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Article: Correction: Doppler Ultrasound of Vascular Complications After Pediatric Liver Transplantation: Incidence, Time of Detection, and Positive Predictive Value.

Verhagen, Martijn V / de Kleine, Ruben H J / van der Doef, Hubert P J / Kwee, Thomas C / de Haas, Robbert J

2023 Volume 8, Issue 2, Page(s) E77

Abstract: This corrects the article DOI: 10.1055/a-1961-9100.]. ...

Abstract	[This corrects the article DOI: 10.1055/a-1961-9100.].
Language	English
Publishing date	2023-04-14
Publishing country	Germany
Document type	Published Erratum
ZDB-ID	2838384-9
ISSN	2199-7152 ; 2509-596X
ISSN (online)	2199-7152
ISSN	2509-596X
DOI	10.1055/a-2061-8073
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Article ; Online: No need for fasting prior to doppler ultrasound of pediatric liver transplants: A self-controlled study.

Verhagen, Martijn V / van der Doef, Hubert P J / Kwee, Thomas C / de Haas, Robbert J

Pediatric transplantation

2023 Volume 28, Issue 1, Page(s) e14622

Abstract: ... of VR compared to PV anastomotic PSV, were not significantly different (p > .05). Test consistency was ... VR. Obscuration by bowel gas or ease of DUS did not change after eating (p > .05). The majority (16 ...

Abstract	Background: Children frequently undergo routine Doppler-ultrasound (DUS) after liver transplantation (LT) for which they are fasted, but this may cause hunger and discomfort. Objective: To determine if DUS measurements, with focus on the portal vein (PV), are affected by prandial changes, and if this affects distress and feasibility of the DUS. Materials and methods: Children were prospectively included to undergo a pre- and postprandial DUS on the same day at 6 months after LT. Pre- and anastomotic PV peak systolic velocity (PSV), and hepatic artery and hepatic vein DUS measurements were obtained. Pre- and postprandial measurements, and relative postprandial change of PV velocity ratio (VR) compared to PV anastomotic PSV, were compared using paired-sample t-tests and intraclass correlation coefficients (ICC). Obscuration by bowel gas, difficulty of DUS, and impact of fasting were assessed using 5-point rating scales. Results: Twenty-eight children (median age 3.5 years, IQR 1.6-10.8) were included; four were subsequently excluded because they were not fasted (N = 2) or withdrew consent for the second DUS (N = 2). Measurements between pre- and postprandial DUS, and relative postprandial change of VR compared to PV anastomotic PSV, were not significantly different (p > .05). Test consistency was good (ICC = 0.69, 95% CI = 0.29-0.67) for PV anastomotic PSV, and excellent (95% CI = 0.61-0.93) for PV VR. Obscuration by bowel gas or ease of DUS did not change after eating (p > .05). The majority (16/28, 57.2%) found fasting difficult, and several (13/28, 46.4%) got upset when fasted. Conclusion: Children with an LT do not need to be fasted for routine DUS, which may decrease the burden of the examination.
MeSH term(s)	Humans ; Child ; Child, Preschool ; Liver Transplantation ; Blood Flow Velocity ; Retrospective Studies ; Ultrasonography, Doppler ; Fasting ; Predictive Value of Tests
Language	English
Publishing date	2023-10-10
Publishing country	Denmark
Document type	Journal Article
ZDB-ID	1390284-2
ISSN	1399-3046 ; 1397-3142
ISSN (online)	1399-3046
ISSN	1397-3142
DOI	10.1111/petr.14622
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Article: Doppler Ultrasound of Vascular Complications After Pediatric Liver Transplantation: Incidence, Time of Detection, and Positive Predictive Value.

Verhagen, Martijn V / de Kleine, Ruben H J / van der Doef, Hubert P J / Kwee, Thomas C / de Haas, Robbert J

Ultrasound international open

2022 Volume 8, Issue 2, Page(s) E36–E42

Abstract: ... ...

