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Kang SK, Hoffman D, Ferket B, Kim MI, Braithwaite RS. Risk-stratified versus Non–Risk-stratified Diagnostic Testing for Management of Suspected Acute Biliary Obstruction: Comparative Effectiveness, Costs, and the Role of MR Cholangiopancreatography. Radiology 2017; 284:468-481. [DOI: 10.1148/radiol.2017161714] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Stella K. Kang
- From the Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY 10016 (S.K.K., D.H.); Department of Population Health, NYU Langone Medical Center, New York, NY (S.K.K., R.S.B.); Institute for Healthcare Delivery Science, Department of Population Health Science and Policy (B.F.), and Department of Medicine, Division of Gastroenterology (M.I.K.), Icahn School of Medicine at Mount Sinai, New York, NY; and Department of Medicine, NYU Medical Center, New York, NY (R.S.B.)
| | - David Hoffman
- From the Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY 10016 (S.K.K., D.H.); Department of Population Health, NYU Langone Medical Center, New York, NY (S.K.K., R.S.B.); Institute for Healthcare Delivery Science, Department of Population Health Science and Policy (B.F.), and Department of Medicine, Division of Gastroenterology (M.I.K.), Icahn School of Medicine at Mount Sinai, New York, NY; and Department of Medicine, NYU Medical Center, New York, NY (R.S.B.)
| | - Bart Ferket
- From the Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY 10016 (S.K.K., D.H.); Department of Population Health, NYU Langone Medical Center, New York, NY (S.K.K., R.S.B.); Institute for Healthcare Delivery Science, Department of Population Health Science and Policy (B.F.), and Department of Medicine, Division of Gastroenterology (M.I.K.), Icahn School of Medicine at Mount Sinai, New York, NY; and Department of Medicine, NYU Medical Center, New York, NY (R.S.B.)
| | - Michelle I. Kim
- From the Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY 10016 (S.K.K., D.H.); Department of Population Health, NYU Langone Medical Center, New York, NY (S.K.K., R.S.B.); Institute for Healthcare Delivery Science, Department of Population Health Science and Policy (B.F.), and Department of Medicine, Division of Gastroenterology (M.I.K.), Icahn School of Medicine at Mount Sinai, New York, NY; and Department of Medicine, NYU Medical Center, New York, NY (R.S.B.)
| | - R. Scott Braithwaite
- From the Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY 10016 (S.K.K., D.H.); Department of Population Health, NYU Langone Medical Center, New York, NY (S.K.K., R.S.B.); Institute for Healthcare Delivery Science, Department of Population Health Science and Policy (B.F.), and Department of Medicine, Division of Gastroenterology (M.I.K.), Icahn School of Medicine at Mount Sinai, New York, NY; and Department of Medicine, NYU Medical Center, New York, NY (R.S.B.)
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Kang SK, Heacock L, Doshi AM, Ream JR, Sun J, Babb JS. Comparative performance of non-contrast MRI with HASTE vs. contrast-enhanced MRI/3D-MRCP for possible choledocholithiasis in hospitalized patients. Abdom Radiol (NY) 2017; 42:1650-1658. [PMID: 28154911 DOI: 10.1007/s00261-016-1039-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
PURPOSE To compare the performance of non-contrast MRI with half-Fourier acquisition single-shot turbo spin echo (HASTE) vs. contrast-enhanced MRI/3D-MRCP for assessment of suspected choledocholithiasis in hospitalized patients. METHODS AND MATERIALS 123 contrast-enhanced abdominal MRI/MRCP scans in the hospital setting for possible choledocholithiasis were retrospectively evaluated. Endoscopic retrograde cholangiopancreatography, intraoperative cholangiogram or documented clinical resolution served as the reference standard. Readers first evaluated the biliary tree using coronal and axial HASTE and other non-contrast sequences, and later reviewed the entire exam with post-contrast sequences and 3D-MRCP. Test performance for the image sets was compared for choledocholithiasis, acute hepatitis, cholangitis, and acute cholecystitis. Reader agreement, MRCP image quality, and confidence levels were also assessed. Clinical predictors of age and fever were tested for association with perceived need for contrast in biliary assessment. RESULTS There were 27 cases of choledocholithiasis, 31 cases of acute hepatitis, 37 cases of acute cholecystitis, and 3 clinically diagnosed cases of acute cholangitis. Both the abbreviated and full contrast-enhanced/MRCP image sets resulted in high accuracy for choledocholithiasis (91.1-94.3% vs. 91.9-92.7%). There was no difference in sensitivity or specificity for either reader for any diagnosis between image sets (p > 0.40). 1 reader showed improved confidence (p < 0.001) with inclusion of MRCP and contrast-enhanced images, but neither confidence nor MRCP quality scores were associated with diagnostic accuracy. Patient age and fever did not predict the need for contrast-enhanced images. CONCLUSION In hospitalized patients with suspected choledocholithiasis, performance of non-contrast abdominal MRI with HASTE is similar to contrast-enhanced MRI with 3D-MRCP, offering potential for decreased scanning time and improved patient tolerability.
