection remains unimpaired. The median dose for CT colonography at institutions that perform CT colonographic research is currently 8.8 mSv.
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Affiliation(s)
- Rogier E van Gelder
- Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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42
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Stoker J, Romijn MG, de Man RA, Brouwer JT, Weverling GJ, van Muiswinkel JM, Zondervan PE, Laméris JS, Ijzermans JNM. Prospective comparative study of spiral computer tomography and magnetic resonance imaging for detection of hepatocellular carcinoma. Gut 2002; 51:105-7. [PMID: 12077101 PMCID: PMC1773291 DOI: 10.1136/gut.51.1.105] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is often detected at a relatively late stage when tumour size prohibits curative surgery. Screening to detect HCC at an early stage is performed for patients at risk. AIM The aim of this study was to compare prospectively the diagnostic accuracy and classification for management of the two state of the art secondline imaging techniques: triphasic spiral computer tomography (CT) and super paramagnetic iron oxide (SPIO) enhanced magnetic resonance imaging (MRI). PATIENTS Sixty one patients were evaluated between January 1996 and January 1998. Patients underwent CT and MRI within a mean interval of 6.75 days. METHODS CT and MRI were evaluated blindly for the presence and number of lesions, characterisation of these lesions, and classification for management. For comparison of the data on characterisation, the CT and MRI findings were compared with histopathological studies of the surgical specimens and/or follow up imaging. Data of patients not lost to follow up were available to January 2001. RESULTS SPIO enhanced MRI detected more lesions and overall smaller lesions than triphasic spiral CT (number of lesions 189 v 124; median diameter 1.0 v 1.8 cm; Spearman rank's correlation coefficient 0.63, p<0.001). There was no significant difference in accuracy between CT and MRI for lesion characterisation. The agreement in classification for management was very good (weighted kappa 0.91, 95% CI 0.83-0.99). CONCLUSION SPIO enhanced MRI detects more and smaller lesions, but both techniques are comparable in terms of classification for management. SPIO enhanced MRI may be preferred as there is no exposure to ionising radiation.
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Affiliation(s)
- J Stoker
- Department of Radiology, Erasmus Medical Centre Rotterdam, University of Amsterdam, The Netherlands.
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43
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Schipper HG, Laméris JS, van Delden OM, Rauws EA, Kager PA. Percutaneous evacuation (PEVAC) of multivesicular echinococcal cysts with or without cystobiliary fistulas which contain non-drainable material: first results of a modified PAIR method. Gut 2002; 50:718-23. [PMID: 11950823 PMCID: PMC1773202 DOI: 10.1136/gut.50.5.718] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Surgery is the treatment of choice in echinococcal cysts with cystobiliary fistulas. PAIR (puncture, aspiration, injection, and reaspiration of scolecidals) is contraindicated in these cases. AIM To evaluate a modified PAIR method for percutaneous treatment of multivesicular echinococcal cysts with or without cystobiliary fistulas which contain non-drainable material. PATIENTS Twelve patients were treated: 10 patients with multivesicular cysts which contained non-drainable material and were complicated by spontaneous intrabiliary rupture, secondary cystobiliary fistulas, cyst infection, or obstructed portal or hepatic veins; and two patients with large univesicular cysts and a ruptured laminated membrane, one obstructing the portal and hepatic veins and one a suspected cystobiliary fistula. METHODS The methods used, termed PEVAC (percutaneous evacuation of cyst content), involved the following steps: ultrasound guided cyst puncture and aspiration of cyst fluid to release intracystic pressure and thereby to avoid leakage; insertion of a large bore catheter; aspiration and evacuation of daughter cysts and endocyst by injection and reaspiration of isotonic saline; cystography; injection of scolecidals only if no cystobiliary fistula was present; external drainage of cystobiliary fistulas combined with endoprosthesis or sphincterotomy; catheter removal after complete cyst collapse and closure of the cystobiliary fistula. RESULTS In all 12 patients initial cyst size was 13.1 (6-20) cm (mean (range)). At follow up 17.9 (4-30) months after PEVAC, seven cysts had disappeared and five cysts had decreased to 2.4 (1-4) cm (p=0.002). In eight patients with multivesicular cysts, a cystobiliary fistula, and infection, cyst size was 12.5 (6-20) cm, catheter time 72.3 (28-128) days, and hospital stay 38.1 (20-55) days. At 17.3 (4-28) months of follow up, six cysts had disappeared and in two cysts residual size was 1 and 2.9 cm, respectively (p=0.012). In four patients without a cystobiliary fistula, cyst size was 14.4 (12.7-16) cm, catheter time 8.8 (3-13) days, and hospital stay 11.5 (8-14) days. At 19.3 (9-30) months of follow up, one cyst had disappeared and three cysts were 85 (69-94)% smaller (2.2 (1-4) cm) (p=0.068). CONCLUSION PEVAC is a safe and effective method for percutaneous treatment of multivesicular echinococcal cysts with or without cystobiliary fistulas which contain non-drainable material.
