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使用未烧结羟基磷灰石颗粒/聚左旋乳酸复合植入物进行眶内侧壁重建。

Medial Wall Orbital Reconstruction using Unsintered Hydroxyapatite Particles/Poly L-Lactide Composite Implants.

作者信息

Park Hojin, Kim Hyon-Surk, Lee Byung-Il

机构信息

Department of Plastic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.

出版信息

Arch Craniofac Surg. 2015 Dec;16(3):125-130. doi: 10.7181/acfs.2015.16.3.125. Epub 2015 Dec 9.

DOI:10.7181/acfs.2015.16.3.125
PMID:28913237
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5556781/
Abstract

BACKGROUND

Poly-L-lactide materials combined with hydroxyapatite (u-HA /PLLA) have been developed to overcome the drawbacks of absorbable materials, such as radiolucency and comparably less implant strength. This study was designed to evaluate the usefulness of u-HA/PLLA material in the repair of orbital medial wall defects.

METHODS

This study included 10 patients with pure medial wall blow-out fractures. The plain radiographs were taken preoperatively, immediately after, and 2 months after surgery. The computed tomography scans were performed preoperatively and 2 months after surgery. Patients were evaluated for ease of manipulation, implant immobility, rigidity and complications with radiologic studies.

RESULTS

None of the patients had postoperative complications, such as infection or enophthalmos. The u-HA/PLLA implants had adequate rigidity, durability, and stable position on follow-up radiographic studies. On average, implants were thawed 3.4 times and required 14 minutes of handling time.

CONCLUSION

The u-HA/PLLA implants are safe and reliable for reconstruction of orbital medial wall in terms of rigidity, immobility, radiopacity, and cost-effectiveness. These thin yet rigid implants can be useful where wide periosteal dissection is difficult due to defect location or size. Since the u-HA/PLLA material is difficult to manipulate, these implants are not suitable for use in complex 3-dimensional defects.

摘要

背景

聚-L-丙交酯材料与羟基磷灰石相结合（u-HA/PLLA）已被研发出来，以克服可吸收材料的缺点，如射线可透性和相对较低的植入强度。本研究旨在评估u-HA/PLLA材料在修复眶内侧壁缺损中的实用性。

方法

本研究纳入了10例单纯内侧壁爆裂性骨折患者。术前、术后即刻及术后2个月拍摄X线平片。术前及术后2个月进行计算机断层扫描。通过影像学研究评估患者在操作便利性、植入物固定性、刚性及并发症方面的情况。

结果

所有患者均无术后并发症，如感染或眼球内陷。在随访影像学研究中，u-HA/PLLA植入物具有足够的刚性、耐用性及稳定的位置。平均而言，植入物解冻3.4次，所需操作时间为14分钟。

结论

就刚性、固定性、不透射线性及成本效益而言，u-HA/PLLA植入物在眶内侧壁重建中是安全可靠的。由于缺损位置或大小的原因，在难以进行广泛骨膜剥离的情况下，这些薄而刚性的植入物可能会很有用。由于u-HA/PLLA材料难以操作，这些植入物不适合用于复杂的三维缺损。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/5fd423d0632d/acfs-16-125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/34073fbb5837/acfs-16-125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/366c26a8058d/acfs-16-125-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/5fd423d0632d/acfs-16-125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/34073fbb5837/acfs-16-125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/366c26a8058d/acfs-16-125-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/5556781/5fd423d0632d/acfs-16-125-g003.jpg

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