Cysto-biliary communication in liver hydatidosis

A Novel Technique for the Management of Persistent Biliary Fistulas Developing After Liver Hydatid Cyst Surgeries: Drain Clamping Technique

BACKGROUND

External biliary fistula, where the residual cyst is associated with the biliary tree, is one of the most common complications after liver hydatid cyst surgery. Surgical procedures become a consideration for patients in whom the biliary fistula persists despite all endoscopic procedures. However, reoperation for biliary fistula after hydatid cyst surgery leads to additional complications and increases morbidity and mortality.

AIM

This study aims to treat persistent biliary fistulas that develop after liver hydatid cyst surgery using a simple noninvasive technique.

MATERIALS AND METHODS

External drainage surgery was performed on 295 patients with liver hydatid cysts. Endoscopic treatment methods were used in patients who developed biliary fistula after surgery. Despite all endoscopic treatment methods, 14 patients developed persistent biliary fistulas. These patients were subsequently treated using the drain clamping technique.

FINDINGS

All persistent fistulas occluded in 11.86 days (with a range of 8-20 days). No complications were observed in the one-year follow-up visits.

CONCLUSION

Drain clamping, a novel approach to the treatment of persistent biliary fistulas developed despite all available endoscopic methods, can be safely used. This technique resulted in a complete recovery in patients without the need for surgical procedures.

Left hepatectomy for hepatic hydatid cyst with intra-biliary rupture: Better to be radical

Echinococcal liver cysts are predominantly located in the right lobe of the liver and are mostly asymptomatic. A frank intra-biliary rupture (IBR) of hydatid cyst is uncommon, having variable clinical presentation and treatment options. We present a case of a 60-year-old male patient who presented with pain in the upper abdomen associated with vomiting but without jaundice. On investigations, he was diagnosed to have a left lobe hepatic hydatid cyst (HHC) with IBR for which left hepatectomy with bile duct exploration was performed. It highlights the benign nature of the disease for which seldom major hepatectomies have to be performed.

Biliary fistula and late recurrence of liver hydatid cyst: Role of cysto-biliary communication: A prospective multicenter study

BACKGROUND

Hydatid cyst disease (HCD) is common in certain locations. Surgery is associated with postoperative biliary fistula (POBF) and recurrence. The primary aim of this study was to identify whether occult cysto-biliary communication (CBC) can predict recurrent HCD. The secondary aim was to assess the role of cystic fluid bilirubin and alkaline phosphatase (ALP) levels in predicting POBF and recurrent HCD.

AIM

To identify whether occult CBC can predict recurrent HCD. The secondary aim was to assess the role of cystic fluid bilirubin and ALP levels in predicting POBF and recurrent HCD.

METHODS

From September 2010 to September 2016, a prospective multicenter study was undertaken involving 244 patients with solitary primary superficial stage cystic echinococcosis 2 and cystic echinococcosis 3b HCD who underwent laparoscopic partial cystectomy with omentoplasty. Univariable logistic regression analysis assessed independent factors determining biliary complications and recurrence.

RESULTS

There was a highly statistically significant association (P ≤ 0.001) between cystic fluid biochemical indices and the development of biliary complications (of 16 patients with POBF, 15 patients had high cyst fluid bilirubin and ALP levels), where patients with high bilirubin-ALP levels were 3405 times more likely to have biliary complications. There was a highly statistically significant association (P ≤ 0.001) between biliary complications, biochemical indices, and the occurrence of recurrent HCD (of 30 patients with recurrent HCD, 15 patients had high cyst fluid bilirubin and ALP; all 16 patients who had POBF later developed recurrent HCD), where patients who developed biliary complications and high bilirubin-ALP were 244.6 and 214 times more likely to have recurrent hydatid cysts, respectively.

CONCLUSION

Occult CBC can predict recurrent HCD. Elevated cyst fluid bilirubin and ALP levels predicted POBF and recurrent HCD.

Comparison of ethanol and hypertonic saline as a single ıntracystic agent in the percutaneous treatment of liver hydatid cysts

PURPOSE

In this study, the effects of hypertonic saline and ethanol as a single intracystic agents in the percutaneous treatment of liver hydatid cysts were compared.

METHODS

The 50 patients were separated into two groups as those administered 30% hypertonic saline alone as the intracystic agent in percutaneous treatment (33 patients, 52 cysts), and those administered 96% ethanol alone (17 patients, 26 cysts). Both groups were compared in terms of percentage of cyst volume reduction, complications, and treatment success.

RESULTS

The follow-up period was median 17.0 months (11.0-20.0) in the ethanol group and 17.0 (14.0-22.0) in the hypertonic saline group (p = 0.269). Complications were observed in 5 (19.2%) cysts applied with ethanol as the intracystic agent and in 7 (13.5%) of the cysts where hypertonic saline was used (p = 0.521). Clinical success was evaluated as 100% in both groups. The percentage of cyst volume reduction according to the initial volume was determined as mean 75.6 ± 20.43 (28.19-98.13) in the ethanol group cysts and as 68.2 ± 16.45 (26.39-97.48) in the hypertonic saline group (p = 0.427).

CONCLUSION

The results of this study demonstrated similar efficacy of hypertonic saline and ethanol in the percutaneous treatment of CE1 and CE3A liver hydatid cysts. These results suggest that the use of hypertonic saline as a single intracystic agent in the percutaneous treatment of CE1 and CE3A liver hydatid cysts provides sufficient efficacy of treatment and cyst volume reduction. Nevertheless, there is a need for further prospective, randomized studies to support these findings.

