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World J Clin Oncol. Aug 24, 2025; 16(8): 108928
Published online Aug 24, 2025. doi: 10.5306/wjco.v16.i8.108928
Advances in the prevention and management of postoperative bleeding complications in pancreaticoduodenectomy: Current strategies and future directions precise
Qian Wang, Jia-Yi Xu, Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun 130000, Jilin Province, China
Geng-Geng Liu, Science and Technology Information of Jilin Province, Changchun 130000, Jilin Province, China
Feng Pan, Department of Radiologic Imaging, China-Japan Union Hospital of Jilin University, Changchun 130000, Jilin Province, China
Yan Jiao, Ya-Hui Liu, Department of Hepatobiliary and Pancreatic Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
Qing Liu, Department of Endocrinology and Metabolism, China-Japan Union Hospital of Jilin University, Changchun 130000, Jilin Province, China
ORCID number: Qian Wang (0000-0002-0581-229X); Yan Jiao (0000-0001-6914-7949); Ya-Hui Liu (0000-0003-3081-8156).
Co-corresponding authors: Qing Liu and Ya-Hui Liu.
Author contributions: Wang Q and Liu YH designed the overall concept and outline of the manuscript; Pan F and Xu JY contributed to the discussion and design of the manuscript; Jiao Y and Liu Q contributed to the writing, and editing the manuscript, illustrations, and review of literature; Liu Q and Liu YH have played important and indispensable roles in the manuscript preparation as the co-corresponding authors; all authors have read and approved the final manuscript.
Conflict-of-interest statement: The authors claim no conflicts.
Open Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Ya-Hui Liu, PhD, Department of Hepatobiliary and Pancreatic Surgery, General Surgery Center, The First Hospital of Jilin University, Xinmin Street, Changchun 130021, Jilin Province, China. yahui@jlu.edu.cn
Received: April 27, 2025
Revised: May 20, 2025
Accepted: July 22, 2025
Published online: August 24, 2025
Processing time: 116 Days and 21.9 Hours

Abstract

Postoperative bleeding (POB) is a major complication following pancreaticoduodenectomy (PD), leading to significant morbidity and potential mortality. This minireview focuses on the prevention and management strategies for POB, synthesizing current evidence on surgical techniques, perioperative management, and postoperative interventions. Effective prevention strategies include the use of regional vessel wrapping, optimal pancreatic anastomosis, and meticulous intraoperative hemostasis. Postoperative management strategies, such as early detection using predictive models and advanced imaging, along with endovascular interventions like angiographic embolization and stent graft placement, are essential for timely intervention. Risk factors, including pancreatic texture, anticoagulation therapy, and patient comorbidities, further influence bleeding outcomes. The minireview also identifies gaps in current research and emphasizes the need for prospective randomized controlled trials to establish standardized protocols. Overall, a multidisciplinary approach combining surgical expertise, predictive analytics, and personalized care is essential to improving patient outcomes and minimizing the risk of POB following PD.

Key Words: Postoperative bleeding; Pancreaticoduodenectomy; Prevention strategies; Surgical techniques; Angiographic embolization; Predictive models; Risk factors; Perioperative management; Endovascular interventions

Core Tip: Postoperative bleeding remains a life-threatening complication following pancreaticoduodenectomy (PD). This minireview highlights the latest evidence on prevention strategies, such as regional vessel wrapping and optimal pancreatic anastomosis, as well as effective management techniques, including predictive models, endovascular interventions, and early detection. Addressing patient-specific risk factors, such as pancreatic texture and anticoagulation therapy, is crucial for minimizing bleeding risks. Further research through prospective randomized controlled trials is necessary to refine these strategies and improve outcomes for PD patients.



INTRODUCTION

Postoperative bleeding (POB) remains one of the most significant and life-threatening complications following pancreaticoduodenectomy (PD), affecting approximately 10%-15% of patients[1,2]. The risk of POB is particularly concerning due to its potential to cause delayed complications such as infections, prolonged hospital stays, and even death. The primary causes of POB often involve erosion of regional visceral arteries, including the hepatic artery and gastroduodenal artery (GDA) stump, which are frequently exacerbated by conditions like pancreatic fistula or anastomotic leaks[3]. Furthermore, the retrospective analysis of delta hemoglobin (ΔHb) by Lin et al[4] has underscored the critical role of blood loss in assessing the severity of postoperative complications, with ΔHb emerging as a valuable predictor of bleeding risk in PD. In this context, managing POB requires a multifaceted approach that integrates surgical techniques, perioperative care, and postoperative interventions to reduce the incidence and severity of bleeding. This minireview synthesizes current evidence on effective prevention and management strategies for POB following PD, focusing on both surgical and non-surgical approaches (Table 1)[2,5-15].

