Chronic Pancreatitis

Updated: October 16, 2024

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Background

Chronic Pancreatitis is a long-term inflammation of pancreas causes irreversible damage to structure and function. 

Chronic inflammation may result in abdominal pain and impaired pancreatic functions. Pancreatitis causes loss of enzyme production and hormonal issues. 

Acute pancreatitis patients recover fully, while chronic pancreatitis shows irreversible chronic inflammation with fibrosis and calcification. 

Chronic pancreatitis shows abdominal pain with normal/mildly high pancreatic enzymes. Loss of pancreas function leads to diabetes and steatorrhea. 

The pancreas is a glandular organ located behind the stomach. Exocrine function creates digestive enzymes to break down nutrients in intestines. 

Endocrine function regulates blood sugar with insulin and glucagon hormones. 

Epidemiology

Approximately 87,000 annual pancreatitis cases occur in the United States while global hospital admissions data show similar frequency. 

Hospitalization rates is 3 times higher for black people in US, but males are more affected in studies. 

Hospitalization rates for chronic pancreatitis differ as per sex. Rates for male’s peak at 45 to 54 years old and decline, while female rates plateau after 35 years old. 

Alcohol-induced illness is more common in males, while idiopathic and hyperlipidemic-induced pancreatitis is more common in females.

Anatomy

Pathophysiology

Injury triggers pancreatic fibrogenesis through growth factors, cytokines, and chemokines. This result occurs in extracellular matrix deposition and fibroblast proliferation. 

TGF-beta from pancreatic injury enhances growth of mesenchymal cells in the area. Pancreas loses ability to secrete enzymes and bicarbonate due to fibrosis in acini and ducts. 

Alcohol and toxins cause oxidative stress, inflammation, and cell damage. Reactive oxygen in pancreas activates stellate cells. 

Etiology

The causes of chronic pancreatitis are: 

Alcohol Abuse 

Genetic Factors 

Gallstones 

Autoimmune Pancreatitis 

Hypercalcemia and Hypertriglyceridemia

Genetics

Prognostic Factors

Chronic pancreatitis patients have a 70% at 10-year and a 45% at 20-year survival rate. An international study found a standard mortality ratio of 3.6. 

Pseudocyst forms from pancreatic juice surrounded with fibrous tissue due to acute, chronic pancreatitis or trauma. 

Pseudocysts in various sizes, numbers, and locations, some outside the pancreas and connect to the pancreatic ductal system with digestive enzymes. 

Diabetes and malnutrition in patients can be improved with early diagnosis and lifestyle changes. 

Clinical History

Collect details including pain, acute episodes, and medical history to understand clinical history of patient.

Physical Examination

Abdominal Examination 

Liver Examination 

Pulmonary Examination 

Age group

Associated comorbidity

Associated activity

Acuity of presentation

Chronic symptoms are: 

Recurrent or persistent abdominal pain, Malabsorption, Diabetes 

Acute symptoms are: 

Severe epigastric pain, Nausea and vomiting, Tenderness on palpation of the upper abdomen 

Differential Diagnoses

Cholangitis 

Acute Cholecystitis 

Chronic Gastritis 

Pancreatic Cancer 

Crohn Disease 

Laboratory Studies

Imaging Studies

Procedures

Histologic Findings

Staging

Treatment Paradigm

Patients with mild pancreatitis receive IV fluids and pain medication continue fasting until symptoms improve. 

Patients with malnutrition or inability to take oral meds after long hospital stay should receive nutritional supplements.  

Severe pancreatitis may lead to critical illness in recurrent or chronic cases. 

Pancreatic duct blockage from strictures or stones leads to increased pressure and pain. Ischemia from compartment syndrome causes pain relieved to decompress the duct. 

Use external enzymes may reduce pancreas-induced pain from food, based on their stimulation hypothesis. 

For severe, intractable pain unresponsive to conventional treatment, consider celiac ganglion blockade to modify afferent sensory nerves.

by Stage

by Modality

Chemotherapy

Radiation Therapy

Surgical Interventions

Hormone Therapy

Immunotherapy

Hyperthermia

Photodynamic Therapy

Stem Cell Transplant

Targeted Therapy

Palliative Care

use-of-non-pharmacological-approach-for-chronic-pancreatitis

Proper nutrition has great importance in pancreatitis patients, particularly those who are undergoing the treatment. 

