Pancreatitis is a medical condition characterized by the inflammation of the pancreas, a vital gland located behind the stomach that produces digestive enzymes and hormones like insulin 1. The condition primarily occurs in two main forms: acute and chronic. Acute pancreatitis is a sudden, short-term inflammation that is most often triggered by gallstones or heavy alcohol consumption 2. While it can be mild, severe cases may become life-threatening without prompt care. In contrast, chronic pancreatitis is a progressive, long-lasting disease where repeated inflammation leads to permanent organ damage, tissue scarring, and a loss of normal digestive function 3. Both forms frequently present with severe upper abdominal pain that can radiate to the back, accompanied by nausea and vomiting. Medical evaluation is critical, as treatment typically requires hospitalization, intravenous fluids, pain management, and addressing the underlying cause to prevent further complications.
Causes of Pancreatitis
1. Gallstones (Cholelithiasis)
Obstruction of the pancreatic duct by gallstones is the leading cause of acute pancreatitis worldwide, initiating acinar cell injury and inflammation.
2. Alcohol Consumption
Heavy and prolonged alcohol intake is a primary etiology that can sensitize the pancreas to other co-factors, precipitating both acute and chronic pancreatitis.
3. Infections
Specific microorganisms, including viruses (e.g., mumps, Coxsackie B, hepatitis, HIV), bacteria (e.g., Mycoplasma pneumoniae), and parasites (e.g., Ascaris lumbricoides), are estimated to account for approximately 10% of acute cases.
4. Medications and Toxins
Various pharmacological agents—such as azathioprine, 6-mercaptopurine, valproate, and thiazide diuretics—can induce pancreatic injury, typically diagnosed once other etiologies are ruled out.
5. Hypertriglyceridemia
Markedly elevated serum triglycerides are a recognized and established cause of acute pancreatic inflammation.
6. Genetic Mutations
Hereditary predispositions, including mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) or the cationic trypsinogen gene, can lead to recurrent or chronic pancreatitis.
7. Metabolic Disorders
Hypercalcemia, frequently occurring secondary to hyperparathyroidism, can trigger the disease process.
8. Structural Anomalies and Obstructions
Benign or malignant strictures, tumors, and congenital anomalies like pancreas divisum can obstruct the main pancreatic duct and initiate inflammation.
9. Trauma and Ischemia
Physical trauma to the abdomen, diminished blood flow (ischemia), or mechanical obstruction can provoke the premature intracellular activation of digestive enzymes.
10. Tobacco Smoking
Smoking acts as an independent risk factor that increases susceptibility to both non-biliary acute pancreatitis and chronic pancreatitis.
11. Autoimmune Conditions
Autoimmune processes can selectively attack pancreatic tissue, leading to the development of autoimmune chronic pancreatitis.
12. Idiopathic
In a subset of patients, no distinct underlying cause can be identified despite comprehensive clinical and diagnostic investigation.
Symptoms of Pancreatitis
- Severe pain in the upper abdomen
- Abdominal pain that radiates to the back
- Swollen or tender abdomen
- Nausea
- Vomiting
- Fever
- Rapid heartbeat
- Indigestion
- Unintentional weight loss
- Oily, foul-smelling stools (steatorrhea)
- Diarrhea 4, 5, 6, 7