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Affiliation(s)
- H G Schipper
- Department of Infectious Diseases, Tropical Medicine, and AIDS, Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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Abstract
OBJECTIVE The exact location of anovaginal and rectovaginal fistulas cannot be determined by physical examination and conventional techniques. The objective of our study was to compare the accuracy of endoluminal sonography and endoluminal MR imaging in revealing the location of anovaginal and rectovaginal fistulas. MATERIALS AND METHODS Nineteen consecutive patients (age range, 28-56 years; median age, 39 years) with clinical indications of an anovaginal or rectovaginal fistula were included in our retrospective study. Endoluminal sonography was performed using a 7.5-MHz transducer. Endoluminal MR imaging was performed at 0.5 T for 10 patients and 1.5 T for nine patients; axial T2-weighted gradient-echo, coronal and sagittal T2-weighted turbo spin-echo (0.5 T), or axial and radial T2-weighted turbo spin-echo and axial T2-weighted fat saturated turbo spin-echo (1.5 T) images were obtained. For a variety of reasons, surgery of the fistula was not attempted in six of these 19 patients. The imaging findings were compared with the findings obtained during surgery in the remaining 13 patients. RESULTS In 12 of the 13 patients, the fistula was found during surgery: seven of the fistulas were anovaginal, and five were rectovaginal. Findings of endoluminal sonography were true-positive in 11 patients, true-negative in one, and false-negative in one. Findings of endoluminal MR imaging were true-positive in 11 patients, false-negative in one, and false-positive in one. Positive predictive value for endoluminal sonography and endoluminal MR imaging were 100% and 92%, respectively. Imaging findings for anal sphincter defects were comparable. CONCLUSION Endoluminal sonography and endoluminal MR imaging have comparable positive predictive values in revealing the location of anovaginal and rectovaginal fistulas.
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Affiliation(s)
- Jaap Stoker
- Department of Radiology, Academic Medical Center, University of Amsterdam, P. O. Box 22700, 1100 DE Amsterdam, The Netherlands
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Plaisier PW, van der Hul RL, Laméris JS, Oei HY, Terpstra OT. Routine testing of liver function after biliary-enteric anastomosis has no clinical relevance. Hepatogastroenterology 2001; 48:622-4. [PMID: 11462889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
BACKGROUND/AIMS Patients who had a biliary-enteric anastomosis often have elevated liver function tests. The aim of this study was to investigate whether elevated liver function tests are associated with recurrent episodes of cholangitis. METHODOLOGY Thirty-two patients, who received a biliary-enteric anatomosis for benign biliary disease were evaluated. Follow-up consisted of the patient's history, physical examination, determination of liver function tests, ultrasonography and hepatobiliary scintigraphy using 99mTc-HIDA. RESULTS Median duration of follow-up was 45 months (range: 1-192) and liver function tests were elevated in 22 patients (69%) at some time during follow-up. Dilated intrahepatic ducts were found in 3 of 30 patients (10%), all of whom had elevated liver function tests at follow-up. Delayed passage from the liver was observed using scintigraphy in 10 (31%) of the patients. Seven patients (22%) experienced one episode of cholangitis and none experienced more than one episode. Multivariate analysis showed that male sex was an independent risk factor for elevated liver function tests (odds ratio: 10.9; P < 0.05). For cholangitis, no risk factors could be identified. CONCLUSIONS It is concluded that elevated liver function tests are relatively common after a biliary-enteric anastomosis for benign biliary tract disease and are not predictive of the occurrence of cholangitis. We, therefore, recommend omitting routine laboratory screening for elevated liver function tests in the follow-up of a biliary-enteric anastomosis.