Abstract	Purpose
Language	English
Publishing date	2022-11-16
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2838384-9
ISSN	2199-7152 ; 2509-596X
ISSN (online)	2199-7152
ISSN	2509-596X
DOI	10.1055/a-1961-9100
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Article ; Online: Doppler-ultrasound reference values after pediatric liver transplantation: a consecutive cohort study.

Verhagen, Martijn V / de Kleine, Ruben H / Groen, Henk / van der Doef, Hubert P J / Kwee, Thomas C / de Haas, Robbert J

European radiology

2023 Volume 33, Issue 9, Page(s) 6404–6413

Abstract: Objectives: Doppler ultrasound (DUS) is the main imaging modality to evaluate vascular complications of pediatric liver transplants (LT). The current study aimed to determine reference values and their change over time.: Methods: A consecutive cohort ...

Abstract	Objectives: Doppler ultrasound (DUS) is the main imaging modality to evaluate vascular complications of pediatric liver transplants (LT). The current study aimed to determine reference values and their change over time. Methods: A consecutive cohort of pediatric patients undergoing an LT were retrospectively included between 2015 and 2020. Timepoints for standardized DUS were intra-operative and postoperative (day 0), days 1-7, months 1 and 3, and years 1 and 2. DUS measurements of the hepatic artery (HA), portal vein (PV), and hepatic vein(s) (HV) were included if there were no complications during 2 years follow-up. Measurements consisted of: peak systolic velocity (PSV) and resistive index (RI) for the HA, PSV for the PV, and venous pulsatility index (VPI) for the HV. Generalized estimating equations were used to analyze change over time. Results: One hundred twelve pediatric patients with 123 LTs were included (median age 3.3 years, interquartile range 0.7-10.1). Ninety-five HAs, 100 PVs, and 115 HVs without complications were included. Reference values for HA PSV and RI, PV PSV, and HV VPI were obtained for all timepoints (4043 included data points in total) and presented using 5 Conclusions: DUS reference values of hepatic vessels in children after LT are presented, reference values change over time with specific vessel-dependent patterns. Timepoint-specific reference values improve the interpretation of DUS values and may help to better weigh their clinical significance. Key points: • Doppler ultrasound reference values of pediatric liver transplantations are not static but change over time. Applying the correct reference values for the specific timepoint may further improve the interpretation of the measurements. • The pattern of change over time of Doppler ultrasound measurements differs between the hepatic vessel and measurement; knowledge of these patterns may help radiologists to better understand normal postoperative hemodynamic changes.
MeSH term(s)	Humans ; Child ; Child, Preschool ; Liver Transplantation ; Retrospective Studies ; Cohort Studies ; Ultrasonography, Doppler/methods ; Reference Values ; Portal Vein/diagnostic imaging ; Blood Flow Velocity
Language	English
Publishing date	2023-03-17
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1085366-2
ISSN	1432-1084 ; 0938-7994 ; 1613-3749
ISSN (online)	1432-1084
ISSN	0938-7994 ; 1613-3749
DOI	10.1007/s00330-023-09522-2
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Article: [No title information]

Verhagen, Martijn V. / de Kleine, Ruben H.J. / van der Doef, Hubert P.J. / Kwee, Thomas C. / de Haas, Robbert J.

Ultrasound International Open

2022 Volume 08, Issue 02, Page(s) E77–E77

Language	English
Publishing date	2022-11-01
Publisher	Georg Thieme Verlag KG
Publishing place	Stuttgart ; New York
Document type	Article
ZDB-ID	2838384-9
ISSN	2199-7152 ; 2509-596X
ISSN (online)	2199-7152
ISSN	2509-596X
DOI	10.1055/a-2061-8073
Database	Thieme publisher's database

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Article: Abnormal glucose homeostasis and fasting intolerance in patients with congenital porto-systemic shunts.

van Albada, Mirjam E / Shah, Pratik / Derks, Terry G J / Fuchs, Sabine / Jans, Judith J M / McLin, Valérie / van der Doef, Hubert P J

Frontiers in endocrinology

2023 Volume 14, Page(s) 1190473

Abstract: In physiological glucose homeostasis, the liver plays a crucial role in the extraction of glucose from the portal circulation and storage as glycogen to enable release through glycogenolysis upon fasting. In addition, insulin secreted by the pancreas is ... ...

