Karsten Hufendiek

ORCID: 0000-0003-3996-7844
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About
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Research Areas
  • Retinal Diseases and Treatments
  • Corneal surgery and disorders
  • Glaucoma and retinal disorders
  • Retinal Development and Disorders
  • Ophthalmology and Visual Impairment Studies
  • Retinal and Macular Surgery
  • Retinopathy of Prematurity Studies
  • Ocular Surface and Contact Lens
  • Retinal and Optic Conditions
  • Facial Trauma and Fracture Management
  • Head and Neck Surgical Oncology
  • Intraocular Surgery and Lenses
  • Neonatal Respiratory Health Research
  • Dental Radiography and Imaging
  • Corneal Surgery and Treatments
  • Neurosurgical Procedures and Complications
  • Traumatic Ocular and Foreign Body Injuries
  • Vascular Malformations Diagnosis and Treatment
  • Ocular Diseases and Behçet’s Syndrome
  • Retinal Imaging and Analysis
  • Ocular Disorders and Treatments
  • Multiple Sclerosis Research Studies
  • Neonatal Health and Biochemistry
  • Peripheral Neuropathies and Disorders
  • Orthodontics and Dentofacial Orthopedics

Medizinische Hochschule Hannover
2016-2025

Hochschule Hannover
2025

Ophthalmology Clinic
2021

Klinik und Poliklinik für Augenheilkunde Universitätsklinikum Regensburg
2012-2020

University Hospital Regensburg
2011-2017

University of Regensburg
2004-2012

University Medical Center
2012

Lohmann (Germany)
2008

Technical University of Munich
2008

Universitäts-Augenklinik Bonn
2005

Purpose: Stargardt disease (STGD1) is an autosomal recessive retinopathy, caused by mutations in the retina-specific ATP-binding cassette transporter (ABCA4) gene. To establish mutational spectrum and to assess effects of selected deep intronic common genetic variants on disease, we performed a comprehensive sequence analysis large cohort German STGD1 patients. Methods: DNA samples 335 patients were analyzed for ABCA4 its 50 coding exons adjacent sequences resequencing array technology or...

10.1167/iovs.16-19936 article EN cc-by-nc-nd Investigative Ophthalmology & Visual Science 2017-01-24

Objective: We report the case of a young woman with postinfectious onset myasthenia gravis after COVID-19 mild respiratory symptoms and anosmia/ageusia 1 month before admission to our neurological department. Methods: Patient data were derived from medical records Hannover Medical School, Germany. Written informed consent was obtained patient. Results: The 21-year-old female patient presented subacute, vertically shifted double vision evoked by right sided partial oculomotor paresis ptosis....

10.3389/fneur.2020.576153 article EN cc-by Frontiers in Neurology 2020-10-06
Sonja Eilts Johanna M. Pfeil Broder Poschkamp Tim U. Krohne Nicole Eter and 95 more Teresa Barth Rainer Guthoff Wolf A. Lagrèze Milena Grundel Marie‐Christine Bründer Martin Busch Jayashree Kalpathy‐Cramer Michael F. Chiang R.V. Paul Chan Aaron S. Coyner Susan Ostmo Nicole Eter Andreas Stahl Milena Grundel Johanna M. Pfeil Andreas Stahl Marie‐Christine Bründer Anima Bühler Moritz Claudius Daniel Susanne Felzmann Nicolai Gross Stefanie Horn Wolf A. Lagrèze Fanni Molnár Claudia Müller S. Reichl Charlotte Reiff Olga Richter Milena Stech Roland Hentschel Dimitria Stavropolou Juliane Tautz Kerstin Bartsch Jennifer Braunstein Ralf Brinken Christian Brinkmann J Czauderna Wiebke Dralle Martin Gliem Arno Goebel Philipp K. R. Heymer Martina Hofmann Frank G. Holz Tim U. Krohne David Kupitz Philipp L. Müller Michael Petrak Eva Janine Schmitz Steffen Schmitz‐Valckenberg Moritz Schröder Julia S. Steinberg Julia Supé Evelyn Kant Diana Kunze Andreas Müller Adeline Adorf Anne F. Alex Florian Alten Christoph R. Clemens Nicole Eter Silvia Falkenau Caroline Friedhoff Desiree Sandra Loos Nataša Mihailović Julia Termühlen Constantin E. Uhlig I Hörnig-Franz Esther Rieger‐Fackeldey Maria Tekaat Claudius Werner Mathias Altmann Teresa Barth Christiane Blecha Sabine Brandl-Rühle Horst Helbig Karsten Hufendiek Herbert Jägle Julia Konrad Eva Kopetzky Fabian Lehmann Isabel Oberacher-Velten Annette Keller-Wackerbauer Jochen Kittel Hugo Segerer Phillip Ackermann Jemina Benga Rainer Guthoff Tanja Guthoff Elena Kleinert Ertan Mayatepek Stefan Schrader Magdalena Völker Thomas Höhn Klaus Lohmeier Hemmen Sabir

