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Ma C, Wang Y, Zhang H, Duan F, Wang MQ. Partial splenic embolization with embosphere microspheres (700-900 µm) for the treatment of hypersplenism: comparison of selective superior splenic artery embolization and inferior splenic artery embolization. MINIM INVASIV THER 2024:1-10. [PMID: 38606756 DOI: 10.1080/13645706.2024.2339917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 03/11/2024] [Indexed: 04/13/2024]
Abstract
Objective: To compare clinical outcomes of superior versus inferior splenic artery embolization in partial splenic embolization (PSE) and identify predictors of major complications. Material and methods: This retrospective case-control study included 73 patients who underwent PSE between May 2005 and April 2021. They were divided into two groups: the superior and middle splenic artery embolization group (Group A, n = 37) and the inferior and middle splenic artery embolization group (Group B, n = 36). Outcome differences and major complications between the groups were assessed. Logistic regression was used to analyze potential predictors of major complications, and the optimal cutoff value for splenic embolization rates was determined using the Youden index. Results: There were no significant differences in laboratory and radiological outcomes between the two groups. Group A had a significantly lower incidence of major complications than Group B (p = 0.049), a lower Visual Analog Scale (VAS) score for pain (p = 0.036), and a shorter hospital stay (p = 0.022). Independent risk factors for major complications included inferior and middle splenic artery embolization (odds ratio [OR] = 3.672; 95% confidence interval [CI] = 1.028-13.120; p = 0.045) and a higher spleen embolization rate (OR = 1.108; 95% CI = 1.003-1.224; p = 0.044). The optimal cutoff for spleen embolization rate to predict major complications was 59.93% (sensitivity 77.8%, specificity 63.6%). Conclusion: Using 500-700 µm microspheres for PSE, targeting the middle and superior splenic artery yields similar effects to targeting the middle and inferior artery, but results in lower rates of major complications and shorter hospital stays. To effectively minimize the risk of major complications, the embolization rate should be kept below 59.93%, regardless of the target vessel.
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Affiliation(s)
- Chao Ma
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China
| | - Yan Wang
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China
| | - Heng Zhang
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China
| | - Feng Duan
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China
| | - Mao-Qiang Wang
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China
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Kozlov SN, Ivanchov PV, Kondratiuk VA, Nikishyn OL, Altman IV, Leshchynka NO, Kozlov OS. Clinical implementation of partial splenic artery embolization for the prevention of recurrent bleeding from esophageal varices in portal hypertension. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2024; 77:932-936. [PMID: 39008579 DOI: 10.36740/wlek202405108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
OBJECTIVE Aim: To evaluate the effectiveness of PSAE for secondary prevention of VB episodes in patients with chronic liver disease (CLD) and CSPH. PATIENTS AND METHODS Materials and Methods: One hundred twenty patients (from 2008 to 2020) were submitted of PSAE as secondary prevention treatment. The results of the treatment of 27 patients between 2008 and 2012 (first period) were compared with those of 93 patients treated with PSAE since 2013 (second period), as procedure and management protocol were modificated. VB recurrence rate and mortality (related and non-related to bleeding episodes) were defined as study end-points in both groups at 12-months follow-up. RESULTS Results: At 12-months follow-up, 11 (40,7 %) and 54 (58,1 %) patients in groups 1 and 2, respectively, were free from VBs (p=0,129). Overall mortality rate was significantly higher in group 1, as compared to group 2: 10 (37,0 %) versus 6 (6,4 %) patients, respectively (p<0,001), - due to higher frequency of fatal VB events (7 (26,0 %) vs. 3 (3,2 %) patients, respectively; p=0,001). CONCLUSION Conclusions: PSAE is an effective treatment for secondary prevention of VB in patients with CLD and CSPS. The management protocol modification resulted in the decrease in overall mortality rate and mortality related to recurrent VB episodes.
