Background: Pancreatogenic splenic pseudocysts are a relatively rare condition. Intra-splenic localization is of the splenic pseudocysts is dangerous because of the possibility of massive haemorrhage and organ rupture. Aim: To analyse our experience in the diagnosis and treatment of pancreatogenic pseudocysts of the spleen. Materials and Methods: The analysis of the short and long-term results of treatment of the 34 patients with pancreatogenic splenic pseudocysts (extrapancreatic localization) (1985-2019) was performed. In the study, the majority of male patients - 88.2%, the age of patients was 45 ± 7 years. Results: Percutaneous drainage under US-control was performed in 11 (32.4%) patients, distal pancreatic resection with splenectomy was performed in 23 (67.6%) in the cases of pancreatic tail calcific pancreatitis. In all cases of percutaneous treatment, a high level of amylase was found in the fluid from pseudocysts. Bacteriological confirmation of the growth of any bacteria in the content was not obligatory. Suppuration of the fluid of the pseudocyst was observed in 85.3% of the cases. Conclusion: Pancreatogenic pseudocysts of the spleen are one of the complications of destructive pancreatitis. They can remain undiagnosed for a long time, become infected and aggravate the course of the disease. They are often the cause of the development of sepsis and peritonitis due to the rupture of the organ capsule and bleeding into the abdominal cavity. The use of percutaneous minimally invasive methods of treatment for intra-organ pancreatogenic pseudocysts makes it possible to improve the results of treatment in this group of patients, and also, in the optimal case, be the final method of treatment.
From modern positions, removal of the spleen is undesirable due to the risk of post-splenectomy syndrome development, where first of all, the clinical manifestations of the syndrome of suppressive post-splenectomy infections are taken into account, which justifies either performing organ-preserving surgical interventions on the spleen, or heterotopic autotransplantation of spleen tissue. Spleen resection is accompanied by significant blood loss, both during the intervention and in the postoperative period. The various methods of prevention of bleeding (clips, coagulation instruments, local hemostatics, etc.) are not always effective. Currently, there have been reports of the possibility of using radiofrequency ablation (RFA) in interventions on the spleen. The literature data and own 10 observations of spleen resection with the use of RFA in patients with focal organ lesions are presented. All described in literature technologies use the Rita® device for RF destruction and the corresponding attachment, which consists of 4 needle active electrodes. The spleen parenchyma is "burned" blindly, and the organ parenchyma is divided in the middle, between the treated injections. A new technique for performing spleen resection using radiofrequency ablation has been proposed at A.V. Vishnevsky National Medical Research Center of Surgery. The essence of our proposed method for minimizing blood loss during spleen resection is as follows: RFA-exposure is carried out along the zone of organ ischaemia under the control of ultrasound. For RFA, we used a Radionics Cool-Tip® Ablation System and a set of water-cooled electrodes (MEDTRONIC, USA). The features of the surgical intervention are noted. No bleeding was noted either intraoperatively or in the postoperative period in any case. A comparative analysis of the results of various methods of organ-saving surgical treatment is presented.
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