Claus Petersen

ORCID: 0000-0002-1789-7163
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About
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Research Areas
  • Pediatric Hepatobiliary Diseases and Treatments
  • Gallbladder and Bile Duct Disorders
  • Congenital Anomalies and Fetal Surgery
  • Intestinal Malrotation and Obstruction Disorders
  • Pectus Deformity Diagnosis and Treatment
  • Pediatric Urology and Nephrology Studies
  • Urological Disorders and Treatments
  • Liver Diseases and Immunity
  • Trauma Management and Diagnosis
  • Shoulder and Clavicle Injuries
  • Infant Nutrition and Health
  • Pancreatitis Pathology and Treatment
  • Congenital Diaphragmatic Hernia Studies
  • Pleural and Pulmonary Diseases
  • Drug Transport and Resistance Mechanisms
  • Kidney Stones and Urolithiasis Treatments
  • Abdominal Surgery and Complications
  • Child and Adolescent Health
  • Genital Health and Disease
  • Liver Disease Diagnosis and Treatment
  • Economic Analysis and Policy
  • Neonatal Health and Biochemistry
  • Organ Transplantation Techniques and Outcomes
  • Ear Surgery and Otitis Media
  • Dutch Social and Cultural Studies

Medizinische Hochschule Hannover
2015-2024

ERN RARE-LIVER
2023

European X-Ray Free-Electron Laser
2022

Aarhus University Hospital
1998-2020

Leuphana University of Lüneburg
2016

Kinderkrankenhaus auf der Bult
2015

Hannover Re (Germany)
2013

Aarhus University
2011

Danish Medical Association
2007

University of Tübingen
2003

A prospective study to compare survival with own liver in laparoscopic versus conventional Kasai portoenterostomy patients biliary atresia.Available studies on focus short-term results, include small numbers of and have design limitations.A consecutive series underwent procedure from 2006 2007. Conventionally operated control consisted a infants atresia August 2003 2006. All data were ascertained prospectively using the European Biliary Atresia Registry/EBAR registration forms. Primary...

10.1097/sla.0b013e318211d7d8 article EN Annals of Surgery 2011-02-23

We assessed the feasibility of laparoscopic transabdominal dismembered pyeloplasty in 46 infants and children with regard to patient age.A total consecutive (31 male 15 female) underwent using a 3 4-trocar technique. All patients had confirmed unilateral deterioration renal function on isotope renography. The were divided into age groups--1 12 months (group 1, 14 patients), 1 7 years 2, patients) 18 3, 17 patients). Followup included clinical ultrasound assessment, renography at...

10.1016/s0022-5347(05)00179-5 article EN The Journal of Urology 2006-01-08

Since the first description in 1998, minimally invasive repair of pectus excavatum has gained increasing acceptance. The aim this survey is to report on experiences eight European centres with technique.

10.1055/s-2002-34486 article EN European Journal of Pediatric Surgery 2002-08-01

(1) Background: Acute cholangitis during the first year after Kasai hepatoportoenterostomy (HPE) has a negative impact on patient and native liver survival. There are no consistent guidelines for definition, treatment, prophylaxis of HPE. The aim this study was to develop allow expeditious management standardization in reporting. (2) Methods: Delphi method, an extensive literature review, iterative rounds surveys, expert panel discussions were used establish (3) Results: Eight elements...

10.3390/jcm11030494 article EN Journal of Clinical Medicine 2022-01-19

Progressive familial intrahepatic cholestasis (PFIC) usually presents with pruritus, jaundice, hepatomegaly, and growth failure. A group of PFIC is recognized by marked elevation total serum bile acids, decreased apolipoprotein A-1, high-density lipoprotein, but normal gamma-glutamyltranspeptidase cholesterol. Although medical therapy generally fails, partial external biliary diversion (DIV) has been used promising results for cholestasis. However, little reported its effect on linear...

10.1111/j.1572-0241.2000.03370.x article EN The American Journal of Gastroenterology 2000-12-01

Biliary atresia (BA) is the leading indication for liver transplantation (LTx) during childhood. Predictive markers progression are lacking. We investigated correlation between quantified fibrosis of at time Kasai hepatic portoenterostomy (KPE) and clinical course. Liver tissue was obtained KPE in 53 children stained with Picrosirius red. The mean volume per number periportal fields (Vfib) Ishak score were calculated. Vfib 3.9%. Transplant-free survival significantly higher those patients <...

10.1002/lt.21711 article EN Liver Transplantation 2009-07-29

OBJECTIVE Postoperative adjuvant steroid treatment is reported to improve jaundice-free survival in biliary atresia (BA) patients and reduce the need for early liver transplantation. However, evidence of all retrospective studies very limited, although high-dose corticosteroids were favored. The aim this dosage finding study was test most promising corticosteroid protocol a smaller but representative series, order optimize settings upcoming prospective long-term multicenter studies. METHODS...

10.1111/j.1572-0241.2007.01721.x article EN The American Journal of Gastroenterology 2008-03-01

Abstract Background Allergic rhinoconjunctivitis is a public health problem. Allergen Immunotherapy an effective and safe treatment, that modifies the natural course of allergic disease induces long‐term tolerance. Objective To correlate basophil antibody biomarkers subcutaneous immunotherapy to clinical outcomes cellular changes in target tissue. Methods Adults suffering from due grass pollen allergy were randomized receive (n = 18) or open control group 6). Patients reported daily symptom...

10.1111/all.14264 article EN Allergy 2020-03-07
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