Importance One of the biggest challenges when using anti–vascular endothelial growth factor (VEGF) agents to treat retinopathy prematurity (ROP) is need perform long-term follow-up examinations identify eyes at risk ROP reactivation requiring retreatment. Objective To evaluate whether an artificial intelligence (AI)–based vascular severity score (VSS) can be used analyze regression and after anti-VEGF treatment potentially Design, Setting, Participants This prognostic study was a secondary...

10.1001/jamanetworkopen.2022.51512 article EN cc-by-nc-nd JAMA Network Open 2023-01-19

Leber congenital amaurosis caused by mutations in the RPE65 gene belongs to most severe early-onset hereditary childhood retinopathies naturally progressing legal blindness. The novel therapy voretigene neparvovec is first approved causative treatment option for this devastating eye disease and specifically designed treat RPE65-mediated retinal dystrophies. Herein, we present a follow-up of youngest treated patients Germany so far, including four pre-school children who received with at...

10.3390/biomedicines11010103 article EN cc-by Biomedicines 2022-12-30

Patients with age-related macular degeneration (AMD) are reliant on their peripheral visual field. Oculomotor training can help them to find the best area intact retina and efficiently stabilize eccentric fixation. In this study, nine patients AMD were trained over a period of 6 months using oculomotor protocols improve fixation stability. They followed an additional months, where they completed auditory memory as sham training. cross-over design five started four Seven healthy age-matched...

10.3389/fpsyg.2013.00428 article EN cc-by Frontiers in Psychology 2013-01-01

Challenges in practice-oriented teaching at university clinics are increasing. A lack of resources contrasts a growing number students. Digital lectures, seminars, and blended-learning concepts enable resource-efficient effective ophthalmology. To implement evaluate digital concept combining bedside the Department Ophthalmology Hannover Medical School (MHH). Following National Competence-Based Learning Objectives Catalogue for Medicine (NKLM), theoretical units were combined with practical...

10.1007/s00347-024-02170-x article EN cc-by Deleted Journal 2025-01-15

Abstract Inherited retinal dystrophies (IRDs) and inherited optic neuropathies (IONs) are characterized by distinct genetic causes molecular mechanisms that can lead to varying degrees of visual impairment. The discovery pathogenic variants in numerous genes associated with these conditions has deepened our understanding the pathways influence both vision disease manifestation may ultimately novel therapeutic approaches. Over past 18 years, DNA diagnostics unit been performing testing on...

10.1038/s41598-024-77014-4 article EN cc-by Scientific Reports 2024-10-26

Contemporary advances in technology have allowed the transfer of knowledge from industrial laser melting systems to surgery; such an approach could increase degree accuracy orbital restoration. The aim this study was examine selective melted PSIs (patient-specific implants) and navigation primary reconstruction. Ninety-six patients with fractures were included study. Planned vs. achieved volumes (a) angles (b) compared unaffected side (n = 96). analysis overlay post-treatment on planned...

