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A pilot study of EUS-guided hot saline injection for induction of pancreatic tissue necrosis

Imazu, H. ; Sumiyama, K. ; Ikeda, K. ; Uchiyama, Y. ; Aihara, H. ; Kakutani, H. ; Kaise, M. ; Ang, T. L. ; Omar, S. ; Tajiri, H.

Endoscopy, 2009-07, Vol.41 (7), p.598-602 [Periódico revisado por pares]

Stuttgart: Thieme

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Título:
A pilot study of EUS-guided hot saline injection for induction of pancreatic tissue necrosis
Autor: Imazu, H. ; Sumiyama, K. ; Ikeda, K. ; Uchiyama, Y. ; Aihara, H. ; Kakutani, H. ; Kaise, M. ; Ang, T. L. ; Omar, S. ; Tajiri, H.
Assuntos: Animals ; Biological and medical sciences ; Digestive system. Abdomen ; Endoscopy ; Endosonography ; Feasibility Studies ; Hyperthermia, Induced - methods ; Injections, Intralesional ; Investigative techniques, diagnostic techniques (general aspects) ; Medical sciences ; Necrosis - etiology ; Necrosis - pathology ; Original article ; Pancreas - pathology ; Pilot Projects ; Sodium Chloride - administration & dosage ; Swine
É parte de: Endoscopy, 2009-07, Vol.41 (7), p.598-602
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Hot saline may be potentially useful for inducing necrosis of pancreatic tissue. However, the local and systemic effects are largely unknown. This pilot study aimed to evaluate the feasibility and safety of EUS-guided injection of hot saline into the pancreas in the porcine model. Boiling hot saline was injected into the tail of normal porcine pancreas under EUS guidance in six pigs via a transgastric approach. Three pigs were killed 4 hours later to study the acute effect of the hot saline injection (acute study). The remaining three pigs were killed after 7 days of clinical observation (survival study). Injection of 5 mL, 2 mL and 1 mL of hot saline produced localized necrosis (7 - 10 mm) of pancreatic tissue in the acute study. However, there was pooling of hot saline on the surface of the pancreas when 5mL was injected. On the basis of the results of the acute study, the volume of hot saline injected in the survival study was 1 mL. One milliliter of hot saline produced localized or sporadic necrosis of pancreatic tissue without any signs of pancreatitis in all three pigs in the survival study; hot saline was observed to pool on the pancreatic surface of one pig. There was no histological evidence of necrosis in the pancreatic tissue adjacent to the pooled hot saline in either the acute or the survival study. EUS-guided hot saline injection of pancreatic tissue in the porcine model was technically successful and led to localized necrosis of pancreatic tissue without any sign of pancreatitis.
Editor: Stuttgart: Thieme
Idioma: Inglês

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A pilot study of EUS-guided hot saline injection for induction of pancreatic tissue necrosis

Imazu, H. ; Sumiyama, K. ; Ikeda, K. ; Uchiyama, Y. ; Aihara, H. ; Kakutani, H. ; Kaise, M. ; Ang, T. L. ; Omar, S. ; Tajiri, H.

Stuttgart: Thieme

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