The pancreas is a dual-function organ located retroperitoneally in the upper abdomen, nestled behind the stomach. It plays a vital role in both digestion and blood sugar regulation through its distinct exocrine and endocrine tissues.
Acute pancreatitis is a sudden inflammation of the pancreas marked by the premature activation of digestive enzymes inside the organ itself. Instead of waiting to digest food in the intestine, these enzymes begin digesting the pancreatic tissue, leading to localized inflammation, vascular damage, and necrosis.
Pancreatic inflammation presents with distinct clinical signs that vary depending on whether the condition is sudden or long-standing. Severe upper abdominal pain is the hallmark symptom in both forms, though the underlying tissue changes differ significantly.
| Feature | Acute Pancreatitis | Chronic Pancreatitis |
|---|---|---|
| Pain Character | Sudden, severe, constant epigastric pain radiating to the back | Recurrent, gnawing epigastric pain lasting hours or days |
| Systemic Signs | Fever, nausea, vomiting, tachycardia, jaundice | Weight loss, malnutrition, persistent steatorrhea |
| Endocrine Impact | Transient hyperglycemia during acute attacks | Permanent diabetes mellitus due to tissue destruction |
Diagnosing pancreatic disorders requires a combination of blood work, imaging studies, and clinical assessment. Laboratory tests focus on elevated pancreatic enzymes leaking into the bloodstream, while imaging visualizes structural changes and blockages.
Nursing care for acute pancreatitis centers on resting the pancreas, managing severe pain, and maintaining hemodynamic stability. Because food stimulates pancreatic enzyme secretion, the traditional approach involved keeping patients NPO, though early enteral nutrition via a nasojejunal tube is increasingly favored when tolerated.
Intravenous fluid resuscitation is crucial to prevent hypovolemic shock caused by third-spacing of fluids into the retroperitoneal space. Nurses must closely monitor vital signs, strict input and output, and serum electrolyte levels, particularly calcium, as saponification of fats can lead to hypocalcemia during severe attacks.
Pancreatic cancer, most commonly adenocarcinoma arising from the exocrine cells of the ductal system, carries a poor prognosis due to its late presentation and aggressive nature. Symptoms often mimic other gastrointestinal disorders during early stages, leading to delayed diagnosis.
Surgical resection offers the only potential cure for localized pancreatic cancer, though it is only an option for a small percentage of patients whose tumors have not metastasized or invaded major blood vessels. The standard operation for tumors located in the head of the pancreas is the pancreaticoduodenectomy, commonly known as the Whipple procedure.
This complex surgery involves removing the head of the pancreas, the duodenum, a portion of the common bile duct, the gallbladder, and occasionally part of the stomach. The remaining pancreas, bile duct, and stomach are then reconnected to the jejunum to restore digestive tract continuity.
Postoperative care following pancreatic surgery requires vigilant monitoring for life-threatening complications. The most feared surgical complication is pancreatic fistula leakage from the anastomosis site, which can lead to localized infection, sepsis, and erosion into nearby blood vessels.
Nurses must monitor surgical drains for volume and character, maintaining strict patency without aggressive flushing. Additional nursing priorities include managing blood glucose levels due to decreased insulin production, assessing bowel sounds for the return of peristalsis, and administering prescribed pancreatic enzyme replacement therapy with meals.