Complication of Hepatic Hydatid Cyst Surgery Presenting as Obstructive Jaundice

The liver is the commonest organ affected by hydatid disease. We report a rare case of a 25-year-old female patient who was treated surgically for hepatic echinococcosis two weeks ago with laparoscopic excision of hepatic hydatid cyst with marsupialization and omentoplasty. She then presented with features of obstructive jaundice, which is a known complication following hydatid endocystectomy. Cholangiogram revealed a communication of the residual hydatid cyst with right segmental intrahepatic biliary radicals. She was treated with endoscopic retrograde cholangiopancreatography (ERCP)-guided stenting. ERCP is regarded as an important therapeutic strategy for hydatid cysts occurring in the extra biliary tree either as primary or as complications of liver cysts. It facilitates the clearing of hydatid debris from the biliary tree, and the closure of fistulas and bile leaks followed by laparoscopic cholecystectomy when the hydatid cysts are also located in the gallbladder.

Surgical treatment of liver hydatic cyst and evaluation of cystobiliary fistula: experience of two centers

Objective: Intrabiliary rupture or cystobiliary fistula is the most common complication of hepatic hydatid cyst. In this article, our objective is to evaluate the clinical, laboratory, imaging, surgical treatment and results of cystobiliary fistulas, which is the most common complication of hydatid cysts. Material and Method: In our study, patients who underwent open surgery and were followed up and treated for hydatid cyst in the gastroenterology and general surgery outpatient clinic and service between years 2015-2021 were included. The clinical, laboratory, radiological and surgical results of 171 patients with hydatid cysts were retrospectively analyzed. Results: The mean age of 171 patients who underwent surgery for hydatid cyst was 44.8 (18-71), 68 of whom were men and 103 were women. Bile leakage was present in 50 patients (50 (29.23%)). There were 24 (48%) men and 26 (52%) women with bile leakage. The cyst diameter was 74.2 (36-170) mm and the number of cysts was 1.2 (1-2). The cysts were located in the right lobe of the liver in 116 (79%) patients, in the left lobe in 30 (15%) patients, and in both lobes in 25 (6%) patients. Cystobiliary fistula developed more frequently, especially in cysts located in the right lobe(36 (72%)). Cystobiliary fistula was most common in CE3 (Gharbi type 2) type (30 (60%)). Cystectomy+drainage was performed in 137 (80%) patients in all groups. Cystectomy and drainage were the most common surgical procedures. The cyst diameter was 10 cm in the group with cystobiliary fistula and was significant compared to the group without fistula (p<0.001). Aminotransferase (AST and ALT) levels were high in patients with cystobiliary fistula (p=0.012, p=0.054). However, there was no significant difference between the two groups in alkaline phosphatase, total bilirubin, and gamma glutamyl transferase (p=0.231, p=0.097, p=0.544). Conclusion: Liver hydatid cyst is endemic in our country as well as in many other countries in the world. Complicated hepatic hydatid cysts require timely and appropriate treatment because of their life-threatening complications. Cytobiliary fistula is the most common complication. In the surgical treatment of hydatid cyst disease, the earlier the diagnosis of occult cystobiliary fistulas is made (especially in the preoperative or peroperative period), the easier the treatment is, and the risk of bile leakage and consequently the morbidity and mortality decreases. Our results and experience showed that treatment and complications are related to the location and size of the cyst, occult/large cystobiliary fistula, detectability of occult fistulas, experienced center and surgeon.

Turkish HPB Surgery Association consensus report on hepatic cystic Echinococcosis (HCE)

OBJECTIVES

Cystic Echinococcosis (CE) is one of the important problems of the Eurasian region. We aimed to prepare a consensus report in order to update the treatment approaches of this disease. This study was conducted by Turkish HPB Surgery Association.

MATERIAL AND METHODS

This study was conducted with the modified Delphi model. For this purpose, we conducted a three-stage consensus-building approach.

RESULTS

Six topics, including diagnosis, medical treatment, percutaneous treatment, surgical treatment, management of complications and posttreatment follow-up and recurrences in HCE were discussed.

CONCLUSION

The expert panel made recommendations for every topic.

Factors Affecting the Choice of Treatment in Hepatic Hydatid Cyst Surgery

OBJECTIVE

We aimed to determine the effective factors in the selection of treatment methods for patients with hepatic hydatid cyst undergoing surgery and the variables effective when performing postoperative endoscopic retrograde cholangiopancreatography (ERCP). In addition, we aimed to reveal the factors affecting the recurrence, postoperative complications, and length of stay of these patients.

MATERIALS AND METHODS

A total of 107 patients diagnosed with hepatic hydatid cysts were treated surgically. Data were obtained from the records of these patients. Chi-square test was used for the analysis. The variables that were found to be significant in the chi-square analysis were included in the logistic regression (Backward: LR) analysis.

RESULTS

Of all patients, 6.5% underwent the puncture, aspiration, injection, and reaspiration (PAIR) technique, 67.3% underwent conservative surgery, and 26.2% underwent radical surgical treatment. In paired comparisons, a significant difference was found among the ultrasonographic size of the cyst (p = 0.033), the radiological classification of the cyst (0.006), and history of previous surgery and treatment methods for the cyst. The risk of performing ERCP was 25.710 [95% confidence interval (CI): 1.721-284.013] folds higher for cysts located in the left lobe, whereas it was 19.992 (95% CI: 2.004-199.488) folds higher for cysts located in both right and left lobes. When the radical surgical treatment method was taken as a reference, the status of ERCP implementation was 29.785 (95% CI: 1.844-480.996) folds higher for PAIR and 3.628 (95% CI: 0.355-37.103) folds higher for conservative surgery.

CONCLUSION

In conclusion, radical surgery is a significant treatment for hepatic hydatid cyst as its ultrasonographic cyst size increases with time. The location and treatment method of the cyst increases the complication of biliary fistula and requires ERCP.

Jaundice as a clinical presentation in liver hydatidosis increases the risk of postoperative biliary fistula

PURPOSE

Echinococcosis, also known as hydatidosis, is a zoonosis that is endemic in many countries worldwide. Liver hydatid cysts have a wide variety of clinical manifestations, among which obstructive jaundice is one of the rarer forms. The aims of the study were to analyze the preoperative management of these patients and to record the kind of surgical treatment performed and the short- and long-term postoperative results.

