2011
DOI: 10.4103/0970-0358.90812
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Calvarial reconstruction using high-density porous polyethylene cranial hemispheres

Abstract: Aims:Cranial vault reconstruction can be performed with a variety of autologous or alloplastic materials. We describe our experience using high-density porous polyethylene (HDPE) cranial hemisphere for cosmetic and functional restoration of skull defects. The porous nature of the implant allows soft tissue ingrowth, which decreases the incidence of infection. Hence, it can be used in proximity to paranasal sinuses and where previous alloplastic cranioplasties have failed due to implant infection.Materials and … Show more

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Cited by 18 publications
(14 citation statements)
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“…The skull bone has to be reconstructed to improve the functional and cosmetic outcome, correlating with the subsequent quality of life [ 1 3 ]. Since successful spontaneous healing only occurs in infants younger than two years, a variety of materials have been proposed to repair such defects, including autologous or allogeneic bone grafts, alloplastic materials, and tissue engineered bone scaffolds optionally seeded with cells or growth factors [ 2 , 4 ]. Autologous bone grafts are the gold standard, but their clinical use is limited by donor site morbidity, availability, additional surgery, bone resorption at the recipient site, and difficulties with three-dimensional contouring [ 3 , 4 ].…”
Section: Introductionmentioning
confidence: 99%
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“…The skull bone has to be reconstructed to improve the functional and cosmetic outcome, correlating with the subsequent quality of life [ 1 3 ]. Since successful spontaneous healing only occurs in infants younger than two years, a variety of materials have been proposed to repair such defects, including autologous or allogeneic bone grafts, alloplastic materials, and tissue engineered bone scaffolds optionally seeded with cells or growth factors [ 2 , 4 ]. Autologous bone grafts are the gold standard, but their clinical use is limited by donor site morbidity, availability, additional surgery, bone resorption at the recipient site, and difficulties with three-dimensional contouring [ 3 , 4 ].…”
Section: Introductionmentioning
confidence: 99%
“…Foreign body reactions, stress shielding, and long term problems like infections, bone resorption, wound dehiscence, sunken bone flap, hematoma, and intraoperative hemodynamic instability are further issues [ 3 ]. The large amount of methods reflects that each technique has its own advantages and disadvantages as well as the need for new and improved treatment options [ 2 ].…”
Section: Introductionmentioning
confidence: 99%
“…For example, composites of HDPE with hydroxyapatite [ 17 ] or tricalcium phosphate [ 18 ] have been developed for the construction of bone replacements, composites of HDPE with graphite for the construction of joint replacements [ 19 ], and copolymers of HDPE with hyaluronan for the reconstruction of osteochondral defects [ 20 ]. HDPE was also clinically applied for calvarial reconstruction [ 21 ]. LDPE is used for producing intravascular catheters for arteriography and angioplasty, due to its advantageous mechanical properties, such as elasticity and flexibility [ 22 ].…”
Section: Introductionmentioning
confidence: 99%
“…Being mouldable is not against the fact that HDPP implant can withstand forces and provide protection to the intracranial structures. The reconstruction of large size cranial defects is safe using HDPP implant but reports in literature were limited 17–19 . the forces needed to disrupt HDPP is 75% of the needed forces to disrupt calvarial virgin bone and can withstand forces more than the autogenous bone grafts 20 …”
Section: Discussionmentioning
confidence: 99%
“…The reconstruction of large size cranial defects is safe using HDPP implant but reports in literature were limited. [17][18][19] the forces needed to disrupt HDPP is 75% of the needed forces to disrupt calvarial virgin bone and can withstand forces more than the autogenous bone grafts. 20 In cranioplasties and other sites of bone healing processes, the senior author implemented the concept of guided bone regeneration with significant improvement of bone healing.…”
Section: Discussionmentioning
confidence: 99%