Abstract	In physiological glucose homeostasis, the liver plays a crucial role in the extraction of glucose from the portal circulation and storage as glycogen to enable release through glycogenolysis upon fasting. In addition, insulin secreted by the pancreas is partly eliminated from the systemic circulation by hepatic first-pass. Therefore, patients with a congenital porto-systemic shunt present a unique combination of (a) postabsorptive hyperinsulinemic hypoglycaemia (HH) because of decreased insulin elimination and (b) fasting (ketotic) hypoglycaemia because of decreased glycogenolysis. Patients with porto-systemic shunts therefore provide important insight into the role of the portal circulation and hepatic function in different phases of glucose homeostasis.
MeSH term(s)	Humans ; Fasting ; Insulin ; Glucose ; Homeostasis ; Hypoglycemia
Chemical Substances	Insulin ; Glucose (IY9XDZ35W2)
Language	English
Publishing date	2023-08-18
Publishing country	Switzerland
Document type	Journal Article ; Review ; Research Support, Non-U.S. Gov't
ZDB-ID	2592084-4
ISSN	1664-2392
ISSN	1664-2392
DOI	10.3389/fendo.2023.1190473
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Article ; Online: Treatment strategies for hepatic artery complications after pediatric liver transplantation: A systematic review.

Li, Weihao / Bokkers, Reinoud P H / Dierckx, Rudi A J O / Verkade, Henkjan J / Sanders, Dewey H / de Kleine, Ruben / van der Doef, Hubert P J

Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society

2023 Volume 30, Issue 2, Page(s) 160–169

Abstract: This study aimed to evaluate the effectiveness of different treatments for hepatic artery thrombosis (HAT) and hepatic artery stenosis (HAS) after pediatric liver transplantation. We systematically reviewed studies published since 2000 that investigated ... ...

Abstract	This study aimed to evaluate the effectiveness of different treatments for hepatic artery thrombosis (HAT) and hepatic artery stenosis (HAS) after pediatric liver transplantation. We systematically reviewed studies published since 2000 that investigated the management of HAT and/or HAS after pediatric liver transplantation. Studies with a minimum of 5 patients in one of the treatment methods were included. The primary outcomes were technical success rate and graft and patient survival. The secondary outcomes were hepatic artery patency, complications, and incidence of HAT and HAS. Of 3570 studies, we included 19 studies with 328 patients. The incidence was 6.2% for HAT and 4.1% for HAS. Patients with an early HAT treated with surgical revascularization had a median graft survival of 45.7% (interquartile range, 30.7%-60%) and a patient survival of 61.3% (interquartile range, 58.7%-66.9%) compared with the other treatments (conservative, endovascular revascularization, or retransplantation). As for HAS, endovascular and surgical revascularization groups had a patient survival of 85.7% and 100% (interquartile range, 85%-100%), respectively. Despite various treatment methods, HAT after pediatric liver transplantation remains a significant issue that has profound effects on the patient and graft survival. Current evidence is insufficient to determine the most effective treatment for preventing graft failure.
MeSH term(s)	Child ; Humans ; Hepatic Artery ; Liver Diseases ; Liver Transplantation/adverse effects ; Retrospective Studies ; Thrombosis/etiology
Language	English
Publishing date	2023-09-13
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	2006866-9
ISSN	1527-6473 ; 1527-6465
ISSN (online)	1527-6473
ISSN	1527-6465
DOI	10.1097/LVT.0000000000000257
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Article ; Online: Tacrolimus in Gastrointestinal Bleeding in a Young Boy With Hereditary Hemorrhagic Telangiectasia.

