BACKGROUND Hepatic venous outflow obstruction(HVOO)is a rare but serious complication of liver transplantation,particularly in piggyback liver transplantation techniques where the inferior vena cava(IVC)is preserved.C...BACKGROUND Hepatic venous outflow obstruction(HVOO)is a rare but serious complication of liver transplantation,particularly in piggyback liver transplantation techniques where the inferior vena cava(IVC)is preserved.CASE SUMMARY A transplanted liver patient underwent retransplantation due to hepatic artery thrombosis and subsequently developed HVOO caused by graft compression of the IVC.A novel approach using a retrohepatic tissue expander effectively relieved the IVC compression,restored venous outflow,and stabilized hemodynamics.We discuss this case in the context of current treatment options and advances in HVOO management,from endovascular interventions such as balloon dilation and stenting to innovative surgical solutions such as graft repositioning and retrohepatic implants.CONCLUSION This case shows how important personalized treatments are for managing HVOO and how tissue expanders can be an adjustable and less invasive option.展开更多
In this article,we comment on the article by Wang et al published in the recent issue of the World Journal of Gastroenterology Surgery.Most prominent advancements in liver surgery in the last two decades are related t...In this article,we comment on the article by Wang et al published in the recent issue of the World Journal of Gastroenterology Surgery.Most prominent advancements in liver surgery in the last two decades are related to refinements in surgical technique(extraglissonean approach)and advancements in surgical technology(laparoscopy and robotics).In this article,authors present both these aspects:Laparoscopic segmentectomy using extraglissonean approach.Furthermore,they describe segmental resections of all 8 segments which is the main novelty that can be observed in the article.By now,extraglissonean approach was thoroughly described mainly in hepatectomies or lateral sectionectomies.Various“hilar gates”are defined which allows safe liver resection by ligating Glissonean pedicles first which is then followed by parenchymal resection.We here focus on past,present and future perspectives of extraglissonean approach and laparoscopic liver resections and comment the value of the presented article.展开更多
BACKGROUND Choledochal cysts(CC)are cystic dilatations of the biliary tract,usually diagnosed during childhood,with an estimated incidence in the general population of 1:100000.Complications related to CC include rupt...BACKGROUND Choledochal cysts(CC)are cystic dilatations of the biliary tract,usually diagnosed during childhood,with an estimated incidence in the general population of 1:100000.Complications related to CC include rupture,biliary obstruction,and cholangitis.Maternal CC in pregnancy are rarely reported,and there are no guidelines on optimal management.AIM To systematically review maternal CC diagnosed during pregnancy or postpartum with regard to the clinical presentation of CC,the mode of treatment and delivery,and maternal outcomes.METHODS A literature search of cases and case series of maternal CC in pregnancy and postpartum was conducted using MEDLINE/PubMed,Web of Science,Google Scholar,and Embase.There were no restrictions on language or publication year.Databases were lastly accessed on September 1,2022.RESULTS Overall,71 publications met the inclusion criteria,reporting 97 cases.Eighty-eight cases were diagnosed during pregnancy and nine in the puerperium.The most common symptoms were abdominal pain(81.2%)and jaundice(60.4%).Interventions for CC complications were required in 52.5%of the cases,and 34%of pregnancies were induced.Urgent cesarean section(CS)was done in 24.7%.The maternal mortality was 7.2%,while fetal mortality was inconsistently reported.Cholangitis,CC>15 cm,and bilirubin levels>80 mmol/L were associated with a higher likelihood of urgent CS and surgical intervention for CC.Bilirubin levels positively correlated with CC size.There was no correlation between age and cyst dimension,gestational age at cyst discovery,and CC size.CONCLUSION Although rare,maternal CC in pregnancy should be included in the evaluation of jaundice with upper abdominal pain.Symptomatology and clinical course are variable,and treatment may range from an expectative approach to emergent surgical CC treatment and urgent CS.While most cases were managed by conservative measures or drainage procedures,CC>15 cm and progressive cholangitis carry the risk of CC rupture and septic complications,which may increase the rates of unfavorable maternal and fetal outcomes.Therefore,such cases require specific surgical and obstetric interventions.展开更多
