Obstructive jaundice and coagulation disturbances

Pavlidis ET, Pavlidis TE. Pathophysiological consequences of obstructive jaundice and perioperative management. Hepatobiliary Pancreat Dis Int. 2018 Feb;17(1):17-21.

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“Proper management includes full replacement of water and electrolyte deficiency, prophylactic antibiotics, lactulose, vitamin K and fresh frozen plasma, albumin and dopamine. The preoperative biliary drainage has not been indicated in overall, but only in a few selected cases.”

“The coagulation disorders and the resulting hemostasis impairment have been attributed to the complement activation by endotoxin as well as to the reduced synthesis of prothrombin (factor II) in the liver and the other vitamin K depended coagulation factors i.e. VII, IX, X and proteins C, S, Z. The absence of bile salts in the gut prevents the absorption of vitamin K, which is a fat-soluble vitamin. In addition, the endogenous microbial flora produces small amounts of vitamin K. Subsequently the reduced vitamin K absorption results in its deficiency. The latter predisposes to bleeding diathesis, despite the normal laboratory indices such as prothrombin time (PTT) and international normalized ratio (INR). Likewise, the other fat-soluble vitamin D and lipids absorption is diminished resulting in their deficiency and calcium reduction.” (Pavlidis, et al., p. 19.)

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Pancreaticoduodenectomy in patients with previous Roux-en-Y gastric bypass

Shah MM, Martin BM, Stetler JL, Patel AD, Davis SS, Sarmiento JM, Lin E. Reconstruction Options for Pancreaticoduodenectomy in Patients with Prior Roux-en-Y Gastric Bypass. J Laparoendosc Adv Surg Tech A. 2017 Nov;27(11):1185-1191.

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“In summary, of the 13 patients that have been described in the literature who underwent PD after RYGB, 7 (54%) of these patients underwent reconstruction, similar to our preferred approach (Fig. 2), which involved remnant gastrectomy with the BP limb forming the BP anastomoses. Overall, 8 (61.5%) of the 13 patients had remnant gastrectomy. Five patients did not have a remnant gastrectomy. There are 10 patients in the literature where the surgeon attempted resecting the gastric remnant, and 8 (80%) of these patients had successful remnant gastrectomy. However, based on the published literature, this is clearly a small sampling of what might have actually been performed. We have had three such patients where we performed PD in patients with prior RYGB (similar to Fig. 2a). In all patients, we had adequate BP limb length for the anastomoses. The patients had early recovery of bowel function and were discharged from the hospital on or before postoperative day 5 without any significant complications. Continue reading

Liver hanging maneuver: an anatomic and clinical review.

Gaujoux S, et al. Liver hanging maneuver: an anatomic and clinical review. Am J Surg. 2007 Apr;193(4):488-92.

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“LHM is as an effective and safe method of guiding hepatic transection to the IVC during right hepatectomies with a feasibility rate up to 95% and minor bleeding in 0% to 6% of cases. According to small series and experts’ opinions, LHM would improve parenchymal transection by reducing operative time and blood loss. The tape would ensure a linearly cut surface with IVC safer protection, better exposure, and hemostasis of the deeper plane. Limited remnant liver mobilization could reduce the risk for malignant dissemination and improve liver function. Hepatectomies for huge tumor with diaphragm adhesions could be facilitated.”

Glissonian approach during hepathectomy

Chapuis-Roux E, et al. Glissonian approach during hepathectomy (with video). J Visc Surg. 2015 Jun;152(3):199-200.

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“To facilitate liver resection, a technique of glissonian approach was developed [2]. The glissonian approach during hepatectomy is a selective vascular clamping procedure reproducible requiring preoperative imaging data study and intraoperative ultrasound Doppler [3] and permeability with US air test [4]. In practice, this approach is feasible in about 80% of patients due to portal anatomical abnormalities.”

Delayed gastric emptying after Whipple procedure

Mirrielees JA, et al. Pancreatic Fistula and Delayed Gastric Emptying Are the Highest-Impact Complications After Whipple. J Surg Res. 2020 Jun;250:80-87.

