Pankreatik Fistüllere Yaklaşım
Özet
Pankreatik fistüller (PF), pankreas kanalları ile vücut içi veya dışı bir yüzey arasında anormal bağlantılar sonucu gelişen ve cerrahi sonrası %5-29 oranında görülebilen komplikasyonlardır. Anatomik olarak internal ve eksternal şeklinde sınıflandırılan bu fistüller, iyatrojenik faktörler veya pankreatit gibi nedenlerle ortaya çıkar. İnternal fistüller karın ağrısı, şişkinlik ve plevral efüzyon gibi semptomlara yol açarken; eksternal fistüller batın yarasından sıvı drenajı, dehidratasyon ve cilt bozulmaları ile karakterizedir. Tanı sürecinde amilaz düzeyi yüksekliği ile BT, MRCP ve ERCP gibi görüntüleme yöntemlerinden yararlanılır. Uluslararası Pankreatik Fistül Çalışma Grubu (ISGPF) kriterlerine göre biyokimyasal kaçak, Evre B ve Evre C olarak evrelendirilen fistüllerin önlenmesinde; hasta beslenmesinin optimizasyonu, kısıtlayıcı sıvı rejimleri ve uygun anastomoz teknikleri kritik rol oynar. Tedavide ilk adım, beslenmenin düzenlenmesi ve somatostatin analoglarını içeren destekleyici tedavidir. Konservatif yaklaşıma yanıt vermeyen, semptomatik veya genişleyen sıvı koleksiyonu olan kalıcı vakalarda ise transpapiller stentleme gibi endoskopik tedaviler, perkütan drenaj veya cerrahi müdahaleler uygulanır.
Pancreatic fistulas (PF) are complications characterized by abnormal communications between the pancreatic ducts and internal or external surfaces, occurring in 5-29% of cases after pancreatic surgery. Classified anatomically as internal or external, these fistulas stem from iatrogenic causes or conditions like pancreatitis. Internal fistulas lead to symptoms such as abdominal pain, bloating, and pleural effusion, whereas external fistulas are marked by fluid drainage from surgical wounds, dehydration, and skin breakdown. Diagnosis relies on elevated amylase levels in the fluid along with imaging modalities like CT, MRCP, and ERCP. Graded as biochemical leak, Grade B, or Grade C per the International Study Group on Pancreatic Fistula (ISGPF) criteria, their prevention heavily depends on nutritional optimization, restrictive fluid regimens, and precise anastomotic techniques. The primary management consists of supportive care, including nutritional modifications and somatostatin analogues. For persistent, symptomatic, or expanding fluid collections non-responsive to conservative approaches, secondary interventions such as endoscopic transpapillary stenting, percutaneous drainage, or surgical repairs are indicated.
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