Pruijsen, Jessica M / Kroon, Steven / Mager, Johannes J / Bungener, Laura B / van der Doef, Hubert P J

JPGN reports

2021 Volume 2, Issue 4, Page(s) e133

Abstract: Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant disease in which gastrointestinal bleeding is a rare presenting symptom in children. Gastrointestinal bleeding in children is treated locally by endoscopy. When a focus of bleeding ... ...

Abstract	Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant disease in which gastrointestinal bleeding is a rare presenting symptom in children. Gastrointestinal bleeding in children is treated locally by endoscopy. When a focus of bleeding cannot be reached by endoscopy, management of these patients can be challenging. Previous reports showed a favorable outcome of treatment with tacrolimus in an adult HHT patient with liver vascular malformations and epistaxis and in a HHT patient with pulmonary hypertension. We report the first pediatric HHT patient who benefited from tacrolimus treatment. Our case demonstrated a remarkable decline in blood transfusions and better quality of life during the period of tacrolimus treatment.
Language	English
Publishing date	2021-10-25
Publishing country	United States
Document type	Case Reports
ISSN	2691-171X
ISSN (online)	2691-171X
DOI	10.1097/PG9.0000000000000133
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Article ; Online: Effectiveness and safety of catheter-directed thrombolysis in conjunction with percutaneous mechanical thrombectomy for acute iliofemoral deep vein thrombosis: A meta-analysis.

Li, Weihao / Zaid Al-Kaylani, Abdallah / Zeebregts, Clark J / El Moumni, Mostafa / de Vries, Jean-Paul P M / van der Doef, Hubert P J / Bokkers, Reinoud P H

Journal of vascular surgery. Venous and lymphatic disorders

2023 Volume 11, Issue 4, Page(s) 843–853.e2

Abstract: Background: Patients with severe acute low iliofemoral deep vein thrombosis (DVT), such as phlegmasia cerulea dolens, benefit from catheter-directed thrombolysis (CDT). This meta-analysis investigated the effectiveness and safety of adjuvant ... ...

Abstract	Background: Patients with severe acute low iliofemoral deep vein thrombosis (DVT), such as phlegmasia cerulea dolens, benefit from catheter-directed thrombolysis (CDT). This meta-analysis investigated the effectiveness and safety of adjuvant percutaneous mechanical thrombectomy (PMT) during CDT compared with CDT alone in the treatment of acute iliofemoral DVT. Methods: A meta-analysis was performed in accordance with the PRISMA guidelines. Medline, Embase, the Cochrane Library, China National Knowledge Internet, and Wanfang data were searched for studies on the management of acute iliofemoral DVT by means of CDT or CDT with adjuvant PMT. Randomized, controlled trials and nonrandomized studies were included. The primary outcomes were venous patency rate, major bleeding complications, and post-thrombotic syndrome occurrence within 2 years of the procedure. The secondary outcomes were thrombolytic time and volume, as well as the rates of thigh detumescence and iliac vein stenting. Results: The meta-analysis included 20 eligible studies with a total of 1686 patients. The rates of venous patency (mean difference, 10.11; 95% confidence interval [CI], 5.59-14.62) and thigh detumescence (mean difference, 3.64; 95% CI, 1.10-6.18) of the adjuvant PMT group were higher than those of the CDT alone group. Compared with CDT alone, the adjuvant PMT group experienced fewer incidences of major bleeding complications (odds ratio, 0.45; 95% CI, 0.26-0.77) and occurrences of post-thrombotic syndrome within 2 years of the procedure (odds ratio, 0.55; 95% CI, 0.33-0.92). Furthermore, the duration of thrombolytic therapy was shorter, and the total dose of administered thrombolytics was lower with adjuvant PMT. Conclusions: Adjuvant PMT during CDT is associated with improved clinical outcomes and a lower incidence of major bleeding complications. The studies investigated were, however, single-center cohort studies, and future randomized controlled trials are needed to substantiate these findings.
MeSH term(s)	Humans ; Treatment Outcome ; Thrombectomy/adverse effects ; Thrombectomy/methods ; Venous Thrombosis/diagnostic imaging ; Venous Thrombosis/therapy ; Venous Thrombosis/complications ; Thrombolytic Therapy/adverse effects ; Thrombolytic Therapy/methods ; Fibrinolytic Agents ; Postthrombotic Syndrome/diagnostic imaging ; Postthrombotic Syndrome/etiology ; Postthrombotic Syndrome/therapy ; Catheters/adverse effects ; Iliac Vein/diagnostic imaging ; Hemorrhage/complications ; Retrospective Studies ; Mechanical Thrombolysis/adverse effects
Chemical Substances	Fibrinolytic Agents
Language	English
Publishing date	2023-03-07
Publishing country	United States
Document type	Meta-Analysis ; Journal Article ; Review
ISSN	2213-3348
ISSN (online)	2213-3348
DOI	10.1016/j.jvsv.2023.01.010
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Article ; Online: Waitlist mortality of young patients with biliary atresia: Impact of allocation policy and living donor liver transplantation.