Table 1 Summary of prevention and management strategies for postoperative bleeding in pancreaticoduodenectomy.
Strategy category
Specific intervention
Clinical context/indication
Supporting evidence
Intraoperative preventionGDA stump wrapping with omentum, falciform ligament, or teres hepatisHigh-risk patients for postoperative bleeding; standard PD procedureXu et al[2], Meng et al[5], Zheng et al[6]
Optimal choice of pancreatic anastomosis (e.g., pancreaticojejunostomy)Soft pancreatic texture; high risk for pancreatic fistulaMüssle et al[7]
Careful dissection near mesenteric-portal vein junctionPatients with vascular involvementBall et al[8]
Postoperative detectionPredictive nomogram including body mass index, American Society of Anesthesiologists score, fistula presenceAll PD patientsDuan et al[9]
Routine postoperative computed tomography or Doppler ultrasoundSurveillance for pseudoaneurysm or active bleedingMa et al[10]
Interventional managementAngiographic embolizationHemodynamically stable patients with detectable bleeding sourceIzumi et al[11]
Viabahn stent graft placementGDA pseudoaneurysm with compromised hepatic artery flowIzumi et al[11]
Surgical re-intervention (arterial ligation or repair)Recurrent or uncontrolled hemorrhagePreston et al[12]
Patient-specific considerationsPreoperative management of antithrombotic therapyPatients on anticoagulants or antiplatelet agentsNakamura et al[13], Mita et al[14]
Bridging anticoagulation with low molecular weight heparinPatients requiring temporary cessation of oral anticoagulantsRussell et al[15]
PREVENTION STRATEGIES

The prevention of POB in PD revolves around minimizing intraoperative risk factors, enhancing surgical techniques, and implementing perioperative measures that reduce complications. Surgical strategies aimed at minimizing bleeding risk during PD have shown promising results in recent studies.

One of the most effective techniques involves the wrapping of regional vessels such as the GDA stump. Wrapping these vessels with omentum, the falciform ligament, or the teres hepatis ligament has been demonstrated to significantly reduce the incidence of postoperative hemorrhage. Specifically, studies have shown that this technique can reduce GDA stump-related bleeding by as much as 50%-70%[2,5,6]. A randomized controlled trial (RCT) involving 400 patients found that using a pedicled falciform ligament flap to wrap the GDA stump reduced hemorrhage rates from 9% to 1%[7]. This underscores the importance of surgical precision in mitigating the risk of bleeding in the perioperative period.

In addition to vessel wrapping, the choice of pancreatic anastomosis plays a pivotal role in preventing POB. Recent evidence suggests that pancreaticojejunostomy, compared to pancreaticogastrostomy, is associated with a lower incidence of POB, primarily due to the reduced occurrence of pancreatic fistulas, which are a significant contributor to bleeding in PD patients[7]. Additionally, meticulous intraoperative hemostasis is essential. High-risk areas, such as the superior mesenteric-portal vein junction and retroperitoneal soft tissue margins, require careful dissection and hemostatic measures to minimize bleeding[8].

MANAGEMENT STRATEGIES

When POB does occur, early detection and timely intervention are crucial in preventing severe complications. Predictive models have shown promise in identifying high-risk patients, enabling early intervention. For example, a predictive nomogram that incorporates preoperative, intraoperative, and postoperative variables—such as body mass index, American Society of Anesthesiologists score, and the presence of pancreatic fistula—can help clinicians identify patients at elevated risk for POB and allow for prompt management[9]. Additionally, regular postoperative imaging, including computed tomography scans and Doppler ultrasound, can aid in detecting early signs of bleeding or pseudoaneurysm formation, thus facilitating timely intervention[10].

For patients who are hemodynamically stable, endovascular interventions such as angiographic embolization has proven to be highly effective. This technique can achieve hemostasis in more than 50% of cases, with minimal invasiveness compared to traditional surgical methods[10,11]. However, it is not without risks. Complications such as hepatic infarction or biliary strictures may occur in up to 30% of cases[12], necessitating careful patient selection and monitoring. Another promising approach involves the use of Viabahn stent grafts to treat bleeding from GDA pseudoaneurysms. This method has shown favorable outcomes, achieving hemostasis without significant hepatic morbidity[11].

In cases of more severe or recurrent bleeding, surgical reintervention may be required. Relaparotomy, followed by arterial ligation of the common or proper hepatic artery, has been shown to achieve 100% hemostasis without causing significant liver infarction[10]. While suture repair of bleeding sites can be attempted during relaparotomy, it has a higher failure rate, with one study reporting a 30.8% failure rate for this technique[10]. Empirical interventions, such as GDA embolization, are sometimes employed in cases of suspected bleeding but can be associated with high morbidity and rebleeding rates, making them less favorable in the absence of clear evidence of active bleeding[12].

RISK FACTORS AND PATIENT-SPECIFIC CONSIDERATIONS

Several patient-specific factors influence the risk of POB following PD. Patients with a soft pancreatic texture are at a higher risk, particularly when coupled with pancreatic fistulas, which can lead to delayed bleeding and poor outcomes[12,16]. Moreover, patients on antithrombotic therapy are at a significantly increased risk of bleeding, with studies showing a 4-5 fold increase in the incidence of POB in these patients[13,14]. Therefore, careful preoperative assessment and management of anticoagulation therapy are critical to minimizing bleeding risks. Perioperative anticoagulation, especially in patients requiring venous resection, remains controversial, as it can reduce the risk of venous thromboembolism but also increases the likelihood of bleeding[15,17]. Bridging therapy with low molecular weight heparin is recommended for patients requiring anticoagulation, but the timing and duration of such therapy must be carefully managed to balance the risk of thromboembolism against that of bleeding[15].

FUTURE DIRECTIONS AND RESEARCH GAPS

Despite the advances in prevention and management strategies for POB in PD, several research gaps remain. Prospective RCTs are needed to further validate the effectiveness of vessel wrapping techniques and to establish standardized protocols for their use[3]. Although prospective RCTs are essential, their execution in the PD context faces several challenges, including heterogeneity in surgical techniques, variability in surgeon experience, and ethical concerns regarding randomization of potentially life-saving interventions. Furthermore, long-term follow-up is often required to adequately assess delayed bleeding complications, complicating trial logistics. Additionally, robust trials are required to determine the optimal anticoagulation strategies for patients undergoing PD, particularly for those with venous resection[15]. The refinement of predictive models, such as the Lasso-logistic model, could enable more personalized risk stratification and tailored preventive strategies, ultimately improving patient outcomes[9].

Furthermore, the development of biomarkers and advanced imaging technologies could revolutionize the early detection of bleeding or fistula formation, allowing for earlier intervention and better management of POB[10]. Emerging technologies, including contrast-enhanced ultrasound and molecular imaging with fibrin-targeted probes, show promise in detecting early hemorrhagic changes. Likewise, novel biomarkers such as circulating microRNAs (e.g., miR-21, miR-155) and interleukin-6 Levels may provide early predictive value for fistula-associated bleeding, warranting further investigation in prospective studies. Standardization of surgical techniques and perioperative care is also essential, as variability in these practices can lead to inconsistent outcomes. Efforts to establish uniform protocols and training programs are needed to ensure the highest standards of care[8,18]. Several institutions have successfully implemented standardized vessel-wrapping protocols. For instance, centers utilizing falciform ligament flaps as a routine part of PD have reported consistently low rates of GDA stump hemorrhage[7,12]. Such experiences underscore the importance of institutional protocols in achieving reproducible outcomes.

CONCLUSION

The prevention and management of POB following PD are multifaceted challenges that require a combination of surgical innovation, perioperative care, and advanced technologies. Significant progress has been made in understanding the risk factors for POB and developing strategies to prevent and manage this complication. However, further research, including prospective RCTs and refinement of predictive models, is necessary to optimize outcomes for patients undergoing PD. Through continued advancements in surgical techniques, predictive analytics, and personalized patient care, it is possible to reduce the incidence and severity of POB, thereby improving the prognosis for patients undergoing this complex surgery.

Footnotes

Provenance and peer review: Invited article; Externally peer reviewed.

Peer-review model: Single blind

Specialty type: Oncology

Country of origin: China

Peer-review report’s classification

Scientific Quality: Grade A, Grade A

Novelty: Grade A, Grade B

Creativity or Innovation: Grade A, Grade B

Scientific Significance: Grade A, Grade A

P-Reviewer: Shi YD; Zhang J S-Editor: Luo ML L-Editor: A P-Editor: Zhao YQ

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