Alternative pain management approaches like relaxation therapy, acupuncture, and massage can help patient to feel less pain. 

Physical activity and exercise can be a good way to improve the strength, endurance and overall wellness of the patients. 

Proper awareness about chronic pancreatitis should be provided and its related causes with management strategies. 

Appointments with a gastroenterologist and preventing recurrence of disorder is an ongoing life-long effort. 

Use of Analgesics

Acetaminophen: 

It blocks pain impulse generation to inhibit prostaglandin synthesis in CNS. 

Use of Opioid Analgesics

Tramadol: 

It inhibits the ascending pain pathways to change the response to pain. 

Use of Nonsteroidal Anti-Inflammatory Drugs

Naproxen: 

It inhibits inflammatory reactions to decrease the activity of cyclooxygenase. 

Celecoxib: 

It inhibits cyclooxygenase-2 inhibitors during pain and inflammatory stimuli.  

Use of Hormones

Octreotide: 

It consists of an 8-amino acid sequence with the active portion of somatostatin. 

Use of Antidepressants

Clomipramine: 

It prevents uptake of norepinephrine and serotonin in adrenergic neurons. 

Doxepin: 

It inhibits reuptake of serotonin and norepinephrine in CNS.

Use of Pancreatic Enzyme Supplements

Pancrelipase: 

It is non-enteric coated product used to treat pancreatitis pain with a proton pump inhibitor. 

use-of-intervention-with-a-procedure-in-treating-chronic-pancreatitis

Interventional procedures include Endoscopic Retrograde Cholangiopancreatography, Percutaneous Drainage of Pancreatic Pseudocysts, and Celiac Plexus Block.

use-of-phases-in-managing-chronic-pancreatitis

In initial treatment phase, evaluation of history, physical examination and endoscopy test to confirm diagnosis. 

Pharmacologic therapy is effective in the treatment phase as it includes use of analgesics, Nonsteroidal Anti-Inflammatory Drugs, hormones, and antidepressants. 

In supportive care and management phase, patients should receive required attention such as lifestyle modification and surgical intervention. 

The regular follow-up visits with the gastroenterologist are scheduled to check the improvement of patients along with treatment response. 

Medication

 

camostat 

Take a dose of 100 mg orally thrice daily



 
 

Media Gallary

Chronic Pancreatitis

Updated : October 16, 2024

Mail Whatsapp PDF Image



Chronic Pancreatitis is a long-term inflammation of pancreas causes irreversible damage to structure and function. 

Chronic inflammation may result in abdominal pain and impaired pancreatic functions. Pancreatitis causes loss of enzyme production and hormonal issues. 

Acute pancreatitis patients recover fully, while chronic pancreatitis shows irreversible chronic inflammation with fibrosis and calcification. 

Chronic pancreatitis shows abdominal pain with normal/mildly high pancreatic enzymes. Loss of pancreas function leads to diabetes and steatorrhea. 

The pancreas is a glandular organ located behind the stomach. Exocrine function creates digestive enzymes to break down nutrients in intestines. 

Endocrine function regulates blood sugar with insulin and glucagon hormones. 

Approximately 87,000 annual pancreatitis cases occur in the United States while global hospital admissions data show similar frequency. 

Hospitalization rates is 3 times higher for black people in US, but males are more affected in studies. 

Hospitalization rates for chronic pancreatitis differ as per sex. Rates for male’s peak at 45 to 54 years old and decline, while female rates plateau after 35 years old. 

Alcohol-induced illness is more common in males, while idiopathic and hyperlipidemic-induced pancreatitis is more common in females.

Injury triggers pancreatic fibrogenesis through growth factors, cytokines, and chemokines. This result occurs in extracellular matrix deposition and fibroblast proliferation. 

TGF-beta from pancreatic injury enhances growth of mesenchymal cells in the area. Pancreas loses ability to secrete enzymes and bicarbonate due to fibrosis in acini and ducts. 

