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Query: UMLS:C0030305 (pancreatitis)
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Infected pancreatic necrosis was diagnosed clinically and radiologically in a patient admitted for acute pancreatitis. As free gas in the pancreatic area was recognized, antibiotic therapy (ceftriaxone) was empirically introduced, while surgical drainage was being planned. After the second week, the patient rapidly started to improve, to the point that he could be discharged home without operation. Control CT-scans and general laboratory tests, at this phase and later on, confirmed a still enlarged gland but free of infection or ongoing inflammation. Cholelithiasis, which had been identified in an early ultrasound scan, was electively treated by cholecystectomy 2 mo after the onset of pancreatitis, in the absence of sepsis, and with uneventful recovery. This case illustrates the rare possibility of spontaneous regression of infected necrotic pancreatitis, without any type of operation or nonoperative drainage.
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PMID:Clinical regression of infected pancreatic necrosis. Case report. 151 60

Acute pancreatitis is in the majority of patients a mild, self-limiting illness. Five to fifteen percent of the patients develop acute necrotizing pancreatitis, a severe illness with a high morbidity and mortality. Secondary infection of the pancreatic necrosis (infected pancreatic necrosis) is the main cause of death. Pancreatic necrosis is identified with a high accuracy by contrast-enhanced computed tomography. The differentiation between sterile and infected necrosis requires demonstration of bacteria or fungi isolated from the necrosis. Surgical treatment of a sterile necrosis remains controversial, but there is a tendency towards conservative non-operative treatment. Infected pancreatic necrosis is regarded as an absolute indication for surgery, untreated the mortality is approximately 100%. The aim of modern treatment is to remove the pancreatic necrosis continuously. This has successfully been done by the open packing method, with or without subsequent drainage. At present no randomized trials comparing the different treatment modalities are available. The question of prophylactic antibiotics still remains unanswered. For the present imipenem 0,5 g x 3 is recommended.
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PMID:[Necrotizing pancreatitis]. 757 Oct 95

Infected pancreatic necrosis is the most lethal form of pancreatic infections. We have compared our results of open packing and closed catheter drainage after surgical debridement in 20 patients between 1978 and 1993. There were 18 men and 2 women, ages 18 to 72 (mean 54 years). Pancreatitis was attributed to alcohol in eight patients, gallstones in four, surgery in four, hyperlipidemia in one, and was unknown in one. The most common infectious organisms were Strep. viridans, E. coli, Staph aureus, and Candida albicans. Surgical debridement and closed catheter drainage without lavage was the initial treatment in nine patients. Seven of 9 (78%) required reoperation for recurrent abscess and necrosis. Procedure related morbidity was 70 per cent and overall mortality was 44 per cent. Sepsis was the cause of death in three patients and multi-system organ failure in one patient. Surgical debridement and open packing was performed in 11 patients. Each patient had scheduled reoperations for repeat debridement and packing an average of 10 times over 21 days. Procedure-related morbidity was 73 per cent and overall mortality was 18 per cent. One patient died of cardiac failure and one of multisystem organ failure. Retroperitoneal hemorrhage and recurrent abscesses were more frequent after closed drainage, whereas gastric fistula and incisional hernia were more frequent after open packing. Ventilator dependence, pancreatic and intestinal fistula, and organ failure occurred at the same rate. In conclusion, surgical debridement and open packing, with planned redebridement and packing, is more effective in controlling the septic process than is closed catheter drainage of infected pancreatic necrosis.
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PMID:Closed drainage versus open packing of infected pancreatic necrosis. 779 43

Infected pancreatic necrosis and sepsis are the leading causes of death in patients with necrotizing pancreatitis. Between 1986 and 1993, 123 patients with infected pancreatic necrosis were treated; in all cases the infected necrosis extended to the retroperitoneal area. Surgical treatment was performed a mean of 18.5 days after the onset of acute pancreatitis. Operative management consisted of wide-ranging necrosectomy through all the affected area, combined with continuous widespread lavage and suction drainage applied for a mean of 39.5 days, with a median of 6.5 litres of normal saline per day. In 56 cases (46 per cent), another surgical intervention (distal pancreatic resection, splenectomy, cholecystectomy, sphincteroplasty or colonic resection) was also performed. Bacteriological findings revealed mainly enteric bacteria, but Candida infection was detected in 21 per cent of patients. The overall hospital mortality rate was 7 per cent (nine patients died). Infected pancreatic necrosis responds well to aggressive surgical treatment, continuous, long-standing lavage and suction drainage, together with supportive therapy combined with adequate antibiotic and antifungal medication.
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PMID:Surgical strategy and management of infected pancreatic necrosis. 881 77