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Affiliation(s)
- P W Plaisier
- Department of General Surgery, University Hospital Rotterdam, Rotterdam, The Netherlands
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Rajaram R, Ponsioen CY, Majoie CB, Reeders JW, Laméris JS. Evaluation of a modified cholangiographic classification system for primary sclerosing cholangitis. Abdom Imaging 2001; 26:43-7. [PMID: 11116359 DOI: 10.1007/s002610000098] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND There is no uniformly accepted classification system for the range of cholangiographic abnormalities encountered in primary sclerosing cholangitis (PSC). The aims of this study were to evaluate a previously developed classification system and to test the hypothesis that the pancreatic duct can be involved in PSC. METHODS Two observers scored 132 endoscopic retrograde cholangiopancreatographies (ERCPs) from established PSC patients. From 30 patients, subsequent ERCPs were scored and compared with the initial ERCPs. The pancreatic duct was judged with regard to morphologic abnormalities. RESULTS The classification system was applicable in 107 patients. In 10 ERCPs (7.6%), no clear intrahepatic abnormalities were found; 15 other ERCPs (11.4%) did not show extrahepatic abnormalities. In 30 cases, a subsequent ERCP was judged. The difference in scoring between the initial and the subsequent ERCPs was statistically significant, with the subsequent ERCP having higher intrahepatic and extrahepatic scores. Sixty-four adequately filled pancreatic ducts were analyzed. In two cases (3.1%), morphologic abnormalities were found. CONCLUSIONS The previously developed scoring system is very applicable for almost all PSC patients when supplemented with a type 0 category. Scoring increased over time, suggesting a correlation with disease severity. The pancreatic duct does not seem to be involved in PSC.
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Affiliation(s)
- R Rajaram
- Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam Z.O., The Netherlands
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47
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Abstract
The purpose of the study was to evaluate CT criteria for venous invasion in patients with potentially resectable carcinoma of the pancreatic head, with surgical and histopathological correlation. In 113 patients evaluated with spiral CT for suspected pancreatic head carcinoma, several CT criteria for venous invasion were scored prospectively for the portal vein (PV) and the superior mesenteric vein (SMV): length of tumour contact with PV/SMV (0 mm, < 5 mm, > 5 mm); circumferential involvement of the vein (0 degree, 0-90 degrees, 90-180 degrees, > 180 degrees); degree of stenosis; irregularity of the vessel margin; and tumour convexity towards vessel. 65 patients underwent surgery. Pancreatic head carcinoma was proven and pathology of the vascular margin was obtained in 50 of these patients. CT findings for single and combined criteria were correlated with pathology in these 50 patients, 30 of whom showed venous ingrowth. Invasion was found in all cases with SMV narrowing (n = 7), PV contour involvement > 90 degrees (n = 6), PV narrowing (n = 5) and PV wall irregularity (n = 3). The vascular ingrowth rate was 88% (15/17) for tumour concavity towards the PV or SMV. Poor predictors of ingrowth were length of tumour contact with PV > 5 mm (78% ingrowth, 14/18) and contour involvement of the SMV > 90 degrees (83% ingrowth, 10/12). Absence of vascular ingrowth could not be predicted in 100%. In conclusion, CT criteria can predict a high risk of invasion in potentially resectable tumours. Narrowing of the SMV and the PV seems the most reliable criterion, as well as circumferential involvement of the PV > 90 degrees. The best combination of criteria was tumour concavity with circumferential involvement > 90 degrees (sensitivity 60% and positive predictive value 90%).
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Affiliation(s)
- S S Phoa
- Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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48
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Abstract
PURPOSE To describe the various patterns of normal sphincter anatomy as seen at endoanal magnetic resonance (MR) imaging and to assess sex- and age-related variations in the dimensions of the anal sphincter to refine the diagnosis of sphincter disorders. MATERIALS AND METHODS Endoanal MR imaging (1.5 T) was performed in 100 healthy volunteers (50 women, 50 men) evenly distributed between ages 20 and 85 years. The essential anatomic structures were evaluated, and various patterns in men and women were recorded. The thickness of the anal sphincter muscles and the length of the anal canal were measured, and age- and sex-related correlations were studied. RESULTS Sex-related differences included a significantly shorter external sphincter in women than in men both laterally (mean, 27.1 mm +/- 5.4 vs 28.6 mm +/- 4.3; P: <.05) and anteriorly (mean, 14.0 mm +/- 3.0 vs 27.0 mm +/- 53.0; P: <.051). The superficial transverse perineal muscle is located more superiorly in women than in men. The central perineal tendon in men is a central muscular insertion point; in women, it represents an area where muscle fibers imbricate. Age-related variations included a significant decrease in the thickness of the external sphincter in men (P: <.01). Significant decrease in the thickness of the longitudinal muscle and increase in the thickness of the internal sphincter were noted in both sexes (P: <.01). CONCLUSION High-spatial-resolution endoanal MR imaging provides excellent visualization of pelvic floor structures. Severe atrophy as it occurs in incontinent patients should be differentiated from physiologic, age-related thinning of the external sphincter and longitudinal muscle.