Esmati, Hedayatullah / van Rosmalen, Marieke / van Rheenen, Patrick F / de Boer, Marieke T / van den Berg, Aad P / van der Doef, Hubert P J / Rayar, Michel / de Kleine, Ruben H J / Porte, Robert J / de Meijer, Vincent E / Verkade, Henkjan J

Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society

2023 Volume 29, Issue 2, Page(s) 157–163

Abstract: ... Waitlist mortality decreased from 6.7% in PRE to 2.3% in POST ( p = 0.03). Interestingly, the proportion ... of young patients with BA undergoing DDLT decreased from 32% to 18% after ET allocation prioritization ( p ... 0.001), whereas LDLT increased from 55% to 74% ( p = 0.001). The proportional increase in LDLT ...

Abstract	Patients with biliary atresia (BA) below 2 years of age in need of a transplantation largely rely on partial grafts from deceased donors (deceased donor liver transplantation [DDLT]) or living donors (living donor liver transplantation [LDLT]). Because of high waitlist mortality in especially young patients with BA, the Eurotransplant Liver Intestine Advisory Committee (ELIAC) has further prioritized patients with BA listed before their second birthday for allocation of a deceased donor liver since 2014. We evaluated whether this Eurotransplant (ET) allocation prioritization changed the waitlist mortality of young patients with BA. We used a pre-post cohort study design with the implementation of the new allocation rule between the two periods. Participants were patients with BA younger than 2 years who were listed for liver transplantation in the ET database between 2001 and 2018. Competing risk analyses were performed to assess waitlist mortality in the first 2 years after listing. We analyzed a total of 1055 patients with BA, of which 882 had been listed in the preimplementation phase (PRE) and 173 in the postimplementation phase (POST). Waitlist mortality decreased from 6.7% in PRE to 2.3% in POST ( p = 0.03). Interestingly, the proportion of young patients with BA undergoing DDLT decreased from 32% to 18% after ET allocation prioritization ( p = 0.001), whereas LDLT increased from 55% to 74% ( p = 0.001). The proportional increase in LDLT decreased the median waitlist duration of transplanted patients from 1.5 months in PRE to 0.85 months in POST ( p = 0.003). Since 2014, waitlist mortality in young patients with BA has strongly decreased in the ET region. Rather than associated with prioritized allocation of deceased donor organs, the decreased waitlist mortality was related to a higher proportion of patients undergoing LDLT.
MeSH term(s)	Humans ; Living Donors ; Liver Transplantation/adverse effects ; Biliary Atresia/surgery ; Cohort Studies ; Risk Assessment ; Retrospective Studies ; Treatment Outcome
Language	English
Publishing date	2023-01-17
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2006866-9
ISSN	1527-6473 ; 1527-6465
ISSN (online)	1527-6473
ISSN	1527-6465
DOI	10.1002/lt.26529
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