BACKGROUND The liver hemodynamic changes caused by portal hypertension(PH)are closely related to various complications such as gastroesophageal varices and portosystemic shunts,which may lead to adverse clinical outco...BACKGROUND The liver hemodynamic changes caused by portal hypertension(PH)are closely related to various complications such as gastroesophageal varices and portosystemic shunts,which may lead to adverse clinical outcomes in these patients,so it is of great clinical significance to find treatment strategies with favorable clinical efficacy and low risk of complications.AIM To study the clinical efficacy of total laparoscopic splenectomy(TLS)for PH and its influence on hepatic hemodynamics and liver function.METHODS Among the 199 PH patients selected from October 2016 to October 2020,100 patients[observation group(OG)]were treated with TLS,while the remaining 99[reference group(RG)]were treated with open splenectomy(OS).We observed and compared the clinical efficacy,operation indexes[operative time(OT)and intraoperative bleeding volume],safety(intraperitoneal hemorrhage,ascitic fluid infection,eating disorders,liver insufficiency,and perioperative death),hepatic hemodynamics(diameter,velocity,and flow volume of the portal vein system),and liver function[serum alanine aminotransferase(ALT),serum aspartate aminotransferase(AST),and serum total bilirubin(TBil)]of the two groups.RESULTS The OT was significantly longer and intraoperative bleeding volume was significantly lesser in the OG than in the RG.Additionally,the overall response rate,postoperative complications rate,and liver function indexes(ALT,AST,and TBil)did not differ significantly between the OG and RG.The hepatic hemodynamics statistics showed that the pre-and postoperative blood vessel diameters in the two cohorts did not differ statistically.Although the postoperative blood velocity and flow volume reduced significantly when compared with the preoperative values,there were no significant inter-group differences.CONCLUSION TLS contributes to comparable clinical efficacy,safety,hepatic hemodynamics,and liver function as those of OS in treating PH,with a longer OT but lesser intraoperative blood loss.展开更多
BACKGROUND Partial splenic embolization(PSE)has been suggested as an alternative to splenectomy in the treatment of hypersplenism.However,some patients may experience recurrence of hypersplenism after PSE and require ...BACKGROUND Partial splenic embolization(PSE)has been suggested as an alternative to splenectomy in the treatment of hypersplenism.However,some patients may experience recurrence of hypersplenism after PSE and require splenectomy.Currently,there is a lack of evidence-based medical support regarding whether preoperative PSE followed by splenectomy can reduce the incidence of complications.AIM To investigate the safety and therapeutic efficacy of preoperative PSE followed by splenectomy in patients with cirrhosis and hypersplenism.METHODS Between January 2010 and December 2021,321 consecutive patients with cirrhosis and hypersplenism underwent splenectomy at our department.Based on whether PSE was performed prior to splenectomy,the patients were divided into two groups:PSE group(n=40)and non-PSE group(n=281).Patient characteristics,postoperative complications,and follow-up data were compared between groups.Propensity score matching(PSM)was conducted,and univariable and multivariable analyses were used to establish a nomogram predictive model for intraoperative bleeding(IB).The receiver operating characteristic curve,Hosmer-Lemeshow goodness-of-fit test,and decision curve analysis(DCA)were employed to evaluate the differentiation,calibration,and clinical performance of the model.RESULTS After PSM,the non-PSE group showed significant reductions in hospital stay,intraoperative blood loss,and operation time(all P=0.00).Multivariate analysis revealed that spleen length,portal vein diameter,splenic vein diameter,and history of PSE were independent predictive factors for IB.A nomogram predictive model of IB was constructed,and DCA demonstrated the clinical utility of this model.Both groups exhibited similar results in terms of overall survival during the follow-up period.CONCLUSION Preoperative PSE followed by splenectomy may increase the incidence of IB and a nomogram-based prediction model can predict the occurrence of IB.展开更多