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Affiliation(s)
- E Rociu
- Department of Radiology, Erasmus University Medical Center, Rotterdam, the Netherlands.
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Abstract
The purpose of this study was to compare prospectively computed tomography (CT) and magnetic resonance (MR) imaging before and after mangafodipir trisodium infusion for the detection and staging of focal pancreatic lesions. From November 1996 to October 1997, 43 consecutive patients suspected to have a focal pancreatic lesion were included in a phase III study. Triphasic helical CT was performed, as well as MRI at 1.5 T, as follows: axial T1-weighted (T1w) turbo spin echo (TSE), spectral presaturation with inversion recovery (SPIR) T1w TSE, T1w turbo field echo (TFE), and SPIR T2w TSE before and after mangafodipir trisodium (0.01 mmol/ml, 0.5 ml/kg) infusion. Imaging results were correlated with surgery, laparoscopy, laparoscopic ultrasound, and biopsy. Objective measurements were performed by measuring signal intensities (SIs) of lesion and parenchyma and calculating contrast indexes (CIs) and contrast-to-noise-ratios (CNRs) to assess the delineation of the tumor. SIs were correlated with four phantom standards with a known SI. Thirty-eight pancreatic adenocarcinomas were present, as well as one cystadenoma, two papillomas, and two cases of focal pancreatitis. SI measurements revealed significant increases in CIs for the lesion compared with the parenchyma in T1w TSE (69.7 vs 152.7; P = 0. 0003) and T1w TFE (107.8 vs 194.2; P = 0.0002). These series also revealed significant increases in CNRs (for T1w TSE: 9.7 vs 13.0; P = 0.0407 and for T1w TFE: 14.5 vs 26.1; P = 0.0001). In the other series, there was no significant increase. CT detected 38 lesions, MRI without mangafodipir trisodium detected 39 lesions, and MRI with mangafodipir trisodium detected 40 lesions, giving detection accuracy rates of 88%, 91%, and 93%, respectively. Staging accuracy rates for vascular ingrowth were 81%, 75%, and 81%, respectively. Overall staging accuracy rates were 57%, 54%, and 54%, respectively, mostly due to undetected small metastases in the peritoneum, omentum, or liver (< 1 cm). This study indicates that a) MRI after mangafodipir trisodium gives a better delineation of the tumor in T1w series, but b) does not significantly improve the detection rate and staging accuracy of focal pancreatic lesions over MRI without this contrast medium.
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Affiliation(s)
- M G Romijn
- Department of Radiology, University Hospital Rotterdam, The Netherlands.
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Briel JW, Zimmerman DD, Stoker J, Rociu E, Laméris JS, Mooi WJ, Schouten WR. Relationship between sphincter morphology on endoanal MRI and histopathological aspects of the external anal sphincter. Int J Colorectal Dis 2000; 15:87-90. [PMID: 10855549 DOI: 10.1007/s003840050238] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Atrophy of the external anal sphincter can be shown only on endoanal magnetic resonance imaging (MRI). Until now no study has compared the morphological endoanal MRI findings with histopathological aspects of the external anal sphincter. The aim of this study was to validate the MRI interpretation of the external anal sphincter using histology as a "gold standard." In this prospective study 25 consecutive unselected women (median age 48 years, range 27-72) with fecal incontinence due to obstetric trauma were assessed preoperatively with endoanal MRI. All patients underwent anterior sphincteroplasty within 6 months of the preoperative assessment. During sphincter repair, a biopsy specimen was taken both from the left and right lateral parts of the external anal sphincter. Interpretation of MRI was performed by one of the radiologists (J.S.), and biopsy specimens were evaluated by the pathologist (W.J.M.). Both were blinded to the interpretation of the other. MRI revealed external anal sphincter atrophy in 9 of the 25 patients (36%). Histopathological investigation confirmed these findings in all but one. In one additional patient atrophy was detected on histological investigation while the morphology of the external anal sphincter was classified as normal on MRI. In detecting sphincter atrophy endoanal MRI showed 89% sensitivity, 94% specificity, 89% positive predictive value, and 94% negative predictive value. MRI correctly identified sphincter morphology in 23 of 25 cases (92%). This study demonstrates that endoanal MRI accurately identifies normal and abnormal external anal sphincter morphology. Endoanal MRI is therefore a valuable preoperative diagnostic tool.
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Affiliation(s)
- J W Briel
- Department of General Surgery, University Hospital Rotterdam, The Netherlands
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