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Chronic Pancreatitis, Function Tests, & Pain Management: Pancreatic Disease

Video Published 2019-01-11 Updated 2023-08-11

Timestops (8)

Topic Overview

A multidisciplinary discussion of chronic pancreatitis in pediatric patients, covering diagnostic criteria, genetic testing, pancreatic function assessment, and pain management. The panel presents a case of a 10-year-old with extensive pancreatic calcifications and chronic pancreatitis, discusses the role of genetic mutations (PRSS1, CFTR, SPINK1, CTRC) in disease progression, reviews direct pancreatic function testing methods including endoscopic and MR-based approaches, and emphasizes the importance of integrated pain management involving psychology and judicious opioid use. Key clinical points include the distinction between acute recurrent and chronic pancreatitis, the high yield of genetic testing in pediatric populations (55-68% positive), and the lack of evidence supporting low-fat diet or pancreatic enzyme replacement for preventing recurrent episodes.

Key Takeaways

  • Genetic testing yields positive results in 55-68% of pediatric chronic pancreatitis cases, far higher than adult populations. (15:16)
  • SPINK1 + CFTR mutation combo carries 800x relative risk for chronic pancreatitis; test both genes in recurrent cases. (20:18)
  • Direct pancreatic function testing (endoscopic or MR-based) is superior to stool elastase for assessing exocrine reserve. (24:40)
  • Low-fat diet and antioxidants lack evidence for preventing recurrent attacks or pain in chronic pancreatitis. (36:40)
  • Multidisciplinary pain management with CBT and judicious opioid protocols is standard of care, not monotherapy. (39:31)

Inside this episode

Kai, the Library's AI content creator, listened to this episode and mapped who's speaking, the chapters, key claims, and cases. Every item links to the exact moment in the recording.

AI-enriched

Who's speaking

  • Jamie — host
  • Joe Palermo — guest
  • Andrew Trout — guest
  • Speaker 4 — guest
  • Speaker 5 — guest
  • Doctor Goldschneider — guest

Chapters

  • 0:00Introduction and Definitions of Chronic Pancreatitis — Session introduction, poll on whether recurrent and chronic pancreatitis are the same, definitions of acute recurrent pancreatitis (ARP) and chronic pancreatitis (CP), imaging findings including calcifications and ductal changes, and discussion of disease progression from AP to ARP to CP.
  • 6:26Case Presentation: 10-Year-Old with Extensive Calcifications — Presentation of a previously healthy 10-year-old male with acute abdominal pain, normal labs but extensive pancreatic calcifications on CT, dilated ducts on MRI, and history of poor growth. Discussion of atypical presentation and imaging findings.
  • 12:11Genetic Testing in Chronic Pancreatitis — Overview of genetic mutations associated with pancreatitis (PRSS1, SPINK1, CFTR, CTRC), data showing 55-68% positivity rates in pediatric ARP/CP, discussion of penetrance and heterozygosity effects, introduction of new next-generation sequencing pancreas panel launching in October.
  • 22:03Pancreatic Function Testing — Direct pancreatic function testing methods including endoscopic collection with secretin/CCK stimulation, protocol details, MR pancreatic function testing (MRPFT) as noninvasive alternative, quantitative fluid volume measurement, and correlation studies with endoscopic testing.
  • 35:13Case Follow-Up and Management Principles — Patient found to be PRSS1 positive with exocrine insufficiency, normal endocrine function, evidence of chronic pancreatitis on ERCP. Discussion that low-fat diet, pancreatic enzymes, antioxidants, and steroids have not been shown to prevent recurrent episodes or pain.
  • 38:16Multidisciplinary Pain Management — Case of 13-year-old with annular pancreas and chronic pancreatitis scheduled for Whipple, revealing extensive psychiatric comorbidities and family dynamics. Discussion of multidisciplinary pain team (physician, psychologist, nurse), cognitive behavioral therapy, medication management including judicious opioid use, and successful outcome avoiding surgery.