10.3390/jcm11123361 article EN Journal of Clinical Medicine 2022-06-11

Retinal microvasculature is known to be altered in patients with Fabry disease (FD). We aimed investigate the long-term changes macular and explore a reliable retinal biomarker for treatment monitoring FD. Prospective study of 26 eyes FD followed up 48 months (mean 24, range 8–48). OCT angiography (OCTA) images (2.9 × 2.9 mm) were obtained using Heidelberg Spectralis II at baseline follow-up. Macular vessel area density (VAD, %) was measured three layers: superficial vascular plexus (SVP),...

10.1007/s40123-023-00776-z article EN cc-by-nc Ophthalmology and Therapy 2023-08-05

This study presents a case-control of 33 patients who underwent secondary orbital reconstruction, evaluating techniques and outcome.Adequate functional aesthetical appearance are main goals for reconstruction. Insufficient premorbid reconstruction can result in hypoglobus, enophthalmos, diplopia. Computer-assisted surgery the use patient-specific implants (PSIs) is widely described literature. The authors evaluate selective laser-melted PSIs hypothesize that an excellent option...

10.1177/1943387520935004 article EN Craniomaxillofacial Trauma & Reconstruction 2020-07-09

Inherited retinal diseases can result from various genetic defects and are one of the leading causes for blindness in working-age population. The present study aims to provide a comprehensive description changes structure associated with phenotypic disease entities underlying mutations. Full macular spectral domain optical coherence tomography scans were obtained manually segmented 16 patients retinitis pigmentosa, 7 cone−rod dystrophy, Stargardt disease, as well 23 age- sex-matched controls...

10.3390/ijms232416007 article EN International Journal of Molecular Sciences 2022-12-16

Abstract Purpose The German Retina.net ROP registry and its Europe‐wide successor, the EU‐ROP registry, collect data from patients treated for ROP. This analysis compares input parameters of these two registries to establish a procedure joint analyses different using exemplary datasets registries. Methods Exemplary databases over 1‐year period each (German Registry, 2011, 22 infants; 2021, 44 infants) were compared. documented in aligned analysed regarding demographic parameters, treatment...

10.1111/aos.15753 article EN cc-by-nc Acta Ophthalmologica 2023-09-19

Autosomal recessive bestrophinopathy (ARB) has been reported as clinically heterogeneous. Eighteen patients (mean age: 22.5 years; 15 unrelated families) underwent ophthalmological examination, fundus photography, autofluorescence, and optical coherence tomography (OCT). Molecular genetic testing of the BEST1 gene was conducted by chain-terminating dideoxynucleotide Sanger methodology. Onset symptoms (3 to 50 years age) best-corrected visual acuity (0.02–1.0) were highly variable....

10.3390/ijms21249353 article EN International Journal of Molecular Sciences 2020-12-08

Abstract A primary skeletal muscle cell culture, in which myoblasts derived from newborn rabbit hindlimb muscles grow on gelatin bead microcarriers suspension and differentiate into myotubes, has been established previously. In the course of differentiation beginning spontaneous contractions, these multinucleated myotubes do not detach their support. Here, we describe development with respect to ultrastructural differentiation. Scanning electron microscopy reveals that only around surface...

10.1002/cbin.10565 article EN Cell Biology International 2015-11-26

Proper treatment of the two-wall fractured orbit is still controversial. Specifically, there no consensus on issue necessity medial orbital wall repair. With anatomically critical structures at risk during surgical approach, surgeons' view repair often restricted and an aesthetically disturbing enophthalmos more likely to be accepted. Therefore, options range from leaving without reconstruction with autogenous tissue or alloplastic materials, which can lead moderate severe side effects....

10.3390/jpm12091389 article EN Journal of Personalized Medicine 2022-08-27

The goal of this study was to evaluate macular microvascular changes in patients with Fabry disease (FD) using optical coherence tomography angiography (OCTA) and explore their correlation laboratory ocular findings.A total 76 eyes (38 patients) 48 24 healthy controls were enrolled prospective study. Vessel Area Density (VAD) Foveal Avascular Zone (FAZ) area calculated on 2.9 × mm OCTA images scanned the Heidelberg Spectralis II (Heidelberg, Germany). VAD measured three layers: Superficial...

10.1186/s13023-023-02932-x article EN cc-by Orphanet Journal of Rare Diseases 2023-10-08
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