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Affiliation(s)
| | | | - Vadim A Kondratiuk
- STATE INSTITUTION ≪NATIONAL INSTITUTE OF SURGERY AND TRANSPLANTOLOGY N.A. O. SHALIMOV NATIONAL MEDICAL SCIENCES ACADEMY OF UKRAINE≫, KYIV, UKRAINE
| | - Oleksandr L Nikishyn
- STATE INSTITUTION ≪SCIENTIFIC-PRACTICAL CENTER OF ENDOVASCULAR NEURORADIOLOGY NAMS OF UKRAINE≫, KYIV, UKRAINE
| | - Igor V Altman
- STATE INSTITUTION ≪SCIENTIFIC-PRACTICAL CENTER OF ENDOVASCULAR NEURORADIOLOGY NAMS OF UKRAINE≫, KYIV, UKRAINE
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Fiordaliso M, Marincola G, Pala B, Muraro R, Mazzone M, Di Marcantonio MC, Mincione G. A Narrative Review on Non-Cirrohotic Portal Hypertension: Not All Portal Hypertensions Mean Cirrhosis. Diagnostics (Basel) 2023; 13:3263. [PMID: 37892084 PMCID: PMC10606323 DOI: 10.3390/diagnostics13203263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Non-cirrhotic portal hypertension (NCPH), also known as idiopathic non-cirrhotic portal hypertension (INCPH) and porto-sinusoidal vascular disorder (PSVD), is a rare disease characterized by intrahepatic portal hypertension (IPH) in the absence of cirrhosis. The precise etiopathogenesis of IPH is an area of ongoing research. NCPH diagnosis is challenging, as there are no specific tests available to confirm the disease, and a high-quality liver biopsy, detailed clinical information, and an expert pathologist are necessary for diagnosis. Currently, the treatment of NCPH relies on the prevention of complications related to portal hypertension, following current guidelines of cirrhotic portal hypertension. No treatment has been studied that aimed to modify the natural history of the disease; however, transjugular intrahepatic porto-systemic shunt (TIPS) placement, shunt and liver transplantation are considerable symptomatic options. In this review, we discuss the heterogeneity of NCPH as well as its etiopathogenesis, clinical presentation and management issues. Starting from the assumption that portal hypertension does not always mean cirrhosis, cooperative studies are probably needed to clarify the issues of etiology and the possible genetic background of this rare disease. This knowledge might lead to better treatment and perhaps better prevention.
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Affiliation(s)
- Michele Fiordaliso
- Department of Medicine and Ageing Sciences, University “G. D’Annunzio” of Chieti–Pescara, Via dei Vestini 29, 66100 Chieti, Italy;
| | - Giuseppe Marincola
- Bariatric and Metabolic Surgery Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli 8, 00168 Rome, Italy;
| | - Barbara Pala
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, Via di Grottarossa, 1035/1039, 00189 Rome, Italy;
| | - Raffaella Muraro
- Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio” of Chieti–Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (R.M.); (M.M.); (M.C.D.M.)
| | - Mariangela Mazzone
- Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio” of Chieti–Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (R.M.); (M.M.); (M.C.D.M.)
| | - Maria Carmela Di Marcantonio
- Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio” of Chieti–Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (R.M.); (M.M.); (M.C.D.M.)
| | - Gabriella Mincione
- Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio” of Chieti–Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (R.M.); (M.M.); (M.C.D.M.)
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Hassan N, Mohamed I, Rajab R, Campbell J, Zulqarnain M, Sadeddin E, Ghoz H. A Bridge to Banding: Splenic Artery Embolization in Hepatosplenic Schistosomiasis. ACG Case Rep J 2023; 10:e01064. [PMID: 37235002 PMCID: PMC10208712 DOI: 10.14309/crj.0000000000001064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 05/01/2023] [Indexed: 05/28/2023] Open
Abstract
Schistosomiasis is a parasitic infection endemic to sub-Saharan Africa. The severe form of disease, caused by deposition of Schistosoma eggs in the portal vein, is known as hepatosplenic schistosomiasis. We present a case of a 26-year-old woman with esophageal varices in the setting of hepatosplenic schistosomiasis. This patient underwent partial splenic artery embolization to treat thrombocytopenia secondary to splenic sequestration. After embolization and improvement of cell counts, the patient was successfully able to undergo variceal band ligation.