Key claims

  • 2:54Between 7 and 34% of pediatric patients with acute pancreatitis will eventually develop recurrent episodes of pancreatitis — Joe Palermo
  • 3:12Acute recurrent pancreatitis is defined as two distinct episodes of acute pancreatitis with either complete resolution between episodes or complete normalization of enzymes between episodes — Joe Palermo
  • 3:37Chronic pancreatitis requires a combination of clinical presentation and abnormal imaging findings including ductal irregularities, calcifications, or pancreatic gland atrophy — Joe Palermo
  • 5:48Patients can have acute recurrent pancreatitis without evidence of ductal changes, pancreatic atrophy, or pancreatic function loss — Joe Palermo
  • 11:37In adults, alcohol causes up to 70% of chronic pancreatitis cases — Joe Palermo
  • 11:37In pediatric populations, the main risk factors for chronic pancreatitis are genetic, followed by obstructive or anatomic processes — Joe Palermo
  • 13:14PRSS1 is an autosomal dominant disorder causing acute pancreatitis in 80% of people who have the gene, chronic pancreatitis in about half, and pancreatic cancer in more than 40% — Speaker 4
  • 13:37SPINK1 is an autosomal recessive trypsin inhibitor gene that acts as a modifier, though heterozygous cases can result in disease — Speaker 4
  • 13:59Severe CFTR mutations like delta 508 cause exocrine pancreatic insufficiency, while patients who are pancreatic sufficient with CF mutations are at risk for pancreatitis and chronic pancreatitis — Speaker 4
  • 14:50In a study of 50 patients, 85% of acute recurrent pancreatitis patients and 100% of chronic pancreatitis patients received extensive genetic testing for CFTR, PRSS1, CTRC, and SPINK1 — Speaker 4
  • 15:1655% of acute recurrent pancreatitis patients and 68% of chronic pancreatitis patients tested positive for genetic mutations — Speaker 4
  • 15:45Chronic pancreatitis patients were diagnosed earlier with first attack, had more additional attacks, and were more likely to be exocrine insufficient compared to acute recurrent pancreatitis patients — Speaker 4
  • 15:56CFTR gene was more commonly found in chronic pancreatitis patients compared to acute recurrent patients, and patients are more likely to have two genes affected compared to one — Speaker 4
  • 16:17Six additional genes beyond the original four (PRSS1, SPINK1, CFTR, CTRC) have become known to be associated with acute recurrent and chronic pancreatitis in the last 2 years — Speaker 4
  • 19:31PRSS1 penetrance shows that half of patients would get chronic pancreatitis, not everybody — Speaker 4
  • 19:56Heterozygous CFTR mutations by themselves increase the risk for chronic pancreatitis in kids — Speaker 4
  • 20:18The combination of SPINK1 and CFTR mutations carries an almost 800 relative risk of having chronic pancreatitis — Speaker 4
  • 20:56The CF Foundation has an extensive pipeline of small molecules to optimize CFTR function, particularly for atypical mutations — Joe Palermo
  • 22:44There are patients with pancreas divisum who don't develop pancreatitis, suggesting a two-hit or multi-hit hypothesis where additional risk factors increase propensity to develop chronic disease — Speaker 5
  • 24:40Direct pancreatic function testing means directly getting function from the pancreas, not relying on stool testing for fecal elastase — Speaker 4
  • 27:40The endoscopic pancreatic function test protocol uses secretin at 0.2 micrograms per kilogram or CCK at 0.4 micrograms per kilogram, with duodenal aspirates collected every five minutes for three samples — Speaker 4
  • 29:00Pancreatic function can be abnormal if checked around an acute attack — Speaker 4
  • 29:08There is a maturation process of pancreatic function over the first 2 to 3 years of life — Speaker 4
  • 29:53MR pancreatic function testing acquires identical imaging both prior to and following secretin administration, with about 15 minutes between pre and post imaging — Andrew Trout
  • 32:00MR sequences can be thresholded to quantify the volume of fluid secreted in response to secretin by subtracting pre from post measurements — Andrew Trout
  • 34:15In chronic pancreatitis patients with dilated and abnormal ducts at baseline, it is unclear whether secretin is needed to increase conspicuity of the duct — Andrew Trout
  • 36:40Low fat diet, pancreatic enzyme replacement therapy, antioxidants, and steroids have never been shown to prevent recurrent pancreatitis episodes or pancreatic pain episodes — Joe Palermo
  • 39:31A multidisciplinary pain team comprises a pain physician responsible for medical assessment and medication management, a psychologist providing cognitive behavioral therapy and functional assessment, and nurses — Doctor Goldschneider
  • 42:51Cognitive behavioral therapy is the standard state of the art therapy for pain management — Doctor Goldschneider
  • 45:15Opioids should be viewed as a tool for the right patient, with risk assessment, mitigation protocols, informed consent, controlled substance agreements, and prescription history tracking — Doctor Goldschneider