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Affiliation(s)
- Stella K Kang
- Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA.
- Department of Population Health, NYU School of Medicine, 227 East 30th St, New York, NY, 10016, USA.
| | - Laura Heacock
- Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA
| | - Ankur M Doshi
- Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA
| | - Justin R Ream
- Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA
| | - Jeffrey Sun
- NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA
| | - James S Babb
- Department of Radiology, NYU School of Medicine, 550 First Ave, New York, NY, 10016, USA
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Hemodynamic Variation and Intravenous Fluids Administered During ERCP and the Association With Post-ERCP Pancreatitis. Pancreas 2016; 45:293-7. [PMID: 26390424 DOI: 10.1097/mpa.0000000000000454] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES We sought to determine whether hypotension and the amount of intravenous (IV) fluids administered during endoscopic retrograde cholangiopancreatography (ERCP) were associated with post-ERCP pancreatitis. METHODS We identified patients who developed post-ERCP pancreatitis between 2009 and 2013. Using a case-control design, we extracted baseline and intra-ERCP vital signs and the amount of IV fluids given. We used regression to analyze the association between these factors and the risk of post-ERCP pancreatitis. RESULTS We found no association between intraprocedure hypotension (P = 0.17), bradycardia (P = 0.20), hypoxemia (P = 1.0), dehydration (P = 0.80), and post-ERCP pancreatitis. An increase in mean arterial pressure (MAP) more than 20 units from baseline (odds ratio [OR], 1.8; P = 0.03), increasing amount of IV fluids administered during ERCP (OR, 1.5; P = 0.03), female sex (OR, 2.6; P = 0.001), and younger age (OR, 1.02; P = 0.01) were associated with post-ERCP pancreatitis. In multivariate regression, female sex maintained statistical significance (P = 0.01); MAP more than 20 units from baseline (P = 0.1) and increased IV fluids (P = 0.09) showed an insignificant trend. CONCLUSIONS Hypotension during ERCP was not associated with post-ERCP pancreatitis. An increase in MAP more than 20 units from baseline and an increase in the amount of IV fluids administered during ERCP may increase the risk of post-ERCP pancreatitis.
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Zhou W, Li Y, Zhang Q, Li X, Meng W, Zhang L, Zhang H, Zhu K, Zhu X. Risk factors for postendoscopic retrograde cholangiopancreatography pancreatitis: a retrospective analysis of 7,168 cases. Pancreatology 2011; 11:399-405. [PMID: 21894057 DOI: 10.1016/s1424-3903(11)80094-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Postendoscopic retrograde cholangiopancreatography pancreatitis (PEP) is one of the most common and serious complications after endoscopic retrograde cholangiopancreatography (ERCP). This study aims to test the hypothesis that the incidence of PEP declined over time due to improved patient selection and/or endoscopic equipment and endoscopic techniques. Therefore, we compared the incidence and risk factors of PEP between four arbitrary chronologically stratified groups. METHODS A total of 7,168 cases of ERCP procedures were retrospectively analyzed. According to the different developmental stages of ERCP equipment and techniques, cases were divided into four groups. The incidence rates and major risk factors for acute PEP were compared between groups. RESULTS Among the 7,168 cases, the overall incidence of PEP was 3.70% (265/7,168). When analyzed against each stage of ERCP development, the incidence of PEP was 4.09% (77/1,884) in stage I, 5.79% (86/1,489) in stage II, 3.95% (62/1,568) in stage III and 1.80% (40/2,227) in stage IV. By univariate analysis, pancreatic stent placement (OR: 0.300) and use of propofol-balanced anesthesia (OR: 0.632) seem to be protective factors for acute PEP. By multivariate analysis, the following risk factors for PEP could be identified: repeated cannulation (OR: 3.462), pancreatic duct injection (OR: 3.218), balloon dilation of biliary sphincter (OR: 2.847), papillae precut (OR: 2.493), nonselective high-pressure injection (OR: 1.428), excessive electrocoagulation incision (OR: 1.263), history of pancreatitis (OR: 3.843) and suspected sphincter of Oddi dysfunction (OR: 1.782). CONCLUSIONS Improved technical procedures were associated with a significant reduction in the incidence of PEP. Risks for developing PEP may be minimized by constant improvement in ERCP techniques, such as routine use of a guidewire, highly selective cannulation, pancreatic stent placement and cautious incision.