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Affiliation(s)
- Noor Hassan
- Department of Internal Medicine, University of Missouri–Kansas City, Kansas City, MO
| | - Islam Mohamed
- Department of Internal Medicine, University of Missouri–Kansas City, Kansas City, MO
| | - Rawan Rajab
- Department of Internal Medicine, University of Missouri–Kansas City, Kansas City, MO
| | - Jack Campbell
- Department of Gastroenterology, University of Missouri–Kansas City, Kansas City, MO
| | - Mir Zulqarnain
- Department of Gastroenterology, University of Missouri–Kansas City, Kansas City, MO
| | - Esmat Sadeddin
- Department of Gastroenterology, University of Missouri–Kansas City, Kansas City, MO
| | - Hassan Ghoz
- Department of Gastroenterology, University of Missouri–Kansas City, Kansas City, MO
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Evaluation of the effectiveness of partial splenic endovascular embolization in patients with refractory thrombocytopaenia. Pol J Radiol 2022; 87:e369-e374. [PMID: 35979150 PMCID: PMC9373866 DOI: 10.5114/pjr.2022.118159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/11/2021] [Indexed: 12/02/2022] Open
Abstract
Purpose Partial splenic endovascular embolization (PSEE) could be an option for patients with thrombocytopaenia (TCP). We selected a group of 22 patients diagnosed with refractory TCP to undergo PSEE, and we followed them for detailed analysis. Material and methods Twenty-two patients aged 27-75 years (mean 46.5 ± 3.5 years) underwent PSEE, and 5 participants underwent a second PSEE due to the lack of effectiveness after the first procedure. A total of 27 PSEEs were performed. A semi-quantitative scale was used to assess the severity of the post-embolization syndrome. The percentage of spleen parenchyma excluded from circulation was 30-70%. We used the mixture of Histoacryl N-butyl cyanoacry-late glue and Lipiodol in 10 cases, spirals in 10 cases, and polyvinyl alcohol in 7 cases, for the embolization. Results The mean value of platelet count (PLT) before procedure increased from 22.0 ± 15.0 to 87.7 ± 67.9 (p < 0.05) in a mean period of 194 days. In 2 cases severe post-embolization syndrome was observed. Closure less than 50% of the spleen circulation was associated with poorly expressed post-embolization symptoms. Serious complications occurred in 1 patient (3.5%). A strong positive correlation (r = 0.8, p < 0.05) was found between C-reactive protein (CRP) and the severity of post-embolization syndrome. Increased symptoms of post-embolization syndrome were also associated with a significant increase in hospitalization time – 27.0 vs. 7.2 days (r = 0.66, p < 0.05). Conclusions Partial endovascular embolization of the spleen (PSEE) may be a valuable therapeutic option for patients with refractory TCP. PSEE is a safe method with a low complication rate.
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Chen XL, Yao X, Yang GD, Qin JP. Applications of vascular interventions in hypersplenism in liver cirrhosis. Shijie Huaren Xiaohua Zazhi 2022; 30:140-146. [DOI: 10.11569/wcjd.v30.i3.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Cirrhosis is a common cause of secondary hypersplenism. Hypersplenism often leads to a decrease in peripheral blood cells, and when the numbers of leukocytes and platelets are severely reduced, patients are prone to spontaneous infections and bleeding, which can aggravate the disease and increase the risk of death. The mechanism of hypersplenism in cirrhosis is not well understood, and there is no standard indication or recommended method for the treatment of hypersplenism. Clinical treatment options for hypersplenism include splenectomy, vascular intervention, local thermal ablation, and splenic artery ligation. Vascular interventions mainly involve transjugular intrahepatic portosystemic shunt (TIPS) and partial splenic embolization (PSE). TIPS is an effective method to treat the complications of portal hypertension in cirrhosis, which can effectively reduce portal pressure, but whether it can relieve hypersplenism is still controversial. PSE can relieve hypersplenism to a certain extent. TIPS combined with PSE can effectively reduce portal hypertension and relieve hypersplenism to a certain extent. This article reviews the applications of vascular interventions in hypersplenism in cirrhosis.