BACKGROUND Hypersplenism and esophageal varices bleeding are the major complications of portal hypertension(PHT).In recent years,increasing attention has been given to spleen preservation operations.The mode and long-...BACKGROUND Hypersplenism and esophageal varices bleeding are the major complications of portal hypertension(PHT).In recent years,increasing attention has been given to spleen preservation operations.The mode and long-term effects of subtotal splenectomy and selective pericardial devascularization for PHT remain controversial.AIM To investigate the clinical efficacy and safety of subtotal splenectomy combined with selective pericardial devascularization for the treatment of PHT.METHODS This was a retrospective study of 15 patients with PHT who underwent subtotal splenectomy not preserving the splenic artery or vein combined with selective pericardial devascularization in the Department of Hepatobiliary Surgery,Qilu Hospital of Shandong University from February 2011 to April 2022.Fifteen propensity score-matched patients with PHT who underwent total splenectomy at the same time served as the control group.The patients were followed for up to 11 years after surgery.We compared the postoperative platelet levels,perioperative splenic vein thrombosis,and serum immunoglobulin levels between the two groups.Abdominal enhanced computed tomography was used to evaluate the blood supply and function of the residual spleen.The operation time,intraoperative blood loss,evacuation time,and hospital stay were compared between the two groups.RESULTS The postoperative platelet level of patients in the subtotal splenectomy group was significantly lower than that in the total splenectomy group(P<0.05),and the postoperative portal system thrombosis rate in the subtotal splenectomy group was also much lower than that in the total splenectomy group.The levels of serum immunoglobulins(IgG,IgA,and IgM)showed no significant differences after surgery compared with before surgery in the subtotal splenectomy group(P>0.05),but serum immunoglobulin IgG and IgM levels decreased dramatically after total splenectomy(P<0.05).The operation time in the subtotal splenectomy group was longer than that in the total splenectomy group(P<0.05),but there were no significant differences in the amount of intraoperative blood loss,evacuation time,or hospital stay between the two groups.CONCLUSION Subtotal splenectomy not preserving the splenic artery or vein combined with selective pericardial devascularization is a safe and effective surgical treatment for patients with PHT,not only correcting hypersplenism but also preserving splenic function,especially immunological function.展开更多
AIM:To determine an optimal cutoff value for abnormal splenic artery diameter/proper hepatic artery diameter(S/P) ratio in cirrhosis-induced portal hypertension.METHODS:Patients with cirrhosis and portal hypertension(...AIM:To determine an optimal cutoff value for abnormal splenic artery diameter/proper hepatic artery diameter(S/P) ratio in cirrhosis-induced portal hypertension.METHODS:Patients with cirrhosis and portal hypertension(n = 770) and healthy volunteers(n = 31) underwent volumetric computed tomography threedimensional vascular reconstruction to measure the internal diameters of the splenic artery and proper hepatic artery to calculate the S/P ratio.The cutoff value for abnormal S/P ratio was determined using