Cases discussed

  • 6:4110-year-old previously healthy male with extensive pancreatic calcifications and chronic pancreatitis discovered incidentally during workup for acute abdominal pain
  • 38:3413-year-old with annular pancreas and chronic pancreatitis scheduled for Whipple procedure, referred for pain management

Open questions

  • What is the actual natural history progression from acute pancreatitis to acute recurrent pancreatitis to chronic pancreatitis in pediatric patients?
  • What factors tip patients from acute recurrent pancreatitis to chronic pancreatitis?
  • How well does quantitative MR pancreatic function testing correlate with endoscopic pancreatic function testing?
  • What are normal MR pancreatic function testing values in pediatric patients, and is there size or weight dependency?
  • Does secretin administration add diagnostic value in patients with already dilated and abnormal pancreatic ducts?
  • Can noninvasive functional testing fully replace endoscopic pancreatic function testing?
  • What are the long-term outcomes of different genetic mutation combinations in pediatric chronic pancreatitis?
  • Can CFTR modulator therapies developed for cystic fibrosis benefit patients with CFTR mutations and pancreatic disease?
This episode was analyzed and enriched by Kai, the Library's AI content creator. Every item links to the moment it comes from — click a timestamp to listen in context.
Written for:

The Ten-Year-Old with Silent Chronic Pancreatitis: When Calcifications Tell the Story

The patient case from this episode, retold from presentation to outcome with the decisions made along the way. Written by Kai from the episode transcript and reviewed before publishing.

For the care team · Case narrative · AI-written, human-reviewed

Presentation

A ten-year-old previously healthy boy arrived at a local emergency department with acute abdominal pain, nausea, vomiting, and lethargy lasting one day 2:54. His initial workup was unremarkable: normal complete blood count, comprehensive metabolic panel, and lipase 2:54. The ED obtained a CT scan to rule out appendicitis 2:54.

What they found instead was extensive calcification throughout the pancreas from the uncinate process to the tail, with an atrophic gland and abnormal contour 2:54. MRI confirmed dilated ducts throughout the pancreas with an intraductal filling defect consistent with a stone 2:54. One of the discussants noted this was a very atypical finding in a previously healthy child 2:54. The imaging showed end-stage chronic pancreatitis in a child who had never been diagnosed with pancreatitis 2:54.

The Hidden History

A closer look at the growth chart revealed the disease had been progressing silently 2:54. The boy had dropped from the 50th percentile at age three to four down to between the 5th and 15th percentile at presentation 2:54. In the three to four weeks before his ED visit, his oral intake had decreased 2:54. These were not acute symptoms — they were the late manifestations of chronic pancreatic failure that no one had recognized 2:54.

The Decision Point

The team faced a diagnostic question that would determine the entire management approach: was this truly chronic pancreatitis requiring lifelong enzyme replacement and surveillance, or could this be an acute process that might resolve? The distinction matters 2:54. Between 7 and 34% of pediatric patients with acute pancreatitis develop recurrent episodes 2:54, but progression to chronic pancreatitis — defined by the combination of clinical presentation and abnormal imaging including ductal irregularities, calcifications, or gland atrophy 3:37 — represents irreversible disease 3:37.