Infected pancreatic necrosis is a devastating and lethal complication of acute pancreatitis. Late death is usually a result of sepsis. W.A. Altemeier and J.W. Alexander established in 1963 that open drainage of the necrotic pancreas is mandatory for survival (Arch Surg 1963;87:96-105). In 1981, E.D. Davidson and E.L. Bradley III concluded that "marsupialization" is the most effective method of open drainage (Surgery 1981;89:252-6). At our institution, we have a series of 10 patients who have undergone marsupialization for treatment of infected pancreatic necrosis. Our mortality rate was 30 per cent. One death resulted from sepsis after an infected necrotic pancreas was found with a colonic anastomotic leak at emergency exploratory celiotomy. Of note, further debridement was not performed. A second death occurred in a female with idiopathic pancreatitis and leukocytopenia, and we are uncertain whether that played a role in the failure of surgical intervention. The third death was in a young alcoholic with hyperlipidemia and severe pancreatitis who was septic 8 days before surgery. The patient died on postoperative day 1. Of the survivors, some were old, many were septic, and all but one returned for further debridement. Our series supports open debridement of infected pancreatic necrosis as a life-saving maneuver and marsupialization as an effective means of open drainage.
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PMID:Marsupialization of the pancreas for infected pancreatic necrosis. 903 96

There is some evidence that the incidence of acute pancreatitis is increasing worldwide. Improved treatment concepts, especially in the severe course of the disease, have significantly reduced formerly high mortality. According to the different clinical courses it is of the utmost importance for the therapeutic approach to this disease to differentiate between mild (morphologically characterized as edema) and severe (intra- and extrapancreatic necroses) as early as possible. In this respect, contrast-enhanced CT scanning and the determination of so-called necrosis indicating parameters (e.g. C-reactive protein) have been established as the "gold-standard". While patients with acute edematous pancreatitis are successfully treated in a normal ward, patients with a proven necrotizing course of the disease should undergo intensive monitoring and maximum intensive care therapy in the ICU. Additionally, these latter patients should receive antibiotics which are capable of penetrating the pancreas and the pancreatic necroses in bactericidal concentrations. It seems more and more evident that only patients under this treatment regimen who develop infected pancreatic necrosis and sepsis are candidates for surgical intervention. Infected pancreatic necrosis can be easily diagnosed with a high level of safety and reliability by fine needle puncture and aspiration of pancreatic necrosis and fluid collections under imaging-guided procedures. Patients with sterile necrosis respond in most cases to intensive care therapy and in these patients the indication for surgery will be only exceptional. Surgery should be performed as late as possible to ensure sufficient demarcation of the necroses. In our experience the best surgical treatment modality for infected pancreatic necrosis is necrosectomy combined with postoperative continuous local lavage of the retroperitoneum. Mortality of severe acute pancreatitis has been reduced under this treatment concept to below 10%.
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PMID:[Surgical therapy of severe acute pancreatitis]. 924 82

Infected pancreatic necrosis and sepsis are the leading causes of mortality in necrotizing pancreatitis. A review has been undertaken of the results of the past two decades relating to different surgical treatments of infected pancreatic necrosis. During the period 1978-85, the surgical treatment of necrotizing pancreatitis and its complications in our department consisted of the 'conventional' therapy (resection of the involved pancreatic tissue, or necrosectomy and drainage) in 61 patients, with a mortality rate of 36% (22 patients died). Since 1986, we have performed necrosectomy and other surgical interventions combined with continuous widespread lavage in 142 patients with infected pancreatic necrosis. The overall mortality decreased significantly to 6.3% (9 patients died). This result was achieved by means of aggressive surgical treatment, continuous, prolonged washing and suction drainage and supportive therapy, including immunonutrition, modifying the cytokine production and adequate antibiotic and antifungal medication. This surgical strategy provides the possibility for recovery in cases of necrotizing pancreatitis with septic complications.
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PMID:Progress in the management and treatment of infected pancreatic necrosis. 986 10