METHODS

A retrospective two-center observational study of patients operated upon for liver hydatidosis with initial symptoms of obstructive jaundice. Preoperative characteristics, surgical data, and postoperative complications, including biliary fistula, were recorded.

RESULTS

Of 353 patients operated upon for liver hydatidosis, 44 were included in the study. Thirty-five patients (79.6%) were defined as CE2 or CE3 in the World Health Organization (WHO) classification. Preoperative endoscopic retrograde cholangiopancreatography (ERCP) was performed in 25 patients (56.8%) and identified intrabiliary communication in 29. Radical surgery was carried out in 29 of the total sample (65.9%). Severe postoperative complications (Clavien-Dindo grade IIIA or higher) were recorded in 25% of patients. The factors associated with greater postoperative morbidity were age above 65 (HR 8.76 [95% CI 0.78-97.85]), cyst location (HR 4.77 [95% CI 0.93-24.42]), multiple cysts (HR 14.58 [95% CI 1.42-149.96]), and cyst size greater than 5 cm (HR 6.88 [95% CI 0.95-50]).

CONCLUSION

The presentation as obstructive jaundice causes greater postoperative morbidity. The main postoperative complication in these cases, despite radical surgery, is biliary fistula. In our series, routine preoperative ERCP did not show any benefit.

Acute pancreatitis as an uncommon complication of hydatid cyst of the liver: A case report and systematic literature review

Hydatid disease is a major health problem worldwide. The liver is the most frequent location of hydatid disease. Acute pancreatitis secondary to liver hydatid cyst ruptured in the biliary tract is scarce and fewly described in literature. The management of this pancreatic complication of liver hydatid disease is challenging and includes a combination of surgical and endoscopic approaches. We report herein a rare case of hydatid cyst of the liver with cysto-biliary communication revealed by acute pancreatitis. A systematic literature review of similar cases reported was provided to compare surgical and endoscopic techniques. A thirty-year-old woman was referred to our emergency unit for acute pancreatitis. The CT-scan findings revealed a liver hydatid cyst ruptured in the biliary tract and daughter vesicles within were found, responsible for C-grade acute pancreatitis. We decided then to perform an emergency surgery through a bisoucostal incision. We performed a cholecystectomy and a peroperative cholangiogram that showed the communication between the cyst and left biliary tracts and the presence of daughter vesicle within the common bile duct. We conducted an exploration of the common bile duct with extraction of vesicle daughters. We left behind a T-tube in the common bile duct and we sutured the cysto-biliary fistula. Drainage was left in the remnant cavity after unroofing the cyst. Postoperative course was uneventful. Six months follow-up showed no recurrence. Cysto-biliary communication of liver hydatid disease revealed by acute pancreatitis is uncommon. We chose to perform emergency open surgery. However, through a systematic literature review, we noticed that endoscopic treatment is an efficient therapeutic and diagnostic tool to delay a morbid surgery of the liver and the common bile duct.

Bile leakage test in emergency hydatid liver cyst surgery

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It is not always possible to reveal the existing occult CBC during the operation.

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Bile leakage test has been shown to reduce postoperative biliary complications.

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Bile leakage test has been performed by cannulated the common bile duct via 22G catheter.

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Normal saline and parenteral lipid solution has been given to demonstrate the CBCs.

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This test can be applied even in emergency conditions.

Introduction and importance

In liver cyst hydatid surgery, presence of cysto-biliary communication (CBC) is important for the prevention of postoperative morbidity. If cysto-biliary connections are not obvious, diagnosis is not easy. Intraoperative bile leakage test has been shown to reduce postoperative biliary complications by revealing occult CBCs. However, bile leakage testing in emergency conditions such as hydatid cyst perforation has not been experienced so far.

Case presentation

Here, a bile leakage test performed in a 23-year-old male patient undergoing emergency surgery due to the perforation of the hydatid liver cyst was presented. Following the treatment of perforated hydatid liver cyst and biliary peritonitis, a bile leakage test was performed. The common bile duct was cannulated with a 22G catheter, normal saline and parenteral lipid solution were given to demonstrate the CBCs, and leakage areas were suture ligated. The patient was discharged postoperatively without any problem.

Conclusion

We recommend detection and treatment of the CBCs even in emergency hydatid liver cyst surgery for prevention of postoperative biliary complications.

Management of complex liver cystic hydatidosis: challenging benign diseases for the hepatic surgeon: A case series report from an endemic area

Hydatid cysts of the liver are benign lesions which require a wide range of surgical strategies for their treatment. We hypothesized that cysts larger than 15 cm, or compressing main vascular structures, or located in both hemilivers should be considered, as well as complicated cysts, in the category of complex hydatid cysts.In a retrospective study including 55 patients, we evaluated the characteristics of complex hydatid cysts, and compared surgical outcomes between patients operated on for complex cysts (Complex Group) and those operated on for non-complex cysts (non-Complex Group).In the Complex Group, 19% of patients had cysto-biliary communication with recurrent cholangitis, 9.5% had cysts eroding the diaphragm or chest wall, or communicating with the bronchial tree, 31% had cysts with contact with main vascular structures, 11.9% had multiple bilobar cysts, 14.3% had giant cysts with organ displacement, and 14.3% had a combination of the above-mentioned types. Type of surgical treatment was different between the two groups (P < .001). Additional procedures were statistically more frequent in the Complex Group (P = .02). Postoperative morbidity was higher in the Complex Group, although not in a significant manner (P = .07). Median hospital stay was longer in the Complex Group (12 vs 7 days, P < .001). No 30-day mortality occurred. Four patients (7.3%), all belonging to the Complex Group, required reoperation for postoperative complications.Surgery for complex hydatid cysts of the liver is potentially burdened by serious complications. This kind of benign liver disease requires skill-demanding procedures and should be treated in centers with expertise in both hepato-biliary surgery and hydatid disease management.

