1. "Intraoperative hybrid stenting of recurrent coarctation and arch hypoplasia with large stents in patients with univentricular hearts". (1st February 2016) Authors: Haas, Nikolaus A.; Happel, Christoph M.; Blanz, Ute; Laser, Kai Thorsten; Kantzis, Marinos; Kececioglu, Deniz; Sandica, Eugen Journal: International journal of cardiology Issue: Volume 204(2016) Page Start: 156 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A word of caution: diabolic behaviour of AndraStents®: inflation of supporting balloon leads to "diabolo"-misconfiguration of the stent. (20th June 2019) Authors: Happel, Christoph M.; Zunzunegui Martínez, Jose L.; del Cerro, María Jesús; Schranz, Dietmar; Khalil, Markus; Ballesteros, Fernando; Pardeiro, César Abelleira; Bertram, Harald; Beerbaum, Philipp; Haas, Nikolaus A. Journal: Cardiology in the young Issue: Volume 29:Number 7(2019) Page Start: 972 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Closure of Secundum Atrial Septal Defects by Using the Occlutech Occluder Devices in More Than 1300 Patients: The IRFACODE Project: A Retrospective Case Series. Issue 4 (31st March 2016) Authors: Haas, Nikolaus A.; Soetemann, Dagmar B.; Ates, Ismail; Baspinar, Osman; Ditkivskyy, Igor; Duke, Christopher; Godart, Francois; Lorber, Avraham; Oliveira, Edmundo; Onorato, Eustaquio; Pac, Feyza; Promphan, Worakan; Riede, Frank‐Thomas; Roymanee, Supaporn; Sabiniewicz, Robert; Shebani, Suhair Omar;... Journal: Catheterization and cardiovascular interventions Issue: Volume 88:Issue 4(2016) Page Start: 571 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Closure of very large PDA with pulmonary hypertension: Initial clinical case‐series with the new Occlutech® PDA occluder. Issue 4 (10th November 2016) Authors: Lehner, Anja; Ulrich, Sarah; Happel, Christoph M.; Fischer, Marcus; Kantzis, Marinos; Schulze‐Neick, Ingram; Haas, Nikolaus A. Journal: Catheterization and cardiovascular interventions Issue: Volume 89:Issue 4(2017) Page Start: 718 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Decompressive atrioseptostomy (DAS) for the treatment of severe pulmonary hypertension secondary to restrictive cardiomyopathy. (15th January 2016) Authors: Haas, Nikolaus A.; Laser, Kai Thorsten; Bach, Sissi; Kantzis, Marinos; Happel, Christoph M.; Fischer, Marcus Journal: International journal of cardiology Issue: Volume 203(2016) Page Start: 845 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. First in man closure of a fenestrated ventricular septal defect (VSD) with a new paravalvular leak device (Occlutech® PLD). (15th December 2015) Authors: Haas, Nikolaus A.; Kock, Laura; Happel, Christoph M.; Kececioglu, Deniz; Kantzis, Marinos; Laser, Kai Thorsten Journal: International journal of cardiology Issue: Volume 201(2015) Page Start: 137 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. First-in-child use of the oral soluble guanylate cyclase stimulator riociguat in pulmonary arterial hypertension. (December 2017) Authors: Spreemann, Till; Bertram, Harald; Happel, Christoph M.; Kozlik-Feldmann, Rainer; Hansmann, Georg Journal: Pulmonary circulation Issue: Volume 8:Number 1(2018) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. First‐in‐child use of the oral soluble guanylate cyclase stimulator riociguat in pulmonary arterial hypertension. (1st December 2017) Authors: Spreemann, Till; Bertram, Harald; Happel, Christoph M.; Kozlik‐Feldmann, Rainer; Hansmann, Georg Journal: Pulmonary circulation Issue: Volume 8:Number 1(2018) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Implantation of the new Nit‐Occlud PDA‐R device in children below 10 kilogram. Issue 7 (24th March 2015) Authors: Moysich, Axel; Happel, Christoph M.; Laser, Kai T.; Kececioglu, Deniz; Haas, Nikolaus A. Journal: Catheterization and cardiovascular interventions Issue: Volume 85:Issue 7(2015:Jun. 01) Page Start: 1203 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Is mesocardia with left-sided caval vein draining to coronary sinus a contraindication for a percutaneous pulmonary valve implantation? A case description. (4th October 2017) Authors: Kantzis, Marinos; Happel, Christoph M.; Haas, Nikolaus A. Journal: Cardiology in the young Issue: Volume 28:Number 2(2018) Page Start: 229 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