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Affiliation(s)
- Xue-Ling Chen
- Department of Clinical Medicine, North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Xin Yao
- Department of Gastroenterology, General Hospital of Western War Zone, Chinese People's Liberation Army, Chengdu 610083, Sichuan Province, China
| | - Guo-Dong Yang
- Department of Gastroenterology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Jian-Ping Qin
- Department of Gastroenterology, General Hospital of Western War Zone, Chinese People's Liberation Army, Chengdu 610083, Sichuan Province, China
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Leung E, Maingard J, Yeh J, Lee MJ, Brooks DM, Asadi H, Burrows DA, Kok HK. Contemporary endovascular management of splenic vascular pathologies. Clin Radiol 2020; 75:960.e23-960.e34. [PMID: 32819705 DOI: 10.1016/j.crad.2020.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 07/06/2020] [Indexed: 11/28/2022]
Abstract
The spleen is a commonly injured organ and the splenic vasculature is also susceptible to inflammation and trauma, often resulting in aneurysm formation. Splenic artery aneurysms carry a high risk of rupture and are associated with high mortality and morbidity. Due to the advances in endovascular techniques and devices, endovascular management of splenic vascular pathologies is now considered a first-line strategy. Endovascular embolisation and advance techniques including balloon- or stent-assisted coil embolisation enables minimally invasive management option while preserving splenic function.
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Affiliation(s)
- E Leung
- Interventional Radiology Service - Department of Radiology, Northern Health, Melbourne, Australia.
| | - J Maingard
- Interventional Neuroradiology Service - Monash Imaging, Monash Health, Melbourne, Australia; School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Australia
| | - J Yeh
- Interventional Radiology Service - Department of Radiology, Northern Health, Melbourne, Australia
| | - M J Lee
- Department of Radiology, Beaumont Hospital and Royal College of Surgeons in Ireland, Dublin, Ireland
| | - D M Brooks
- School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Australia; Interventional Neuroradiology Service - Radiology Department, Austin Hospital, Melbourne, Australia
| | - H Asadi
- Interventional Neuroradiology Service - Monash Imaging, Monash Health, Melbourne, Australia; School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Australia; Interventional Neuroradiology Service - Radiology Department, Austin Hospital, Melbourne, Australia
| | - D A Burrows
- Interventional Radiology Service - Department of Radiology, Northern Health, Melbourne, Australia
| | - H K Kok
- Interventional Radiology Service - Department of Radiology, Northern Health, Melbourne, Australia; School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Australia
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Adverse Events Related to Partial Splenic Embolization for the Treatment of Hypersplenism: A Systematic Review. J Vasc Interv Radiol 2020; 31:1118-1131.e6. [PMID: 32014400 DOI: 10.1016/j.jvir.2019.08.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 08/06/2019] [Accepted: 08/10/2019] [Indexed: 02/07/2023] Open
Abstract
Partial splenic embolization is a common procedure that reduces thrombocytopenia in patients with hypersplenism. The present review evaluated the adverse event profile of partial splenic embolization detailed in 30 articles. Although the technical success rate of the procedure in these papers is high, many patients experienced postprocedural complications. Minor complications such as postembolization syndrome occurred frequently. Major complications were less frequent but sometimes resulted in mortality. Underlying liver dysfunction and high infarction rates may be risk factors leading to major complications. Interventional radiologists should be aware of the complication profile of this procedure and further advance research in techniques dealing with hypersplenism.
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Abstract
Idiopathic portal hypertension (IPH) and extrahepatic portal venous obstruction (EHPVO) are prototype noncirrhotic causes of portal hypertension (PHT), characterized by normal hepatic venous pressure gradient, variceal bleeds, and moderate to massive splenomegaly with preserved liver synthetic functions. Infections, toxins, and immunologic, prothrombotic and genetic disorders are possible causes in IPH, whereas prothrombotic and local factors around the portal vein lead to EHPVO. Growth failure, portal biliopathy, and minimal hepatic encephalopathy are long-term concerns in EHPVO. Surgical shunts and transjugular intrahepatic portosystemic shunt resolve the complications secondary to PHT. Meso-Rex shunt is now the standard-of-care surgery in children with EHPVO.
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Affiliation(s)
- Rajeev Khanna
- Department of Pediatric Hepatology, Institute of Liver & Biliary Sciences (ILBS), D-1, Vasant Kunj, New Delhi 110 070, India
| | - Shiv Kumar Sarin
- Department of Hepatology, Institute of Liver & Biliary Sciences (ILBS), D-1, Vasant Kunj, New Delhi 110 070, India.