Alcohol and toxins cause oxidative stress, inflammation, and cell damage. Reactive oxygen in pancreas activates stellate cells. 

The causes of chronic pancreatitis are: 

Alcohol Abuse 

Genetic Factors 

Gallstones 

Autoimmune Pancreatitis 

Hypercalcemia and Hypertriglyceridemia

Chronic pancreatitis patients have a 70% at 10-year and a 45% at 20-year survival rate. An international study found a standard mortality ratio of 3.6. 

Pseudocyst forms from pancreatic juice surrounded with fibrous tissue due to acute, chronic pancreatitis or trauma. 

Pseudocysts in various sizes, numbers, and locations, some outside the pancreas and connect to the pancreatic ductal system with digestive enzymes. 

Diabetes and malnutrition in patients can be improved with early diagnosis and lifestyle changes. 

Collect details including pain, acute episodes, and medical history to understand clinical history of patient.

Abdominal Examination 

Liver Examination 

Pulmonary Examination 

Chronic symptoms are: 

Recurrent or persistent abdominal pain, Malabsorption, Diabetes 

Acute symptoms are: 

Severe epigastric pain, Nausea and vomiting, Tenderness on palpation of the upper abdomen 

Cholangitis 

Acute Cholecystitis 

Chronic Gastritis 

Pancreatic Cancer 

Crohn Disease 

Patients with mild pancreatitis receive IV fluids and pain medication continue fasting until symptoms improve. 

Patients with malnutrition or inability to take oral meds after long hospital stay should receive nutritional supplements.  

Severe pancreatitis may lead to critical illness in recurrent or chronic cases. 

Pancreatic duct blockage from strictures or stones leads to increased pressure and pain. Ischemia from compartment syndrome causes pain relieved to decompress the duct. 

Use external enzymes may reduce pancreas-induced pain from food, based on their stimulation hypothesis. 

For severe, intractable pain unresponsive to conventional treatment, consider celiac ganglion blockade to modify afferent sensory nerves.

Gastroenterology

Proper nutrition has great importance in pancreatitis patients, particularly those who are undergoing the treatment. 

Alternative pain management approaches like relaxation therapy, acupuncture, and massage can help patient to feel less pain. 

Physical activity and exercise can be a good way to improve the strength, endurance and overall wellness of the patients. 

Proper awareness about chronic pancreatitis should be provided and its related causes with management strategies. 

Appointments with a gastroenterologist and preventing recurrence of disorder is an ongoing life-long effort. 

Gastroenterology

Acetaminophen: 

It blocks pain impulse generation to inhibit prostaglandin synthesis in CNS. 

Gastroenterology

Tramadol: 

It inhibits the ascending pain pathways to change the response to pain. 

Gastroenterology

Naproxen: 

It inhibits inflammatory reactions to decrease the activity of cyclooxygenase. 

Celecoxib: 

It inhibits cyclooxygenase-2 inhibitors during pain and inflammatory stimuli.  

Gastroenterology

Octreotide: 

It consists of an 8-amino acid sequence with the active portion of somatostatin. 

Gastroenterology

Clomipramine: 

It prevents uptake of norepinephrine and serotonin in adrenergic neurons. 

Doxepin: 

It inhibits reuptake of serotonin and norepinephrine in CNS.

Gastroenterology

Pancrelipase: 

It is non-enteric coated product used to treat pancreatitis pain with a proton pump inhibitor. 

Gastroenterology

Interventional procedures include Endoscopic Retrograde Cholangiopancreatography, Percutaneous Drainage of Pancreatic Pseudocysts, and Celiac Plexus Block.

Gastroenterology

In initial treatment phase, evaluation of history, physical examination and endoscopy test to confirm diagnosis. 

Pharmacologic therapy is effective in the treatment phase as it includes use of analgesics, Nonsteroidal Anti-Inflammatory Drugs, hormones, and antidepressants. 

In supportive care and management phase, patients should receive required attention such as lifestyle modification and surgical intervention. 

The regular follow-up visits with the gastroenterologist are scheduled to check the improvement of patients along with treatment response. 

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