Surgical management of hepatic hydatid cysts - conservative versus radical surgery

BACKGROUND

Surgical management is considered one of the effective treatment modality for liver hydatid. However the choice of surgery is debatable. This study aims to compare the outcome of radical surgery (RS) and conservative surgery (CS) in liver hydatid disease.

METHODS

This is retrospective analysis of prospectively maintained institutional data of surgically treated liver hydatid from January 2012 to January 2019. The basis of diagnosis was typical imaging, confirmatory Hydatid serology and/or Intraoperative details. The clinical presentation, radiological data, operative detail, post-operative outcome, post-operative recurrence data was analysed.

RESULTS

Sixty-four patients underwent surgery during the study period and were included. RS was done in 27 (42.2%) patients and CS in 37 (57.8%) patients. The mean age was 35.6 (13-72) years. The mean size of the cyst was 10.3 ± 2.9 cm. The cyst location was peripheral in 81.5% and 56.8% in RS and CS groups respectively. Intraoperative Cyst biliary communication was detected in 48.1% of RS & 35.1% in CS group of patients. The post-operative bile leak was significantly less in RS group (7.4% vs 27.0%, p = 0.047). Postoperative endoscopic stenting for persistent biliary fistula was necessitated in five of CS and only one patient from RS group. None of RS patients had recurrence while 3 patients of CS developed recurrence.

CONCLUSION

Radical surgery reduces post-operative bile leak and prevents recurrence and may be preferable to conservative surgery.

Treatment of Hepatic Hydatid Disease: Role of Surgery, ERCP, and Percutaneous Drainage: A Retrospective Study

INTRODUCTION

Failure to follow the World Health Organization's Informal Working Group on Echinococcosis guidance or having limited experience in the management of cystic echinococcosis (CE) in endemic or nonendemic areas of the world may lead to risky unnecessary procedures.

MATERIALS AND METHODS

Medical records of all patients undergoing surgery for hepatic hydatid disease at the gastroenterologic surgery and general surgery departments of our hospital between December 2014 and October 2019 were collected and reviewed retrospectively. Demographic characteristics, the size and number of the cysts preoperative liver function tests, surgical treatment, endoscopic retrograde cholangiopancreatography (ERCP), percutaneous drainage (PD), morbidity, and treatment outcomes were reviewed.

RESULTS

Of 122 patients included in the study, 77 (63, 1%) were female and 45 (36, 9%) were male individuals and their mean age was 44.95 years. CE1 was identified in 13 patients (10.6%) CE2 in 66 patients (54.1%), CE3a in 7 patients (5.8%), CE3b in 28 patients (22.9%), and CE4 in 8 patients (6.6%). Twenty patients (16.4%) with a cystobiliary fistula in the liver, obstructive jaundice, and postoperative bile leak underwent ERCP. PD was performed in patients with fluid in the hepatic hydatid cyst pouch, increased pouch size because of bile collection, and clinical symptoms postoperatively. Patients presenting with persistent bile leak despite PD underwent ERCP and were treated with endoscopic sphincterotomy and stent placement. Patients with PD were followed by keeping the percutaneous drain open and closed for a while to create pressure difference in the cyst pouch after ERCP. The percutaneous drain was removed in the next 14 to 21 days after checking the pouch size, whereas the common bile duct stents were removed 2 months later after performing a follow-up cholangiography.

CONCLUSIONS

ERCP should be the primary method for the diagnosis and treatment for hepatic hydatid cysts ruptured into the ducts. İn some cases, high-flow hydatid cysts with rupture into the bile ducts or persistent biliary fistulas can be treated with ERCP and endoscopic sphincterotomy, biliary stent, PD, and nasobiliary drainage without the need for surgical intervention.

Radical surgery in hepatic hydatidosis: analysis of results in an endemic area

INTRODUCTION

radical surgery in hepatic hydatidosis is associated with less morbidity and recurrence than conservative surgery.

MATERIAL AND METHODS

a retrospective observational study of patients with liver hydatid cyst surgery was performed. Seventy-one patients with 90 cysts were included between 2007 and 2017, and radical surgery was performed in 69.01 %.

RESULTS

there was no difference in morbidity, mortality, biliary leakage or recurrence according to surgery. Complicated cysts were associated with a longer hospital stay and morbidity.

CONCLUSION

decision-making should consider age, comorbidity, cyst characteristics and available resources. Radical surgery should be applied whenever feasible as it achieves better results with an adequate selection of patients.

Nomogram Analysis and Internal Validation to Predict the Risk of Cystobiliary Communication in Patients Undergoing Hydatid Liver Cyst Surgery

Purpose

Biliary leakage caused by cystobiliary communication (CBC) is a common clinical concern. This study sought to identify predictors of CBC in hepatic cystic echinococcosis (HCE) patients undergoing hydatid liver cyst surgery and establish nomograms to predict CBC.

Methods

A predictive model was established in a training cohort of 310 HCE patients diagnosed between January 2013 and May 2017. Upon revision of the records of clinical parameters and imaging features of these patients, the lasso regression model was used to optimize feature selection for the CBC risk model. Combined with feature selection, a CBC nomogram was developed with multivariable logistic regression. C-index and calibration plots were used to analyze and evaluate the discrimination and calibration. The net benefit and predictive accuracy of the nomogram were performed via decision curve analysis (DCA) and receiver operating characteristic (ROC) curve. An independent validation cohort of 132 patients recruited from June 2017 to May 2019 was used to evaluate the practicability of the nomogram.

Results

Predictors contained four features, namely alkaline phosphatase (ALP), glutamyl transpeptidase (GGT), cyst size and cyst location. The C-index of the nomogram is 0.791 (95% CI, 0.736–0.845), while the C-index verified by bootstrap is 0.746, indicating high prediction accuracy. The area under the curve (AUC) of the CBC in training was 0.766. ROC curve analysis demonstrated high sensitivity and specificity. Decision curve analysis confirmed the CBC nomogram was clinically useful when the intervention was determined at the non-adherence possibility threshold of 8%.