receiver operating characteristic curve analysis,and the prevalence of abnormal S/P ratio and associations between abnormal S/P ratio and major complications of portal hypertension were studied using logistic regression.RESULTS:The receiver operating characteristic analysis showed that the cutoff points for abnormal splenic artery internal diameter and S/P ratio were > 5.19 mm and > 1.40,respectively.The sensitivity,specificity,positive predictive value,and negative predictive value were 74.2%,45.2%,97.1%,and 6.6%,respectively.The prevalence of an abnormal S/P ratio in the patients with cirrhosis and portal hypertension was 83.4%.Patients with a higher S/P ratio had a lower risk of developing ascites [odds ratio(OR) = 0.708,95%CI:0.508-0.986,P = 0.041] and a higher risk of developing esophageal and gastric varices(OR = 1.483,95%CI:1.010-2.175,P = 0.044) and forming collateral circulation(OR = 1.518,95%CI:1.033-2.230,P = 0.034).After splenectomy,the portal venous pressure and maximum and mean portal venous flow velocities were reduced,while the flow rate and maximum and minimum flow velocities of the hepatic artery were increased(P < 0.05).CONCLUSION:The prevalence of an abnormal S/P ratio is high in patients with cirrhosis and portal hypertension,and it can be used as an important marker of splanchnic hemodynamic disturbances.展开更多
The displacement of spleen from its normal location to other places is known as wandering spleen(WS)and is a rare disease.The repeated torsion of WS is due to the presence of long pedicle and absence/laxity of anchori...The displacement of spleen from its normal location to other places is known as wandering spleen(WS)and is a rare disease.The repeated torsion of WS is due to the presence of long pedicle and absence/laxity of anchoring ligaments.A WS is an extremely rare cause of left-sided portal hypertension(PHT)and severe gastric variceal bleeding.Left-sided PHT usually occurs as a result of splenic vein occlusion caused by splenic torsion,extrinsic compression of the splenic pedicle by enlarged spleen,and splenic vein thrombosis.There is a paucity of data on WSrelated PHT,and these data are mostly in the form of case reports.In this review,we have analyzed the data of 20 reported cases of WS-related PHT.The mechanisms of pathogenesis,clinico-demographic profile,and clinical implications are described in this article.The majority of patients were diagnosed in the second to third decade of life(mean age:26 years),with a strong female preponderance(M:F=1:9).Eleven of the 20 WS patients with left-sided PHT presented with abdominal pain and mass.In 6 of the 11 patients,varices were detected incidentally on preoperative imaging studies or discovered intraoperatively.Therefore,pre-operative search for varices is required in patients with splenic torsion.展开更多
目的探讨门静脉高压症术后门静脉系统血栓(portal venous system thrombosis,PVST)形成的原因及其防治措施。方法对132例门静脉高压症患者行脾切除联合贲门周围血管离断术,术中均经胃网膜右静脉置入导管测压并留置导管,其中36例患者(设...目的探讨门静脉高压症术后门静脉系统血栓(portal venous system thrombosis,PVST)形成的原因及其防治措施。方法对132例门静脉高压症患者行脾切除联合贲门周围血管离断术,术中均经胃网膜右静脉置入导管测压并留置导管,其中36例患者(设为试验组,其余设为对照组)术中增加脾静脉近端结扎。术后早期经导管滴注肝素盐水预防血栓,或发生血栓后滴注尿激酶溶栓,出院后口服华法林,使预防和治疗血栓的效果分别达到国际标准化比值(INR)维持于1.5~2.0和2.0~3.0,并直至血小板数量恢复正常。结果术后2周内发生PVST共132例(100%),血栓分布:残余脾静脉血栓132例(100%),门静脉血栓(PVT)39例(29.5%)。在39例PVT中,门静脉主干血栓33例,主干血栓均与残余脾静脉血栓相连,其中15例血栓最大横截面积<50%,14例血栓最大横截面积≥50%,4例为完全性血栓;肠系膜上静脉血栓6例,其中4例合并门静脉主干血栓并与肠系膜上静脉血栓相连,2例存在门静脉分支血栓且肠系膜上静脉血栓与脾静脉血栓相连。39例PVT中,门静脉左支血栓21例,门静脉右支血栓18例;PVT 2处及以上者25例。在试验组36例脾静脉近端结扎的患者中,发生门静脉主干血栓1例(2.8%);在对照组未采用脾静脉近端结扎的96例中发生PVT 38例(39.6%),两者对比差异有统计学意义(P<0.001)。对39例PVT采用抗凝及溶栓治疗,其中33例在术后6个月获得随访并进行CT检查,发现血栓消失、机化再通和海绵样变各23例、7例和3例。结论肝硬化门静脉高压症行脾切除联合贲门周围血管离断术后早期残余脾静脉内易形成血栓,残余脾静脉血栓向门静脉内蔓延是发生术后PVT的主要原因。脾静脉近端结扎的预防效果显著,经胃网膜右静脉留置导管,术后滴注肝素盐水和溶栓剂兼具预防和治疗双重作用,口服华法林效果确切但需检测凝血功能。展开更多
基金The study was reviewed and approved by the Chinese PLA General Hospital Institutional Review Board(Approval No.2010068D).
