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To assess the ratio of non-red blood cell to red blood cell components required to avoid coagulopathy when transfusing large amounts of salvaged blood using laboratory test–guided therapy. Retrospective cohort study. Single-center, academic hospital. Thoracoabdominal and abdominal open aortic surgery patients. Thirty-eight patients in whom at least 1,000 mL of salvaged red blood cells were transfused were identified and divided into the following 2 cohorts: 1,000-to-2,000 mL of salvaged red blood cells (high dose) (n = 20) and >2,000 mL of salvaged red blood cells (ultra-high dose) (n = 18). Compared with the high-dose cohort, the ultra high-dose cohort received ∼4 times more salvaged red blood cells (1,240 ± 279 mL v 5,550 ± 3,801 mL). With transfusion therapy guided by intraoperative coagulation tests and thromboelastography, the adjusted ratio of non-red blood cell to red blood cell components (plasma + platelets + cryoprecipitate:allogeneic + salvaged red blood cells) was 0.59 ± 0.66 in the high-dose and 0.93 ± 0.27 in the ultra high-dose cohorts. Multiple coagulation parameters were normal and similar between cohorts at the end of surgery, as determined by the mean, median, and 95% confidence intervals. When transfusing large volumes of salvaged blood, it is important to balance the ratio between non-red blood cell and red blood cell components. Through a laboratory test–guided approach, coagulopathy was not detected when transfusing blood in ratios of approximately 1:2 for patients receiving 1,000-to-2,000 mL of salvaged blood and 1:1 for patients receiving >2,000 mL of salvaged blood. [ABSTRACT FROM AUTHOR]

• Peritoneal carcinomatosis (PC) of pancreatic origin is associated with poor prognosis and typically managed palliatively. • We present a case of a 67-year-old female with widespread PC from a primary pancreatic tumor. • She was managed surgically with cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). • At 48 months post CRS and HIPEC, she remains clinically well with no signs of tumor recurrence. Cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC) is a well-established procedure commonly employed in the management of peritoneal carcinomatosis (PC) from tumors of various specific origins. However, it is not traditionally used in the management of PC of pancreatic origin due to various reasons, including the aggressive nature of pancreatic tumors. A 67-year-old female presented with a large amount of intractable malignant ascites. Computed tomography (CT) imaging showed a nodule in the right paracolic gutter. A diagnostic laparoscopy and omental biopsy showed a well-differentiated adenocarcinoma of pancreatic origin. She was initially not considered suitable for CRS and HIPEC due to apparent liver metastases on CT imaging and was arranged to undergo palliative chemotherapy; however, due to her large amount of refractory ascites and a suspected ruptured right krukenberg tumor, surgical intervention was offered. We performed CRS, bilateral salpingo-oophorectomy, and an omentectomy with a CC (completeness of cytoreduction) score of 1. HIPEC with mitomycin C was also administered. Notably, our patient remains clinically well at 48-months post CRS and HIPEC, with no signs or symptoms suggestive of tumor recurrence. Despite the current lack of evidence supporting the use of CRS and HIPEC in the curation of PC of pancreatic origin, this case report highlights the importance of patient selection in determining suitability for CRS. In the presence of positive prognostic factors and favorable tumor histology, CRS and HIPEC is a potential curative procedure that could be offered to highly selected patients presenting with PC from a primary pancreatic malignancy. [ABSTRACT FROM AUTHOR]