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Affiliation(s)
- Wence Zhou
- The Second Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
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Abid GH, Siriwardana HP, Holt A, Ammori BJ. Mild ERCP-induced and non-ERCP-related acute pancreatitis: two distinct clinical entities? J Gastroenterol 2007; 42:146-51. [PMID: 17351804 DOI: 10.1007/s00535-006-1979-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2006] [Accepted: 11/15/2006] [Indexed: 02/04/2023]
Abstract
BACKGROUND The aim of this study was to evaluate the hypothesis that mild endoscopic retrograde cholangiopancreatography (ERCP)-induced acute pancreatitis (AP) runs a distinctly shorter clinical course compared with mild attacks caused by other etiological factors. METHODS ERCP-induced AP was defined as the persistence of postprocedure abdominal pain requiring analgesia for at least 24 h in association with hyperamylasemia of more than three times the normal value. Among 2552 patients who had undergone ERCP between 1996 and 2002 in two different hospitals, mild AP developed after "elective" ERCP in 48 (group I). Among a random sample of 10% of 700 patients admitted with AP to both hospitals during the same study period, 58 had mild non-ERCP-related AP (group II). Results shown are medians. RESULTS Patients in group I had significantly shorter durations of pain (55 vs. 114 h, P < 0.0001), analgesic intake (56 vs.93 h, P = 0.007), and intravenous hydration (48 vs. 80 h, P < 0.0001), a lower opiate analgesic requirement (58 mg morphine equivalent vs. 100 mg, P = 0.001), a shorter time to resumption of oral diet (3 vs. 5 days, P < 0.0001), and a shorter hospital stay (4 vs. 7 days, P < 0.0001) than patients in group II. CONCLUSIONS The current definitions of ERCP-induced AP select a cohort of patients whose mild attacks run a significantly shorter and milder course than non-ERCP-related mild attacks. A new consensus definition of ERCP-induced AP that describes attacks of similar clinical course is needed.
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Affiliation(s)
- Ghalib H Abid
- Department of Surgery, Manchester Royal Infirmary, Manchester, UK
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Thomopoulos KC, Pagoni NA, Vagenas KA, Margaritis VG, Theocharis GI, Nikolopoulou VN. Twenty-four hour prophylaxis with increased dosage of octreotide reduces the incidence of post-ERCP pancreatitis. Gastrointest Endosc 2006; 64:726-31. [PMID: 17055865 DOI: 10.1016/j.gie.2006.03.934] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2005] [Accepted: 03/31/2006] [Indexed: 02/08/2023]
Abstract
BACKGROUND Acute pancreatitis is a common complication of ERCP, occurring in up to 10% of cases. Chemoprevention of post-ERCP pancreatitis remains a debated issue. OBJECTIVE This study evaluated whether increased dosage of octreotide, a potent inhibitor of pancreatic secretion, could reduce the incidence of post-ERCP pancreatitis. DESIGN In a randomized, double-blind, placebo controlled trial, the effect of 500 microg octreotide, given 3 times daily subcutaneously starting 24 hours before the ERCP procedure, was compared with that of placebo in patients who underwent diagnostic and/or therapeutic ERCP. PATIENTS A total of 202 patients were included in the trial. The 2 groups were similar in regards to age, sex, indications for treatment, underlying diseases, and types of therapeutic procedures. Patients were clinically evaluated, and serum amylase levels were determined before ERCP and at 6 to 8 hours thereafter. Standardized criteria were used to diagnose and to grade the severity of post-ERCP pancreatitis. RESULTS The medication was discontinued because of an allergic reaction in 1 patient in the octreotide group. The incidence of post-ERCP pancreatitis was significantly lower in the octreotide group compared with the placebo group (2/10 [2%] vs 9/101 [8.9%], P = .03). All cases of acute pancreatitis were mild, except 2 (1 moderate and 1 severe) in the placebo group. CONCLUSIONS The results of this trial support the use of 24-hour prophylaxis with high dose of octreotide in the prevention of post-ERCP pancreatitis.