BACKGROUND Pancreatic resection is still associated with high morbidity rates and delayed postpancreatectomy hemorrhage(PPH)is the most feared complication as it may lead to hemorrhagic shock or serious septic complic...BACKGROUND Pancreatic resection is still associated with high morbidity rates and delayed postpancreatectomy hemorrhage(PPH)is the most feared complication as it may lead to hemorrhagic shock or serious septic complications.Today,endovascular approach represent safe and efficient method for minimally invasive management of extraluminal PPH.CASE SUMMARY We describe four patients whose postoperative recovery after pancreatic resection was complicated by postoperative pancreatic fistula(POPF)and visceral artery hemorrhage.In all cases endovascular approach was utilized and it resulted in satisfactory outcomes.We discuss modern diagnostic and therapeutic approach in this clinical scenario.CONCLUSION PPH is relatively uncommon,but it is a leading cause of surgical mortality after pancreatic surgery.Careful monitoring and meticulous follow-up are required for all patients post-operatively,especially in the case of confirmed POPF,which is the most significant risk factor for the development of a PPH.Angiography as a diagnostic and therapeutic method may be an optimal first-line treatment for the management of delayed PPHs.In our experience,endovascular treatment for hemorrhagic complications of pancreatic resections has shown satisfactory results.展开更多
Background:Primarily unresectable liver tumors may be approached by the Associating Liver Partition and Portal vein Ligation for Staged Hepatectomy(ALPPS)procedure.Post-hepatectomy liver failure(PHLF)poses the most si...Background:Primarily unresectable liver tumors may be approached by the Associating Liver Partition and Portal vein Ligation for Staged Hepatectomy(ALPPS)procedure.Post-hepatectomy liver failure(PHLF)poses the most significant risk factor for poor outcomes.The AST-to-platelets ratio index(APRI)/albumin-to-bilirubin index(ALBI)score has been proposed as an easy and routinely available score to monitor liver function.Here,we explored the predictive capability of the APRI/ALBI score to determine PHLF and perioperative morbidity to help determine the optimal timing of the 2nd stage of ALPPS.Methods:Based on the international multicenter ALPPS registry,patients from 2012 to 2020 with an available APRI/ALBI score were included.Postoperative outcomes clinically relevant PHLF B+C,90-day mortality,and severe morbidity(≥Clavien-Dindo 3b)after ALPPS stage II were assessed.The APRI/ALBI score was monitored perioperatively,and the predictive value was evaluated using logistic regression and receiver operating characteristics.Performance of APRI/ALBI score was compared to the ALPPS futility risk score in this cohort study.Results:Overall,464 patients from 16 participating centers were included.Clinically relevant PHLF(B+C)was observed in 7.5% of patients,of which 63% ultimately died.After stage I,the APRI/ALBI score gradually recovered.The pre-stage II APRI/ALBI score significantly predicted clinically relevant PHLF[area under the curve(AUC)=0.78;P<0.001],90-day mortality(AUC=0.67;P=0.002),and severe morbidity(AUC=0.65;P<0.001).Three clinically relevant APRI/ALBI score risk groups were defined:clinically relevant PHLF occurred in 3.1%in the low-,8.7%in the intermediate-,and 28.0%in the high-risk groups.90-day mortality was 6.8%in the low-,15.9% in the intermediate-,and 19.4%in the high-risk groups.Integrated assessment of the established futility risk score in combination with the APRI/ALBI score documented further increased predictive potential for clinically relevant PHLF(AUC 0.81;P<0.001).Conclusions:The APRI/ALBI score allows for simple and dynamic liver function recovery monitoring after the first ALPPS stage.Inadequate recovery of the APRI/ALBI score until ALPPS stage II was associated with PHLF B+C,90-day mortality,and severe morbidity.With the proposed risk model,optimized timing of the second stage of ALPPS may further increase the safety of this procedure.展开更多
文摘BACKGROUND Hepatic venous outflow obstruction(HVOO)is a rare but serious complication of liver transplantation,particularly in piggyback liver transplantation techniques where the inferior vena cava(IVC)is preserved.CASE SUMMARY A transplanted liver patient underwent retransplantation due to hepatic artery thrombosis and subsequently developed HVOO caused by graft compression of the IVC.A novel approach using a retrohepatic tissue expander effectively relieved the IVC compression,restored venous outflow,and stabilized hemodynamics.We discuss this case in the context of current treatment options and advances in HVOO management,from endovascular interventions such as balloon dilation and stenting to innovative surgical solutions such as graft repositioning and retrohepatic implants.CONCLUSION This case shows how important personalized treatments are for managing HVOO and how tissue expanders can be an adjustable and less invasive option.
文摘In this article,we comment on the article by Wang et al published in the recent issue of the World Journal of Gastroenterology Surgery.Most prominent advancements in liver surgery in the last two decades are related to refinements in surgical technique(extraglissonean approach)and advancements in surgical technology(laparoscopy and robotics).In this article,authors present both these aspects:Laparoscopic segmentectomy using extraglissonean approach.Furthermore,they describe segmental resections of all 8 segments which is the main novelty that can be observed in the article.By now,extraglissonean approach was thoroughly described mainly in hepatectomies or lateral sectionectomies.Various“hilar gates”are defined which allows safe liver resection by ligating Glissonean pedicles first which is then followed by parenchymal resection.We here focus on past,present and future perspectives of extraglissonean approach and laparoscopic liver resections and comment the value of the presented article.