Conclusion

The nomogram developed using the ALP, GGT, cyst size and cyst location could be used to facilitate the CBC risk prediction in HCE patients.

Pattern of Relapse in Hepatic Hydatidosis: Analysis of 238 Cases in a Single Hospital

INTRODUCTION

Hydatidosis is a chronic disease that is endemic and prevalent in certain regions of the world. Surgical treatment is the best option, although its main problem is that there is a high rate of recurrence. The objective of the present study was to assess its therapeutic management and the factors related to its postoperative morbidity and relapse.

MATERIAL AND METHODS

A descriptive and retrospective study was made of 238 patients with hepatic hydatidosis operated from January 2006 to December 2017 at our center. An analysis was made of the variables associated with postoperative morbidity and relapse, and of the temporal pattern of that relapse.

RESULTS

Out of 238 patients, radical surgery was performed in 132 (55.5%) and partial cystectomy in 106 of them (44.3%). The postoperative morbidity was 42% (100/238) and the relapse rate was 7.2% (17/238). The factors associated with greater postoperative morbidity were partial cystectomy (OR, 2.83 (1.47-5.43); p = 0.002), ≥ 2 cysts (OR, 3.22 (1.51-6.86); p = 0.002), and biliary fistula (OR, 4.34 (2.11-8.91); p < 0.0001); and those associated with higher relapse rate were history of hydatidosis (OR, 4.98 (1.76-14.11); p = 0.003) and ≥ 2 cysts (OR, 3.23 (1.14-9.11); p = 0.027). The first relapses appeared after 14 months, with the greatest incidence between 14 and 36 months.

CONCLUSIONS

The surgical procedure applied is associated with morbidity but not with that of relapse. The observed relapse pattern demonstrates the need to maintain long-term follow-up, but with no follow-up being necessary in the first year. Broader multicenter and prospective studies are needed to establish more precise recommendations.

Complications of hepatic echinococcosis: multimodality imaging approach

Hydatid disease is a worldwide zoonosis endemic in many countries. Liver echinococcosis accounts for 60-75% of cases and may be responsible for a wide spectrum of complications in about one third of patients. Some of these complications are potentially life-threatening and require prompt diagnosis and urgent intervention. In this article, we present our experience with common and uncommon complications of hepatic hydatid cysts which include rupture, bacterial superinfection, and mass effect-related complications. Specifically, the aim of this review is to provide key imaging features and diagnostic clues to guide the imaging diagnosis using a multimodality imaging approach, including ultrasound (US), computed tomography (CT), magnetic resonance (MR), and endoscopic retrograde cholangiopancreatography (ERCP).

Current approaches in the surgical treatment of liver hydatid disease: single center experience

Background

Liver hydatid disease is a common benign condition in many countries. Compared to open surgery, laparoscopic treatment can play an important role in improving the post-operative recovery, reducing the morbidity and recurrence rate of these patients.The purpose of this study is to show that the laparoscopic method is effective and safe in the treatment of liver hydatid cysts compared to open surgery, even in large cysts.

Methods

All consecutive cases surgically managed for liver hydatid cyst from 7 January 2008 and 15 January 2010 in our institution were included in this study.The surgical approach (laparoscopic or open) and operative strategy, as well as operative and prognostic outcomes, were analyzed. Cyst size, type, location, presence of biliary tract communication, radiological findings, duration of hospitalization, recurrence and postoperative morbidity were analysed and compared retrospectively.

Results

A total of 60 patients were included in the study.A total of 23 patients underwent open surgery, and 37 patients underwent laparoscopic surgery.Operation types of laparoscopic surgery were as follows: partial pericystectomy (12patients), total cystectomy(2 patients), partial pericystectomy+total cystectomy(7patients) and cystectomy(16patients).The surgical procedures chosen for open treatment of the residual cavity were partial pericystectomy and omentoplasty(17cases), total pericystectomy(3cases) and partial and total pericystectomy(3cases).Cysto-biliary communication was found in 9 patients. A total of 10 patients underwent preoperative endoscopic retrograde cholangiography, and one patient underwent postoperative endoscopic retrograde cholangiography.There was a progression of hypernatremia in 1 patient, wound infections in 3 patients, and perioperative hemorrhage in 3 patients. There were no statistically significant differences concerning age(p = 0.344), gender(p = 0.318), ASA classification(p = 0.963), Gharbi classification(p = 0.649) whereas there were significant differences related to cyst location(p = 0.040) and size(p = 0.022) in patients undergoing laparoscopic and open surgery.

Postoperative temporary biliary fistulas were observed in 2 patients undergoing open surgery. Patients undergoing laparoscopic surgery had the advantages of shorter hospital stays and operation times, less blood loss, faster recovery, and lower wound infection rates. Recurrences were detected in 2.7% of patients undergoing laparoscopic surgery and 4.7% of those undergoing open procedures.

Conclusion

Compared to open surgery in the treatment of liver hydatid cysts, we have shown that laparoscopic method can be safely performed even in large cysts and/or cysto-biliary communication.

Management of liver hydatid cyst with cystobiliary communication and acute cholangitis: a 27-year experience

PURPOSE

The rupture of the hydatid cyst into the bile ducts is a common and serious complication. The rupture can be latent or revealed after a complication such as acute cholangitis. The objective of this study was to discuss the clinical features, radiographic findings, and surgical treatment of this rare complication.

METHODS

A retrospective analysis of patients operated for acute cholangitis caused by hydatid cyst between January 1990 and May 2016 was conducted.

RESULTS

Our study included 55 cases of acute cholangitis caused by ruptured hydatid cyst: 35 were men and 20 were women. Five patients had medical history of hydatid cyst. On imaging, all patients had a dilated bile duct. In 51 cases, there was a single hydatid cyst. Hydatid cysts with fistula were located in the right lobe of the liver in 49 cases and in the left lobe in 6 cases. Seven patients underwent an emergency surgery after admission, while others were operated after 3-8 days. A conservative procedure associated with drainage was applied in 49 cases. Endoscopic treatment was performed in four cases which failed in two cases. Twenty-eight cases developed postoperative complications, among which the most common complication was biliary fistula (n - 17). There were eight cases of postoperative deaths (14.5%).

