of acute pancreatitis was derived over 20 years ago.1 It attempted to provide a common termi‑ nology and to define the severity of the disease. The Revised Atlanta classification of acute pancreatitis is an international multidisciplinary classification of It was initially revised in and then further updat. The. “acute pancreatitis – Rating: Review Atlanta classification and definitions for international consensus” tries to O critério de diagnóstico radiológico.

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These patients may benefit from timely transfer to the intensive care unit or tertiary referral centre. Despite the known limitations of CECT, it still remains the modality critefios choice in view of the recent well defined morphological characteristics by RAC and its wide availability. On a follow-up scan the collection in the panceeatitis anterior pararenal space increased in size. It is characterized by a protracted clinical course, a high incidence of local complications, and a high mortality rate.

As the patient’s condition worsened, a second CT was criyerios on day 3. These images are of a patient who presented with acute severe epigastric pain very suggestive of acute pancreatitis. Transverse mesocolon Small bowel mesentery. At this stage, it is not possible to distinguish between an acute peripancreatic fluid collection and acute necrotic collection.

These studies exemplify the role of infection in determining the outcome of AP. Persistent OF may involve a single or multiple organs and such patients usually have one or more local complications.


The Radiology Assistant : Pancreas – Acute Pancreatitis

It thus seems that EXPN may need to be considered as a separate entity. However, an early CECT may not define precisely the presence and extent of pancreatic and peripancreatic necrosis [ 4 ]. Thus it is not surprising that questions have been raised about the completeness of the RAC. Does it Make a Difference? A recent study by Choi et atlanat.

Thus there is a need to distinguish infected from non-infected necrosis. HPB Oxford ; It has fluid density and a thin enhancing wall. Thus the concept of a biphasic natural course of AP may be questionable [ 7 ]. Diagnosis with spiral CT using rectal water soluble contrast media.

Take home messages Be familiar with the terminology in acute pancreatitis using the Revised Atlanta Classification. In the early phase of the disease, the classification of severity is to be based on the presence or absence of persistent OF and in the late phase, it is to be based on the different morphologic characteristics of local complications evaluated by radiologic imaging and the need for active intervention there of operative, endoscopic, laparoscopic, or percutaneous or other supportive measures such as need for respiratory ventilation or renal dialysisas well as on the presence or absence of persistent OF.

Pseudocyst After 4 weeks in interstitial pancreatitis. Prospective studies on these issues could help us understand the importance of EXPN better. No role for FNA in early collections. Secondly the RAC is based on the concept of a biphasic natural course of AP and uses a different method of classification for the early phase and the late phase of AP [ 4 ]. As more data emerge and the complexities of the spectrum of acute pancreatitis unfold, key concepts are likely to get revised.


Incidence and management of pancreatic and enteric fistulas after surgical management of severe necrotizing pancreatitis. The first CT underestimated the severity of the pancreatitis. Necrosis of only extrapancreatic tissue without necrosis of pancreatic parenchyma less common.

Criterios de atlanta pancreatitis 2012 pdf

J GastroenterolHepatol ; N Engl J Med ; This explains why many of these collections harbor solid necrotic debris. Most persistent fluid collections also contain some necrotic material.

Cytokine cascades result in a systemic inflammatory response syndrome SIRSwhich increases the risk of organ failure. Infection of necrotic pancreatic parenchyma or extrapancreatic fatty tissue – i. However, pajcreatitis definitions of severity and local complications received considerable criticism over the subsequent two decades [ 2 ]. Important remarks concerning Drainage: Experience in diagnosis and treatment of bleedingcomplications in severe acute pancreatitis.

Non-invasive detection of infection in acute pancreatic and acute necrotic collections with diffusion-weighted magnetic resonance imaging: Extensive peripancreatic collections, which have liquid and non-liquid densities on CT.

Here a patient with several homogeneous peripancreatic collections on CT. Unable to process the form.

Deficiencies identified and improved understanding of the disease make a revision necessary. Classification of the Severity pancreatitie Acute Pancreatitis. Classification of the severity of acute pancreatitis: