Naderi Naghmeh, Joji Nikita, Venantius Kang Norbert
Plastic Surgery Department, Royal Free London NHS Foundation Trust, London, UK.
Plast Reconstr Surg Glob Open. 2020 Oct 29;8(10):e3152. doi: 10.1097/GOX.0000000000003152. eCollection 2020 Oct.
In hypospadias repairs, there is some evidence to suggest that a "waterproofing" layer can be helpful in reducing the risk of urethrocutaneous fistula formation. The most likely role of this layer is to prevent the creation of overlapping suture lines. Many hypospadias surgeons use a dartos fascia interposition flap for this purpose. However, raising a dartos fascia flap adds time to the procedure, can result in devascularization of the overlying skin, and can create unsightly torsion of the penis, which may be hard to correct. To avoid these problems, the senior author has started to use dCELL (decellularized human dermis) as an alternative to dartos fascia to separate the suture lines.
Between March and July 2018, a pilot study was performed in 8 patients undergoing closure of a urethrocutaneous fistula or glans dehiscence combined with dCELL. Data on infections, wound breakdown, length of stay and catheterization, surgical time, and hospital stay were collected.
All patients had a successful reconstruction. One patient developed a urinary tract infection, possibly related to prolonged catheterization following his repair.
Our results suggest that dCELL may be useful in the repair of urethrocutaneous fistulas and glans dehiscence after hypospadias surgery.
在尿道下裂修复术中,有证据表明“防水”层有助于降低尿道皮肤瘘形成的风险。该层最可能的作用是防止形成重叠的缝合线。许多尿道下裂外科医生为此使用肉膜肌筋膜插入皮瓣。然而,掀起肉膜肌筋膜皮瓣会增加手术时间,可能导致覆盖皮肤的血管化受损,并可能导致阴茎出现难看的扭转,可能难以纠正。为避免这些问题,资深作者已开始使用脱细胞人真皮(dCELL)替代肉膜肌筋膜来分离缝合线。
2018年3月至7月,对8例接受尿道皮肤瘘闭合或龟头裂开修复并联合使用dCELL的患者进行了一项试点研究。收集了有关感染、伤口裂开、留置导尿时间、手术时间和住院时间的数据。
所有患者均成功重建。1例患者发生尿路感染,可能与修复术后长时间留置导尿有关。
我们的结果表明,dCELL可能有助于尿道下裂手术后尿道皮肤瘘和龟头裂开的修复。