CONCLUSIONS

Liver hydatid cyst with cystobiliary communication and superadded acute cholangitis is a serious clinical problem requiring the early diagnosis and surgery in the absence of endoscopic therapy.

The Role of Prophylactic Endoscopic Sphincterotomy for Prevention of Postoperative Bile Leak in Hydatid Liver Disease: A Randomized Controlled Study

BACKGROUND

Bile leak is the main cause of morbidity and mortality after surgery for hydatid liver cysts. Aim was to assess the role of prophylactic endoscopic sphincterotomy (ES) in reducing postoperative bile leak in patients undergoing partial cystectomy.

METHODS

Fifty-four patients with hepatic hydatid cyst met inclusion criteria, 27 were excluded or declined to participate. Twenty-six women and 28 men (mean age 44.6 ± 10.1, range: 22-61 years) were randomly assigned to either group I with ES (n = 27) or group II without ES (n = 27).

RESULTS

Demographics and clinical, laboratory, and radiological characteristics of cysts were not statistically different between two groups. Group I had a significant decrease in bile leak rate compared with group II (11.1% versus 40.7%, P = .013), with significantly shorter duration of hospital stay (P < .0001). Biliary fistula in group I had significantly lower daily output (100 mL/day versus 350 mL/day) with gradual reduction till stoppage of leak in 3-4 days without intervention. Biliary fistula in group II had a significantly higher need for biliary intervention through postoperative endoscopic retrograde cholangiopancreatography with ES compared with biliary fistula in group I (^FEP = .002), with significantly longer mean time of fistula closure (P = .011) and longer time to drain removal (P < .0001). Nonbiliary complications were comparable between two groups.

CONCLUSION

Prophylactic ES provides significant reduction in postoperative bile leak rate with shorter hospital stay after partial cystectomy of hydatid cyst. Biliary fistula in patients with ES has significantly lower daily output with shorter time of drain removal and shorter time to closure than patients without ES.

Incidence and risk factors of biliary fistulation from a hepatic hydatid cyst in clinically asymptomatic patients

Biliary fistulation from a hepatic hydatid cyst is its most frequent complication. If unrecognised, this may cause difficulties during and after surgical intervention. Our study looked into its incidence and also the possible risk factors in a retrospective investigation of 60 patients (34 women) who had undergone surgery or percutaneous treatment. Demographics and anatomical characteristics, such as cyst type, location, number, diameter and laboratory findings were examined. A full 50% had biliary fistulation, with increased risk if the cyst diameter was ≥8.8 cm.

[Trans-hepatico cystic coledochostomy for the opening hydatid cyst in the biliary tract: Indications and outcome evaluation of 25 cases]

The treatment of hydatid cysts of the liver opened in the bile ducts is sometimes difficult and complex. The trans-hepaticocystic coledochostomy (CTHK) is one of these processes. We conducted a review of the indications for this surgical procedure and its perioperative outcomes through a series of 25 patients and then we analyzed predictor factors of complications. During the period's study, 909 patients with liver hydatid cyst went under the surgery. Ninety two (92, i.e. 10.1%) of them had an opening in the bile ducts through a large fistula. Twenty five (25, i.e. 27%) had a trans-hepaticocystic coledochostomy. The sex ratio was 0.6. The population was young with an average age of 47 years. The trans-hepaticocystic coledochostomy was performed because of a thick pericyst associated with a nonsutured fistula in 18 cases, a voluminous residual cavity with a soft pericyst but the fistula was unexposed in six cases and in a case where the pericyst was thick, fistula was exposed. Its suture was associated with a high risk of bile duct stenosis. Specific morbidity was 20% due to a length of the intraductal coledochostomy under 2 cm (P = 0.016), the absence of an epiploplasty (P = 0.004) and the existence of a leak of contrast material outside the fistula on the cholangiography (P = 0.005). The trans-hepaticocystic coledochostomy is a safe and reliable technique, often indicated when other conservative methods are failing. The application of its technical requirements and avoidance of mounting errors allow reducing its morbidity.

Liver transplantation with an uncommon full right hemiliver graft after hydatid cysts resection: Case report and review of the literature

Because of widespread organ shortage, the transplant community has been exploiting more and more so-called "extended criteria" donors. In this scenario, liver grafts harboring benign tumors or large cysts represent an infrequent but potentially valuable source of viable grafts. We depict a challenging case of liver transplantation performed using a graft harboring two large Echinococcus granulosus hydatid cysts in close proximity with the hilar plate and complicated by cystobiliary communication. Although liver transplantation using grafts with hydatid cyst has been rarely reported (three published cases), our case was peculiar as one of the cysts was located close to the hilum and was ruptured into the left hepatic duct. The graft was finally accepted taking into account the low risk profile of the recipient, the good quality and size of the remnant liver parenchyma, and only after complete resection of the cysts was achieved. Although the recipient had a complication due to biliary confluence necrosis, at 10-months follow-up he is in good health with normal hepatic function, and a graft that could have been otherwise discarded was successfully used. The decision process along with technical and management issues are discussed.

A New Preoperative Categorization and Potential Preoperative Indicator for Cysto-Biliary Fistula in Hydatid Hepatic Disease

The objective of this study was to determine the risk for cysto-biliary fistula (CBF) and preoperative predictive factors in patients with hepatic hydatid disease (HHD) with high levels of hepatobiliary enzymes (HLE) alone. The risk of CBF and predictive factors in patients with HHD whose only sign of fistula was HLE is unknown. A total of 116 patients without clinical and radiologic signs who were operated for HHD were categorized into 2 groups: patients with and without HLE. The patients with HLE were defined as “usual suspicious.” The potential preoperatively predictive factors for CBF were retrospectively analyzed in this group. Our data included 18.1% of patients (n = 21) with CBF and 69.2% of patients (n = 81) with HLE. The usual suspicious group contained 24.7% of patients (n = 20) with CBF. The risk of CBF was 11-fold higher in the usual suspicious group (95% confidence interval, 1.4–86.7). The red cell distribution width (RDW) was higher in patients with CBF than in patients without CBF in the usual suspicious group (P = 0.006). The performance of the RDW, with a cutoff value of 13.75%, was found to be suboptimal for predicting CBF for patients in the usual suspicious group (area under the curve, 0.661; 95% confidence interval, 0.525–0.798). We defined a new preoperatively high-risk group with HLE alone; this definition can help to identify patients at risk for preoperatively undetectable CBF. The RDW was not found to be sufficient for the discrimination of usual suspicious group with CBF.

Changing paradigms in the surgical management of cystic liver hydatidosis improve the postoperative outcomes

AIM OF THE STUDY

Our aim was to propose and examine the outcomes of a comprehensive strategy for the management of cystic liver hydatidosis (CLH) based on extensive intraoperative assessments and optimal management of cystobiliary communications.

BACKGROUND DATA

Although operative intervention remains the preferred treatment for CLH, and the presence of a cystobiliary communication remains a well-established predictive factor for postoperative complications, no internationally accepted management strategy integrates the specific management of cystobiliary communication into the choice of surgical approach.

METHODS

Early postoperative outcomes were compared before (1990-2004; P1 group; n = 664) and after (2005-2013; P2 group; n = 156) the implementation of a CLH surgical management strategy for CLH in our overall group of patients in subgroups selected by risk factors (as determined by multivariate analysis), and in 2 propensity score-matched groups.

RESULTS

Specific complications related to the hepatic procedure (intraabdominal complications) were independently associated with the presence of ≥ 3 cysts (P = .013), a fibrotic pericyst (P = .005), a cystobiliary communication (P < .001), and the P1 treatment period (P = .002). Between P1 and P2 groups, the rate of specific complications decreased in the overall group of patients with CLH (18.3% vs 4.5%; P < .001). The rate also decreased in risk factor-based subgroups: patients with ≥ 3 cysts (31.0% vs 4.0%; P = .005), a fibrotic pericyst (23.1% vs 9.2%; P = .011), and a cystobiliary communication (33.0% vs 13.2%; P = .006). After propensity score matching among 123 well-balanced matched pairs of patients, the overall complication rate, specific hepatic surgery-related complication rate, and median duration of hospital stay decreased between the P1 and P2 groups: 23.6% vs 12.2% (P = .02), 21.1% vs 4.9% (P < .001), and 7 vs 5 days (P < .001), respectively.

CONCLUSION

Implementation of a CLH surgical management strategy based on specific intraoperative assessment and optimal management of cystobiliary communications improved early postoperative outcomes.

Endoscopic retrograde cholangiopancreatography in ruptured liver hydatid cyst

One of the most common and serious complications of hepatic hydatid cyst disease is communication between the cyst and the biliary tree. Surgical management of biliary fistula is associated with high morbidity and mortality. We retrospectively reviewed the effectiveness of endoscopic treatment of ruptured hydatid cyst into intrahepatic bile ducts. Diagnosis of intrabiliary rupture of hydatid cyst was mostly suspected by acute cholangitis, jaundice, pain, and/or persistent external biliary fistula after surgery. The diagnosis was confirmed by radiology and endoscopic retrograde cholangiopancreatography (ERCP) findings. We retrospectively reviewed clinical, laboratory, imagery, and ERCP findings for all patients. The therapeutic methods performed were endoscopic sphincterotomy, extraction by balloon or Dormia basket, stenting, or nasobiliary drainage. Sixteen patients with ruptured hepatic hydatid cyst into bile ducts were seen in 9 years. Nine of 16 patients had a surgical history of hepatic hydatid cyst and three patients had a percutanous treatment history. We carried out ERCP with sphincterotomy and extraction of hydatid materials (extraction balloon n = 11; Dormia basket n = 5) or biliary drainage (nasobiliary drainage n = 1; biliary stenting n = 1). The fistula healed in 80 % of patients with a median time of 6 weeks [range, 1-12] after endoscopic treatment. ERCP was an effective method of treatment for hepatic hydatid cyst with biliary fistula.

Non-surgical and non-chemical attempts to treat echinococcosis: do they work?

Cystic echinococcosis (CE) and alveolar echinococcosis (AE) are chronic, complex and neglected diseases. Their treatment depends on a number of factors related to the lesion, setting and patient. We performed a literature review of curative or palliative non-surgical, non-chemical interventions in CE and AE. In CE, some of these techniques, like radiofrequency thermal ablation (RFA), were shelved after initial attempts, while others, such as High-Intensity Focused Ultrasound, appear promising but are still in a pre-clinical phase. In AE, RFA has never been tested, however, radiotherapy or heavy-ion therapies have been attempted in experimental models. Still, application to humans is questionable. In CE, although prospective clinical studies are still lacking, therapeutic, non-surgical drainage techniques, such as PAIR (puncture, aspiration, injection, re-aspiration) and its derivatives, are now considered a useful option in selected cases. Finally, palliative, non-surgical drainage techniques such as US- or CT-guided percutaneous biliary drainage, centro-parasitic abscesses drainage, or vascular stenting were performed successfully. Recently, endoscopic retrograde cholangiopancreatography (ERCP)-associated techniques have become increasingly used to manage biliary fistulas in CE and biliary obstructions in AE. Development of pre-clinical animal models would allow testing for AE techniques developed for other indications, e.g. cancer. Prospective trials are required to determine the best use of PAIR, and associated procedures, and the indications and techniques of palliative drainage.

The role of perioperative endoscopic retrograde cholangiopancreatography and biliary drainage in large liver hydatid cysts

Background. The best surgical technique for large liver hydatid cysts (LHCs) has not yet been agreed on. Objectives. The objective of this study was to examine the role of perioperative endoscopic retrograde cholangiopancreatography (ERCP) and biliary drainage in patients with large LHCs. Methods. A 20-year retrospective study of patients with LHCs treated surgically at the University Clinical Center of Kosovo (UCCK). We divided patients into 2 groups based on treatment period: 1981–1990 (Group I) and 2001–2010 (Group II). Demographic characteristics (sex, age), the surgical procedure performed, complications rate, and outcomes were compared. Results. Of the 340 patients in our study, 218 (64.1%) were female with median age of 37 years (range, 17 to 81 years). 71% of patients underwent endocystectomy with partial pericystectomy and omentoplication, 8% total pericystectomy, 18% endocystectomy with capitonnage, and 3% external drainage. In Group I, 10 patients underwent bile duct exploration and T-tube placement; in Group II, 39 patients underwent bile duct exploration and T-tube placement. In addition, 9 patients in Group II underwent perioperative ERCP with papillotomy. The complication rate was 14.32% versus 6.37%, respectively (P = 0.001). Conclusion. Perioperative ERCP and biliary drainage significantly decreased the complication rate and improved outcomes in patients with large LHCs.

Role of endoscopic retrograde cholangiopancreatography in the management of hepatic hydatid disease

Most cases of hepatic hydatid disease exhibit uncomplicated clinical course and management. However, the diagnosis and management of complicated hepatic hydatid disease is a special issue. One of the most common and serious complications of hepatic hydatid disease is the rupture of the cyst into intrahepatic bile ducts. The clinical appearance of intrabiliary rupture can range from asymptomatic to jaundice, cholecystitis, cholangitis, liver abscess, pancreatitis and septicemia. Current treatments for major ruptures can result in high morbidity and mortality rates. Furthermore, ruptures that cannot be diagnosed preoperatively can induce complications such as biliary fistulae, biloma, cavitary infection and obstructive jaundice. In the past, these complications were diagnosed and treated by surgical methods. Currently, complications in both the pre- and postoperative periods are diagnosed and treated by non-invasive or minimally invasive methods. In clinical practice, endoscopic retrograde cholangiopancreatography (ERCP) is indicated for patients with preoperative frank intrabiliary rupture in which hydatid elements are clearly seen in the bile ducts, or for biliary adverse events after surgery, including persistent biliary fistulae and jaundice. However, controversy concerning routine preoperative ERCP and prophylactic endoscopic sphincterotomy in patients suspected of having minor cystobiliary communications still remains. In this article, the role of ERCP in the diagnosis and management of hepatic hydatid disease during the pre- and postoperative periods is reviewed.

Hepatic hydatid cyst: a rare cause of recurrent pancreatitis

A case of pancreatitis secondary to a hepatic hydatid cyst is illustrated together with its preoperative imaging and intraoperative appearance. Cystobiliary communication is a common complication of large hydatid cysts, and episodes of recurrent pancreatitis resulting from passage of cyst contents down the biliary tract are rarely described. The clinical manifestations, diagnostic workup, and surgical management options of echinococcal-related pancreatitis are discussed, and a review of the literature is provided.

Is radical surgery feasible in liver hydatid cysts in contact with the inferior vena cava?

BACKGROUND

Cysts in contact with the inferior vena cava (IVC) represent a challenge for hepato-pancreatico-biliary surgeons. Although the literature on the topic is scarce, the most widely accepted approach is conservative surgery. Partial cyst resection is recommended, because radical resection is considered a high-risk procedure.

STUDY DESIGN

This was a retrospective study over the period January 2007-December 2012. We operated on 103 patients with liver hydatidosis. A total of 32 patients (31 %) had a liver cyst in contact with the IVC. We proposed a cyst classification based on location of the cyst and length of contact and degrees of involvement of the IVC.

RESULTS

Median size of the contacting cyst measured by computed tomography (CT) was 12 cm. On CT, median length of contact with the IVC was 37 mm. The median degree of involvement was 90°. Radical surgery was performed in 20 patients (62.5 %). No IVC resection was done. Morbidity rate was 28 %, and mortality was 3 %. In follow-up (median 27 months), no relapses or problems related to IVC flow were detected. Postoperative stay and transfusion rate were higher in the conservative surgery group, but these patients presented fewer complications. There was no relationship between circumferential grades and length of contact with the IVC and the type of surgery performed.

CONCLUSIONS

Liver hydatid cysts in contact with the IVC are large cysts usually located in the right liver. They do not normally cause clinical symptoms related to IVC contact. Radical surgery is feasible, and was performed in 60 % of our series, but it is technically demanding. We propose a classification of cysts in contact with the IVC.

Frank intrabiliary rupture in liver hydatidosis located in the hilar plate: a surgical challenge

BACKGROUND

Frank intrabiliary rupture (FIR) is a severe complication that occurs in around 30% of patients with liver hydatidosis. When FIR is present, the contents of the cyst may pass into the common bile duct and cause a variety of complications. If the FIR is located in the hilar confluence, surgical repair is a challenge. Currently there are no data regarding its optimum treatment.

MATERIAL AND METHODS

Between May 2007 and December 2012, we treated 59 patients with liver hydatidosis. Four patients, all women, with a mean age of 51.7 years, had hydatid cysts located between segments IVb and V and FIR affecting the hilar plate. In 3 cases, the initial clinical condition was obstructive jaundice. The fourth patient presented recurrence after having undergone two operations as a child.

RESULTS

In each patient a major hepatectomy was performed with hilar plate reconstruction (3 left and 1 right). Morbidity included mild biliary fistula (1 patient) and abdominal collection resolved by percutaneous drainage (1 patient). There was no mortality. During follow-up (47 months), no recurrences of the disease or biliary strictures were recorded.

CONCLUSIONS

FIR is a severe complication of liver hydatidosis. When it is located in the hilar confluence, liver resection may be the best surgical option for definitive resolution of the problem.