Infected pancreatic necrosis and pancreatic abscesses are severe complications of necrotizing pancreatitis. Compared to infected necrosis, pancreatic abscess is associated with lower mortality. Surgical treatment is the current standard. Necrosectomy is performed as a single-step operation in combination with postoperative drainage/lavage or as scheduled reoperation. In selected cases, pancreatic abscesses can be successfully drained by percutaneous interventional drainage. Mortality in infected necrosis is 20-30% and 5-10% in patients with pancreatic abscess.
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PMID:[Infected necroses and pancreatic abscess: surgical therapy]. 1182 63

Acute pancreatitis is a disease capable of the widest clinical expression, ranging from mild discomfort to multiorgan failure and death. Moreover, the process may remain localized in the pancreas, or spread to regional tissues, or even involve remote organs. Despite several efforts, the pathophysiology of acute pancreatitis and its complications remains obscure. In the absence of an understanding of the pathogenesis and the reasons for the variations in severity, the study and management of acute pancreatitis has necessarily been empirical. There is little doubt that the development of pancreatic necrosis in patients with acute pancreatitis results in an increase in clinical severity and an escalation of the mortality risk when compared to interstitial pancreatitis. Furthermore, the mortality risk of patients with sterile pancreatic necrosis is markedly different from that of patients developing secondary infections in pre-existing pancreatic necrosis. Infected pancreatic necrosis is uniformly fatal, if untreated. While most authorities agree that surgical debridement is required for survival in patients with secondary pancreatic infections, the precise form of the subsequent drainage has become a matter of some controversy. In this paper we discuss the most recent insights relating to the nosographical classification of pancreatic necrosis and secondary pancreatic infections, along with an analysis of the findings in the literature regarding the surgical treatment of these conditions.
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PMID:[Treatment of pancreatic necrosis and secondary pancreatic infections]. 1223 54

During 2002 the International Association of Pancreatology developed evidenced-based guidelines on the surgical management of acute pancreatitis. There were 11 guidelines, 10 of which were recommendations grade B and one (the second) grade A. (1) Mild acute pancreatitis is not an indication for pancreatic surgery. (2) The use of prophylactic broad-spectrum antibiotics reduces infection rates in computed tomography-proven necrotizing pancreatitis but may not improve survival. (3) Fine-needle aspiration for bacteriology should be performed to differentiate between sterile and infected pancreatic necrosis in patients with sepsis syndrome. (4) Infected pancreatic necrosis in patients with clinical signs and symptoms of sepsis is an indication for intervention including surgery and radiological drainage. (5) Patients with sterile pancreatic necrosis (with negative fine-needle aspiration for bacteriology) should be managed conservatively and only undergo intervention in selected cases. (6) Early surgery within 14 days after onset of the disease is not recommended in patients with necrotizing pancreatitis unless there are specific indications. (7) Surgical and other forms of interventional management should favor an organ-preserving approach, which involves debridement or necrosectomy combined with a postoperative management concept that maximizes postoperative evacuation of retroperitoneal debris and exudate. (8) Cholecystectomy should be performed to avoid recurrence of gallstone-associated acute pancreatitis. (9) In mild gallstone-associated acute pancreatitis, cholecystectomy should be performed as soon as the patient has recovered and ideally during the same hospital admission. (10) In severe gallstone-associated acute pancreatitis, cholecystectomy should be delayed until there is sufficient resolution of the inflammatory response and clinical recovery. (11) Endoscopic sphincterotomy is an alternative to cholecystectomy in those who are not fit to undergo surgery in order to lower the risk of recurrence of gallstone-associated acute pancreatitis. There is however a theoretical risk of introducing infection into sterile pancreatic necrosis. These guidelines should now form the basis for audit studies in order to determine the quality of patient care delivery.
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PMID:IAP Guidelines for the Surgical Management of Acute Pancreatitis. 1243 71


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