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Results: About 10,922 patients undergoing pancreaticoduodenectomy were included for analysis. The most common postoperative complications were DGE (17.3%), POPF (10.1%), incisional SSI (10.0%), and organ/space SSI (6.2%). POPF and DGE were the only complications that demonstrated sizable effects for all clinical and resource utilization outcomes studied. Other complications had sizable effects for only a few of the outcomes or had small effects for all the outcomes.

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Bile Cultures are Poor Predictors of Antibiotic Resistance in Postoperative Infections Following Pancreaticoduodenectomy

Maxwell DW, Jajja MR, Ferez-Pinzon A, Pouch SM, Cardona K, Kooby DA, Maithel SK, Russell MC, Sarmiento JM. Bile cultures are poor predictors of antibiotic resistance in postoperative infections following pancreaticoduodenectomy.HPB (Oxford). 2019 Oct 26:S1365-182X(19)30756-7.

Results: Common patient characteristics of 522 included patients were 65-years-old, Caucasian (75.5%), male (54.2%), malignant indication (79.3%), and preoperative biliary stent (59.0%). Overall, 275 (89.6%) BCs matured identifiable isolates with 152 (55.2%) demonstrating polymicrobial growth. Ninety-two (17.6%) SOICs were obtained: 48 and 44 occurred in patients with and without intraoperative BCs. Stents were associated with bacteriobilia (85.7%, K = 0.947, p < 0.001; OR 22.727, p < 0.001), but not postoperative infections (15.2%; K = 0.302, p < 0.001; OR 1.428, p = 0.122). Forty-eight patients demonstrated paired BC/SOICs to evaluate. Pathogenic concordance of this group was 31.1% (K = 0.605, p < 0.001) while SRP concordance of matched pathogens was 46.7% (K = 0.167, p = 0.008).

Conclusion: Bile cultures demonstrate poor concordance with the susceptibility/resistance patterns of postoperative infections following pancreaticoduodenectomy and may lead to inappropriate antibiotic therapies.

Smoking and pancreatic disease

Yadav D, Hawes RH, Brand RE, et al. Alcohol consumption, cigarette smoking, and the risk of recurrent acute and chronic pancreatitis. Arch Intern Med. 2009 Jun 8; 169(11):1035-45.

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Chronic pancreatitis_smoking

Figure 3. Distribution of self-reported smoking status (A) and amount (B) stratified by drinking categories. All proportions are based on effective numbers, and never smokers account for the proportions not reflected in the graphs. C indicates control group; CP, chronic pancreatitis group; RAP, recurrent acute pancreatitis group.

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The timing of surgical intervention in chronic pancreatitis

Issa Y, Kempeneers MA, Bruno MJ, et al. Effect of Early Surgery vs Endoscopy-First Approach on Pain in Patients With Chronic Pancreatitis: The ESCAPE Randomized Clinical Trial. JAMA. 2020 Jan 21;323(3):237-247.

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Results: Among 88 patients who were randomized (mean age, 52 years; 21 (24%) women), 85 (97%) completed the trial. During 18 months of follow-up, patients in the early surgery group had a lower Izbicki pain score than patients in the group randomized to receive the endoscopy-first approach group (37 vs 49; between-group difference, -12 points [95% CI, -22 to -2]; P = .02). Complete or partial pain relief at end of follow-up was achieved in 23 of 40 patients (58%) in the early surgery vs 16 of 41 (39%)in the endoscopy-first approach group (P = .10). The total number of interventions was lower in the early surgery group (median, 1 vs 3; P < .001). Treatment complications (27% vs 25%), mortality (0% vs 0%), hospital admissions, pancreatic function, and quality of life were not significantly different between early surgery and the endoscopy-first approach.

Conclusions and relevance: Among patients with chronic pancreatitis, early surgery compared with an endoscopy-first approach resulted in lower pain scores when integrated over 18 months. However, further research is needed to assess persistence of differences over time and to replicate the study findings.

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