文摘BACKGROUND Choledochal cysts(CC)are cystic dilatations of the biliary tract,usually diagnosed during childhood,with an estimated incidence in the general population of 1:100000.Complications related to CC include rupture,biliary obstruction,and cholangitis.Maternal CC in pregnancy are rarely reported,and there are no guidelines on optimal management.AIM To systematically review maternal CC diagnosed during pregnancy or postpartum with regard to the clinical presentation of CC,the mode of treatment and delivery,and maternal outcomes.METHODS A literature search of cases and case series of maternal CC in pregnancy and postpartum was conducted using MEDLINE/PubMed,Web of Science,Google Scholar,and Embase.There were no restrictions on language or publication year.Databases were lastly accessed on September 1,2022.RESULTS Overall,71 publications met the inclusion criteria,reporting 97 cases.Eighty-eight cases were diagnosed during pregnancy and nine in the puerperium.The most common symptoms were abdominal pain(81.2%)and jaundice(60.4%).Interventions for CC complications were required in 52.5%of the cases,and 34%of pregnancies were induced.Urgent cesarean section(CS)was done in 24.7%.The maternal mortality was 7.2%,while fetal mortality was inconsistently reported.Cholangitis,CC>15 cm,and bilirubin levels>80 mmol/L were associated with a higher likelihood of urgent CS and surgical intervention for CC.Bilirubin levels positively correlated with CC size.There was no correlation between age and cyst dimension,gestational age at cyst discovery,and CC size.CONCLUSION Although rare,maternal CC in pregnancy should be included in the evaluation of jaundice with upper abdominal pain.Symptomatology and clinical course are variable,and treatment may range from an expectative approach to emergent surgical CC treatment and urgent CS.While most cases were managed by conservative measures or drainage procedures,CC>15 cm and progressive cholangitis carry the risk of CC rupture and septic complications,which may increase the rates of unfavorable maternal and fetal outcomes.Therefore,such cases require specific surgical and obstetric interventions.
文摘BACKGROUND Pancreatic resection is still associated with high morbidity rates and delayed postpancreatectomy hemorrhage(PPH)is the most feared complication as it may lead to hemorrhagic shock or serious septic complications.Today,endovascular approach represent safe and efficient method for minimally invasive management of extraluminal PPH.CASE SUMMARY We describe four patients whose postoperative recovery after pancreatic resection was complicated by postoperative pancreatic fistula(POPF)and visceral artery hemorrhage.In all cases endovascular approach was utilized and it resulted in satisfactory outcomes.We discuss modern diagnostic and therapeutic approach in this clinical scenario.CONCLUSION PPH is relatively uncommon,but it is a leading cause of surgical mortality after pancreatic surgery.Careful monitoring and meticulous follow-up are required for all patients post-operatively,especially in the case of confirmed POPF,which is the most significant risk factor for the development of a PPH.Angiography as a diagnostic and therapeutic method may be an optimal first-line treatment for the management of delayed PPHs.In our experience,endovascular treatment for hemorrhagic complications of pancreatic resections has shown satisfactory results.
文摘Background:Primarily unresectable liver tumors may be approached by the Associating Liver Partition and Portal vein Ligation for Staged Hepatectomy(ALPPS)procedure.Post-hepatectomy liver failure(PHLF)poses the most significant risk factor for poor outcomes.The AST-to-platelets ratio index(APRI)/albumin-to-bilirubin index(ALBI)score has been proposed as an easy and routinely available score to monitor liver function.Here,we explored the predictive capability of the APRI/ALBI score to determine PHLF and perioperative morbidity to help determine the optimal timing of the 2nd stage of ALPPS.Methods:Based on the international multicenter ALPPS registry,patients from 2012 to 2020 with an available APRI/ALBI score were included.Postoperative outcomes clinically relevant PHLF B+C,90-day mortality,and severe morbidity(≥Clavien-Dindo 3b)after ALPPS stage II were assessed.The APRI/ALBI score was monitored perioperatively,and the predictive value was evaluated using logistic regression and receiver operating characteristics.Performance of APRI/ALBI score was compared to the ALPPS futility risk score in this cohort study.Results:Overall,464 patients from 16 participating centers were included.Clinically relevant PHLF(B+C)was observed in 7.5% of patients,of which 63% ultimately died.After stage I,the APRI/ALBI score gradually recovered.The pre-stage II APRI/ALBI score significantly predicted clinically relevant PHLF[area under the curve(AUC)=0.78;P<0.001],90-day mortality(AUC=0.67;P=0.002),and severe morbidity(AUC=0.65;P<0.001).Three clinically relevant APRI/ALBI score risk groups were defined:clinically relevant PHLF occurred in 3.1%in the low-,8.7%in the intermediate-,and 28.0%in the high-risk groups.90-day mortality was 6.8%in the low-,15.9% in the intermediate-,and 19.4%in the high-risk groups.Integrated assessment of the established futility risk score in combination with the APRI/ALBI score documented further increased predictive potential for clinically relevant PHLF(AUC 0.81;P<0.001).Conclusions:The APRI/ALBI score allows for simple and dynamic liver function recovery monitoring after the first ALPPS stage.Inadequate recovery of the APRI/ALBI score until ALPPS stage II was associated with PHLF B+C,90-day mortality,and severe morbidity.With the proposed risk model,optimized timing of the second stage of ALPPS may further increase the safety of this procedure.