文摘BACKGROUND The liver hemodynamic changes caused by portal hypertension(PH)are closely related to various complications such as gastroesophageal varices and portosystemic shunts,which may lead to adverse clinical outcomes in these patients,so it is of great clinical significance to find treatment strategies with favorable clinical efficacy and low risk of complications.AIM To study the clinical efficacy of total laparoscopic splenectomy(TLS)for PH and its influence on hepatic hemodynamics and liver function.METHODS Among the 199 PH patients selected from October 2016 to October 2020,100 patients[observation group(OG)]were treated with TLS,while the remaining 99[reference group(RG)]were treated with open splenectomy(OS).We observed and compared the clinical efficacy,operation indexes[operative time(OT)and intraoperative bleeding volume],safety(intraperitoneal hemorrhage,ascitic fluid infection,eating disorders,liver insufficiency,and perioperative death),hepatic hemodynamics(diameter,velocity,and flow volume of the portal vein system),and liver function[serum alanine aminotransferase(ALT),serum aspartate aminotransferase(AST),and serum total bilirubin(TBil)]of the two groups.RESULTS The OT was significantly longer and intraoperative bleeding volume was significantly lesser in the OG than in the RG.Additionally,the overall response rate,postoperative complications rate,and liver function indexes(ALT,AST,and TBil)did not differ significantly between the OG and RG.The hepatic hemodynamics statistics showed that the pre-and postoperative blood vessel diameters in the two cohorts did not differ statistically.Although the postoperative blood velocity and flow volume reduced significantly when compared with the preoperative values,there were no significant inter-group differences.CONCLUSION TLS contributes to comparable clinical efficacy,safety,hepatic hemodynamics,and liver function as those of OS in treating PH,with a longer OT but lesser intraoperative blood loss.
基金Supported by National Natural Science Foundations of China,No.82174160and Anhui Natural Science Foundation,No.2008085QH389。
文摘BACKGROUND Partial splenic embolization(PSE)has been suggested as an alternative to splenectomy in the treatment of hypersplenism.However,some patients may experience recurrence of hypersplenism after PSE and require splenectomy.Currently,there is a lack of evidence-based medical support regarding whether preoperative PSE followed by splenectomy can reduce the incidence of complications.AIM To investigate the safety and therapeutic efficacy of preoperative PSE followed by splenectomy in patients with cirrhosis and hypersplenism.METHODS Between January 2010 and December 2021,321 consecutive patients with cirrhosis and hypersplenism underwent splenectomy at our department.Based on whether PSE was performed prior to splenectomy,the patients were divided into two groups:PSE group(n=40)and non-PSE group(n=281).Patient characteristics,postoperative complications,and follow-up data were compared between groups.Propensity score matching(PSM)was conducted,and univariable and multivariable analyses were used to establish a nomogram predictive model for intraoperative bleeding(IB).The receiver operating characteristic curve,Hosmer-Lemeshow goodness-of-fit test,and decision curve analysis(DCA)were employed to evaluate the differentiation,calibration,and clinical performance of the model.RESULTS After PSM,the non-PSE group showed significant reductions in hospital stay,intraoperative blood loss,and operation time(all P=0.00).Multivariate analysis revealed that spleen length,portal vein diameter,splenic vein diameter,and history of PSE were independent predictive factors for IB.A nomogram predictive model of IB was constructed,and DCA demonstrated the clinical utility of this model.Both groups exhibited similar results in terms of overall survival during the follow-up period.CONCLUSION Preoperative PSE followed by splenectomy may increase the incidence of IB and a nomogram-based prediction model can predict the occurrence of IB.
