Oriental Nose Elongation Using an L-Shaped Polyethylene Sheet Implant for Combined Septal Spreading and Extension

Zhou, Jia; Huang, Xiaolu; Zheng, Duo; Li, Haizhou; Herrler, Tanja; Li, Qingfeng

doi:10.1007/s00266-014-0299-1

Cited by 26 publications

(15 citation statements)

References 22 publications

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“…In a previous study for nasal reconstruction, the most common anatomical deformities were alar cartilage malposition (50%), followed by a depressed nasal tip, indicating that nasal tip correction such as tip reshape and projection would be a considerable portion of nasal reconstruction. However, alloplastic implants on the nasal tip may cause complications such as skin thinning and ulceration due to excessive local mechanical pressure . For this reason, many surgeons tend to prefer autologous cartilage with donor sites from the nasal septum as the material for tip implants .…”

Section: Discussionmentioning

confidence: 99%

“…For this reason, many surgeons tend to prefer autologous cartilage with donor sites from the nasal septum as the material for tip implants . However, harvesting of cartilage from the nasal septum would weaken the supporting structure of the nose, allowing for an ironic collapse due to mechanical loading from skin and soft tissue with time . Consequently, a clinical need exists to develop tissue engineering for cartilage regeneration or a new type of allograft material that can avoid the complications related to the current allografts and provide for nasal reconstruction without difficulty.…”

Section: Discussionmentioning

confidence: 99%

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New application of three‐dimensional printing biomaterial in nasal reconstruction

et al. 2017

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

New application of three‐dimensional printing biomaterial in nasal reconstruction

et al. 2017

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“…Temptations to close skin tightly or defat the tip may perpetuate implant exposure and visibility in the short and long term. 21,22 The choice of alloplastic 5,11,13 versus autologous tissue in tip modulation and nasal lengthening is surgeon dependent; we prefer autologous tissue for its engraftment potential and lesser extrusion and infection risks. Unfortunately, scarce resources challenge patient and surgeon goals in this context.…”

Section: Discussionmentioning

confidence: 99%

An Economical Approach to Ethnic Asian Rhinoplasty

et al. 2016

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Septal cartilage is deficient in Asians seeking augmentation rhinoplasty. Economized utilization of resources is necessary for durable tip enhancement that complements a dorsal implant. We introduce a modified tongue-in-groove method designed to transmit forces across the dorsum, eliminating the need for robust caudal support and prioritizing nasal lengthening and tip projection. We aim to promote the roundness index parameter and demonstrate the feasibility of a novel method in the context of Asian rhinoplasty. Between 2012 and 2014, a total of 104 Taiwanese patients underwent rhinoplasty with dorsal augmentation and lengthening with a modified tongue-in-groove technique. The concept borrows from methods established by Byrd, Guyuron, and Toriumi but distinguished by exaggerated forward positioning of a septal extension graft. Paired extended spreader grafts obviate the need for a columellar strut. Soft-tissue changes were analyzed with photogrammetry. A new parameter, the roundness index, was measured. Tip projection, dorsal length, nasal height, alar and columellar length increased significantly after 5.5 months of follow-up. Nasal tip angle, roundness, columella-labial angle, and nostril axis inclination decreased. There were no statistically significant differences in the magnitude of change in patients followed for less than and greater than 6 months. The most common complication was new or persistent tip deviation in five cases (5%). This technique was designed for a nasal anatomy typified by deficient septal cartilage. Significant photogrammetric changes were maintained after 6 months. Economized tissue allocation, dorsal septal load sharing, and relative independence from caudal support are key features of this feasible method.

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“…As molecular weight increased, the material strength increased, but its elasticity decreased [47]. Porous HDPE has good elasticity, biocompatibility, and its anti-infective properties were strong enough to be used as the material in rhinoplasty surgery [48]. However, PE has a "plastic feel" when applied to the skin.…”

Section: A Polyethylene (Pe)mentioning

confidence: 99%

Evolution of Contraceptive Implants: A Review

2018

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Oral contraceptives are widely used hormonal contraceptives compared to other dosage forms. There are modifications of hormonal contraceptives dosage forms to reduce side effects and improve effectivity and compliance during contraceptive usage. The implantable drug delivery system is a suitable contraception technique for women who are difficult to recall the time of use, such as pills. The contraceptive implant is a small size of rod, and it is placed in the upper arm subcutaneously. Many advantages by using contraceptive implants, such as high effectivity, easy to use, free from estrogen influences, fast recovery of the normal ovulatory cycle, safe for breastfeeding women, and safer for women that have the certain medical condition. However, implant removal procedures are becoming the problem because it requires trained personnel. The unscheduled period is also one of the disadvantages of implants. Although for most women, the implant could reduce blood loss when the period, for some cases it could prolong the period of time. In this article, we reviewed implant contraceptives development due to its application increased rapidly in the last decade. The history of implants, advantages, and disadvantages, and marketed products of the implant were also described in this article. The challenges and opportunities of the contraceptive implant development were summarized based on literature. Designing in situ forming implant and polymeric implant for contraception could be the great future in contraceptive implant development. Finally, contraceptive implants are promising hormonal contraception dosage forms to develop in unintended pregnancies prevention over the world.

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Oriental Nose Elongation Using an L-Shaped Polyethylene Sheet Implant for Combined Septal Spreading and Extension

Cited by 26 publications

References 22 publications

New application of three‐dimensional printing biomaterial in nasal reconstruction

New application of three‐dimensional printing biomaterial in nasal reconstruction

An Economical Approach to Ethnic Asian Rhinoplasty

Evolution of Contraceptive Implants: A Review

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