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Kaltenthaler EC, Walters SJ, Chilcott J, Blakeborough A, Vergel YB, Thomas S. MRCP compared to diagnostic ERCP for diagnosis when biliary obstruction is suspected: a systematic review. BMC Med Imaging 2006; 6:9. [PMID: 16907974 PMCID: PMC1579209 DOI: 10.1186/1471-2342-6-9] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2006] [Accepted: 08/14/2006] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Magnetic resonance cholangiopancreatography (MRCP) is an alternative to diagnostic endoscopic retrograde cholangiopancreatography (ERCP) for investigating biliary obstruction. The use of MRCP, a non-invasive procedure, may prevent the use of unnecessary invasive procedures. The aim of the study was to compare the findings of MRCP with those of ERCP by the computation of accuracy statistics. METHODS Thirteen electronic bibliographic databases, covering biomedical, science, health economics and grey literature were searched. A systematic review of studies comparing MRCP to diagnostic ERCP in patients with suspected biliary obstruction was conducted. Sensitivity, specificity, likelihood ratios, acceptability and adverse events were reported. RESULTS 25 studies were identified reporting several conditions including choledocholithiasis (18 studies), malignancy (four studies), obstruction (three studies), stricture (two studies) and dilatation (five studies). Three of the 18 studies reporting choledocholithiasis were excluded from the analysis due to lack of data, or differences in study design. The sensitivity for the 15 studies of choledocholithiasis ranged from 0.50 to 1.00 while specificity ranged from 0.83 to 1.00. The positive likelihood ratio ranged: from 5.44-47.72 and the negative likelihood ratio for the 15 studies ranged from 0.00-0.51. Significant heterogeneity was found across the 15 studies so the sensitivities and specificities were summarised by a Receiver Operating Characteristic (ROC) curve. For malignancy, sensitivity ranged from 0.81 to 0.94 and specificity from 0.92 to 1.00. Positive likelihood ratios ranged from 10.12 to 43 and negative likelihood ratios ranged from 0.15 to 0.21, although these estimates were less reliable. CONCLUSION MRCP is a comparable diagnostic investigation in comparison to ERCP for diagnosing biliary obstruction.
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Affiliation(s)
- Eva C Kaltenthaler
- School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK
| | - Stephen J Walters
- School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK
| | - Jim Chilcott
- School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK
| | | | | | - Steven Thomas
- Northern General Hospital, Herries Road, Sheffield S5 7AU, UK
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Lavy A, Karban A, Suissa A, Yassin K, Hermesh I, Ben-Amotz A. Natural beta-carotene for the prevention of post-ERCP pancreatitis. Pancreas 2004; 29:e45-50. [PMID: 15257114 DOI: 10.1097/00006676-200408000-00018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Endoscopic retrograde cholangiopancreatography (ERCP) is a commonly used procedure. Pancreatitis is its most common complication. As the injury may be mediated by oxidative stress, it could be ameliorated by antioxidants. METHODS We conducted a double-blind trial, giving the patients a single dose of natural beta-carotene or placebo, 12 hours prior to procedure, and monitoring them for 24 hours post-procedure for procedure complications, antioxidant levels, and plasma oxidation. RESULTS The overall incidence of acute pancreatitis according to our definition was 9.6%. The incidence of pancreatitis was not significantly different between the beta-carotene group (10%) and the placebo group (9.4%). Four patients in the placebo group had severe pancreatitis (2.22%), but none in the beta-carotene group. This difference is statistically significant. CONCLUSION We did not see a reduction in the incidence of post-ERCP pancreatitis, but there may be some protective effect of treatment with beta-carotene regarding the severity of disease.
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Affiliation(s)
- A Lavy
- Gastroenterology Unit, Bnai-Zion Medical Center, Haifa, Israel.
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Abstract
In the past decade, our understanding of the genetic basis, pathogenesis, and natural history of pancreatitis has grown strikingly. In severe acute pancreatitis, intensive medical support and non-surgical intervention for complications keeps patients alive; surgical drainage (necrosectomy) is reserved for patients with infected necrosis for whom supportive measures have failed. Enteral feeding has largely replaced the parenteral route; controversy remains with respect to use of prophylactic antibiotics. Although gene therapy for chronic pancreatitis is years away, our understanding of the roles of gene mutations in hereditary and sporadic pancreatitis offers tantalising clues about the disorder's pathogenesis. The division between acute and chronic pancreatitis has always been blurred: now, genetics of the disorder suggest a continuous range of disease rather than two separate entities. With recognition of pancreatic intraepithelial neoplasia, we see that chronic pancreatitis is a premalignant disorder in some patients. Magnetic resonance cholangiopancreatography and endoscopic ultrasound are destined to replace endoscopic retrograde cholangiopancreatography for many diagnostic indications in pancreatic disease.
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Affiliation(s)
- R M S Mitchell
- Division of Gastroenterology, Duke University Medical Center, Durham, NC 27710, USA
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