基金Supported by Chinese Postdoctoral Science Foundation,No. 2022M711911
文摘BACKGROUND Hypersplenism and esophageal varices bleeding are the major complications of portal hypertension(PHT).In recent years,increasing attention has been given to spleen preservation operations.The mode and long-term effects of subtotal splenectomy and selective pericardial devascularization for PHT remain controversial.AIM To investigate the clinical efficacy and safety of subtotal splenectomy combined with selective pericardial devascularization for the treatment of PHT.METHODS This was a retrospective study of 15 patients with PHT who underwent subtotal splenectomy not preserving the splenic artery or vein combined with selective pericardial devascularization in the Department of Hepatobiliary Surgery,Qilu Hospital of Shandong University from February 2011 to April 2022.Fifteen propensity score-matched patients with PHT who underwent total splenectomy at the same time served as the control group.The patients were followed for up to 11 years after surgery.We compared the postoperative platelet levels,perioperative splenic vein thrombosis,and serum immunoglobulin levels between the two groups.Abdominal enhanced computed tomography was used to evaluate the blood supply and function of the residual spleen.The operation time,intraoperative blood loss,evacuation time,and hospital stay were compared between the two groups.RESULTS The postoperative platelet level of patients in the subtotal splenectomy group was significantly lower than that in the total splenectomy group(P<0.05),and the postoperative portal system thrombosis rate in the subtotal splenectomy group was also much lower than that in the total splenectomy group.The levels of serum immunoglobulins(IgG,IgA,and IgM)showed no significant differences after surgery compared with before surgery in the subtotal splenectomy group(P>0.05),but serum immunoglobulin IgG and IgM levels decreased dramatically after total splenectomy(P<0.05).The operation time in the subtotal splenectomy group was longer than that in the total splenectomy group(P<0.05),but there were no significant differences in the amount of intraoperative blood loss,evacuation time,or hospital stay between the two groups.CONCLUSION Subtotal splenectomy not preserving the splenic artery or vein combined with selective pericardial devascularization is a safe and effective surgical treatment for patients with PHT,not only correcting hypersplenism but also preserving splenic function,especially immunological function.
基金Supported by Grants from Beijing Municipal Health Bureau, No.2011-2-18the Capital Health Development Special Funds, No.2011-2018-03
文摘AIM:To determine an optimal cutoff value for abnormal splenic artery diameter/proper hepatic artery diameter(S/P) ratio in cirrhosis-induced portal hypertension.METHODS:Patients with cirrhosis and portal hypertension(n = 770) and healthy volunteers(n = 31) underwent volumetric computed tomography threedimensional vascular reconstruction to measure the internal diameters of the splenic artery and proper hepatic artery to calculate the S/P ratio.The cutoff value for abnormal S/P ratio was determined using receiver operating characteristic curve analysis,and the prevalence of abnormal S/P ratio and associations between abnormal S/P ratio and major complications of portal hypertension were studied using logistic regression.RESULTS:The receiver operating characteristic analysis showed that the cutoff points for abnormal splenic artery internal diameter and S/P ratio were > 5.19 mm and > 1.40,respectively.The sensitivity,specificity,positive predictive value,and negative predictive value were 74.2%,45.2%,97.1%,and 6.6%,respectively.The prevalence of an abnormal S/P ratio in the patients with cirrhosis and portal hypertension was 83.4%.Patients with a higher S/P ratio had a lower risk of developing ascites [odds ratio(OR) = 0.708,95%CI:0.508-0.986,P = 0.041] and a higher risk of developing esophageal and gastric varices(OR = 1.483,95%CI:1.010-2.175,P = 0.044) and forming collateral circulation(OR = 1.518,95%CI:1.033-2.230,P = 0.034).After splenectomy,the portal venous pressure and maximum and mean portal venous flow velocities were reduced,while the flow rate and maximum and minimum flow velocities of the hepatic artery were increased(P < 0.05).CONCLUSION:The prevalence of an abnormal S/P ratio is high in patients with cirrhosis and portal hypertension,and it can be used as an important marker of splanchnic hemodynamic disturbances.
文摘The displacement of spleen from its normal location to other places is known as wandering spleen(WS)and is a rare disease.The repeated torsion of WS is due to the presence of long pedicle and absence/laxity of anchoring ligaments.A WS is an extremely rare cause of left-sided portal hypertension(PHT)and severe gastric variceal bleeding.Left-sided PHT usually occurs as a result of splenic vein occlusion caused by splenic torsion,extrinsic compression of the splenic pedicle by enlarged spleen,and splenic vein thrombosis.There is a paucity of data on WSrelated PHT,and these data are mostly in the form of case reports.In this review,we have analyzed the data of 20 reported cases of WS-related PHT.The mechanisms of pathogenesis,clinico-demographic profile,and clinical implications are described in this article.The majority of patients were diagnosed in the second to third decade of life(mean age:26 years),with a strong female preponderance(M:F=1:9).Eleven of the 20 WS patients with left-sided PHT presented with abdominal pain and mass.In 6 of the 11 patients,varices were detected incidentally on preoperative imaging studies or discovered intraoperatively.Therefore,pre-operative search for varices is required in patients with splenic torsion.