The imaging alone was nearly diagnostic, but the team pursued comprehensive evaluation 2:54. Genetic testing revealed PRSS1 positivity 2:54, an autosomal dominant mutation causing acute pancreatitis in 80% of carriers, chronic pancreatitis in about half, and pancreatic cancer in more than 40% 13:14. Fecal elastase was low on two occasions 2:54. Endoscopic pancreatic function testing — using secretin at 0.2 micrograms per kilogram with duodenal aspirates collected every five minutes 27:40 — showed low amylase and lipase with borderline low trypsin and chymotrypsin 2:54. ERCP demonstrated ductal changes consistent with chronic pancreatitis 2:54.

The hemoglobin A1C and mixed meal test remained normal 2:54, indicating preserved endocrine function despite advanced exocrine failure 2:54.

Management and Reasoning

The diagnosis was definitive: chronic pancreatitis with exocrine pancreatic insufficiency 2:54. The team started pancreatic enzyme replacement therapy 2:54. This was not a preventive measure — interventions like low-fat diet, enzyme therapy, antioxidants, and steroids have not been shown to prevent recurrent pancreatitis episodes or pancreatic pain episodes 36:40. Rather, enzyme replacement addressed the established malabsorption driving his growth failure 2:54.

No surgical or endoscopic intervention was pursued 2:54. The calcifications and ductal changes represented fixed anatomic damage, not reversible obstruction 2:54. The PRSS1 mutation explained why this had happened: the gain-of-function gene sets off recurrent inflammatory cascades with limited triggers 13:14, and in this child, those episodes had occurred subclinically until the pancreas was destroyed 2:54.

Outcome

On enzyme therapy, the boy became pain-free for several months with catch-up growth 2:54. At recent clinic follow-up, he was doing very well 2:54. The enzymes had not prevented further attacks — they cannot — but they had restored his ability to absorb nutrients and grow 2:54.

What the Case Changes

This case demonstrates that chronic pancreatitis in children can progress silently until imaging reveals advanced disease 2:54 3:37. Growth failure may be the only clinical sign 2:54. When a previously healthy child presents with extensive pancreatic calcifications, the disease has been active for years 2:54.

The genetic evaluation was essential 2:54. In the consortium's experience, a substantial proportion of chronic pancreatitis patients tested positive for mutations in PRSS1, SPINK1, CFTR, or CTRC 15:16. Chronic pancreatitis patients were diagnosed earlier with their first attack, had more subsequent attacks, and were more likely to be exocrine insufficient compared to those with acute recurrent pancreatitis 15:45. The CFTR gene was more commonly found in chronic pancreatitis, and patients were more likely to carry two mutations rather than one 15:56.

The distinction between acute recurrent pancreatitis and chronic pancreatitis is not semantic 3:37. Patients can have recurrent episodes without evidence of ductal changes, pancreatic atrophy, or pancreatic function loss 3:37. What tips them over the edge from recurrence to chronicity remains unclear 3:37, but once that line is crossed, the management shifts from preventing attacks to managing the consequences of pancreatic failure 2:54 36:40.

Takeaways from this story

  • Chronic pancreatitis can progress silently in children; growth failure may be the only sign before imaging reveals advanced disease.
  • PRSS1 mutation causes chronic pancreatitis in half of carriers and pancreatic cancer in over 40%, making genetic testing essential.
  • Chronic pancreatitis patients are diagnosed earlier, have more attacks, and are more likely to be exocrine insufficient than those with acute recurrent pancreatitis.
  • Enzyme replacement treats established malabsorption but does not prevent recurrent attacks or progression of disease.
  • Endoscopic pancreatic function testing using secretin with serial duodenal aspirates quantifies exocrine insufficiency directly.

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