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Comparison of TIPS alone and combined with partial splenic embolization (PSE) for the management of variceal bleeding. Eur Radiol 2019; 29:5032-5041. [PMID: 30796573 DOI: 10.1007/s00330-019-06046-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/31/2018] [Accepted: 01/24/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Transjugular intrahepatic portosystemic shunt (TIPS) and partial splenic embolization (PSE) were two interventional radiological treatments for the complications of cirrhosis. This study aimed to investigate the effects of concomitant PSE on the long-term shunt patency and overall survival of TIPS-treated patients. METHODS Forty-eight patients with TIPS insertion were enrolled and studied retrospectively. They were divided into TIPS+PSE (n = 16) and TIPS groups (n = 32), undergoing combined therapy using TIPS and PSE, and monotherapy using TIPS alone, respectively. RESULTS The 5-year cumulative primary patency rate in the TIPS+PSE group was markedly higher than in the TIPS group (56.8% vs. 32.8%, p = 0.028), whereas the 5-year cumulative secondary patency rate (93.8% vs. 87.7%, p = 0.749) and overall survival rate (62.5% vs. 30.7%, p = 0.414) were not significantly different between the two groups. Cox-regression models revealed that group (hazard ratio [HR], 0.235; 95% CI, 0.084-0.665; p = 0.006), portal venous pressure decline (HR, 0.687; 95% CI, 0.563-0.838; p = 0.000), and baseline portal vein thrombosis (HR, 3.955; 95% CI, 1.634-9.573; p = 0.002) were significant predictors for shunt dysfunction, while only ascites (HR, 2.941; 95% CI, 1.250-6.920; p = 0.013) was a significant predictor for mortality. No severe adverse event was noted in the two groups except for the potential risk of splenic abscess development in the TIPS+PSE group. CONCLUSIONS Concomitant PSE may help increase the long-term primary shunt patency rate, but not the overall survival of TIPS-treated patients. Further prospective studies are needed to validate these retrospective findings and to investigate the potential mechanisms. KEY POINTS • Combined therapy using TIPS and PSE is associated with higher primary patency rates than TIPS alone. • Combined therapy using TIPS and PSE is associated with similar rates of secondary patency and overall survival of patients than TIPS alone. • Group (TIPS alone or TIPS+PSE), PVD, and baseline PVT are three independent predictors for shunt dysfunction, while ascites is the only independent predictor for mortality.
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Khanna R, Sarin SK. Idiopathic portal hypertension and extrahepatic portal venous obstruction. Hepatol Int 2018; 12:148-167. [PMID: 29464506 DOI: 10.1007/s12072-018-9844-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 01/19/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Idiopathic portal hypertension (IPH) and extrahepatic portal venous obstruction (EHPVO) are non-cirrhotic vascular causes of portal hypertension (PHT). Variceal bleed and splenomegaly are the commonest presentations. AIM The present review is intended to provide the existing literature on etiopathogenesis, clinical profile, diagnosis, natural history and management of IPH and EHPVO. RESULTS IPH and EHPVO are both characterized by normal hepatic venous pressure gradient, moderate to massive splenomegaly with preserved liver synthetic functions. While the level of block in IPH is presinusoidal, in EHPVO it is at prehepatic level. Infections, autoimmunity, drugs, immunodeficiency and prothrombotic states are possible etiological agents in IPH. Contrastingly in EHPVO, prothrombotic disorders and local factors around the portal vein are the incriminating factors. Diagnosis is often clinical, supported by simple radiological tools. Natural history is defined by episodes of variceal bleed and symptoms related to enlarged spleen. Growth failure, portal biliopathy and minimal hepatic encephalopathy are additional concerns in EHPVO. Long-term survival is reasonably good with endoscopic surveillance; however, parenchymal extinction leading to decompensation is seen in a minority of patients in both the disorders. Surgical shunts revert the complications secondary to PHT. Meso-Rex shunt has become the standard surgery in children with EHPVO. CONCLUSION This review gives a detailed summary of these two vascular conditions of liver-IPH and EHPVO. Further research is needed to understand the pathogenesis and natural history of these disorders.
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Affiliation(s)
- Rajeev Khanna
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Shiv Kumar Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi, 110070, India.
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